公开(公告)号：US20230147724A1

公开(公告)日：2023-05-11

申请号：US17911173

申请日：2021-03-17

申请人： BYK-Chemie GmbH

发明人： Christiane Knappke-Bongartz ,  René Nagelsdiek ,  Sylvia Bühne ,  Kathrin Moellers ,  Verena Boeckmann

IPC分类号： C08J3/22 ,  C08G73/02 ,  C08K3/34 ,  C08K3/36 ,  C08L63/00 ,  C09D7/65 ,  C09D7/61 ,  C09D7/20 ,  C09D163/00

CPC分类号： C08J3/226 ,  C08G73/0206 ,  C08K3/346 ,  C08K3/36 ,  C08L63/00 ,  C09D7/65 ,  C09D7/61 ,  C09D7/20 ,  C09D163/00 ,  C08J2379/02 ,  C08L2310/00

摘要： The invention relates to the use of a composition as rheology control agent comprising (A) silicate and (B) a polyethylenimine comprising the structure (I), wherein R1 is formula (I), or part of the polyethylenimine, and wherein R2 is H or an organic group, R3 is H or an organic group, with the proviso that one of R2 or R3 is H and wherein the polyethyleneimine has a weight average molecular weight Mw in the range of 40000 to 300000 g/mol before the reaction with the epoxide compound.