Soft thermoplastic elastomers having improved resistance to...

Details Soft thermoplastic elastomers having improved resistance to... Soft thermoplastic elastomers having improved resistance to...

C - Chemistry, Metallurgy

08

L

C08L 21/00 (2006.01) C08J 3/00 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2191107

The invention relates to a soft thermoplastic elastomeric composition having improved resistance to oil swell and compression set comprising a blend of an engineering thermoplastic resin, a cured rubber concentrate and optionally a compatibilizer and a method for its preparation. The invention further relates to the cured rubber concentrate, a method for its preparation and the use thereof.

Cette invention se rapporte à une composition élastomère thermoplastique, souple, présentant une meilleure résistance au gonflement à l'huile et à la rémanence à la compression. Cette composition comprend un mélange d'une résine thermoplastique industrielle, un concentré de caoutchouc durci et éventuellement un agent de compatibilité. L'invention se rapporte également au procédé de préparation de cette composition, au concentré de caoutchouc durci, et au procédé de préparation et d'utilisation de ce dernier.

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