Subsequently, the mixture is warmed to a temperature of 0° C. to {HEAD ~ 50° C.} to dissolve {TAIL ~ the cellulose triacetate} in the solvent 
to dissolve
Subsequently , the mixture is warmed to a temperature of 0 ° C. to { HEAD ~ 50 ° C. } to dissolve { TAIL ~ the cellulose triacetate } in the solvent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH