{TAIL ~ Polyisobutylene} is disposed on the surface of the fibers to form {HEAD ~ treated fibers} having a treated thickness 
{ TAIL ~ Polyisobutylene } is disposed on the surface of the fibers to form { HEAD ~ treated fibers } having a treated thickness
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH