碳化—活化条件对剑麻基活性炭纤维结构及性能的影响  

STRUCTURE AND PROPERTIES OF SACF DEPENDENT ON CARBONIZATION\|ACTIVATION CONDITIONS

作　　者：陈水挟[1] 陆耘[1] 曾汉民[1] 

机构地区：[1]中山大学材料科学研究所

出　　处：《合成纤维工业》1999年第3期16-20,共5页China Synthetic Fiber Industry

基　　金：广东省重点自然科学基金

摘　　要：对一系列剑麻基活性炭纤维的孔结构特征分析表明，这些活性炭纤维具有发达的微孔和高的比表面积，含有部分中孔。随活化温度升高，平均孔径不断增大，中孔体积也相应提高。ＤＲ曲线显示了ＳＡＣＦ吸附等温线由多段直线组成，揭示了活性炭纤维孔分布的多段性。此外，Ｘ－射线衍射数据的结果表明，随碳化活化温度升高，石墨片层间距增大。According to adsorption\|desorption isotherms of N2 on SACF, the porosity of SACF was analyzed by t\|method, \|method and DR equation. The result showed that SACF had adequate micropores and a moderate number of medium\|pore that led to high specific surface area. The average aperture and the medium\|pore volume increased with the increase of activation temperature. The multi\|section structure of SACF was proved by DR plot that showed SACF adsorption\|desorption isotherms were composed of several sectors of straight line. Moreover, the result of X\|ray diffraction indicated that the micrographite spacing increased and the crystal size decreased while raising the crabonization\|activation temperature.

关 键 词：活性炭纤维 结构 X-射线衍射 性能 孔径 碳化 

分 类 号：TQ342.86[化学工程—化纤工业]