POLYETHER-MODIFIED ORGANOPOLYSILOXANE, DIORGANOPOLYSILOXANE-POLYETHER BLOCK COPOLYMER, THEIR PRODUCTION METHODS, AND COSMETIC PREPARATION
申请人:Dow Corning Toray Co., Ltd.
公开号:EP2022812A1
公开(公告)日:2009-02-11
(Problem)
To provide a novel polyether-modified organopolysiloxane and a novel diorganopolysiloxane-polyether block copolymer that are more resistant to oxidation than the heretofore existing polyoxyalkylene-modified organopolysiloxanes and that are thus more resistant to producing allergenically antigenic oxidation products during elapsed time in storage. Also, to provide methods of producing this novel polyether-modified organopolysiloxane and novel diorganopolysiloxane-polyether block copolymer.
(Solution)
Organopolysiloxane that is modified by silicon-bonded polyglycidyl ether or glycidyl ether/alkylene oxide copolymer; diorganopolysiloxane-polyglycidyl ether block copolymer; a method of producing the preceding by a hydrosilylation reaction between organohydrogenpolysiloxane and polyglycidyl ether having a terminal double bond or a glycidyl ether/alkylene oxide copolymer having a terminal double bond; and a cosmetic that contains this modified organopolysiloxane or diorganopolysiloxane-polyglycidyl ether block copolymer.
问题
提供一种新型聚醚改性有机聚硅氧烷和一种新型二甘醇聚硅氧烷-聚醚嵌段共聚物,它们比现有的聚氧亚烷基改性有机聚硅氧烷更耐受氧化,因此在储存过程中更不易产生致敏抗原氧化产物。同时,提供生产这种新型聚醚改性有机聚硅氧烷和新型二异甘聚硅氧烷-聚醚嵌段共聚物的方法。
(解决方案)
由硅键聚缩水甘油醚或缩水甘油醚/环氧丙烷共聚物改性的有机聚硅氧烷;二甘醇聚硅氧烷-聚缩水甘油醚嵌段共聚物;一种通过有机氢聚硅氧烷和具有末端双键的聚缩水甘油醚或具有末端双键的缩水甘油醚/环氧烷共聚物之间的氢硅烷化反应生产前述物质的方法;以及一种含有这种改性有机聚硅氧烷或二甘聚硅氧烷-聚缩水甘油醚嵌段共聚物的化妆品。