JP2003104852A - Detergent composition for hair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a detergent composition having excellent foamability, conditioning properties in shampooing and stability in high-temperature preservation at the same time. SOLUTION: This detergent composition for the hair comprises at least (A) one or more kinds selected from an anionic surfactant, a nonionic surfactant, an amphoteric surfactant and a cationic surfactant and (B) a polyglycerol fatty acid ester which is composed of a polyglycerol having 4-10 polymerization degree and a 16-26C fatty acid and is solid at a normal temperature.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cleansing composition, which relates to foaming properties and conditioning properties during hair washing,
Especially, satisfying both finishing performance after drying,
The present invention relates to a hair cleansing composition having excellent stability.

[0002]

2. Description of the Related Art Conventionally, various proposals have been made for hair cleansing compositions in order to improve the feel of the hair and impart a conditioning effect. For example, silicone compounds, oils and fats such as liquid paraffin, and various Polymer substances, solid waxes, cationic activators, etc. have been blended and studied to meet the required quality. However, in order to obtain a sufficient conditioning effect at the time of washing hair, it is necessary to add a large amount of oils and fats, and in such a case, foaming is reduced, hair is accompanied by stickiness and stickiness, and also in the effect of preventing dryness. Not enough,
There are various problems such as appearance change (whiteness change, layer separation) when stored at high temperature, and a hair cleaning composition that has improved these problems has been desired.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances in the prior art, and is a hair cleansing agent which is excellent in foaming property, conditioning property at the time of washing hair, and stability at high temperature storage. It is intended to provide a composition.

[0004]

As a result of intensive studies on the above problems, the present inventors have completed the present invention containing a specific polyglycerin fatty acid ester which is solid at room temperature. That is, the present invention is a hair cleaning composition comprising at least the following components (A) and (B). (A) One or more selected from anionic surfactants, nonionic, amphoteric and cationic surfactants. (B) Polyglycerin having a degree of polymerization of 4 to 10 and carbon number of 16 to
Polyglycerin fatty acid ester which is solid at room temperature and consists of 26 fatty acids. It is desirable to further add a silicone compound and / or a water-soluble polymer to the above hair cleaning composition.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in more detail. As the cleaning base of the component (A) of the present invention, one or two selected from anionic surfactants, nonionic surfactants, amphoteric surfactants and cationic (cationic) surfactants. Use more than one seed. Examples of the anionic surfactant include alkyl sulfonates, alkyl sulfates, acylated amino acid salts, polyoxyethylene alkyl ether sulfates, alkylbenzene sulfonates, N-acyl-N-methyl taurine salts, α-
Examples thereof include olefin sulfonates, higher fatty acid ester sulfonates, alkyl ether acetates, polyoxyethylene alkyl ether acetates, fatty acid soaps, alkyl phosphate ester salts and the like.

Of these, polyoxyethylene lauryl ether sulfate, N-lauroyl-N-methyl-β-alanine salt, polyoxyethylene lauryl ether acetate, polyoxyethylene lauryl amide acetate and monoalkyl phosphate are preferable. As the salt used here, metal salts such as sodium, potassium and magnesium; ammonium salts; organic ammonium salts such as monoethanolammonium, diethanolammonium, triethanolammonium salts and the like are preferable.

Examples of the amphoteric surfactant include alkyl betaine-based surfactants, amidobetaine-based surfactants, sulfobetaine-based surfactants, hydroxysulfobetaine-based surfactants, amidosulfobetaine-based surfactants and phosphobetaine-based surfactants. Examples thereof include surfactants, imidazolinium betaine-based surfactants, aminopropionic acid-based surfactants, amino acid-based surfactants and the like. Among them, alkyl betaine, amidopropyl betaine, lauryl hydroxysulfobetaine, 2-alkyl-N-carboxymethyl-N
-Hydroxyethyl imidazolinium betaine, lauryl imino dipropionic acid, N- [3-alkyl (12,
14) Oxy-2-hydroxypropyl] -L-arginine hydrochloric acid is preferred. Further, amine oxide-based surfactants are also suitable, and lauryldimethylamine oxide is particularly preferable.

As the nonionic surfactant, polyoxyethylene fatty acid ester, polyoxyethylene hydrogenated castor oil, polyoxyethylene sorbitan fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene glycol. Etc. Among them, polyethylene glycol monostearate, decaglyceryl monolaurate, polyoxyethylene lauryl ether, polyoxyethylene (160) polyoxypropylene (3
0) Glycol and the like are preferable.

In addition, coconut oil fatty acid alkanolamide, sucrose fatty acid ester, alkyl glycoside, alkyl glyceryl glycoside, methyl glucoside fatty acid ester and the like can be mentioned. The amount of the anionic, amphoteric and nonionic surfactants is preferably 5 to 60% by mass of the detergent composition (the amount will be simply referred to as% hereinafter),
Particularly, 10 to 50% is preferable. Above all, it is preferable to add 1% or more of the amphoteric surfactant to the composition, because the stability of the composition over time is improved. These surfactants may be used alone, but it is preferable to use a mixture of anionic, amphoteric and nonionic surfactants.

Examples of the cationic surfactant include compounds represented by the following general formula (1).

[Chemical 1] R ₆ , R ₇ , R ₈ and R _{9 in} the above general formula (1) each represent an alkyl group, a hydroxyalkyl group, an alkenyl group, a polyalkylene oxide group or a benzyl group,
One or two of them are a linear alkyl group having 10 to 24 carbon atoms, a hydroxyalkyl group or an alkenyl group,
The rest is a methyl group, an ethyl group, a benzyl group, or-(C _{2
H 4 O) q -H, -} (C 3 H 6 O) r -H ( where, q and r
Are each an integer of 1 to 5), but they may be the same or different from each other. Z ⁻ represents an anion.

In this case, specific examples include stearyltrimethylammonium chloride, cetyltrimethylammonium chloride, behenyltrimethylammonium chloride, cetostearyltrimethylammonium chloride, distearyldimethylammonium chloride and dibehenyldimethylammonium chloride.

Further, the guanidine derivative represented by the following general formula (2) can also be mentioned as the cationic surfactant.

[Chemical 2] (However, in the formula, R ₁₀ is a linear or branched alkyl group having 1 to 21 carbon atoms, A is a linear or branched alkylene group having 1 to 10 carbon atoms, or an alkenylene group, t is an integer of 1 to 5, and when t is 2 or more, A in each block may be different from each other.)

R in the general formula (2)_TenHas 1 to 2 carbon atoms
1, preferably 11 to 19 linear or branched
An alkyl group or an alkenyl group, such as C₁₁H_{twenty three}
-, C ₁₂H_{twenty five}-, C₁₃H₂₇-, C₁₄H₂₉-, C₁₅H
₃₁-, C₁₆H₃₃-, C₁₇H₃₅-, (C₈H₁₇)₂CH-,
4-C₂H_FiveC₁₅H₃₀Groups such as-are preferred. Substituent A
Is a straight chain having 1 to 10 carbon atoms, preferably 2 to 6 carbon atoms
Is a branched alkylene group or alkenylene group,
For example, methylene group, ethylene group, propylene group, butylene
Group, pentylene group, hexylene group, isopropylene
Group, 2-pentenyl group, 2-ethylbutylene group and the like.
To be

The guanidine derivative of the general formula (2) is usually blended in the form of a salt, specifically, inorganic salts such as hydrochloride, organic salts such as glycolate, acetate, citrate and acidic amino acid salt. It can be used as an acid salt or the like. However, an inorganic acid salt is preferable from the viewpoint of solubility in water, and a glycolate is preferable when the organic acid salt is used.

The amount of the alkyl quaternary ammonium salt of the general formula (1) and the guanidine derivative of the general formula (2) or a salt thereof is not limited, but it is usually in the range of 0.05 to 5% based on the entire composition. Is preferable, and more preferably 0.5 to 3%. If the content of the guanidine derivative or its salt is less than 0.05%, the finishing effect is insufficient, and if it exceeds 5%, stickiness occurs.

As the amino acid-based cationic surfactant, a mono-N-long chain acyl basic amino acid lower alkyl ester salt can be mentioned. Examples of the basic amino acid which constitutes this compound include natural amino acids such as ornithine, lysine and arginine. It is also possible to use synthetic amino acids such as α, γ-diaminobutyric acid. These may be optically active or racemic. The acyl group has 8 to 8 carbon atoms.
22 saturated or unsaturated higher fatty acid residues. These may be natural or synthetic. For example, a single higher fatty acid residue such as lauroyl group, myristoyl group, palmitoyl group and stearoyl group, and natural mixed higher fatty acid residue such as coconut oil fatty acid residue and beef tallow higher fatty acid residue can be employed.

As the lower alkyl ester component constituting the above compound, methyl ester, ethyl ester, propyl ester, butyl ester, pentyl ester,
Hexyl esters, heptyl esters and octyl esters are preferred. As the salt constituting the above compound,
Inorganic acid salt such as hydrochloride or sulfate, or acetate,
An organic acid salt such as a tartrate salt, a citrate salt, a p-toluenesulfonate salt, a higher fatty acid salt, an acidic amino acid salt, or a pyroglutamate salt can be adopted. Of these, the hydrochloride, L- or DL-pyrrolidone carboxylate and acidic amino acid salt forms are preferred.

The amount of the mono-N-long chain acyl basic amino acid lower alkyl ester salt to be added is not particularly limited, but is preferably 0.1 to 5%, particularly 0.3 to 3 based on the entire composition. % Is preferably included. As the component (A) described above, one type may be usually used alone, or two or more types may be used in combination.

The polyglycerin fatty acid ester which is solid at room temperature as the component (B) of the present invention is a polyglycerin which is solid at room temperature and comprises polyglycerin having a degree of polymerization of 4 to 10 and a fatty acid having 16 to 26 carbon atoms. Fatty acid esters are mentioned. Furthermore, the melting point of the polyglycerin fatty acid ester is preferably 50 ° C. or higher. In addition, a polyglycerin fatty acid ester composed of polyglycerin having a degree of polymerization of 4 to 10 of 70% or more and polyglycerin having a degree of polymerization of 50% of 50% or more and a fatty acid having a carbon number of 16 to 26 of 50% or more is more preferable. preferable. Furthermore, a polyglycerin fatty acid ester composed of a fatty acid containing 50% or more of 22 carbon atoms is preferable. In addition, in these polyglycerin fatty acid esters, the effect is exerted also on the number of fatty acid bonds at the ester site.

The polyglycerin containing 70% or more of polyglycerin having a degree of polymerization of 4 to 10 means that the rest contains 0 to 30% of polyglycerin having a degree of polymerization of 3 or less. In the present invention, polyglycerin having a degree of polymerization of 3 or less is
From the viewpoint of foaming, it is preferable not to allow it to exist if possible.

The fatty acid containing 50% or more of 16 to 26 carbon atoms means that the fatty acid of less than 16 carbon atoms may be contained in less than 50%. Further, a fatty acid containing 50% or more of 18 or more carbon atoms means containing 50% or less of a fatty acid of less than 18 carbon atoms.

Specific examples of the polyglycerin fatty acid ester of the present invention include (1) polyglycerin (containing 70% or more of a polymerization degree of 4 to 10) and general stearic acid (having 16 carbon atoms of about 40).
%, C18 about 50%), or high-purity stearic acid (C18 about 90%), or behenic acid (C22 about 80%), or a fatty acid with a mixed chain length thereof. Ester compound. (2) Polyglycerin (polymerization degree 4 to 10 is 70% or more and polymerization degree 5 is 50% or more) and general stearic acid (16 carbon atoms is about 40%, 18 carbon atoms is about 50%).
%) Or high-purity stearic acid (C18 has about 90
%), And further behenic acid (22 carbon atoms is about 80%),
Alternatively, esterified products with these mixed chain length fatty acids may be mentioned.

Examples of such polyglycerin fatty acid ester include polyglycerin stearic acid ester, polyglycerin stearic acid / behenic acid ester, polyglycerin high-purity stearic acid ester, polyglycerin high-purity stearic acid / behenic acid ester, and polyglycerin behemia ester. The diesters, triesters, tetraesters, pentaesters, hexaester types, etc. of the nicotinic acid ester are included. The number of fatty acid bonds in the ester moiety of the polyglycerin fatty acid ester as the component (B) used in the present invention is 2 to 6, preferably 2 to 4. A fatty acid bond number of 1 or less is not preferable in terms of stability (at the time of storage at high temperature), and a fatty acid bond number of 7 or more is not preferable in terms of finish after drying.

As the component (B), one type may be used on its own or two or more types may be used in combination. The amount thereof is usually preferably in the range of 0.5 to 10% by weight, more preferably 1 to 5% by weight, based on the entire composition.
If the blending amount is less than 0.5% by weight, the feeling of use is insufficient,
If it exceeds 10% by weight, the stability with time deteriorates.

The hair cleansing composition of the present invention has a silicone-based composition for the purpose of exhibiting a higher conditioning property during hair washing.
It is preferable to blend a compound and / or a water-soluble polymer. Here, the silicone compound is not particularly limited in its kind, and it is possible to use the one which is usually used in the detergent composition. For example, dimethyl polysiloxane (highly polymerized dimethyl polysiloxane,
(Including silicone rubber), methylphenyl polysiloxane, polyether-modified silicone oil, polyamino-modified silicone oil, and the like, and these may be used alone or in combination of two or more.

Of these, dimethylpolysiloxane is particularly preferable. As the above silicone compound, 25
Viscosity at ℃ 0.05-100,000mm ² / s,
In particular, one having a thickness of ^{1 to} 10,000 mm ² / s is more preferably used. Further, as the above-mentioned silicone compound, those obtained by emulsifying the above-mentioned silicone derivative with a surfactant to form an emulsion can also be used. In addition, such an emulsion is not particularly limited in emulsifier and emulsification method and can be variously used. However, in the present invention, a silicone oil having a high molecular weight is more preferable. The content in the composition is preferably 0.1 to 5% by weight, more preferably 0.5 to 3% by weight. If the blending amount is too small, a good feel after drying may not be exhibited, and if the blending amount is too large, stable emulsion dispersion may not be possible.

The type of the water-soluble polymer is not particularly limited in its kind, such as anionic, nonionic, amphoteric, cationic, etc., and those usually used in detergent compositions can be used. . The anionic or nonionic water-soluble polymer may be either natural or synthetic, and examples thereof include pectin, carrageenan, guar gum, locust bean gum, gelatin, xanthan gum, carboxyvinyl polymer, carboxymethyl hydroxyethyl cellulose, hydroxyethyl cellulose, Examples thereof include hydroxypropylmethyl cellulose, alginate, starch, polyvinyl alcohol, polyacrylate, polymethacrylate, polymethylacrylate, polyethylene glycol, polyethylene oxide, tragalant gum and the like.

Examples of the amphoteric or cationic water-soluble polymer having a cationic residue include dimethyldiallylammonium chloride homopolymer whose functional group is dimethyldiallylammonium halide, dimethyldiallylammonium chloride / acrylamide copolymer, dimethyldiallyl chloride. Examples thereof include ammonium / acrylic acid copolymers and dimethyldiallylammonium chloride / acrylamide / acrylic acid terpolymers, and those sold by Calgon Co., Ltd. under the trade name Marcoat series can be used.

Further, as the polymer substance having another cationic residue, methacryloylethyl betaine / methacrylic acid ester copolymer and the like can be mentioned, which are sold by Mitsubishi Chemical Corporation under the trade name Yukaformer series. Can be used. Furthermore, in addition to cationized cellulose, cationized guar gum, cationized dextran, cationized pullulan, etc., cationized hydrolyzed keratin, cationized hydrolyzed silk, cationized collagen, etc. that have introduced cationic groups for protein hydrolysis, etc. Can be used. In addition, the said polymeric substance may be used individually by 1 type, and may use 2 or more types together. The blending amount in the composition is preferably 0.01 to 5%, and when 0.1 to 2% is further blended, foaming is particularly excellent, fine foam quality and rinsing property are also improved.

The hair cleaning composition of the present invention may optionally contain various commonly used additive components other than the above-mentioned components depending on the purpose of use, etc. within a range in which the effects of the present invention are not impaired. Is possible. Examples of such additional components include anionic surfactants, amphoteric surfactants, semipolar surfactants, nonionic surfactants, polyols, solubilizers, inorganic salts, organic salts, dibutylhydroxytoluene ( BHT) and other antioxidants, trichlorocarban and other germicides,

Viscosity modifiers, UV absorbers, animal and plant extracts, antidandruff agents such as zinc pyrithione, anti-inflammatory agents such as dipotassium glycyrrhizinate, benzoic acid and its salts, parabens, preservatives such as caisson CG, citric acid, A pH adjusting agent such as triethanolamine, a pearling agent such as ethylene glycol difatty acid ester, an emulsifying agent, a dye, a fragrance, etc. can be optionally added, and the addition amount of these does not hinder the effect of the present invention. The usual dose can be used within the range.

The method for preparing the hair cleansing composition of the present invention is not particularly limited, but the component (B) is added at about 75 ° C.
It is desirable to mix the solution melted in step (1) with a part of the component (A) mixed and melted at about 75 ° C. and slowly cool, and then mix the remaining components at about 40 ° C. to prepare. The hair cleansing composition of the present invention is particularly suitable for use in shampoos, such as rinse-in shampoos and treatment shampoos, which have high conditioning properties.

[0033]

EXAMPLES Next, the present invention will be described more specifically and in detail with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.

Examples 1 to 10 and Comparative Examples 1 to 5 The cleaning compositions of Examples and Comparative Examples of the A and B component compositions shown in Table 1 below (% of the blending amount are based on mass). ) Were prepared, and the foamability of these compositions was evaluated by the following method. The results are shown in Table 1.

(1) Evaluation of foamability of the composition <Evaluation method> The foamability of the prepared composition was evaluated by the Epton tube method *. It was evaluated by. * Epton tube method: A method of measuring the foam height (ml) when a sample or artificial dirt is sampled in an Epton tube and shaken 20 times / 10 seconds. Various additives (oil agents) are added to the following standard composition (cleaning agent base). , Polyglycerin fatty acid ester) was blended and the effect on foam height was evaluated. Standard composition (cleaning agent base: A component only) -sodium polyoxyethylene lauryl ether sulfate: 10 (%) (polyoxyethylene average added mole number: 3 moles) -coconut oil fatty acid amide propyl betaine: 3 (%) ( Evaluation criteria) Equivalent to the relative evaluation for the reference composition ○ Poor ×

[0036]

[Table 1]

Examples 11 to 28, Comparative Examples 6 to 18 Examples of A and B component compositions shown in Tables 2 and 3 below.
Each cleaning composition of Comparative Example (% of the compounding amount is based on mass) was prepared, and the stability of these compositions with time was evaluated by the following method. The results are shown in Tables 2 and 3.

(2) Evaluation of stability over time <Evaluation method> The prepared composition was stored at 40 ° C. and 50 ° C. for 1 month, and its melting resistance was evaluated according to the following evaluation criteria.

[0039]

[Table 2]

[0040]

[Table 3]

Examples 29 to 41, Comparative Examples 19 to 23 Detergent compositions (compositions) of Examples and Comparative Examples in which cationized cellulose and silicone emulsion were added to the components A and B shown in Table 4 below. Each% of the amount is based on mass.), And the feeling of use (texture after drying) of these compositions was evaluated by the following method.
The results are shown in Table 4. (3) Evaluation of feeling of use (texture after drying) Hair was divided into left and right parts, one of which was applied with the standard shampoo shown below, and the other of which was applied with the compositions shown in Examples and Comparative Examples, and after sufficient foaming. , Rinse hair with warm water. Further, the standard conditioner shown below is applied to the side treated with the standard shampoo, and the hair is rinsed with warm water.
After drying, the feeling of use from the time of rinsing to the time of drying was evaluated according to the following criteria by the declaration of 10 panelists.

[0042]   Standard shampoo   Sodium polyoxyethylene lauryl ether sulfate: 15 (%)       (Polyoxyethylene average addition mole number: 3 moles)   Coconut oil fatty acid amide propyl betaine: 3 (%)   Coconut oil fatty acid diethanolamide: 1.5 (%)   Cationized cellulose: 0.2 (%)   Fragrance: 0.4 (%)   Citric acid: Adjusted pH 6.0   Purified water: balance

Standard conditioner Stearyl trimethyl ammonium chloride: 1 (%) Cetostearyl alcohol: 3 (%) Trimethylsilyl group terminated dimethyl polysiloxane: 2 (%) (100 mm ² / s) Coconut oil fatty acid sorbitan: 0.5 (%) Vaseline: 0.5 (%) Fragrance: 0.5 (%) Purified water: The balance

Score +3 points: Remarkably good as compared with the standard sample. +2 points: Good compared with the standard sample. +1 point: Slightly better than the standard sample. 0 point: Equivalent to the standard sample. -1 point: Slightly worse than the standard sample. -2 points: worse than the standard sample. -3 points: Obviously worse than the standard sample.

Then, the total score of 10 panelists was calculated and judged as follows. ◎: 20 to 30 points ○: 10 to 19 points △: -10 to 9 points ×: -30 to -11 points

[0046]

[Table 4]

Examples 42 to 44 A large number of components A and B shown in Table 5 below and a storage stabilizer, which is a component which is preferably blended when commercializing the composition of the present invention, were added. Prepared respectively in the same manner, for these compositions, the foamability, stability with time,
It was evaluated by an evaluation method such as feeling of use. Good results were obtained with all combinations, but only three of them are shown in Table 5 as the results. However, examples of storage stabilizers include antioxidants, preservatives (sodium benzoate), dyes, fragrances, citric acid and the like.

[0048]

[Table 5]

From the results shown in Tables 1 to 5, the hair cleansing compositions of the examples of the present invention are much more foamable, more stable over time, and more comfortable to use (texture after drying) than those of the comparative examples. It is clear that the composition of the present invention is excellent, and particularly the composition lacking the component (B) does not exhibit a sufficient effect. In addition, in the examples shown in Table 5, storage stabilizers and the like, which are desirable components to be blended when commercializing the composition of the present invention, are included in Table 5. It can be seen that there is no adverse effect on the effect of.

[0050]

INDUSTRIAL APPLICABILITY In the polyglycerin fatty acid ester of the component (B) in the present invention, a. The degree of polymerization of 4 to 10 makes it difficult to dissolve in a detergent and exhibits a good foaming property. b. By defining the fatty acid composition, melting resistance at high temperature is secured. c. Furthermore, by defining the number of fatty acid bonds, the finishing performance after drying is dramatically improved. By adding the base having the above characteristics to a detergent composition composed of various surfactants, a hair detergent excellent in foaming property, conditioning property at the time of hair washing and stability which have been difficult so far. The composition can be provided.

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 4C083 AC012 AC072 AC302 AC421                       AC422 AC442 AC642 AC692                       AC712 AC782 AD132 AD151                       AD152 AD202 BB04 BB05                       BB06 BB07 BB36 CC38 EE01                       EE06 EE07

Claims (2)

[Claims] 1. A hair cleaning composition comprising at least the following components (A) and (B): (A) One or more selected from anionic surfactants, nonionic, amphoteric and cationic surfactants. (B) Polyglycerin having a degree of polymerization of 4 to 10 and carbon number of 16 to
Polyglycerin fatty acid ester which is solid at room temperature and consists of 26 fatty acids. 2. The cleansing composition for hair according to claim 1, which further comprises a silicone compound and / or a water-soluble polymer.