Study of Thermal Degradation Kinetics of Elastomeric Powder (Ground Tire Rubber)

This paper investigates the use of thermogravimetric analysis to study the kinetics of thermal degradation of ground tire rubber (GTR) obtained from reclaimed tires. We analyzed the composition of GTR and determined the content percentage of its components (volatile compounds, rubber, and ash) using...

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Bibliographic Details
Published in:Polymer-plastics technology and engineering 2008-01, Vol.47 (1), p.36-39
Main Authors: Nadal Gisbert, A., Crespo Amorós, J. E., López Martínez, J., Garcia, A. Macias
Format: Article
Language:English
Subjects:
Applied sciences
Degradation kinetics
DTG
Exact sciences and technology
Ground tire rubber
Polymer industry, paints, wood
Technology of polymers
Tire powder
Waste treatment
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Summary:This paper investigates the use of thermogravimetric analysis to study the kinetics of thermal degradation of ground tire rubber (GTR) obtained from reclaimed tires. We analyzed the composition of GTR and determined the content percentage of its components (volatile compounds, rubber, and ash) using thermogravimetric analysis (TGA). T 1 and T 2 temperature peaks corresponding to the maximum normalized weight loss rate (NWLR) of the two main rubber components of tires NR (natural rubber) and a BR/SBR (butadiene/styrene-butadiene rubber blend) using the Gaussian deconvolution method has been determined. The influence of GTR particle size and heating rate on reaction rates (dx/dt) and on degradation time during the degradation process has been analyzed.
ISSN:0360-2559
1525-6111
DOI:10.1080/03602550701580870