Patent ID: 8227562

Claim:
A polymer comprising a terminal moiety defined by the formula where each R independently is H or a C 1 -C 6 alkyl group; m is an integer of from 0 to 4 inclusive and n is an integer of from 1 to 4 inclusive, with the proviso that m+n≧2; and Z is NR 1 , PR 2 , SiR 2 R 3 , SnR 2 R 3 , or CR 2 R 4 wherein each of R 1 and R 2 is an alkyl, aryl, aralkyl, alkaryl or cycloalkyl group that is free of active hydrogen atoms and that comprises one or more N, P, O, S, Si or Sn atoms, R 3 is a C 1 -C 6 alkyl group, and R 4 is R or, together with R 2 and the C atom to which it is bonded, forms a cycloalkyl group that includes at least one N, P, O, S, Si or Sn atom.