Styrenic polymer composition
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United States of America Patent
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-
Aug 5, 1997
Grant Date -
N/A
app pub date -
Jul 11, 1996
filing date -
Jul 24, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Syndiotactic polystyrene can be impact-modified by a blend of (a) polystyrene-hydrogenated polybutadiene block copolymers and (b) one or more core/shell modifiers based on a lightly or non-crosslinked rubber core, and with at least one shell or intermediate shell stage which is predominantly polystyrene, to produce a material of higher impact strength than the better value of either additive singly at the same total impact modifier level.
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