TERMOPLASTISK GJUTMASSA.

摘要

The invention concerns a thermoplastic moulding compound based on a rubber-modified copolymer consisting of styrene and/or alpha -methylstyrene and maleic anhydride, characterized in that the moulding compound consists of a mixture of… A. 50-95 % (wt) of a copolymer consisting of:… 1. 50-95 % (wt) styrene and/or alpha -methylstyrene… 2. 50-5 % (wt) maleic anhydride… 3. 0-20 % (wt) acrylate… 4. 0-20 % (wt) acrylonitrile… B. 5-50 % (wt) of an ethylene-propylene rubber or ethylene-propylene-diene rubber modified by grafting with a compound containing hydroxyl, amide or amine.… C. 0-30 % (wt) ethylene-propylene rubber or ethylene-propylene-diene rubber.… The compounds have in addition to a good UV resistance an excellent impact resistance and dimensional stability under heat and rigidity.