prov:value
| - If, in addition to the rubber phase, one or more,rigid components (having glass transition temperatures of more than 20??? C.) are present in the elastomer, these components are generally prepared by polymerization of styrene, acrylonitrile, methacrylonitrile, ??-methylstyrene, p-methylstyrene, acrylates and methacrylates, such as methyl acrylate, ethyl acrylate and methyl methacrylate, as main mo
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