Silylated thermoplastic vulcanizate compositions

Details Silylated thermoplastic vulcanizate compositions Silylated thermoplastic vulcanizate compositions

C - Chemistry, Metallurgy

08

K

C08K 5/54 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2604958

A process for making a thermoplastic vulcanizate includes blending a thermoplastic first polymer, an elastomeric second polymer, a carboxylic anhydride, a free radical generator, and a tackifier to provide a tacky first blend containing the thermoplastic first polymer and grafted elastomeric second polymer with the tackifier dispersed therein; then, reacting the first blend with a silane to provide a non-tacky thermoplastic vulcanizate product.

Un procédé de fabrication d'un vulcanisat thermoplastique inclut le mélange d'un premier polymère thermoplastique, d'un second polymère élastomère, d'un anhydride carboxylique, d'un générateur de radicaux libres, et d'un agent tackifiant afin d'obtenir une première formule collante contenant le premier polymère thermoplastique et le second polymère élastomère greffé, l'agent tackifiant étant dispersé au sein de la formule ; puis la réaction de la première formule avec un silane afin d'obtenir un produit vulcanisé thermoplastique non collant.

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