申请人:3M INNOVATIVE PROPERTIES COMPANY
公开号:US10941252B2
公开(公告)日:2021-03-09
A copolymer composition that includes a silicone copolymer, methods of making the composition, and articles that include the composition, wherein the copolymer composition includes a silicone copolymer having a backbone composition that includes: silicone segments in an amount of 5 wt-% to 40 wt-%, based on the total weight of the silicone copolymer; hydrophilic segments in an amount of 40 wt-% to 75 wt-%, based on the total weight of the silicone copolymer; and reinforcing segments in an amount of 5 wt-% to 30 wt-%, based on the total weight of the silicone copolymer, wherein the reinforcing segments are derived from the reaction of one or more chain extenders with one or more multi-functional isocyanates, multi-functional carboxylic acids, multi-functional anhydrides, multi-functional esters, and/or multi-functional acid halides; wherein the silicone segments, hydrophilic segments, and reinforcing segments are connected through urea, urethane, amide, and/or oxamide linkages; wherein the hydrophilic segments and the reinforcing segments are present in a weight ratio of 1.8:1 to 8:1; and the hydrophilic segments and the silicone segments are present in a weight ratio of 1.3:1 to 4.5:1.
一种包括有机硅共聚物的共聚物组合物、制造该组合物的方法以及包括该组合物的物品,其中该共聚物组合物包括有机硅共聚物,该有机硅共聚物具有骨架组合物,该骨架组合物包括:基于有机硅共聚物总重量,含量为 5 wt-% 至 40 wt-%的有机硅段; 基于有机硅共聚物总重量,含量为 40 wt-% 至 75 wt-%的亲水段;和增强段,其用量为有机硅共聚物总重量的 5 wt-% 至 30 wt-%,其中增强段由一种或多种扩链剂与一种或多种多功能异氰酸酯、多功能羧酸、多功能酸酐、多功能酯和/或多功能酸卤化物反应而得;其中硅酮段、亲水段和增强段通过脲、聚氨酯、酰胺和/或草酰胺连接;其中亲水段和增强段的重量比为 1.8:1至8:1;亲水段和硅酮段的重量比为1.3:1至4.5:1。