The composite material 27, wherein the polymer blend comprises the polymer having a chemical element composition that is different to that of {HEAD ~ the fiber} in {TAIL ~ an amount} of at least 50% of the polymer blend 
The composite material 27 , wherein the polymer blend comprises the polymer having a chemical element composition that is different to that of { HEAD ~ the fiber } in { TAIL ~ an amount } of at least 50 % of the polymer blend
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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH