The method 1, wherein {HEAD ~ acidic or basic auxiliary substances} are added in a proportion of from 0.01 mol % to {TAIL ~ 5 mol %} 
The method 1 , wherein { HEAD ~ acidic or basic auxiliary substances } are added in a proportion of from 0.01 mol % to { TAIL ~ 5 mol % }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL