Core-shell impact modifiers for styrenic resins
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United States of America Patent
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Nov 11, 1997
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app pub date -
Feb 22, 1993
filing date -
Oct 21, 1986
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Abstract
High-impact poly(styrene) resins modified with small-particle-size, multi-stage impact modifiers having a crosslinked poly(butadiene) core and a poly(styrene) or other vinylaromatic polymer shell show an improved balance of impact strength, stiffness and surface gloss, and an improved resistance to environmental stress crazing, when compared to conventional high-impact poly(styrene).
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