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VK-98 Structural Film Glue

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Abstract

The properties of VK-98 epoxy film glue and its application for binding multilayer (honeycomb) structures (wing panels, wing mechanization elements, etc.) manufactured by molding jointly with coverings made of prepregs based on VSE-1212 binder are presented. The study of the kinetic parameters of the curing process of VK-98 glue and VSE-1212 binder showed that the gluing and molding processes of PCM items containing these materials can be performed by a single technological cycle. It was established by DSC that the pot life of VK-98 glue is no less than 15 days at room temperature. It was shown that glued joints of VKU‑39 carbon plastic based on VSE-1212 binder after the effect of both artificial tropical conditions and salt mist almost do not change their strength, while VK-98 glue can be used in the temperature range from ‒60 to +120°C and for a short period at 150°C.

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ACKNOWLEDGMENTS

This work was performed within the implementation of “Strategic Development Trends of Materials and Their Processing Technologies for the Period Until 2030” [1] regarding the development of the promising innovative notions “Light Structures” and “Promising Engine” within the Strategic Trend 15. “Nanostructured Amorphous Materials and Coatings”: Integrated Problem 15.1, “Multifunctional Gluing Systems.”

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Correspondence to A. I. Tkachuk.

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Translated by E. Petrova

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Tkachuk, A.I., Rubtsova, E.V., Gurevich, Y.M. et al. VK-98 Structural Film Glue. Polym. Sci. Ser. D 12, 29–34 (2019). https://doi.org/10.1134/S1995421219010210

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  • DOI: https://doi.org/10.1134/S1995421219010210

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