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Thermal decomposition of azoisopropane. II. Secondary decomposition processes

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

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

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✦ Synopsis

The thermal decomposition of azoisopropane (AIP) was studied in the presence of various quantities of propylene in the temperature and pressure intervals 498-553 K and 3.33-5.33 kPa. The inhibition functions relating to formation of the products were determined; these proved a good basis for interpretation of the formation of the secondary decompositon products of AIP. The experimental data support the conception that the p p radical-radical reaction Z-C,H, + (CH,)2CH-NxNX(CH3)2 3 [XI occurs. The product of this is not stable; its decomposition is one of the sources of the secondary products. The ratio of the rate constants was determined for the following reactions: (18) (3) 2 2-CsH7 + CeH,, 2-C& + C,H6 + C,!& + C3H5 log(k,,/k;'2 dm3" mol-'" s-"* = (3.4 k 0.3) -(45.2 2 3.3) kJ . mol-'/2.3RT

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