Patent ID: 8318311
Filing Date: 2012-11-27
Classification: C08G,C09J,Y10T

Abstract:
1. An adhesion promoter composition comprising at least one binder which has isocyanate groups and is prepared from a mixture of a) at least one polyester resin A, which has at least one OH group; b) at least one monomeric diphenylmethane diisocyanate (MDI); and c) at least one polyisocyanate B, which is selected from the group consisting of biurets of polyisocyanates; isocyanurates of polyisocyanates; and polyurethanes of the formula (II); wherein the content of the monomeric diphenylmethane diisocyanate (MDI) in the adhesion promoter composition is ≦2% by weight, based on the weight of the overall adhesion promoter composition.