Electrochromic fiber and preparation method and application thereof

Abstract

The invention belongs to the field of functional fibers and particularly relates to an electrochromic fiber and a preparation method and application thereof. The electrochromic fiber comprises a composite material in a three-layer structure which comprises a coating layer, a middle layer and a core layer sequentially from outside to inside, wherein the coating layer is a protective layer, the middle layer is an electrochromic layer, and the core layer is a conductive layer. The conductive layer is made of a conductive layer material with an electrothermal effect; the electrochromic layer is prepared according to a thermal softening wire-drawing method, and a preformed rod of the electrochromic layer comprises a hole structure; the conductive layer material penetrates a hole of the preformed rod, and the conductive layer serving as the core layer is prepared in the electrochromic layer while the electrochromic layer is obtained according to the thermal softening wire-drawing method. Inuse of the electrochromic fiber, the conductive layer material emits heat under an electrified condition, and the electrochromic layer material of the middle layer gives play to a color changing function under the thermal action of the conductive layer.

Description

technical field

[0001] The invention belongs to the field of functional fibers, and more specifically relates to an electrothermochromic fiber, its preparation method and application. Background technique

[0002] With the development of wearable technology, people have higher and higher requirements for the functionalization and intelligence of materials. Consumers also put forward higher requirements for textiles. The functions of textiles and clothing are gradually expanding to the demand market. Controllable discoloration is only Smart fabrics have broad research prospects in the fields of military stealth, fashion, smart home and civilian clothing. Therefore, color-changing fibers and smart fabrics have become a hot field of exploration and research by scholars from all over the world. Among them, the color-changing fibers are mainly divided into two categories, active color-changing fibers that need power supply and passive color-changing fibers that do not need power ...

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