Blends based on vinyl-aromatic polymers having high tenacity and impact strength
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United States of America Patent
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Sep 17, 1991
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N/A
app pub date -
Mar 27, 1990
filing date -
Jul 26, 1985
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Abstract
Blends based on vinyl-aromatic polymers having high tenacity and impact strength, comprising: a vinyl-aromatic copolymer containing from 2 to 25% by weight of an ethylenically unsaturated nitrile and a rubber amount not higher than 15% by weight; and a grafted polymer consisting of an elastomeric core having a transition temperature of the second order lower than 10.degree. C. containing, in the grafted form, chains of vinyl monomers.
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