1) polymerizable, starting {HEAD ~ materials} comprising at least one C4 C14 alkyl acrylate ester monomer and {TAIL ~ at least one acrylamide comonomer}, and 
comprising
1 ) polymerizable , starting { HEAD ~ materials } comprising at least one C4 C14 alkyl acrylate ester monomer and { TAIL ~ at least one acrylamide comonomer } , and
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH