However, the ratio of {HEAD ~ the weight} of the solvent relative to {TAIL ~ the total weight} of the solvent and the polymer material of the present invention is preferably less than 70 wt %, more preferably less than 50 wt %, and most preferably less than 33.3 wt % 
However , the ratio of { HEAD ~ the weight } of the solvent relative to { TAIL ~ the total weight } of the solvent and the polymer material of the present invention is preferably less than 70 wt % , more preferably less than 50 wt % , and most preferably less than 33.3 wt %
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH