Abstract

High molecular weight epoxy resins have been grafted with styrene−methacrylic acid monomers; the epoxy-g-(styrene-methacrylic acid) copolymer was water-reducible when neutralized with a base. Characterization of graft sites in the epoxy-g-acrylic copolymer by 13C NMR spectroscopy is described. Grafting takes place at the aliphatic carbons of the epoxy resin. The rationale for this behavior is presented.

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