公开(公告)号：US11168172B2

公开(公告)日：2021-11-09

申请号：US16490732

申请日：2018-03-05

申请人： Covestro Deutschland AG

发明人： Christian Hahn ,  Reinhard Albers ,  Ali-Kasim Anwar ,  Paul Heinz ,  Michael Baecker ,  Marcel Schornstein

IPC分类号： C08G18/48 ,  C08G18/18 ,  B29C44/10 ,  C08G18/76 ,  C08J9/12 ,  F16L59/02 ,  B29C41/00 ,  B29C45/00 ,  C08J9/14 ,  F25D23/06 ,  B29K75/00 ,  B29L31/00 ,  B29K105/00 ,  B29K105/04

摘要： The invention relates to a process used to produce open-cell and extremely fine-cell PUR/PIR rigid foams, said process using a polyol formulation comprising a specific isocyanate-reactive component, a catalyst component having zerewitinoff-active hydrogens and a cell-opener component.

公开(公告)号：US20200017624A1

公开(公告)日：2020-01-16

申请号：US16490732

申请日：2018-03-05

申请人： Covestro Deutschland AG

发明人： Christian Hahn ,  Reinhard Albers ,  Ali-Kasim Anwar ,  Paul Heinz ,  Michael Baecker ,  Marcel Schornstein

IPC分类号： C08G18/18 ,  C08G18/48 ,  C08G18/76 ,  C08J9/12 ,  B29C44/10 ,  F16L59/02

摘要： The invention relates to a process used to produce open-cell and extremely fine-cell PUR/PIR rigid foams, said process using a polyol formulation comprising a specific isocyanate-reactive component, a catalyst component having zerewitinoff-active hydrogens and a cell-opener component.