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Epoxy resin blends and composites from waste vegetable oil

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Fernandes, Felipe C., Kirwan, Kerry, Lehane, Danielle and Coles, Stuart R. (2017) Epoxy resin blends and composites from waste vegetable oil. European Polymer Journal, 89 . pp. 449-460. doi:10.1016/j.eurpolymj.2017.02.005 ISSN 0014-3057.

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Official URL: http://dx.doi.org/10.1016/j.eurpolymj.2017.02.005

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Abstract

Thermosets and composites were prepared from blends of epoxidized waste vegetable oils and diglycidyl ether of bisphenol-A to investigate this material as an alternative triglyceride source for epoxy resins. Purification of the waste oil was developed to remove impurities derived from thermal degradation in the frying process and different epoxidation methodologies were investigated. Effects of epoxidized vegetable oil content (up to 30 wt%) and origin on the tensile properties were studied and revealed that purified waste oils performed similarly to neat oil in contents up to 10 wt%, proving that this strategy does not compromise tensile properties when waste oils are used in suitable proportions. Furthermore, a more prominent plasticizing effect was observed when more than 15 wt% of bio-based resin was used as confirmed by DMA. Composites were prepared with recycled carbon fibres (up to 30 wt%) and thermosets with 10 wt% of bio-based epoxy resins, significantly improving the mechanical properties.

Item Type: Journal Article
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Epoxy resins, Vegetable oils
Journal or Publication Title: European Polymer Journal
Publisher: Pergamon
ISSN: 0014-3057
Official Date: April 2017
Dates:
DateEvent
April 2017Published
8 February 2017Available
6 February 2017Accepted
Volume: 89
Page Range: pp. 449-460
DOI: 10.1016/j.eurpolymj.2017.02.005
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 7 April 2017
Date of first compliant Open Access: 8 September 2018
Funder: Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Grant number: 203118/2014-6

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