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The acrylic monomer, 2-(N-phthalimido)-2-methylpropyl acrylate was prepared by reacting 2-(N-phthalimido)-2-methylpropan-1-ol dissolved in 2-butanone with acryloyl chloride in the presence of triethylamine. Copolymers of 2-(N-phthalimido)-2-methylpropyl acrylate with methyl methacrylate having various feed compositions in 2-butanone solution were synthesized using benzoyl peroxide as a free radical initiator at 70°C. The monomer and the copolymers were characterized by infrared and proton nuclear magnetic resonance (1H-NMR) spectroscopic techniques. The copolymer compositions were calculated by 1H-NMR technique. The monomer reactivity ratios were determined by the application of conventional linearization methods suggested by Fineman-Ross and Kelen-Tüdös. The number and weight average molecular weights (M n and M w) of the polymers were determined by gel permeation chromatography. The thermal stability of the polymers was measured by thermogravimetric analysis in air. The solubility of the polymers was tested.
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Balaji et al. (2001) studied this question.
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