Mathematical Modeling of Thermal Oxidative Degradation of Polybutadiene in Solution

Autor:	G. V. Shatalov, S. G. Tikhomirov, T. N. Shekhavtsova, A. P. Popov, A. V. Karmanov, D. V. Arapov, I. A. Khaustov, O. V. Karmanova
Rok vydání:	2018
Předmět:	Materials science Diene General Chemical Engineering Energy Engineering and Power Technology Thermodynamics 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences Reaction rate chemistry.chemical_compound Fuel Technology Polybutadiene Reaction rate constant chemistry Geochemistry and Petrology Scientific method Thermal Degradation (geology) Cage effect 0210 nano-technology
Zdroj:	Chemical and Petroleum Engineering. 54:560-568
ISSN:	1573-8329 0009-2355
DOI:	10.1007/s10556-018-0516-x
Popis:	A new mathematical model of the process of degradation of diene rubbers is proposed as the basis for the design of industrial reactors used for this process. It describes a homophasic thermal oxidative process that occurs in a polymer-solvent system under the action of atmospheric oxygen in the presence of an initiator. A mathematical description of the rate constants of the reaction elementary steps is proposed, taking into account the cage effect. The parameters of reaction rate constants in terms of their correlation with the initial and current viscous average molecular masses are estimated.
Databáze:	OpenAIRE
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