. "In a preferred embodiment, R1 is a saturated or unsaturated hydrocarbon group having from about 6-24 carbon atoms, M+ is a conjugate acid of the nitrogenous base, the nitrogenous base selected from the group consisting of allyl amine, diallyl amine, triallyl amine, methallyl amine, N-methyl N-allyl amine, or 2-(dimethylamino)ethyl acrylate, and mixtures thereof." . . .