Experimental Determination of Rubber Curing Reaction Heat Using the Transient Heat Conduction Equation

Juma, M. and Bafrnec, M. Experimental Determination of Rubber Curing Reaction Heat Using the Transient Heat Conduction Equation Chemical Papers, Vol.58, No. 1, 2004, 29-32

Document type: ńĆl√°nok z ńćasopisu / Journal Article
Collection: Chemical papers  
 
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Author(s) Juma, M.
Bafrnec, M.
Title Experimental Determination of Rubber Curing Reaction Heat Using the Transient Heat Conduction Equation
Journal name Chemical Papers
Publication date 2004
Year available 2004
Volume number 58
Issue number 1
ISSN 0366-6352
Start page 29
End page 32
Place of publication Poland
Publisher Versita
Collection year 2004
Language english
Subject 290000 Engineering and Technology
290600 Chemical Engineering
Abstract/Summary This paper presents a method for the experimental determination of reaction heat of rubber curing, which is based on solution of the transient heat conduction equation with an internal heat source. The experimental technique of the LIST method, which was originally developed for measuring thermal diffusivity of rubber compounds, was used to estimate the reaction heat of rubber curing. Value of 43 x 103 J kg‚ąí1 was obtained for curing reaction heat of a commercial rubber sample with the following composition: 47.54 mass % of natural rubber (SMR 20), 9.00 mass % of synthetic rubber (SKD 2), 3.00 mass % of synthetic rubber (Vestenamer 8012), 2.69 mass % of sulfur, 0.97 mass % of accelerator (Vulcacid DZ), 0.07 mass % of inhibitor (Duslin G-80), and 36.73 mass % of carbon black and other components. The overall error in predicting the reaction heat by this method is less than 15 %.
 
 
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