Moisture-activated adhesive compositions

Details Moisture-activated adhesive compositions Moisture-activated adhesive compositions

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) C09J 175/12 (2006.01)

Patent

CA 2360109

A moisture-activated adhesive composition comprising the reaction product of (A) a polyisocyanate selected from (a) a blend of polymeric MDI and pure MDI and/or from (b) an isocyanate-terminated prepolymer, (B) an isocyanate-reactive component comprising at least one aliphatic tertiary amine group-containing polyol made by alkoxylation of amines or aminoalcohols; characterized in that said moisture-activated adhesive does not contain any filler.

La présente invention concerne une composition adhésive activée par humidité comprenant le produit de réaction (A) d'un polyisocyanate sélectionné à partir (a) d'un mélange de diisocyanate-4,4' de dyphénylméthane polymérique et de diisocyanate-4,4' de dyphénylméthane pur et/ou (b) d'un prépolymère à terminaison d'isocyanate, et (B) d'un composant réagissant avec l'isocyanate comprenant un polyol contenant au moins un groupe aliphatique tertiaire amine fait par alcoxylation d'amines ou d'amino-alcools. Ladite composition adhésive activée par humidité se caractérise par une absence de charge.

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