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  1. No Access

    Article

    Use of Fluoroperoxides Derived from Polyfluorinated Di- and Tetracarbonyl Compounds for Vulcanization of Fluoroelastomers

    The possibility of using fluoroperoxides derived from polyfluorinated di- and tetracarbonyl compounds as vulcanizing agents for SKF-32 and SKF-260 fluororubbers was examined. The vulcanizates obtained are char...

    V. V. Chapurkin, M. A. Vaniev, S. V. Chapurkin… in Russian Journal of Applied Chemistry (2022)

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    Article

    Synthesis of Peroxides Based on Polyfluorated Polycarbonyl Compounds

    The reactions of polyfluorinated di- and tetracarbonyl compounds with tert-butyl hydroperoxide proceeds at one or several carbonyl groups, depending on the ketone structure. The resulting peroxides are of interes...

    V. V. Chapurkin, A. I. Rakhimov, M. A. Vaniev… in Russian Journal of General Chemistry (2020)

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    Article

    Vulcanization of fluoroelastomers using fluorine peroxides

    Fluorinated peroxide compounds are used as effective curing and modifying for commercial fluoroelastomers. It is shown that the use of fluorinated peroxide derivatives of poly- and perfluorocaronyl compounds a...

    V. V. Chapurkin, V. P. Medvedev, S. V. Chapurkin in Russian Journal of Applied Chemistry (2015)

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    Article

    Investigation of multiphoton-excited molecules by the method of Raman scattering spectroscopy at an overtone and compound vibrational frequencies

    The multiphoton-excited CF3Br molecules are investigated by the method of Raman light scattering spectroscopy at frequencies of overtones and compound vibrations. It is demonstrated that highly nonequilibrium ene...

    Yu. S. Doljikov, V. V. Chapurkin, S. V. Chapurkin in Russian Physics Journal (2012)

  5. No Access

    Article

    Dynamics of molecules excited by infrared laser radiation

    The CF2HCl and CF2Cl2 molecules upon multiphoton excitation are investigated by the method of Raman light scattering spectroscopy at frequencies of fundamental transitions. It is demonstrated that essentially non...

    Yu. S. Doljikov, V. V. Chapurkin, S. V. Chapurkin in Russian Physics Journal (2011)

  6. No Access

    Article

    Features of claisen condensation of dimethyl perfluorododecanedicarboxylate

    V. V. Chapurkin, A. I. Rakhimov, S. V. Chapurkin in Russian Journal of General Chemistry (2011)

  7. No Access

    Article

    Synthesis and features of thermolysis of fluorine-containing aromatic 1-hydroxy-1-hydroperoxides and 1,1′-dihydroperoxides

    Aromatic fluorine-containing 1-hydroxy-1-hydroperoxides and 1,1′-dihydroxyperoxides were obtained and their thermolysis features were studied. The fluorine atoms incorporation into the aromatic ring of 1-hydro...

    V. V. Chapurkin, A. I. Rakhimov, S. V. Chapurkin in Russian Journal of General Chemistry (2009)

  8. No Access

    Article

    Reaction of Perfluorocarbonyl Chlorides with Ethyl- and Phenylmagnesium Bromides

    The structure of the products formed by the reactions of perfluoroadipoyl and perfluorocyclo-hexanedicarbonyl difluorides with ethyl- and phenylmagnesium bromides depends on the nature of the radical in the or...

    V. V. Chapurkin, A. O. Litinskii, O. S. Leont’eva… in Russian Journal of General Chemistry (2005)