Geodesic
Nanocomposites of aromatic poly(amide-imide) with nanotubular Mg--Fe hydrosilicate
Nanosistemy: fizika, himiâ, matematika, Tome 15 (2024) no. 2, pp. 268-284.

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Composite films based on aromatic polyamide imide with carboxyl-containing fragments in repeating units (PAI-Ac) containing hydrosilicate nanotubes (Mg,Fe)$_3$Si$_2$O$_5$(OH)$_4$ are structurally sensitive to the molecular weight of the polymer used. According to Mössbauer spectroscopy data, nanotubes introduced into a polymer matrix generally retain their original structure. When using a polymer with a relatively low molecular weight, composite films are formed that are not stable during the pervaporation of cyclohexane and ethanol. In the case of a high-molecular polymer, the resulting MMM-type membranes are stable during pervaporation. They are more permeable to polar liquids compared to the base polymer and MMMs containing Mg$_3$Si$_2$O$_5$(OH)$_4$ nanotubes. Analysis of the found differences in the properties of the studied nanocomposites with iron-containing nanotubes in the PAI-Ac matrix from similar nanocomposites with magnesium-containing nanotubes leads to the conclusion about the need to study MMMs with iron-containing nanoparticles of a different structure.
Keywords: pervaporation, liquid separation, synthesis, hydrosilicate nanotubes, Mössbauer spectroscopy, morphology, composite materials, mixed matrix membranes (MMM), electron microscopy, atomic force microscopy.
Mots-clés : poly(amide-imide) 
@article{NANO_2024_15_2_a13,
     author = {Svetlana V. Kononova and Galina K. Lebedeva and Valery S. Kozlov and Eleonora N. Korytkova and Tatyana P. Maslennikova and Elena V. Kruchinina and Elena N. Vlasova and Natalia N. Saprykina and Galina N. Gubanova and Milana E. Vylegzhanina and Vasiliy T. Lebedev},
     title = {Nanocomposites of aromatic poly(amide-imide) with nanotubular {Mg--Fe} hydrosilicate},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {268--284},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2024_15_2_a13/}
}
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AU  - Tatyana P. Maslennikova
AU  - Elena V. Kruchinina
AU  - Elena N. Vlasova
AU  - Natalia N. Saprykina
AU  - Galina N. Gubanova
AU  - Milana E. Vylegzhanina
AU  - Vasiliy T. Lebedev
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%0 Journal Article
%A Svetlana V. Kononova
%A Galina K. Lebedeva
%A Valery S. Kozlov
%A Eleonora N. Korytkova
%A Tatyana P. Maslennikova
%A Elena V. Kruchinina
%A Elena N. Vlasova
%A Natalia N. Saprykina
%A Galina N. Gubanova
%A Milana E. Vylegzhanina
%A Vasiliy T. Lebedev
%T Nanocomposites of aromatic poly(amide-imide) with nanotubular Mg--Fe hydrosilicate
%J Nanosistemy: fizika, himiâ, matematika
%D 2024
%P 268-284
%V 15
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NANO_2024_15_2_a13/
%G en
%F NANO_2024_15_2_a13
Svetlana V. Kononova; Galina K. Lebedeva; Valery S. Kozlov; Eleonora N. Korytkova; Tatyana P. Maslennikova; Elena V. Kruchinina; Elena N. Vlasova; Natalia N. Saprykina; Galina N. Gubanova; Milana E. Vylegzhanina; Vasiliy T. Lebedev. Nanocomposites of aromatic poly(amide-imide) with nanotubular Mg--Fe hydrosilicate. Nanosistemy: fizika, himiâ, matematika, Tome 15 (2024) no. 2, pp. 268-284. http://geodesic.mathdoc.fr/item/NANO_2024_15_2_a13/