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Effect of thermal molecular motion on pervaporation behavior of comb-shaped polymers with fluorocarbon side groups

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Summary

Thermal molecular motion of a series of comb-shaped polymers with heptadecafluorodecyl side chains (CF 8C2-) has been studied based on dynamic viscoelastic measurement. The main chain of comb-shaped polymers was poly(fumarate), poly(methacrylate), and poly(acrylate). Poly(fluoroalkylfumarate) with heptadecafluorodecyl group, P(CF 8C2-iPF) was amorphous polymer, whereas poly(acrylate) and poly(methacrylate) with CF 8C2-, P(CF 8C2-Acr) and P(CF 8C2-MAcr) showed mesomorphic behavior. The pervaporation behavior of water/organic mixtures through amorphous polymer, P(CF 8C2-iPF), and mesomorphic one, P(CF 8C2-Acr), were investigated. The distinct increase in permselectivity has been observed at the mesomorphic transition of P(CF 8C2-Acr).

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Authors and Affiliations

  1. A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect, 29, 117912 GSP-1, Moscow B-71, Russia

    V. V. Volkov, A. G. Fadeev & N. A. Plate

  2. Tsukuba Research Laboratory, Nippon Oil and Fats, Co., Ltd., Tokodai 5-10, Tsukuba, 300-26, Ibarak, Japan

    N. Amaya & Y. Murata

  3. Department of Chemical Science and Technology, Faculty of Engineering, Kyushu University, Higashi-ku, 812, Fukuoka, Japan

    A. Takanara & T. Kajiyama

Authors
  1. V. V. Volkov
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  2. A. G. Fadeev
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  3. N. A. Plate
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  4. N. Amaya
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  5. Y. Murata
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  6. A. Takanara
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  7. T. Kajiyama
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Volkov, V.V., Fadeev, A.G., Plate, N.A. et al. Effect of thermal molecular motion on pervaporation behavior of comb-shaped polymers with fluorocarbon side groups. Polymer Bulletin 32, 193–200 (1994). https://doi.org/10.1007/BF00306388

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  • DOI: https://doi.org/10.1007/BF00306388

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