Adhesive compositions derived from a copolymer of ethylene...

Details Adhesive compositions derived from a copolymer of ethylene... Adhesive compositions derived from a copolymer of ethylene...

C - Chemistry, Metallurgy

08

F

402/155, 400/550

C08F 220/26 (2006.01) C08F 210/02 (2006.01) C08G 18/62 (2006.01) C08G 18/63 (2006.01) C09J 175/04 (2006.01)

Patent

CA 2207528

This invention concerns thermofusible cross-linkable adhesive compositions, in the form of a prepolymer containing free isocyanate groups. The prepolymer results from the reaction of a polyisocyanate and a copolymer (A) of ethylene and at least one non-saturated ester of carboxylic acid containing hydroxyl groups. The adhesives cross-link at ambient humidity.

La présente invention concerne des compositions adhésives thermofusibles réticulables sous forme de prépolymère contenant des fonctions isocyanates libres, le dit prépolymère résulte de la réaction d'un polyisocyanate et d'un copolymère (A) de l'éthylène et d'au moins un ester d'acide carboxylique insaturé et contenant des fonctions hydroxyles. Ces adhésifs réticulent à l'humidité ambiante.

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