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полный	информационный	краткий

Поисковый запрос: (<.>K=polylactide<.>)

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Study of the effect of modified aluminum oxide nanofibers on the properties of PLA-based films / A. Sukhanova, A. Boyandin, N. Ertiletskaya [et al.] // Materials. - 2022. - Vol. 15, Is. 17. - Ст. 6097, DOI 10.3390/ma15176097. - Cited References: 37. - This research was carried out within the state assignment of the Ministry of Science and Higher Education of the Russian Federation for the implementation of the project “Development of multifunctional smart materials and structures based on modified polymer composite materials capable to function in extreme conditions” (project number FEFE-2020-0015) . - ISSN 1996-1944
Кл.слова (ненормированные):
aluminum oxide nanofibers -- percolation threshold -- polylactide -- film -- composite -- thermal and mechanical properties
Аннотация: To find out whether Al2O3 nanofiller is effective in improving the characteristics of polymer composites, composite polymer films based on biodegradable polylactide and epoxidized aluminum oxide nanofibers were obtained by solution casting. Surface morphology, mechanical and thermal properties of composites were studied by SEM, IR-Fourier spectroscopy, DSC and DMA. It was shown that, below and above the percolation threshold, the properties of the films differ significantly. The inclusion of alumina nanoparticles up to 0.2% leads to a plasticizing effect, a decrease in the crystallization temperature and the melting enthalpy and an increase in the tensile stress. An increase in the content of alumina nanoparticles in films above the percolation threshold (0.5%) leads to a decrease in the crystallinity of the films, an increase in stiffness and a drop in elasticity. Finding the percolation threshold of alumina nanoparticles in PLA films makes it possible to control their properties and create materials for various applications. The results of this study may have major significance for the commercial use of aluminum oxide nanofibers and can broaden the research field of composites.

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Держатели документа:
Scientific Laboratory “Smart Materials and Structures”, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarsky Rabochy Av, Krasnoyarsk, 660037, Russian Federation
Institute of Biophysics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Department of Molecular Electronics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
School of Engineering and Construction, Siberian Federal University, 82K Svobodnyi Av, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/38 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, 79 Svobodnyi Av, Krasnoyarsk, 660041, Russian Federation
Insitute of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Sukhanova, A.; Boyandin, A. N.; Ertiletskaya, N.; Simunin, M.; Shalygina, T.; Voronin, A.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Nemtsev, I.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Pyatina, S.
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