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Polyurethane, urethane-(meth)acrylic composite resin, and aqueous dispersion of urethane-(meth)acrylic composite resin
专利权人:
JAPAN COATING RESIN CORPORATION
发明人:
Shinya Miyata,Eri Hatakeyama,Ryosuke Kawasaki,Aiko Takeda
申请号:
US14910015
公开号:
US09975981B2
申请日:
2014.08.05
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An object of the present invention is to provide an aqueous dispersion for use in a cosmetic, which has both the flexibility and hair styling properties (hair set retention properties), and which allows for easily re-styling hair when the hair style once set has been disturbed; and a cosmetic including the same. In the above mentioned aqueous dispersion and the cosmetic, a polyurethane is used, which is obtainable from a polyol component including at least one type of a polyether polyol and a polyester polyol, and a polyvalent isocyanate component, wherein the polyol component includes: a polyether polyol containing as a major component a structural unit derived from a polyalkylene glycol having from 2 to 4 carbon atoms, and having a number average molecular weight of 400 or more and 4,000 or less; or a polyester polyol containing a structural unit derived from at least one type of dicarboxylic acid selected from the group consisting of phthalic acid, isophthalic acid and terephthalic acid.
来源网站:
中国工程科技知识中心
来源网址:
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