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