POLYVINYL CHLORIDE BLEND
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United States of America Patent
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Issued Date -
Jul 6, 2006
app pub date -
Jan 4, 2005
filing date -
Jan 4, 2005
priority date (Note) -
Abandoned
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Abstract
A process and polyvinyl chloride composition which results from the process whereby a simultaneous improvement in two physical properties is achieved, namely an increase in heat distortion temperature with decrease in coefficient of expansion, effected through the blending of a copolymer derived from a vinylaromatic monomer, preferably alpha-methyl styrene and derived from an ethylenically unsaturated cyano monomer, preferably acrylonitrile with less than 20% wood flour.
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