聚合物包覆RDX覆盖度的表征

Pub Date : 2014-01-01 DOI:10.3969/J.ISSN.1006-9941.2014.01.012

Shuai Zhang, Jia Wang, Tianbo Zhao, H. Ding, Wei Jiang, Tianbo Zhao, G. Luo, Hui Huang

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引用次数: 3

摘要

以丙烯腈-苯乙烯(AS)共聚物、氟橡胶(F2311)、聚氨酯弹性体(Estane5701)和水性聚氨酯(wpu)为涂层原料，分别采用水悬浮涂覆法、喷雾涂覆法和破乳法制备了涂层R DX w。采用高效液相色谱法测定包覆颗粒，定量测定R DX的溶出量，计算R DX的粘接包覆度。比较了高效液相色谱(HPLC)、扫描电镜(SEM)和能谱(EDS)的表征效果。结果表明，以AS为原料，采用喷雾涂布法得到的涂覆颗粒包覆致密，与rdx表面物理接触良好。EDS没有检测到涂层不完全的情况。高效液相色谱法的覆盖度为96。24%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Characterization of the Coverage of Polymer-coated RDX

C oated R DX w ere prepared by w ater suspension coating method,spray coating method and demulsification method,using acrylonitrile-styrene( AS) copolymer,fluoro rubber( F2311),polyurethane elastomer( Estane5701) and w aterborne polyurethane( W PU) as coating raw materials,respectively. T he high performance liquid chromatography( HPLC) determination of coated particles,quantitative determination of the dissolution quantity of R DX and calculation of the adhesive coated degree of R DX w ere carried out. T he characterization efficacy of HPLC,scanning electron microscope( SEM) and energy dispersive spectroscopy( EDS) w as compared. R esults show that using AS as raw material,the coated particles obtained by spray coating method have dense coating and perfect physical contact w ith the surface of R DX. T he situation of incomplete coating is not detected by EDS. T he degree of coverage obtained by HPLC is 96. 24%.

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