Zobrazeno 1 - 10
of 248
pro vyhledávání: '"Sergey Vyazovkin"'
Autor:
Sergey Vyazovkin
Publikováno v:
Thermo, Vol 4, Iss 3, Pp 373-381 (2024)
Thermogravimetry (TGA) and differential scanning calorimetry (DSC) are used broadly to study the kinetics of thermally stimulated processes such as thermal decomposition (pyrolysis) or thermal polymerization. These studies typically yield the activat
Externí odkaz:
https://doaj.org/article/35a8ff17f2fb4cc28c49b4c8ff5fb741
Autor:
Nikita V. Muravyev, Sergey Vyazovkin
Publikováno v:
Thermo, Vol 2, Iss 4, Pp 435-452 (2022)
This paper is a literature survey that focuses on the present development of thermokinetic publications. It demonstrates that in recent years pyrolysis kinetics has turned into a major application of the thermokinetics. Analysis of the respective pub
Externí odkaz:
https://doaj.org/article/c7644c00d5bb4f209c6cd3a181e024ae
Publikováno v:
Molecules, Vol 27, Iss 11, p 3605 (2022)
This study highlights the value of nonisothermal kinetic methods in selecting temperature conditions for the isothermal preparation of microporous polymeric materials. A dicyanate ester is synthesized and the kinetics of its polymerization in dipheny
Externí odkaz:
https://doaj.org/article/717ff648634d4e3dbdb4f52ed0e2574b
Publikováno v:
Molecules, Vol 26, Iss 12, p 3727 (2021)
Artificial neural networks (ANNs) are a method of machine learning (ML) that is now widely used in physics, chemistry, and material science. ANN can learn from data to identify nonlinear trends and give accurate predictions. ML methods, and ANNs in p
Externí odkaz:
https://doaj.org/article/9047cc0944384767914d0c137156ae2e
Autor:
Katrina M. Hatch, Jana Hlavatá, Katherine Paulett, Tatsiana Liavitskaya, Sergey Vyazovkin, Andrei V. Stanishevsky
Publikováno v:
International Journal of Polymer Science, Vol 2019 (2019)
Nanocellulose/polyvinylpyrrolidone (nCel/PVP) fibrous composite materials containing rod-like nanocrystalline cellulose particles with the lengths varying in the range from 100 to 2000 nm were prepared by using DC electrospinning. The particle size h
Externí odkaz:
https://doaj.org/article/f1054758b41043c6829f6243ff406137
Autor:
Sergey Vyazovkin
Publikováno v:
Molecules, Vol 26, Iss 11, p 3077 (2021)
The kinetics of thermally stimulated processes in the condensed phase is commonly analyzed by model-free techniques such as isoconversional methods. Oftentimes, this type of analysis is unjustifiably limited to probing the activation energy alone, wh
Externí odkaz:
https://doaj.org/article/cd3fb97c004b490b9f3c6733c148b39d
Autor:
Sergey Vyazovkin
Publikováno v:
Molecules, Vol 25, Iss 12, p 2813 (2020)
The Kissinger method is an overwhelmingly popular way of estimating the activation energy of thermally stimulated processes studied by differential scanning calorimetry (DSC), differential thermal analysis (DTA), and derivative thermogravimetry (DTG)
Externí odkaz:
https://doaj.org/article/3a66a422fec84a57a03d3cff5235fcbe
Autor:
Tatsiana Liavitskaya, Sergey Vyazovkin
Publikováno v:
Molecules, Vol 24, Iss 10, p 1918 (2019)
In this tutorial overview article the authors share their original experience in studying the kinetics of thermally stimulated reactions under the conditions of continuous cooling. It is stressed that the kinetics measured on heating is similar to th
Externí odkaz:
https://doaj.org/article/e74d0c2b099c4322a623497f6dd43e01
Publikováno v:
Molecules, Vol 23, Iss 11, p 3025 (2018)
The purpose of this study is to highlight the surface and size effects of the nanopores on the thermodynamics and kinetics of gelation. The effects have been probed by applying differential scanning calorimetry to poly(vinylidene fluoride) solutions
Externí odkaz:
https://doaj.org/article/14cf55ac6e454e34abdb5352ada325ac
Publikováno v:
Physical Chemistry Chemical Physics. 25:10671-10677
Experimental kinetic study of bulk azide–alkyne cycloaddition reveals the concerted mechanism of the formation of both possible regioisomers.