JP5191666B2 - Deodorant polyester fabric, method for producing the same, and textile product - Google Patents

Description

  The present invention provides a deodorant polyester fabric having excellent deodorizing properties with respect to aldehydes, tobacco odors, and the like, without impairing the soft texture inherent in the polyester fabric, a method for producing the same, and the method The present invention relates to a textile product using a deodorant polyester fabric.

  Conventionally, as a method for imparting deodorizing properties to a polyester fabric made of polyester fibers, a method of attaching a deodorant made of a polyvinylamine compound or a hydrazide compound to a polyester fabric is known (for example, Patent Document 1, Patent Document). 2). Furthermore, in order to improve the deodorant durability, it has also been proposed to attach a cross-linked product of a hydrazide compound and a multifunctional product to the fiber surface (see, for example, Patent Document 3).

  However, such a deodorant polyester fabric has a problem that the soft surface touch and surface quality of the fabric are impaired by the deodorant attached thereto. Furthermore, although it exhibits excellent deodorizing properties at the beginning of use, there has been a problem that the deodorizing agent falls off and the deodorizing effect is reduced due to the fabric surface being rubbed during use.

Japanese Patent No. 3806491 Japanese Patent Laid-Open No. 9-273077 JP-A-9-78452

  The present invention has been made in view of the above-mentioned background, and its purpose is to provide an excellent deodorizing property against aldehydes and tobacco odors without damaging the soft texture inherent in the polyester fabric. An object of the present invention is to provide a deodorant polyester fabric that is often present, a method for producing the same, and a fiber product using the deodorant polyester fabric.

  As a result of diligent investigations to achieve the above object, the present inventor has made a deodorant to adhere to only one of the front side surface and the back side surface of the polyester fabric. The present invention has been conceived by finding that the deodorizing property is exhibited with good durability without impairing the soft texture it has, and by further intensive studies.

  Thus, according to the present invention, there is provided a “deodorant polyester fabric characterized in that a deodorant is attached only to one surface of the polyester fabric”.

  At that time, the deodorizer is selected from the group consisting of a hydrazide compound having a hydrazide group (a), a glycidyl compound having a glycidyl group, an isocyanate compound having an isocyanate group, and a carbodiimide compound having a carbodiimide group. It is preferable that it is a deodorizer consisting of the compound (b). The hydrazide compound (a) is preferably at least one selected from the group consisting of aliphatic carboxylic acid hydrazides and aromatic carboxylic acid hydrazides. The glycidyl compound is preferably any one selected from the group consisting of alkylene glycol diglycidyl ether, polyoxyalkylene glycol diglycidyl ether, and trimethylolpropane triglycidyl ether. The isocyanate compound is preferably a polyisocyanate compound having three or more isocyanate groups and having a number average molecular weight of more than 500.

  In the deodorant polyester fabric of the present invention, the polyester fabric is preferably composed of polyethylene terephthalate fibers. Further, the polyester fabric is a napped fabric comprising a napped portion and a ground tissue portion made of a cut pile and / or a loop pile, and the deodorant is attached only to the surface of the ground tissue portion side. preferable.

  In addition, according to the present invention, there is provided any textile product selected from the group consisting of a skin material for chairs and sofas, a carpet, a car seat, and interior goods, using the deodorant polyester fabric. The

  Further, according to the present invention, the deodorant polyester fabric is characterized in that after the deodorizer is applied to only one of the front surface and the back surface of the polyester fabric, the polyester is dried. A manufacturing method is provided.

  At that time, the deodorizer is selected from the group consisting of a hydrazide compound having a hydrazide group (a), a glycidyl compound having a glycidyl group, an isocyanate compound having an isocyanate group, and a carbodiimide compound having a carbodiimide group. It is preferable that it is a deodorizer containing the compound (b). The hydrazide compound (a) is preferably at least one selected from the group consisting of aliphatic carboxylic acid hydrazides and aromatic carboxylic acid hydrazides. The glycidyl compound is preferably any one selected from the group consisting of alkylene glycol diglycidyl ether, polyoxyalkylene glycol diglycidyl ether, and trimethylolpropane triglycidyl ether. The isocyanate compound is preferably a polyisocyanate compound having three or more isocyanate groups and having a number average molecular weight of more than 500. The functional group number ratio of the hydrazide group of the hydrazide compound (a) to the glycidyl group, isocyanate group or carbodiimide group of the compound (b) is in the range of 1: 0.9 to 1: 0.1 in the former: latter. It is preferable to be within. Moreover, it is preferable that the said polyester fabric is comprised with a polyethylene terephthalate fiber. Moreover, it is preferable that the said polyester fabric is a napping fabric comprised by a napping part and a ground-tissue part, Comprising: The said deodorizing agent has adhered only to the said ground-tissue part side surface.

  According to the present invention, odors that are the main components of synthetic adhesive odors used in various interior materials, tobacco odors and the like are excellent without deteriorating the soft texture inherent in polyester fabrics. Deodorant polyester fabric having good durability, a method for producing the same, and a fiber product using the deodorant polyester fabric are provided.

Hereinafter, embodiments of the present invention will be described in detail.
The deodorant polyester fabric of the present invention is a deodorant polyester fabric in which a deodorant is attached to a polyester fabric, and the deodorant adheres to only one of the front side surface and the back side surface of the polyester fabric. ing. The front side surface is a surface located on the outside air side when using the polyester fabric, and the back side surface is a surface located on the inside side when using the polyester fabric. Here, if the deodorant is attached only to the back side surface of the polyester fabric, the front side surface to which the deodorant is not attached has a soft texture, and at the same time, the deodorant is attached to the back side surface. Is preferable.

  In the present invention, the type of deodorant adhering to the polyester fabric is not particularly limited, but it has excellent deodorizing properties against aldehydes, which are the main components of synthetic adhesive odors used in various interior materials, and tobacco odors. Any one selected from the group consisting of a hydrazide compound (a) having a hydrazide group, a glycidyl compound having a glycidyl group, an isocyanate compound having an isocyanate group, and a carbodiimide compound having a carbodiimide group (b It is preferable that it is a deodorant consisting of.

  At that time, the hydrazide compound (a) is preferably at least one selected from the group consisting of aliphatic carboxylic acid hydrazides and aromatic carboxylic acid hydrazides. For example, oxalic acid dihydrazide, malonic acid dihydrazide, succinic acid dihydrazide, glutaric acid dihydrazide, adipic acid dihydrazide, pimelic acid dihydrazide, suberic acid dihydrazide, azelaic acid dihydrazide, sebacic acid dihydrazide, isophthalic acid dihydrazide Examples thereof include carboxylic acid trihydrazides such as carboxylic acid dihydrazide, citric acid trihydrazide, and pyromellitic acid trihydrazide, and pyromellitic acid tetrahydrazide. Particularly preferred are hydrazide compounds having two or more hydrazide groups.

  Examples of the glycidyl compound include ethylene glycol diglycidyl ether (for example, trade name Epolite 40-E, manufactured by Kyoeisha Chemical Co., Ltd.), polyethylene glycol diglycidyl ether (product names Epolite 100-E, 400-E, manufactured by Kyoeisha Chemical Co., Ltd.). Polyalkylene glycol glycidyl ethers such as are suitable.

  Moreover, as said isocyanate compound, the brand name Bernock DNW-5000 (made by Dainippon Ink Chemical Co., Ltd.) which has the aliphatic diisocyanate adduct of a polyhydric alcohol as a main component, brand name Aquanate 100, 210 (made by Nippon Polyurethane Co., Ltd.). A polyisocyanate compound having three or more isocyanate groups and having a number average molecular weight of more than 500 is preferred.

  Moreover, as a carbodiimide compound, brand name carbodilite SV-02, E-01, V-04 (made by Nisshinbo Co., Ltd.) etc. are preferable.

  When the hydrazide compound (a) and the compound (b) are cross-linked by the hydrazide group of the hydrazide compound (a) and the functional group (glycidyl group, isocyanate group or carbodiimide group) of the compound (b), a polyester fabric It is preferable that it adheres firmly to the surface.

  In the deodorant polyester fabric of the present invention, the polyester fiber constituting the fabric mainly contains at least one alkylene glycol selected from ethylene glycol, trimethylene glycol, and tetramethylene glycol, with terephthalic acid as the main dicarboxylic acid component. Polyester fibers made of polyester as the glycol component are suitable. Polyethylene terephthalate fiber is particularly preferable. The polyester may be copolymerized and / or blended with a third component as necessary.

  Furthermore, a matting agent, a fine pore forming agent (for example, organic sulfonic acid metal salt), a cationic dye dyeing agent (for example, sulfonium salt of isophthalic acid) as necessary within the range not impairing the object of the present invention. Etc.), antioxidants (eg, hindered phenolic antioxidants), heat stabilizers, flame retardants (eg, antimony trioxide), fluorescent brighteners, colorants, antistatic agents (eg, sulfonic acid) 1 type, or 2 or more types may be contained in the polyester fiber as additives, such as a metal salt), a hygroscopic agent (for example, polyoxyalkylene glycol).

  The form of the single fiber of the polyester fiber is not particularly limited, and may be a long fiber (multifilament) or a short fiber (staple). The cross-sectional shape of the single yarn fiber is appropriately selected from round, triangular, flat, hollow and the like according to the application. Although it does not specifically limit as a single yarn fiber of this fiber, It is preferable to exist in the range of 0.2-3 dtex. The number of filaments of the polyester fiber yarn is preferably in the range of 20 to 200.

The form of the polyester fabric is not particularly limited, but is preferably a woven fabric or a knitted fabric having a basis weight of about 50 to 800 g / m ² . Especially, it is a napping fabric comprised by the napping part and ground structure part which are typically shown in FIG. 1, Comprising: It is preferable that the said deodorizing agent has adhered only to the said ground structure part side surface. In this way, when a deodorant is attached only to the ground tissue part side surface and the napped part side surface is the front side surface (outside air side surface), a soft surface touch is exhibited and an excellent deodorizing effect is exhibited. . In addition, the deodorizing effect does not decrease even if the front side surface is abraded during use. The polyester fabric may be subjected to normal alkali weight loss processing or dyeing finish processing.

  The deodorant polyester fabric of the present invention can be produced, for example, by the following production method. That is, first, a polyester fabric is knitted and woven by a conventional method using polyester fibers. As such a polyester fabric, as described above, a napped fabric in which the polyester fabric is composed of a napped portion made of a cut pile and / or a loop pile and a ground tissue portion is preferable. Further, as described above, the polyester fabric may be subjected to normal alkali weight reduction processing or dyeing finishing processing.

  Next, a deodorant is applied to only one of the front side surface and the back side surface of the polyester fabric. As described above, the deodorant to be used is selected from the group consisting of a hydrazide compound (a) having a hydrazide group, a glycidyl compound having a glycidyl group, an isocyanate compound having an isocyanate group, and a carbodiimide compound having a carbodiimide group. It is preferable that it is a deodorizer containing any compound (b). As described above, the hydrazide compound (a) is preferably at least one selected from the group consisting of aliphatic carboxylic acid hydrazides and aromatic carboxylic acid hydrazides. The glycidyl compound is preferably any one selected from the group consisting of alkylene glycol diglycidyl ether, polyoxyalkylene glycol diglycidyl ether, and trimethylolpropane triglycidyl ether. The isocyanate compound is preferably a polyisocyanate compound having three or more isocyanate groups and having a number average molecular weight of more than 500. Furthermore, the ratio of the number of functional groups of the hydrazide group of the hydrazide compound (a) and the glycidyl group, isocyanate group or carbodiimide group of the compound (b) is 1: 0.9 to 1: 0.1 in the former: latter. It is preferable to be within the range. It is preferable that the functional group number ratio is within such a range because both excellent deodorizing properties and strong fixability of the deodorizer to the polyester fabric are compatible.

  Furthermore, a synthetic resin binder can be added to the deodorant when the fixing property is further strengthened or when a function for preventing hair loss is imparted. Such synthetic resin binders include urethane resins, acrylic resins, vinyl resins, melamine resins, urea resins and the like. For example, urethane resin (Hydran HW-930), acrylic resin (Boncoat R-3310), and vinyl resin (Evadic EP-11) can be used. Also, porous materials such as silicon dioxide, titanium dioxide, zinc oxide, aluminum oxide, zeolite, silica gel, activated carbon, etc., or metal oxides such as copper, zinc, silver, iron, aluminum, magnesium, nickel, cobalt, water Oxides, chlorides, and inorganic salts such as sulfates and nitrates are mixed with the above deodorizers as deodorizers for odor components other than aldehydes or as deodorant auxiliary components utilizing the adsorption capacity of odor components. There is no problem.

  The deodorizer, a resin binder added as necessary, and porous materials such as silicon dioxide, metal oxides, inorganic salts, and thickeners such as polyethylene glycol and hydroxyethyl cellulose are Examples include a method of preparing an aqueous solution or aqueous dispersion having a predetermined concentration and a predetermined viscosity, and applying to one surface of a polyester fabric by a gravure roll coater, a knife-on-roll coater, a floating knife coater, rotary printing, spraying, or the like. . In the application of the deodorant, the method is not limited to these methods as long as the deodorization is not exposed to the non-coated surface (the other surface).

Next, the polyester fabric coated with the deodorant is dried. As the drying method, it is preferable to dry in a chamber heated to a temperature of 100 to 140 ° C. for 1 to 10 minutes. Further, the deodorant is selected from the group consisting of the hydrazide compound (a) having a hydrazide group, the glycidyl compound having a glycidyl group, the isocyanate compound having an isocyanate group, and the carbodiimide compound having a carbodiimide group as described above. In the case of a deodorant containing any one of the compounds (b), the hydrazide group of the hydrazide compound (a) and the functional group of the compound (b) (that is, a glycidyl group, an isocyanate group or a carbodiimide group) are cross-linked. Heat treatment is performed at a temperature of 150 to 180 ° C. for 1 to 5 minutes. The adhesion amount of the deodorant is preferably in the range of 0.1 to 50 g / m ² , more preferably 1 to 10 g / m ² with respect to the surface area of the polyester fabric. Further, as schematically shown in FIG. 2, in the thickness direction of the polyester fabric, the ratio of the thickness h2 of the portion where the deodorant is attached to the total thickness h1 of the polyester fabric (= h2 / h1 × 100 (%)) ) Varies depending on the magnitude of h1, but is preferably in the range of 0.001 to 80%.

  In the deodorant polyester fabric thus obtained, the deodorant is attached to only one of the front surface and the back surface of the polyester fabric, so that the soft texture inherent to the polyester fabric is impaired. Without deteriorating aldehydes, which are the main components of synthetic adhesive odors used in various interior materials, tobacco odors, etc., with excellent durability. In particular, it is preferable that the polyester fabric is a napped fabric composed of napped portions and a ground tissue portion, and that the deodorant is adhered only to the surface of the ground tissue portion side, and the effect is remarkable.

  Next, according to the present invention, there is provided any textile product selected from the group consisting of a skin material for a chair or a sofa, a carpet, a car seat, and an interior product, using the raised fabric. Since the above-mentioned napped fabric is used, the fiber product has excellent deodorizing property and good durability without impairing the soft texture.

Next, although the Example and comparative example of this invention are explained in full detail, this invention is not limited by these. In addition, each measurement item in an Example was measured with the following method.
(1) Aldehyde deodorant A 6-liter glass bottle containing 70 ppm of acetaldehyde encloses a fabric sample of 5 cm in length and 5 cm in width, with the napped surface on the outside and the deodorant adhering surface double-folded on the inside and the periphery sewn. The residual concentration of acetaldehyde after 120 minutes was measured with a gas detector tube (Detector tubes No. 92M and No. 92L manufactured by Gastec).
(2) As a substitute characteristic of chalk mark fabric quality, scratch the raised surface of the fabric sample with the tip of an unsharp pencil and observe the way the chalk mark comes out. It was.
(3) Deodorant sticking ratio The cross section of the fabric sample was magnified 100 times with a microscope (manufactured by Keyence Corporation), and the thickness h2 of the portion where the deodorant was adhered from the ground surface side (back side surface) The ratio of the polyester fabric to the total thickness h1 (= h2 / h1 × 100 (%)) was measured and used as the deodorant fixing ratio.
(4) Thickness of fabric The thickness of the fabric was measured according to JIS L1018.
(5) Fabric basis weight The mass per unit area of the fabric was measured according to JIS L1018 to obtain the basis weight.
(6) Texture The texture was subjected to sensory evaluation by three testers.

[Examples 1 and 2, Reference Examples 1 to 10 , Comparative Example 1]
Using 84 dtex / 36 filaments of polyethylene terephthalate multifilament as the raised fiber, while using 145 dtex / 60 filaments of polyethylene terephthalate multifilament as the fiber for ground structure, After knitting the tricot knitted fabric, the loop pile portion is cut and raised, and the entire thickness is 1.9 to 2.0 mm, the napped length L is 1.4 to 1.5 mm, and the basis weight is 400 g / m ² . A raised fabric was obtained.

Next, as shown in Tables 1 and 2, the deodorant composition was adjusted to a hydrazide solid content adhesion amount of 3 g / m ² by a gravure roll coater, knife-on-roll coater, floating, knife coater, and impregnation / squeezing. It was evaluated by attaching it from the surface side of the ground tissue portion of the first standing blank fabric and drying it at a temperature of 110 ° C. for 5 minutes. The evaluation results are shown in Tables 1 and 2. The amounts of chemicals used in Tables 1 and 2 are shown as the number of parts relative to 100 parts by weight of the total amount of the mixture. The functional group ratios in Table 1 and Table 2 indicate the molar ratio of each functional group to hydrazide. For hot watering, 400 mL of 80 ° C. hot water was put into a 500 mL glass beaker, and a fabric sample of 10 cm in length and 5 cm in width was immersed for 3 minutes with gentle stirring, and then naturally dried. Moreover, the explanation of the drug used is as follows.

ADH: adipic acid dihydrazide IDH: isophthalic acid dihydrazide epolite 40-E: ethylene glycol diglycidyl ether (Kyoeisha Chemical)
Vernock DNW-5000: Aliphatic polyisocyanate having a molecular weight of 500 or more (Dainippon Ink and Chemicals)
Carbodilite V-04: Polycarbodiimide aqueous solution (Nisshinbo)
Hydran HW-930: Polyurethane aqueous dispersion (Dainippon Ink & Chemicals)
Boncoat VE: Poly (meth) acrylic ester emulsion (Dainippon Ink & Chemicals)

Further, by using the raised fabric (polyester fabric) obtained in Reference Example 1, a car seat fabric was obtained so that the raised portion side surface was the front surface (that is, the ground texture portion surface was the back surface). In the car seat, the deodorant adhered only to the back side surface (the surface of the ground texture portion) and not to the front side surface (the surface of the raised portion), so that a soft texture was exhibited.

  According to the present invention, the polyester fabric has an excellent resistance to aldehydes and tobacco odors, which are the main components of synthetic adhesive odors used in various interior materials, without impairing the soft texture inherent in polyester fabrics. A deodorant polyester fabric having good odor properties, a method for producing the deodorant polyester fabric, and a fiber product using the deodorant polyester fabric are obtained, and its industrial value is extremely large.

It is a figure which shows typically the napped fabric comprised by a napped part and a ground tissue part. It is explanatory drawing for demonstrating the adhering ratio of a deodorizer.

Explanation of symbols

1: Raised portion 2: Raised portion side surface 3: Ground tissue portion side surface

Claims (10)

Deodorant adheres only to one surface of the polyester fabric,
The deodorant is a deodorant comprising a hydrazide compound having a hydrazide group and a polyisocyanate compound having three or more isocyanate groups and having a number average molecular weight of more than 500. Polyester fabric. The deodorant polyester fabric according to claim 1, wherein the hydrazide compound is at least one selected from the group consisting of aliphatic carboxylic acid hydrazides and aromatic carboxylic acid hydrazides. The deodorant polyester fabric according to claim 1 or 2 , wherein the polyester fabric is composed of polyethylene terephthalate fibers. The extinguishing according to any one of claims 1 to 3 , wherein the polyester fabric is a raised fabric comprising a raised portion and a ground tissue portion, and the deodorant is attached only to the surface of the ground tissue portion. Odorous polyester fabric. Any one textile product selected from the group which consists of the skin material of a chair or a sofa, a carpet, a car seat ground, and interior goods which uses the deodorant polyester fabric of Claim 4 . A method for producing a deodorant polyester fabric in which a deodorant is applied to only one of a front surface and a back surface of a polyester fabric , and then the polyester fabric is dried.
The deodorant is a deodorant comprising a hydrazide compound having a hydrazide group and a polyisocyanate compound having three or more isocyanate groups and a number average molecular weight of greater than 500. A method for producing a polyester fabric. The deodorization according to claim 6 , wherein the functional group number ratio between the hydrazide group of the hydrazide compound and the isocyanate group of the polyisocyanate compound is in the range of 1: 0.9 to 1: 0.1 in the former: the latter. For producing a conductive polyester fabric. The method for producing a deodorant polyester fabric according to claim 6 or 7 , wherein the hydrazide compound is at least one selected from the group consisting of an aliphatic carboxylic acid hydrazide and an aromatic carboxylic acid hydrazide. The method for producing a deodorant polyester fabric according to any one of claims 6 to 8 , wherein the polyester fabric is composed of polyethylene terephthalate fibers. The extinguisher according to any one of claims 6 to 9 , wherein the polyester fabric is a raised fabric comprising a raised portion and a ground tissue portion, and the deodorant is attached only to the surface of the ground tissue portion. Method for producing odorous polyester fabric.

Images