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