Poly(arylene thioether) resin compositions and extruded...

Details Poly(arylene thioether) resin compositions and extruded... Poly(arylene thioether) resin compositions and extruded...

C - Chemistry, Metallurgy

08

L

400/6101, 18/798

C08L 81/02 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2036136

- 34 - ABSTRACT Disclosed herein is a poly(arylene thioether) resin composition comprising 100 parts by weight of a poly(arylene thioether) (A) having a shear rate dependence value of melt viscosity at 310°C of 2.2-3.0 and a crystallization temperature of 175-210°C, and 20-400 parts by weight of a poly(arylene thioether) (B) having a shear rate dependence value of melt viscosity at 310°C of 1.0- 2.0 and a crystallization temperature of 220-260°C. The resin portion consisting of the poly(arylene thioethers) (A) and (B) in the resin composition has a melt viscosity of 1,400-3,500 poises as measured at 310°C and a shear rate of 1,200 sec-1, a shear rate dependence value of melt viscosity at 310°C of 1.5-2.3, and a crystallization temperature of 205-230°C. Extruded products such as a tubular extruded article obtained from the resin composition are also disclosed.

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