Polymeric modifier compositions
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United States of America Patent
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-
Sep 10, 1991
Grant Date -
N/A
app pub date -
Aug 3, 1989
filing date -
Aug 3, 1989
priority date (Note) -
Expired
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Abstract
Modifier compositions of acrylic core/shell polymers and alkyl methacrylate-butadiene-styrene core/shell polymers are added to polyvinyl halides to provide materials with improved color depth and impact strength, as well as reduced pearlescence.
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