| 云母基浅色导电粉末的制备工艺 |
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| 引用本文： | 高新,杨清翠,李稳宏,周俊.云母基浅色导电粉末的制备工艺[J].化学工程,2005,33(1):40-43. |
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| 作者姓名： | 高新 杨清翠 李稳宏 周俊 |
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| 作者单位： | 西北大学,化工学院,陕西,西安,710069 |
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| 基金项目： | 陕西省教育厅基金项目(01JK068) |
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| 摘 要： | 用化学共沉淀法制备一种在云母表面包覆一层掺杂P的SnO2 Sb2O3 超细浅色导电粉末,对制备工艺过程进行了研究。探讨了影响导电粉末性能的几个主要工艺参数,并通过正交实验对制备工艺条件作了进一步研究,得到优化工艺条件:包覆率为 100%,m(SnCl4·5H2O)∶m(SbCl3 ) =5∶1,加料时间为 3. 5—4. 0h,pH=2. 5—3. 5。检测结果表明粉末体积电阻率小于 40Ω·cm,细度为微米级,颜色浅灰白。
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| 关 键 词： | 浅色导电粉末 共沉淀法 制备 |
| 文章编号： | 1005-9954(2005)01-0040-04 |
Preparation of micro-sheet mica light-colored conductive powder |
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| GAO Xin,YANG Qing-cui,LI Wen-hong,ZHOU Jun.Preparation of micro-sheet mica light-colored conductive powder[J].Chemical Engineering,2005,33(1):40-43. |
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| Authors: | GAO Xin YANG Qing-cui LI Wen-hong ZHOU Jun |
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| Abstract: | Micro-sheet mica was covered with a coat of P and SnO_2-Sb_2O_3 by coprecipitation. After being (culcinated), a new kind of light-colored conductive powder was prepared. The process of preparation and (technological) parameters which affect the conductive behavior of this powder were studied respectively. A further (research) was done for the preparation through orthodox experiments, and the optimal process conditions are as (follows): covering rate about 100%, m(SnCl_4·5H_2O)∶m(SbCl_3 )=5∶1, feeding time 3.5—4.0 h, pH value (about) 2.5—3.5. The results show that the powder volume resistivity is less than 40 Ω·cm and its fineness in (micron) sizes. |
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| Keywords: | light-colored conductive powder coprecipitation preparation |
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