Polyarylene sulfides, process for preparation of the same,...

Details Polyarylene sulfides, process for preparation of the same,... Polyarylene sulfides, process for preparation of the same,...

C - Chemistry, Metallurgy

08

G

402/344, 400/810

C08G 75/14 (2006.01) C08G 75/02 (2006.01) C08K 7/14 (2006.01) C08L 81/04 (2006.01)

Patent

CA 2007445

ABSTRACT OF THE DISCLOSURE A polyarylene sulfide has a ratio of weight-average molecular weight [Mw] to number-average molecular weight [Mn], a Mw/Mn, ranging from 2 to 5. The polyarylene sulfide is prepared by reacting a dihalo-aromatic compound with a sulfur source in an organic polar solvent at a temperature ranging from 220°C to 280 °C for 0.1 to 2 hours, yielding the polyarylene sulfide in a crude form and washing the crude polyarylene sulfide with an organic polar solvent at a temperature ranging from 100°C to 220 °C . Further, a resin composition is prepared by blending 100 parts by weight of the polyarylene sulfide with a filler in an amount ranging from 0.5 part to 500 parts by weight. The polyarylene sulfide is provided with further improved properties, such as mechanical strength, heat deterioration resistance, chemical resistance and long-lasting durability.

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