Laser surface engineering of polymeric materials and the effects on wettability characteristics

Waugh, David, Avdic, Dalila, Woodham, K. J. and Lawrence, Jonathan (2014) Laser surface engineering of polymeric materials and the effects on wettability characteristics. In: Laser Surface Modification and Adhesion. Adhesion and adhesives: fundamental and applied aspects . John Wiley, Hoboken, NJ, USA, pp. 337-375. ISBN 9781118831670, 9781118831632

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Wettability characteristics are believed by many to be the driving force in applications relating to adhesion. So, gaining an in-depth understanding of the wettability characteristics of materials before and aft er surface treatments is crucial in developing materials with enhanced adhesion properties. This chapter details some of the main competing techniques to laser surface engineering followed by a review of current cutting edge laser surface engineering techniques which are used for wettability and adhesion modulation. A study is provided in detail for laser surface treatment (using IR and UV lasers) of polymeric materials. Sessile drop analysis was used to determine the wettability characteristics of each laser surface treated sample and as-received sample, revealing the presence of a mixed-state wetting regime on some samples. Although this outcome does not follow current and accepted wetting theory, through numerical analysis, generic equations to predict this mixed state wetting regime and the corresponding contact angle are discussed. © 2015 by Scrivener Publishing LLC. All rights reserved.

Additional Information:doi: 10.1002/9781118831670.ch9 Published online: 3 October 2014
Keywords:Contact angle, Laser surface treatment, Mixed-state wetting regime, polymers, Wettability
Subjects:F Physical Sciences > F200 Materials Science
J Technologies > J511 Engineering Materials
Divisions:College of Science > School of Engineering
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ID Code:17417
Deposited On:08 May 2015 11:25

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