The conditions of such mixing are not critical, provided that {HEAD ~ good wetting} of {TAIL ~ the polymer} occurs 
of
The conditions of such mixing are not critical , provided that { HEAD ~ good wetting } of { TAIL ~ the polymer } occurs
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH