It has been found that having a first polymer in a first layer and a second polymer in a second layer aids in the ability to use lower temperature, pressure, and dwell time consolidation conditions with the same or better properties as compared to a fiber having {HEAD ~ only the first polymer} in {TAIL ~ one layer} 
in
It has been found that having a first polymer in a first layer and a second polymer in a second layer aids in the ability to use lower temperature , pressure , and dwell time consolidation conditions with the same or better properties as compared to a fiber having { HEAD ~ only the first polymer } in { TAIL ~ one layer }
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 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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL