公开(公告)号：US10513819B2

公开(公告)日：2019-12-24

申请号：US15714458

申请日：2017-09-25

Applicant: AGC Inc.

Inventor： Yukiko Yoshimoto ,  Hiroyuki Hara ,  Yuuichi Oomori ,  Sho Masuda

IPC: D06M15/277 ,  D06M15/295 ,  C08F220/68

Abstract: To provide a water/oil repellent composition whereby it is possible to obtain an article which is excellent in each of water-repellency, oil-repellency, washing durability, heavy rain durability and texture, a method for producing said composition, and an article which is excellent in each of water-repellency, oil-repellency, washing durability, heavy rain durability and texture. The water/oil repellent composition comprises a copolymer having units based on a monomer (a), units based on a monomer (b) and units based on a monomer (c), and a liquid medium. Monomer (a): a compound represented by (Z—Y)nX (Z: a C1-6 perfluoroalkyl group, etc.; Y: a divalent organic group, etc.; n: 1 or 2; X: a polymerizable unsaturated group). Monomer (b): a (meth)acrylate having no polyfluoroalkyl group and having an alkyl group with at least 20 carbon atoms. Monomer (c): a compound represented by CH2═CR1C(O)O—[(C2H4O)a(C4H8O)b]—H (R1: a hydrogen atom or a methyl group, and a/b=1 to 3).