{HEAD ~ The ester} may be prepared by reacting the ethoxylated alcohol with polyphosphoric acid at {TAIL ~ a temperature} of from about 75° to about 100° C. to form a mono ester 
{ HEAD ~ The ester } may be prepared by reacting the ethoxylated alcohol with polyphosphoric acid at { TAIL ~ a temperature } of from about 75 ° to about 100 ° C. to form a mono ester
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH 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