公开(公告)号：US20240084168A1

公开(公告)日：2024-03-14

申请号：US18270103

申请日：2021-12-28

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  DOW SILICONES CORPORATION

Inventor： Tingting CHEN ,  Yu CHEN ,  Hongyu CHEN ,  Liyun ZHOU ,  Kang CHEN ,  Yusheng CHEN ,  Yi GUO ,  Qing SHI ,  Zhihua LIU

IPC: C09D183/06 ,  D06N3/00 ,  D06N3/12

CPC classification number: C09D183/06 ,  D06N3/0063 ,  D06N3/128 ,  D06N2203/066

Abstract: The present disclosure relates to a leather coating composition comprising or consisting of a hydrosilylation curable silicone elastomer composition designed to be used as a topcoat for a synthetic leather material, particularly a silicone-based synthetic leather composite material. A silicone coating as a topcoat for a synthetic leather material which is the cured product of the composition, methods of making the topcoat, synthetic leather material utilizing same and uses of the synthetic leather material products are also disclosed. The topcoat is designed to provide a highly crosslinked silicone matrix containing silicon-free organic micro-particles to minimize or at least decrease change in gloss after abrasion. The leather coating composition comprises a hydrosilylation curable silicone elastomer composition, comprising: (i) at least one organopolysiloxane polymer; (ii) a reinforcing silica filler; (iii) a silicone resin cross-linker having terminal (M) groups comprising silicone bonded hydrogen; (iv) a hydrosilylation catalyst; and (v) silicon-free organic microparticles.

公开(公告)号：US20240200265A1

公开(公告)日：2024-06-20

申请号：US18287284

申请日：2021-03-11

Applicant: DOW SILICONES CORPORATION ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Yusheng CHEN ,  Lili SHI ,  Tingting CHEN ,  Rui WANG ,  Hongyu CHENG ,  Yanli FENG ,  Qing SHI ,  Linfei WANG

IPC: D06N3/14 ,  C09D7/20 ,  C09D7/62 ,  C09D183/04 ,  D06N3/00 ,  D06N3/12 ,  D06N3/18

CPC classification number: D06N3/144 ,  C09D7/20 ,  C09D7/62 ,  C09D183/04 ,  D06N3/0045 ,  D06N3/0063 ,  D06N3/007 ,  D06N3/0095 ,  D06N3/128 ,  D06N3/183

Abstract: A silicone/polyurethane synthetic leather topcoat composition is disclosed. The silicone/polyurethane synthetic leather topcoat composition is a hydrosilylation curable silicone elastomer composition which provides good adhesion to polyurethane and is used to provide a topcoat for a silicone/polyurethane composite synthetic leather material. The topcoat is the cured product of the composition. Also disclosed are methods of making the topcoat and the silicone/polyurethane composite synthetic leather material as well as uses of the silicone/polyurethane composite synthetic leather material.