Syndiotactic polystyrene composition
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United States of America Patent
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Oct 4, 1994
Grant Date -
N/A
app pub date -
Sep 9, 1993
filing date -
Sep 10, 1992
priority date (Note) -
Expired
status (Latency Note)
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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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