申请人:Covestro Deutschland AG
公开号:US20170121447A1
公开(公告)日:2017-05-04
The invention relates to polyisocyanates that have aliphatically, cycloaliphatically, araliphatically and/or aromatically bonded isocyanate groups and contain thioallophanate structures of formula (I),
to a method for producing them, and to their use as starting components in the production of polyurethane plastics.