Adducts containing isocyanate groups and composition adhering effectively to painted substrates
申请人:Gimmnich Peter
公开号:US20070055038A1
公开(公告)日:2007-03-08
The present invention relates firstly to adducts of the formula (I) which are obtainable from the reaction of an oligomeric aliphatic polyisocyanate and a compound of the formula HX—R
1
. Secondly the invention relates to one-component or two-component compositions which comprise such adducts of the formula (I). The adducts of the formula (I) find a use as adhesion promoters and are suitable in particular for use in elastic adhesives and sealants. The cured one-component or two-component compositions exhibit excellent paint adhesion in tandem with high extensibility.