Many suitable aminoalkylalkoxysilane precursors may be represented by the structure of below: ##STR3## and ##STR4## wherein R1 O, R2 O, R3 O and n are as defined above, R1, R2, and R3 are independently monovalent hydrocarbon radical (e.g., alkyl and other aliphatic radicals, especially alkyl groups and most particularly methyl and ethyl), Q is a hydrogen or other halide reactive group group, and R