Abstract
Pyrolysis of hexamethyldisiloxane (HMDS) and its copyrolysis with chlorotrimethylsilane and tetrachlorosilane were studied. Based on the data of GLC analysis and on the mass spectrum of the condensate obtained after the pyrolysis of HMDS, it was concluded that HMDS acts as a source of dimethylsilanone. The results of the copyrolysis of HMDS with chlorotrimethylsilane used as a trapping reagent indicate that the dimethylsilanone generated from HMDS can be inserted into the Si−Cl and Si−O bonds. In the copyrolysis of HMDS with tetrachlorosilane serving as a trapping reagent for dimethylsilanone, both dimethylsilanone and dichlorosilanone are generated.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1663–1666, September, 1997.
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Chernyshev, E.A., Krasnova, T.L., Sergeev, A.P. et al. Siloxanes as sources of silanones. Russ Chem Bull 46, 1586–1589 (1997). https://doi.org/10.1007/BF02502945
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DOI: https://doi.org/10.1007/BF02502945