New Catalysts for selective isocyanate dimerization
申请人:Kocher Jurgen
公开号:US20070270565A1
公开(公告)日:2007-11-22
The present invention relates to the use of sulphonamide salts as dimerization catalysts for aliphatic isocyanates and also to a process for preparing dimeric isocyanates using the catalysts of the invention.