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Synthesis and investigation of xerogels of polysiloxane hydride with various porous structures

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    A method of regulation of the porous structure of polysiloxane hydride xerogels was described. Samples of polysiloxane hydride xerogels with various porous structures were obtained.

  2. 2.

    The porous structure of polysiloxane hydride xerogels is determined chiefly by the surface tension of the intermicellar liquid and by the nature of its interaction with the surface of the lyogel.

  3. 3.

    An analysis of the porous structure of typical samples of polysiloxane hydride xerogels was given on the basis of the sorption isotherms of benzene.

  4. 4.

    The porous structure of polysiloxane hydride xerogels is formed by globules in contact, and its parameters are determined by the average diameter of the globules and the average coordination number. The volumes of the different varieties of pores, the specific surface of the transitional pores, and the constants of the equation of the theory of volume filling of micropores, which are parameters of the microporous structure, characterize the porous structure of polysiloxane hydride xerogels.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Academy of Sciences of the USSR, USSR

    G. B. Budkevich, I. B. Slinyakova, E. F. Polystyanov, M. M. Dubinin & I. E. Neimark

  2. Institute of Physical Chemistry, Academy of Sciences of the UkrSSR, USSR

    G. B. Budkevich, I. B. Slinyakova, E. F. Polystyanov, M. M. Dubinin & I. E. Neimark

Authors
  1. G. B. Budkevich
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  2. I. B. Slinyakova
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  3. E. F. Polystyanov
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  4. M. M. Dubinin
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  5. I. E. Neimark
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 467–474, March, 1968.

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Budkevich, G.B., Slinyakova, I.B., Polystyanov, E.F. et al. Synthesis and investigation of xerogels of polysiloxane hydride with various porous structures. Russ Chem Bull 17, 458–464 (1968). https://doi.org/10.1007/BF00911591

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  • DOI: https://doi.org/10.1007/BF00911591

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