The present application is directed to methods of forming multi layered fibers having a core and a first layer containing a first polymer and {HEAD ~ a second layer} containing {TAIL ~ a second polymer} 
The present application is directed to methods of forming multi layered fibers having a core and a first layer containing a first polymer and { HEAD ~ a second layer } containing { TAIL ~ a second polymer }
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 HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL