A composition 1 wherein said {HEAD ~ acryloxy functional silane} is selected from {TAIL ~ the group} consisting of 
is selected from
A composition 1 wherein said { HEAD ~ acryloxy functional silane } is selected from { TAIL ~ the group } consisting of
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH