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