Abstract: This invention is concerned with an article comprising an untreated polyolefin substrate and adherent thereto a vinyl addition polymer of monomers comprising at least 5% by weight a primary monomer selected from(a) monomers having the formula ##STR1## wherein X is -O-, -NH- or -NR.sup.5 -; R.sup.1 and R.sup.7, individually, are H, methyl or ethyl;R.sup.2 is H or an organic radical, preferably -COOH, -CONH.sub.2 or -COOR.sup.6 ;R.sup.3 is H or an organic radical, preferably methyl, other alkyl having up to about five carbon atoms, -CH.sub.2 COOR.sup.6, -COOR.sup.6 or -CH.sub.2 COOH;R.sup.4 and R.sup.5, individually, are monocyclic alkyl having six or more carbon atoms, acyclic alkyl having nine or more carbon atoms, or alkaryl having nine or more carbon atoms;R.sup.