JP4889955B2 - Bleach composition - Google Patents

Description

  The present invention relates to a bleaching composition suitable for foam coating.

  Oxygen-based liquid bleaching agent based on hydrogen peroxide is preferred because it can be used for colors and patterns, and it can be applied directly to dirt. In particular, it is a trigger type that applies liquid in the form of foam. Is very useful from the standpoint of ease of use, such as being difficult to drip and not dirtying hands, in addition to simplicity. As other dosage forms equipped with a foam formation mechanism, a squeeze foamer (Patent Document 6, FIG. 3 etc.) type is commercially available. There is a problem that it is difficult to control.

  In addition, oxygen-based liquid bleach is generally washed with a weak alkaline detergent in a washing machine, or applied directly to dirt and then washed with a weak alkaline detergent in a washing machine. The reality is that the level is not satisfactory.

Patent Document 1 discloses a bleaching agent having excellent storage stability by reducing the content of acetic acid contained in a phosphonic acid sequestering agent. Patent Document 2 discloses a pretreatment agent that improves the decolorization of clothing by incorporating a specific acid as a pH buffering agent. Patent Document 3 discloses a bleaching agent containing a foaming mechanism and containing a foaming mechanism and containing a defoaming component and having excellent foam physical properties. Patent Document 4 discloses a liquid composition containing a spray-type dispenser containing a peroxygen bleach and a surfactant. Patent Document 5 discloses a bleaching agent for hard surfaces containing an alkyl glucoside.
Japanese Patent No. 3354836 JP 2001-522932 A Japanese Patent Laid-Open No. 11-100594 Japanese National Patent Publication No. 11-500778 JP-A-5-156293 JP 2004-76006 A

  The bleaching compositions described in Patent Documents 1 and 2 contain specific organic acids such as acetic acid and lactic acid, so that the effect of inhibiting the decomposition of hydrogen peroxide and the effect of improving decolorization can be seen, but the bleaching effect still remains. It was not satisfactory.

  In addition, the spray type bleaching agents described in Patent Documents 3 to 5 can spray directly on clothes, and some of them are discharged in the form of foam, but there is a problem that a satisfactory level of bleaching effect cannot be obtained. It was.

  An object of the present invention is to provide an oxygen-based bleach composition that achieves both simplicity and excellent bleaching performance. Furthermore, it is providing the bleaching detergent composition from which the outstanding bleaching effect is acquired by making it adhere in foamy form to bleaching objects, such as clothing.

  The present invention comprises (a) hydrogen peroxide [hereinafter referred to as component (a)] 0.1 to 6% by mass, (b) one or more selected from anionic surfactants, alkanol amides, amine oxides, and betaines. Surfactant [hereinafter referred to as component (b)] 0.1 to 3% by mass, (c) One or more selected from the group consisting of acetic acid, lactic acid, glycolic acid, and salts thereof [hereinafter referred to as component (c) And (d) a bleaching composition containing water, having a pH of 2.5 to 7.0 and a viscosity of 3 to 20 mPa · s at 20 ° C., and having a foam formation mechanism The present invention relates to a bleaching composition that is used by being filled in a container equipped with a sprayer.

  The present invention also relates to a bleach product obtained by filling the above-described bleach composition of the present invention into a container having a trigger sprayer having a foam formation mechanism.

  The present invention also relates to a bleaching method in which the above-described bleaching composition of the present invention is caused to act in a foamy manner on a bleaching target using a trigger sprayer having a foam formation mechanism.

  According to the present invention, a liquid oxygen bleach composition excellent in convenience and bleaching performance is provided. Since the bleaching agent composition of the present invention is excellent in foaming properties, it is particularly preferred that the bleaching composition is used in a foamy state so as to act on the object to be bleached. The bleaching composition of the present invention is suitable for textile products such as clothing.

<Liquid bleach composition>
The bleaching composition of the present invention contains hydrogen peroxide, which is an easy-to-use bleaching base, as component (a). The content of component (a) is 0.1 to 6% by mass, preferably 0.3 to 6% by mass, and more preferably 0.5 to 5% by mass in order to obtain excellent bleaching performance. .

  The bleaching composition of the present invention contains at least one surfactant selected from anionic surfactants, alkanol amides, amine oxides, and betaines, which is a foam booster with a stable foam film, as component (b). To do. Preferred anionic surfactants include fatty acid salts having 8 to 18 carbon atoms, preferably 10 to 16 carbon atoms, particularly preferably 10 to 15 carbon atoms, linear or branched alkyl (8 to 18 carbon atoms) benzenesulfonic acid salts, Alkyl (8 to 18 carbon atoms) sulfate or alkenyl (8 to 18 carbon atoms) sulfate, olefin (8 to 18 carbon atoms) sulfonate, polyoxyalkylene alkyl or alkenyl having 1 to 6 average added moles of alkylene oxide Ether sulfate (alkyl group or alkenyl group having 8 to 18 carbon atoms), alkane (carbon number 8 to 18) sulfonate, α-sulfo fatty acid salt (carbon number 8 to 18), α-sulfo fatty acid ester salt (preferably Is an ester salt of an α-sulfo fatty acid having 8 to 18 carbon atoms and an alcohol having 1 to 2 carbon atoms), alkyl (8 to 18 carbon atoms) glyceryl ether. Rusuruhon acid salts. Among these, alkyl (10 to 15 carbon atoms) benzene sulfonate, α-olefin (10 to 15 carbon atoms) sulfonate, and α-sulfo fatty acid ester salt (preferably α-carbon having 10 to 15 carbon atoms). An ester salt of a sulfo fatty acid and a C1 alcohol is preferred. These anionic surfactants can be used alone or in combination of two or more. As the salt of the anionic surfactant, sodium salt, potassium salt, ammonium salt and alkanolamine salt are preferable from the viewpoint of storage stability.

As an example of the alkanolamide of this invention, what is shown to following General formula (1) is suitable.
R ^1a -CON-R ^1b (R ^1c OH) (1)
[Wherein, R ^1a —CO— represents an acyl group having a hydrocarbon group having 8 to 18 carbon atoms, R ^1b represents a methyl group or an ethyl group, and R ^1c represents an alkylene group or an alkenylene group having 1 to 3 carbon atoms. It is. ]

In the general formula (1), R ^1a —CO— is an acyl group having 8 to 18 carbon atoms (referred to as an acyl group for convenience), and R ^1a is a saturated or unsaturated hydrocarbon group. preferable. Preferred specific examples of R ^1a —CO— include octanoic acid, decanoic acid, dodecanoic acid, tetradecanoic acid, hexadecanoic acid, octadecanoic acid, docosanoic acid, linoleic acid, 2-ethylhexanoic acid, 2-octylundecanoic acid, isostearic acid, Examples include acyl groups derived from oleic acid, and particularly preferred are acyl groups derived from octanoic acid, decanoic acid, dodecanoic acid, tetradecanoic acid, hexadecanoic acid, octadecanoic acid, and oleic acid. In the present invention, the acyl group may have a single alkyl group or alkenyl group, but the fatty acid corresponding to R ^1a —CO— is a mixed fatty acid, and the cleaning effect and foaming power From the point of view, it is preferable. A preferable mixed fatty acid composition is the following composition as mass% in the fatty acid. In addition, although it does not interfere even if it contains other fatty acids, it is desirable from the point of storage stability that it is prepared so that the total mass of the fatty acid shown below may be 100 mass%. Caprylic acid; 1-10% by mass, preferably 3-6% by mass, capric acid; 1-12% by mass, preferably 3-7% by mass, lauric acid; 44-60% by mass, preferably 44-55% by mass , Myristic acid; 10-22% by mass, preferably 10-17% by mass, palmitic acid; 4-10% by mass, preferably 6-10% by mass, stearic acid; 0-10% by mass, preferably 1-7% by mass %, Oleic acid; 0 to 17% by mass, preferably 1 to 17% by mass.

Moreover, in General formula (1), R ^<1b> is a methyl group or an ethyl group, Preferably it is a methyl group from the point of a cleaning effect, foaming property, and storage stability. R ^3c is an alkylene group having 1 to 3 carbon atoms or an alkenylene group, and is preferably a linear or branched alkylene group having 2 or 3 carbon atoms from the viewpoint of the cleaning effect.

  Preferred specific examples of the alkanol amide include N-ethanol-N-methyloctanoic acid amide, N-ethanol-N-methyldecanoic acid amide, N-ethanol-N-methyldodecanoic acid amide, N-ethanol-N-methyltetradecanoic acid amide, N-ethanol-N-methylhexadecanoic acid amide, N-ethanol-N-methyloctadecanoic acid amide, N-isopropanol-N-ethyldodecanoic acid amide, N-ethyl-N-isopropanol oleic acid amide, N-ethyl-N- Mention may be made of isopropanol isostearamide, N-ethanol-N-methyl coconut fatty acid amide, N-ethanol-N-methyl palm kernel fatty acid amide.

  As an example of the amine oxide of this invention, what is shown to following General formula (2) is suitable.

[Wherein R ^2a is a linear alkyl group or alkenyl group having 8 to 16 carbon atoms, preferably 10 to 16 carbon atoms, particularly preferably 10 to 14 carbon atoms, and R ^2c and R ^2d are alkyl groups having 1 to 3 carbon atoms. Or it is a hydroxyalkyl group. R ^2b is an alkylene group having 1 to 5 carbon atoms, preferably 2 or 3 carbon atoms. Y is a group selected from —COO—, —CONH—, —OCO—, —NHCO—, and —O—, and m is 0 or 1, preferably 1. ]

  As an example of betaine of this invention, what is shown to following General formula (3) is suitable.

[Wherein R ^3a is an alkyl group or alkenyl group having 9 to 23 carbon atoms, preferably 9 to 17 carbon atoms, particularly preferably 10 to 16 carbon atoms, and R ^3b is 1 to 6 carbon atoms, preferably 1 to 4 carbon atoms, particularly Preferably it is 2 or 3 alkylene groups. V is a group selected from —COO—, —CONH—, —OCO—, —NHCO—, and —O—, and k is a number of 0 or 1, preferably 0. R ^3c and R ^3d are an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group, preferably a methyl group, an ethyl group or a hydroxyethyl group, and R ^3e is 1 to 1 carbon atoms which may be substituted with a hydroxy group. 5, preferably 1 to 3 alkylene groups. D is, -SO ₃ ^-, -OSO ₃ ^- is a group selected from, in particular -SO ₃ ^- is good in terms of the bleaching detergent effect. ]

  As an example of the more preferable betaine of this invention, alkyl (C12-C14) sulfobetaine is mentioned.

  (B) Content of a component is 0.01-3 mass% from a foamable viewpoint, Preferably, it is 0.1-2.5 mass, More preferably, it is 0.5-2 mass%.

  The bleaching composition of this invention contains 1 or more types chosen from the group which consists of acetic acid, lactic acid, glycolic acid, and those salts as (c) component. In the present invention, in the composition containing the component (b) which is a foam booster agent, by adjusting the viscosity using a specific acid (or a salt thereof) of the component (c) which is difficult to cause decomposition of hydrogen peroxide, Foaming property is improved, and furthermore, excellent bleaching power can be obtained by directly adhering the foam to dirt. Although the present invention has been completed based on such knowledge, no special knowledge that leads to the present invention can be obtained from the above prior art.

  Examples of the salt of component (c) include alkali metal salts (for example, Na salt, K salt), alkaline earth metal salts (Mg salt, Ca salt), ammonium salts, alkanolamine salts, etc., especially alkali metal salts. Is preferred.

  In the bleaching composition of the present invention, the content of the component (c) is 0.001 to 2% by mass, more preferably 0.01 to 1.7% by mass, from the viewpoint of hydrogen peroxide stability and bleaching performance. Especially 0.02-1 mass% is suitable.

  The bleaching composition of the present invention preferably contains a surfactant other than the component (b) [hereinafter referred to as the component (e)] for the purpose of enhancing the washing bleaching effect. In particular, nonionic surfactants are preferred, and among them, HLB, which is an index of hydrophilicity / hydrophobicity of surfactants, is 10 to 15, preferably 11 to 14.5, particularly preferably 11.5 to 14. is there. Here, when the polyoxyethylene alkyl ether type nonionic surfactant is used for the HLB, the Griffin method is adopted. In addition, non-ionic surfactants for which HLB cannot be determined by the Griffin method are determined by experiments. As the experimental method, the method described in “Surfactant Handbook” Sangyo Tosho Co., Ltd., edited by Ichiro Nishi et al., 5th edition, January 10, 1966, page 319 can be employed. In addition, when a plurality of nonionic surfactants are mixed, the HLB value has an additivity, so it can be obtained by a weighted average, and the weighted average value falls within the preferred HLB value range. Just enter.

  More specifically preferred nonionic surfactants include compounds represented by the following general formula (4).

^R4a- T-[( ^R4bO ) _q- H] _r (4)
[Wherein, R ^4a is a hydrocarbon group having 10 to 16 carbon atoms, preferably 10 to 14 carbon atoms, more preferably an alkyl group having 10 to 14 carbon atoms, and R ^4b is an ethylene group or a propylene group, preferably an ethylene group. T is a group selected from -O-, -COO-, -CON <, -N <, and q and r are selected so as to fall within the range of the HLB of the present invention. r is a number of 1 when T is —O— or —COO—, and is a number of 2 when T is —CON <or —N <, and T is —O— or — In the case of COO-, q is 4 to 16, preferably 5 to 14, more preferably 6 to 10, and when T is -CON <or -N <, q is 2 to 8, preferably 2-7, more preferably 3-6 are suitable. ]

  As a more specifically preferable example of the polyoxyethylene alkyl ether type nonionic surfactant, one or more selected from a compound of the following general formula (4-1) and a compound of the following general formula (4-2) are preferable. It is.

R ^4c —O— (C ₂ H ₄ O) _x —H (4-1)
[Wherein, R ^4c represents an alkyl group having 10 to 14 carbon atoms. x is a number from 4 to 12, preferably from 5 to 10, particularly preferably from 6 to 8.5. ]
_{^{R 4d -O - [(C 2}} H 4 O) t / (C 3 H 6 O) s] -H (4-2)
[Wherein, R ^4d represents an alkyl group having 10 to 14 carbon atoms. t and s are each independently a number of 2 to 12, and t + s is a number of 4 to 12, preferably 5 to 10. Further, ethylene oxide (C ₂ H ₄ O) and propylene oxide (C ₃ H ₆ O) may be random or block adducts. ]

  Preferred examples of the polyoxyethylene alkyl ether type nonionic surfactant of the present invention include polyoxyethylene myristyl ether and polyoxyethylene lauryl ether.

  The content of the component (e) in the bleaching composition of the present invention is preferably 0.1 to 20% by mass, more preferably 0.5 to 15% by mass, and particularly preferably 1 to 10% by mass.

  The bleaching composition of the present invention preferably contains a hydrophilic organic solvent (hereinafter referred to as component (f)) for the purpose of enhancing foamability and washing bleaching effect. Specific examples of the component (f) include ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monobutyl ether, dipropylene glycol monobutyl ether, ethylene glycol monopentyl ether, diethylene glycol monopentyl ether, propylene glycol monopentyl. Ether, dipropylene glycol monopentyl ether, ethylene glycol monohexyl ether, diethylene glycol monohexyl ether, propylene glycol monohexyl ether, dipropylene glycol monohexyl ether, glycol monophenyl ether, diethylene glycol monophenyl ether, triethylene glycol monophenyl Nyl ether, pentyl glyceryl ether, hexyl glyceryl ether, heptyl glyceryl ether, octyl glyceryl ether, 2-ethylhexyl glyceryl ether, pentyl diglyceryl ether, hexyl diglyceryl ether, heptyl diglyceryl ether, octyl diglyceryl ether, 2-ethylhexyl diglyceryl ether And ethanol.

  Of these, diethylene glycol monobutyl ether, glycol monophenyl ether, diethylene glycol monophenyl ether, and triethylene glycol monophenyl ether are particularly preferred in the present invention.

  The content of the component (f) in the bleaching composition of the present invention is preferably 0.01 to 3% by mass, more preferably 0.05 to 2.5% by mass, from the viewpoint of enhancing foamability. 2% by mass is more preferable.

  The bleaching composition of the present invention is in the form of a liquid composition such as an aqueous solution in which the components (a) to (c) and the optional component are dissolved in the water of the component (d). Ion exchange water from which metal dissolved in water is removed, or distilled water is preferable from the viewpoint of storage stability. (D) Content of component becomes like this. Preferably it is 75-98 mass%, More preferably, it is 80-95 mass%.

  The bleaching composition of the present invention preferably has a pH at 20 ° C. of 2.5 to 7.0, more preferably 3.0 to 6.5, and still more preferably 3.5 to 6. As a pH adjuster for adjusting to such pH, acid agents such as inorganic acids such as hydrochloric acid and sulfuric acid, organic acids other than the component (c) such as tartaric acid and maleic acid, sodium hydroxide and potassium hydroxide, It is preferable to use an alkali agent such as sodium carbonate or potassium carbonate alone or in combination, such as ammonia and its derivatives, amine salts such as monoethanolamine, diethanolamine, and triethanolamine, and particularly an acid selected from hydrochloric acid and sulfuric acid. The use of an alkali agent selected from sodium hydroxide and potassium hydroxide is preferred from the viewpoint of the stability of the composition. The pH is measured using a pH meter F52 manufactured by HORIBA, Ltd. and a pH electrode 6367-10D.

  The bleaching composition of the present invention has a viscosity at 20 ° C. of 3 to 20 mPa · s in order to obtain a smooth spray operation, a sufficient liquid flow rate / flow rate, and good foaming properties. Preferably it is 3-10 mPa * s, More preferably, it is 3-8 mPa * s.

  The viscosity of the bleaching composition of the present invention is measured as follows. To the B-type viscometer manufactured by Tokyo Keiki Co., Ltd., the rotor number no. Prepare the one with 1 Place the bleach composition in a tall beaker, set the bleach composition adjusted to 20 ° C. in a constant temperature bath at 20 ° C. on the viscometer, set the rotation speed of the rotor to 60 rpm, and 60 seconds after starting rotation. The viscosity is defined as the viscosity of the present invention.

  In order to adjust to such a viscosity, a viscosity adjusting agent can be mix | blended in this invention. As the viscosity modifier, (i) an alkyl group having 1 to 3 carbon atoms, or benzenesulfonic acid which may be substituted with 1 to 3 hydroxy groups, (ii) polyethylene glycol or polypropylene glycol having a molecular weight of 3000 to 100,000, (Iii) a sugar polymer compound selected from xanthan gum, guar gum, and carboxymethyl cellulose, (iv) an alkyl group or alkenyl group having 12 to 20 carbon atoms, preferably 14 to 18 carbon atoms, and an average addition mole number of 60 to 200, preferably A nonionic surfactant having 100 to 200 polyoxyethylene chains, and (v) a reaction product of the nonionic surfactant of (iv) with a diepoxy compound such as vinylcyclohexene diepoxide, etc. it can. The content of such a viscosity modifier in the composition is 0 to 5% by mass, preferably 0.01 to 3% by mass.

  The bleaching composition of the present invention can contain a sequestering agent [hereinafter referred to as component (g)] for the purpose of improving the bleaching effect. For example, (1) phosphoric acid compounds such as phytic acid or alkali metal salts or alkanolamine salts thereof, (2) ethane-1,1-diphosphonic acid, ethane-1,1,2-triphosphonic acid, 1-hydroxy Ethylidene-1,1-diphosphonic acid (ethane-1-hydroxy-1,1-diphosphonic acid) and its derivatives, ethanehydroxy-1,1,2-triphosphonic acid, ethane-1,2-dicarboxy-1,2 -Phosphonic acid such as diphosphonic acid, methanehydroxyphosphonic acid or alkali metal salt or alkanolamine salt thereof, (3) 2-phosphonobutane-1,2-dicarboxylic acid, 1-phosphonobutane-2,3,4-tricarboxylic acid, phosphonocarboxylic acids such as α-methylphosphonosuccinic acid or alkali metal salts or alkanolamine salts thereof, (4) aspartic acid, glutamic acid, Amino acids such as lysine or alkali metal salts or alkanolamine salts thereof, (5) nitrilotriacetic acid, iminodiacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, glycol etherdiaminetetraacetic acid, hydroxyethyliminodiacetic acid, triethylenetetramine 6 Aminopolyacetic acid such as acetic acid and diencoric acid or alkali metal salt or alkanolamine salt thereof, (6) diglycolic acid, oxydisuccinic acid, carboxymethyloxysuccinic acid, citric acid, lactic acid, tartaric acid, oxalic acid, malic acid, oxydisuccinic acid Organic acids such as gluconic acid, carboxymethyl succinic acid, carboxymethyl tartaric acid, or alkali metal salts or alkanolamine salts thereof, (7) alkali metal salts of aluminosilicate represented by zeolite A, Alkanolamine salts, and (8) aminopoly (methylenephosphonic acid) or its alkali metal salts or alkanolamine salts or polyethylene polyamine (methylene phosphonic acid) or alkali metal salts or alkanolamine salts thereof.

  Among these, at least one selected from the group consisting of (2), (5), (6) and (7) is preferable, and at least one selected from the group consisting of (2) is more preferable. The content of the sequestering agent is preferably 0.005 to 5% by mass, more preferably 0.01 to 2% by mass.

  The bleaching composition of the present invention further comprises, as other components, bleach activators, fluorescent brighteners, fragrances, coloring agents such as dyes and pigments, recontamination preventing agents, silicones, hydrotropes, and bactericides. In addition, known components that can be usually added to a bleaching agent such as an antibacterial agent, an ultraviolet absorber, and a bleaching base stabilizer can be included.

  As the bleach activator, an alkanoyloxybenzene type bleach activator is preferable, and alkanoyloxybenzenesulfonic acid having an alkanoyl group having 8 to 14 carbon atoms, preferably 8 to 13 carbon atoms or 8 to 14 carbon atoms, preferably 8 carbon atoms. Alkanoyloxybenzenecarboxylic acids having -13 alkanoyl groups or their salts are preferred. More specifically, preferred examples include octanoyloxy-p-benzenesulfonic acid, nonanoyloxy-p-benzenesulfonic acid, 3,5,5-trimethylhexanoyloxy-p-benzenesulfonic acid, decanoyloxy-p-benzene. Sulfonic acid, dodecanoyloxy-p-benzenesulfonic acid, octanoyloxy-o- or -p-benzenecarboxylic acid, nonanoyloxy-o- or -p-benzenecarboxylic acid, 3,5,5-trimethylhexanoyloxy- o- or -p-benzenecarboxylic acid, decanoyloxy-o- or -p-benzenecarboxylic acid, dodecanoyloxy-o- or -p-benzenecarboxylic acid, and salts thereof. As the salt, sodium salt, potassium salt, and magnesium salt are preferable, and sodium salt is particularly preferable from the viewpoint of solubility.

  Among these, nonanoyloxy-p-benzenesulfonic acid, decanoyloxy-p-benzenecarboxylic acid, dodecanoyloxy-p-benzenesulfonic acid and salts thereof are particularly preferable from the viewpoint of bleaching effect.

  The bleaching agent composition of the present invention contains 0 to 5% by weight, preferably 0.01 to 3% by weight, particularly preferably 0.1 to 1% by weight of the bleach activator.

  The silicone content is preferably less than 0.5% by mass from the viewpoint of foamability.

<Bleach product>
The bleaching composition of the present invention can provide an excellent washing and bleaching effect by allowing bubbles to directly act on dirt. For this reason, it is preferable to make it act on foam to be bleached, and it is more preferable to use it as a bleach product in a container filled with a container having a trigger sprayer having a foam formation mechanism.

  As trigger type sprayers that can be used in the present invention, FIGS. 1 and 2 of Japanese Patent Application Laid-Open No. 2004-76006, FIGS. 1 and 2 of Japanese Patent Application Laid-Open No. 11-100594, FIGS. 1 to 6 of Japanese Utility Model No. 3044068, JP-A 2000-185247 FIGS. 1-9, JP-A 2001-334178 FIGS. 1-10 trigger, JP-A 2002-20266, JP-A 7-256162, JP-A 8-71463, JP-A-9 Reference can be made to -285746, JP-A-10-85637, JP-A-7-9451, and JP-A-7-9452.

In this invention, after making the foam formed from the said bleaching composition of this invention adhere to clothing, it wash | cleans with a general weak alkaline detergent. Adhesion amount of foam is 0.1 to 1 g / cm ^2, preferably preferred for the purpose of obtaining a high bleaching effect is 0.1 to 0.5 g / cm ^2. Moreover, after making foam adhere, it is suitable to wash | clean after leaving for 1 to 600 minutes, Preferably it is 3 to 300 minutes, Most preferably, it is 5 to 60 minutes.

<Blending ingredients>
The components used in the following examples and comparative examples are as follows. The liquid bleach composition of Table 1 was prepared using these, and the following evaluation was performed. The results are shown in Table 1.

Hydrogen peroxide b-1 linear alkyl (carbon number 11-15) sodium benzenesulfonate b-2; α-olefin (carbon number 14-18) sodium sulfonate b-3; Lauryl sulfobetaine / c-1; acetic acid / c-2; sodium lactate / c-1 ′; citric acid / d-1; ion-exchanged water / e-1; polyoxyethylene myristyl ether (ethylene oxide average addition mole number 9, HLB13.0)
E-2: Polyoxyethylene lauryl ether (ethylene oxide average addition mole number 6.5, HLB12.2)
F-1; diethylene glycol monophenyl ether; g-1; DAIQuest 2010 (Dorquest manufactured by Solusia), 1-hydroxyethylidene-1,1-diphosphonic acid

(1) Evaluation method of foaming property In a 200 ml plastic measuring cylinder (inner diameter 40 mm), a commercially available trigger container (attack and foam spray manufactured by Kao Corporation / Manufacturing lot number: W1410474, 0.1 per stroke. Spray 8g, spray the liquid bleach composition of Table 1 10 times using the same after removing the contents, washing with water several times, filling the composition with dry), and using the composition at that time From the mass and the volume of foam, foamability (ml / g) was calculated from the following calculation formula (1-1).
Foaming property (ml / g) = foam volume (ml) / amount of composition (g) (1-1)

(2) Method for evaluating bleaching performance Using the trigger container used in (1) above filled with each composition, each of the four curry-contaminated cloths prepared below was sprayed once to foam the composition. After being applied for 5 minutes at 20 ° C., washed with a tartometer using a commercial detergent solution with a concentration of 0.0667% by weight (80 rpm × 10 minutes), rinsed with tap water and dried. The bleaching rate was determined by the formula. Table 1 shows the average value of the bleaching rate of the four soiled cloths.

  The reflectance was measured using NDR-10DP manufactured by Nippon Denshoku Industries Co., Ltd. using a 460 nm filter.

* Preparation of curry-contaminated cloth After removing the solid content of retort curry made by Nagatanien (Soreike! Anpanman Mini Pack / Contents 100g (50g x 2 bags) / Manufacturing Lot Number: WT 1234) with a mesh, boil the resulting liquid Until heated. Cotton gold cloth # 2003 was immersed in this solution and boiled for about 15 minutes. After removing from the fire for about 2 hours and leaving to room temperature, the cloth was taken out, the excess curry liquid was removed with a spatula and allowed to dry naturally. Thereafter, it was pressed and subjected to an experiment as a test cloth of 10 cm × 10 cm.

  From the above results, foaming properties are improved and a high washing bleaching effect can be obtained by combining the components (b) and (c) in the system containing the component (a) of the present invention. It was confirmed.

Claims (6)

(A) Hydrogen peroxide 0.1 to 6 wt%, (b) base to 0.5 at least one surfactant selected from the tine 2 wt%, (c) acetic acid, lactic acid, glycolic acid, and their One or more selected from the group consisting of salts, 0.001 to 2% by mass , and (d) containing water, at 20 ° C., the pH is 2.5 to 7.0, and the viscosity is 3 to 20 mPa · s. A bleaching composition for textiles , which is a certain bleaching composition and is used by filling a container having a trigger sprayer having a foam formation mechanism. (E) The bleach composition for textiles according to claim 1, comprising 0.1 to 20% by mass of a compound represented by the following general formula (4-1).
  R ^4c -O- (C ₂ H _Four O) _x -H (4-1)
[In the formula, R ^4c Represents an alkyl group having 10 to 14 carbon atoms. x is a number from 5 to 10. ] A bleaching product for textiles , wherein the bleaching agent composition according to claim 1 or 2 is filled in a container having a trigger sprayer having a foam formation mechanism. The claim 1 or 2 bleach composition according bleaching method of attachment causes the textile to a foam to textiles with trigger-type sprayer having a foam forming mechanism. Foam adhesion amount is 0.1-1 g / cm ² The method for bleaching a textile product according to claim 4. The method for bleaching a textile product according to claim 4 or 5, wherein after the foam is adhered, the fiber product is allowed to stand for 5 to 60 minutes.