Preparation and regulation of structural-mechanical properties of biodegradable films based on starch and agar

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.213226

Keywords:

biodegradable films, starch, agar, structure formation, mechanical properties, puncture resistance

Abstract

The problem of recycling polymer waste is one of the most actual problems. One way to solve this problem is to create biodegradable food packaging. By mixing solutions of starch and agar at different mass ratios of polymers in the presence of glycerol, biodegradable films are obtained. Their structural and mechanical characteristics are determined. It is shown that the values of strength, modulus of elasticity and puncture resistance of films are maximal at the mass ratio of agar/starch 7-9. A comparison of the roughness of the films obtained from starch, agar and their mixture showed that the greatest roughness is possessed by films based on starch. The introduction of agar into the films of starch leads to a significant reduction in their roughness.

To regulate the structural and mechanical properties of films, it is proposed to use Cа and Mg salts. The influence of Ca2+ and Mg2+ ions on the strength and deformation characteristics of biofilms was studied. It is shown that Ca2+ ions monotonically increase the strength characteristics of starch-agar films, while the curves of changes in these parameters in the presence of Mg2+ ions have maxima at a concentration of 0.5 %. The difference in the effect of Ca2+ and Mg2+ ions on the structural and mechanical properties of films is explained by the hydration degree of these ions.

The biodegradability of starch-agar films was controlled by changing their IR spectra. The most significant changes are observed in the intensity and localization of peaks corresponding to O-H, C-H and C-C bonds, which can be evidence of changes in the structure of films due to the destruction of the grid of hydrogen bonds and hydrophobic interactions, as well as the break of hydrocarbon chains and the destruction of the skeleton of carbohydrate molecules.

Supporting Agencies

  • This work was supported by the Ministry of Education and Science of the Republic of Kazakhstan
  • Project No АР05132126.

Author Biographies

Sagdat Tazhibayeva, Al-Farabi Kazakh National University Al-Farabi ave., 71, Almaty, Kazakhstan, 050040

Doctor of Chemical Sciences, Professor

Department of Analytical, Colloid Chemistry and Technology of Rare Elements

Bakyt Tyussyupova, Al-Farabi Kazakh National University Al-Farabi ave., 71, Almaty, Kazakhstan, 050040

PhD, Associate Professor

Department of Analytical, Colloid Chemistry and Technology of Rare Elements

Aigerim Yermagambetova, Al-Farabi Kazakh National University Al-Farabi ave., 71, Almaty, Kazakhstan, 050040

PhD Student

Department of Analytical, Colloid Chemistry and Technology of Rare Elements

Azymbek Kokanbayev, Al-Farabi Kazakh National University Al-Farabi ave., 71, Almaty, Kazakhstan, 050040

PhD, Professor

Department of Analytical, Colloid Chemistry and Technology of Rare Elements

Kuanyshbek Musabekov, Al-Farabi Kazakh National University Al-Farabi ave., 71, Almaty, Kazakhstan, 050040

Doctor of Chemical Sciences, Professor

Department of Analytical, Colloid Chemistry and Technology of Rare Elements

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Food Chemistry, 194, 1266–1274. doi: https://doi.org/10.1016/j.foodchem.2015.09.004Wu, Y., Luo, X., Li, W., Song, R., Li, J., Li, Y. et. al. (2016). Green and biodegradable composite films with novel antimicrobial performance based on cellulose. Food Chemistry, 197, 250–256. doi: https://doi.org/10.1016/j.foodchem.2015.10.127Min, T., Zhu, Z., Sun, X., Yuan, Z., Zha, J., Wen, Y. (2020). Highly efficient antifogging and antibacterial food packaging film fabricated by novel quaternary ammonium chitosan composite. Food Chemistry, 308, 125682. doi: https://doi.org/10.1016/j.foodchem.2019.125682Kanmani, P., Rhim, J.-W. (2014). Physicochemical properties of gelatin/silver nanoparticle antimicrobial composite films. Food Chemistry, 148, 162–169. doi: https://doi.org/10.1016/j.foodchem.2013.10.047Ghasemlou, M., Khodaiyan, F., Oromiehie, A., Yarmand, M. S. (2011). Development and characterisation of a new biodegradable edible film made from kefiran, an exopolysaccharide obtained from kefir grains. Food Chemistry, 127 (4), 1496–1502. doi: https://doi.org/10.1016/j.foodchem.2011.02.003Razavi, S. M. A., Mohammad Amini, A., Zahedi, Y. (2015). Characterisation of a new biodegradable edible film based on sage seed gum: Influence of plasticiser type and concentration. Food Hydrocolloids, 43, 290–298. doi: https://doi.org/10.1016/j.foodhyd.2014.05.028Pellá, M. C. G., Silva, O. A., Pellá, M. G., Beneton, A. G., Caetano, J., Simões, M. R., Dragunski, D. C. (2020). Effect of gelatin and casein additions on starch edible biodegradable films for fruit surface coating. Food Chemistry, 309, 125764. doi: https://doi.org/10.1016/j.foodchem.2019.125764Fan, J., Cao, Y., Li, T., Li, J., Qian, X., Shen, J. (2015). Unmodified Starch Granules for Strengthening Mineral-Filled Cellulosic Fiber Networks Promoted by Starch Pretreatment with a Cationic Polymer Flocculant in Combination with the Use of an Anionic Microparticulate Material. ACS Sustainable Chemistry & Engineering, 3 (8), 1866–1872. doi: https://doi.org/10.1021/acssuschemeng.5b00469Gómez-Aldapa, C. A., Velazquez, G., Gutierrez, M. C., Rangel-Vargas, E., Castro-Rosas, J., Aguirre-Loredo, R. Y. (2020). Effect of polyvinyl alcohol on the physicochemical properties of biodegradable starch films. Materials Chemistry and Physics, 239, 122027. doi: https://doi.org/10.1016/j.matchemphys.2019.122027Ezeoha, S. L. (2013). Production of Biodegradable Plastic Packaging Film from Cassava Starch. IOSR Journal of Engineering, 3 (10), 14–20. doi: https://doi.org/10.9790/3021-031051420Shahabi-Ghahfarrokhi, I., Goudarzi, V., Babaei-Ghazvini, A. (2019). Production of starch based biopolymer by green photochemical reaction at different UV region as a food packaging material: Physicochemical characterization. International Journal of Biological Macromolecules, 122, 201–209. doi: https://doi.org/10.1016/j.ijbiomac.2018.10.154Avérous, L., Pollet, E. (2013). Macro-, Micro-, and Nanocomposites Based on Biodegradable Polymers. Handbook of Biopolymer-Based Materials, 173–210. doi: https://doi.org/10.1002/9783527652457.ch7Leach, S. J. (2012). Physical Principles and Techniques of Protein Chemistry Part C (Molecular biology; an international series of monographs and textbooks). Academic Press, 623.Imeson, A. (2009). Agar. Food Stabilisers, Thickeners and Gelling Agents, 31–49. doi: https://doi.org/10.1002/9781444314724.ch3Argüello-García, E., Solorza-Feria, J., Rendón-Villalobos, J. R., Rodríguez-González, F., Jiménez-Pérez, A., Flores-Huicochea, E. (2014). Properties of Edible Films Based on Oxidized Starch and Zein. International Journal of Polymer Science, 2014, 1–9. doi: https://doi.org/10.1155/2014/292404 Elgabarty, H., Kampfrath, T., Bonthuis, D. J., Balos, V., Kaliannan, N. K., Loche, P. et. al. (2020). Energy transfer within the hydrogen bonding network of water following resonant terahertz excitation. Science Advances, 6 (17), eaay7074. doi: https://doi.org/10.1126/sciadv.aay7074 Kralova, I., Sjöblom, J. (2009). Surfactants Used in Food Industry: A Review. Journal of Dispersion Science and Technology, 30 (9), 1363–1383. doi: https://doi.org/10.1080/01932690902735561Pasternak, K., Kocot, J., Horecka, A. (2010). Biochemistry of magnesium. Journal of Elementology, 15 (3), 601–616. doi: https://doi.org/10.5601/jelem.2010.15.3.601-616Moscovici, M. (2015). Present and future medical applications of microbial exopolysaccharides. Frontiers in Microbiology, 6. doi: https://doi.org/10.3389/fmicb.2015.01012

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Published

2020-10-31

How to Cite

Tazhibayeva, S., Tyussyupova, B., Yermagambetova, A., Kokanbayev, A., & Musabekov, K. (2020). Preparation and regulation of structural-mechanical properties of biodegradable films based on starch and agar. Eastern-European Journal of Enterprise Technologies, 5(6 (107), 40–48. https://doi.org/10.15587/1729-4061.2020.213226

Issue

Vol. 5 No. 6 (107) (2020): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2020 Sagdat Tazhibayeva, Bakyt Tyussyupova, Aigerim Yermagambetova, Azymbek Kokanbayev, Kuanyshbek Musabekov

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