JP2003301381A - Color restorer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a color restorer with which the color of clothes discolored by repeated washing, etc., is readily restored in a general household. <P>SOLUTION: The color restorer comprises (a) a water-insoluble amino- modified silicone having 1.20-1.45 refractive index at 25°C, (b) a carboxy-modified silicone, (c) a compound which contains at least one selected from a quaternary ammonium group and a tertiary amino group and at least one selected from an 8-36C alkyl group and an 8-36C alkenyl group and has 300-1,000 molecular weight and (d) water in the mass ratio of (a)/(b) of 50/1-1/1. The color restorer comprises further (e) an aqueous solvent, and further more (f) an emulsifying agent. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a color-restoring agent which can be used in general households and which restores the color of colored and patterned clothing.

[0002]

2. Description of the Related Art Colored and patterned clothing undergoes fading due to the effects of chlorine and tap light in tap water during repeated washing / wearing. As a method for recovering this, the present applicants have disclosed an aerosol fiber darkening agent in JP-A-3-180578. By spraying such a composition, it is possible to eliminate the shine caused by the rubbing of the clothes on a hard surface such as a desk or a chair and to darken the clothes.

Further, Japanese Patent Laid-Open No. 53-11192,
Japanese Patent Application Laid-Open No. 55-26232 discloses a method of industrially deep-coloring a dyed fabric by adsorbing a low-refractive-index compound and subjecting it to heat treatment, moist heat treatment, or the like.

On the other hand, Japanese Patent Application Laid-Open No. 10-96172 discloses a method of adsorbing silicone to fibers. In addition, Japanese Patent Publication No. 5-508889 discloses a fabric softener composition containing an amino-modified silicone.
However, these are for the purpose of imparting slipperiness and water repellency to cloth, and do not improve the color of clothing.

Further, Japanese Patent Laid-Open No. 174298/1987 discloses that treatment with an aqueous solution containing cellulase is carried out in order to restore the color of fading clothing.
The effect is not enough.

An object of the present invention is to provide a color-restoring agent which can easily restore the color of clothing that has been faded due to repeated washing and the like in general households.

[0007]

The present invention includes (a) 25 ° C.
A water-insoluble amino-modified silicone having a refractive index of 1.20 to 1.45 (hereinafter referred to as (a) component), (b) carboxy-modified silicone (hereinafter referred to as (b) component),
(C) A molecular weight of 300 to having at least one selected from a quaternary ammonium group and a tertiary amino group in the molecule and at least one selected from an alkyl group having 8 to 36 carbon atoms and an alkenyl group having 8 to 36 carbon atoms. It contains 1,000 compounds (hereinafter referred to as (c) component) and (d) water (hereinafter referred to as (d) component), and the mass ratio of (a) / (b) is 50/1 to 1 /. A color restoration agent which is 1, and further,
(E) Color recovery agent containing an aqueous solvent (hereinafter referred to as "component (e)"), and further, (f) emulsifier (hereinafter referred to as "f")
Component)) is provided.

The "refractive index" used herein is measured using an Abbe refractometer, and "water-insoluble" means that the amount dissolved in 1 L of ion-exchanged water at 20 ° C is 1 g or less. Say.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION [Component (a)] The component (a) of the present invention has a refractive index at 25 ° C. of 1.20 to 1.45, preferably 1.30 to 1.45, and particularly preferably 1. 40 ~
1.45, most preferably 1.40 to 1.43 water-insoluble amino-modified silicone. When the refractive index is within this range, a sufficient color recovery effect can be obtained and the color becomes appropriate. In addition, the amino-modified silicone which is soluble in water cannot obtain a satisfactory color recovery effect like the water-insoluble amino-modified silicone of the present invention.

Examples of the water-insoluble amino-modified silicone of the present invention include amino-modified silicone represented by the general formula (I).

[0011]

[Chemical 1]

[Wherein R ¹ and R ² are each independently
A hydroxyl group or an alkyl group having 1 to 3 carbon atoms, X is a group having at least one amino group, Y is R ¹ , X or a hydrogen atom, a is 1 to 3,000, and b is 10 to 10,000.
Is. As the X in the general formula _{(I), -C 3 H 6} -NH 2, -C 3
_{H 6 -NH-C 2 H 4} -NH 2, -C 3 H 6 -NH-C 2 H 4 -
_{NH-C 2 H 4 -NH 2} , -C 3 H 6 -N (CH 3) 2, -C 3
_{H 6 -N (CH 3) -C} 2 H 4 -N (CH 3) 2, -C 3 H 6 -
_{N (CH 3) -C 2 H} 4 -N (CH 3) -C 2 H 4 -N (CH
₃ ) ₂ etc.

The amino-modified silicone represented by the general formula (I) can be synthesized, for example, by the following reaction.

[0014]

[Chemical 2]

The weight average molecular weight of the water-insoluble amino-modified silicone of the present invention is 1,000 to 1,000,000,
Particularly, 2,000 to 200,000 is preferable. This weight average molecular weight can be determined by gel permeation chromatography based on polystyrene having a known molecular weight.

The amino equivalent of the water-insoluble amino-modified silicone of the present invention is 1500 to 40,000 g / mol,
Further 1500 to 20000 g / mol, especially 1500
It is preferably 10000 g / mol.

Commercially available products may be used as the amino-modified silicone of the present invention. Specifically, SM8702, SM8704, S manufactured by Toray Dow Corning Silicone Co., Ltd.
M8702C, SM8704C, BY22-812, B
Y22-816, BY22-819, BY22-82
3, BY16-850, SF8471, Shin-Etsu Chemical Co., Ltd. KF-8002, KF-8003, Polon.
MF-14, Polon MF-14D, Polon
MF-14EC, Polon MF-29, Polon
MF-39, Polon MF-44, Polon
MF-52, TF Toshiba Silicone TSF4
702, TSF4703, TSF4704, TSF47
05, TSF4706, TSF4707 and the like.

[Component (b)] The component (b) of the present invention comprises 2
Refractive index at 5 ° C. is preferably 1.20 to 1.45
More preferably 1.30 to 1.45, particularly preferably 1.40 to 1.45, and most preferably 1.40.
~ 1.43 carboxy-modified silicone. When the refractive index is within this range, a sufficient color recovery effect can be obtained and the color becomes appropriate.

Examples of the carboxy-modified silicone of the present invention include silicones represented by the general formula (II).

[0020]

[Chemical 3]

[In the formula, each Z independently represents a methyl group or -R ³ COOH, and at least one is -R ³ COOH.
Is. Here, R < ³ > shows a C2-C14 alkylene group. x and y are integers that satisfy x + y = 200 to 1000. The carboxy-modified silicone of the present invention has a weight average molecular weight of 1,000 to 1,000,000, particularly 2,000.
100-100,000 are preferable. This weight average molecular weight is
It can be determined by gel permeation chromatography based on polystyrene having a known molecular weight.

The carboxy equivalent of the carboxy-modified silicone of the present invention is preferably 500 to 40,000 g / mol, more preferably 500 to 10,000 g / mol.

A commercially available product may be used as the carboxy-modified silicone of the present invention. Specifically, SF8418, BY16-8, manufactured by Toray Dow Corning Silicone Co., Ltd.
80, BY16-750, Shin-Etsu Chemical Co., Ltd. X-2
2-162C, X-22-3701E and the like.

[Component (c)] As the component (c) of the present invention, in particular, (c1) a quaternary ammonium salt represented by the following general formula (III), (c2) the following general formula (IV) or ( V) a tertiary amine compound, (c3) an amide compound of a polycarboxylic acid and a secondary amine having an alkyl group having 8 to 20 carbon atoms, (c4) a fatty acid having 8 to 20 carbon atoms and an alkylenediamine Amide compounds with dialkylenetriamine or hydroxyalkylalkylenediamine are preferred.

[0025]

[Chemical 4]

[In the formula, R ⁴ is an alkyl group or an alkenyl group having 8 to 36 carbon atoms, preferably 10 to 24 carbon atoms, particularly preferably 12 to 18 carbon atoms, and R ⁶ and R ⁷ each independently have 1 carbon atom. to 3 alkyl or hydroxyalkyl group or the formula R ⁴ - is a group represented by _{^{- (a-R 5) n}} .
R ⁸ is an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group. A is -COO-, -OCO-, -CONR
⁹ -, - a group selected from NR ⁹ CO-, R ⁵ is 1 to 5 carbon atoms, preferably 1 to 3 alkylene group. R
⁹ is a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group. n is a number of 1 or 0,
B ^- is an inorganic or organic anion, preferably a halogen ion, a sulfate ion, a phosphate ion, an alkylsulfuric acid ester ion having 1 to 3 carbon atoms, a fatty acid ion having 1 to 12 carbon atoms, and particularly preferably a halogen ion and a carbon number. 1 to 3 alkyl sulfate ester ions. ]

[0027]

[Chemical 5]

[In the formula, R ¹⁰ is an alkyl group or an alkenyl group having 8 to 36 carbon atoms, preferably 10 to 24 carbon atoms, and particularly preferably 12 to 18 carbon atoms, and R ¹¹ is 1 to 5 carbon atoms, preferably 1 to 5 carbon atoms. 3 is an alkylene group. R ¹² and R ¹³ are each independently alkyl or hydroxyalkyl group or the formula R ¹⁰ having 1 to 3 carbon atoms _{^{- (A-R 11) m}} - is a group represented by. A has the above-mentioned meaning, and m is a number of 1 or 0. ]

[0029]

[Chemical 6]

[In the formula, R ¹⁴ , R ¹⁵ , R ¹⁸ , R ²¹ and R ²²
Each independently represent a hydrogen atom, hydroxy or alkyl group of 1 to 5 carbon atoms alkyl group or the formula R ²³ - (W-
R ²⁴⁾ _p - with a group ^{represented, R 14, R 15, R} 18,
At least one of R ²¹ and R ²² has the formula R ²³ — (W—R
²⁴ ) A group represented by _p −. Here, R ²³ has 8 to 3 carbon atoms
An alkyl group of 6, R ²⁴ is an alkylene group having 1 to 5 carbon atoms,
W is -COO -, - OCO -, - CONR 25 -, - NR
²⁵ CO -, - group selected from O-, p is the number 0, 1 or 2, wherein R ²³ bound to each N atom - (W-R ²⁴⁾
W and R ²⁴ between _p − may be the same or different.
R ²⁵ is a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group. R ¹⁶ , R ¹⁷ , R ¹⁹
And R ²⁰ are alkylene groups having 1 to 5 carbon atoms, and i and j are each independently a number of 0, 1 or 2. T and U are independently -COO-, -OCO-, -CO
^{NR 26 -, - NR 26 CO} -, - O -, - CH (OR 27) -
A group selected from the groups, which may be the same or different. R ²⁶ and R ²⁷ are hydrogen atoms or 1 to 5 carbon atoms
Is an alkyl group or a hydroxyalkyl group. k
Is a number from 0 to 10 on average. Examples of the amide compound of (c3) a polycarboxylic acid and a secondary amine include oxalic acid, glutaric acid, succinic acid, maleic acid, fumaric acid, valeric acid, adipic acid, azelaic acid, sebacic acid, brassylic acid, dodecanedidecane. Acid, tricarbaline acid, 1,2,3-propanedicarboxylic acid, polyvalent carboxylic acid selected from citric acid, malic acid, tartaric acid and 8 carbon atoms
Amide compounds with secondary amines of -20, preferably 12-18 can be mentioned.

Examples of the amide compound (c4) include amide compounds of fatty acids having 8 to 20 carbon atoms with ethylenediamine, diethylenetriamine and hydroxyethylethylenediamine. These may be wholly or partially amidated.

As the component (c) of the present invention, (c1) and (c2) are preferable from the viewpoint of the color recovery effect.

[Color Restoration Agent] The content of the component (a) in the color restoration agent of the present invention is preferably 2 to 50% by mass.
-20 mass% is still more preferred. The content of the component (b) is preferably 0.1 to 10% by mass, and 0.1 to 5% by mass.
Is more preferable. The content of the component (c) is preferably 0.1 to 10% by mass, more preferably 0.5 to 5% by mass.

The mass ratio (a) / (b) of the component (a) and the component (b) in the color restoration agent of the present invention is 50/1 to 1/1 in terms of the color restoration effect. 10/1 to 3/1
Is preferred.

As the component (d) of the present invention, water free of heavy metal ions and hardness components is preferable, and ion-exchanged water and distilled water are preferable. The color restorer of the present invention contains the component (d) in an amount of 40 to 95% by mass, more preferably 50 to 90% by mass, and particularly 60 to 90% by mass.
From the standpoint of storage stability, it is desirable to contain 90% by mass.

The color restoration agent of the present invention preferably further contains an aqueous solvent as the component (e) from the viewpoint of the color restoration effect and storage stability.

As the component (e), ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, alkyl glyceryl ether,
Di or trialkylene glycol monoalkyl ether, di or trialkylene glycol monoallyl ether, triethylene glycol monoallyl ether, glycerin, 1,6-hexanediol, 2,5-hexanediol, cyclohexanol, 2-hexanol, 1
-Octanol and the like can be mentioned.

Among these, especially ethylene glycol,
Propylene glycol, diethylene glycol, dipropylene glycol, alkyl glyceryl ethers having 3 to 8 carbon atoms, mono- or dialkyl ether of di or triethylene glycol, mono or diphenyl ether of di or triethylene glycol are preferable. In particular, it is preferable to blend at least one selected from ethylene glycol, propylene glycol, ethanol and propanol from the viewpoint of color recovery effect and storage stability.

The content of the component (e) in the color restoration agent of the present invention is 0.1 to 20% by mass, preferably 0.5 to 10% by mass.

Since the component (a) of the present invention is insoluble in water, it is preferable to add an emulsifier as the component (f) for the purpose of uniformly emulsifying and dispersing in the color restorer.

As the component (f), an anionic surfactant such as alkylbenzene sulfonic acid or its salt, alkyl sulfate ester salt, polyoxyalkylene alkyl ether sulfate, olefin sulfonate, alkane sulfonate, and fatty acid salt, Polyoxyalkylene alkyl or alkenyl ether, polyoxyalkylene alkylphenyl ether, fatty acid alkanolamide or its alkylene oxide adduct, sucrose fatty acid ester, nonionic surfactant such as alkyl glucoside, amine oxide,
Amphoteric surfactants such as sulfobetaine and carbobetaine,
Examples thereof include cationic surfactants such as mono-long-chain alkyl quaternary ammonium salts, di-long-chain alkyl quaternary ammonium salts, and tri-long-chain alkyl quaternary ammonium salts.

The component (f) particularly preferred in the present invention is a nonionic surfactant represented by the general formula (VI).

R ³⁰ --O-(R ³¹ O) _q --H (VI) [wherein R ³⁰ has 8 to 22 carbon atoms, preferably 10 to 2 carbon atoms]
It is an alkyl group or an alkenyl group having 0, R ³¹ is an alkylene group having 2 or 3 carbon atoms, and is preferably an ethylene group. Also, q is 2 to 200, preferably 5 to 10.
0, particularly preferably 5 to 80 is shown. ] General formula (VI)
The following compounds may be mentioned as specific examples of the compound represented by.

R ³² —O— (C ₂ H ₄ O) _r —H [wherein R ³² is an alkyl group having 10 to 18 carbon atoms,
r is a number of 5 to 60, preferably 5 to 40. ] _{^{R 32 -O- (C 2 H 4}} O) s in _{(C 3 H 6 O) t} -H [wherein, R ³² is as defined above, s and t are each independently 2 to 50, preferably Is a number from 2 to 40, and s
And the sum of t is a number of 5 to 60. Ethylene oxide and propylene oxide may be random addition or block addition. ].

In the present invention, the mass ratio of component (f) / [total amount of component (a) and component (b)] is preferably 1/10.
00-2 / 1, more preferably 5 / 1000-2 / 1,
It is particularly preferably 1/100 to 2/1 from the viewpoint of emulsion and dispersion stability. The particle size of the emulsified particles in the color restoration agent is 0.01 μm to 4 μm, preferably 0.01 to 3 μm, and particularly preferably 0.02 to 2 μm from the viewpoint of color restoration property.

The color restoration agent of the present invention comprises the above-mentioned (a),
It is used in the form of a dispersion obtained by diluting the components (b) and (c), further the components (e), (f) and other components with water [component (d)].

The pH of the color restoration agent of the present invention (20
(C) is preferably 2.0 to 9.0, and particularly preferably 3.0 to 8.0 from the viewpoint of storage stability and color recovery effect.

The color-restoring agent of the present invention may be added not only by dipping and leaving fading garments, but also with neutral detergents and commonly used weak alkaline detergents when washing garments. By washing the clothing with and then adding it to the rinse water, the color of the colored clothing can be easily restored. When used with a detergent, the concentration of the color restoration agent in the washing liquid is preferably 0.01 to 2% by mass, and particularly preferably 0.033 to 0.5% by mass. When used by being added to the rinse water, the concentration of the color restoration agent in the rinse solution is preferably 0.001 to 0.3% by mass, and particularly 0.01 to 0.2% by mass is an efficient color restoration effect. To obtain.

In the present invention, in addition to the components (a) and (b), other silicone compounds may be used.
Specifically, dimethylpolysiloxane oil (hereinafter referred to as dimethylsilicone) or organopolysiloxane oil (hereinafter referred to as hydroxysilicone) in which a side chain or a terminal methyl group of dimethylsilicone oil is a hydroxy group is used. In addition, some of the methyl groups (preferably side chain methyl groups) of the dimethyl silicone or hydroxy silicone are "organic groups other than methyl groups".
Organopolysiloxane oil (hereinafter, referred to as modified silicone) is used. Modified silicones are exemplified mainly in Chapter 6 of Silicone Handbook (edited by Kunio Ito, published by Nikkan Kogyo Shimbun, August 31, 1990, first edition, 1st edition). As the organic group other than the methyl group, an organic group containing an amide group, an organic group containing a polyether group, an organic group containing an epoxy group, an organic group containing an alkyl group or a halogenoalkyl group, a halogenoalkylene group or a halogenoaryl group. In addition to the organic group containing
The organic group containing the poly (N-acyl alkylene imine) chain of the production example 1 of 1-336070 gazette is mentioned.

[0050]

EXAMPLES In the following examples,% means mass% unless otherwise specified.

Production Example 1 From the addition product of N-methylethanolamine and acrylonitrile, a known method [J. Org. Chem. , 2
6,3409, (1960)] and 66 g of N- (2-hydroxyethyl) -N-methyl-1,3-propylenediamine and 284 g of hardened tallow fatty acid were charged in a flask and heated to 180 ° C. About 10 hours at that temperature,
As a result of heating while distilling off the produced water, 300 g of a reaction product containing the compound represented by the formula (VII) as the main component was obtained. The acid value, saponification value, hydroxyl group value, total amine value, and tertiary amine value of the obtained reaction product were measured, and the composition of the reaction product was examined. As a result, the dialkyl compound was 86% and the monoalkylamide compound was 1%.
0% and unreacted fatty acid were 4%. In addition, analysis by gas chromatography revealed that 0.1% of N- (2-hydroxyethyl) -N-methyl-1,3-propylenediamine, which had been unreacted, was contained in the reaction product.

[0052]

[Chemical 7]

Production Example 2 300 g of the reaction product obtained in Production Example 1 was dissolved in 60 g of industrial alcohol containing 8-acetylated syrup and charged into an autoclave to prepare 2,6-di-tert-butyl-p.
-Cresol (BHT) 0.15g was added, and methyl chloride 28g was press-fitted. As a result of reacting at 100 ° C. for about 8 hours, 390 g of a reaction product containing a compound represented by the formula (VIII) as a main component was obtained. The solid content of the reaction product is 85%,
From the amine value measurement, the quaternization reaction rate was 96%.
The ratio of the non-quaternized amine dialkyl compound / monoalkylamide compound was 85/15 (mass ratio).

[0054]

[Chemical 8]

Production Example 3 21.4 g (0.1%) of diethyl sulfate was placed in a 2 L four-necked flask.
39 mol) and 1.39 mol of 2-oxazoline were dissolved in 700 g of dehydrated ethyl acetate, and heated under reflux for 5 hours under a nitrogen atmosphere. Then has an alkyl composition derived from palm kernel oil 1
444 g (1.11) of 50% ethyl acetate solution of primary amine
Mol) and refluxed under heating for 10 hours, and then ethyl acetate in the reaction mixture was distilled off under reduced pressure. Next obtained compound 400
The amide bond of g was hydrolyzed, and by-produced propionic acid was removed to obtain a compound represented by the formula (IX). Average degree of polymerization 8
The yield was 95%.

R—NH— (C ₂ H ₄ NH) _n —H (IX) (In the formula, R represents an alkyl group of palm kernel oil composition.) Example 1 Using each component shown below, Table 1 And a color restorer having the composition shown in Table 2. In the preparation, each color restorer was put in a 200 ml beaker in a proportion of Table 1 and Table 2 so that the total weight of the blended components was 200 g, The mixture was prepared by mixing with a stainless steel stirring blade having a diameter of 30 mm at a stirring speed of 300 r / min for 4 hours at room temperature, and the particle size of the emulsion of each color restoration agent was in the range of 0.02 to 2 μm. The particle size was measured using a light scattering photometer ELS-800 manufactured by Otsuka Electronics Co., Ltd.

Using the obtained color-restoring agent, brown clothing prepared by the following method was treated by the following treatment methods 1 and 2. The results of Treatment Method 1 are shown in Table 1, and the results of Treatment Method 2 are shown in Table 2.

<Ingredients> (a-1): Amino-modified silicone (refractive index 1.40)
8, Shin-Etsu Chemical Co., Ltd. KF-8002, viscosity 1,1
00 mm ² / s, amino equivalent 1,700 g / mol) (a-2): amino-modified silicone (refractive index 1.40)
8, Shin-Etsu Chemical Co., Ltd. KF-8003, viscosity 1,8
50 mm ² / s, amino equivalent 2,000 g / mol) (a-3): Amino-modified silicone (refractive index 1.40)
5, GS Toshiba Silicone Co., Ltd. TSF4707,
Viscosity 10,000 mm ² / s, amino equivalent 7,000 g / m
ol) (a'-1): Polyether-modified silicone (refractive index 1.460, TF Toshiba Silicone TSF4)
453) (a'-2): Dimethyl silicone (refractive index 1.40)
4, GS Toshiba Silicone TSF451-1
M) (b-1): carboxy-modified silicone (refractive index 1.4
06, Toray Dow Corning Silicone SF84
18, carboxy equivalent 3,500 g / mol) (b-2): carboxy-modified silicone (refractive index 1.4
07, BY16 manufactured by Toray Dow Corning Silicone
-880, carboxy equivalent 3,500 g / mol) (b-3): carboxy-modified silicone (refractive index 1.4
21, BY16 manufactured by Toray Dow Corning Silicone
-750, carboxy equivalent 700 g / mol) (b-4): carboxy-modified silicone (refractive index 1.4
06, Shin-Etsu Chemical Co., Ltd. X-22-162C, carboxy equivalent 2,300 g / mol) (b-5): carboxy-modified silicone (refractive index 1.4.
07, Shin-Etsu Chemical Co., Ltd. X-22-3701E, carboxy equivalent 4,000 g / mol) (c-1): Reactant obtained in Production Example 1 (c-2): Obtained in Production Example 2 Reaction product (c-3): Compound (c-4) obtained in Preparation Example 3: Cetyltrimethylammonium chloride (Co-tamine 60W manufactured by Kao Corporation) (c-5): 1 mol of citric acid and stearyl Dehydration amidation reaction product (c-6) with 2 moles of amine: Dehydration condensation reaction product (e-1) of 1 mole of hydroxyethylethylenediamine and 2 moles of fatty acid having a hardened beef tallow composition: Propylene glycol (f-1) : Addition of 5 mol of ethylene oxide to lauryl alcohol (Emulgen 105 manufactured by Kao Corporation) (f-2): Addition of 5 mol of ethylene oxide to a secondary alcohol having 12 to 14 carbon atoms Clothing of preparation> commercial dark blue polo shirt (cotton 100
%) 2 sheets were washed in a washing machine with a weak alkaline detergent [Toshiba 2-tank washing machine VH-360S1, detergent concentration 0.
0667%, tap water used, strong stirring, bath ratio 1/50 (water volume 30 L), water temperature 20 ° C, washing method: 10 minutes washing → 1 minute dehydration → 2 minutes rinsing → 1 minute dehydration → 2 minutes rinsing → 1 It was dehydrated for a minute]. The clothing that had been subjected to this treatment seven times lost the initial color and was whitish overall. This was used as a fading clothing. The weak alkaline detergent used here had an average particle size of 500 μm (particle size 1
25 μm or less particles and particles with a particle diameter of 1000 μm or more are removed), the apparent bulk density is 700 g / cm ³ , and the composition is linear alkyl (mixture of carbon atoms 12 and 13).
Sodium benzenesulfonate 22%, sodium lauryl sulfate 5%, sodium myristate 4%,
Polyoxyethylene lauryl ether (ethylene oxide average addition mole number 8) 5%, No. 1 sodium silicate 8
%, Sodium polyacrylate (weight average molecular weight 10,000)
5%, A-type zeolite 15%, sodium carbonate (soda ash) 15%, potassium carbonate 3%, protease (Sabinase 12.0T type manufactured by Novo Nordisk).
W) 0.5%, cellulase (KAC5 manufactured by Kao Corporation)
00) 0.5% and anhydrous sodium sulfate 17% (% is in the detergent excluding the volatile content 7%).

<Treatment Method 1> One piece of the above fading clothing was immersed in an aqueous solution having a color restoration agent concentration of 0.3% in Table 1 for 4 minutes, dehydrated for 1 minute, then rinsed for 2 minutes and dehydrated for 1 minute. After repeating twice, it was dehydrated again and dried in a constant temperature room at a humidity of 50% and 25 ° C. for 12 hours. The degree of color recovery of the garment after the treatment was compared by the panel of 10 people (men in their thirties) under a white fluorescent lamp, using the fading garment before the treatment as a control, and evaluated according to the following criteria. An average point of less than 1 is ⊚, 1 or more and less than 2 is ◯, 2 or more and less than 2.5 is Δ, and 2.5 or more is x. Evaluation Criteria 0: Color close to that of new clothing 1: Colors appear clearer than the control 2: Colors appear brighter than the control 3: Same as the control 4: Colors appear fading from the control <Processing method 2> The above fading clothing is a weak alkaline detergent (the same as used in the preparation of fading clothing, detergent concentration 0.0
667%) and the color restorer (0.3%) shown in Table 2 were used together and washed and rinsed in the washing machine under the same conditions as in the preparation of the fading clothing. This operation was repeated 7 times in order to clarify the color recovery effect. In addition, as a control, the fading clothing washed 7 times without using the color restoration agent of Table 2 was used,
It evaluated according to the evaluation criteria of the processing method 1.

[0060]

[Table 1]

[0061]

[Table 2]

(Note) The pH was adjusted with 0.1N acetic acid aqueous solution (or hydrochloric acid aqueous solution) or 0.1N sodium hydroxide aqueous solution. For comparison, the mass ratio of (a'-1) or (a'-2) and (b) was shown as (a) / (b) for convenience.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) D06P 1/52 D06P 1/52 F term (reference) 4H003 AC08 AE02 AE07 BA12 DA01 EB37 EB38 ED02 ED28 FA14 FA15 FA28 4H057 AA01 CA37 CB08 CB18 CB19 CC03 DA01 4L033 AA02 AB04 AC15 BA46 BA86 BA96 CA63 CA64

Claims (4)

[Claims] 1. A refractive index at 25 ° C. is 1.20.
To 1.45 water-insoluble amino-modified silicone, (b) carboxy-modified silicone, (c) at least one selected from a quaternary ammonium group and a tertiary amino group in the molecule, and an alkyl group having 8 to 36 carbon atoms and carbon A compound having a molecular weight of 300 to 1,000 having at least one selected from the number 8 to 36 alkenyl groups, and (d) water, and having a mass ratio of (a) / (b) of 50/1 to 1 / A color restoration agent which is 1. 2. A mass ratio of (a) / (b) is 10/1 to 3
The color restoration agent according to claim 1, which is / 1. 3. The color restoration agent according to claim 1, further comprising (e) an aqueous solvent. 4. The method according to claim 1, further comprising (f) an emulsifier.
The color restoration agent according to any one of 3 to 3.