On the characterization and spinning of an organic-purified lignin toward the manufacture of low-cost carbon fiber

被引:180
|
作者
Baker, Darren A. [1 ]
Gallego, Nidia C. [1 ]
Baker, Frederick S. [1 ]
机构
[1] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA
关键词
biofibers; crosslinking; fibers; mechanical properties; stabilization;
D O I
10.1002/app.33596
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A Kraft hardwood lignin (HWL) and an organic-purified hardwood lignin (HWL-OP) were evaluated as potential precursors for the production of low-cost carbon fibers. It was found that the unpurified HWL exhibited poor spinnability while the HWL-OP exhibited excellent spinnability characteristics. Fibers of various diameters were obtained from the HWL-OP. Thermostabilization studies showed that oxidative stabilization can only be used to convert HWL-OP-based fibers into carbon fibers if extremely low heating rates are applied. Carbonized lignin-based fibers had tensile strength of 0.51 GPa and tensile modulus of 28.6 GPa. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
引用
收藏
页码:227 / 234
页数:8
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