Poly (arylene ether) and process for making the same
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United States of America Patent
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Jun 10, 2003
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N/A
app pub date -
Feb 25, 2002
filing date -
Jul 14, 2000
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Abstract
A process for removal of a catalyst from a polymerization reaction mixture, comprises adding at least one polar solution to the reaction mixture to form a first at least two phase mixture, wherein one phase of the first at least two phase mixture is a first polymer phase; liquid/liquid centrifuging the first at least two phase mixture to separate the phases; removing the first polymer phase from the first at least two phase mixture; adding water to the first polymer phase to form a second at least two phase mixture, where one phase of the second at least two phase mixture is a second polymer phase; and separating the second polymer phase from the second at least two phase mixture.
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