期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 4, 期 1, 页码 159-168出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.5b01442
关键词
Lignin; Carbon fiber; Copolymer; Blend; Wet spinning
资金
- National Natural Science Foundation of China [21404111]
A novel carbon fiber precursor was prepared from lignosulfonate (LS) with acrylonitrile (AN) via a two-step process consisting of esterification and free radical copoly-merization. The LS AN copolymer was characterized by FTIR, H-1 NMR, (13) CNMR, UV, GPC, DSC, and TG. Continuous long precursor fibers with a brown color and a dense structure were prepared from the LS AN copolymer by a wet spinning technique. Carbon fibers that were free of any visible voids and other defects were also obtained from the precursor fibers by thermal stabilization and carbonization. This study provided a promising way to develop partially biobased carbon fibers with desired mechanical properties for industrial applications.
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