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