| http://www.w3.org/ns/prov#value | - The styrene copolymerized with the hydroxyalkyl acrylate may be characterized by the formula: ##STR2## wherein R is hydrogen or an alkyl group of 1 to 4 carbon atoms, e.g. tertiarybutyl styrene and is present in amounts ranging from about 10 to 60% and preferably in amounts ranging from 25 to 30 parts by weight of the total reactants.
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