The possibility of grafting a series of alkyl polyacrylates and trimethylsilyloxyethyl methacrylate)] to be electrografted onto Ni. This observation is consistent with a competition polymethacrylates onto a nickel cathode by electropolymerization of the parent monomers has been investigated process between the monomer and the solvent for being adsorbed on the cathode and amassing in its very close and has emphasized the critical importance of the solvent used. Indeed, the intensity of the inhibition peak, which is vicinity. The outcome of this competition is controlled by the relative polarity (in case of low donicity) and the relative the electrochemical mark of the cathode passivation as result of the polymer grafting, clearly depends on both the polarity donor-acceptor properties (when the difference is high enough) of the monomer/solvent pair, and by the monomer and the donor-acceptor properties of the solvent. The Gutmann concept is used to account for these experimental concentration (in case of weak competition). A semiquantitative relationship has also been observed between results. An increase in the donicity of the solvent used for the electrochemical medium has allowed, for the very first time, the monomer ability to be electrografted and the electronaccepting character of the vinyl β-carbon atom as measured several polyacrylates and polymethacrylates [such as poly(ethyl acrylate), poly(methyl methacrylate), and poly(2-by 13 C NMR.