Copolymerization of N-methacryloyloxyphthalimide (NMP) with methyl acrylate (MA), methyl methacrylate (MMA), and acrylonitrile (AN) was carried out in dimethylformamide using azobisisobutyronitrile (AIBN) as an initiator at 60°C. The estimation of the copolymer compositions were carried by ¹H nuclear magnetic resonance (NMR) spectroscopy. The monomer reactivity ratios for NMP-MA, NMP-MMA, and NMP-AN systems were found to be r₁ = 1.223, r₂ = 0.208, r₁ = 1.441, r₂ = 0.704, r₁ = 1.496 and r₂ = 0.228, respectively, by Kelen–Tüdős method. Also, the Q and e values for NMP monomer was found to be Q = 0.90 and e = 0.01, respectively.

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Volume37, Issue7

March 1989

Pages 2051-2058

Estimation of reactivity ratios of N-methacryloloxyphthalimide copolymers by¹H NMR

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Estimation of reactivity ratios of N-methacryloloxyphthalimide copolymers by1H NMR

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Estimation of reactivity ratios of N-methacryloloxyphthalimide copolymers by¹H NMR