Hydroxyethylcellulose use simplifies mat manufacture and improves interfacial cohesion of alkaline-treated Pandanus utilis fibres in polyester composite

A simple method of bonding mutually perpendicular layers of alkaline-treated fibres, through the use of Hydroxyethylcellulose, has been studied as an alternative to woven fibre-mat. Following alkaline process optimisation by using the Taguchi DoE methodology, fibres treatment with 0.5% wt NaOH for 1...

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Bibliographic Details
Published in:Composite interfaces 2021-04, Vol.28 (4), p.429-443
Main Authors: Rafidison, Barisoa Harijaona, Ramasawmy, Hareenanden, Chummun, Jaykumar, Florens, François Benjamin Vincent
Format: Article
Language:English
Subjects:
Alkaline-treatment
Hydroxyethylcellulose
interfacial shear stress
Pandanus utilis
polyester
pull-out
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Summary:A simple method of bonding mutually perpendicular layers of alkaline-treated fibres, through the use of Hydroxyethylcellulose, has been studied as an alternative to woven fibre-mat. Following alkaline process optimisation by using the Taguchi DoE methodology, fibres treatment with 0.5% wt NaOH for 14 hours improved the tensile strength by 36% compared to the untreated fibres. Interfacial-Shear-Stress (measured by pull-out tests) was improved by 32% after the optimal alkaline-treatment. Furthermore, an improvement of 5% in Interfacial-Shear-Stress was achieved after a coating with 2 wt. % Hydroxyethylcellulose. Thus, Hydroxyethylcellulose increases the shear stress, and decreases friction without adverse impact on fibre strength.
ISSN:0927-6440
1568-5543
DOI:10.1080/09276440.2020.1786648