Results 261 to 270 of about 20,918 (303)

Sorption Properties of Thermally Expanded Graphite

Chemistry and Technology of Fuels and Oils, 2001
The powder was then heat treated at 1150 ‐ 1200 °C by blowing compressed nitrogen through a tubular electric furnace (quartz tube length of 80 cm, diameter of 2 cm) at a rate that ensured residence in the heat-treatment zone for 1.2 ‐ 1.3 sec. Important fluctuations in the temperature in the furnace were prevented by the small amounts of oxidized ...
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Synthesis and studies of properties of graphite oxide and thermally expanded graphite

Protection of Metals and Physical Chemistry of Surfaces, 2014
Graphite oxide is synthesized using various reaction parameters. Stagewise evaluation of graphite oxidation dynamics in the course of synthesis is carried out using the method of sample collection and thermogravimetric analysis. Thermally expanded graphite with high texture characteristics was obtained from graphite oxide.
A. G. Bannov, A. A. Timofeeva, V. V. Shinkarev, K. D. Dyukova, A. V. Ukhina, E. A. Maksimovskii, S. I. Yusin   +6 more
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Thermally Expanded Graphite: Sorption Properties and Carbon Nanoparticles Obtaining

2021
This paper presents the results of complex investigations of structural and physicochemical properties of thermally expanded graphite (TEG) based on graphite nitrate, cointercalated with formic and acetic acids. Consideration was given to possibility of obtaining of graphene nanoparticles by liquid phase exfoliation of the TEG. Adsorption properties of
A. A. Voitash, E. V. Raksha, A. A. Davydova, O. N. Oskolkova, Y. V. Berestneva, A. V. Muratov, A. B. Eresko, V. A. Glazunova, M. V. Savoskin, I. A. Verbenko, Y. I. Yurasov   +10 more
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Thermal performance of poly(ethylene disulfide)/expanded graphite nanocomposites

Journal of Thermal Analysis and Calorimetry, 2014
In this study, the influences of expanded graphite oxide (EG) nanosheets presence with and without surfactant on structural and thermal performance of poly(ethylene disulfide) (PEDS)-based nanocomposites are investigated. Sodium dodecylbenzenesulfonate (SDBS) is used as a surfactant for the preparation of modified-EG nanosheets.
Amir Hossein Haghighi, Milad Sheydaei, Ahmad Allahbakhsh, Marzieh Ghatarband, Fatemeh Sadat Hosseini   +4 more
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Colloidal-Graphite Suspension Based on Thermally Expanded Graphite

Russian Journal of Physical Chemistry B
Currently, modified oxidized (intercalated) graphites and thermally expanded graphites obtained from them are used in solving many applied problems. This is due to the fact that while retaining all the properties of layered graphite compounds, split graphite particles have important new properties, such as ease of molding, low bulk density, and active ...
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Triboengineering properties of polytetrafluoroethylene modified by thermally expanded graphite

Journal of Friction and Wear, 2008
The paper studies the effect of thermally expanded graphite upon the triboengineering, strain, and strength characteristics, as well as the thermodynamic and structural parameters of polytetrafluoroethylene as dependent on its concentration. Introduction of graphite filler was found to lead to improvement of compressive strength, elasticity modulus ...
T. S. Struchkova, A. A. Okhlopkova, S. A. Sleptsova   +2 more
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Thermally expanded graphite: Synthesis, properties, and prospects for use

Russian Journal of Applied Chemistry, 2006
Results obtained in synthesis of thermally expanded graphite by chemical and electrochemical methods with sulfuric and nitric acids are summarized. The possibility of controlling the properties of thermally expanded graphite compounds in electrochemical synthesis is demonstrated.
A. V. Yakovlev, A. I. Finaenov, S. L. Zabud’kov, E. V. Yakovleva   +3 more
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Adsorption characteristics of nanographite oxide obtained from thermally expanded graphite

Mendeleev Communications, 2020
Nanographite oxide was synthesized from thermally expanded graphite in an environmentally friendly electrochemical manner, and its adsorption properties were examined in a batch system. Three two-parameter isotherm models (Langmuir, Freundlich, and Dubinin–Radushkevich) were applied for the experimental data processing, and the adsorption kinetics was ...
Elena Yu. Obraztsova, Marie N. Barshutina, Evgeny S. Bakunin, Artem V. Rukhov, Anna A. Shipovskaya, Alexey V. Shuklinov   +5 more
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Thermal degradation of polyurethane and polyurethane/expandable graphite coatings

Polymer Degradation and Stability, 2001
Abstract This study deals with the thermal degradation of polyurethane (PU) and polyurethane/expandable graphite (PU/EG) coatings. EG represents a new generation of intumescent additives which provides good fire retardancy to various materials and in particular to PU.
DUQUESNE S., LE BRAS M., BOURBIGOT S., DELOBEL R., CAMINO, GIOVANNI, ELING B., LINDSAY C., ROELS T.   +7 more
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Morphological structure and microhardness of ground thermally expanded graphite

2017 IEEE 7th International Conference Nanomaterials: Application & Properties (NAP), 2017
The effect of the mechanical grinding on the structure and mechanical properties such as microhardness of the disperse thermally expanded graphite (TEG) has been studied. A comparison of the parameters of a deep structure of obtained TEG samples by X-ray diffraction method has been provided.
S. Revo, T. Avramenko, M. Melnichenko, K. Ivanenko, P. Teselko   +4 more
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