公开(公告)号：US20190263972A1

公开(公告)日：2019-08-29

申请号：US16345809

申请日：2017-10-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： HANNAH C. COHEN ,  AMANDA C. ENGLER ,  RAN JAN I V. PARTHASARATHY ,  HAOMING RONG ,  RAMESH C. KUMAR ,  MATTHEW T. SCHOLZ ,  JAMES P. DIZIO ,  AUDREY A. SHERMAN ,  RICHARD G. HANSEN ,  DOUGLAS A. HANGGI ,  DALE J. CASE ,  DAVID D. JOHNSON

IPC: C08G77/458 ,  C08G77/46 ,  C08K5/00

Abstract: 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.