Research of the physicochemical and mechanical properties of composite materials based on lignosulfonates

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Resumo

The increasing pace of construction in Russia and increasing environmental requirements for building materials lead to the need to search for new solutions for the creation of unique materials and the involvement of additional resources. The analysis of scientific and technical literature and laboratory studies have shown that lignosulfonates can be one of the promising sources of raw materials for the production of composite building materials. In this regard, the work investigated and substantiated a method for producing composite materials based on lignosulfonates. It was found that in the obtained compositions, lignosulfonates act as both a hardener and a dispersed filler. Thermogravimetry proved that the obtained compositions are thermally stable. The results of the study of the physicochemical and mechanical properties of the obtained samples showed that lignoepoxy composite materials can be an alternative replacement for known industrial analogues.

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Sobre autores

A. Zhulanova

Perm National Research Polytechnic University

Autor responsável pela correspondência
Email: 79194776224@yandex.ru

Candidate of Sciences (Engineering) 

Rússia, 614990, Perm, Komsomolsky Prospekt, 29

I. Glushankova

Perm National Research Polytechnic University

Email: irina_chem@mail.ru

Doctor of Sciences (Engineering) 

Rússia, 614990, Perm, Komsomolsky Prospekt, 29

Bibliografia

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  12. Isikgor Furkan H., Becer C. Remzi. Lignocellulosic biomass: a sustainable platform for the production of bio-based chemicals and polymers. Polymer Chemistry. 2015. Vol. 6. Iss. 25, pp. 4497–4559. EDN: SNDKZE. https://doi.org/10.1039/c5py00263j
  13. Hong Pan, Gang Sun, Tao Zhao. Synthesis and characterization of aminated lignin. International Journal of Biological Macromolecules. 2013. Vol. 59, pp. 221–226. https://doi.org/10.1016/j.ijbiomac.2013.04.049
  14. Zhulanova A.E. Use of lignin-containing waste from the pulp and paper industry to produce lignoepoxy composite materials. Ekologiya i Promyshlennost’ Rossii. 2023. Vol. 27. No. 3, pp. 18–23. (In Russian). EDN: LSONUW. https://doi.org/10.18412/1816-0395-2023-3-18-23
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2. Fig. 1. DSC and TG curves for thermal destruction of epoxy resins cured with PEPA

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3. Fig. 2. DSC and TG curves for thermal destruction of epoxy resin cured in the presence of PLS

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4. Fig. 3. Possible mechanism of polymerization of epoxy resin by lignosulfonate

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5. Fig. 4. Water absorption index of the obtained LECs in comparison with the industrial sample of chipboard

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6. Fig. 5. Bending strength of the obtained LECs in comparison with the industrial sample of chipboard

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