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Reactions of the dimethylcyclosiloxanes in gas-phase catalytic processes. 1. Rupture of the si-c bonds of octamethylcyclotetrasiloxane by hydrogen chloride

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Pulsed gas chromatography has been used to study the catalytic rupture of the Si-C bonds in octamethylcyclotetrasiloxane (¯D4) under the action of gaseous hydrogen chloride.

  2. 2.

    Reaction orders with respect to ¯D4 and HCl have been determined for the rupture process. A mechanism has been proposed on the assumption that the adsorbed ¯D4 interacts directly with HCl from the gaseous phase.

  3. 3.

    Determination has been made of the activity of methanol hydrochlorination catalysts in Si-C bond rupture in the ¯D4 cyclosiloxane.

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Authors
  1. M. A. Ezerets
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  2. I. I. Khazanov
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  3. N. T. Vetrova
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  4. K. A. Andrianov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2707–2711, December, 1977.

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Ezerets, M.A., Khazanov, I.I., Vetrova, N.T. et al. Reactions of the dimethylcyclosiloxanes in gas-phase catalytic processes. 1. Rupture of the si-c bonds of octamethylcyclotetrasiloxane by hydrogen chloride. Russ Chem Bull 26, 2502–2506 (1977). https://doi.org/10.1007/BF00924552

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  • DOI: https://doi.org/10.1007/BF00924552

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