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    • 10. 发明申请
    • ORGANIC RESIN NON-CRIMPED STAPLE FIBER
    • 有机树脂非破损的贴纸
    • US20160177476A1
    • 2016-06-23
    • US14889970
    • 2014-05-27
    • TEIJIN LIMITED
    • Noritaka BANHironori GODAShinichi TAKAHASHI
    • D01G1/04D04H1/00D01F6/62D01F8/04D01F6/04D01F6/60
    • D01G1/04D01D5/26D01F6/04D01F6/605D01F6/62D01F8/04D04H1/00D04H1/4326D04H1/435D04H1/54D10B2321/02D10B2331/021D10B2331/04
    • The present invention is intended to provide an organic resin non-crimped staple fiber that has notably few defects and that uniformly disperses in a dispersion medium, and that is preferred for use in wet-laid nonwoven fabrics or resin reinforcement in applications such as in industrial materials and daily commodities. The organic resin non-crimped staple fiber of the present invention has a fineness of 0.0001 to 0.6 decitex, a fiber length of 0.01 to 5.0 millimeters, a moisture content of 10 to 200 weight %, a cut-end coefficient of 1.00 to 1.40, and a coefficient of variation relative to fiber length (CV %) of 0.0 to 15.0%, the cut-end coefficient and the coefficient of variation relative to fiber length being defined as follows: (1) Cut-End Coefficient=b/a, wherein a is the fiber diameter of a single yarn of the non-crimped staple fiber, and b is the maximum diameter at the cut end; (2) Coefficient of Variation Relative to Fiber Length (CV %)=(standard deviation of fiber length)/(mean value of fiber length)×100(%), wherein the number of measured single yarns is 50 in (1) and (2). The foregoing object can be achieved with this configuration.
    • 本发明旨在提供一种缺点明显少,均匀分散在分散介质中的有机树脂非卷曲短纤维,优选用于湿法成网非织造布或树脂强化用于工业中 材料和日用品。 本发明的有机树脂非卷曲短纤维的纤度为0.0001〜0.6分特,纤维长度为0.01〜5.0毫米,水分含量为10〜200重量%,切割系数为1.00〜1.40, 相对于纤维长度(CV%)的变化系数为0.0〜15.0%,切断系数和相对于纤维长度的变化系数如下定义:(1)切端系数= b / a, 其中a是非卷曲短纤维的单根纱线的纤维直径,b是切割端的最大直径; (2)相对于纤维长度(CV%)的变异系数=(纤维长度的标准偏差)/(纤维长度的平均值)×100(%),其中,(1)和 (2)。 可以用这种配置实现上述目的。