期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 112, 期 3, 页码 1524-1537出版社
WILEY
DOI: 10.1002/app.29725
关键词
adsorption; biofibers; hysteresis; swelling; water vapor
The water vapor sorption behavior of a range of natural fibers (jute, flax, coir, cotton, hemp, Sitka spruce) has been studied. The data were analyzed using the Hailwood Horrobin model for isotherm fitting and determination of monolayer moisture content. The Hailwood Horrobin model was found to provide good fits to the experimental data. The extent of hysteresis exhibited between the adsorption and desorption isotherms was dependent on fiber type studied and was larger with high lignin compared with 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. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 112: 1524-1537, 2009
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