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    • 9. 发明授权
    • Process of making poly (trimethylene dicarboxylate) fibers
    • 制备聚(三亚甲基二羧酸酯)纤维的方法
    • US06923925B2
    • 2005-08-02
    • US10183710
    • 2002-06-27
    • Jing C. ChangJoseph V. KurianShekhar Subramoney
    • Jing C. ChangJoseph V. KurianShekhar Subramoney
    • D01F6/62D01F6/92D03D15/00D01D5/34D01F8/14D02G1/02D02G3/02D02G3/24
    • D01F6/92Y10T428/2929Y10T428/2964
    • A process for preparing poly(trimethylene dicarboxylate) multifilament yarns and monofilaments. One process for preparing poly(trimethylene dicarboxylate) multifilament yarns includes (a) providing a polymer blend including poly(trimethylene dicarboxylate) and about 0.1 to about 10 weight % styrene polymer, by weight of the polymer in the polymer blend, (b) spinning the polymer blend to form poly(trimethylene dicarboxylate) multiconstituent filaments containing dispersed styrene polymer, and (c) processing the multiconstituent filaments into poly(trimethylene dicarboxylate) multifilament yarn including poly(trimethylene dicarboxylate) multiconstituent filaments containing styrene polymer dispersed throughout the filaments. Another process includes spinning at a speed of at least 3,000 m/m and processing a blend including poly(trimethylene dicarboxylate) to form partially oriented poly(trimethylene dicarboxylate) multifilament yarn. A poly(trimethylene terephthalate) yarn including poly(trimethylene terephthalate) multiconstituent filament containing styrene polymer dispersed throughout the multiconstituent filament. The invention is also directed to uses of the filament yarns and monofilament.
    • 制备聚(三亚甲基二羧酸酯)复丝纱和单丝的方法。 一种制备聚(三亚甲基二羧酸酯)复丝纱线的方法包括(a)按聚合物共混物中聚合物的重量计提供包含聚(三亚甲基二羧酸酯)和约0.1至约10重量%苯乙烯聚合物的聚合物共混物,(b)纺丝 聚合物共混物以形成含有分散的苯乙烯聚合物的聚(三亚甲基二羧酸酯)多构成长丝,和(c)将多成分长丝加工成聚(三亚甲基二羧酸酯)复丝纱,其包含分散在整个长丝中的聚苯乙烯聚合物的聚(三亚甲基二羧酸酯)多取向丝。 另一种方法包括以至少3,000m / m的速度纺丝并加工包括聚(三亚甲基二羧酸酯)的共混物以形成部分取向的聚(三亚甲基二羧酸酯)复丝纱线。 聚对苯二甲酸丙二醇酯聚对苯二甲酸乙二醇酯纱线,其包含聚苯乙烯聚合物分散在整个多成分丝中的聚(对苯二甲酸丙二醇酯)多取向丝。 本发明还涉及长丝纱和单丝的用途。