Low melt flow index, amine-modified polyolefins having...

Details Low melt flow index, amine-modified polyolefins having... Low melt flow index, amine-modified polyolefins having...

C - Chemistry, Metallurgy

09

J

C09J 123/36 (2006.01) B32B 7/12 (2006.01) B32B 27/08 (2006.01) B32B 27/28 (2006.01) B32B 27/30 (2006.01) C08F 8/32 (2006.01) C09J 123/08 (2006.01) C08L 23/08 (2006.01) C08L 59/00 (2006.01)

Patent

CA 2447228

An adhesive composition is described having an amine-modified, low acid ethylene-methacrylic acid copolymer with a melt flow index (MI) of 1.5 or less. Preferably, the acid copolymer has an acid content between 2 and 5wt% and an amine content between 0.05 and 0.5 wt%. The adhesive is useful for bonding with an aliphatic polyketone copolymer such as an ethylene-carbon monoxide copolymer.

Cette invention concerne une composition adhésive renfermant un copolymère d'acide méthacrylique et d'éthylène de faible acidité, modifié par une amine, dont l'indice de fluidité (MI) est de 1,5 ou moins. Le copolymère acide a, de préférence, une teneur en acide comprise entre 2 et 5 % en poids et une teneur en amine comprise entre 0,05 et 0,5 % en poids. Cette composition adhésive convient bien pour le collage avec un copolymère de polycétone aliphatique tel qu'un copolymère d'éthylène-monoxyde de carbone.

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