2) initiator for the polymerizable monomer starting materials present in {HEAD ~ an amount} from 0.1 to {TAIL ~ approximately 2 parts} by weight per 100 parts by weight of the polymerizable monomer starting materials, 
2 ) initiator for the polymerizable monomer starting materials present in { HEAD ~ an amount } from 0.1 to { TAIL ~ approximately 2 parts } by weight per 100 parts by weight of the polymerizable monomer starting materials ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH