【作者】 王欣； 李青山； 燕大伟； 狄友波； 邢广忠；

【Author】 WANG Xin;LI Qingshan;YAN Dawei;DI Youbo;XING Guangzhong;State Key Laboratory of Stable Materials Preparation Technology and Science,Yanshan University;

【机构】 燕山大学亚稳材料制备技术与科学国家重点实验室；

【摘要】 本文研究了高比表面积竹炭的高温煅烧制备法,用新型纳米球磨机将竹炭研磨成不同粒度的粉末并应用于印花布。SEM结果显示研磨时间越长,竹炭粉平均粒径越小,5 h以上的研磨可使平均粒径降至100 nm以下,达到纳米量级。由于团聚效应显著,研磨1 h和5 h的两种样品,其比表面积和孔结构检测未出现明显的不同。但是通过选择合适的分散剂,在印花布负离子测试中发现负离子释放量与竹炭粒径和含量有关,粒径越小、竹炭含量越高,对应印花布负离子释放量也越大,表明竹炭是优良的负离子释放材料。更多还原

【Abstract】 In this paper,the high-temperature calcination preparation method of high specific surface area of bamboo charcoal was studied.The bamboo charcoal was ground with different nano-ball mill into different sizes and applied to the printed cloth.SEM results show that the longer the grinding time,the smaller the average particle size of bamboo charcoal powder,grinding more than 5 h can reduce the average particle size below 100 nm to reach the nanometer order.The specific surface area and pore structure of the two samples were not significantly different due to the significant effect of agglomeration.However,by selecting the appropriate dispersant,it was found that the amount of negative ions was related to the particle size and content of bamboo charcoal in the negative ion test of the printed cloth.The smaller the particle size,the higher the content of bamboo charcoal,and the larger the amount of negative ions in the printing cloth,indicating that the bamboo charcoal was fine of the anion release material.更多还原