Preparation of non-woven fabric containing polyvinyl alcohol fiber

摘要

The present invention is in a web and method for preparation of non- woven fabric which contains polyvinyl alcohol fiber comprising the steps ofPPforming a web containing scarcely soluble polyvinyl alcohol fiber which is soluble or swellable in the presence of water at a temperature of 90° C. or higher in the amount at least 10% by weight,PPproviding water in said web, andP Ppartially thermally bonding the web so that bonded area occupies 5 to 40% of the web area.