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15 results on '"Anokhina, Tatyana S."'

7. Morphological Analysis of Poly(4,4′-oxydiphenylene-pyromellitimide)-Based Organic Solvent Nanofiltration Membranes Formed by the Solution Method

Author

Sukhanova, Tatyana E., primary, Didenko, Andrey L., additional, Borisov, Ilya L., additional, Anokhina, Tatyana S., additional, Ivanov, Aleksey G., additional, Nesterova, Anna S., additional, Kobykhno, Ilya A., additional, Yushkin, Alexey A., additional, Kudryavtsev, Vladimir V., additional, and Volkov, Alexey V., additional

Published
2022
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10. Structure, Morphology, and Permeability of Cellulose Films

Author

Makarov, Igor S., primary, Golova, Lyudmila K., additional, Bondarenko, Galina N., additional, Anokhina, Tatyana S., additional, Dmitrieva, Evgenia S., additional, Levin, Ivan S., additional, Makhatova, Valentina E., additional, Galimova, Nazym Zh., additional, and Shambilova, Gulbarshin K., additional

Published
2022
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15. Fabrication of microfiltration membranes from polyisobutylene/polymethylpentene blends.

Author

Ignatenko, Viktoria Y, Anokhina, Tatyana S, Ilyin, Sergey O, Kostyuk, Anna V, Bakhtin, Danila S, Antonov, Sergey V, and Volkov, Alexey V

Subjects
MICROFILTRATION, MEMBRANE separation, POLYMER blends, SOLVENT extraction, THREE-dimensional printing, MEMBRANE permeability (Biology), MIXING
Abstract

An approach for fabrication of microfiltration membranes by solvent extraction of one of the immiscible components from a polymer blend was developed. Poly(4‐methyl‐1‐pentene) (PMP) was the membrane material, and poly(isobutylene) (PIB) was the extractable component. The PIB content varied in the wide range 0–45 wt%, and all blends could be melted and processed at a temperature of 240 °C. A rheological study demonstrated a pronounced non‐Newtonian behavior of PMP/PIB blends and their very low viscosity due to interlayer slip. With a PMP content of 55 and 60 wt%, it was possible to fabricate microfiltration membranes with a water permeability of 31 and 3.7 m3 m−2 h–1 bar–1, respectively. The microfiltration membranes based on both compositions demonstrated good rejection performance at the level of 93%–98% for submicron particles of phthalocyanine dye with a size of 240 nm. These results indicate that the PMP/PIB system can be utilized for fabrication of filtration membranes by means of 3D printing followed by solvent extraction. © 2019 Society of Chemical Industry [ABSTRACT FROM AUTHOR]

Published
2020
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