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- Title
Sustainable Alternative Composites Using Waste Vegetable Oil Based Resins.
- Authors
Fernandes, Felipe C.; Kirwan, Kerry; Wilson, Peter R.; Coles, Stuart R.
- Abstract
Laminates were produced with epoxy resins from waste vegetable oil (WVO) intended for the manufacturing of environmentally-friendly alternatives for the composites industry. Post-use cooking oil appears a promising source of triglycerides for polymer manufacturing. Matrices cured with methylhexahydrophthalic anhydride (MHHPA) were reinforced with glass and flax fibres, creating a library of composites that were compared to analogues from virgin oil and benchmarked against commercial diglycidyl ether of bisphenol A (DGEBA). Glass fibre-reinforced composites presented Young's moduli similar to the benchmark but reduced tensile strength. Chemical pre-treatment of the flax fibre (NaOH and stearic acid) countered the limited tensile performance observed for materials with untreated flax; improvements were evidenced by DMA and SEM. Moreover, WVO-based resins greatly improved impact properties and reduced density with no effect on thermal stability. Therefore, WVO-based composites appear as more sustainable alternatives in applications demanding toughness, stiffness and lightweight over strength.
- Subjects
PETROLEUM waste; VEGETABLE oils; BASE oils; GUMS &; resins; GLASS composites
- Publication
Journal of Polymers & the Environment, 2019, Vol 27, Issue 11, p2464
- ISSN
1566-2543
- Publication type
Article
- DOI
10.1007/s10924-019-01534-8