公开(公告)号：US20130253164A1

公开(公告)日：2013-09-26

申请号：US13850594

申请日：2013-03-26

Applicant: BASF SE

Inventor： Kerstin Wiss ,  Sirus Zarbakhsh ,  Achim Loeffler ,  Peter Deglmann ,  Lothar Riebel ,  Michael Limbach ,  Ronald Lindner ,  Michael Ludwik Lejkowski ,  Julia Frauke Grosse

IPC: C08G63/685

CPC classification number: C08G63/685 ,  C08G18/28 ,  C08G18/3206 ,  C08G18/48 ,  C08G18/4837 ,  C08G63/823 ,  C08G65/02 ,  C08G65/2672 ,  C08G77/08

Abstract: The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted.