Abstract
Abstract The polymerization of vinyl monomers containing blocked isocya-nate groups is reported. The blocking agents for the isocyanate groups of 2-isocyanato methacrylate were phenol, propanone oxime, benzophe-none oxime, and ecaprolactam. The 1H-NMR and IR spectra of these polymers are discussed. Copolymerization reactivity ratios of the vinyl monomer blocked by phenol with styrene and methyl methacrylate have been determined. Glass transition temperatures of these polymers have been determined by differential scanning calorimetry. The homo– and copolymers were crosslinked in the presence of ethylene diamine, and the gels obtained were examined by IR spectra.
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