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公开(公告)号:US10527757B2
公开(公告)日:2020-01-07
申请号:US15792807
申请日:2017-10-25
Applicant: Novartis AG
Inventor: Frank Chang , Feng Jing , Fei Cheng , Ying Zheng
IPC: G02B1/04 , C08G77/20 , C08G77/28 , C08J3/075 , C08L25/06 , C08L33/10 , C08L83/08 , B29D11/00 , C08F283/12 , C08F290/06 , C08F299/08 , C08J3/24
Abstract: The invention provides a class of amphiphilic branched polydiorganosiloxane macromers and the uses thereof. Such a macromer comprises a polydiorganosiloxane polymer chain and two terminal groups free of any ethylenically unsaturated group, wherein the polydiorganosiloxane polymer chain comprises (1) at least 5 dimethylsiloxane units in a consecutive sequence, (2) at least two first siloxane units each having methyl as one of the two substituents of each first siloxane unit and one first organic radical having one sole (meth)acryloyl group as the other substituent, (3) at least one second siloxane unit having methyl as one of the two substituents of the second siloxane unit and one second organic radical, which is free of any ethylenically unsaturated group and comprises one or more hydrophilic groups or polymer chains, as the other substituent.
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公开(公告)号:US20180113237A1
公开(公告)日:2018-04-26
申请号:US15792807
申请日:2017-10-25
Applicant: Novartis AG
Inventor: Frank Chang , Feng Jing , Fei Cheng , Ying Zheng
CPC classification number: G02B1/043 , B29D11/00038 , B29D11/00134 , C08F283/122 , C08F285/00 , C08F290/142 , C08F299/08 , C08G77/20 , C08G77/28 , C08G2210/00 , C08J3/075 , C08J3/247 , C08J2383/08 , C08L25/06 , C08L33/10 , C08L83/08 , C08L2205/02 , C08L83/04 , C08F2222/108 , C08F2220/286 , C08F226/10
Abstract: The invention provides a class of amphiphilic branched polydiorganosiloxane macromers and the uses thereof. Such a macromer comprises a polydiorganosiloxane polymer chain and two terminal groups free of any ethylenically unsaturated group, wherein the polydiorganosiloxane polymer chain comprises (1) at least 5 dimethylsiloxane units in a consecutive sequence, (2) at least two first siloxane units each having methyl as one of the two substituents of each first siloxane unit and one first first organic radical having one sole (meth)acryloyl group as the other substituent, (3) at least one second siloxane unit having methyl as one of the two substituents of the second siloxane unit and one second organic radical, which is free of any ethylenically unsaturated group and comprises one or more hydrophilic groups or polymer chains, as the other substituent.
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