Polystyrene composition

Details Polystyrene composition Polystyrene composition

1993-09-09

1995-05-23

Szekely, Peter A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524505, 524508, 524575, 524577, 525 68, 525 92A, 525132, 525133, C08L 5104, C08L 7300, C08L 2506, C08L 7112

Patent

active

054182751

ABSTRACT:
There are disclosed a polystyrene composition which comprises 100 parts by weight of a syndiotactic polystyrene (SPS)(a) and 1 to 100 parts by weight of a high molecular compound comprising 5 to 95% by weight of polyphenylene ether (PPO) and/or modified PPO and 95 to 5% by weight of a rubbery elastomer (b) and optionally, 1 to 350 parts by weight of an inorganic filler (d) and also a polystyrene composition which comprises 100 parts by weight of the component (a), 0.1 to 30 parts by weight of the component (b) and 1 to 100 parts by weight of a rubbery elastomer (c) and optionally, 1 to 350 parts by weight of the component (d). The above compositions are greatly improved in impact resistance, elongation and retention of physical properties during recycling without detriment to heat resistance and modulus of elasticity.

REFERENCES:
patent: 5109068 (1992-04-01), Yamasaki et al.
patent: 5165990 (1992-11-01), Nakano
patent: 5183871 (1993-02-01), Yamasaki et al.
patent: 5202454 (1993-04-01), Nakano
patent: 5219940 (1993-06-01), Nakano

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