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    • 2. 发明申请
    • Ethylene copolymer modified oriented polypropylene
    • 乙烯共聚物改性取向聚丙烯
    • US20050203232A1
    • 2005-09-15
    • US11072383
    • 2005-03-04
    • Loic RollandSam SamuelsHwee Thai
    • Loic RollandSam SamuelsHwee Thai
    • C08J5/18C08K3/26
    • C08J5/18C08J2323/10D01D5/42D01F6/46
    • Disclosed are oriented films, tapes, and melt-spun fibers prepared from compositions comprising (a) at least one polypropylene polymer; and (b) at least one ethylene copolymer such as ethylene/vinyl acetate dipolymers, ethylene/vinyl acetate terpolymers, ethylene/alkyl (meth)acrylate dipolymers, ethylene/alkyl (meth)acrylate terpolymers, functionalized ethylene copolymers, ethylene/acid copolymers, and salts thereof. The films, tapes and fibers exhibit improved tensile properties such as tensile strength and elongation at break compared to nonmodified polypropylene compositions. Also disclosed are woven, nonwoven and knitted textiles prepared from the oriented melt-spun fibers described, and methods for producing slit film fibers of the invention.
    • 公开了由包含(a)至少一种聚丙烯聚合物的组合物制备的定向膜,带和熔纺丝纤维; 乙烯/乙酸乙烯酯三元共聚物,乙烯/(甲基)丙烯酸烷基酯共聚物,乙烯/(甲基)丙烯酸烷基酯三元共聚物,官能化乙烯共聚物,乙烯/酸共聚物, 及其盐。 与非改性聚丙烯组合物相比,膜,带和纤维表现出改进的拉伸性能,例如拉伸强度和断裂伸长率。 还公开了由所述的取向熔融纺丝纤维制备的编织物,无纺布和针织纺织品以及本发明的狭缝膜纤维的制造方法。