纺织学报 ›› 2022, Vol. 43 ›› Issue (05): 38-42.doi: 10.13475/j.fzxb.20211108105

• 特约专栏:第十一届中国纺织学术年会专家观点 • 上一篇    下一篇

高灵敏温感变色微胶囊的制备及其在智能纺织品上的应用

王成成1,2, 龚筱丹1,2, 王振1,2, 马群旺1,2, 张丽平1,2, 付少海1,2()   

  1. 1.江苏省纺织品数字喷墨印花工程技术研究中心, 江苏 无锡 214122
    2.生态纺织教育部重点实验室(江南大学), 江苏 无锡 214122
  • 收稿日期:2021-11-18 修回日期:2022-02-21 出版日期:2022-05-15 发布日期:2022-05-30
  • 通讯作者: 付少海
  • 作者简介:王成成(1994—),女,博士生。主要研究方向为双稳态变色材料与智能可穿戴纺织品。
  • 基金资助:
    江苏省自然科学基金项目(BK20211240)

Preparation of binary thermochromic microcapsules and application in smart textiles

WANG Chengcheng1,2, GONG Xiaodan1,2, WANG Zhen1,2, MA Qunwang1,2, ZHANG Liping1,2, FU Shaohai1,2()   

  1. 1. Jiangsu Engineering Research Center for Digital Textile Inkjet Printing, Wuxi, Jiangsu 214122, China
    2. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
  • Received:2021-11-18 Revised:2022-02-21 Published:2022-05-15 Online:2022-05-30
  • Contact: FU Shaohai

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摘要：

针对温度刺激响应变色微胶囊变色温度区间大和变色滞后严重的问题,将带有酰胺基团的荧烷染料与十六醇均匀混合,制备了快速响应二元温感变色复配物;采用溶剂挥发法制备了高灵敏温感变色微胶囊,并通过丝网印花技术将微胶囊整理到织物上制备了高灵敏温感变色智能纺织品,分析了高灵敏温感变色微胶囊的表观形貌、粒径、核壳结构、热学性能和芯材负载量;研究了智能纺织品的形貌特征和变色性能。结果表明:高灵敏温感变色微胶囊的粒径为1 μm,芯材负载量约为65%,耐热稳定性较好;制备的高灵敏温感变色智能纺织品颜色鲜艳,变色区间为40~42 ℃,升温与降温过程的变色滞后小于1 ℃,变色灵敏度高。

关键词: 二元复配物, 温感变色, 微胶囊, 智能纺织品, 荧烷染料

Abstract:

Aiming at large temperature range and serious hysteresis of the temperature-response microcapsules, a fast response binary thermochromic complex was prepared by mixing fluorane dye with amide group and hexadecanol uniformly. The apparent morphology of the highly sensitive thermochromic microcapsules were studied by scanning electron microscope, transmission electron microscope and thermogravimetric analyzer. Color changing smart textiles were developed with strong temperature sensitivity, and the morphology characteristics of smart textiles and color performance were studied. The results show that the size of the prepared highly sensitive thermosensitive color-changing microcapsules is 1 μm, and the core material load was about 65%, with satisfactory thermal stability. The prepared smart textiles with high sensitivity and temperature change have bright color, and the color change range is 40-42 ℃. The color change lag of heating and cooling process is less than 1 ℃ and the color change sensitivity is high.

Key words: binary complex, thermochromic, microcapsule, smart textiles, fluorane dye

中图分类号: 

  • TS101.8

图1

红色二元温感变色复配物的变色实物图"

图2

高灵敏温感变色微胶囊电镜照片"

图3

高灵敏温感变色微胶囊热性能分析 注:a—二元温感变色复配物;b—聚甲基丙烯酸甲酯;c—微胶囊。"

图4

棉织物和高灵敏温感变色智能织物的SEM照片"

图5

智能变色织物在不同温度环境下的反射率曲线"

图6

高灵敏温感变色智能纺织品"

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