C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 69/00 (2006.01) C08K 5/521 (2006.01) C08L 55/02 (2006.01) C08L 25/02 (2006.01) C08L 33/06 (2006.01) C08L 51/04 (2006.01)
Patent
CA 2233429
Thermoplastic polycarbonate/graft polymer moulding compositions containing A) 5 to 95 parts by weight of an aromatic polycarbonate, B) 1 to 50 parts by weight of at least one thermoplastic homopolymer, copolymer or terpolymer of styrene, .alpha.- methylstyrene, acrylonitrile, N-substituted. maleimide or mixtures thereof, C) 1 to 50 parts by weight of at least one graft polymer of C.1) 5 to 90 parts by weight of styrene, .alpha.- methylstyrene, acrylonitrile, N-substituted. maleimide or mixtures thereof, on C.2) 95 to 10 parts by weight of a rubber with a glass transition temperature <= 0°C and D) 1 to 25 parts by weight (per 100 parts by weight A+B+C) of at least one additive selected from flame retardants, lubricants, antistatic agent, mould release agents or mixtures thereof, characterised in that the component B) is produced by bulk, solution or suspension polymerisation and has an oligomer content <= 1 wt.%, component C) is produced by emulsion polymerisation and the total oligomer content of the moulding compositions is <= 0.6 wt.%. The thermoplastic moulding compositions may be used for the production of mouldings by injection moulding and for high-gloss mouldings.
Alberts Heinrich
Eckel Thomas
Eichenauer Herbert
Leitz Edgar
Sarabi Bahman
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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