wherein, said polyisocyanate has the formula R(NCO)n where n is from about 2 to about 4, wherein R is an aliphatic having from about 2 to about 20 carbon atoms; or an aromatic or an alkyl substituted aromatic, or an aryl substituted alkyl having from about 6 to about 20 carbon atoms, an optional chain extenders, and an optional urethane crosslinker, and wherein said vinyl ester monomer or oligomer