The composition of claim 1 wherein the quaternized phosphate ester has the structure ##STR8## wherein R4 is an aryl, an alkaryl, a saturated alkyl group, an unsaturated alkyl group, a saturated hydroxyalkyl group, or an unsaturated hydroxyalkyl group, wherein the alkyl or hydroxyalkyl group has about 7 to about 21 carbon atoms; R5 is hydrogen, an alkyl group or a hydroxyalkyl group having 1 to abo