期刊
CARBOHYDRATE POLYMERS
卷 78, 期 2, 页码 357-360出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2009.03.039
关键词
Xylan; Cellulose whiskers; Water transmission; Barrier
资金
- Georgia Institute of Technology
- Paper Science Fellowship
- Gunnar Nicholson Foundation
The reinforcement of natural biopolymers with cellulosic whiskers has been shown to be beneficial for physical strength properties including xylan films. This study examines the water transmission properties of xylan films reinforced with cellulosic whiskers prepared from kraft pulp hydrolyzed with sulfuric acid. Measurements of water transmission rate (WVTR) were accomplished by a modification of wet cup method described by ASTM E 96-95. The results showed that films prepared by xylan reinforced by 10% sulfonated whiskers exhibited a 74% reduction in specific water transmission properties with respect to xylan film and a 362% improvement with respect to xylan films reinforced with 10% softwood kraft fibers. (C) 2009 Elsevier Ltd. All rights reserved.
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