Method of separating a poly(arylene ether) composition from a solvent, and poly(arylene ether) composition prepared thereby
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United States of America Patent
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Dec 13, 2011
Grant Date -
Oct 9, 2008
app pub date -
Apr 4, 2007
filing date -
Apr 4, 2007
priority date (Note) -
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Abstract
A method of separating a poly(arylene ether) from a solvent includes treating a poly(arylene ether)-containing solution with a devolatilizing extruder to form an extruded composition, and cooling the extruded composition with a cooling device that does not immerse the extruded composition in water. The composition may be used to isolate a poly(arylene ether) from the solvent-containing reaction mixture in which it is prepared, or to remove solvent from a multi-component poly(arylene ether)-containing thermoplastic composition.
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