Water termination of poly(arylene sulfide) curing

Details Water termination of poly(arylene sulfide) curing Water termination of poly(arylene sulfide) curing

C - Chemistry, Metallurgy

08

G

402/343

C08G 75/14 (2006.01) C08G 75/02 (2006.01)

Patent

CA 1180498

Abstract of the Disclosure In the precuring of particular poly(arylene sulfide) by contact with an oxygen-containing gas in a vessel at a temperature elevated to a range of about 10 to about 70°C below the melt point of the resin, upon reaching the desired level of precure, the particulate resin is contacted with water thereby rapidly to reduce the temperature level below the temperature at which curing occurs. This allows control of the precuring operation to produce desired melt flow characteristics for the resin.

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