Acyloin urethans can be employed to effect photopolymerization of {TAIL ~ free radical polymerizable compositions} in inert and {HEAD ~ oxygen} containing atmospheres 
Acyloin urethans can be employed to effect photopolymerization of { TAIL ~ free radical polymerizable compositions } in inert and { HEAD ~ oxygen } containing atmospheres
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH