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http://dx.doi.org/10.12925/jkocs.2013.30.2.297

Free-Radical Copolymerization of Glycidyl Methacrylate with Phthalimidoethyl Acrylate : Synthesis and Determination of Monomer Reactivity Ratios  

Oh, Seung-Min (Eihwa Middle School)
Oh, Dae-Hee (Dept. of Industrial Chemistry, Pukyong National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.30, no.2, 2013 , pp. 297-304 More about this Journal
Abstract
Free-radical copolymerization of glycidyl methacrylate(GMA) and N-phthalimidoethyl acrylate(NPEA) were carried out at $60^{\circ}C$ in dimethylformamide(DMF) solution in the presence of benzoylperoxide(BPO) at low conversion. The polymers were characterized by IR and $^1H$-NMR. The compositions of the copolymer was analyzed by ultra violet(UV/Vis) spectrophotometry. The reactivity ratios of the monomer was determined by the application of Fineman-Ross(FR) and Kelen-T$\ddot{u}$d$\ddot{o}$s(KT) methods. The monomer reactivity ratios of the system and Alfrey-Price's resonance effect(Q) and polar effect(e) value for NIEA were determined as follow. The reactivity ratios of the monomer obtained from FR and KT are found to be $r_1$=0.87, $r_2$=0.98 and $r_1$=0.88, $r_2$=0.99 respectively. The Q and e values of poly(GMA-co-NPEM) calculated from $r_1$ and $r_2$ was Q= 1.31, e=0.75 respectively.
Keywords
phthalimidoethyl acrylate; monomer reactivity ratios; copolymer;
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