发明名称 Polydiorganosiloxane polymide copolymers having organic soft segments
摘要 Polydiorganosiloxane polyamide, block copolymers having organic soft segments and methods of making the copolymers are provided.
申请公布号 US9290684(B2) 申请公布日期 2016.03.22
申请号 US201514665243 申请日期 2015.03.23
申请人 3M Innovative Properties Company 发明人 Sherman Audrey A.;Johnson Stephen A.;Hansen Richard G.
分类号 C08G77/26;C09J183/12;C08G69/42;C08G77/455;C08L83/10;C09J183/10;C08G77/54;C09J183/08 主分类号 C08G77/26
代理机构 代理人 Olofson Jeffrey M.
主权项 1. A medical article comprising: a copolymer comprising: at least one repeat unit of Formula I-a:  andat least one repeat unit of Formula VI-a: wherein: each R1 is independently an alkyl, haloalkyl, aralkyl, alkenyl, aryl, or aryl substituted with an alkyl, alkoxy, or halo;G is a residue having a valence of q;R3 is hydrogen or alkyl or R3 taken together with G and to the nitrogen to which they are both attached form a heterocyclic group;each Y is independently an alkylene, aralkylene, or a combination thereof;each B is independently a covalent bond, an alkylene of 4-20 carbons, an aralkylene, an arylene, or a combination thereof;D is an organic soft segment residue;n is independently an integer of 0 to 1500;p is an integer of 1 to 10; andq is an integer greater than 2.
地址 St. Paul MN US