A method 1 wherein the vinyl resin layer is a vinyl chloride polymer resin and {HEAD ~ the photoinitiator} is {TAIL ~ benzophenone} 
is
A method 1 wherein the vinyl resin layer is a vinyl chloride polymer resin and { HEAD ~ the photoinitiator } is { TAIL ~ benzophenone }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL