CONTINUOUS PROCESS FOR PRODUCING POLY(ARYLENE SULFIDE)
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Nov 6, 2014
filing date -
Nov 6, 2014
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Abstract
A process comprising (a) contacting a sulfur compound and a polar organic compound to produce a sulfur complex mixture, wherein the sulfur complex mixture comprises a sulfur complex, (b) continuously introducing at least a portion of the sulfur complex mixture and at least one halogenated aromatic compound having two halogens to a reaction vessel to form a reaction mixture, wherein the reaction vessel is continuously stirred, and wherein the reaction vessel comprises a single reaction zone, (c) continuously removing a portion of the reaction mixture from the reaction vessel to yield a reaction product mixture, and (d) processing at least a portion of the reaction product mixture to obtain a poly(arylene sulfide) polymer, wherein the poly(arylene sulfide) polymer is the product of a single stage polymerization.
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