以速生杉木原料,经过苯酚液化物后加入六次甲基四胺熔融纺丝,初纺纤维固化处理后直接炭化制备出碳纤维,利用SEM、FTlR、Raman光谱和元素分析等对碳纤维进行了表征.研究结果表明:随着炭化温度的提高,杉木苯酚液化物碳纤维中出现了类石墨碳材料典型的马鞍状拉曼谱图,其D峰和G峰分别位于1360 cm-1和1595 cm-1处;碳纤维样品的无序化程度R值逐渐减小,石墨微晶尺寸上,La逐渐增大,纤维内部微观结构逐步趋于有序化.1000℃获得的碳纤维表面光滑,断面形状为椭圆形,其C、O、H的质量分数分别为94.04%、4.26%、0.5%.
参考文献
[1] | Byrne C E,Nagle D C.Carbonization of wood for advanced materials applications[J].Carbon,1997,35,259-266. |
[2] | Sudo K,Shimizu K,Nakashima N,Yokoyama A.A new modification method of exploded lignin for the preparation of a carbon-fiber precursor[J].J Applied Polymer Sci,1992,48:1485-1491. |
[3] | Kubo S,Uraki Y,Sano Y,et al.Preparation of carbon fibers from softwood lignin by atmospheric acetic acid pulping[J].Carbon,1998,36:1119-1124. |
[4] | Uraki Y,Kubo S,Nigo N,et al.Preparation of carbon fibers from organosolv lignin obtained by aqueous acetic-acid pulping[J].Holzforschung,1995,49:343-350. |
[5] | Kadla J F,Kubo S,Venditti R A,et al.Lignin-based carbon fibers for composite fiber applications[J].Carbon,2002,40(15):2913-2920. |
[6] | Alma M H,Yoshioka M,Yap Y,et al.Some characterizations of hydrochloric acid catalyzed phenolated wood-based materials[J].Mokuzai Gakkaishi,1995,41 (8):741-748. |
[7] | Lin L,Yoshioka M,Yap Y,et al.Physical properties of moldings from liquefied wood resins[J].J Applied Polymer Sci,1995,55:1563-1571. |
[8] | 马晓军,赵广杰.木材苯酚液化产物制备碳纤维的初步探讨[J].林产化学与工业,2007,27(2):29-32.Ma Xiaojun,Zhao Guangjie.Preliminary study on preparation of carbon fiber from wood-phenol liquefaction products[J].Chemistry and Industry of Forest Products,2007,27(2):29-32. |
[9] | 马晓军,赵广杰.纺丝液合成因素对木材液化物碳纤维原丝性能的影响[J].复合材料学报,2007,24(5):119-124.Ma Xiaojun,Zhao Guangjie.Effect of spinning solution factors on properties of carbon fiber precursors prepared with liquefied wood[J].Acta Materiae Compositae Sinica,2007,24 (5):119-124. |
[10] | Tuinstra F,Koenig J L.Raman spectrum of graphite[J].J Chem Phys,1970,53(3):1126-1130. |
[11] | Melanitis N0 Tetlow P L,Galiotis C.Characterization of PAN-based carbon fibres with laser Raman spectroscopy[J].J Mater Sci,1996,31(4):851-860. |
[12] | 涂建华,张利波,彭金辉,等.术质陶瓷的X射线衍射和喇曼光谱研究[J].无机材料学报,2006,21(4):986-992.Tu Jianhua,Zhang Libo,Peng Jinhui,et al.Structure evolution of woodceramies by X-ray diffraction and Raman spectroscopy[J].Journal of Inorganic Materials,2006,21(4):986-992. |
[13] | Wanger H D,Amer M S,Schadler L S.Residual compression stress profile in high-modulus carbon fiber embedded in isotactic polypropylene by micro-Raman spectroscopy[J].Applied Composite Materials,2000,7(4):209-217. |
[14] | Alma M H,Yoshioka M,Yao Y,et al.Preparation and characterization of the phenolated wood using hydrochloric acid as a catalyst[J].Wood Sci Technol,1995,30(1):39-47. |
[15] | Lee S H,Teramoto Y,Shiraish N.Preparation and properties of phenolated corn bran (CB)/phenol/formaldehyde cocondensed resin[J],J Appl Polym Sci,2000,77(13):2901-2907. |
[16] | Lin L,Yoshioka M,Yao Y.Preparation and properties of phenolated wood/pheno/formaldehyde cocondensed resin[J].J Appl Polym Sci,1995,58(8):1297-1304. |
[17] | Liu C L,Guo Q G,Shi J L,et al.A study on crosslinking of phenolic fibers[J].Mater Chem Phys,2005,90(23):315-321. |
[18] | 汪树军.有机高分子树脂炭化过程中结构基团的变化[J].石油大学学报,2001,25(3);45-48.Wang Shujun.Structural group variety of organic macromolecule resin in carbonization process[J].Journal of China University of Petroleum,2001,25(3):45-48. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%