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...http://www.google.fr/patents/US5965084?utm_source=gb-gplus-shareBrevet US5965084 - Process for producing non-woven fabrics of ultrafine polyolefin fibers
Process for producing non-woven fabrics of ultrafine polyolefin fibers