A copolymer 1, wherein the copolymer comprises about 2 to 50% by {HEAD ~ weight} of {TAIL ~ anhydride functionalized polyphenylene oxide} 
of
A copolymer 1 , wherein the copolymer comprises about 2 to 50 % by { HEAD ~ weight } of { TAIL ~ anhydride functionalized polyphenylene oxide }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL