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