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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kudashev S. V., Kondrasenko A. A., Maiulev A. N., Babkin V. A., Belousova V. S., Andreev D. S., Zheltobryukhov V. F., Kuznetsova N. V.
Заглавие : Modification of polycaproamide composites based on 1H,1H,13H-rihydroperfluorotridecan-1-ol and montmorillonite
Место публикации : Fibre Chem. - 2022. - Vol. 53, Is. 5. - P.291-295. - ISSN 00150541 (ISSN), DOI 10.1007/s10692-022-10287-5
Примечания : Cited References: 24
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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ertiletskaya N. L., Sukhanova A. A., Boyandin A. N., Shalygina T. A., Kozyr O. A., Vasiliev A. D.
Заглавие : Study of the effect of modified montmorillonite as a filler on the properties of composite granules based on polycaprolactone
Место публикации : Tech. Phys. Lett. - 2022. - Vol. 48, Is. 3. - P.59-61. - ISSN 10637850 (ISSN), DOI 10.21883/TPL.2022.03.53527.19055. - ISSN 10906533 (eISSN)
Примечания : 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
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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Вид документа : Статья из журнала
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Автор(ы) : Sukhanova, Anna, Boyandin, Anatoly, Ertiletskaya, Natalya, Shalygina, Taisia, Shabanov A. V., Vasiliev, Alexander, Obvertkin, Ivan, Brott, Valeria, Prokopchuk, Yulia, Samoilo, Alexander
Заглавие : Composite polymer granules based on poly-ε-caprolactone and montmorillonite prepared by solution-casting and melt extrusion
Колич.характеристики :20 с
Место публикации : Polymers. - 2023. - Vol. 15, Is. 20. - Ст.4099. - ISSN 20734360 (eISSN), DOI 10.3390/polym15204099
Примечания : Cited References: 45. - This research was supported by a grant from the Russian Science Foundation, project No. 23-16-00184
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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