CHINESE JOURNAL OF ENERGETIC MATERIALS
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硝化棉的抗静电性能
作者:
作者单位:

(1. 西南科技大学非金属复合与功能材料国家重点实验室培育基地, 四川 绵阳 621010; 2. 四川省东材科技集团股份有限公司, 四川 绵阳 621010)

作者简介:

李怡(1987-),女,硕士研究生,主要从事火炸药抗静电的研究。e-mail: peichonghua@swust.edu.cn

通讯作者:

裴重华(1986-),男,教授,主要从事纳米复合材料的研究。e-mail: peichonghua@swust.edu.cn

基金项目:

生物质材料教育部工程研究中心开放基金资助课题(09zxbk12)


Improvement of Antistatic Ability of Nitrocellulose
Author:
Affiliation:

(1. State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang 621010, China ; 2. Sichuan Em Technology Co,Ltd, Mianyang 621010, China)

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    摘要:

    以硝化棉作为原料, 选择碳系导电填料, 通过液相共混复合法, 制备了抗静电硝化棉薄膜。用高阻计和静电感度测试仪、电子万能试验机及场发射扫描电子显微镜分别表征了抗静电硝化棉薄膜的抗静电性能、力学性能以及微观形貌。结果表明, 当添加1%的碳系导电填料时, 抗静电硝化棉薄膜的表面电阻率和体积电阻率分别为: 2.2×109 Ω和7.5×109 Ω·m, 相比纯硝化棉, 分别降低了6个数量级和3个数量级。其静电火花感度为2.31 J, 相比纯硝化棉, 增大了14%, 显示最佳抗静电性能。力学性能参数有所提高, 说明导电填料的加入, 不会削弱硝化棉本身的力学性能。制品内部形成的均匀导电网络会使静电荷消散。

    Abstract:

    A kind of antistatic nitrocellulose (NC) membrane was successfully prepared via the liquid phase mixing complex method using NC as raw materials and selecting carbon series conductive filler to NC. The antistatic performance, mechanical property and microstructure of antistatic NC membrane were characterized by high resistance meter, static sensitivity tester, electronic universal testing machine and field emission scanning electron microscope, respectively. The results show that when 1.0% conductive filler is added, the surface resistivity and volume resistivity of the antistatic NC membrane are 2.2×109 Ω and 7.5×109 Ω·m. respectively. Compared with unmodified NC, the surface resistivity and volume resistivity of the antistatic NC membrane are reduced by 6 orders of magnitude and 3 orders of magnitude, respectively. The electrostatic spark sensitivity of the antistatic NC membrane is 2.31 J. Compared with unmodified NC the electrostatic spark sensitivity of the antistatic NC membrane is increased by 14%, revealing that the antistatic NC membrane has better antistatic performance. The mechanical property parameters of the antistatic NC membrane are improved, showing that the addition of conductive filler does not degrade the mechanical property of NC.The formation of interlaced conductive networks in the products is conduciue to the electrostatic charge dissipate.

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李怡,李兆乾,黄洪驰,等.硝化棉的抗静电性能[J].含能材料, 2013, 21(5):684-687. DOI:10.3969/j. issn.1006-9941.2013.05.025.
LI Yi, LI Zhao-qian, HUANG Hong-chi, et al. Improvement of Antistatic Ability of Nitrocellulose[J]. Chinese Journal of Energetic Materials, 2013, 21(5):684-687. DOI:10.3969/j. issn.1006-9941.2013.05.025.

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  • 收稿日期: 2013-01-10
  • 最后修改日期: 2013-03-23
  • 录用日期: 2013-03-29
  • 在线发布日期: 2013-10-12
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