Thermal runaway reactions in a low thermal inertia apparatus

A new apparatus utilizing a unique low heat capacity sample container is described for studying thermal runaway reactions. Other features provided by this new technique include: nearly equal pressures between sample container and the outside containment vessel as the runaway proceeds, a nearly zero...

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Bibliographic Details
Published in:Thermochimica acta 1986-08, Vol.104, p.13-29
Main Authors: Leung, J.C., Fauske, H.K., Fisher, H.G.
Format: Article
Language:English
Subjects:
Catalysis
Catalysts: preparations and properties
Catalytic reactions
Chemistry
Exact sciences and technology
General and physical chemistry
General. Nomenclature, chemical documentation, computer chemistry
Theory of reactions, general kinetics
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:A new apparatus utilizing a unique low heat capacity sample container is described for studying thermal runaway reactions. Other features provided by this new technique include: nearly equal pressures between sample container and the outside containment vessel as the runaway proceeds, a nearly zero temperature gradient outside the sample container to minimize heat loss, a magnetic stirring mechanism, and a remote feed capability. Thermal data obtained for styrene polymerization and di-t-butyl peroxide decomposition were shown to be in excellent agreement with previously published kinetic models. Finally, a base-catalyzed phenol-formaldehyde reaction in a runaway situation is presented.
ISSN:0040-6031
1872-762X
DOI:10.1016/0040-6031(86)85180-2