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Citation: Qianqian Qian, Saisai Liu, Lu Jiang, Gang Liu, Ronglan Wu. Color Changeable Shape Memory Material[J]. University Chemistry, ;2020, 35(4): 161-167. doi: 10.3866/PKU.DXHX201912012 shu

Color Changeable Shape Memory Material

Key Laboratory of Oil & Gas Fine Chemicals, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, P. R. China

Received Date: 30 November 2019

In this experiment, shape memory materials were prepared by using polyvinyl alcohol and tannic acid as the raw material. The inorganic thermochromic materials were prepared by using ethylene diamine tetraacetic acid, copper chloride dihydrate, magnesium chloride hexahydrate and alumina as the raw material. Organic thermochromic materials were prepared by using violet lactone, boric acid and cetyl alcohol as the raw material. The shape memory materials were combined with thermochromic materials to successfully prepare two new composite polymers which can not only remember the shape but also change the color. The experimental materials are simple and easy to obtain, and the method is simple. This experiment uses radical polymerization, chemical cross-linking reaction, complexation reaction, etc., studied in the undergraduate courses of organic chemistry, inorganic chemistry, instrumental analysis, and fine chemical chemistry, and can be used as a comprehensive experiment in undergraduate laboratory teaching to improve students' hands-on ability, stimulate interest and enthusiasm in learning chemistry.
- Polyvinyl alcohol,
- Tannic acid,
- Shape memory,
- Thermochromic,
- Comprehensive experiment
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