POST-TREATMENT OF LAMINATED NONWOVEN CELLULOSIC FIBER WEBS

摘要

A method for post-treating a laminate precursor nonwoven web which includes layers of thermoplastic man-made fibers and at least one layer of cellulose-based staple natural fibers, including consolidating the web longitudinally and thereby reducing the maximum pore size measure of the web. The presursor web and the resultant consolidated nonwoven web are also disclosed, as is utilization of the product web in medical uses.