Use of polyamino acid salts in water-borne adhesive...

Details Use of polyamino acid salts in water-borne adhesive... Use of polyamino acid salts in water-borne adhesive...

C - Chemistry, Metallurgy

08

G

C08G 69/08 (2006.01) B32B 7/12 (2006.01) C08G 73/10 (2006.01) C09J 7/02 (2006.01) C09J 179/08 (2006.01)

Patent

CA 2367297

This invention relates to an adhesive composition which comprises (a) an adhesive carrier, and (b) an adhesively effective amount of a polyamino acid salt selected from the group consisting of polyaspartic acid salts, polyglutamic acid salts, and copolymers of polyaspartic acid salts with polyglutamic acid salts, and mixtures thereof. The present invention also pertains to an article to which the adhesive composition has been applied, a method for adhering a first substrate to a second substrate employing the polyamino acid salts, and to an improved method for making polyamino acid salts.

La présente invention concerne un composition adhésive comprenant (a) une matrice de colle, et (b) une quantité efficace pour collage d'un sel acide polyaminé choisi dans le groupe constitué des sels d'acide polyaspartique, des sels d'acide polyglutamique, et des copolymères de sels d'acide polyaspartique et de sels d'acide polyglutamique, et leur mélanges. L'invention concerne également un article auquel la composition adhésive a été appliquée, un procédé de collage d'un premier substrat à un deuxième substrat mettant en oeuvre des sels polyaminés, et un procédé amélioré de fabrication de sels acides polyaminés.

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