Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymer, and derivatives thereof

摘要

Copolymer of maleic anhydride and the polymerizable component of naphtha oil chiefly composed of indene and aromatic hydrocarbons having a reactive double bond, a resin modifier containing said copolymer as an effective ingredient, a dispersant containing a salt of the sulfonation product of said copolymer, an esterified product of said copolymer, and preferred processes for producing these products.