申请人:Zhou Cheng
公开号:US20060252094A1
公开(公告)日:2006-11-09
A water soluble functional polyethylene glycol-grafted polysiloxane polymer comprising a polysiloxane backbone and polyethylene glycol side chains is provided having the general formula:
wherein A is selected from the group consisting of hydrogen, methyl, methoxy and functional polyethylene glycol based chains, B is a functional group for binding biologically-sensitive materials, D is a functional group for binding to a substrate, m is from 3 to 5, v is from 0 to 5, w is from 4 to 11, x is from 0 to 35 and z is from 1 to 33. In order to be water soluble, the polysiloxane polymer h the following properties: x+y+z is from 8 to 40, n is from 8 to 30, and y is from 7 to 35.
一种水溶性功能性聚乙二醇接枝聚硅氧烷聚合物由聚硅氧烷主链和聚乙二醇侧链组成,其通式为
其中 A 选自氢、甲基、甲氧基和功能性聚乙二醇基链组成的组;B 是用于结合生物敏感材料的官能团;D 是用于结合基质的官能团;m 为 3 至 5;v 为 0 至 5;w 为 4 至 11;x 为 0 至 35;z 为 1 至 33。为了能溶于水,聚硅氧烷聚合物 h 具有以下特性:x+y+z 为 8 至 40,n 为 8 至 30,y 为 7 至 35。