. . "wherein x and y are chain lengths, i.e., greater than about 1, R is any branched or linear alkyl group having from about 1 to about 20 carbon atoms, preferably about 1 to about 12 carbon atoms, a phenyl group, a cyclic group, an isopropyl group, a propane nitrile group, or mixture thereof, R1 is a hydrogen, methyl group, cyano group, phenyl group, or a mixture thereof, and R2 is a hydrogen, a meth" . .