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Cleavage of the siloxane bond in poly(dialkylsiloxanes) by alkyl orthotitanates

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

Conclusions

Linear polydialkylsiloxanes undergo cleavage upon heating with alkyl orthotitanates containing primary and secondary alkyl radicals, and the reactions are independent of the structure of radicals attached to the Si atoms, molecular weight, and the nature of the end groups. The factor which seems to determine the reactivity of polydialkysiloxanes with respect to cleavage at room temperature is the presence of CH end groups. The rate and degree of conversion in these reactions is decreased by increasing steric hindrance at the Si or Ti atoms.

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Authors and Affiliations

  1. Institute of Chemistry, Ural Scientific Center, Academy of Sciences of the USSR, Sverdlovsk

    L. I. Fridman, A. L. Suvorov, E. A. Khrustaleva, M. I. Kodess & V. I. Abramova

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  1. L. I. Fridman
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  2. A. L. Suvorov
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  3. E. A. Khrustaleva
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  4. M. I. Kodess
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  5. V. I. Abramova
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 886–890, April, 1987.

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Fridman, L.I., Suvorov, A.L., Khrustaleva, E.A. et al. Cleavage of the siloxane bond in poly(dialkylsiloxanes) by alkyl orthotitanates. Russ Chem Bull 36, 813–816 (1987). https://doi.org/10.1007/BF00962328

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  • DOI: https://doi.org/10.1007/BF00962328

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