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Title:
HAIR COSMETIC (CO)POLYMER, METHOD FOR PRODUCING THE SAME, AND HAIR COSMETIC
Document Type and Number:
Japanese Patent JP2020075964
Kind Code:
A
Abstract:
To provide a vinyl(co)polymer for hair cosmetic that gives a good cohesiveness during use and can maintain its keeping-power even in a high humidity environment, and to provide a hair cosmetic.SOLUTION: Provided is a hair cosmetic (co)polymer obtained by polymerizing 100 pts.mass of (A) one or more water-soluble vinyl monomers selected from the group consisting of vinyl acetate, N-vinyl lactam, (meth)acrylic acid, hydroxyalkyl (meth)acrylate, dimethylaminoethyl (meth)acrylate, dialkyl (meth)acrylamide and (meth)acryloylethyldialkylbetaine, 0.01 to 10 pts.mass of (B) an organic peroxide having a particular structure including a hydroxyl group and a tertiary peroxycarboxylic acid group, and 0.01 to 10 pts.mass of (C) one or more reducing agents selected from the group consisting of thioglycolates, cysteines, salts of cysteines, cysteamines, salts of cysteamines, sulfites and 2-hydroxy-2-sulfinoacetates.SELECTED DRAWING: None

Inventors:
SASAKI OSAMU
SAKATA YUSUKE
Application Number:
JP2018208746A
Publication Date:
May 21, 2020
Filing Date:
November 06, 2018
Export Citation:
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Assignee:
NOF CORP
International Classes:
C08F18/08; A61K8/81; A61Q5/00; C08F20/06; C08F20/28; C08F20/34; C08F20/56; C08F26/06
Domestic Patent References:
JP2017082081A2017-05-18
JP2017002256A2017-01-05
JP2017078116A2017-04-27
JPH0995586A1997-04-08
JPH1179945A1999-03-23
JP2014129320A2014-07-10
JP2007211144A2007-08-23
Attorney, Agent or Firm:
Masumi Hosoda
Juno Aoki