十四醇-十六醇二元体系热致变色材料的研制

纺织学报 ›› 2016, Vol. 37 ›› Issue (01): 70-74.

十四醇-十六醇二元体系热致变色材料的研制

收稿日期:2014-10-27 修回日期:2015-09-24 出版日期:2016-01-15 发布日期:2016-01-14

Preparation of tetradecanol – hexadecanol binary mixture thermochromic materials

Received:2014-10-27 Revised:2015-09-24 Online:2016-01-15 Published:2016-01-14

摘要/Abstract

摘要：

为了拓宽有机可逆热致变色材料的变色温度范围，分别以结晶紫内酯为隐色剂，双酚A为显色剂，十四醇和十六醇为溶剂制备热致变色复配物，并通过对复配物变色性能评价分析确定隐色剂、显色剂、溶剂三者间的最佳配比；在此基础上，以十四醇-十六醇二元共晶体系为溶剂，首先通过理论推导预测二元共晶体系的理论最低共熔点，再通过实验确定二元共晶体系的实际最低共熔点，拓宽材料变色温度范围。结果表明：隐色剂、显色剂、溶剂三者间的最佳配比为1:4:65；通过色差分析和DSC分析得知，十四醇-十六醇二元共晶体系复配物变色效果较好，变色温度范围为20～43 ℃。

关键词: 结晶紫内酯, 二元共晶体系, 最低共熔点, 热致变色材料

Abstract:

In order to widen the thermochromic temperature of thermochromic materials, using crystal violet lactone (CVL) as chromophore, bisphenol A as developer and tetradecanol – hexadecanol binary mixture as solvent synthesized thermochromic materials. By comparing the thermochromic properties of different ratios of chromophore, developer and solvent, the optimal proportion was determined. According to binary eutectic system theory, the theoretical eutectic point was obtained, and then the actual eutectic point was obtained by experimental analysis. Experimental results showed that the optimal proportion of chromophore, developer and solvent is 1:4:65, and the color difference analysis and DSC analysis showed that the thermochromic properties of these tetradecanol – hexadecanol binary mixture thermochromic materials were good and the thermochromic temperature were between 20 ℃ to 43 ℃.

Key words: crystal violet lactone, binary eutectic system, eutectic point, thermochromic materials

高燕刘晓艳郝鸿飞张慧. 十四醇-十六醇二元体系热致变色材料的研制[J]. 纺织学报, 2016, 37(01): 70-74.

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