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Synthesis and Characterization of Acrylonitrile-Methylmethacrylate Copolymers: Determination of their Reactivity Ratios | ||
| Al-Mustansiriyah Journal of Science | ||
| Article 1, Volume 19, Issue 2, 2008, Pages 38-49 | ||
| Author | ||
| Tariq S.Najim | ||
| Abstract | ||
| Reactivity ratios for Acrylonitrile (AN),methylmethacrylate (MMA) system have been determined by radical copolymerization at 750C in tetrahydroforan (THF) with benzoyl peroxide (BPO) as initiator. The reactivity ratios were determined by two methods, the first method depends upon the absorbance of analytical band and the molecular weight of monomer , while the second method depends upon the absorbance of the analytical bands and their molar absorpativity (as the second method). The values of the reactivity ratio are calculated by the linear methods of Fineman-Ross (F-R) and Kelen-TűdÖs (K-T) and they are shown in the following table. | ||
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