Ethylenically unsaturated monomers suitable for copolymerizing with the monomeric emulsion stabilizers of this invention comprise vinyl acetate, vinyl chloride, acrylonitrile, and acrylic monomers in general represented by the general formula ##STR6## where R6 is a hydrogen atom or a methyl group, and R7 is a saturated alkyl radical of 1 to 14 carbon atoms.