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