公开(公告)号：US11072688B2

公开(公告)日：2021-07-27

申请号：US16464723

申请日：2017-11-09

Applicant: Rohm and Haas Company

Inventor： Muhunthan Sathiosatham ,  James H. Pawlow ,  Lan T. P. Hoang Nguyen

IPC: C08G77/38 ,  C08G77/08 ,  B01J31/02 ,  C08G77/16 ,  C08G77/18 ,  C08L83/04 ,  C08G77/20

Abstract: A method for preparation of (meth)acrylate esters of polysiloxanes. The method comprises contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate: (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C1-C4 alkyl (meth)acrylate.

公开(公告)号：US20190309133A1

公开(公告)日：2019-10-10

申请号：US16464723

申请日：2017-11-09

Applicant: Rohm and Haas Company

Inventor： Muhunthan Sathiosatham ,  James H. Pawlow ,  Lan T.P. Hoang Nguyen

IPC: C08G77/38 ,  C08G77/16 ,  C08G77/18 ,  B01J31/02

Abstract: A method for preparation of (meth)acrylate esters of polysiloxanes. The method comprises contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate: (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C1-C4 alkyl (meth)acrylate.