公开(公告)号：US09133093B2

公开(公告)日：2015-09-15

申请号：US14498294

申请日：2014-09-26

Applicant: BASF SE

Inventor： Lionel Gehringer ,  Veronika Wloka ,  Ulrich Mueller ,  Marine Boudou ,  Ulrike Mahn ,  Elke Guetlich-Hauk

IPC: C07C67/08 ,  C08G18/42 ,  C08G63/06 ,  C08G63/12 ,  C08G63/82 ,  C08G63/87 ,  B01J29/89

CPC classification number: C07C67/08 ,  B01J29/89 ,  C08G18/4238 ,  C08G63/06 ,  C08G63/12 ,  C08G63/823 ,  C08G63/87

Abstract: The invention relates to a process for preparing polyester alcohols by catalytic reaction of at least one at least polyfunctional carboxylic acid with at least one polyfunctional alcohol and/or by catalytic ring-opening polymerization of cyclic esters in the presence of catalysts, wherein a zeolite is used as catalyst.

Abstract translation: 本发明涉及通过至少一种至少多官能羧酸与至少一种多官能醇的催化反应和/或在催化剂存在下通过环酯的催化开环聚合来制备聚酯醇的方法，其中沸石是 用作催化剂。