C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 69/00 (2006.01) C08L 51/04 (2006.01) C08L 67/02 (2006.01)
Patent
CA 2632127
A thermoplastic molding composition suitable for making molded articles having high impact strength and good surface appearance is disclosed. The composition contains a blend of (co)polycarbonate, (co)polyester, and a grafted rubber. The structure of the grafted rubber includes a substrate and a grafted phase, and the substrate includes a core of crosslinked polymerized vinyl monomers and a shell, enveloping the core, the shell contains at least one crosslinked, polymerized acrylate which has a glass transition temperature less than 0~ C.
L'invention décrit une composition de moulage thermoplastique appropriée pour fabriquer des articles moulés ayant une haute résistance au choc et un bon aspect de surface. La composition contient un mélange de (co)polycarbonate, (co)polyester, et un caoutchouc greffé. La structure du caoutchouc greffé comporte un substrat et une phase greffée ; le substrat comporte un cAEur de monomères vinyliques polymérisés réticulés et une écorce, enveloppant le cAEur ; l'écorce contient au moins un acrylate polymérisé réticulé, dont la température de transition vitreuse est inférieure à 0°C.
Chung James Y. J.
Li Xiangyang
Mason James P.
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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