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    • 51. 发明公开
    • High-quality polyarylene-thioether fibers and method for production thereof
    • Polyarylen-Thioetherfasern von hoherQualitätund Verfahren zu deren Herstellung。
    • EP0195422A2
    • 1986-09-24
    • EP86103688.7
    • 1986-03-19
    • KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
    • Kouyama, ToshitakaEgawa, HarunobuIizuka, YoShiiki, Zenya
    • D01F6/66
    • D01F6/765Y10T428/2913
    • High-property polyarylene-thioether fibers are provided, which simultaneously satisfy the following conditions:

      (a) the polyarylene-thioether is a linear polyarylene-thioether having a melt viscosity of 5,300 to 20,000 poise (at 310°C and a shear velocity of 200 second-';
      (b) the fiber diameter is in the range of 1 to 50 microns;
      (c) the tensile strength is not less than 40 kg/sq.mm;
      (d) the tensile modulus of elasticity is not less than 500 kg/sq.mm; and
      (e) the tensile strength at 200°C is not less than 20 kg/sq.mm.

      - The fibers are produced by continuously melt-spinning a linear polyarylene-thioether polymer having a melt viscosity of 5,300 to 20,000 poise (at 310°C and a shear velocity of 200 second-'), continuously stretching the spun filament, and continuously heat-setting the stretched filament for 0.02 to 100 seconds at a temperature of not lower than the melting point of the polymer minus 100°C.
    • 提供高性能聚亚芳基 - 硫醚纤维,其同时满足以下条件:......(a)聚亚芳基 - 硫醚是熔体粘度为5300至20,000泊(线性聚亚芳基 - 硫醚)(310℃,剪切速度 200秒-1; ...(b)纤维直径在1至50微米范围内;(c)拉伸强度不小于40公斤/平方毫米;(d)拉伸模量 的弹性不小于500kg / sq.mm;和(e)200℃下的拉伸强度不小于20kg / sq.mm。 纺丝熔体粘度为5300〜20,000泊(310℃,剪切速度为200秒-1)的线性聚亚芳基 - 硫醚聚合物,连续拉伸纺丝丝,并连续热定形拉伸长丝为0.02 在不低于聚合物熔点的温度减去100℃的温度下进行100秒钟。