JP2000159642A - Shampooing composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a shampooing composition forming a stable emulsion disperse system, free from dry and brittle of hair after hair washing and capable of imparting excellent touch feeling after finishing by including a silicone derivative (emulsion) and a specific polymer compound. SOLUTION: This shampooing composition comprises (A) 0.001-10 wt.% (as silicone derivative amount) silicone derivative (emulsion) (e.g. dimethylpolysiloxane) and (B) 0.05-5 wt.% straight-chain cationic polymer compound having α-1,6' glycoside bond and represented by formula I [R is H, a hydroxy-lower alkyl or a quaternary nitrogen-containing group of formula II (R1 is H or a hydroxy-lower alkyl; R2 to R4 are each a lower alkyl) and one or more groups of R are each groups of formula II; (n) is 200,000 to 30,000]. A silicone derivative having 5-10,000,000 cSt viscosity (at 25 deg.C) is preferable as the silicone derivative. The component B includes e.g. a cationic dextran (derivative).

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 forms a stable emulsified dispersion system, has no dryness after washing the hair, and can give an excellent finished feel.

[0002]

2. Description of the Related Art
Silicone derivatives form a uniform thin film on the surface of the hair,
It has been frequently used in various hair cosmetics as an oil layer component for imparting smoothness. However, this silicone derivative has a property that it is difficult to form a stable emulsified / dispersed system. Therefore, various studies have been made to solve the dispersion stability. For example, a method using a polyalkylene-modified silicone and a method using a suspending agent such as ethylene glycol monostearate or distearate (Japanese Patent Application Laid-Open No. 62-77311) have been proposed.

[0003] However, even by such a method, the result of sufficiently dispersing and stabilizing the silicone derivative cannot be obtained, and it is difficult to obtain a satisfactory emulsified dispersion system. In addition, these hair cleansing compositions can be applied to hair after washing and drying. At present, there has not yet been obtained any material which gives a feeling of dryness and which can give an excellent finished feel.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a hair cleaning composition capable of forming a stable emulsified dispersion system and having an excellent finished feel without the hair having a dry hair after washing. The purpose is to provide things.

[0005]

Means for Solving the Problems and Embodiments of the Invention The present inventors have conducted intensive studies to achieve the above object, and as a result, one or more kinds selected from silicone derivatives and emulsions thereof have been described below. By combining in combination with one or more selected from linear cationic polymer compounds having a specific structure shown in the above, these components exhibit a synergistic effect, and The present inventors have found that a hair cleansing composition which can be emulsified and dispersed very stably and gives an excellent finish to hair after shampooing can be obtained, and the present invention has been completed.

In this case, the cationic polymer compound adheres to the hair to form a thin film, has a conditioning effect, a hair protection effect, a setting effect, and the like, and is known as a component of a hair cleaning composition. . Hair or skin cosmetics containing a cationized dextran derivative have been proposed in JP-A-57-5701 and JP-A-57-70101. However, a combination of a silicone derivative or an emulsion thereof and a linear cationic polymer compound having a specific structure represented by the following formula (1) or a salt thereof is blended into a hair cleansing composition, whereby: As is clear from the results of Examples, compared to the case where a cationic polymer compound other than the cationic polymer compound represented by the above formula (1) is used in combination, even when stored at a high temperature for a long period of time, separation can be achieved. The fact that there is no aggregation and the finish feel is so good that the finish feel is incomparable, and that the emulsification and dispersion stabilization of the silicone derivative and the extremely remarkable effect of giving an excellent finish feeling to the hair after shampooing are obtained. This was first discovered by the inventor.

Accordingly, the present invention relates to (A) one or more kinds selected from silicone derivatives and emulsions thereof, and (B) α-1, 1 represented by the following general formula (1).
Provided is a hair cleaning composition characterized by being used in combination with one or more linear cationic polymer compounds having a 6 'glucoside bond.

Hereinafter, the present invention will be described in more detail. In the hair cleansing composition of the present invention, a silicone derivative or an emulsion thereof is used as the component (A). Here, the silicone derivative is not particularly limited, and those usually used in a hair cleaning composition can be used. Examples thereof include dimethylpolysiloxane (including highly polymerized dimethylpolysiloxane and silicone rubber), methylphenylpolysiloxane, polyether-modified silicone oil, and polyamino-modified silicone oil. Of these, dimethylpolysiloxane is particularly preferred.

As the silicone derivative, usually 25
It is preferred that the viscosity at 5 ° C. is 5 to 10,000,000 centistokes (cs), particularly 10 to 1,000,000 centistokes.

As the emulsion of the silicone derivative, various emulsions can be used as long as these silicone derivatives are emulsified with a surfactant to form an emulsion. The surfactant used in the emulsion and the emulsification method are not particularly limited, and a general one can be used.

In the present invention, as the component (A), one type selected from the above silicone derivatives and emulsions thereof can be used alone or in combination of two or more types. The compounding amount of the emulsion is preferably 0.001 to 10% by weight, particularly preferably 0.1 to 5% by weight, based on the total amount of the silicone composition. If the compounding amount is less than the above value, a satisfactory compounding effect may not be obtained, and if the compounding amount is more than the above value, stable emulsification and dispersion may not be performed or stickiness may occur.

The cationic (cationic) polymer compound of the component (B) is represented by the following general formula (1).
It is a linear cationic polymer compound having a 6 'glucoside bond.

[0013]

Embedded image Wherein R is a group selected from a hydrogen atom, a hydroxy lower alkyl group and a quaternary nitrogen-containing group represented by the following formula (2), and at least one of R is represented by the above formula (2) Is a quaternary nitrogen-containing group. n is 20
It is a positive number of ３０30,000. ]

[0014]

Embedded image (Here, R ¹ represents a hydrogen atom or a hydroxy lower alkyl group, and R ² , R ³ , and R ⁴ each represent a lower alkyl group.)

In the present invention, by blending a linear cationic polymer compound of the above formula (1) having an α-1,6 ′ glucoside bond, stable dispersion of the silicone derivative can be achieved. It can ensure a good finish after shampooing, and even if it is a cationic polymer compound, α-
Linear cationized cellulose having a 1,4'-glucoside bond, for example, Polyguaternium-1
When 0 or the like or a cationized guar gum which has an α-1,6 ′ glucoside bond in the molecule but is branched, the silicone derivative can be stably dispersed in the system, and the hair can be washed. Neither can it prevent the hair from sticking later.

In the above formula (1), the hydroxy lower alkyl group for the substituent R is a lower alkyl group having 1 to 4 carbon atoms, for example, a methyl group, an ethyl group, an n-propyl group,
Those having a t-propyl group, n-butyl group, t-butyl group and the like are preferable.

In the quaternary nitrogen-containing group of the formula (2), examples of the hydroxy lower alkyl group for R ¹ include the same groups as described above, and the lower alkyl groups for R ² , R ³ and R ⁴ . Examples of the group include a methyl group having 1 to 4 carbon atoms, an ethyl group, an n-propyl group, a t-propyl group, an n-butyl group,
A t-butyl group and the like can be mentioned. Specific examples of the quaternary nitrogen-containing group of the formula (2) include a trimethylammoniopropyl group. Further, at least one of the substituents R needs to be a quaternary nitrogen-containing group of the formula (2). The nitrogen content in the formula (1) is 0.1%.
The content is preferably 2 to 4% by weight, particularly 0.5 to 3.5% by weight, and it is preferable to adjust the substitution ratio of the quaternary nitrogen-containing group of the formula (2) in the compound so as to fall within this range. . n is a positive number of 20 to 30,000, preferably 50 to 20,000.

Specific examples of such a cationic polymer compound include cationic dextran or a derivative thereof, and one of these can be used alone or two or more of them can be used in combination.

The synthesis of the cationic polymer compound of the above formula (1) is carried out, for example, by adding a cationizing agent such as glycidyltrialkylammonium salt or 3-halo-2-hydroxypropyltrilower alkylammonium to dextran and hydroxy lower alkylation. It is obtained by reacting the agent with the agent in any order.

The amount of the cationic polymer compound (B) is from 0.05 to 5 based on the total amount of the hair cleaning composition.
%, Preferably in the range of 0.1 to 2%, especially 0.5 to 1% by weight. If the amount is less than the above-mentioned value, the effect of stabilizing the emulsified / dispersed system may be insufficient. If the amount exceeds the above-mentioned value, stickiness may be accompanied.

The hair cleansing composition of the present invention can be prepared as a shampoo, a shampoo having a rinsing function, etc., depending on the purpose of use and the form of use of the product, and in order to express desired performance. In addition to the above essential components, various optional components can be added as long as the effects of the present invention are not impaired. Optional components include, for example, anionic surfactants, amphoteric surfactants, cationic surfactants, surfactants such as nonionic surfactants, thickeners, thinners,
Oils other than silicone derivatives, solvents, preservatives, dandruff, bactericides, antioxidants, tonics, coloring agents, fragrances,
UV absorber, polymer compound other than the cationic polymer compound of the above formula (1), hydrotrope, wetting agent, pH
Adjusters and the like can be mentioned, and these can be blended as needed.

[0022]

EFFECT OF THE INVENTION The hair cleansing composition of the present invention is capable of forming a stable emulsified / dispersed system, and is capable of imparting an excellent finish feeling without the hair becoming dry after washing the hair. It can be suitably used as such.

[0023]

EXAMPLES The present invention will be described below in detail with reference to Examples and Comparative Examples, but the present invention is not limited to the following Examples.

Examples 1 to 10 and Comparative Examples 1 to 3
A hair cleansing composition having the composition shown in No. 2 was prepared by a conventional method, and dispersion stability and finished feel after washing the hair were evaluated by the following test methods. The results are shown in Tables 1 and 2.

<Dispersion stability>
The sample was allowed to stand in a constant temperature room at a temperature of ℃, and the stability immediately after the trial production and after a certain period were evaluated according to the following evaluation criteria. ：: Separation, no aggregation △: Separation, slight aggregation ×: Separation, aggregation

<Finish feeling after hair washing> As standard samples, 15% by weight of sodium polyoxyethylene lauryl ether sulfate (p = 3), 3% by weight of coconut oil fatty acid diethanolamide, 1% by weight of anhydrous sodium sulfate, and citric acid.
A solution consisting of an appropriate amount of monohydrate (adjusted amount of pH 6.0) and the remaining portion of purified water was prepared.

The hair was divided into left and right sides, and the standard sample 3 was placed on one side.
g of the test sample on the other side, 3 g of the test sample were applied, the hair was washed, and after drying, the hair was evaluated for fuzziness as reported by 10 subjects, and the total score of the 10 subjects was calculated. The evaluation was performed according to the symbols. Rating +3 points: Very good dryness after drying the hair compared to the standard sample. +2 points: The absence of dryness after drying the hair is better than that of the standard sample. +1 point: Compared to a standard sample, the absence of a dry hair after drying the hair is slightly better. 0 point: Compared to the standard sample, the absence of a dry hair after drying the hair is equivalent. -1 point: The lack of dryness after drying the hair was slightly worse than that of the standard sample. -2 points: poor dryness after drying the hair compared to the standard sample. -3 points: Very poor dryness after drying the hair as compared with the standard sample. Rating ◎: 30 to 20 points ○: 19 to 10 points △: 9 to -10 points ×: -11 to -30 points

As is clear from the results shown in Tables 1 and 2, even when the cationic polymer compound is mixed with a linear cationized cellulose having an α-1,4′-glucoside bond (Comparative Example 1). ), When a cationized guar gum having an α-1,6 ′ glucosidic bond in the molecule but in a branched state was blended (Comparative Example 2), or when a cationic polymer compound was not blended (Comparative Example 3) ) Was inferior in each of the evaluation items and could not achieve the object of the present invention.
In contrast to these, the hair cleansing agent of the present invention (Examples 1-1)
0), it was confirmed that the dispersion stability and the finished feel after washing the hair were all very good.

[0029]

[Table 1]

[0030]

[Table 2] (* 1) Trade name: SANNOL DL-1430 (manufactured by Lion Corporation) (* 2) Trade name: Liporan LB-440 (manufactured by Lion Corporation) (* 3) Trade name: Amizole CDE (manufactured by Kawaken Fine Chemicals) (* 4) Trade name: Enazicol L-30B (manufactured by Lion Corporation) (* 5) Trade name: Aromox DM12D-W (manufactured by Lion Corporation) (* 6) Trade name: Enazicol C-40H (Lion) (* 7) Product name: Home Lead CD (Lion Corporation)
(* 8) Dimethylpolysiloxane (100,000c
s) Emulsion obtained by emulsifying 40% by weight of polyoxyalkylphenyl ether phosphoric acid and polyoxyethylene nonylphenyl ether (* 9) Trade name: LEOGARD GP (manufactured by Lion Corporation)

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) C11D 17/08 C11D 17/08 // C08B 37/00 C08B 37/00 JK 37/02 37/02 F-term (reference ) 4C083 AC242 AC302 AC312 AC482 AC522 AC542 AC712 AC782 AC792 AD151 AD152 AD211 AD212 AD282 AD352 AD391 BB06 CC38 CC39 DD23 DD27 DD31 EE03 EE06 4C090 AA09 BA06 BA12 BB32 BB38 BB62 BB72 BB82 BB92 BD34 BD35 DA09 AB12 DAH3 EB09 EB37 EB41 ED02 FA21 FA37 4J002 AB05X CP03W CP05W CP09W GB00 HA07

Claims (2)

[Claims] 1. A linear compound having (A) one or more selected from silicone derivatives and emulsions thereof and (B) an α-1,6 ′ glucoside bond represented by the following general formula (1): 1 selected from cationic polymer compounds
A hair cleaning composition characterized by comprising a combination of two or more species. Embedded image Wherein R is a hydrogen atom, a hydroxy lower alkyl group and the following formula (2): Wherein R ¹ represents a hydrogen atom or a hydroxy lower alkyl group, and R ² , R ³ , and R ⁴ each represent a lower alkyl group. And at least one of R is a quaternary nitrogen-containing group represented by the above formula (2). n is 20-30,
000 is a positive number. ] 2. The cationic polymer compound as the component (B) is a cationic dextran or a derivative thereof.
The hair cleansing composition according to any one of the preceding claims.