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