JP2012012375A - Hair treating agent and hair deodorant formulated with polymer deodorizing component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair deodorant which has very superior deodorizability against an unpleasant odor (for example, an unpleasant odor derived from a sulfur-containing compound and the like) and moreover, does not change the properties of a permanent wave agent or the like even if incorporated into the permanent wave agent or the like, and furthermore comprises a hair deodorant beforehand and as the result, does not cause an unpleasant odor during treatment operation and after treatment operation to maintain a deodorizing effect for a long time, and moreover does not damage the waving force or the like.SOLUTION: The hair treating agent and the hair deodorant include a cationic group and an anionic group and a straight-chain polymer having a molecular weight of 5×10or more.

Description

  The present invention relates to a hair treatment agent (in particular, a permanent wave agent, a hair straightener, a curling agent, etc.) and a hair deodorant.

In general, the first permanent agent contains a sulfur-containing compound (such as thioglycolic acid) as a reducing agent. However, conventionally, when such a permanent agent is used, there has been a problem that a strong unpleasant odor (particularly a mercapto odor) derived from a sulfur-containing compound is present in the hair during and after the permanent treatment.
On the other hand, as a deodorant for hair, for example, an aerosol product using acid water (electrolyzed water) obtained by electrolysis of saline solution or the like as a deodorizing component is known (Patent Document 1, [0006]).
However, since the aerosol product is a spray type, unpleasant odor cannot be removed during the treatment with the first agent of the permanent agent. Further, the deodorant component is volatilized by spraying and the deodorizing effect is not sustained so much. There was a problem such as.
Then, in order to solve such a problem, it is possible to cut off an odor from the origin by previously mix | blending electrolyzed water with the permanent agent itself.
However, since electrolyzed water generally contains hypochlorous acid and the like (Patent Document 1, [0007]), hypochlorous acid and a medicinal component of a permanent agent (in particular, a reducing agent, etc.) cause a chemical reaction. There is a problem that the agent is denatured, and as a result, the wave force and the like are impaired.

JP 2002-165868 A

  In view of the above circumstances, the present invention has an extremely excellent deodorizing and deodorizing ability against unpleasant odors (for example, unpleasant odors derived from sulfur-containing compounds), and even if blended with a permanent agent, the permanent agent is altered. An object is to provide a deodorant for hair that is not allowed. Further, the present invention is pre-blended with a hair deodorant, and as a result, there is no unpleasant odor during the treatment operation and after the treatment, and the deodorization effect lasts for a long time, and the wave power and the like are impaired. The purpose is to provide a permanent agent that cannot be used.

  In order to achieve the above object, the inventors of the present application diligently studied, and as a result, the following invention of the present application was achieved.

That is, the first invention of the present application provides a hair treatment agent characterized by containing a linear polymer having a cationic group and an anionic group and having a molecular weight of 5 × 10 ⁶ or more.

  The second invention of the present application provides the hair treatment agent of the first invention of the present application, wherein the linear polymer further has a nonionic group.

The third invention of the present application provides the hair treatment agent of the first invention of the present application or the second invention, wherein the molecular weight of the linear polymer is 2 × 10 ^{7 to} 3 × 10 ⁷ .

  A fourth invention of the present application provides the hair treatment agent according to any one of the first to third inventions of the present invention, wherein the linear polymer is an poly (meth) acrylamide resin.

  The fifth invention of the present application provides the hair treatment agent according to any one of the first to fourth inventions of the present invention, wherein the hair treatment agent is a permanent wave agent, a hair straightening agent, or a curling agent.

The sixth invention of the present application provides a hair deodorant characterized by containing a linear polymer having a cationic group and an anionic group and having a molecular weight of 5 × 10 ⁶ or more.

  The seventh invention of the present application provides the deodorizer for hair of the sixth invention of the present invention, wherein the linear polymer further has a nonionic group.

The eighth invention of the present application provides the deodorizer for hair of the sixth invention or the seventh invention, wherein the molecular weight of the linear polymer is 2 × 10 ^{7 to} 3 × 10 ⁷ .

  The ninth invention of the present application provides the deodorizer for hair according to any one of the sixth to eighth inventions, wherein the linear polymer is a poly (meth) acrylamide resin.

  According to the present invention, hair deodorant has an extremely excellent deodorizing and deodorizing ability against unpleasant odors (for example, unpleasant odors derived from sulfur-containing compounds), and does not alter the permanent agent even when blended with a permanent agent. An agent can be provided. Further, according to the present invention, a hair deodorant is pre-mixed in a permanent agent, etc., and there is no unpleasant odor during the treatment operation and after the treatment, and the deodorizing effect lasts for a long time, and the wave power and the like are impaired. Can provide a permanent agent and the like.

The present invention will be described in detail based on the best embodiment.
The hair treatment agent according to the present invention contains a polymer having a cationic group and an anionic group as a deodorizing / deodorizing component. These groups adsorb and neutralize acidic odor molecules (such as hydrogen sulfide) and alkaline odor molecules (such as ammonia).

  Examples of the cationic group in the polymer according to the present application include groups capable of neutralizing with acidic substances (including electrically neutral groups and cationic groups). Specifically, examples of the cationic group include basic groups (primary to tertiary amino groups, ammonium groups, etc.), and one or more cationic groups may be included.

  Examples of the anionic group in the polymer according to the present application include a group capable of neutralizing with an alkaline substance (including an electrically neutral group and an anion group). Specifically, examples of the anionic group include acidic groups [carboxyl group, sulfonic acid group, phosphoric acid group, and these (deprotonated) anionic groups, etc.], and may include one or more.

  The polymer according to the present application may further have a nonionic group in addition to the cationic group and the anionic group. Specific examples of the nonionic group include an alkyl group (methyl group, ethyl group, etc.), an amide group, and the like, and one or more may be included.

The molecular weight of the polymer according to the present application is 5 × 10 ⁶ or more, usually 1 × 10 ^{7 to} 5 × 10 ⁷ , typically 2 × 10 ^{7 to} 3 × 10 ⁷ . If the molecular weight is too small, odor molecules may not be adsorbed with sufficient intermolecular force.

  The polymer according to the present application has a substantially linear resin structure. The molecular shape of the resin is usually a so-called “string” in which threads are intertwined in water or the like. A large number of ultrafine pores are formed in this molecular shape, and odor molecules are taken in and adsorbed into the pores. The polymer according to the present application is usually water-soluble. Further, a sol or gel is formed in the air by spraying.

  Examples of the polymer according to the present application include poly (meth) acrylamide resins (polyacrylamide resins and / or polymethacrylamide resins), poly (meth) acrylic resins, and the like. A poly (meth) acrylamide resin is preferable.

  Specifically, the polymer according to the present application includes a poly (meth) acrylamide resin having a cationic group, an anionic group and a nonionic group, an acrylamide / (meth) acrylic acid copolymer resin [acrylamide / ( (Meth) ammonium acrylate copolymer, acrylamide / (meth) acrylate dimethylaminoethyl copolymer], quaternary ammonium monomer / (meth) acrylic acid copolymer resin [dimethyldiallylammonium compound / (meth) acrylic acid copolymer, (Meth) acrylamidopropyltrimethylammonium compound / (meth) acrylic acid copolymer, (meth) acryloyloxyethyltrimethylammonium compound / (meth) acrylic acid copolymer], acrylamide / (meth) acryldimethylaminoethyl ester Acrylic acid copolymer and the like, one or more is contained.

  As such a polymer compound, for example, commercially available products such as “Microgel S-B1”, “Microgel S-NE”, manufactured by Calmore Co., Ltd .; “KA804E”, “KA606A”, manufactured by Daianitrix, Inc. may be used. it can.

  As described above, the polymer according to the present application can effectively deodorize any of alkaline odor, acidic odor, and neutral odor. Therefore, the present invention can be widely applied to all hair treatment agents that require deodorization and deodorization.

For example, particularly suitable hair treatment agents include those containing a sulfur-containing compound (perm agents, hair straighteners, curling agents, etc.). Specific examples of the sulfur-containing compound include thioglycolic acid, cysteamine, thiolactic acid, cysteine, sulfurous acid, thioglycerol, lactone thiol, and salts thereof, and one or more of them may be contained.
When the hair treatment agent is a multi-drug type, the polymer according to the present application is preferably contained in an agent (usually the first agent) in which an odor source (such as a sulfur-containing compound) is blended.

  In the composition of the hair treatment agent according to the present application, when the hair treatment agent is a single agent type, in 100 ml of the hair treatment agent, and when the hair treatment agent is a multi-drug type, in 100 ml of the agent containing the polymer according to the present application, The polymer according to the present application is preferably contained in an amount of 0.0003 to 0.3 (particularly 0.0005 to 0.1) g. If the content of the polymer is too high, the viscosity increases, and as a result, the hair treatment operation becomes difficult, the hair treatment agent does not easily penetrate into the hair, or the amount of polymer adsorbed on the hair increases. There are cases where the hair becomes too hard and the texture of the hair is damaged.

The hair treatment agent according to the present invention can be prepared by adding the hair deodorant according to the present application described below to a conventional hair treatment agent after dilution as necessary.
The deodorizer for hair according to the present application contains the polymer according to the present application [preferably in a medium (water or the like)].

  The hair deodorant according to the present application includes, for example, preservatives, static / antibacterial / antibacterial agents (nitrogen-containing thiols, thiazoles, diguanidines, etc.), optimum pH values (typically Is 7.5 to 9.5) for adjusting the buffer (phosphate, citrate, etc.), antifoaming agent, chelating agent, alcohol solvent (ethanol etc.), polyalcohol (propylene glycol etc.), One or more (including all) nonionic surfactants, amines (urea), acids (amino acids, malonic acid, etc.), acrylic resins (methacrylic acid / methacrylic acid ester polymer alkali salts, etc.). ), Preferably.

  In the composition of the deodorant for hair according to the present application, the content of the polymer according to the present application is usually 0.002 to 0.5 (typically 0.005 to 0.05)% by weight.

Hereinafter, the present invention will be specifically described with reference to examples.
<Preparation of deodorant for hair>

Examples A, B-1 and B-2 and Comparative Example A
Various polymers having different molecular weight distributions were used, purified water was added thereto, and each polymer solution having a predetermined concentration shown in Table 1 was prepared. These were used as hair deodorants (Examples A, B-1 and B-2, and Comparative Example A).

・ Comparative Example B
A 0.005 wt% aqueous HClO solution (electrolyzed water) was used as a hair deodorant (Comparative Example B).

１）分子量分布約２×１０^７〜３×１０^７、カルモア社製、「マイクロゲルＳ−Ｂ１」。
２）分子量分布約６×１０^６〜９×１０^６、ダイヤニトリックス社製、「ＫＡ８０４Ｅ」。
３）分子量分布約２×１０^６〜４×１０^６、ダイヤニトリックス社製、「ＫＡ００３」。

1) Molecular weight distribution of about 2 × 10 ^{7 to} 3 × 10 ⁷ , manufactured by Calmore, “Microgel S-B1”.
2) Molecular weight distribution of about 6 × 10 ^{6 to} 9 × 10 ⁶ , “KA804E” manufactured by Dianitics.
3) Molecular weight distribution of about 2 × 10 ⁶ to 4 × 10 ⁶ , “KA003” manufactured by Dianitics.

<Preparation of permanent agent>
Examples 1-30, Comparative Examples 1-6, and Controls 1-5
In accordance with the composition shown in Tables 2-6, each predetermined weight (g) was added to each composition component, and the total amount was adjusted to 100 mL with purified water to prepare each permanent agent first agent and second agent (each Example 1-30). Comparative Examples 1-6 and Controls 1-5).

<Sensory evaluation test of mercapto odor>
The sensory evaluation was performed on the mercapto odor of the first permanent agent itself, the mercapto odor during the following perm treatment, and the mercapto odor (residual odor) at the time of hair shampooing the day after the perm treatment.
In the table, “1” is comparable to the control mercapto odor, “2” is slightly weaker than the control mercapto odor, “3” is considerably weaker than the control mercapto odor, and “4” is almost no mercapto odor. Represent each.

Perm treatment method The first agent of the permanent agent was applied to the hair bundle, wound around the lot, and the first agent was applied again from the top of the lot (first stage). Next, this lot was left in a wrap for 10 minutes, and then the wrap was removed (second stage). The lot was then lightly washed and blotted with a towel (stage 3). Next, the second permanent agent was applied from above the lot and allowed to stand for 8 minutes. Next, the second agent was applied again from the lot and allowed to stand for 8 minutes (fourth stage). Next, the hair bundle was removed from the lot, washed with water (fifth stage), towel dried (sixth stage), and dried with a dryer (seventh stage).

  In the sensory evaluation of the mercapto odor, a sensory check was performed at each end of each stage, and these were comprehensively evaluated.

<Permeability test of perm to hair>
A hair bundle (width 5 cm, length 20 cm) was wound around a lot, and a chemical (perm) was applied with an applicator. The penetrability of the drug solution into the hair at this time was sensory evaluated visually and by hand.

  In the table, “○” means that the chemical solution penetrates into the hair quickly, “△” means that the chemical solution slightly accumulates on the hair surface, and then penetrates, “×” means that the chemical solution slides on the hair surface and does not penetrate. , Respectively.

<Permanent wave force test>
A hair bundle (width 5 cm, length 20 cm) was wound around a lot with the first permanent agent, and then the first agent was applied again and left for 10 minutes. Next, the hair bundle was lightly washed from the lot and towel-dried. Next, the second agent was applied from the top of the lot and allowed to stand for 8 minutes, and then the second agent was applied again and left for 8 minutes. Thereafter, the lot was removed (first stage), the hair bundle was rinsed, towel-dried, and then naturally dried (second stage).
The degree of wave application was subjected to sensory evaluation by visual inspection at the end of each stage, and these were comprehensively evaluated.

  In the table, “◯” indicates that the wave is firmer than the control, and “x” indicates that the wave is looser than the control.

４）チオグリコール酸換算。

4) Conversion to thioglycolic acid.

５）システアミン換算。

5) Conversion to cysteamine.

６）チオ乳酸換算。

6) thiolactic acid equivalent.

７）昭和電工社製、登録商標「スピエラ」。

7) Registered trademark “Spiera” manufactured by Showa Denko.

Claims (9)

A hair treatment agent comprising a linear polymer having a cationic group and an anionic group and having a molecular weight of 5 × 10 ⁶ or more.   The hair treatment agent according to claim 1, wherein the linear polymer further has a nonionic group. The hair treatment agent according to claim 1 or 2, wherein the molecular weight of the linear polymer is 2 x 10 ^{7 to} 3 x 10 ⁷ .   The hair treatment agent according to any one of claims 1 to 3, wherein the linear polymer is a poly (meth) acrylamide resin.   The hair treatment agent according to any one of claims 1 to 4, wherein the hair treatment agent is a permanent wave agent, a hair straightener, or a curling agent. A deodorant for hair, comprising a linear polymer having a cationic group and an anionic group and having a molecular weight of 5 × 10 ⁶ or more.   The deodorizer for hair according to claim 6, wherein the linear polymer further has a nonionic group. The deodorizer for hair according to claim 6 or 7, wherein the molecular weight of the linear polymer is 2 x 10 ^{7 to} 3 x 10 ⁷ .   The deodorizer for hair according to any one of claims 6 to 8, wherein the linear polymer is a poly (meth) acrylamide resin.