oro-1,3-butadiene or isoprene wherein R is H or methyl, R is a saturated alkyl group containing from one to 18 carbons, R is a phenyl or alkyl substituted phenyl, R is hydrogen or saturated alkyl groups of one to six carbons and Y is fluorine, chlorine or bromine; .a water dispersion or latex of this composition and fabrics or paper treated with this composition to render them water and oil repell