公开(公告)号：DE19706452A1

公开(公告)日：1998-08-27

申请号：DE19706452

申请日：1997-02-19

Applicant: BASF AG

Inventor： PRISSOK FRANK ,  ZIPP OTMAR ,  CHLOSTA ANDREAS ,  THESING CLEMENS

IPC: C08G18/28 ,  C08G18/36 ,  C08G18/38 ,  C08K5/103 ,  C08L75/00 ,  C08G18/34 ,  C08G18/40 ,  C08G18/65 ,  C08K5/09 ,  C08K5/10 ,  C08K5/20 ,  C08L75/04

Abstract: Use is claimed of 24-34C fatty acids (and/or their amides and/or esters) in the production of polyisocyanate-polyaddition products with reduced tendency to absorb and/or desorb substances, the production comprising reacting (a) a polyisocyanate with (b) an NCO-reactive compound of mol. wt. 500-8,000, (c) optionally also a chain extender and/or crosslinker of mol. wt. below 500, (d) a catalyst and (e) conventional additives etc in presence of the fatty acid and/or derivative.