d chain, saturated or unsaturated aliphatic, cycloaliphatic, or polycycloaliphatic groups possessing from 1 to about 20 carbon atoms, subject to the provision that at least one of groups R3, R4, R5, R6, R7 or R8 is other than hydrogen and n is 0 or 1, wherein the composition additionally comprises a tackifier wherein the tackifier is a hydrocarbon resin.