The present invention generally relates to producing sub micron fibers, and more specifically relates to a process and {HEAD ~ apparatus} for effecting {TAIL ~ formation} of sub micron fibers by fibrillation of polymer films, and nonwoven materials and articles incorporating them 
for effecting
The present invention generally relates to producing sub micron fibers , and more specifically relates to a process and { HEAD ~ apparatus } for effecting { TAIL ~ formation } of sub micron fibers by fibrillation of polymer films , and nonwoven materials and articles incorporating them
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH