. . "Examples of the carboxylic acid and anhydride include, but are not limited to, an unsaturated monocarboxylic acid such as acrylic acid or methacrylic acid; an unsaturated dicarboxylic acid such as maleic acid, fumaric acid, itaconic acid, citraconic acid, allyl succinic acid, mesaconic acid, glutaconic acid, Nadic acid (norbornene-2,3-dicarboxylic acid), methyl Nadic acid, tetrahydrophthalic acid," . .