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Thermal decomposition of azoisopropane. I. Primary decomposition processes

✍ Scribed by A. Péter; G. Ács; P. Huhn

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
461 KB
Volume
16
Category
Article
ISSN
0538-8066

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✦ Synopsis

The thermal decomposition of azoisopropane (AIP) was studied by detailed product analysis in the temperature and pressure intervals 498-563 K and 0.67-5.33 kPa. Besides the predominant termination and hydrogen-abstraction reaction of the 2-propyl radical, the decomposition is characterized by a very short chain process. The following rate constants were determined from the measurements log(k,/s-') = (16.3 2 0.2) -(199.9 t 1.6) kJ mol-'/2.3RT log(k4/ki'2 dm3" molF"2 s-'") = (4.1 5 0.3) -(52.5 t 3.0) kJ mol-'/2.3RT log(ks/ki'2 dm3" rnol-''* s-'") = (2.4 I 0.1) -(27.6 5 1.3) kJ mol-'/2.3RT kJk3 = 0.51 t 0.02 for the following reactions:

(1)

  1. 2-C3H7 + AIP+ C3Hs + CH,(CH,)CH-NZ-CH(CH3)2 (5) AIP + N2 + 2 2-C3H7 2 2-C3H7 + C3Hs + C3H6 2

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