SURFACE-TREATED FILLER AND RUBBER COMPOSITION FILLED THEREWITH

摘要

PURPOSE:To prepare the title filler excellent in reinforcing effect by subjecting a filler to a surface treatment with a specific terpolymer. CONSTITUTION:A filler pref. comprising silica, CaCo3, talc, or aluminum hydroxide is subjected to a surface treatment with a terpolymer which contains repeating units derived from ethylene, repeating units derived from at least one (meth) acrylic ester (e.g. ethyl acrylate), and repeating units derived from maleic anhydride.