(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。