More particularly, {HEAD ~ the invention} relates to {TAIL ~ a copolymer} having as a first constituent a hydrophobic acrylamide monomer 
More particularly , { HEAD ~ the invention } relates to { TAIL ~ a copolymer } having as a first constituent a hydrophobic acrylamide monomer
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH