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Comparison of isothermal and non-isothermal chemiluminescence and differential scanning calorimetry experiments with benzoyl peroxide

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Abstract

Difference in the kinetics of chemiluminescence (CL) and differential scanning calorimetry records for decomposition of originally solid benzoyl peroxide continuing as a melt reaction was outlined. While the main portion of heat measured by DSC is released in the spontaneous decomposition of benzoyl peroxide starting as a homolytic scission of peroxidic bonds, the CL light emission in oxygen comes presumably from the subsequent disproportionation reaction of polyphenyl peroxyl radicals and monitors the induced decomposition of peroxide. Thermogravimetry revealed that oxygen remains partially bound to the products of benzoyl peroxide decomposition.

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Authors and Affiliations

  1. Polymer Institute, Slovak Academy of Sciences, 842 36, Bratislava, Slovakia

    Jozef Rychlý, Lyda Matisová-Rychlá, Ivica Janigová & Katarína Csomorová

  2. Environment Reference Laboratory, Refik Saydam Hygiene Center, 06830, Ankara, Turkey

    Aysegul Kocer & Fathy Tanis

Authors
  1. Jozef Rychlý
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  2. Aysegul Kocer
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  3. Fathy Tanis
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  4. Lyda Matisová-Rychlá
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  5. Ivica Janigová
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  6. Katarína Csomorová
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Correspondence to Jozef Rychlý.

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Rychlý, J., Kocer, A., Tanis, F. et al. Comparison of isothermal and non-isothermal chemiluminescence and differential scanning calorimetry experiments with benzoyl peroxide. Chem. Pap. 63, 471–478 (2009). https://doi.org/10.2478/s11696-009-0021-y

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  • DOI: https://doi.org/10.2478/s11696-009-0021-y

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