| http://www.w3.org/ns/prov#value | - by the copolymerization of a C.sub.4 to C.sub.10 conjugated diene with one or more vinyl monomers such as styrene, vinylpyridine, acrylonitrile, acrylic acid, methacrylic acid, alkyl acrylates and alkyl methacrylates and the like, e.g. styrene-butadiene
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