Drawing of self-reinforced cellulose films

被引：0
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作者：
Gindl, Wolfgang [1 ]
Keckes, Jozef [2 ]
机构：
[1] Department of Materials Science and Process Engineering, University of Natural Resources and Applied Life Sciences, Vienna, Austria
[2] Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, University of Leoben, Leoben, Austria
来源：
Journal of Applied Polymer Science | 1600年 / 103卷 / 04期
关键词：
Self-reinforced cellulose films were prepared by incomplete dissolution of commercial microcrystalline cellulose in LiCl/DMAc solvent and subsequent coagulation of regenerated cellulose in the presence of undissolved microcrystalline cellulose. By drawing in wet conditions and subsequent drying; preferred orientation was introduced into the self-reinforced cellulose films; resulting in significantly improved tensile strength of up to 430 MPa and modulus of elasticity of up to 33 GPa. A linear relationship was observed between applied draw; and the orienta tion of cellulose in the films; and the measured elastic modulus and tensile strength; respectively. The optically transparent drawn films significantly surpass the strength and modulus of elasticity of current all-bio-based planar materials and may therefore present a bio-degradable alternative to nonbio-based materials with similar performance. © 2006 Wiley Periodicals; Inc;
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摘要：
Journal article (JA)
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页码：2703 / 2708
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