CAB对红外低发射率涂层性能的优化研究

孟雪; 徐国跃; 谭淑娟; 刘宁; 尤玲丽; 李卫

红外技术, 2017, 39 (3): 250, 网络出版: 2017-04-10

CAB对红外低发射率涂层性能的优化研究

Study on the Optimization of CAB on the Performance of Low-Infrared-Emissivity Coatings

论文大纲

孟雪 ^1,2徐国跃 ^1,2谭淑娟 ^1,2刘宁 ^1,2尤玲丽 ^1,2李卫 ^1,2

作者单位

¹ 南京航空航天大学材料科学与技术学院，江苏南京 210016

² 江苏协同创新中心，江苏南京 210016

红外发射率醋酸丁酸纤维素铝粉涂层 infrared emissivity cellulose acetate butyrate Aluminum powder coating

摘要

为了优化原有红外低发射率涂层的性能，向红外低发射率涂层中加入醋酸丁酸纤维素(CAB)，并对涂层进行红外发射率(8～14 μm)、扫描电子显微镜(SEM)、力学性能及耐盐水性能测试。结果表明：加入醋酸丁酸纤维素可以促使涂层中铝粉定向排列并形成 “镜面”结构，同时减少了涂层的表面缺陷，从而保证涂层发射率基本不变的情况下降低原有涂层的铝粉含量(由 40%降低到 30%)，且优化后的涂层力学性能及耐盐水性能都优于原有涂层。

Abstract

To optimize the performance of the original low infrared emissivity coatings, Cellulose Acetate Butyrate (CAB) is added into the coatings. Infrared emissivity (8-14 μm) of the coating is measured through IR-2, the effect of CAB on the surface of coatings is observed by scanning electron microscope (SEM), and the mechanical properties and salt water-resistant performance of the coatings are also tested. The results indicated that: CAB added into the coatings can make the flake aluminum powder oriented array and form the ‘mirror plate’ structure, and at the same time, it can also reduce the surface defects of the coatings. Furthermore, it will decrease the aluminum powder content (from 40% down to 30%) of the coatings on the premise that infrared emissivity changes little. In addition, the mechanical properties and salt water-resistant performance of the optimized coatings are better than those of the primary coatings.

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孟雪, 徐国跃, 谭淑娟, 刘宁, 尤玲丽, 李卫. CAB对红外低发射率涂层性能的优化研究[J]. 红外技术, 2017, 39(3): 250. MENG Xue, XU Guoyue, TAN Shujuan, LIU Ning, YOU Lingli, LI Wei. Study on the Optimization of CAB on the Performance of Low-Infrared-Emissivity Coatings[J]. Infrared Technology, 2017, 39(3): 250.

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