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溶剂-非溶剂法制备抗静电硝化棉复合材料及其性能表征

火炸药学报(2016)

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Abstract
以硝化棉和导电填料为原料,采用溶剂-非溶剂法制备了抗静电硝化棉复合材料.通过扫描电子显微镜,体积表面电阻测定仪,非接触式静电压测试仪,热分析仪表征了抗静电硝化棉复合材料的微观形貌,抗静电性能及热分解性能.结果表明,导电填料质量分数为0.6%的抗静电硝化棉复合材料内部导电网络分布均匀,完整,体积电阻率和表面电阻率分别为1.02×109Ω·m和4.66×1010Ω,较硝化棉分别降低5个数量级和3个数量级,达到GJB2527-1995弹药防静电要求,且制备过程中静电电位为0.20kV,较硝化棉降低77.8%,显示了良好的抗静电性能;其表观分解热为259.4J/g,较硝化棉提高81.4J/g.更多还原
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Key words
antistatic nitrocellulose composite,solvent-nonsolvent
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