Patent ID: 6635711
Filing Date: 2003-10-21
Classification: B32B,C08G,C08L,C09J,Y10T

Abstract:
A moisture-crosslinkable polyurethane adhesive, comprising:a) 70 to 95% by weight of a polyurethane prepolymer obtained by polyaddition of at least one polyol to at least one dusocyanate trimerized as isocyanurate, wherein said polyol is a polyester polyol having an average molecular mass of between 250 and 7,000 and an OH functionality of between 2 and 3; and b) 5 to 30% by weight of an essentially amorphous poly-&agr;-olefin, said adhesive comprising a content of free NCO groups representing 1 to 20% by weight of the adhesive.