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Heat-Resistant Electrical-Insulating Varnish Compositions Based on Cyanurethanes for the Electrical Industry

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Abstract

The dielectric and technological properties of cyanurethane varnish compositions based on isocyanate-containing prepolymers and dicyandiamide for the electrical industry are studied. It is established that the introduction of dicyandiamide improves the dielectric, thermal, and operational properties of the modified compositions. The physicomechanical, physicochemical, dielectric, as well as adhesive-strength properties, of cyanurethane varnish compositions based on isocyanate-containing prepolymers and dicyandiamide are investigated.

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REFERENCES

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  2. Ushanev, A.I., Kravchenko, A.M., Borisov, G.A., Murog, I.A., and Latyshenok, M.B., Modern technologies and materials for protecting metallic and nonmetallic surfaces of agricultural equipment, Vestn. Ryazan. Gos. Agrotekhnol. Univ. Kostycheva, 2019, no. 3, pp. 142–147.

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Authors and Affiliations

  1. Chuvash State University, 428000, Cheboksary, Republic of Chuvashia, Russia

    L. G. Rogozhina, M. V. Kuzmin, V. L. Semenov & R. I. Aleksandrov

Authors
  1. L. G. Rogozhina
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  2. M. V. Kuzmin
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  3. V. L. Semenov
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  4. R. I. Aleksandrov
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Corresponding author

Correspondence to L. G. Rogozhina.

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The authors declare that they have no conflicts of interest.

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Translated by A. Kolemesin

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Rogozhina, L.G., Kuzmin, M.V., Semenov, V.L. et al. Heat-Resistant Electrical-Insulating Varnish Compositions Based on Cyanurethanes for the Electrical Industry. Russ. Electr. Engin. 93, 539–543 (2022). https://doi.org/10.3103/S1068371222080089

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  • DOI: https://doi.org/10.3103/S1068371222080089

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