期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 3, 期 9, 页码 1943-1954出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.5b00562
关键词
Polyacrylonitrile PAN; Lignin; Fiber; Carbon fiber; Carbon nanotubes; CNT
资金
- Renewable Bioproducts Institute at Georgia Institute of Technology
- Air Force Office of Scientific Research [FA 9550-14-1-0194]
Composite fibers comprised of lignin, polyacrylonitrile (PAN), and carbon nanotubes (CNT) were successfully fabricated by gel-spinning technology. Wide angle X-ray diffraction (WAXD), infrared spectroscopy, and thermal characterizations were used to identify the effects of lignin and CNT on the physical structure and stabilization process of gel-spun precursor fibers. PAN, PAN/lignin, and PAN/lignin/CNT precursors have been converted to carbon fibers under identical stabilization and carbonization conditions. When carbonized at 1100 degrees C, PAN/lignin carbon fiber exhibits comparable mechanical properties to PAN carbon fiber. Raman spectroscopy studies suggested differences between the carbon fibers when lignin and CNTs were incorporated.
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