JPH05194157A - Cleaner composition - Google Patents

Abstract

PURPOSE:To obtain an extremely useful cleaner composition having extellent inhibitory effects on dandruff, deodorant effects and conditioning effects, low irritation and good touch in use by stably dispersing water-insoluble fine powder such as antimicrobial agent. CONSTITUTION:A cleaner composition comprising (a) a saccharide-based nonionic surfactant, (b) one or more surfactants selected from an anionic surfactant, an ampholytic surfactant and a cationic surfactant, (c) water-insoluble fine powder, (d) a nonionic polymer and (e) a cationic polymer.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a detergent composition, more specifically, a water-insoluble fine powder that can be stably dispersed therein, has low irritation to the skin, and contains an antibacterial substance as the water-insoluble fine powder. The present invention relates to a detergent composition having excellent antibacterial activity when used, and particularly showing a mild cleansing feeling with high anti-dandruff effect, deodorant effect and conditioning effect when used for scalp / hair washing.

[0002]

2. Description of the Related Art As the current trend, the tendency toward cleanliness is generally increasing regardless of age and sex. Therefore, scalp and hair cleansing agents are required to have a bactericidal effect and a deodorant effect. It started to come out. Also,
As the number of times the hair is washed increases, the demand for products that are mild and less irritating to the skin and hair that can be used everyday is also increasing.

That is, a cleaning agent having both antibacterial and hypoallergenic properties is desired, but up to now, there is a cleaning agent which has both of these two points and is excellent in stability. Hard to say. Usually, the active agents used as the main ingredients of detergents are mainly synthetic anionic surfactants such as alkyl sulphate and ethoxylated alkyl sulphate. Although excellent in terms of strength and the like, it has a drawback that it is highly irritating to the skin and hair.

Therefore, in recent years, as a detergent for solving such a drawback, for example, Japanese Patent Laid-Open Publication No. 3-127717 discloses a sugar-based nonionic surfactant and an antibacterial agent which are mild to skin and hair. Disclosed is a detergent composition which is used in combination with low skin irritation and excellent antibacterial activity. However, the sugar-based nonionic surfactant used here has a property of low irritation, but has a problem of poor stability and cleaning performance. In particular, a technique for stably dispersing water-insoluble fine powder such as an antibacterial agent using this surfactant has not been established yet.

Generally, as a typical example of the water-insoluble fine powder to be blended in the detergent for hair and skin, a pearling agent and 2-mercaptopyridine-N-oxide useful as an anti-dandruff agent (hereinafter referred to as "Mept"). ) Examples include polyvalent metal salts and selenium disulfide. Among these, as the polyvalent metal of Mept, there are magnesium, barium, strontium, zinc, cadmium, tin, zirconium, and the like. Among these, the zinc salt is most widely used.

However, all of these Mept are sparingly soluble in water, for example, the solubility of zinc salt (hereinafter referred to as "Zpt") in water is 15 ppm at 25 ° C., and these Mept are shampooed. When blended with a cleaning agent such as Zpt, the specific gravity of Zpt is 1.8 and the difference in specific gravity from the dispersion medium is large, so that precipitation and separation of Zpt tend to occur over time, making it difficult to obtain a stable dispersion system. Met.

As means for preventing the settling / separation of the water-insoluble fine powder, for example, the following methods (1) to (3) can be considered. (1) The particle size of the water-insoluble fine powder is made extremely small so that Brownian motion control is more dominant than gravity control,
Make sedimentation less likely. (2) The viscosity of the dispersion medium at rest is increased to prevent sedimentation. (3) Other substances are adsorbed on the surface of the water-insoluble fine powder to impart a steric or electrostatic repulsive force to prevent aggregation.

Based on the idea of (1), Mept having a very small particle size as compared with the conventional Mept.
(Hereinafter, referred to as "fine particle Mept") has been reported (Japanese Patent Publication Nos. 61-35186, 64-3193 and 60-224676). However, this fine particle Mept is also mixed with salts such as a surfactant,
Aggregation easily occurred due to freezing, heating, etc., and the dispersion stability in the detergent was not yet sufficiently satisfactory.

Based on the concept of (2), for example, a method of adding a thickening polymer such as cross-linked polyacrylic acid (Japanese Patent Publication No. 49-49117) and an acrylic acid / acrylic acid ester copolymer are used. Examples thereof include a method of adding (Japanese Patent Publication No. 54-16951) and the like. In this method, the type of surfactant that can be used to stably disperse the water-insoluble fine powder is limited, and sugar-based nonionic It was not readily applicable in the activator system.

Further, as a method based on the idea of (3), for example, a method of adding polyvinyl alcohol (Japanese Patent Laid-Open No. 63-297315) and the like can be mentioned, which is also a sugar-based nonionic activator-based method. Was not suitable for.

Therefore, it has been desired to develop a detergent composition which has stable dispersibility of the water-insoluble fine powder, has low irritation, and is excellent in usability and detergency.

[0012]

Under the circumstances, the inventors of the present invention have conducted diligent research to solve the above-mentioned problems, and as a result, as a result, a sugar-based nonionic surfactant, an anionic surfactant and an amphoteric interface have been obtained. Dispersion of water-insoluble fine powder by using a nonionic polymer and a cationic polymer in combination in a mixed system of one or more kinds of surfactants selected from the group consisting of surfactants and cationic surfactants If used as an agent,
The inventors have found that a detergent composition that is stable even after being stored for a long period of time, is excellent in detergency, foaming ability, and feeling in use, and has both antibacterial properties and low irritation is completed, and completed the present invention.

That is, the present invention comprises the following components (a)-
(E) (a) Sugar-based nonionic surfactant (b) One or more surfactants selected from the group consisting of anionic surfactants, amphoteric surfactants and cationic surfactants. (C) Water-insoluble fine powder (d) Nonionic polymer (e) Provided is a detergent composition containing a cationic polymer.

In the detergent composition of the present invention, the component (a)
As the sugar-based nonionic surfactant used as
For example, the following alkyl saccharide-based surfactants, sugar amide-based surfactants, sucrose fatty acid ester-based surfactants and the like can be mentioned.

(A-1) An alkyl saccharide-based surfactant represented by the following general formula (1). R ¹ —O— (R ² O) _a —G _b (1) (In the formula, R ¹ represents a linear or branched alkyl, alkenyl or alkylphenyl group having 6 to 18 carbon atoms, and R ²
Represents an alkylene group having 2 to 4 carbon atoms, G represents a reducing sugar having 5 to 6 carbon atoms, a represents a number of 0 to 10 and b represents a number of 1 to 10).

In the formula (1), R ¹ is a linear or branched alkyl, alkenyl or alkylphenyl group having 6 to 18 carbon atoms, and particularly a linear or branched alkyl group having 9 to 14 carbon atoms. (Decyl group, lauryl group, myristyl group, etc.)
Is preferable from the viewpoint of cleaning characteristics such as foamability. R ² represents an ethylene group, a propylene group, a trimethylene group, a butylene group or the like. The average degree of polymerization a of the alkylene oxide is 0 to 1
A value of 0 is shown, but from the viewpoint of cleaning characteristics such as foaming property, 0 to 3 is preferable, and 0 is particularly preferable. Further, the saccharide moiety (G in the formula (1)) which is a hydrophilic group has a reducing sugar having 5 to 6 carbon atoms as a basic unit, and the reducing sugar is preferably glucose, galactose or fructose. The average degree of polymerization b of the saccharide is 1 to 10, but b = 1 to 4
Is preferably 80% or more, and particularly low in average degree of polymerization, that is, 1 to 1.4. Further, both the average degree of polymerization and the group R ¹ are compounds (1)
Considering the influence on the characteristics of R ¹ , R ¹ has 8 to ¹ carbon atoms.
When 1, b has ¹ to 1.4 and R ¹ has 12 carbon atoms
When it is -14, b is preferably 1.5-4.0.

(A-2) Sugar-amide type surfactant represented by the following general formula (2)

[0018]

[Chemical 1]

In the formula (2), R ³ represents a linear or branched alkyl, alkenyl or alkylphenyl group having 5 to 17 carbon atoms. Among them, R ³ —CO— is capric acid, caprylic acid or lauric acid. Acid, myristic acid, palmitic acid,
Those derived from stearic acid, isostearic acid and oleic acid are preferable, and those derived from capric acid and lauric acid are particularly preferable. Specific examples of R ⁴ include hydrogen, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, t-butyl group, n-hexyl group, octyl group, 2-ethylhexyl group, decyl group,
Examples thereof include dodecyl group, stearyl group, isostearyl group, polyethylene glycol group having a polymerization degree of 2 to 10, polypropylene glycol group, 2-hydroxyethyl group, 2-hydroxypropyl group, 3-hydroxypropyl group, and the like. , Methyl group, ethyl group, 2-hydroxyethyl group, 2-hydroxypropyl group and 3-hydroxypropyl group are preferred. X represents a polyhydroxyalkyl group consisting of a sugar residue having 4 to 30 carbon atoms, but even a polyhydroxyalkyl group having 4 to 7 carbon atoms which is glycosidic bonded to a mono-, di- or oligosaccharide group. good.

(A-3) Sucrose fatty acid ester-based surfactant represented by the following general formula (3)

[0021]

[Chemical 2]

(In the formula, R ⁶ , R ⁷ and R ⁸ may be the same or different, and at least one is a linear or branched saturated or unsaturated C 8-24 acyl group, And the rest represent hydrogen atoms) and the like, and generally consist of a mixture of mono-, di-, and triacyl compounds. In the formula, R ⁶ , R ⁷ and R ⁸ each represent an acyl group having 6 to 24 carbon atoms, particularly preferably an acyl group having 10 to 18 carbon atoms, and the ratio of mono / di or tri is 70/30. ~ 30/7
0 is preferred.

In the present invention, the sugar-based nonionic surfactant as the component (a) may be used alone or in combination of two or more kinds, and the compounding amount thereof is 0. 1 to 95% by weight (hereinafter simply referred to as%), especially 1 to
15% is preferable.

Examples of the anionic surfactant used as the component (b) in the detergent composition of the present invention include those represented by the following (1) to (10). (1) Polyoxyalkylene alkyl ether sulfuric acid ester having a linear or branched alkyl group having an average carbon number of 8 to 20 and having an average of 0.5 to 8 mol of ethylene oxide and / or propylene oxide added per molecule. salt. (2) An alkyl sulfate ester salt having a linear or branched alkyl group having an average carbon number of 10 to 20. (3) α having an average of 10 to 20 carbon atoms in one molecule
-Olefin sulfonate. (4) An alkanesulfonate having an average of 10 to 20 carbon atoms in one molecule. (5) A fatty acid salt having a linear or branched saturated or unsaturated hydrocarbon chain having an average carbon number of 10 to 20. (6) An alkylethoxycarboxylic acid salt having a linear or branched alkyl group having an average carbon number of 10 to 20, to which an average of 0.5 to 8 mol of ethylene oxide is added per molecule. (7) The following general formula (4) or (5)

[0025]

[Chemical 3]

(R ¹⁰ is a linear or branched alkyl or alkenyl group having 8 to 22 carbon atoms, R ¹¹ is the same or different and is a hydrogen or methyl group, and R ¹² is 7 carbon atoms.
No. 21 to a linear or branched alkyl group or alkenyl group, d is a number from 0 to 20), M ¹ is a hydrogen atom or a water-soluble selected from alkali metal, alkaline earth metal, ammonium and organic ammonium. Which represents a cation that forms a neutral salt]. (8) The following general formula (6)

[0027]

[Chemical 4]

(Wherein R ¹³ is a linear or branched saturated or unsaturated hydrocarbon group, R ¹⁴ is a hydrogen atom or a methyl group, e is a number of 0 to 6 and f is 1 to 6). The number is shown), B represents -OX ² or A, and X ¹ and X ² each represent a hydrogen atom or a counter ion].

(9) The following general formula (7) or (8)

[0030]

[Chemical 5]

[Wherein R ¹⁵ represents an alkyl group or an alkenyl group having 7 to 21 carbon atoms, and X ³ and X ⁴ each represent a hydrogen atom or a counter ion]. (10) The following equation (9)

[0032]

[Chemical 6]

[Wherein R ¹⁶ represents an alkyl group or an alkenyl group having 7 to ²¹ carbon atoms, R ¹⁷ , R ¹⁸ and R ¹⁹ represent an amino acid side chain, g represents a number of 1 to 6 and X ⁵ represents Represents a hydrogen atom or a counter ion].

X ^{1 to} X ^{5 of} these anionic surfactants
The counter ion represented by is usually an alkali metal ion such as sodium and potassium; an alkaline earth metal ion such as magnesium; an ammonium ion and, for example, monoethanolamine, diethanolamine, triethanolamine, triisopropylamine and the like having 2 carbon atoms. And alkanolamine bases having 1 to 3 alkanol groups of 3 to 3.

Examples of the amphoteric surfactant used as the component (b) in the present invention include the following (11)
And those represented by (12). (11) An α-position addition type, secondary amide type or tertiary amide type imidazoline-based amphoteric surfactant having an alkyl group, an alkenyl group or an acyl group having 6 to 24 carbon atoms. (12) Carbobetaine-based, amidobetaine-based, sulfobetaine-based, hydroxysulfobetaine-based or amidosulfobetaine-based amphoteric surfactants having an alkyl group, an alkenyl group, or an acyl group having 8 to 24 carbon atoms.

Further, examples of the cationic surfactant used as the component (b) in the present invention include those represented by the following (13) and (14). (13) The following general formula (10)

[0037]

[Chemical 7]

[In the formula, one or two of R ^{20 to} R ²³ is a linear or branched alkyl group having 8 to 28 carbon atoms, a hydroxyalkyl group or R ^24- (CH ₂ CH ₂ O). _h- (R
²⁴ represents an alkyl group or a hydroxyalkyl group having 8 to ²⁴ carbon atoms, h represents a number of 1 to 10), and the rest represents a benzyl group, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group, X ⁻ represents a halogen ion or an organic anion]. (14) An alkylpyridinium salt having an alkyl group having an average carbon number of 10 to 18.

In the present invention, each of the above-mentioned component (b) surfactants may be used alone or in combination of two or more, but it is preferable to use an anionic surfactant, particularly preferably The anionic surfactant of (1), (2) or (7) is preferable.

In the present invention, the compounding amount of the component (b) surfactant is 0.1 to 95 in the total amount of the composition.
%, Particularly 1 to 30% is preferable. Further, it is preferable that the mixing ratio of the component (a) and the component (b) is such that the weight ratio is (a) / (b) = 1/9 to 9/1.

In the detergent composition of the present invention, the water-insoluble fine powder as the component (c) has a solubility of 20 ppm or less in distilled water at 25 ° C.
Compounds such as abrasives and pigments, eg Mep
t, titanium oxide, calcium carbonate, fish scale, fatty acid glycol ester, diatomaceous earth and the like. Of these fine powders, Mept is particularly preferable, and as the polyvalent metal thereof, magnesium, barium, strontium, zinc, cadmium, tin, zirconium and the like can be mentioned, and among these, zinc is particularly preferable. The shape of the fine powder is
It may be granular or plate-like, but if it is plate-like, its major axis is 5 μm or less, and if it is granular, its average particle size is 5 μm.
The following is preferred, and the particle size distribution is 0.2
50% or more is preferable for particles having a particle diameter of 0.5 μm or less, 15% or less for particles having a particle size of 0.5 to 1.0 μm,
Above 2% or less is particularly preferable.

In the present invention, these components (c) may be used either individually or in combination of two or more,
The blending amount thereof is preferably 0.01 to 10% in the total amount of the composition. These fine powders have various effects, for example, in the case of washing hair, the effect of preventing dandruff and itch, the effect of softening hair,
It is added for the effect of giving a pearl tone for improving the appearance.

In the detergent composition of the present invention, the component (d)
Examples of the nonionic polymer include polyvinyl alcohol derivatives, polyvinylpyrrolidone, methyl cellulose, hydroxyethyl cellulose and the like. Those having an average molecular weight in the range of 300 to 5,000,000 are preferred. Particularly preferred is an average molecular weight represented by the following formula (11): 8,000 to 200,
000 partially saponified polyvinyl alcohol and the like can be mentioned.

[0044]

[Chemical 8]

[In the formula, i represents a number corresponding to 70 to 100 mol%, and j represents a number corresponding to 0 to 30 mol%]
This nonionic polymer (11) is a polymer obtained by saponifying polyvinyl acetate obtained by polymerizing vinyl acetate in the presence of methanol. Instead of polyvinyl acetate, vinyl acetate and vinyl ethers, acrylamide, acrylic Those produced by using an acid or methacrylic acid ester, or a copolymer such as vinylpyrrolidone can also be used.

In the present invention, the nonionic polymer as the component (d) can be used alone or in combination of two or more kinds, and the blending amount thereof is 0.01 to 20%, particularly 0. 1-5% is preferable.

(E) in the detergent composition of the present invention
Examples of the cationic polymer as the component include a cationized cellulose derivative, a cationic starch, a cationized guar gum derivative, a diallyl quaternary ammonium salt polymer, a diallyl quaternary ammonium salt / acrylamide copolymer, a quaternized polyvinylpyrrolidone derivative, Polyglycol polyamine condensate, adipic acid / dimethylaminohydroxypropylethylenetriamine copolymer, cationized dextran and JP-A-53-139734 and JP-A-6-
Cationized polymers described in, for example, 0-36407 can be used.

Among these, as the cationized cellulose derivative, those represented by the following general formula (12) are preferable.

[0049]

[Chemical 9]

[In the formula (12), E represents a residue of anhydroglucose unit, k is an integer of 50 to 30,000, and each R ²⁵ is represented by the following general formula (13). A substituent is shown.

[0051]

[Chemical 10]

[In the formula (13), R ²⁶ , R ²⁷ : C 2 or C 3 alkylene group m: integer of 0 to 10 n: integer of 0 to 3 o: integer of 0 to 10 R ²⁸ : carbon number 1 To alkylene or hydroxyalkylene groups R ²⁹ , R ³⁰ , R ³¹ : the same or different, and having 1 carbon atom
Up to 0 alkyl groups, aryl groups, aralkyl groups or nitrogen atoms in the formula may be included to form a heterocycle. X ₁ : anion (chlorine, bromine, iodine, sulfuric acid, sulfonic acid, methyl sulfuric acid, phosphoric acid, nitric acid, etc.)]

The degree of cation substitution of cationized cellulose is 0.01 to 1, that is, the average value of c per anhydroglucose unit is 0.01 to 1, preferably 0.
It is 1 to 0.5. The sum of m + o is 1 to 3 on average. Substitution degree of 0.01 or less is not sufficient, and 1
The above may be used, but 1 or less is preferable from the viewpoint of reaction yield. For example R ^29, all as R ^30, R ³¹ is CH _3, or remaining one is a short-chain alkyl groups such as two CH ₃ groups is preferably those which are long-chain alkyl group having 10 to 20 carbon atoms. The molecular weight of the cationized cellulose used herein is between about 10,000 and 20,000,000. As commercially available products, Kathicero M-80 (manufactured by Kao), Catinal (manufactured by Toho Kagaku), polymer JR, polymer LR (UCC)
Manufactured by the company) and the like.

As the cationic starch, the following general formula (1
Those represented by 4) are preferable.

[0055]

[Chemical 11]

[In the formula (14), D: starch residue R ³² : alkylene group or hydroxyalkylene group R ³³ , R ³⁴ , R ³⁵ : the same or different and having 1 carbon atom
A hetero ring may be formed by containing 0 or less alkyl group, aryl group, aralkyl group or nitrogen atom in the formula. X ₂ : anion (chlorine, bromine, iodine, sulfuric acid, sulfonic acid, methylsulfuric acid, phosphoric acid, nitric acid, etc.) p: positive integer]

The degree of cation substitution of the cationic starch is 0.0
1-1, ie 0.01-1 per anhydroglucose unit
Those in which 0.02 to 0.5 cationic groups are introduced are preferable. If the degree of substitution is 0.01 or less, it is not sufficient, and it may be 1 or more, but 1 or less is preferable from the viewpoint of reaction yield.

As the cationized guar gum derivative, those represented by the following general formula (15) are preferable.

[0059]

[Chemical 12]

[In the formula (15), J: guar gum residue R ³⁶ : alkylene group or hydroxyalkylene group R ³⁷ , R ³⁸ , R ³⁹ : the same or different and having 1 carbon atom
A hetero ring may be formed by containing 0 or less alkyl group, aryl group, aralkyl group or nitrogen atom in the formula. X ₃ : anion (chlorine, bromine, iodine, sulfuric acid, sulfonic acid, methyl sulfuric acid, phosphoric acid, nitric acid, etc.) q: positive integer]

The degree of cation substitution of the cationized guar gum derivative is preferably such that 0.01 to 1, especially 0.02 to 0.5 cationic groups are introduced into the sugar unit. This type of cationic polymer is disclosed in JP-B-58-35640, JP-B-60-46158 and JP-A-58.
No. 53996, and is commercially available, for example, from Celanese-Steinhall Company under the trade name Jaguar.

As the diallyl quaternary ammonium salt polymer or the diallyl quaternary ammonium salt / acrylamide copolymer, those represented by the following general formula (16) or (17) are preferable.

[0063]

[Chemical 13]

[In the formulas (16) and (17), R ⁴⁰ and R ^{41 are the} same or different and are hydrogen, an alkyl group (having 1 to 18 carbon atoms), a phenyl group, an aryl group, a hydroxyalkyl group and an amide. Alkyl group, cyanoalkyl group, alkoxyalkyl group, carboalkoxyalkyl group R ⁴² , R ⁴³ , R ⁴⁴ , R ⁴⁵ : the same or different, hydrogen atom, lower alkyl group (having 1 to 3 carbon atoms), phenyl group X ₄ : anion (chlorine, bromine, iodine, sulfuric acid, sulfonic acid, methyl sulfuric acid, nitric acid, etc.) r: integer of 1 to 50 s: integer of 0 to 50 t: integer of 150 to 8000]

The molecular weight of the diallyl quaternary ammonium salt / acrylamide copolymer is about 30,000 to 2,000,000, preferably 100,000 to 1,000,000.

As the quaternized polyvinylpyrrolidone derivative, those represented by the following general formula (18) are preferable.

[0067]

[Chemical 14]

[In the formula (18), R ^{46 is a} hydrogen atom or an alkyl group having 1 to 3 carbon atoms R ⁴⁷ , R ⁴⁸ , and R ^{49 are the} same or different and are hydrogen atoms,
Alkyl group having 1 to 4 carbon atoms, hydroxyalkyl group, amidoalkyl group, cyanoalkyl group, alkoxyalkyl group, carboalkoxyalkyl group Y: oxygen group or NH group in amide bond X ₅ : anion (chlorine, bromine, Iodine, sulfuric acid, sulfonic acid, alkyl sulfuric acid having 1 to 4 carbon atoms, phosphoric acid, nitric acid, etc.) u: integer of 1 to 10 v + w = integer of 20 to 8000]

The molecular weight of the quaternized polyvinylpyrrolidone derivative is 10,000 to 2,000,000, preferably 50,000 to 1,500,000. The content of the cationic nitrogen derived from the cationic polymer contained in the vinyl polymer is 0.004 to 0.2%, preferably 0.0 to 0.2% with respect to the vinyl polymer.
It is 1 to 0.15%. If it is 0.004% or less, the effect is not sufficient, and if it is 0.2% or more, the performance is good, but it also causes coloring of the vinyl polymer and is economically disadvantageous.

As the polyglycol polyamine condensate, those represented by the following general formula (19) are preferable.

[0071]

[Chemical 15]

[In the formula (19), R ⁵⁰ , R ⁵² , R ⁵³ ,
R ⁵⁵ : hydroxyalkylene group having 2 to 4 carbon atoms R ⁵¹ , R ⁵⁴ : alkylene group having 2 to 3 carbon atoms α, β: integer of 10 to 20 x: integer of 2 to 4 y: integer of 2 to 6 z : Integer of 1 to 50 R ⁵⁶ : straight chain or branched chain alkyl group having 6 to 20 carbon atoms]

As the adipic acid / dimethylaminohydroxypropylethylenetriamine copolymer, those manufactured and sold by Sandos Co., Ltd. under the trade name "Cartaylene" are preferable.

In the present invention, among these cationic polymers, cationized cellulose derivatives are particularly preferable, and hydroxyethyl cellulose hydroxypropyltrimethylammonium chloride ether is particularly preferable. This is a polymer obtained by adding glycidyl trimethyl chloride to hydroxyethyl cellulose, contains 0.5 to 2.5% of nitrogen, and has an average molecular weight of 10,
000 to 20,000,000 polymers. Among them, particularly preferably, the average molecular weight is 400,000-6,6.
, 000,000.

In the present invention, the cationic polymer as the component (e) may be used alone or in combination of two or more kinds, and the compounding amount thereof is 0.01 to the total amount of the composition.
10%, especially 0.1-5% is preferable.

In the detergent composition of the present invention, the non-ionic polymer of the component (d) and the cationic polymer of the component (e) are used in combination to disperse the water-insoluble fine powder of the component (c). It is possible to stabilize and improve the feeling of use.

In addition to the above-mentioned essential components, the detergent composition of the present invention may contain optional components that are generally incorporated. Examples of these optional components include solubilizers such as propylene glycol and glycerin; viscosity modifiers such as ethyl alcohol, isopropyl alcohol, hydroxyethyl cellulose, methyl cellulose, and higher alcohols; antiseborrheic substances; antibiotics; sulfur, salicylic acid, enzymes. Examples thereof include keratolytic or keratin softening substances; deodorants, lotions, fragrances, dyes, ultraviolet absorbers, antioxidants, preservatives and the like.

The detergent composition of the present invention can be prepared by a conventional method. First, the component (c) is treated with the component (d), and the obtained polymer-coated powder is mixed with the component (e) and the component (e). It is preferable to add (a) and the component (b) to a uniformly dissolved product, and mix and disperse them to prepare.

[0079]

EFFECT OF THE INVENTION The detergent composition of the present invention can stably disperse water-insoluble fine powder such as an antibacterial agent for a long period of time, is excellent in anti-dandruff effect, deodorant effect, conditioning effect, and is used with low irritation. It has a good feel and is extremely useful.

[0080]

The present invention will be further described with reference to examples, but the present invention is not limited thereto.

Example 1 A detergent composition having the composition shown in Table 1 was prepared, and this was prepared at 40 ° C.
After storing for 1 week in, the dispersion stability was evaluated by visual observation. The results are shown in Table 1. The production method and evaluation criteria of the cleaning composition are as follows.

(Production Method) Inventive product 1: A homogeneous solution obtained by mixing component (a), component (b), component (e) and a part of water into an aqueous solution of component (d). ) Was added under stirring. Comparative product 1: Component (a), component (b) and a part of water were mixed to form a uniform solution, and a dispersion of component (c) in an aqueous solution of component (d) was added with stirring. Comparative product 2: Component (c) was added with stirring to a homogeneous solution prepared by mixing component (a), component (b), component (e) and water. Comparative product 3: Component (a), component (b) and water were mixed to form a uniform solution, and component (c) was added with stirring. (Evaluation Criteria) O: Dispersed uniformly. X: Separated.

[0083]

[Table 1]

As is clear from the results shown in Table 1, the detergent composition of the present invention has excellent dispersion stability of zinc pyrithione which is a water-insoluble fine powder.

Example 2 Shampoo composition (composition) (%) (1) Alkyl glucoside ^{* 1} 4.0 (2) Polyoxyethylene (2.5) lauryl ether sulfate triethanolamine salt 12.0 (3) Zinc pyrithione 1 .0 (4) Polyvinyl alcohol ^{* 2} (Polymerization degree 1000; Saponification degree 88) 1.0 (5) Cationized cellulose ^{* 3} (Molecular weight 800,000; N% 1.5) 0.5 (6) Perfume 0.3 (7) Dye Trace amount (8) Triethanolamine Appropriate amount (9) Water balance * 1: In formula (1), R ¹ = decyl group, G = glucose a = 0, b (average value) = 3.0 * 2: Shin-Etsu Poval PA -10 (manufactured by Shin-Etsu Chemical Co., Ltd.) * 3: Kachisero M-80 (manufactured by Kao)

(Manufacturing Method) Part of (1), (2), (5), (6) and (9) is mixed to form a uniform solution. (3) was dispersed in the aqueous solution of (4), this dispersion was added to the above homogeneous solution with stirring, and (7) and (8) were further added to obtain a shampoo composition.
The shampoo composition was excellent in shampoo performance such as foam amount and touch, and had high anti-dandruff / itch effect, low skin irritation, and good dispersion stability of water-insoluble fine particles.

Example 3 Shampoo Composition (Composition) (%) (1) Alkyl glucoside ^{* 1} 7.0 (2) Lauryl sulfate triethanolamine 7.0 (3) Selenium disulfide 1.0 (4) Polyvinylpyrrolidone ^{* 2} 0.8 (5) Cationized guar gum ^{* 3} 1.0 (6) Coconut oil fatty acid diethanolamide 1.0 (7) Ethylene glycol distearate 2.0 (8) Dye trace amount (9) Perfume 0.5 (10) Phosphoric acid Appropriate amount (11) Preservative Appropriate amount (12) Water balance * 1: In formula (1), R ¹ = dodecyl group, G = glucose a = 0, b (average value) = 1.5 * 2: Rubiscol K-30 (GAF) * 3: Jaguar C13S (Mayhall)

(Production Method) (1), (2), (5), (6), (7) and (12)
Part of the above is mixed to make a uniform solution. (3) is dispersed in the aqueous solution of (4), the dispersion is added to the above homogeneous solution under stirring, and (8), (9), (10) and (11) are further added to the shampoo composition. Got This shampoo composition has excellent shampoo performance such as foam amount and feel, and further has anti-dandruff
The itch effect was high, the skin irritation was low, and the dispersion stability of the water-insoluble fine particles was good.

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Claims (3)

[Claims] 1. A group consisting of the following components (a) to (e) (a) sugar-based nonionic surfactant (b) anionic surfactant, amphoteric surfactant and cationic surfactant: A detergent composition containing one or more surfactants selected from the following (c) water-insoluble fine powder (d) nonionic polymer (e) cationic polymer. 2. The cleaning composition according to claim 1, wherein the water-insoluble fine powder (c) is a 2-mercaptopyridine-N-oxide polyvalent metal salt or selenium disulfide. 3. A polymer-coated powder obtained by treating a water-insoluble fine powder (c) with a nonionic polymer (d), a cationic polymer (e), a sugar-based nonionic surfactant ( a) and by adding and dispersing it in a mixture of one or more surfactants (b) selected from the group consisting of anionic surfactants, amphoteric surfactants and cationic surfactants. The cleaning composition according to claim 1, which is obtained.