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Gel Polymerization at High Gravity

  • V. A. Briskman
  • K. G. Kostarev
  • T. P. Lyubimova
Chapter

Abstract

Gravity dependent heat and mass transfer mechanisms often play important roles in material processing. The usage of high gravity conditions for experiments on crystal growth is known. A new field of applications could be the synthesis of polymers. Gel polymerization displays very high gravitational 1-4 and the final sample structure shows traces of all the gel formation stages. There are two main reasons for that; reaction exothermicity and the appearance of a new more dense phase. If the reaction develops nonuniformly, then the above factors lead to density gradients and to macroscopic flows. Transport phenomena directly influence the resulting gel macrostructure. However, the processes forming macro- and microstructures are interconnected. Thus reciprocal influences exist, since the molecular characteristics determine such macroscopic gel parameters as elasticity, permeability, etc.

Keywords

Methylene Blue Centrifugal Force Crosslink Density Irradiate Surface Orbital Condition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    A.S. Sadykov, V.B. Leontyev, Yu.S. Mangutova, G.M. Grechko, G.S. Nechitailo, and A.L. Mashinskii, Akad. Nauk SSSR, Doklady 303:1004 (1988).Google Scholar
  2. 2.
    Sh.D. Abdurakhmanov, LG. Bogateyreva, V.A. Briskman, M.G. Levkovich, V.B. Leontyev, T.P. Lyubimova, A.L. Mashinskii, and G.S. Nechitailo, On polyacrylamide gel formation by photoinitiation under terrestrial and orbital conditions, in: “Numerical and Experimental Modelling of Hydrodynamic Phenomena under Weightlessness,” Sverdlovsk (1988).Google Scholar
  3. 3.
    Sh.D. Abdurakhmanov, V.G. Babskii, L.G. Bogatyreva, V.A. Briskman, M.G. Levkovich, V.B. Leontyev, T.P. Lyubimova, A.L. Mashinskii, and G.S. Nechitailo, Structure formation of polyacrylamide gel at photoinitiation under earth and orbital conditions, in: “Gagarin Scientific Readings on the Astronautics and Aeronautics 1989,” Moscow (1990).Google Scholar
  4. 4.
    L.G. Bogatyreva, V.A. Briskman, K.G. Kostarev, V.B. Leontyev, M.G. Levkovich, T.P. Lyubimova, AL. Mashinskii, G.S. Nechitailo, and P.G. Righetti, Heat/mass transfer mechanisms of the polymerization under terrestrial and microgravity conditions, in: “Proceedings of the VIII European Symposium on Material and Fluid Sciences in Microgravity,” ESA SP-333, Vol. 1 (1992).Google Scholar
  5. 5.
    T.P. Lyubimova, Polymerization under terrestrial and orbital conditions: comparative study, in: “Hydromechanics and Heat/Mass Transfer in Microgravity, Reviewed Proceedings of the First International Symposium on Hydromechanics and Heat/Mass Transfer in Microgravity, Perm-Moscow, 1991,” Gordon and Breach Science Publishers (1992).Google Scholar
  6. 6.
    P. deGennes. “Scaling Concepts in Polymer Physics” (1979).Google Scholar
  7. 7.
    T. Lyubimova, S. Caglio, C. Gelfi, P.G. Righetti, and Th. Rabilloud, Photopolymerization of polyacrylamide gels with methylene blue, Electrophoresis 14:40 (1993).CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • V. A. Briskman
    • 1
  • K. G. Kostarev
    • 1
  • T. P. Lyubimova
    • 1
  1. 1.Institute of Continuous Media MechanicsRussian Academy of SciencePermRussia

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