Blends based on vinyl aromatic polymers with enhanced mechanical characteristics
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United States of America Patent
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Oct 5, 1993
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N/A
app pub date -
Feb 13, 1991
filing date -
Feb 16, 1990
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Abstract
This invention relates to blends based on vinyl aromatic polymers endowed with high mechanical characteristics, even after successive processings at temperatures equal to or greater than 200.degree. C., comprising: a vinyl aromatic polymer containing from 0.5 to 5% by weight of a vinyl aromatic monomer-conjugated diene linear block polymer and from 5 to 15% by weight of a diene rubber; a polyolefine; and a vinyl aromatic monomer-conjugated diene linear block polymer, having a diene content between 20 and 80% by weight; the sum of the three components being equal to 100%.
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