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Cosmetic hair preparation

A technology of hair cosmetics and compounds, applied in cosmetics, cosmetic preparations, hair care, etc., can solve problems such as strong stickiness of hands or hair, fastening and hardening of hair, and difficulty in styling, etc., to achieve high tactility and suppleness tactile effect

Inactive Publication Date: 2009-07-15
SHISEIDO CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, the hard hair dressing and the soft hair dressing have the following problems respectively: for the hard hair dressing, since the hair after styling is bundled with each other, it is difficult to comb the hair after styling by hand or with a comb, The hair becomes tight and stiff, and it is difficult to style it in a natural grooming state; for soft hair styling agents, it is difficult to maintain the styled hairstyle for a long time, especially in the high humidity of summer, and the hair on the hands or hair Strong sticky feeling

Method used

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Examples

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preparation example Construction

[0145] (Method for preparing urethane-modified acrylic polymer)

[0146] The method for producing the urethane-modified acrylic polymer is not particularly limited as long as it is a method for producing a urethane-modified acrylic polymer having the following form, and known production methods [especially It is the preparation method of vinyl-urethane copolymer disclosed in the specification of WO 2005 / 054341 A1], wherein the form of the urethane-modified acrylic polymer is to make the acrylic acid as shown above The polymer-like chain portion is bonded to the urethane-based polymer chain portion as described above through a linking portion containing an Si—O bond. Specifically, as a production method of a urethane-modified acrylic polymer, a production method including the following process (X) to process (Y), etc. are mentioned, for example.

[0147] Step (X): a step of preparing an aqueous dispersion or aqueous solution of the urethane polymer (C);

[0148] Step (Y): pol...

Embodiment

[0214]The following examples illustrate the present invention more specifically, but the invention is not limited by these examples. In addition, "part" means "mass part" and "%" means "mass%" unless otherwise mentioned below. In addition, for the sake of convenience, the quantity of each component described in each Example and each comparative example is the quantity at the time of preparing 100 mass parts of hair cosmetics (or its stock solution).

[0215] Then, the hair cosmetics obtained in Examples and Comparative Examples were evaluated according to the following evaluation methods.

[0216] (Evaluation method of less sticky feeling after coating to before drying)

[0217] Apply 0.5 g of the sample (hair cosmetics obtained in Examples or Comparative Examples) on black unused hair (20 cm in length and 2 g in weight), and immediately comb the shape, and then 10 females immediately A professional evaluator (paneler) conducts a sensory test on the adhesion until drying, an...

preparation example 1

[0320] The mixture was mixed at a ratio of 1 mole of 3-aminopropyltriethoxysilane to 1 mole of lauryl acrylate, and reacted at 50° C. for 7 days to obtain a reaction product (aminoalkoxysilane).

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Abstract

A cosmetic hair preparation which can have hair dressing properties, naturally finishing properties, and hair style retentivity on an excellent level. The cosmetic hair preparation contains a urethane-modified acrylic polymer having a structure in which the following urethane polymer chain part has been bonded to the following acrylic polymer chain part through a connecting part having a silicon-oxygen bond. Acrylic polymer chain part: a residue of an acrylic polymer obtained at least from an acrylic monomer (A) and a compound (B1) having a hydrolyzable silicon-containing group and a group having an ethylenically unsaturated bond and / or a compound (B2) having a hydrolyzable silicon-containing group and a mercapto group. Urethane polymer chain part: a residue of a urethane polymer (C) having a hydrolyzable silicon-containing group. The urethane-modified acrylic polymer preferably is one in which the connecting part is a silicone polymer chain part.

Description

technical field [0001] The present invention relates to a hair cosmetic, and more particularly, to a hair cosmetic capable of exerting to an excellent level the following properties including: hair styling to set hair into a prescribed hairstyle; finishing in a natural style The natural finishing property of styling in a stable state; the hair retention property of maintaining the shape of the styled hairstyle even under harsh conditions such as high humidity. Background technique [0002] Conventional hair cosmetics on the market include, for example, hard hair conditioners that can exert a hard hair styling effect and maintain a well-arranged hair condition, and soft hair conditioners that do not have a noticeable hard feeling, have a good hand feeling, and can obtain a soft grooming feeling. hair conditioner. Among the above-mentioned hair dressing agents, film-forming polymer components such as polyvinylpyrrolidone, sodium polyacrylate, and polyvinylpyrrolidone-polyviny...

Claims

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Application Information

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IPC IPC(8): A61K8/898A61K8/899A61Q5/00A61Q5/06C08F290/06C08G18/65
CPCC08G18/6625C08G18/12A61K8/898C08G18/0823A61Q5/06A61K8/87A61K8/899C08G18/3893A61Q5/00
Inventor 清水秀树渡边智子川副智行藤山泰三折口俊树小川慎太郎仲山宜孝
Owner SHISEIDO CO LTD
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