Blow-molded polyphenylene sulfide articles

Details Blow-molded polyphenylene sulfide articles Blow-molded polyphenylene sulfide articles

C - Chemistry, Metallurgy

08

G

402/319, 18/509,

C08G 75/02 (2006.01) B29C 49/00 (2006.01) C08K 3/34 (2006.01) C08L 81/02 (2006.01)

Patent

CA 2011683

Abstract Of The Disclosure Articles are blow-molded from a polyphenylene sulfide resin having a melt flow in a range of from about 1 to about 10 g/10 min., and preferably in a range of from about 4 to about 8 g/10 min. When filler materials such as mica are added, the upper end of the acceptable melt flow range is raised to about 15 g/10 min. By maintaining mold tem- peratures in a range of from about 250° to about 400° F., and preferably from about 275° to about 325° F., the polyphenylene sulfide material in the blow-molded article is provided with a semi-crystalline structure, and is dimen- sionally stable at temperatures of at least 500° F. Filler materials are preferably provided in a range of from about 10 to about 20 weight percent.

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