JP4500893B2 - Non-woven fabric for sanitary sheets to suppress bacterial growth and method for producing the nonwoven fabric - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to a sanitary sheet using organic wasteNonwoven fabric forIn particular, sanitary sheets that can be used in sanitary products such as bedding auxiliary sheets, paper diapers, animal paper diapers, sanitary napkins, animal sanitary napkins, milk pads, sweat pads, incontinence pads, and animal sheetsNonwoven fabric forAnd a manufacturing method thereof.
  The present invention also relates to a disposable sanitary product that can be used for a long time and can maintain a sanitary condition, and in particular, auxiliary sheets for bedding, paper diapers, animal paper diapers, sanitary napkins, animal sanitary napkins, and milk pads. Disposable hygiene products that can be used in sweat pads, incontinence pads and animal sheetsNonwoven fabric forAnd a manufacturing method thereof.
[0002]
  Furthermore, the present invention relates to sanitary sheets used in sanitary products for humans or animals.Nonwoven fabric forIn particular, plastic waste materials, paper waste materials such as paper diaper waste materials, urine pad waste materials, sanitary napkin waste materials, animal paper diaper waste materials or animal sheet waste materials, or sanitary products using crushed materials of these waste materials, that is, auxiliary sheets for bedding, Sanitary sheets that can be used for paper diapers, animal paper diapers, sanitary napkins, animal sanitary napkins, milk pads, sweat pads, incontinence pads and animal sheetsNonwoven fabric forAbout. Furthermore, the present invention particularly relates to a disposable sanitary article for use at bedtime, rest time and excretion.Nonwoven fabric forAbout.
[0003]
[Prior art]
In general, sanitary sheets are used in sanitary sheets such as bedding auxiliary sheets, disposable diapers, sanitary napkins, milk pads, sweat pads, incontinence pads, and pet sheets. For example, auxiliary sheets for bedding are used on a bed or mattress to maintain the durability of the bed or futon and to keep the bed or futon clean.
Even during sleep, moisture other than sweat is constantly excreted outside from human skin, and these moisture is absorbed by the bed and nightclothes. It is required to have moderate hygroscopicity.
[0004]
[Problems to be solved by the invention]
However, in the case of auxiliary sheets for bedding made of cotton or the like, it is washed every time it is replaced. However, it is relatively bulky, and the degree of dirt is different, and the degree that it can be cleaned by washing is also different. Even with a washing machine or the like, it is difficult to clean as desired, and it takes a lot of trouble to do so.
[0005]
On the other hand, the residue of coffee liquid extraction from roasted coffee beans discharged from canned coffee and instant coffee manufacturing industry is enormous. However, the coffee extraction residue contains oil and fat, and also contains a considerable amount of residual liquid, so that it is difficult to use, and a part of the residual liquid is extracted from the extraction residue after the extraction residue is extracted. They are collected for exudation and processed by the activated sludge method or the like, and the remaining extraction residue is entirely incinerated.
Further, paper sanitary sheets such as a paper diaper and a sanitary napkin produce cutting scraps and defective products, and their treatment is a problem.
An object of the present invention is to solve the problems that require a lot of trouble when replacing conventional auxiliary sheets for bedding and the like, and to treat coffee liquid extraction residue and exudate from the residue.
[0006]
[Means for Solving the Problems]
  The present inventor found that the exudate from the coffee liquor extraction residue and the exudate from the tea leaves of oolong tea, which are discharged in large quantities during the production of canned coffee and instant coffee, are the growth of Pseudomonas aeruginosa, Staphylococcus aureus, Legionella and Streptococcus. Was found to inhibit the growth of Staphylococcus aureus, Legionella and Streptococcus over 72 hours, In addition, the present inventor has discovered that the exudate from tea husks of black tea inhibits the growth of Staphylococcus aureus and streptococci over 72 hours, and the leachate from the coffee liquor extraction residue, oolong tea from the tea husks Sheets that were impregnated with exudate, exudate from tea leaves of green tea, or exudate from tea leaves of tea, and then dried were all Pseudomonas aeruginosa, Staphylococcus aureus, Legionella and Streptococcus Growth discovered that inhibition for over 72 hours, leading to the present invention.
  In the present invention, a coffee liquid extraction residue and / or a re-extracted coffee liquid and / or tea extracted from tea husk is impregnated in a water-absorbing paper layer and / or a mixed layer of water-absorbing resin and water-absorbing material powder. Hygienically superior hygiene sheets obtained by dryingNonwoven fabric forAnd a method for producing the same, and an inexpensive disposable sanitary sheet that can utilize a coffee liquid extraction residue and tea leavesNonwoven fabric forAnd an object of the present invention is to provide a manufacturing method thereof.
[0007]
  That is, the present invention provides a nonwoven fabric., Contained in coffee liquid extraction residueCoffee liquid extraction residual waste liquidDry matterAnd a coffee liquid extraction residue obtained by leaching the coffee liquid extraction residue with room temperature water having a weight of 10 times or less of the coffee liquid extraction or heated water having a temperature higher than room temperature.ResidueThe present invention provides a non-woven fabric for sanitary sheets that suppresses bacterial growth, characterized by containing a dried product of a leachate, and the present invention relates to drying of a coffee solution extraction residual waste solution contained in a coffee solution extraction residue in the nonwoven fabric. Coffee liquid extraction residueResidueExtraction residue of coffee liquid obtained by leaching with 10 times or less of normal temperature water or heated water of normal temperature or higherResidueThe present invention provides a nonwoven fabric for sanitary sheets that suppresses bacterial growth, characterized by containing a dried product of a leachate and a dried product of a tea extraction residual waste solution contained in a tea shell. Dried product of residual liquid waste from coffee liquid extraction contained in residue,Tea extraction residual waste liquid contained in tea leavesDry matterAnd tea obtained by leaching the tea husk with room temperature water having a weight of 10 times or less of the tea husk or heated water at a temperature of room temperature or moreShellThe present invention provides a non-woven fabric for sanitary sheets that suppresses bacterial growth, characterized by containing a dried product of a leachate, and the present invention also provides a coffee solution extraction residual waste solution contained in a coffee solution extraction residue in the non-woven fabric.Dry matter,Dried product of coffee liquor extraction residue obtained by leaching the coffee liquor extraction residue with room temperature water of 10 times weight or less with respect to coffee liquor extraction or heated water at room temperature or higher,Tea obtained by leaching dry tea residue and tea husk contained in tea husk with room-temperature water having a weight of 10 times or less of tea husk or heated water at a temperature higher than room temperatureShellIt is in the nonwoven fabric for sanitary sheets which suppresses the proliferation of the bacteria characterized by including the dried material of a leachate.In the present invention, the nonwoven fabric is made of plastic fiber, plastic fiber waste material, rayon fiber, rayon fiber waste material, pulp, pulp waste material, polyamide fiber, polyamide fiber waste material, polyester fiber or polyester fiber waste material. It can be. In the present invention, the tea husk may be green tea husk, oolong tea husk or black tea husk or two or more tea husks.
[0008]
  And this invention is a coffee liquid extraction residue.Separated fromIt was obtained by leaching the coffee liquid residual waste liquid and the coffee liquid extraction residue containing the coffee liquid residual waste liquid with room temperature water of 10 times or less by weight relative to the coffee liquid extraction residue or with heated water heated to a temperature higher than normal temperature. Coffee liquid extraction residueResidueExudate,SeparatelyAlternatively, the present invention is a method for producing a nonwoven fabric for sanitary sheets that suppresses bacterial growth, characterized in that the nonwoven fabric to which the liquid is adhered is dried by mixing and adhering to the nonwoven fabric. A brewing solution for the extracted residue obtained by leaching the contained coffee liquor extraction residue with room temperature water or heated water heated to a temperature higher than room temperature by 10 times or less with respect to the coffee liquor extraction residue; Tea brewed by leaching tea-containing tea husks with room temperature water that is 10 times or less by weight of the tea husk or heated water heated to a temperature higher than room temperatureShellThe leachate,SeparatelyOr, it is mixed and adhered to the nonwoven fabric, and the nonwoven fabric to which these liquids adhere is dried. The method for producing a nonwoven fabric for sanitary sheets that suppresses bacterial growth, and the present invention further comprises a coffee liquid extraction residueSeparated fromIt was obtained by leaching with coffee water residual waste liquid and coffee liquid extraction residue containing coffee liquid residual waste liquid with room temperature water of 10 times or less by weight or heated water heated to a temperature higher than normal temperature.Coffee liquorExtraction residueResidueTea obtained by leaching with leachate and tea water containing tea residual waste liquor at room temperature water of 10 times or less by weight or heated water heated to a temperature higher than room temperatureShellThe leachate,SeparatelyAlternatively, the present invention provides a method for producing a nonwoven fabric for sanitary sheets that suppresses bacterial growth, characterized in that the nonwoven fabric to which these liquids adhere is dried by mixing and adhering to the nonwoven fabric. ResidueSeparated fromIt was obtained by leaching with coffee water residual waste liquid and coffee liquid extraction residue containing coffee liquid residual waste liquid with room temperature water of 10 times or less by weight or heated water heated to a temperature higher than normal temperature.Coffee liquorExtraction residueResidueLeachate and tea leavesSeparated fromTea obtained by leaching with tea residual waste liquid and tea water containing tea residual waste liquid with room temperature water of 10 times or less by weight or heated water heated to a temperature higher than room temperatureShellThe leachate,SeparatelyOr it is in the manufacturing method of the nonwoven fabric for sanitary sheets which suppresses the proliferation of the bacteria characterized by mixing and making it adhere to a nonwoven fabric and drying the nonwoven fabric to which these liquids adhered. In the present invention, the nonwoven fabric is made of plastic fiber, plastic fiber waste material, rayon fiber, rayon fiber waste material, pulp, pulp waste material, polyamide fiber, polyamide fiber waste material, polyester fiber or polyester fiber waste material. It can be. In the present invention, the leaching liquid for the coffee liquid extraction residue containing the coffee liquid residual waste liquid may have a zinc content of 5 μg or more in 1 liter of the brewing liquid. Furthermore, in the present invention, teaShell, Green tea husk, oolong tea husk or black tea husk or two or more tea husks.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
  The sanitary sheets of the present invention can be used for sanitary products such as auxiliary sheets for bedding, paper diapers, animal paper diapers, sanitary napkins, animal sanitary napkins, milk pads, sweat pads, incontinence pads and animal sheets. Therefore, it can be used while maintaining good hygiene.
In the present invention and the description of the present specification, the term tea means green tea, oolong tea or black tea, or two or more of these teas, and the term tea leaves means green tea leaves containing green tea residual waste liquid, residual oolong tea. It means tea husk containing oolong tea containing waste liquid, tea husk containing black tea residual waste liquid, or tea husk containing residual waste liquid of two or more teas.
  In addition, the sanitary sheets of the present inventionNonwoven fabric forSanitary sheets that can be used for sanitary products such as bedding auxiliary sheets, paper diapers, animal paper diapers, sanitary napkins, animal sanitary napkins, milk pads, sweat pads, incontinence pads and animal sheetsNonwoven fabric forInThe In the present invention, sanitary sheets areCombustible organic waste suitable for disposable use, such as plastic waste, paper waste, paper diaper waste, urine pad waste, sanitary napkin waste, animal paper diaper waste, animal use, etc. The sheet waste material, the paper napkin waste material, and the pulverized product of one or more waste materials can be used as raw materials and can be manufactured at low cost.
[0010]
  Furthermore, in the present inventionLeaveSanitary sheets are formed with a water-permeable nonwoven fabric layer on the upper surface and a plastic water-impermeable film on the lower surface, and a water-absorbing mixed layer between the upper and lower water-absorbent paper layers. A disposable paper diaper, animal paper diaper, sanitary napkin, animal sanitary napkin, milk pad, sweat pad, incontinence pad, and animal sheets can be formed. In the present invention, the animal sheets are used for excretion as in the case of conventional animal sheets, but can also be used for rest and sleeping.
  In the present invention, when the sanitary sheet is a paper diaper, an animal paper diaper, a sanitary napkin, an animal sanitary napkin, a milk pad, a sweat pad and an animal sheet, the non-woven fabric layer portion on the upper surface thereof is, for example, a rayon Pulp, plastic-containing pulp, polypropylene resin, polyethylene resin, nylon resin, vinylon resin, etc. can be formed of non-woven fabric made of plastic fiber or rayon fiber, and the water-impermeable membrane part on the lower surface is made of polyethylene resin, polypropylene resin, etc. It can be formed of a water-impermeable film made of plastic. In the present invention, a water-absorbent first paper layer portion can be provided under the nonwoven fabric layer portion in contact with the lower surface thereof.
[0011]
In the present invention, the first and second water-absorbing paper layer portions are formed of sanitary paper such as tissue paper, dust paper, toilet paper, paper diapers, sanitary napkins, sanitary paper used for tampons, towel paper, etc. It is preferable to use sanitary paper that is processed or not creped because good water absorption can be secured.
In the present invention, a water-absorbing mixed layer part containing the superabsorbent resin and the water-absorbing material powder as a mixture or not as a mixture can be provided in contact with the lower surface of the water-absorbing first paper layer part. . In this water-absorbing mixed layer portion, a so-called polymer sheet in which a highly water-absorbing resin is held between cotton-like pulp layers and water-absorbing paper is provided on both front and back surfaces can be used. Superabsorbent fibers can be used, for example, as a nonwoven fabric in place of the resin structure.
[0012]
In the present invention, for example, waste paper diaper material is pulverized so as to become, for example, a paper diaper pulverized product having a particle size of 100 mm or less, or the paper diaper pulverized product. A classified product containing a water-absorbing resin in various proportions can be used as a raw material for the water-absorbing mixed layer portion.
Waste diaper pulverized materials contain polyethylene, polypropylene, rayon, synthetic rubber materials, etc. These materials are found to exhibit water retention when used as pulverized materials of 5 mm or less, preferably 3 mm or less. It was. When a polymer sheet is used, the polymer sheet is provided with paper layer portions above and below the highly water-absorbent resin layer. The water-absorbing second paper layer portion, that is, the second paper layer portion in contact with the upper surface of the paper layer portion and the water-impermeable film portion can be omitted.
[0013]
In the present invention, the term water-absorbing resin means a water-absorbing resin having a relatively low water-absorbing performance, a water-absorbing fiber having a relatively low water-absorbing performance, a highly water-absorbing resin having a high water-absorbing performance, or a highly water-absorbing fiber having a high water-absorbing performance. To do. However, it is preferable to use a material having high water absorption because the amount used can be reduced. In the case of a water-absorbing fiber and a highly water-absorbing fiber, they are used after being cut or crushed into appropriate dimensions.
In the present invention, the water-absorbing material has a relatively high water-absorbing property, such as pulverized wood pulp such as mechanical pulp, chemical pulp, and semi-chemical pulp, pulverized chemical fiber, pulverized waste paper pulp, and wood powder. , Paper powder, diaper waste pulverized material, titanium paper, crushed waste paper such as punch waste, or a mixture of two or more thereof. These water-absorbing materials preferably have a particle size of 5 mm or less, preferably 3 mm or less.
[0014]
In the present invention, paper dust is powdered paper or powdered paper containing a water-absorbing resin, and is generated in, for example, paper powder generated during bookbinding, paper powder generated during the manufacture of paper nonwoven fabric, and papermaking processes. Paper powder and paper powder containing dust collection loss from paper diaper factories, etc., and paper powder containing highly water-absorbing resin that scatters when sanitary materials such as paper diapers, sanitary napkins, milk pads, urine pads or sweat pads are manufactured. Means.
When adding a pulverized product of wood powder and punch waste to wood pulp, the amount of the pulverized product of wood powder and punch waste is 3 to 20% by weight or less, preferably 3 to 10% by weight or less of the wood pulp. . In the present invention, a water-absorbing material layer portion can be provided in contact with the lower surface of the mixed layer portion, and a second water-absorbing paper layer portion can be provided in contact with the lower surface of the wood pulp layer portion. it can.
[0015]
In the present invention, in order to avoid the growth of bacteria such as green-rich bacteria, streptococci, Staphylococcus aureus, Legionella bacteria, Potulinus, etc., the roasted coffee beans are extracted from the residual liquid liquor or roasted containing the extracted residual liquid The leachate of the coffee bean extraction residue of coffee beans is attached or impregnated at least on the nonwoven fabric layer part by printing, coating or dipping. In the present invention, the non-woven fabric layer portion is formed of at least one non-woven fabric containing a coffee liquid extraction residual waste liquid of roasted coffee beans or a leachate of coffee liquid extraction residue of roasted coffee beans containing the extraction residual waste liquid. Can do.
The coffee liquid extraction residual waste liquid of roasted coffee beans used in the present invention or the coffee liquid extraction residue containing the extraction residual waste liquid is discharged as an extraction koji at the time of producing canned coffee or instant coffee. The coffee liquid extraction residual waste liquid is contained in the coffee liquid extraction residue, and is extracted from the extraction residue after extraction of the coffee liquid and in the process of leaching or filtration of the extraction residue. The coffee liquid extraction residue of the roasted coffee beans contains the residual liquid waste of the coffee liquid extraction as described above, and the coffee liquid extraction residue of the roasted coffee beans impregnated with the residual liquid waste of the coffee liquid extraction is converted into the coffee liquid. When leached with normal temperature water or heated water at a temperature equal to or higher than normal temperature at a weight of 10 times or less with respect to the extraction residue, the obtained leachate contains the residual liquid waste of the coffee liquid extraction, and is not added to the coffee liquid extraction residue. Contains the extract components dissolved.
[0016]
In the present invention, the tea extraction residual waste liquid and the tea liquor leaching liquid are the same as in the case of the coffee liquid, and the tea extraction residual waste liquid is contained in the tea husk. It is separated during the filtration process of the tea husk. The tea leaves thus contain the tea extraction residual waste liquid, and the tea leaves impregnated with the tea extraction residual waste liquid are heated at room temperature water or at a temperature equal to or higher than room temperature in a weight of 10 times or less of the tea shells. When leached with water, the obtained leachate contains dissolved tea residual waste liquid and contains unextracted components dissolved in the tea shell. For example, green tea, oolong tea or black tea can be leached with room temperature water or heated water at room temperature or higher, for example, 70 ° C. or higher, preferably 80 ° C. or higher.
[0017]
In the present invention, the leachate from the coffee liquid extraction residue of roasted coffee beans is 10 times or less, preferably 5 times or less of room temperature water or heated water at a temperature exceeding room temperature, relative to the coffee liquid extraction residue of roasted coffee beans. Leach to manufacture. It is preferable that the amount of zinc which is one of the coffee components in 1 liter of the leachate is 5 μg or more, preferably 7 μg or more.
In the present invention, the extraction residue leaching liquid containing the extraction residual waste liquid is, for example, about the leaching liquid for the coffee liquid extraction residue of roasted coffee beans containing the coffee liquid extraction residual waste liquid, or the tea husk containing the tea extraction residual waste liquid. Means leachate.
In the present invention, the nonwoven fabric layer portion is formed from a nonwoven fabric. The amount of the exudate applied to the nonwoven fabric is, for example, 4 to 6 liters of leachate per 500 m 2 of nonwoven fabric, preferably 4.5 to 5.5 liters. It is.
[0018]
In the present invention, the non-woven fabric layer portion of the sanitary sheet is attached with the brewed liquid from the extraction residue containing the coffee liquid extraction residual waste liquid or the coffee liquid extraction residual waste liquid. In the present invention, the coffee liquid extraction residue waste liquid or the coffee liquid extraction residue leachate adheres to the nonwoven fabric layer part by applying the extraction residual waste liquid or the leachate to the nonwoven fabric layer part by spraying, coating method, for example, using a roller. It is carried out by a method, a dipping method or the like, and means that the extracted residual waste liquid and / or leachate is adhered or contained in the nonwoven fabric layer part. In this case, the extracted residual waste liquid and / or leachate can be attached not only to the nonwoven fabric layer part but also to a water absorbent paper layer part composed of one or more water absorbent papers.
In the present invention, the water-permeable nonwoven fabric layer portion of the sanitary sheet is one or more kinds of brewed liquid from the coffee liquid extraction residue containing the coffee liquid extraction residual waste liquid of roasted coffee beans or the coffee liquid extraction residual waste liquid of roasted coffee beans. A mixture of tea extraction residual waste liquid and / or tea leaves exudate mixed with a water-permeable nonwoven fabric or non-woven fabric layer part by a spraying method, a coating method or a dipping method, etc. By drying the non-woven fabric or the non-woven fabric layer portion, the coffee liquid extraction residual waste liquid of the roasted coffee beans or the dried product of the brewed liquid from the coffee liquid extraction residue containing the coffee liquid extraction residual waste liquid, or the coffee liquid of the roasted coffee beans Tea residue containing dried residue of extraction liquid or leachate from coffee liquid extraction residue and one or more tea extraction residual waste liquid and / or tea extraction residual waste liquid The dried product exudate, can be included in water-permeable nonwoven fabric or nonwoven layer portion.
[0019]
In the present invention, the leachate from the coffee liquor extraction residue of roasted coffee beans is mixed with the printing ink composition, or further mixed with or not mixed with the tea extraction residual waste liquor and / or the leachate for the tea husk. A suitable colorant can be blended to form a color ink. When the printing ink is used in this way, a desired pattern and characters can be printed over the entire surface of the water-permeable nonwoven fabric layer or the water-absorbent paper layer. For example, decorative patterns and patterns and characters for commercial advertising can be printed. It can print on a water-permeable nonwoven fabric layer part or a water-absorbing paper layer part.
[0020]
The concentration of the brewing liquid for the brewing liquid from the coffee liquid extraction residue containing the extracted residual waste liquid, the tea extraction residual waste liquid, and the tea husk containing the tea extraction residual waste liquid to be impregnated into the water-permeable nonwoven fabric layer is extracted at the time of leaching. It can be adjusted by changing the volume of the leachate water or the heating water used for the unit weight of the residue or tea husk. When the leaching time is within 2 hours, particularly within 1 hour, the extraction time can be reduced, which is preferable. Since the coffee liquid extraction residue and the tea husk are easily leached, they can be leached in a relatively short time.
In the present invention, the water-absorbing mixed layer portion of the sanitary sheet is made of paper powder or cotton pulp waste material containing a highly water-absorbing resin in order to keep the water absorption of the paper diaper, sanitary napkin or animal sheet. used. The amount of the superabsorbent resin used in this case is 5 to 15% by weight, preferably 7 to 10% by weight based on the total amount in the case of sanitary napkins and animal sheets, and the total amount in the case of disposable diapers. The content is 20 to 30 parts by weight, preferably 24 to 27% by weight.
[0021]
The superabsorbent resin used in the present invention is preferably a resin that can retain its shape even when artificial urine absorbs about 30 to 100 times its own weight of water. Examples of such highly water-absorbent resins include saponified copolymers of vinyl esters and ethylenically unsaturated carboxylic acids or derivatives thereof, graft polymers of starch and acrylic acid, crosslinked products of polyacrylic acid, and vinyl alcohol. And a copolymer of acrylic acid, a partial hydrolyzate of polyacrylonitrile, a crosslinked product of carboxymethyl cellulose, a crosslinked product of polyethylene glycol, a chitosan salt or a pullulan gel. These are used alone or in admixture of two or more in the water-absorbing material powder.
[0022]
In the present invention, as the superabsorbent resin, for example, a superabsorbent resin-containing material or superabsorbent fiber recovered from a disposable diaper, an incontinence pad, a sanitary napkin, or a disposable diaper waste is used. be able to. Such recovered superabsorbent resin has a water absorption capacity of 10 to 30 g / g with respect to artificial urine, and its water absorption performance is poor. However, hygiene sheets such as paper diapers and animal sheets have this level of water absorption. It was found that the effect can be used sufficiently. The particle size of the superabsorbent resin used is preferably 50 to 500 μm.
[0023]
Moreover, in this invention, paper diaper waste materials, such as a paper diaper with a poor test | inspection, and a paper diaper cutting waste, are used for a water absorbing mixed layer part. The disposable diaper material contains cotton pulp, that is, paper dust and a highly water-absorbing resin component, for example, about 70% by weight, so that it has a considerable water-absorbing and water-holding property. Since the material is used in an amount of 5 to 15% by weight, the water absorption and water retention are reduced accordingly. However, it has been found that plastic materials and rubber materials can be used in the water-absorbing mixed layer portion of sanitary sheets because the pulverized product pulverized to a particle size of 5 mm or less, preferably 3 mm or less, has water retention. . In addition, when the plastic material or rubber material is blended into the water-absorbing mixed layer part, the incineration process generates a large amount of heat from the plastic material and rubber material. In the case of the sanitary sheet, it was found that the sanitary sheet has a calorific value capable of burning the sanitary sheet even in a wet state after use.
[0024]
[Action]
In the present invention, the sanitary sheet is provided with a water-permeable nonwoven fabric layer portion containing a dried liquid of a coffee liquid extraction residual liquid of roasted coffee beans or a leachate from an extraction residue containing the residual liquid waste of coffee liquid extraction. Therefore, it is excellent in water absorption even when wet by sweat, etc., due to the action of the dried product of the coffee liquid extraction residual waste liquid of roasted coffee beans and the dried product of the brewed liquid from the coffee liquid extraction residue containing the coffee liquid extraction residual waste liquid In addition, the growth of bacteria is suppressed, and inexpensive coffee extraction residues and wastes such as tea husks and sanitary products can be utilized to maintain a hygienic state for a long time.
The present invention also provides a tea extraction residual waste liquid in addition to a dry product of the coffee liquid extraction residual waste liquid and / or a dry residue extraction liquid containing the coffee liquid extraction residual waste liquid. The dried product of tea leaves containing tea waste containing residual tea extraction liquid waste contains the dried product of tea leaves. It is used to collect and utilize the extracted residual waste liquid that has been proliferated and discarded, the coffee extracted residue that has also been disposed of, and waste such as tea husks and sanitary wares. Can maintain a good hygienic state for a long time.
[0025]
In the present invention, the water-permeable nonwoven fabric layer portion forming the upper surface, the plastic impermeable membrane portion forming the lower surface, and the water-absorbent first paper located in contact with the lower surface of the nonwoven fabric layer portion A layer portion, a mixed layer portion of water absorbent resin and water absorbent material powder positioned in contact with the lower surface of the first paper layer portion, and a water absorbent second paper layer portion positioned in contact with the lower surface of the mixed layer portion The impermeable membrane portion is disposed below the second paper layer portion, and the non-woven fabric layer portion has a residual liquid waste of roasted coffee beans extracted from the coffee liquid or the coffee. In the case of a diaper, for example, a paper diaper contains a dry matter of a leachate from a coffee liquor extraction residue containing liquid extraction residual waste liquid or a dry matter of a leachate from a coffee liquor extraction residue of roasted coffee beans and a tea liquor leachate. Used in animal sheets, absorbs excreted urine well And good water retention, having a high deodorizing function.
[0026]
【Example】
Examples of embodiments of the present invention will be described below, but the present invention is not limited to the following descriptions and examples.
FIG. 1 is an explanatory diagram of a sanitary sheet according to an embodiment of the present invention. FIG. 2 is an explanatory view of a sanitary sheet according to another embodiment of the present invention. FIG. 3 is a process diagram showing an embodiment of the present invention, and is a diagram showing an outline of a process for manufacturing the sanitary sheet of the present invention shown in FIG. FIG. 4 is an explanatory process diagram of a sanitary sheet according to another embodiment of the present invention different from the embodiment of FIGS. 1 and 2. FIG. 5 is a process diagram showing an embodiment of the present invention, and is a process diagram showing an outline of a process for manufacturing the sanitary sheet of the present invention shown in FIG. Corresponding portions in FIGS. 1 to 5 are denoted by the same reference numerals.
[0027]
Example 1
40 g of roasted coffee beans were immersed in 400 ml of boiling water for 1 minute to extract the coffee liquid, and the whole amount was filtered. After 30 seconds, when the dripping amount decreased, collection of the residual liquid waste from coffee liquid extraction was started. The amount of waste liquid extracted from the coffee liquid was about 15 ml. When the dripping of the residual liquid from the coffee liquid extraction was stopped, the coffee liquid extraction residue on the filter paper was 102 g (water content 72%).
The coffee liquid extraction residual waste liquid thus prepared was used to prepare a nonwoven fabric impregnated with the coffee liquid extraction residual waste liquid by immersing 20 cm × 75 cm of 40 g of cellulose fiber nonwoven fabric per m 2.
[0028]
Example 2
40 g of roasted coffee beans were immersed in 400 ml of boiling water for 1 minute, and the entire amount of the coffee liquid was filtered. The coffee liquid extraction residue containing the coffee liquid extraction residual waste liquid on the filter paper was 102 g (water content 72%). To 106 g of the coffee liquor extraction residue, 200 ml of water at a temperature of 70 ° C. was added and left for 1 minute, and the entire amount of the leachate was filtered. The leachate was 200 ml.
The leachate thus prepared was used to prepare a non-woven fabric impregnated with a leachate of coffee liquid extraction residue by immersing 80 cm × 75 cm of 40 g cellulose fiber non-woven fabric per m 2.
[0029]
Example 3
40 g of oolong tea was immersed in 400 ml of boiling water for 1 minute to extract oolong tea, and the whole amount was filtered. After 30 seconds, when the dripping amount decreased, collection of the residual liquid waste from coffee liquid extraction was started. The amount of the waste liquid extracted from the coffee liquid was about 20 ml. When the dripping of the residual liquid extracted from the coffee liquid was stopped, the tea shell of oolong tea on the filter paper was 104 g (water content 72%).
The oolong tea extraction residual waste liquid prepared in this way was used to make a nonwoven fabric impregnated with coffee liquid extraction residual waste liquid by immersing 20 cm × 75 cm of 40 g cellulose fiber nonwoven fabric per m 2.
[0030]
Example 4
40 g of oolong tea was immersed in 400 ml of boiling water for 1 minute, and the whole amount of oolong tea was filtered. The tea shell of oolong tea containing the oolong tea extraction residual waste liquid on the filter paper was 104 g (water content 72%). To 106 g of the oolong tea husk, 200 ml of water at a temperature of 70 ° C. was added and left for 1 minute to filter the entire amount of the leachate. The leachate was 200 ml.
The exudate thus prepared was used to immerse 80 cm × 75 cm of 40 g of cellulose fiber nonwoven fabric per m 2 to prepare a nonwoven fabric impregnated with oolong tea tea liquor exudate.
[0031]
Example 5
The coffee liquid extraction residual waste liquid prepared in Example 1 and the oolong tea extraction residual waste liquid prepared in Example 3 are mixed in an equal amount, and the mixed extraction residual waste liquid of the coffee liquid extraction residual waste liquid and the extraction residual waste liquid of oolong tea is mixed. Was prepared.
The mixed extraction residual waste liquid prepared in this way was used to prepare a nonwoven fabric impregnated with coffee liquid and oolong tea extraction residual waste liquid by immersing 20 cm × 75 cm of 40 g of cellulose fiber nonwoven fabric per m 2. .
[0032]
Example 6
Mixing the same amount of the brewing liquid of the coffee liquid extraction residue containing the coffee liquid extraction residual waste liquid prepared in Example 2 and the brewing liquid of the tea leaves extraction residue containing the extraction residual liquid waste of oolong tea prepared in Example 4 Then, a mixed liquid of a coffee liquid extraction residual waste liquid and a coffee liquid extraction residue leachate, and a mixed liquid of oolong tea extraction residual waste liquid and oolong tea extraction residue leachate were prepared.
The mixed leachate thus prepared was used to prepare a nonwoven fabric impregnated with tea brewing liquid of oolong tea by immersing 80 cm × 75 cm of 40 g of cellulose fiber nonwoven fabric per m 2.
[0033]
Example 7
In FIG. 1, the sanitary sheet 1 has a bottom portion formed of a water-impermeable film layer portion 2, a second water-absorbent paper layer portion 3 is formed on the water-impermeable film layer portion 2, and the second On the water-absorbing paper layer portion 3, the water-absorbing layer portion 4 is formed by pulverized waste material containing a necessary amount of the high water-absorbing resin amount, and the first water-absorbing paper layer portion 5 is disposed thereon. And a water-permeable nonwoven fabric layer impregnated with the exudate or exudate of the coffee liquid extraction residue prepared in Examples 1 to 6 or the exudate or exudate of tea leaves of oolong tea prepared in Examples 1 to 6 6 is formed, and the end portion 36 of the water-permeable nonwoven fabric layer portion 6 is bonded or joined to the end portion of the water-impermeable film layer portion 2 as the lowermost layer by hot melt bonding or the like, so that the sanitary sheet 1 is formed. Is formed.
In this example, the first water-absorbing paper layer portion 3, the water-absorbing mixed layer portion 4 and the second water-absorbing paper layer portion 5 are overlapped, embossed, and integrated into a sheet shape.
[0034]
Example 8
The present embodiment is an example in which the configuration of the sanitary sheet 1 shown in FIG. 1 is applied to a human disposable diaper. In FIG. 1, a water-impermeable film layer portion 2 is formed with 6.1 parts by weight of a polyethylene film, and a second water-absorbent paper is formed with 4.3 parts by weight of water-absorbing paper on the water-impermeable film layer portion 2. The layer part 3 is formed, and the water absorbent layer part 4 is formed on the second water absorbent paper layer part 3 with 50.6 parts by weight of pulverized paper diaper powder having a particle size of 3 mm or less. The first water-absorbing paper layer 5 is provided with 3 parts by weight of water-absorbing paper, and the upper part is covered with 4.5 parts by weight of the polypropylene non-woven fabric 6 impregnated with the waste liquid extracted from the coffee liquid prepared in Example 1 above. Thus, a water-permeable nonwoven fabric layer portion 6 is formed, and the end portion 36 of the polypropylene nonwoven fabric 6 is hot-melt bonded to the end portion of the lowermost polyethylene film 2 via a hot-melt adhesive, A disposable diaper is formed.
In this example, the first water-absorbing paper layer portion, the water-absorbing layer portion, and the second water-absorbing paper layer portion are overlapped, embossed, and integrated into a sheet shape. In this example, the disposable diaper for human use in this example has a heat of combustion before use of 6531 kilocalories (kcal) / kg, but after getting wet with 300 ml of pseudo urine equivalent to the amount of urination once per person. The heat of combustion of the sheet is 717 kcal / kg, which does not cause a combustion failure.
In the sanitary sheet of this example, the solid content of the mixture of the coffee liquid extraction residual waste liquid and the coffee liquid extraction waste liquid contained per 100 g of the nonwoven fabric is 4 g, and after 72 hours, Escherichia coli, green bacterium, Staphylococcus aureus, chain The growth of cocci and legionella was inhibited.
[0035]
Example 9
In this embodiment, the configuration of the sanitary sheet 1 shown in FIG. 1 is applied to an animal sheet. In FIG. 1, a water-impermeable film layer portion 2 is provided by 3 parts by weight of a polyethylene film, and a second water-absorbent paper layer portion is formed by 2.1 parts by weight of water-absorbing paper on the water-impermeable film layer portion 2. 3 is formed on the second water-absorbent paper layer 3 with 17.6 parts by weight of a paper diaper pulverized powder having a particle size of 3 mm or less, and 4.3 parts by weight of the water-absorbent layer 4 is formed thereon. The first water-absorbing paper layer portion 5 is provided with water-absorbing paper, on which 2.2 parts by weight are impregnated with the brewing liquid of the coffee liquid extraction residue containing the coffee liquid extraction residual waste liquid prepared in Example 2 above. A water-permeable nonwoven fabric layer portion 6 is formed by covering with the polypropylene nonwoven fabric 6, and the end portion 36 of the polypropylene nonwoven fabric 6 is hot-melt bonded to the end portion of the lowermost polyethylene film 2 via a hot-melt adhesive. Thus, the animal sheet is formed.
Also in this example, as in Example 1, the first water-absorbing paper layer portion, the water-absorbing layer portion and the second water-absorbing paper layer portion are overlapped, embossed, and formed into a sheet shape. .
The animal sheet of this example has a combustion heat before use of 6408 kcal / kg, but the heat of combustion of the sheet after wetting with 75 ml of simulated urine equivalent to the urine output of the puppy five times is It is 1354 kcal / kg and does not cause poor combustion.
In the sanitary sheet of this example, the mixed solid content of the coffee liquid extraction residual waste liquid and the coffee liquid extraction residue leachate contained per 100 g of the nonwoven fabric is 2.5 g, and after 72 hours, Staphylococcus aureus, Streptococcus and Legionella The growth of the fungus was suppressed.
[0036]
Example 10
This embodiment is an example in which the structure of the sanitary sheet 1 shown in FIG. 1 is applied to an animal sheet, but the water absorbent layer portion is formed of a highly water absorbent fiberboard provided with water absorbent paper on the upper and lower surfaces. This is an example. In FIG. 1, a veterinary sheet 1 has a water-impermeable film layer 2 at the bottom formed of 3 parts by weight of a polyethylene sheet, and a water-absorbent paper layer on the upper and lower surfaces on the water-impermeable film layer 2. The water-absorbing layer 4 is formed by placing 20.3 parts by weight of a non-woven fabric type plate-like superabsorbent fiber (150 g / m 2) having the parts 3 and 5. On this water-absorbing layer portion 3, the first water-absorbing paper layer portion 5 is provided with 4.3 parts by weight of water-absorbing paper, on which the coffee liquid extraction residual waste liquid prepared in Example 5 and the tea shell of oolong tea are prepared. A water-permeable nonwoven fabric layer portion 6 is formed by covering with 2.2 parts by weight of the polypropylene nonwoven fabric 6 impregnated with a mixed extraction residual waste solution in which an equal amount of the extraction residual waste fluid is mixed. 36 is hot-melt bonded to the end of the lowermost polyethylene film 2 via a hot-melt adhesive to form an animal sheet. The heat of combustion before use of the animal sheet in this example is 5560 kilocalories (kcal) / kg, but the heat of combustion of the sheet after wetting with 75 ml of simulated urine equivalent to the amount of urination of the puppy five times is 933 kcal / kg and does not cause poor combustion.
In the sanitary sheet of this example, the solid content of the mixed extraction residual waste contained per 100 g of the nonwoven fabric was 2.5 g, and after 72 hours, the growth of Staphylococcus aureus, Streptococcus and Legionella was suppressed.
[0037]
Example 11
In this embodiment, the configuration of the sanitary sheet 1 shown in FIG. 1 is applied to an animal sheet. In FIG. 1, a water-impermeable membrane layer portion 2 that forms a bottom portion is provided by 3 parts by weight of a polyethylene film, and a second water-absorbing paper of 2.1 parts by weight is formed on the water-impermeable membrane layer portion 2. A water absorbent paper layer portion 3 is provided, and the water absorbent layer portion 4 is formed on the second water absorbent paper layer portion 3 with 17.6 parts by weight of a paper diaper waste material pulverized powder having a particle size of 3 mm or less. The mixed leachate obtained by mixing an equal amount of the leachate of the coffee liquor extraction residue containing the coffee liquor extraction residual waste solution prepared in Example 6 and the oolong tea tea liquor leach solution containing the extraction residual waste solution of oolong tea is impregnated 4.7. Extraction of oolong tea with a mixed liquid of the coffee liquid extraction residual waste liquid and the coffee liquid extraction residue leachate prepared in Example 6 on the first water absorbent paper layer section 5 is provided with a part by weight of water absorbent paper. Mixing the residual waste liquid and the oolong tea brewing liquid A water-permeable nonwoven fabric layer portion 6 is formed by covering with 2.8 parts by weight of a polypropylene nonwoven fabric impregnated with the mixed liquid mixture, and the end portion 36 of the polypropylene nonwoven fabric 6 is the water-impervious layer of the lowermost layer. A sheet for animals is formed by hot-melt bonding to the end of the conductive film layer portion polyethylene film 2 via a hot-melt adhesive.
In the animal sheet of this example, the heat of combustion before use is 6094 kilocalories (kcal) / kg, but even after wetting with 75 ml of simulated urine equivalent to the urine output of the puppy five times, the heat of combustion is It is 1852 kcal, and the animal sheet of this example does not cause poor combustion.
[0038]
Example 12
In FIG. 2, the sanitary sheet 1 is different from the sanitary sheet 1 shown in FIG. 1 in the structure of the water-absorbing layer portion. In the sanitary sheet 1 of this example, the bottom surface portion is formed of the water-impermeable film layer portion 2, the second water-absorbent paper layer portion 3 is formed on the water-impermeable film layer portion 2, and the second On the water-absorbent paper layer portion 3, the water-absorbing layer portion 4 is composed of waste material pulverized powder 7 containing a superabsorbent resin amount less than the required amount and superabsorbent resin powder 8 that compensates for the shortage of the superabsorbent resin. A first water-absorbing paper layer portion 5 is disposed thereon, and an equivalent mixed leachate of the coffee liquor extraction residue leachate and oolong tea tea liquor prepared in Example 6 is coated thereon. An impregnated water-permeable nonwoven fabric layer portion 6 is formed, and an end portion 36 of the water-permeable nonwoven fabric layer portion 6 is bonded to an end portion of the water-impermeable membrane layer portion 2 as a lowermost layer by hot melt bonding or the like. The sanitary sheet 1 is formed by bonding or bonding.
In this example, the first water-absorbent paper layer portion 5, the water-absorbent layer portion 4 and the second water-absorbent paper layer portion 3 are overlapped, embossed, and integrated into a sheet shape.
The sanitary sheet of this example had a mixed leachate solid content of 2.5 g per 100 g of nonwoven fabric, and after 72 hours, the growth of Staphylococcus aureus, Streptococcus and Legionella was inhibited.
[0039]
Example 13
The present embodiment is an example in which the configuration of the sanitary sheet 1 shown in FIG. 2 is applied to a human disposable diaper. In FIG. 2, the impermeable membrane layer 2 is provided with 6.1 parts by weight of a polyethylene film, and the second absorbent paper is provided with 4.2 parts by weight of absorbent paper on the impermeable membrane layer 2. The layer part 3 is provided, and 34.1 parts by weight of the disposable diaper waste powder 7 having a particle size of 3 mm or less and a superabsorbent resin content of 24% by weight are placed on the second water absorbent paper layer part 3. Then, 11.7 parts by weight of the superabsorbent resin powder 8 is supplied onto the ground diaper waste material powder 7 to form the superabsorbent layer part 4 having a superabsorbent resin content of 33% by weight. The first water-absorbing paper layer portion 5 is placed on the water-soluble layer portion 4 with 9.5 parts by weight of water-absorbing paper, and the leachate of the coffee liquid extraction residue prepared in Example 2 is impregnated thereon. Covering with 4.4 parts by weight of the polypropylene nonwoven fabric 6, a water-permeable nonwoven fabric layer portion 6 is formed. Is hot melt adhesive through the lower layer of the end portion of the polyethylene film 2 and the hot melt adhesive, paper diaper 1 for human are formed.
Also in this example, as in the case of Examples 8 to 12, the first water-absorbing paper layer part, the water-absorbing layer part and the second water-absorbing paper layer part are overlapped, embossed, and sheet-like. Is integrated.
The paper diaper for human use in this example has a combustion heat before use of 5577 kilocalories (kgal) / kg, but the heat of combustion of the sheets after getting wet with 300 ml of pseudo urine equivalent to one urine output per person Is 536 kcal / kg and does not result in poor combustion.
[0040]
Example 14
This embodiment is an example in which the configuration of the sanitary sheet 1 shown in FIG. 2 is applied to an animal sheet. In FIG. 2, a water-impermeable film layer portion 2 is provided by 3 parts by weight of a polyethylene film, and a second water-absorbent paper layer portion is formed by 2.1 parts by weight of water-absorbing paper on the water-impermeable film layer portion 2. 16.9 parts by weight of the diaper waste material crushed powder 7 crushed to a particle size of 3 mm or less is placed on the second water-absorbent paper layer part 3, and 3 parts by weight of The water absorbent resin powder 8 is supplied to form the water absorbent layer 4, and the first water absorbent paper layer 5 is provided on the water absorbent layer 4 with 4.7 parts by weight of water absorbent paper, It is covered with 2.7 parts by weight of the polypropylene nonwoven fabric 6 impregnated with the coffee liquid extraction residue leachate prepared in Example 2 to form a water-permeable nonwoven fabric layer portion 6. The end 36 is hot-melt contacted with the end of the lowermost polyethylene film 2 via a hot-melt adhesive. Animal sheets are formed by.
Also in this example, as in the case of Examples 10 to 13, the first water-absorbing paper layer part, the water-absorbing layer part and the second water-absorbing paper layer part are overlapped, embossed, and sheet-like. Is integrated. The laminated paper used in this example was a polypropylene film coated with 20 weight percent. The heat of combustion before the use of the animal sheets in this example is 5520 kcal / kg, but the heat of combustion of the sheets after getting wet with 75 ml of simulated urine corresponding to the amount of urination of the puppy five times is 2009 kcal / kg, It does not result in poor combustion.
[0041]
Example 15
In this example, in the case of the animal sheet shown in Example 14, instead of pulverized paper diaper waste powder, the pulverized paper diaper waste powder is classified, and the remaining classification in which the superabsorbent resin and the cotton-like pulp are separated and recovered is classified. This is an example in which a product, that is, a classified product having a high water-absorbing resin content lower than the high water-absorbing resin content of the crushed paper diaper waste before classification is used.
[0042]
  In FIG. 2, a water-impermeable film layer portion 2 is provided by 3 parts by weight of a polyethylene film, and a second water-absorbent paper layer portion is formed by 2.1 parts by weight of water-absorbing paper on the water-impermeable film layer portion 2. 3 and 16.9 parts by weight of the classified product 7 having a low water-absorbing resin content of the disposable diaper waste powder having a particle size of 3 mm or less is placed on the second water-absorbent paper layer 3. 3 parts by weight of the highly water-absorbing resin powder is supplied thereon to form the water-absorbing layer part 4, and 4.7 parts by weight of water-absorbing paper is used as the first water-absorbing paper on the water-absorbing layer part 4. 2.7 parts by weight of polypropylene non-woven fabric provided with a layer part 5 and impregnated with a leachate of a coffee liquid extraction residueWith clothCovering, a water-permeable nonwoven fabric layer portion 6 is formed, and the polypropylene nonwoven fabricClothThe end 36 was hot-melt bonded to the end of the lowermost polyethylene film 2 via a hot-melt adhesive to form an animal sheet.
  Also in this example, as in the case of Examples 5 to 10, the first water-absorbing paper layer part, the water-absorbing layer part and the second water-absorbing paper layer part are overlapped, embossed, and sheet-like. Is integrated. The animal sheet in this example does not become defective in combustion even after being wetted with 75 ml of pseudo urine corresponding to the urine output of the puppy five times.
[0043]
Example 16
  FIG. 3 shows a manufacturing process of the sanitary sheet 1 according to an embodiment of the present invention. The sanitary sheet 1 has a bottom formed by a water-impermeable film layer portion 2 formed of a polyethylene film, and a water-absorbent paper is disposed on the water-impermeable film layer portion 2 to form a second water-absorbent paper layer portion 3. On top of that, paper diaper waste material crushingPowderThe superabsorbent resin 8 is supplied in layers, and the superabsorbent resin 8 is dispersed and mixed in the disposable diaper waste material powder to form the superabsorbent layer 4 together with the disposable diaper waste material powder, A water absorbent paper is arranged on the water absorbent layer portion 4 to form a first water absorbent paper layer portion 5, and the top is covered with a polypropylene nonwoven fabric impregnated with a brewed liquid of coffee liquid extraction residue, The water-permeable nonwoven fabric layer part 6 is formed.
[0044]
  In FIG. 3, the lower absorbent paper supply roll 9 forming the second absorbent paper layer portion 3 is pulled out by the lower absorbent paper feed roller 10 and crushed paper diaper waste material.PowderyIt is sent to the supply roller 11. Waste diaper waste crushingPowderyA pulverizer 14 is provided above the supply roller 11 so as to be connected to a supply unit 13 for the disposable diaper material 12, and the supplied disposable diaper material 12 is pulverized to a particle size of 3 mm or less by the pulverizer 14. Crushed waste paper diaperThe powderThe diaper waste material pulverized powder supplied is adjusted so as to be constant and supplied from the supply roller 11 onto the second water absorbent paper layer 3 of the lower water absorbent paper. Paper diaper waste material ground powder7The second water-absorbent paper layer portion 3 to which the water is supplied is sent to the water spraying portion 15 and the paper diaper waste material crushed powder on which a certain amount of water is placed on the lower water-absorbent paper 3 from the water sprayer 16. Sprayed. The second water-absorbent paper layer portion 3 on which the water-sprayed paper diaper waste material pulverized powder is placed is sent to a sprayed portion 17 of the superabsorbent resin 8, and the superabsorbent fiber 8 is sprayed at the sprayed portion 17. The superabsorbent resin 8 is sprayed from the resin sprayer 18 onto the diaper waste material pulverized powder sprayed with water. The highly water-absorbing resin 8 dispersed in the paper diaper waste material pulverized powder 7 is dispersed and mixed in the paper diaper waste material pulverized powder during transportation to form the water absorbent layer portion 4.
[0045]
The second water-absorbent paper layer portion 3 in which the water-absorbent layer portion 4 is formed by spraying the superabsorbent resin crushed powder 7 on the disposable diaper waste paper supply of the upper water-absorbent paper forming the first water-absorbent paper layer portion 5 The upper absorbent paper is placed on the upper side of the water absorbent layer 4 from the upper absorbent paper supply roll 20. In this way, in the water absorbent layer portion 4, the second water absorbent paper layer portion 3 is disposed on the lower side, and the water absorbent paper layer portion 5 is disposed on the upper side. As described above, the laminate 21 having the water absorbent layer portion 4 in which the first and second water absorbent paper layer portions are arranged above and below is sent to the embossing machine 22 to form emboss. The laminate 21 having the water-absorbing layer portion 4 formed with the emboss is sent to the mat cutter 23 and cut into the laminate 21 having the water-absorbing layer portion having a length of 450 mm. Below the laminate 21 having the cut water-absorbing layer portion, a polyethylene film 2 for a back film is supplied from below from a roll 24 of the polyethylene film 2, and the laminate 21 having the water-absorbing layer portion 4 is a polyethylene film. 2 is placed on top. The laminate 21 having the water-absorbing layer portion with the polyethylene film 2 disposed in this manner is sent to a location 25 where the polypropylene nonwoven fabric 6 impregnated with the brewing liquid of the coffee liquid extraction residual waste liquid and the coffee liquid extraction residue is covered. It is done.
[0046]
On the other hand, the polypropylene nonwoven fabric 6 impregnated with the brewing liquid of the coffee liquid extraction waste liquid and the coffee liquid extraction residue is fed from the roll 26 of the polypropylene nonwoven fabric 6. Sprayed on. The polypropylene nonwoven fabric 6 sprayed with the hot melt adhesive is placed on the laminate 21. The laminate of the water-absorbing layer part on which the polypropylene nonwoven fabric is placed is sent to the side sealing machine 28, and both side parts are pressure-bonded and bonded by a hot melt adhesive. The laminate having both side portions bonded thereto is sent to the end seal machine 29, and both end portions in the longitudinal direction are bonded together, sent to the product cutter 30, cut into a predetermined size, and sent as a product. The product cut by the product cutter 30 is folded by a folding machine along the conveyance path 31, packed by a packaging machine, and shipped.
[0047]
In this example, an example of a non-woven fabric layer portion formed of a non-woven fabric containing a dried product of a leachate with respect to a coffee liquor extraction residue containing coffee liquor extraction residual waste liquid of roasted coffee beans has been shown. Non-woven fabric layer part formed by non-woven fabric containing dried coffee liquid extraction residual waste liquid can be used, and also contains coffee liquid extraction residual waste liquid of roasted coffee beans or coffee liquid extraction residual waste liquid of roasted coffee beans The non-woven fabric layer part may be used with a non-woven fabric containing a dry product of a mixed liquid obtained by mixing tea leaves infused liquid containing tea extraction residual waste liquid such as green tea, oolong tea and / or black tea in the leachate of the coffee liquid extract residue it can.
[0048]
Example 17
The sanitary sheet 1 shown in FIG. 4 is partitioned by the sanitary sheet 1 shown in FIGS. 1 and 2 and a third water-absorbing paper layer part, and the water-absorbing layer part is formed in two upper and lower layers. It is different.
Also in the sanitary sheet 1 of this example, as in the example of FIGS. 1 and 2, the bottom surface portion is formed of the water-impermeable film layer portion 2, and the second water-absorbing film layer 2 is formed on the water-impermeable film layer portion 2. A paper layer part 3 is formed, and the top part is a brewed liquid or a mixed liquid of these coffee liquid extraction residues or a coffee liquid extraction residue of the coffee liquid extraction residual waste liquid or coffee liquid extraction residue prepared according to Example 1, Example 2, Example 5 or Example 6. It is formed of a water-permeable nonwoven fabric layer portion 6 impregnated with an exudate or leachate of a waste liquid extraction residue and a mixture of an exudate or an exudate of tea leaves.
In this example, on the second water-absorbent paper layer portion 3, a lower water-absorbent layer portion 32 containing a high water-absorbent resin amount and diaper waste pulverized powder is formed, and a third water-absorbent paper layer is formed thereon. The portion 33 is disposed, and an upper water-absorbing layer portion 34 is formed so as to cover the portion 33. In this example, the end portion 35 of the second water absorbent paper layer portion is folded over the end of the third water absorbent paper layer portion so as to hold down the third water absorbent paper layer portion 33. . Also in this example, the end part 36 of the water-permeable nonwoven fabric layer part 6 is bonded or joined to the end part of the water-impermeable film layer part 2 as the lowermost layer by hot melt bonding or the like, so that the sanitary sheet 1 is formed. Has been.
Also in this example, the first water-absorbent paper layer portion 5, the upper water-absorbent layer portion 3 and the second water-absorbent paper layer portion 3 are overlapped and embossed as in the embodiment of FIGS. And integrated into a sheet shape.
[0049]
Example 18
In FIG. 4, the water-impermeable membrane layer 2 is provided with 3 parts by weight of polyethylene film, and the second water-absorbent paper layer with 2.1 parts by weight of water-absorbing paper on the water-impermeable membrane layer 2. 3, 16.9 parts by weight of diaper waste material crushed powder 7 crushed to a particle size of 3 mm or less is placed on the second water-absorbent paper layer 3, and 3 parts by weight of The superabsorbent resin powder 8 is supplied to form the lower water-absorbing layer portion 32, on which the third water-absorbing paper layer portion 33 is provided with 4.7 parts by weight of water-absorbing paper. 16.9 parts by weight of the diaper waste material pulverized powder 7 pulverized to a particle size of 3 mm or less is placed, on which 2 parts by weight of the superabsorbent resin powder 8 is supplied, and the upper water absorbent layer 34 is formed. It is formed. On the upper water-absorbing layer portion 34, the first water-absorbing paper layer portion 5 is provided with 4.3 parts by weight of water-absorbing paper, and the coffee water extraction residual waste liquid prepared in Example 2 is contained thereon. The permeable nonwoven fabric layer 6 is formed by covering with 2.7 parts by weight of the polypropylene nonwoven fabric 6 impregnated with the brewing liquid of the coffee liquid extraction residue, and the end of the polypropylene nonwoven fabric 6 is the bottom layer of polyethylene An animal sheet was formed by hot-melt bonding to the end of the film 2 via a hot-melt adhesive. Also in this example, as in the case of Examples 5 to 10, the first water-absorbing paper layer part, the water-absorbing layer part and the second water-absorbing paper layer part are overlapped, embossed, and sheet-like. Is integrated. The animal sheet in this example does not become defective in combustion even after being wetted with 75 ml of pseudo urine corresponding to the urine output of the puppy five times.
In the sanitary sheet of this example, the solid content of the mixed liquid of the coffee liquid extraction residual waste liquid and the coffee liquid extraction residue leachate contained per 100 g of the nonwoven fabric is 2.5 g, and after 72 hours, Staphylococcus aureus and Streptococcus And the growth of Legionella was inhibited.
[0050]
FIG. 5 shows a manufacturing process of a sanitary sheet 1 of another embodiment different from FIGS. 1 and 2 of the present invention. The sanitary sheet 1 has a bottom formed by a water-impermeable film layer portion 2 formed of a polyethylene film, and a water-absorbent paper is disposed on the water-impermeable film layer portion 2 to form a second water-absorbent paper layer portion 3. On top of that, a layered lower water-absorbing layer portion 32 made of crushed paper diaper waste powder and high water-absorbing resin is formed, and water-absorbing paper is disposed thereon to form a third water-absorbing paper layer portion 33, A layered upper water-absorbing layer portion 34 is formed on the diaper waste pulverized powder and the highly water-absorbent resin, and the water-absorbing paper is disposed on the upper water-absorbing layer portion 34 so that the first water-absorbing paper layer portion is formed. 5 is formed and covered with, for example, a polypropylene non-woven fabric impregnated with a brewing liquid of a coffee liquid extraction residue to form a water-permeable non-woven fabric layer portion 6.
[0051]
In FIG. 5, the lower water absorbent paper roll 9 forming the second water absorbent paper layer portion 3 is pulled out by the lower water absorbent paper feed roller 10 and below the first supply roller 11 of the paper diaper waste material crushed powder 7. Sent to. A first crusher 14 is provided above the first supply roller 11 of the disposable diaper waste powder 7 and connected to the first supply unit 13 of the disposable diaper waste 12, and the supplied disposable diaper waste 12 is first crushed. The paper diaper waste material pulverized powder 7 pulverized to a particle size of 3 mm or less by the machine 14 is supplied onto the lower absorbent paper from the first supply roller 11 to form the second absorbent paper layer portion 3. The supplied paper diaper waste material pulverized powder 7 is adjusted and supplied so that the amount of paper diaper waste material pulverized powder 7 is constant on the second water absorbent paper layer portion 3 formed of the lower absorbent paper. The The second water absorbent paper layer portion 3 to which the paper diaper waste material pulverized powder is supplied is sent to the water spraying portion 15, and water is supplied from the water sprayer 16 to the diaper waste material pulverized powder on the second water absorbent paper layer portion 3. Sprayed on. The second water-absorbing layer portion 3 on which the paper diaper waste material pulverized powder 7 sprayed with water is placed is sent to the sprayed portion 17 of the superabsorbent resin 8, and the paper diaper waste material pulverized powder 7 sprayed with water is the second water absorbent. The superabsorbent layer 3 and the superabsorbent resin 8 are sprinkled from the superabsorbent resin sprayer 18 by being sent to the sprinkling portion 17 of the superabsorbent resin 8. The superabsorbent resin 8 sprayed on the disposable diaper waste material powder 7 is dispersed and mixed in the disposable diaper waste material powder 7.
[0052]
The second water-absorbing layer part 3 in which the superabsorbent resin 8 is sprayed on the paper diaper waste pulverized powder 7 to form the lower water-absorbing layer part 32 of the paper diaper pulverized powder and the superabsorbent resin is the third water-absorbing paper layer. It is sent to the supply location 37 of the intermediate water absorbent paper forming the portion 33. On the other hand, the intermediate water-absorbing paper forming the third water-absorbing paper layer portion 33 is sent from the intermediate water-absorbing paper roll 38 to the intermediate water-absorbing paper supply point 37 where it is guided to the intermediate water-absorbing paper supply roller 39. The intermediate water absorbent paper is placed on the lower water absorbent layer portion 32. The second water-absorbing paper layer portion 3 in which the third water-absorbing paper layer portion 33 is formed on the lower water-absorbing layer portion 32 is sent to the folding machine 40 where it is pressurized and the second water-absorbing paper layer portion 3 is pressed. The end portion 35 of the layer portion 3 is bent above the third water absorbent paper layer portion 33 to stabilize the third water absorbent paper layer portion 33. The second water-absorbent paper layer portion 3 obtained by bending the end portion 35 of the second water-absorbent paper layer portion 3 on the third water-absorbent paper layer portion 33 is located below the second supply roller 41 of the disposable diaper waste material powder 7. Sent. A second crusher 43 is provided above the second supply roller 41 of the disposable diaper waste material powder 7 and is connected to the second supply unit 42 of the disposable diaper waste material 12. The second disposable diaper waste material 12 is supplied to the second disposable diaper waste material 12. The pulverized paper diaper waste material pulverized powder 7 is pulverized to a particle size of 3 mm or less by a pulverizer 43, and the amount of the paper diaper waste material pulverized powder 7 is constant from the second supply roller 41 onto the third water absorbent paper layer portion 33. It is adjusted so as to be supplied. The second water-absorbent paper layer portion 3 to which the paper diaper waste material pulverized powder 7 has been supplied on the third water-absorbent paper layer portion 33 is sent to the second water spray location 44, and water is supplied from the second water sprayer 45. The paper diaper waste material crushed powder 7 formed on the third water absorbent paper layer portion 33 is sprayed. The second water absorbent paper layer portion 3 on which the diaper waste material crushed powder 7 on the third water absorbent paper layer portion 33 sprayed with water is placed is sent to the second spraying portion 46 of the super absorbent polymer 8, The superabsorbent resin 8 is sprayed from the superabsorbent resin second sprayer 47 on the disposable diaper waste material powder 7 on the third absorbent paper layer 33 sprayed with water. The superabsorbent resin 8 sprayed on the disposable diaper waste powder 7 is dispersed and mixed in the disposable diaper waste powder 7 so that the upper absorbent layer 34 containing the disposable diaper powder and the superabsorbent resin has a third water absorbency. It is formed on the paper layer portion 33. The second water absorbent paper layer portion 3 on which the upper water absorbent paper layer portion 34 is formed is sent to the supply location 19 of the upper water absorbent paper 5 where the upper water absorbent paper 5 is placed. The second water absorbent paper layer 3 on which the upper water absorbent paper 5 is placed is sent to the embossing machine 22 to form emboss. The laminate 21 in which the water-absorbing layer portion formed with embossing is integrally formed has the first to third water-absorbing paper layer portions 3, 5 and 33, and the second water-absorbing paper layer portion 3 and the third water-absorbing paper layer portion 3. A lower water absorbent layer portion 32 is formed between the water absorbent paper layer portions 33, and an upper water absorbent layer portion 34 is formed between the first water absorbent paper layer portion 3 and the third water absorbent paper layer portion 33. The laminate 21 formed in this way is sent to the mat cutter 23 and cut into a length of 450 mm. Below the cut laminate 21, a polyethylene film 2 for back film is supplied from below from a roll 24 of the polyethylene film 2, and the laminate 21 is placed on the polyethylene film 2 to make coffee liquid. It is sent to the location 25 where the polypropylene nonwoven fabric 6 impregnated with the brewing liquid of the coffee liquid extraction residue containing the extraction residual waste liquid is covered.
[0053]
A polypropylene nonwoven fabric layer portion 6 formed of a polypropylene nonwoven fabric impregnated with a coffee liquid extraction residue leachate containing the coffee liquid extraction residual waste liquid is fed from a roll 26, and a hot melt adhesive is fed from the sprayer 27 on the way to the polypropylene nonwoven fabric. It sprays on the both ends 36 of the adhesion location of the layer part 6. FIG. The polypropylene nonwoven fabric layer portion 6 sprayed with the hot melt adhesive is placed on the laminate 21. The laminate on which the polypropylene non-woven fabric layer portion 6 is placed is sent to the side sealing machine 28, and both side portions are pressure-bonded and bonded by a hot melt adhesive. The laminate 21 to which both side end portions 36 are bonded is sent to an end seal machine 29 where both ends in the longitudinal direction are bonded, sent to a product cutter 30, cut into a predetermined size, and sent as a product. The product cut by the product cutter 30 is folded by a folding machine along the conveyance path 31, packed by a packaging machine, and shipped.
[0054]
In this example, an example of a non-woven fabric layer portion formed of a non-woven fabric containing a dried product of a leachate with respect to a coffee liquor extraction residue containing coffee liquor extraction residual waste liquid of roasted coffee beans has been shown. Non-woven fabric layer part formed by non-woven fabric containing dried coffee liquid extraction residual waste liquid can be used, and also contains coffee liquid extraction residual waste liquid of roasted coffee beans or coffee liquid extraction residual waste liquid of roasted coffee beans The non-woven fabric layer part may be used with a non-woven fabric containing a dry product of a mixed liquid obtained by mixing tea leaves infused liquid containing tea extraction residual waste liquid such as green tea, oolong tea and / or black tea in the leachate of the coffee liquid extract residue it can.
In this example, the upper water-absorbing layer portion and the lower water-absorbing layer portion are both mixed with disposable diaper waste powder and a superabsorbent resin. In order to increase the absorption rate, the upper water-absorbing layer part can be made only of diaper waste material ground powder. Moreover, the composition of the upper water-absorbing layer part and the lower water-absorbing layer part can be changed according to the purpose.
[0055]
【The invention's effect】
In the present invention, the sanitary sheet is a dried product of a coffee liquid extraction residual waste liquid of roasted coffee beans, or a dried product of a leachate of coffee liquid extraction residue of roasted coffee beans, a dried product of a green tea extraction residual waste liquid, or a green tea tea shell. Dried leaching liquid of oolong tea, dried effluent of oolong tea extraction residue, dried leaching liquid of oolong tea extraction residue, dried effluent of tea extraction residue or dried leaching liquid of tea cake extraction residue, or two or more of these Because it is equipped with a non-woven fabric layer that contains the dried product of the mixed solution and the dried product of the remaining liquid waste of the roasted coffee beans, the coffee solution of the roasted coffee beans is extracted compared to conventional sheets. Due to the action of the dried product of the residual waste liquid, the dried product of the coffee liquid extracted residual waste, the dried product of the coffee liquid extracted residue, the dried product of the tea extracted residual waste liquid, the dried product of the tea cake leached liquid, sweat, etc. Smell is suppressed, it is possible to suppress the growth of wetness and bacteria by perspiration, over a long period of time, it can be kept sanitary condition.
[0056]
In the present invention, the water-permeable nonwoven fabric layer portion forming the upper surface, the plastic impermeable membrane portion forming the lower surface, and the water-absorbent first paper located in contact with the lower surface of the nonwoven fabric layer portion A layer portion, a mixed layer portion of water absorbent resin and water absorbent material powder positioned in contact with the lower surface of the first paper layer portion, and a water absorbent second paper layer portion positioned in contact with the lower surface of the mixed layer portion The water-impermeable membrane portion is disposed below the second paper layer portion, and the nonwoven fabric layer portion has a leachate for a coffee liquid extraction residue of roasted coffee beans. As it contains dried products or dried products of exudate or exudate from coffee liquid extraction residue of roasted coffee beans and dried products of exudate or exudate from tea husks, it is compared with conventional disposable diapers and animal sheets. Urine and body odor due to excreted urine According Oshu can be suppressed, for example, as for pet animals, at rest, by using at bedtime or excretion can keep the periphery in good sanitary conditions.
[0057]
In the present invention, since the brewing liquid and / or tea brewing liquid for the coffee liquid extraction residue of roasted coffee beans is used to suppress bacterial growth when using sanitary sheets, a large amount of roasted coffee beans coffee The leaching liquid and / or tea brewing liquid for the liquid extraction residue will be used, and the waste liquid that has been treated by activated sludge treatment, etc., can be used effectively, and the waste materials and waste liquid treatment process during canned coffee and instant coffee production For example, waste paper diapers can be used effectively.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of an animal sheet according to an embodiment of the present invention.
FIG. 2 is an explanatory view of an animal sheet according to another embodiment of the present invention.
FIG. 3 is a schematic process diagram showing a process for producing the sanitary sheet of the present invention.
4 is an explanatory process diagram of a sanitary sheet according to another embodiment of the present invention different from the embodiment of FIGS. 1 and 2. FIG.
5 is a process diagram showing one embodiment of the present invention, and is a process diagram showing an outline of a process for producing the sanitary sheet of the present invention shown in FIG. 1. FIG.
[Explanation of symbols]
1 Sanitary sheets, human disposable diapers, animal sheets
2 Upper water absorbent paper, first water absorbent paper layer
3 Superabsorbent polymer sheet
4 Water absorption layer part
5 Lower water absorbent paper, second water absorbent paper layer
6 Polypropylene nonwoven fabric
7 Paper diaper waste paper ground powder
8 Super absorbent resin
9 Lower water absorbent paper roll
10 Lower side absorbent paper 3 feed roller
11 Crushed powder supply roller for paper diaper waste material powder 7
12 Waste paper diapers
13 Paper diaper waste supply section
14 Crusher
15 Water spray points
16 Water sprayer
17 Application place of super absorbent polymer
18 Super absorbent polymer sprayer
19 Supply location of upper absorbent paper 4
20 Upper water absorbent paper roll
21 Laminate
22 Embossing machine
23 Matt cutter
24 Roll of polyethylene film 2
25 Place to cover the polypropylene nonwoven fabric 5
26 Rolls of polypropylene nonwoven fabric
27 Hot melt adhesive sprayer
28 Side seal device
29 End sealing machine
30 Product cutter
31 Transport path
32 Lower water absorption layer
33 3rd water absorption layer part
34 Upper water absorption layer
35 End of the second water absorbent paper layer 3
36 End of Nonwoven Fabric Layer 3
37 Supply points for intermediate absorbent paper
38 Intermediate absorbent paper roll
39 Intermediate absorbent paper supply roller
40 folding machine
41 Second supply roller
42 Second supply section for waste paper diapers
43 Second crusher
44 Second water spray location
45 Second water sprayer
46 8 second spray points of super absorbent polymer
47 Second sprayer of super absorbent resin 8

Claims (13)

The nonwoven fabric was leached with coffee extraction drying of the residual waste and coffee extraction residue coffee liquid 10 times or less the weight of the cold water or cold temperatures above the heated water against extraction contained in coffee extraction residue the drying of the leachate obtained coffee extraction residue contains Te inhibit the growth of bacteria, wherein the sanitary sheets for nonwovens. The non-woven fabric is dried from the coffee liquid extraction residual waste contained in the coffee liquid extraction residue, and the coffee liquid extraction residue is leached with room temperature water of 10 times the weight of the coffee liquid extraction residue or heated water at a temperature higher than room temperature. dry matter and used tea leaves to inhibit the growth of bacteria, characterized in that it contains the dried product of tea extract residual waste contained sanitary sheets for nonwoven leachate coffee extraction residue was collected using. Drying of the coffee extraction residue waste contained in coffee extraction residue nonwoven, tea extract residual waste contained in the tea leaves dry matter and tea grounds weight cold water or room temperature over a 10-fold or less with respect to tea leaves suppressing sanitary sheets nonwoven fabric for the growth of bacteria, wherein the dry matter of the leachate resulting brown shell leached in heated water temperature is included. The non-woven fabric is brewed from the dried coffee liquor residue remaining in the coffee liquor extraction residue, and the liquor liquor extraction residue is leached with room temperature water of 10 times the weight of the coffee liquor extraction or heated water at room temperature or higher. drying of leachate obtained coffee extraction residue leached with dry matter and 10 times the weight of the cold water or cold temperatures above the heated water against tea grounds used tea leaves of tea extract residual waste contained in the tea leaves the growth of bacteria, characterized in that it contains the dried product of the leaching solution obtained brown shells suppressing sanitary sheets for nonwovens. The nonwoven fabric is made of plastic fiber, plastic fiber waste material, rayon fiber, rayon fiber waste material, pulp, pulp waste material, polyamide fiber, polyamide fiber waste material, polyester fiber or polyester fiber waste material. The nonwoven fabric for sanitary sheets which suppresses the proliferation of the bacteria as described in any one of Claims 1 thru | or 4 . Brown shell, green tea tea leaves, suppresses sanitary sheets bacterial growth according to any one of claims 2 to 4, characterized in that a used tea leaves or tea tea leaves or these two or more tea shell Oolong Nonwoven fabric. Heating the coffee liquid residual waste separated from the coffee liquid extraction residue and the coffee liquid extraction residue containing the coffee liquid residual waste heated to room temperature water or a temperature higher than room temperature by 10 times or less by weight with respect to the coffee liquid extraction residue the leachate coffee extraction residue obtained by leaching with water, is deposited separately or mixed nonwoven suppress sanitary sheets the growth of bacteria, which comprises drying a nonwoven fabric the liquid adheres Method for manufacturing nonwoven fabric. Leached liquid for extraction residue obtained by leaching coffee liquid extraction residue containing coffee liquid residual waste liquid with room temperature water or hot water heated to a temperature higher than normal temperature by 10 times or less by weight with respect to coffee liquid extraction residue When, a leachate tea shell obtained by leaching by heating water used tea leaves containing tea residual waste is heated to a temperature higher than room water or normal temperature of 10 times or less by weight with respect to the used tea leaves, separately Alternatively, a method for producing a nonwoven fabric for sanitary sheets that suppresses bacterial growth, comprising mixing and adhering to a nonwoven fabric, and drying the nonwoven fabric to which these liquids adhere. Leached with coffee liquid residual waste liquid separated from coffee liquid extraction residue and room temperature water 10 times or less by weight with respect to coffee liquid extraction residue containing coffee liquid residual waste liquid or heated water heated to a temperature higher than normal temperature tea obtained by leaching the leachate coffee extraction residue obtained by heating water heated to a temperature higher than room water or normal temperature of 10 times or less by weight with respect to the tea leaves containing tea residual waste Te A method for producing a nonwoven fabric for sanitary sheets, which suppresses the growth of bacteria, characterized in that the leachate from the shell is separately or mixed and adhered to the nonwoven fabric, and the nonwoven fabric to which these liquids are adhered is dried. Leached with coffee liquid residual waste liquid separated from coffee liquid extraction residue and room temperature water 10 times or less by weight with respect to coffee liquid extraction residue containing coffee liquid residual waste liquid or heated water heated to a temperature higher than normal temperature and leachate coffee extraction residue was collected using a tea residual waste separated from the tea leaves, heated to a temperature higher than room water or normal temperature of 10 times or less by weight with respect to the tea leaves containing tea residual waste and leachate tea shells obtained by leaching by heated water, separately or mixed and adhered to the nonwoven fabric, suppress sanitary sheets the growth of bacteria, which comprises drying the liquids are adhered nonwoven Method for manufacturing nonwoven fabric.   The nonwoven fabric is made of plastic fiber, plastic fiber waste material, rayon fiber, rayon fiber waste material, pulp, pulp waste material, polyamide fiber, polyamide fiber waste material, polyester fiber or polyester fiber waste material. The manufacturing method of the nonwoven fabric for sanitary sheets which suppresses the proliferation of the bacteria as described in any one of Claims 7 thru | or 10. Leachate for coffee extraction residue containing the coffee liquid residual effluent, according to any one of claims 7 to 10 the zinc content of the leaching solution in one liter, characterized in that at least 5μg bacteria The manufacturing method of the nonwoven fabric for sanitary sheets which suppresses proliferation. Brown shell, green tea used tea leaves, the growth of bacteria produced by the method according to any one of claims 8 to 10, characterized in that a used tea leaves or tea tea leaves or these two or more tea leaves of oolong tea Non-woven fabric for sanitary sheets to be suppressed.

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