each of the polymer having {TAIL ~ repeating units} represented by the chemical formula and the polymer having repeating units represented by the chemical formula is {HEAD ~ a non halogenated polymer} having a polymer structure including no halogen atom 
each of the polymer having { TAIL ~ repeating units } represented by the chemical formula and the polymer having repeating units represented by the chemical formula is { HEAD ~ a non halogenated polymer } having a polymer structure including no halogen atom
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH