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The water vapor sorption behavior of natural fibers

Hill, Callum A. S.; Norton, Andrew; Newman, Gary


Callum A. S. Hill

Andrew Norton

Gary Newman


The water vapor sorption behavior of a range of natural fibers (jute, flax, coir, cotton, hemp, Sitka spruce) has been studied. The data was analyzed using the Hailwood Horrobin model for isotherm fitting and determination of monolayer moisture content. The extent of hysteresis exhibited between the adsorption and desorption isotherms was dependent upon fiber type studied and was larger with high lignin compared to low lignin content fibers. The area bounded by the hysteresis loop decreased as the isotherms were performed at progressively higher temperatures. This behavior is consistent with sorption interactions occurring with a glassy solid below the glass transition temperature. The Hailwood Horrobin model was found to provide good fits to the experimental data.

Journal Article Type Article
Acceptance Date Nov 17, 2008
Online Publication Date Feb 5, 2009
Publication Date May 5, 2009
Deposit Date Dec 3, 2009
Journal Journal of Applied Polymer Science
Print ISSN 0021-8995
Electronic ISSN 1097-4628
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 112
Issue 3
Pages 1524-1537
Keywords Materials Chemistry; General Chemistry; Surfaces, Coatings and Films; Polymers and Plastics
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