ORCID
- Summerscales, John: 0000-0002-3557-0404
Abstract
A well-established model for simulation of the chain-scission process of polylacticacid (PLA) during thermal processing has been simplified and revised. The key assumption in the new model is that the total number of monomer units is invariant as reactions progress. Surprisingly, this seemingly obvious assumption appears to have been previously overlooked. The revised model no longer requires solution of simultaneous differential equations and, for isothermal conditions, an analytical solution is readily available. The present model is in excellent agreement with the more complex model and experimental results for PLA degradation reported in the literature. This simplified model has potential to be applied to other thermoplastics.
DOI
10.1016/j.polymdegradstab.2016.09.033
Publication Date
2016-12-01
Publication Title
Polymer Degradation and Stability
Volume
134
First Page
19
Last Page
21
ISSN
0141-3910
Embargo Period
2017-09-28
Organisational Unit
School of Engineering, Computing and Mathematics
Keywords
Modelling, Thermal degradation, Polymeric material, Chain-scission, PLA
Recommended Citation
Khanlou, H. M., Hall, W., Heitzman, M., Summerscales, J., & Woodfield, P. (2016) 'Technical Note: On modelling thermo-chemical degradation of poly(lactic acid)', Polymer Degradation and Stability, 134, pp. 19-21. Available at: https://doi.org/10.1016/j.polymdegradstab.2016.09.033
