PROCESS AND APPARATUS FOR PRODUCING SUBMICRON FIBER, AND NONWOVEN FABRIC AND ARTICLE CONTAINING THE NONWOVEN FABRIC

摘要

PROBLEM TO BE SOLVED: To produce consistently high-quality submicron fibers for disposable articles in a more efficient manner at commercially significant output levels.SOLUTION: The present invention provides a process and apparatus for producing submicron fibers, more specifically, a process and apparatus for forming submicron fibers by fibrillation of polymer films, and provides nonwoven fabric materials and articles incorporating the submicron fibers.