prov:value
| - xypropylene glycol monomethacrylate, and the like; useful comonomers include the vinyl aromatic monomers such as styrene, ??-methylstyrene, 2- and 4-vinyl-pyridine, and the like; ??,??-unsaturated carboxylic acids such as acrylic acid, methacrylic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, and the like; ??,??-unsaturated carboxylic acid derivatives such as methyl methacrylate,
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