Process for producing non-woven fabrics of ultrafine polyolefin fibers
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United States of America Patent
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Oct 12, 1999
Issued Date -
N/A
app pub date -
Apr 1, 1998
filing date -
Oct 29, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing a non-woven fabric of ultrafine polyolefin fibers by subjecting a web of splittable conjugate polyolefin fibers to a water needle processing, and non-woven fabric thus obtained are described. The polyolefin composite fibers, contain 1.0 to 7.0% by weight of a hydrophilic component blended therein. The non-woven fabrics include ultrafine fibers having a size of 0.5 denier or less and a non-circular cross-section. Splitting and peeling off of the conjugate fibers and generation of static electricity with the composite fibers at a carding step is suppressed. The non-woven fabrics have an excellent wiping property, softness, and hydrophilic property.
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