Phenylene sulfide/biphenylene sulfide copolymer pipe

Details Phenylene sulfide/biphenylene sulfide copolymer pipe Phenylene sulfide/biphenylene sulfide copolymer pipe

B - Operations, Transporting

29

C

18/768, 18/785,

B29C 47/00 (2006.01) B29B 9/02 (2006.01) B29C 55/22 (2006.01)

Patent

CA 2040368

Abstract of the Disclosure Disclosed herein is an improved pipe comprised of phenylene sulfide/biphenylene sulfide copolymers. The improved pipe has greater flexibility and ductility than pipe produced from normal PPS resin. Also disclosed is a method of producing such pipe by preparing a phenylene sulfide/biphenylene sulfide copolymer and forming the copolymer into essentially amorphous pipe by extrusion followed by rapid and uniform quench to avoid pipe crystallization. Also disclosed is a method wherein such amorphous pipe is oriented by subsequent die extrusion.

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