Polymer-clay nanocomposite and process for preparing same

Details Polymer-clay nanocomposite and process for preparing same Polymer-clay nanocomposite and process for preparing same

C - Chemistry, Metallurgy

08

J

C08J 3/12 (2006.01) B60C 1/00 (2006.01) C08J 3/215 (2006.01) C08J 5/00 (2006.01) C08K 3/34 (2006.01) C08L 23/28 (2006.01)

Patent

CA 2739998

A process for producing a nanocomposite of a halogenated elastomer and an inorganic, exfoliated clay includes the in-situ protonation of a modifier, which may be an alkylamine, arylamine or an alkylarylamine. This process can be integrated with a polymer halogenation process. The nanocomposite so formed has improved air barrier properties and is suitable for use as a tire innerliner or innertube.

Un procédé de production d'un nano-composite d'un élastomère halogéné et d'une argile inorganique exfoliée comprend la protonation in situ d'un agent modificateur, qui peut être une alkylamine, une arylamine ou une alkylarylamine. Ce procédé peut être intégré dans un procédé d'halogénation de polymère. Le nano-composite ainsi formé a de meilleures propriétés d'étanchéité à l'air et est adapté pour être utilisé comme gomme intérieure ou chambre à air d'un pneumatique.

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