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...
Patent
1993-09-09
1994-10-04
Hoke, Veronica P.
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...
525 70, 525 71, 525 74, 525 86, 525 87, 525207, 525208, C08K 714
Patent
active
053527275
ABSTRACT:
There are disclosed a polystyrene composition which comprises 100 parts by weight of a resin component comprising 0 to 99% by weight of syndiotactic polystyrene (SPS) (a) and 100 to 1% by weight of a modified syndiotactic polystrene (SPS) (b) and 1 to 100 parts by weight of a rubbery elastomer which can react with the functional group of the component (b) as the component (c) and optionally, 1 to 350 parts by weight of an inorganic filler (e); and a polystyrene composition which comprises 100 parts by weight of a resin component comprising 0 to 99% by weight of the component (a) and 100 to 1% by weight of the component (b), 1 to 10 parts by weight of the component (c) and 1 to 100 parts by weight of a rubbery elastomer (d) and optionally, 1 to 350 parts by weight of an organic filler (e). 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.
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Hoke Veronica P.
Idemitsu Kosan Co. Ltd.
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