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- W2364732575 abstract "In order to study the influence of common chemicals on the thermal stability of 2,2-azobis(isobutyronitrile)(AIBN),we have carefully made the experiments of the thermal decomposition reactions of AIBN and AIBN with water,acid,sodium hydroxide,sodium chloride and iron by using C600 trace calorimetric apparatus.The results of our experiments and analysis indicate that the onset temperature of AIBN should be about 90 ℃,whereas the released heat should be about 1 000 J /g,and in the above said conditions,the impacts of these substances on the onset temperature and the released heat should not be overestimated.The above said analysis results have been done by us as a result of the experiment data by using the traditional dynamics method based on the corresponding dynamic parameters.The results also prove that the activated energy of AIBN used in the experiments should be114.79 kJ /mol and the activated energies of the systems turn out to be 158.31 kJ /mol,149.28 kJ /mol,288.63 kJ /mol,267.42 kJ /mol,258.32 kJ /mol in addition to water,acid,sodium hydroxide,sodium chloride and irons.The above mentioned experimental data let us also clear that the thermal stability of AIBN tends to be poor with the increase of the substances to promote the activated energies in the system.What is more,the exothermic peaks of the systems should be made to become sharp as the result of the intensification of the thermal decomposition reactions of the systems and the constant increase of the reaction rate and the sensitive change of the temperatures.And,finally,we have also made use of the Fourier transform infrared spectrometry to analyze their decomposition products,which may let us find that they have the same infrared absorption frequencies.Thus,it can be concluded that it wouldn't be possible for the above said substances to change the decomposition products of AIBN." @default.
- W2364732575 created "2016-06-24" @default.
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- W2364732575 date "2014-01-01" @default.
- W2364732575 modified "2023-09-24" @default.
- W2364732575 title "Influence of common chemicals on the thermal stability of 2,2-azobis(isobutyronitrile)" @default.
- W2364732575 hasPublicationYear "2014" @default.
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