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Spunbond Nonwovens, Sanitary Materials, and Methods of Making Spunbond Nonwovens
Spunbond Nonwovens, Sanitary Materials, and Methods of Making Spunbond Nonwovens
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机译：纺粘非织造物，卫生材料和制造纺粘非织造布的方法
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摘要
At least one selected from the group consisting of a propylene homopolymer having a melting point of 140° C. or higher, a polyethylene having a density of 0.941 g/cm 3 or more and 0.970 g/cm 3 or less, and a polymer represented by (I) and a polymer represented by (II) below. of the fiber containing the polymer, wherein the fiber has a sea-island structure, and among the island phases in a cross section orthogonal to the axial direction of the fiber, the proportion of island phases with a diameter of 0.12 μm or more and less than 0.63 μm is 30% based on the number The above, spunbond nonwoven fabric. (I) is at least one random copolymer selected from propylene, ethylene, and ?-olefins having 4 or more and 20 or less carbon atoms. (II) is a propylene homopolymer having a melting point of less than 120°C that satisfies specific conditions.
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机译：选自熔点或更高的丙烯均聚物的丙烯均聚物，其密度为0.941g / cm 3 以上的聚乙烯和0.970g / cm < Sup> 3 或更小，以及由（I）表示的聚合物和由下面的（II）表示的聚合物。 含有聚合物的纤维，其中纤维具有海岛结构，并且在与纤维的轴向正交的横截面中的岛相中，直径为0.12μm或更大的岛相的比例。 基于上面的数量，纺粘无纺布，0.63μm为30％。 （i）是至少一种选自丙烯，乙烯和α-烯烃的无规共聚物，具有4个或更多个和20个或更小的碳原子。 （ii）是熔点的丙烯均聚物，熔点小于120℃，满足特定条件。
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