Abrasive articles incorporating addition polymerizable resins and reactive diluents, and methods of making said abrasive articles

A coated abrasive article comprising a backing upon which an abrasive coating comprising a plurality of abrasive grains and a binder is attached, at least a portion of said binder formed from a coatable, addition polymerizable binder precursor composition comprising an organic compound selected from the group consisting of:

• (a) compounds selected from the group consisting of compounds within general formula (I):
• ##STR18## wherein:
• R.sup.1 is an organic radical devoid of reactive groups other than optional ethylenically-unsaturated groups and is selected from the group consisting of radicals having from 1 to 12 carbon atoms;
• R.sup.2 is selected from the group consisting of:
• i) organic radicals devoid of reactive groups other than optional ethylenically-unsaturated groups and selected from the group consisting of organic radicals having from 1 to 12 carbon atoms, and ii) moieties which do not substantially terminate polymerization of ethylenically-unsaturated groups;
• R.sup.3 is selected from the group consisting of --H and organic radicals devoid of reactive groups other than optional ethylenically-unsaturated groups and selected from the group consisting of organic radicals having from 1 to 12 carbon atoms;
• R.sup.4 is selected from the group consisting of
• --H, --OH, --O--C(.dbd.O)--C(R.sup.3).dbd.CH.sub.2, and --NR.sup.3 --C(.dbd.O)--C(R.sup.3).dbd.CH.sub.2 ;
• W, X and Y are independently selected from the group consisting of O, S, NR.sup.3 ;
• m is an integer ranging from 0 to 2, with the proviso that when m=2, R.sup.2 =adjacent substitutions which together form fused organic ring structures;
• and
• n is either 1 or 2;
• (b) aromatic compounds selected from the group consisting of compounds within general formula III):
• ##STR19## wherein:
• R.sup.1, R.sup.2, R.sup.3, R.sup.4, W, X, Y, m and n are as defined for general formula (I) and p is 0 or 1, with the proviso that when R.sup.1 is --CH.sub.2 CH.sub.2 --, R.sup.4 is H, and m is 0, when X, Y, and W cannot all be O, and with the proviso that when p is 0 and R.sup.1 is --CH.sub.2 --, Y cannot be NR.sub.3 or O;
• (c) N-substituted succinimide derivatives selected from the group consisting of compounds within general formula (III):
• ##STR20## wherein:
• R.sup.1, R.sup.3, W and Y are as defined for general formula (I);
• R.sup.5 is selected from the group consisting of --H, --(R.sup.1).sub.t --Y--C(.dbd.W)--CR.sub.3 .dbd.CH.sub.2, and C.sub.1 -C.sub.12 (inclusive) organic radicals;
• Q is selected from the group consisting of cycloaliphatic residues, bicycloaliphatic residues, and aromatic residues, wherein the residues may have optional ring substituents which do not substantially interfere with free radical polymerization of ethylenically unsaturated groups;
• and
• t is 0 or 1;
• (d) heterocyclic compounds selected from the group consisting of compounds within general formula (IV):
• ##STR21## wherein:
• R.sup.1, R.sup.2, R.sup.3, W, Y, m, and n have the meaning set forth for general formula (I);
• R.sup.5 is selected from the group consisting of --H, --(R.sup.1).sub.t --Y--C(.dbd.W)--CR.sub.3 .dbd.CH.sub.2, and C.sub.1 -C.sub.12 (inclusive) organic radicals;
• (Het) is a cyclic organic radical having at least one ring heteroatom;
• l is 0 or 1;
• and
• t is 0 or 1;
• and
• (e) heterocyclic compounds selected from the group consisting of compounds within general formula (V):
• ##STR22## wherein:
• R.sup.1, R.sup.2, R.sup.3, R.sup.5, W, Y, m, and n have the meanings set forth in general formula (IV);
• and mixtures thereof.