C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 71/12 (2006.01) C08L 23/10 (2006.01)
Patent
CA 2217334
Thermoplastic compositions having improved compatibility and improved mechanical properties are prepared by melt mixing a composition comprising a poly(phenylene ether), a propylene polymer such as crystalline polypropylene and an elastomeric interpolymer of a C1 to C7 isomonoolefin, e.g., isobutylene, and a para-alkylstyrene comonomer, e.g., paramethylstyrene. The interpolymer preferably contains a benzylic functional group such as halogen (bromine). The composition also may contain a styrene polymer.
On prépare des compositions thermoplastiques ayant une meilleure compatibilité et des propriétés mécaniques accrues, en mélangeant à chaud une composition comprenant un poly(phénylène éther), un polymère de propylène tel que du polypropylène cristallin et un interpolymère élastomère d'une isomono-oléfine C¿1? à C¿7?, par exemple isobutylène, et un comonomère de para-alkylstyrène, par exemple paraméthylstyrène. L'interpolymère contient de préférence un groupe fonctionnel benzylique, tel que halogène (brome). Cette composition peut également contenir un polymère de styrène.
Li Dongming
Wang Hsien-Chang
Yee Albert Fan
Yeh Richard Cheng-Ming
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
Exxonmobil Chemical Patents Inc.
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