红外技术, 2019, 41 (1): 92, 网络出版: 2019-03-23  

不同粘合剂对水杨醛类席夫碱涂层的发射率

Effect of Different Adhesives on the Emissivity and Thermochromic of Salicylaldehyde Schiff Base Coatings
作者单位
南京航空航天大学材料科学与技术学院, 江苏南京 211106
摘要
用溶液法合成了 3种不同结构的水杨醛类席夫碱填料, 并分别与 2种粘合剂丙烯酸( AAS)和环氧树脂(EP)通过喷涂法制备出 6种涂层; 为了研究粘合剂 AAS和 EP对水杨醛类席夫碱涂层的发射率和热致变色性能的影响, 我们通过红外光谱仪和紫外 -可见光谱仪表征水杨醛类席夫碱填料微观结构; TG-DSC表征填料稳定性; 并分别测量了 20~240℃范围内填料和涂层的热致变色情况以及在 3~5 .m和 8~14 .m波段的红外发射率。结果表明, 两种粘合剂的加入对热致变色几乎没有影响。 EP与填料形成的涂层更接近填料的发射率。综合考虑发射率和热致变色两个因素, EP更适合作为粘合剂与水杨醛席夫碱类填料形成热致变色涂层。
Abstract
In this paper, three kinds of salicylaldehyde Schiff-base fillers with different structures were synthesized via a solution synthesis method, and six kinds of coatings were prepared by spray-coating the fillers with two kinds of adhesive acrylics (AAS) and epoxy resin (EP) respectively. In order to study the effects of adhesives on emissivity and thermochromic properties of salicylaldehyde Schiff base coatings, the microstructures of salicylaldehyde Schiff base fillers were characterized using IR and UV. TG-DSC was used to characterize the stability of the fillers. The thermochromism properties and infrared emissivity at 3-5 .m and 8-14 .m of the fillers and coatings were measured at 20-40℃. The results show that the addition of the two kinds of adhesives barely affects the thermochromism properties. The infrared emissivity of the coating constructed by EP is closer to that of the fillers. Apparently, EP is a more suitable binder to form coatings with salicylaldehyde Schiff base fillers by considering both emissivity and thermochromism.

石梦雨, 徐晨, 徐国跃, 刘初阳, 谭淑娟, 王磊. 不同粘合剂对水杨醛类席夫碱涂层的发射率[J]. 红外技术, 2019, 41(1): 92. SHI Mengyu, XU Chen, XU Guoyue, LIU Chuyang, TAN Shujian, WANG Lei. Effect of Different Adhesives on the Emissivity and Thermochromic of Salicylaldehyde Schiff Base Coatings[J]. Infrared Technology, 2019, 41(1): 92.

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