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