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Main articleCC BY-NC-ND V4.0, Open Access
Accepted manuscript
Degradation of ROMP-based bio-renewable polymers by UV radiation
Polymer degradation and stability., Vol.98(11), pp.2357-2365
2013
Handle:
https://hdl.handle.net/2376/5570
Abstract
The degradation of a bio-renewable polymer under UV exposure was studied using various methods. Degradation of the bio-renewable polymer increased with increasing exposure time. Enhanced cross-link density in the early stage of degradation was confirmed by Soxhlet extraction. Tensile testing showed a transition from ductile failure to brittle fracture. Surface cracks and embrittlement were primary reasons for most reductions in mechanical properties, such as tensile strength and breaking strain. The effects of degradation were confined to the surface of thick bio-based polymer specimens, confirmed by both SEM and PAS-FTIR. Depth profile studies of degraded samples showed that the concentration of oxidation products, such as hydroxyl and carbonyl groups, varied with depth depending on the diffusion of oxygen.
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Details
- Title
- Degradation of ROMP-based bio-renewable polymers by UV radiation
- Creators
- Hongyu Cui (Author)Riley Hanus (Author)Michael Kessler (Author)
- Publication Details
- Polymer degradation and stability., Vol.98(11), pp.2357-2365
- Academic Unit
- Mechanical and Materials Engineering, School of
- Identifiers
- 99900502327501842
- Copyright
- Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International ; http://creativecommons.org/licenses/by-nc-nd/4.0/
- Language
- English
- Resource Type
- Accepted manuscript