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Kinetics of tetrabromobisphenol A pyrolysis. Comparison between correlation and mechanistic models
Brominated flame retardants are well recognized as being highly effective flame retardants. 4-4′-Isopropylidenebis(2,6-dibromophenol), commonly known as tetrabromobisphenol A, is the brominated flame retardant with the largest production volume and is used to improve fire safety, mainly of laminates in electrical and electronic equipment. A kinetic study of the pyrolysis of TBBA has been carried out to obtain decomposition parameters under different operating conditions and taking into account that TBBA is a compound with a high boiling point and that vaporization occurs simultaneously to decomposition. Dynamic runs and dynamic + isothermal run at different heating rates and using different masses of sample were correlated simultaneously. All TG runs were fitted with a unique set of kinetic parameters that is able to explain all the experiments. Moreover, a simplified detailed kinetic model has been developed and the kinetic parameters obtained satisfactorily reproduce the thermal decomposition of TBBA. ; Support for this work was provided by PROMETEO/2009/043/FEDER and ACOMP2011/224 of Generalitat Valenciana (Spain) and CTQ2008-05520 (Spanish MCI/research).
Kinetics of tetrabromobisphenol A pyrolysis. Comparison between correlation and mechanistic models
Brominated flame retardants are well recognized as being highly effective flame retardants. 4-4′-Isopropylidenebis(2,6-dibromophenol), commonly known as tetrabromobisphenol A, is the brominated flame retardant with the largest production volume and is used to improve fire safety, mainly of laminates in electrical and electronic equipment. A kinetic study of the pyrolysis of TBBA has been carried out to obtain decomposition parameters under different operating conditions and taking into account that TBBA is a compound with a high boiling point and that vaporization occurs simultaneously to decomposition. Dynamic runs and dynamic + isothermal run at different heating rates and using different masses of sample were correlated simultaneously. All TG runs were fitted with a unique set of kinetic parameters that is able to explain all the experiments. Moreover, a simplified detailed kinetic model has been developed and the kinetic parameters obtained satisfactorily reproduce the thermal decomposition of TBBA. ; Support for this work was provided by PROMETEO/2009/043/FEDER and ACOMP2011/224 of Generalitat Valenciana (Spain) and CTQ2008-05520 (Spanish MCI/research).
Kinetics of tetrabromobisphenol A pyrolysis. Comparison between correlation and mechanistic models
2012-03-01
doi:10.1016/j.jaap.2011.11.003
Article (Journal)
Electronic Resource
English
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