新材料与新技术

三组分热致变色微胶囊的制备及性能研究

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  • 北京服装学院服装材料研究开发与评价北京市重点实验室,北京市纺织纳米纤维工程技术研究中心,北京100029
毛冬宇(1995-),女,硕士研究生,主要研究方向为热致变色微胶囊。

收稿日期: 2019-02-11

  网络出版日期: 2022-11-01

基金资助

北京市服装材料研究开发与评价北京市重点实验室开放课题(2018ZK-4);北京市教委项目(KM201910012009)

Preparation and property of three-composition thermochromic microcapsule

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  • Beijing Key Laboratory of Clothing Materials R&D and Assessment,Beijing Engineering Research Center of Textile Nanofiber,Beijing Institute of Fashion Technology,Beijing100029

Received date: 2019-02-11

  Online published: 2022-11-01

摘要

以结晶紫内酯、双酚A和十四醇为原料,制备热致变色复配物。通过正交试验,确定三者之间的比例为m(结晶紫内酯)∶m(双酚A)∶m(十四醇)=1∶4∶70,搅拌温度为70℃、搅拌时间为2h,在此条件下制备的热致变色复配物变色效果最好。以热致变色复配物为芯材,明胶-阿拉伯树胶为壁材,通过复凝聚法制备热致变色微胶囊,在高剪切分散乳化机转速为3500r/min、固化时间为3h时,可获得表面光滑的球状微胶囊。制备的热致变色微胶囊变色性能、耐热性能及耐酸碱性能良好。

本文引用格式

毛冬宇, 刘红茹, 王晓春 . 三组分热致变色微胶囊的制备及性能研究[J]. 化工新型材料, 2020 , 48(7) : 76 -80 . DOI: 10.19817/j.cnki.issn 1006-3536.2020.07.018

Abstract

A thermochromic compound was prepared by using crystal violet lactone,bisphenol A and tetradecanol as raw materials.Through orthogonal experiments,the ratio between the three was determined to be m(crystal violet lactone)∶m(bisphenol A)∶m(tetradecanol)=1∶4∶70,and stirring temperature was 70℃ and stirring time was 2h,the thermochromic compound prepared under these conditions had the best discoloration effect.The microcapsules were prepared by the complex coacervation method using the thermochromic compound as the core material and gelatin-arabin gum as the wall material.The preparation conditions were as follows:the emulsification speed was 3500r/min,and the curing time was 3h,the spherical microcapsules with surface smooth were obtained.Prepartion of thermochromic microcapsule with good color-changing properties,heat resistance and acid-base resistance.

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