Kinetic equations for thermal degradation of polymers

Aleksey D. Drozdov

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Kinetic equations are analysed for thermal degradation of polymers. The governing relations are based on the fragmentation-annihilation concept. Explicit solutions to these equations are derived in two particular cases of interest. For arbitrary values of adjustable parameters, the evolution of the number-average and mass-average molecular weights of polymers is analysed numerically. Good agreement is demonstrated between the numerical results and experimental data. It is revealed that the model can correctly predict observations in thermo-gravimetric tests when its parameters are determined by matching experimental data for the decrease in molecular weight with exposure time.

Original languageEnglish
Pages (from-to)575-597
Number of pages23
JournalModelling and Simulation in Materials Science and Engineering
Volume12
Issue number4
DOIs
StatePublished - 1 Jul 2004
Externally publishedYes

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