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Modification of polycaproamide composites based on 1H,1H,13H-rihydroperfluorotridecan-1-ol and montmorillonite / S. V. Kudashev, A. A. Kondrasenko, A. N. Maiulev [et al.] // Fibre Chem. - 2022. - Vol. 53, Is. 5. - P. 291-295, DOI 10.1007/s10692-022-10287-5. - Cited References: 24 . - ISSN 0015-0541
Кл.слова (ненормированные):
Decomposition -- Nuclear magnetic resonance spectroscopy -- Macromolecular chain -- Macroradicals -- NMR-spectroscopy -- Organoclays -- Paramagnetic centers -- Polycaproamides -- Polymer composite -- Possible mechanisms -- Stabilizing effects -- X ray structure analysis -- Clay minerals
Аннотация: Modification of polycaproamide by 1H,1H,13H-trihydroperfluorotridecan-1-ol immobilized on montmorillonite produced an F-containing polymer composite. The structure of the resulting composite was investigated using x-ray structure analysis and solid-state 19F NMR spectroscopy. The polymorphous composition of this heterochain polymer was shown to reorganize to enhance its thermal stability and diminish its flammability. Possible mechanisms for the stabilizing effect of the used modifier that were related to the involvement of organo-clay paramagnetic centers in the binding of macroradicals formed during thermal decomposition of macromolecular chains were discussed.

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Держатели документа:
Volgograd State Technical University, Volgograd, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Sebryakovskii Filial, Volgograd State Technical University, Volgograd Region, Mikhailovka, Russian Federation
L. V. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
I. M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation

Доп.точки доступа:
Kudashev, S. V.; Kondrasenko, A. A.; Кондрасенко, Александр Александрович; Maiulev, A. N.; Мацулев, Александр Николаевич; Babkin, V. A.; Belousova, V. S.; Andreev, D. S.; Zheltobryukhov, V. F.; Kuznetsova, N. V.
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Study of the effect of modified montmorillonite as a filler on the properties of composite granules based on polycaprolactone / N. L. Ertiletskaya, A. A. Sukhanova, A. N. Boyandin [et al.] // Tech. Phys. Lett. - 2022. - Vol. 48, Is. 3. - P. 59-61, DOI 10.21883/TPL.2022.03.53527.19055. - Cited References: 10. - This research was funded by the grant ”Ecological products with prolonged release of biologically active substances for potato nematode control“ MK-4374.2021.5 No. 075-15-2021-059 dated 16.04.2021 . - ISSN 1063-7850. - ISSN 1090-6533
Кл.слова (ненормированные):
polycaprolactone -- montmorillonite -- composites -- crystallinity -- melting point
Аннотация: The paper presents the results of a study of the effects of the "Monament-101" filler and the method of obtaining on the properties of composite granules based on polycaprolactone (PCL). DSC and X-ray diffraction analysis showed an increase in the degree of crystallinity from 52 to 67% and a slight decrease in the melting point (by 2°C) as the clay was introduced into the polymer.

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Публикация на русском языке Исследование влияния модифицированного монтмориллонита, используемого в качестве наполнителя, на свойства композитных гранул из поликапролактона [Текст] / Н. Л. Ертилецкая, А. А. Суханова, А. Н. Бояндин [и др.] // Письма в Журн. технич. физ. - 2022. - Т. 48 Вып. 6. - С. 28-31

Держатели документа:
Siberian State University of Science and Technology, Krasnoyarsk, Russia
Krasnoyarsk State Agrarian University, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia
Siberian State University of Science and Technology, Krasnoyarsk, Russia

Доп.точки доступа:
Ertiletskaya, N. L.; Sukhanova, A. A.; Boyandin, A. N.; Shalygina, T. A.; Kozyr, O. A.; Vasiliev, A. D.; Васильев, Александр Дмитриевич
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Composite polymer granules based on poly-ε-caprolactone and montmorillonite prepared by solution-casting and melt extrusion / A. Sukhanova, A. Boyandin, N. Ertiletskaya [et al.] // Polymers. - 2023. - Vol. 15, Is. 20. - Ст. 4099, DOI 10.3390/polym15204099. - Cited References: 45. - This research was supported by a grant from the Russian Science Foundation, project No. 23-16-00184 . - ISSN 2073-4360
Кл.слова (ненормированные):
biodegradable polymers -- poly-ε-caprolactone -- montmorillonite -- polymer composites -- processing technologies
Аннотация: Eco-friendly polymer composites in the form of granules based on biodegradable polycaprolactone (PCL) with the inclusion of montmorillonite (MMT) from 5 to 50 wt% were prepared by solution-casting and melt extrusion. The physicochemical properties of the composite granules were studied using FTIR spectroscopy, XRDA, DSC, and TGA methods. The paper presents comparative values of crystallinity of composite granules which depend on the method of measuring (XRDA, DSC). It was shown that the crystallinity of PCL/MMT granules was affected by the preparation method and by the MMT content, and that with increase in MMT content, crystallinity increased by up to 61–67%. The change in crystallinity of the granules also affected its biodegradation in soil. At the end of exposure in soil, the mass loss for the granules prepared by solution-casting was more than 90%, whereas for the composite granules prepared by extrusion it was less than 60%. Applying melt extrusion enabled obtaining intercalated composites with predictable features, whereas only mixed-structure microcomposites could be prepared by solution-casting.

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Держатели документа:
Department of Biodegradable Polymers Materials, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarskiy Rabochiy Av., Krasnoyarsk 660037, Russia
Department of Analysis, Synthesis, Modeling and Digital Design of Smart Materials with Specified Properties, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarskiy Rabochiy Av., Krasnoyarsk 660037, Russia
Department of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/38 Akademgorodok, Krasnoyarsk 660036, Russia
Department Engineering Physics and Radio Electronics, Siberian Federal University, 79 Svobodny Av., Krasnoyarsk 660041, Russia
Department of Digital Design of Transformable Structures based on Smart Materials, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarskiy Rabochiy Av., Krasnoyarsk 660037, Russia
Department of Scientific Activities, Science and Technology, Siberian Federal University, 79 Svobodny Av., Krasnoyarsk 660041, Russia
Department of Intelligent Materials and Systems, Reshetnev Siberian State University of Science and Technology, 31 Krasnoyarskiy Rabochiy Av., Krasnoyarsk 660037, Russia

Доп.точки доступа:
Sukhanova, Anna; Boyandin, Anatoly; Ertiletskaya, Natalya; Shalygina, Taisia; Shabanov, A. V.; Шабанов, Александр Васильевич; Vasiliev, Alexander; Obvertkin, Ivan; Brott, Valeria; Prokopchuk, Yulia; Samoilo, Alexander
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