Thermoplastic molding compositions

Details Thermoplastic molding compositions Thermoplastic molding compositions

1978-10-20

1979-07-31

DeBenedictis, Thomas

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 297D, 260 297W, 260 297UP, 260 297T, C08L 5104

Patent

active

041630327

ABSTRACT:
A thermoplastic molding composition having improved flow, toughness. and heat distortion comprising a polymer mixture of (A) 25 to 95% by weight of a graft polymer of 70 to 30% by weight of a mixture of styrene (95 to 50% by weight) and acrylonitrile (5 to 50% by weight) on 30 to 70% by weight of an EPDM-rubber, and (B) 50 to 75% by weight of a terpolymer of acrylonitrile, maleic acid anhydride and styrene, the terpolymer containing 10 to 30 parts by weight of acrylonitrile, 7.5 to 15 parts by weight of maleic acid anhydride, and 82.5 to 55 parts by weight of styrene in copolymerised form.

REFERENCES:
patent: 3267178 (1966-08-01), Lee
patent: 3278642 (1966-10-01), Lee
patent: 4104328 (1978-08-01), Swoboda et al.
patent: 4107234 (1978-08-01), Cornell
patent: 4113798 (1978-09-01), Moran

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