Electrochromic fiber and preparing method and application thereof

An electrochromic and electrochromic technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as inapplicable methods, complex structures, and inability to continuously prepare, and achieve simple preparation methods, simplified device structures, and low discoloration voltage. Effect

Active Publication Date: 2018-11-23
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide an electrochromic fiber and its preparation and application, so as to overcome the defects that existing electrochromic devices are complex in structure, existing methods such as magnetron sputtering and electrodeposition are not applicable, and cannot be continuously prepared , the structure of the electrochromic fiber device is simple, and the continuous preparation method can successfully prepare hundreds of meters of electrochromic fibers, realizing the long-term construction of electrochromic fibers

Method used

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  • Electrochromic fiber and preparing method and application thereof
  • Electrochromic fiber and preparing method and application thereof
  • Electrochromic fiber and preparing method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Using 1,1'-diethyl-4,4'-bipyridyl dibromide (EtVio) as a color-changing material, dissolve EtVio and ferrocene (both at a concentration of 20 mmol / L) at a molar ratio of 1:1 In PC, add BMIBF 4 and PVDF, stir evenly, PC, BMIBF 4 The mass ratio to PVDF is 1:0.34:0.55, and the electrochromic electrolyte active layer solution is prepared.

[0039] Self-built fiber continuous preparation device (see figure 1 ), the above solution is coated on the surface of the metal fiber through the solution tank, collected after high temperature curing, and the above steps are repeated until the thickness of the electrolyte active layer reaches about 60 μm. The hole diameter of the solution tank is 0.65mm, the fiber transmission speed is 3m / min, and the curing temperature is 130°C.

[0040] Prepare a polyethylene protective layer on the outer layer of the above fiber by extrusion, and wrap two metal wire outer electrodes in parallel on both sides of the above fiber, control the thickn...

Embodiment 2

[0047] Using EtVio as the color-changing material, dissolve EtVio and ferrocene (concentration: 5mmol / L) in PC at a molar ratio of 1:1, add BMIBF 4 and PVDF, stir evenly, PC, BMIBF 4 The mass ratio to PVDF is 1:0.34:0.55, and the electrochromic electrolyte active layer solution is prepared.

[0048] Self-built fiber continuous preparation device (see figure 1 ), the above solution is coated on the surface of the metal fiber through the solution tank, collected after high temperature curing, and the above steps are repeated until the thickness of the electrolyte active layer reaches about 15 μm. The hole diameter of the solution tank is 0.4mm, the fiber transmission speed is 3m / min, and the curing temperature is 130°C.

[0049] Prepare the polyethylene protective layer on the outer layer of the above fiber by extrusion, and wrap two metal wire outer electrodes in parallel on both sides of the above fiber, control the thickness of the protective layer to 1mm, and finally coll...

Embodiment 3

[0052] Using EtVio as the color-changing material, dissolve EtVio and ferrocene (concentration: 20mmol / L) in PC at a molar ratio of 1:1, add BMIBF 4 and PVDF, stir evenly, PC, BMIBF 4 The mass ratio of PVDF and PVDF is 1:0.34:0.55 to prepare the electrochromic electrolyte active layer solution.

[0053] Self-built fiber continuous preparation device (see figure 1 ), the above solution is coated on the surface of the metal fiber through the solution tank, collected after high temperature curing, and the above steps are repeated until the thickness of the electrolyte active layer reaches about 100 μm. The hole diameter of the solution tank is 1mm, the fiber transmission speed is 3m / min, and the curing temperature is 130°C.

[0054] Prepare a polyethylene protective layer on the outer layer of the above fiber by extrusion, and wrap two metal wire outer electrodes in parallel on both sides of the above fiber, control the thickness of the protective layer to 0.5mm, and finally c...

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Abstract

The invention relates to an electrochromic fiber and a preparing method and application thereof. The preparing method includes the steps that a metal wire is used as an electrode, the surface of the metal wire is coated with a viologen electrochromic electrolyte solution through fiber continuous construction equipment, heating solidifying is carried out, then external electrodes and a protection layer are prepared on the outer side, and the electrochromic fiber is obtained. The electrochromic fiber prepared with the method has good flexibility and discoloration performance, electrochromic fibers of 100 m or above can be continuously prepared, the problems that the electrochromic fiber is complex in structure, and cannot be continuously prepared are solved, and the electrochromic fiber hasgood application prospects in the field of intelligent garments.

Description

technical field [0001] The invention belongs to the field of electrochromic materials and their preparation and application, in particular to an electrochromic fiber and its preparation and application. Background technique [0002] In the modern textile and garment industry, colors are basically obtained by dyeing fibers and fabric surfaces through dyeing and finishing processes, and then realize color diversification through weaving and cutting. However, once these colors are dyed, they cannot be changed, and they will not change according to people's needs or changes in the environment. In recent years, with the popularization of wearable electronic products and the rise of the concept of smart clothing, the intelligent discoloration of clothing or fabrics has also attracted widespread attention in civilian fields such as fashion decoration, wearable display, and visual inspection. The scientific problem of intelligent and controllable change of clothing color has become...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/15
CPCG02F1/1525
Inventor 王宏志范宏伟徐开轩李耀刚张青红侯成义
Owner DONGHUA UNIV
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