Influence of atmospheric helium plasma on the surface energy of jute fibres and the performance of resulting composites

Kafi, Abdullah A., Magniez, Kevin, Cinquemani, Claudio and Fox, Bronwyn L. 2012, Influence of atmospheric helium plasma on the surface energy of jute fibres and the performance of resulting composites, Journal of adhesion science and technology, vol. 26, no. 1-2, pp. 151-162.

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Title Influence of atmospheric helium plasma on the surface energy of jute fibres and the performance of resulting composites
Author(s) Kafi, Abdullah A.
Magniez, Kevin
Cinquemani, Claudio
Fox, Bronwyn L.
Journal name Journal of adhesion science and technology
Volume number 26
Issue number 1-2
Start page 151
End page 162
Total pages 12
Publisher VSP
Place of publication Utrecht, The Netherlands
Publication date 2012
ISSN 0169-4243
1568-5616
Summary In this work, an atmospheric pressure glow discharge helium plasma treatment was employed to modify the surface properties of jute fibres. The resulting bio-composites showed an increase in flexural properties and interlaminar shear strength (ILSS) compared to composites produced using untreated jute fibres. To understand the reason behind the ILSS improvement, the acid–base properties of jute fibres were determined by contact angle analysis using the capillary rise method. The results were fitted further to van Oss–Chaudhury–Good (vOCG) and Chang–Qin–Chen (CQC) models to determine the Lifshitz–van der Waals (LW) and acid–base components of surface energy. Surface energy determined by the vOCG model revealed that plasma treatment of jute fibre resulted in a 22% increase in total surface energy, a 19% increase in the LW component and a 24% increase in the acid–base component of surface energy. The increase in the acid–base component is due to the significant increase (69%) in the electron-accepting (γ+S) parameter. On the other hand, the CQC model clearly indicates an amphoteric nature of the fibre surface based on opposite signs of the acid and base principal values (PSa and PSb). Overall, the results indicated that increases in both LW and acid–base components were responsible for improvement in the properties of the composites.
Language eng
Field of Research 091202 Composite and Hybrid Materials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Koninklijke Brill NV
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044384

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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