High impact polyphenylene ether compositions

Details High impact polyphenylene ether compositions High impact polyphenylene ether compositions

C - Chemistry, Metallurgy

08

L

C08L 71/12 (2006.01) C08L 23/20 (2006.01)

Patent

CA 2198029

Thermoplastic poly(phenylene ether) (PPE) compositions having improved impact strength and reduced modulus loss are disclosed. These compositions are based on a mixture of PPE and an elastomeric interpolymer of a C1 to C4 isomonoolefin, e.g. isobutylene, and a para-alkylstyrene comonomer, e.g. para- methylstyrene. The interpolymer may also contain benzyliques functional groups such as halogen.

Compositions thermoplastiques de poly(phénylène éther) (PPE) dotées d'une résistance améliorée aux impacts et d'une perte réduite de module. Lesdites compositions sont basées sur un mélange de PPE et d'un copolymère élastomère d'une isomonooléfine C¿1? à C¿4?, par ex. isobutylène, et d'un comonomère de para-alkylstyrène, par ex. para-méthylstyrène. Ledit copolymère peut également contenir des groupes fonctionnels benzyliques tels qu'halogène.

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