[EN] A BLOCKED POLYISOCYANATE CROSSLINKING AGENT, ITS PREPARATION METHOD AND A COATING COMPOSITION COMPRISING THE SAME<br/>[FR] AGENT DE RÉTICULATION DE POLYISOCYANATE BLOQUÉ, SON PROCÉDÉ DE PRÉPARATION ET COMPOSITION DE REVÊTEMENT LE COMPRENANT
申请人:BASF COATINGS GMBH
公开号:WO2021094237A1
公开(公告)日:2021-05-20
This invention provides a blocked polyisocyanate crosslinking agent obtained from reactions of components comprising a). at least one polyisocyanate selected from aliphatic polyisocyanate, cycloaliphatic polyisocyanate and polyisocyanate-functional polymer and b). at least one beta-diketone. This invention also provides a method of preparing a blocked polyisocyanate crosslinking agent as well as coating compositions comprising the invented blocked polyisocyanate crosslinking agent.