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Nonwoven Fabrics from Blends of lsotactic and Atactic Polyolefins prepared from a blend of isotactic and atactic polyolefins,

机译:由全同立构和无规立构聚烯烃共混物制备的全同立构和无规立构聚烯烃共混物的无纺布,

摘要

The present invention provides a nonwoven fabric comprising a nonwoven web layer comprising filaments made from a thermoplastic polymer. The thermoplastic polymer is a blend of at least one isotactic polymer having an isotacticity of 85 or less and 40 wt% or less of at least one isotactic polymer having isotacticity of less than 20, and the blend also comprises about 0.1 to 3.0 wt% /RTI fluorocarbons. The fabrics can be made by spun bonding and meltblowing methods and have excellent strength, barrier properties and flexibility.
机译:本发明提供了一种包括非织造纤维网层的非织造织物,该非织造纤维网层包括由热塑性聚合物制成的长丝。所述热塑性聚合物是至少一种全同​​立构规整度小于或等于80且40wt%或更少的至少一种全同​​立构规整度小于20的全同立构聚合物的共混物,并且所述共混物还包含约0.1至3.0wt% / RTI>碳氟化合物。该织物可以通过纺粘和熔喷方法制成,并且具有优异的强度,阻隔性能和柔韧性。

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