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- W2143458273 abstract "Benzoyl peroxide (BPO)-initiated free radical copolymerization of citronellol with butylmethacrylate (BMA) in xylene at 80°C ± 0.1°C under the inert atmosphere of nitrogen has been studied. The kinetics expression is Rp α [I]0.5±0.27 [citronellol]1.0±0.13 [BMA]1.0±0.18. The overall activation energy has been calculated as 65 kJ/mol. Bands at 3436 and 1732 cm−1 in the FTIR spectrum of the copolymer(s) have indicated the presence of hydroxy, ester group of citronellol and butylmethacrylate, respectively. The 1H-NMR spectrum shows peaks at 7.0–7.7 δ due to OH proton of citronellol and at 3.2–4.0 δ due to OCH2 proton of butylmethacrylate. The molecular weight Mv and ηint of the copolymers have been measured with the help of gel permeation chromatography in tetrahydrofuran at 25°C to calculate Mark-Houwink constants as K = 2.68 × 10−4 and α = 0.34 ± 0.40. The alternating nature of the copolymer is confirmed by reactivity ratios r1 (BMA) = 0.023 ± 0.004 and r2 (Citronellol) = 0.0025 ± 0.22. The Alfrey-Price Q-e parameters for citronellol have been calculated as Q2 = 0.13 and e2 = –1.28. Thermal decompositions of copolymer are evaluated with the help of thermal gravimetric analysis technique. The mechanism of copolymerization has been elucidated. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009" @default.
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- W2143458273 date "2009-06-05" @default.
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- W2143458273 title "Synthesis and characterization of functional copolymers of citronellol with butylmethacrylate initiated by benzoyl peroxide" @default.
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- W2143458273 doi "https://doi.org/10.1002/app.29614" @default.
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