| http://www.w3.org/ns/prov#value | - 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
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