In an embodiment, the composite material includes a PLLA fiber material and a matrix material that does not have {HEAD ~ the same chemical element composition} as {TAIL ~ the fiber material} 
as
In an embodiment , the composite material includes a PLLA fiber material and a matrix material that does not have { HEAD ~ the same chemical element composition } as { TAIL ~ the fiber material }
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL