The capping agent may be {TAIL ~ any} of {HEAD ~ methoxypolyoxyethylene monols}, polyoxyethylene polyoxypropylene monols, and mixtures thereof 
The capping agent may be { TAIL ~ any } of { HEAD ~ methoxypolyoxyethylene monols } , polyoxyethylene polyoxypropylene monols , and mixtures thereof
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH