Process for Production of Poly(Arylene Sulfide)
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
Jun 27, 2014
filing date -
Jun 27, 2014
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Abandoned
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Abstract
A process comprising (a) reacting a sulfur source and a dihaloaromatic compound in the presence of a polar organic compound to form a reaction mixture, (b) quenching the reaction mixture by adding a quench liquid thereto to form a quenched mixture, wherein the quench liquid comprises a particle size modifying additive, and (c) cooling the quenched mixture to yield poly(arylene sulfide) polymer particles. A process for producing a poly(phenylene sulfide) polymer comprising (a) reacting a sulfur source and a dihaloaromatic compound in the presence of N-methyl-2-pyrrolidone to form a reaction mixture, (b) quenching the reaction mixture by adding a quench liquid thereto to form a quenched mixture, wherein the quench liquid comprises a particle size modifying additive selected from the group consisting of sodium acetate, sodium benzoate, lithium acetate, lithium benzoate, lithium formate, sodium formate, and combinations thereof, and (c) cooling the quenched mixture to yield poly(phenylene sulfide) polymer particles.
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