Coextrusion binder, its use for a multilayer structure and...

Details Coextrusion binder, its use for a multilayer structure and... Coextrusion binder, its use for a multilayer structure and...

C - Chemistry, Metallurgy

08

L

154/141, 400/304

C08L 51/06 (2006.01) B32B 15/08 (2006.01) B32B 27/08 (2006.01) B32B 27/28 (2006.01) C08F 8/46 (2006.01) C08F 255/02 (2006.01) C09J 151/06 (2006.01)

Patent

CA 2209322

The invention concerns a coextrusion binder obtained through grafting with an unsaturated carboxylic acid anhydride or its derivatives of a mixture of an ethylene copolymer and an EPR-type elastomer. The grafted mixture is eventually diluted in another ethylene copolymer. The binder is useful for making polyolefin/binder/polyamide structures or EVOH. These structures are useful for making rigid hollow bodies.

L'invention concerne un liant de coextrusion obtenu par greffage avec un anhydride d'acide carboxylique insaturé ou ses dérivés d'un mélange d'un copolymère d'éthylène et d'un élastomère de type EPR. Le mélange greffé est éventuellement dilué dans un autre copolymère d'éthylène. Le liant est utile pour faire des structures polyoléfine/lian/polyamide ou EVOH. Ces structures sont utiles pour faire des corps creux rigides.

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