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Measurement of the adhesion between single melamine-formaldehyde resin microparticles and a flat fabric surface using AFM

Liu, K. M.; Preece, J. A.; York, D.; Bowen, J. and Zhang, Z. (2013). Measurement of the adhesion between single melamine-formaldehyde resin microparticles and a flat fabric surface using AFM. Journal of Adhesion Science and Technology, 27(9) pp. 973–987.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1080/01694243.2012.727169
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Abstract

An understanding of the adhesion of microparticles, particularly microcapsules, containing a functional component to a fabric surface is crucial to an effective application of this component to the fibre. Fabric surface is very rough; hence, direct measurement of the adhesion of single microparticles to surfaces with a roughness greater than the particle diameter is difficult. In the study reported here, cotton films were generated by dissolving cotton powder in an organic solvent and their properties including surface roughness, thickness, contact angle and purity were characterised. The adhesive forces between single melamineformaldehyde (MF) resin microparticles and a cotton film under ambient conditions with a relative humidity of above 40% were measured using atomic force microscopy; they are considered to be dominated by capillary forces. It was found that there was little adhesion between a MF microparticle and a cotton film in an aqueous solution of sodium dodecylbenzene sulphonate as surfactant. Repulsion between them was observed, but it reduced with increase in the surfactant concentration and decrease in the pH of the solution. The repulsion contributions are thought to originate mainly from electrostatic repulsion. It is believed that the studies on the adhesion between single MF microparticles and a cotton film under ambient conditions or dispersed in surfactant solutions, are beneficial to the attempts to enhance the adhesion of microcapsules to fabric surfaces via a modification of their surface composition and morphology.

Item Type: Journal Item
Copyright Holders: 2012 Taylor & Francis
ISSN: 1568-5616
Keywords: microparticle; atomic force microscopy; melamine formaldehyde; fabric; cotton; adhesion; repulsion
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 43171
Depositing User: James Bowen
Date Deposited: 16 Jun 2015 08:32
Last Modified: 15 Nov 2016 21:06
URI: http://oro.open.ac.uk/id/eprint/43171
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