{TAIL ~ The methylene chloride} forms a complex with the unreacted polyphenylene ether and with the polyphenylene ether portion of {HEAD ~ the copolymer} 
{ TAIL ~ The methylene chloride } forms a complex with the unreacted polyphenylene ether and with the polyphenylene ether portion of { HEAD ~ the copolymer }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD