Nanocomposites Based on Polyamide and Montmorillonite Obtained from a Solution

Krasinskyi, Volodymyr; Suberlyak, Oleh; Кочубей, В. В.; Jachowicz, Tomasz; Dulebová, Ľudmila; Zemke, Viktoria

doi:10.12913/22998624/122297

Cited by 6 publications

(4 citation statements)

References 13 publications

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“…Природні та активовані бентонітові глини широко застосовують у природоохоронних цілях під час створення геохімічних бар'єрів, щоб запобігти міграції радіонуклідів та інших токсичних речовин [5]. Збагачені монтморилонітом бентонітові глини слугують для створення сучасних нанокомпозиційних полімерних матеріалів [6]. Модифікуванням бентонітових глин органічними сполуками отримують ефективні органо-мінеральні сорбенти, які широко використовують для вилучення іонів важких металів зі стічних вод [7].…”

Section: вступunclassified

Physical and Chemical Studies of Montmorillonite-Enriched Clay From the Outskirts of Khmelnytskyi

Кочубей¹,

Yaremchuk²,

Yaholnyk³

et al. 2022

CTAS

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The X-ray diffraction and complex thermal analysis show that the fraction of clay with the particle size ≤ 0.5×10–6 m from the Khmelnytskyi region is represented by the Ca–Mg-form of ferric-type montmorillonite. The mineral’s interlayer spacings are partially intercalated with natural organic matter. Based on the results of the photocolorimetry studies of the methylene blue dye sorption, the montmorillonite exchange capacity was defined and confirmed by thermogravimetric data. In terms of the dominant mineral’s ability to form organo-mineral complexes, it is recommended that studied clay be used for the environmental purposes as an engineering method of landfill protection against leachate by installing imprevious screens on these landfills.

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Section: вступunclassified

Physical and Chemical Studies of Montmorillonite-Enriched Clay From the Outskirts of Khmelnytskyi

Кочубей¹,

Yaremchuk²,

Yaholnyk³

et al. 2022

CTAS

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“…Currently, the use of filler derived from natural materials such as bentonite is being developed because it has a high aspect ratio, plate morphology and is inert (not sensitive to other components), has a large surface area, the material is abundant in nature, and its processing does not require a lot of money and can increase the homogeneity of nanocomposite products. The addition of filler on the nanofiller scale to nanocomposite products aims to overcome resistance to degradation by ultraviolet light, temperature, and humidity, as well as to improve the properties of tensile strength, stiffness, and fire resistance (Sukeksi et al, 2021) (Krasinskyi et al, 2020) (Fisli et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Modification and Characterization of Polyamide Nanocomposites with Organobentonite Cetyltrimethylammonium Bromide

Aritonang,

Ritonga,

Harefa

2023

AJNS

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Modification of bentonite with Cetyl Trimethyl Ammonium Bromide (CTAB) has been successfully carried out, resulting in the application of organobentonite as a filler. The purpose of this study was to determine the characteristics of the polyamide nanocomposite material before and after the addition of organobentonite filler. Commercial bentonite after being modified with CTAB is organophilic with a particle size of 9.55 nm. The results of the Fourier Transform Infra Red spectrum analysis show that there is a wide and sharp absorption band at wave number 3749.6 cm-1 which indicates the presence of Al-OH groups. The results of Scanning Electron Microscopy analysis of the surface morphology of the polyamide/organobentonite nanocomposite obtained a homogeneous and compatible mixture. The conclusion from the CTAB research results can unite polyamide and bentonite which have different polarities

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“…20,21 Now, bentonites can be used from a new perspective -as a cheap natural material for the production of catalysts and the creation of modern nanocomposite polymeric materials. 22 The properties of bentonites depend largely on the content of montmorillonite within such bentonites and on the nature of a cation exchange complex (CEC) of montmorillonite. Geological conditions of sedimentation and formation of the clayey rock define the crystallochemical properties of montmorillonite.…”

Section: Introductionmentioning

confidence: 99%

Perspectives of Treatment of Water Environments from Pollutants with Ultrasound-Activated Bentonites

Kochubei,

Yaremchuk,

Malovanyy

et al. 2023

ChChT

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The paper analyzes the perspectives for natural sorbents to be used in environmental technologies. The object of the study is the clay rock from the left side of the upper Pivdennyi Bug river (in the vicinity of the Khmelnytskyi city). The rock was enriched in montmorillonite by centrifugation of a clay suspension to obtain the fraction with a size of less than 5∙10-6 m. The researchers defined the mineral composition of the enriched clay based on the findings of the X-ray diffraction and complex thermal analyses. The enriched clay was chemically activated with a 5% NaCl aqueous solution and physically activated with the action of ultrasound. Based on the results of the X-ray diffraction analysis, the cation exchange capacity (CEC) of enriched clays, both natural and activated by ultrasound, was found against the methylene blue (MB) dye. The findings of the X-ray diffraction and analysis supported the ability of the dye cations to be absorbed by the interlayer spacings of montmorillonite.

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Nanocomposites Based on Polyamide and Montmorillonite Obtained from a Solution

Cited by 6 publications

References 13 publications

Physical and Chemical Studies of Montmorillonite-Enriched Clay From the Outskirts of Khmelnytskyi

Physical and Chemical Studies of Montmorillonite-Enriched Clay From the Outskirts of Khmelnytskyi

Modification and Characterization of Polyamide Nanocomposites with Organobentonite Cetyltrimethylammonium Bromide

Perspectives of Treatment of Water Environments from Pollutants with Ultrasound-Activated Bentonites

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