Microwave heatable monovinyl aromatic polymers
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United States of America Patent
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Nov 15, 2011
Grant Date -
Oct 28, 2010
app pub date -
Nov 14, 2008
filing date -
Nov 29, 2007
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Abstract
A method for melt-processing a polymer of a monovinyl aromatic compound, such as styrene, is disclosed. The method may include heating a polymer of a monovinyl aromatic compound volumetrically with microwave energy, wherein the polymer of a monovinyl aromatic compound includes: a discontinuous rubber phase; and a continuous poly(monovinyl aromatic) phase comprising up to 49 weight percent of at least one of an acrylate comonomer and a vinyl cyanide comonomer.
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