Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Electrochromic material, and glare-proof rearview mirror containing electrochromic material

A technology of electrochromic materials and electrochromic layers, applied in the field of electroactive materials), can solve the problems of high manufacturing cost, reduced reflectivity, low synthesis recovery rate, etc., and achieve the effect of low manufacturing cost

Inactive Publication Date: 2018-03-09
E CHEM ENTERPRISE CORP
View PDF3 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] As is well known to engineers who are familiar with the production of anti-glare rearview mirrors, the electrochromic material disclosed in Taiwan Patent No. I265972 has the advantages of fast coloring speed and significantly reduced reflectivity. However, the electrochromic material is recycled due to material synthesis. The biggest disadvantage of high manufacturing cost due to low rate

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Electrochromic material, and glare-proof rearview mirror containing electrochromic material
  • Electrochromic material, and glare-proof rearview mirror containing electrochromic material
  • Electrochromic material, and glare-proof rearview mirror containing electrochromic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0072] In order to prove that the electrochromic material proposed by the present invention is indeed practicable, an exemplary manufacturing method of the electrochromic material will be listed below. The exemplary manufacturing method includes the following steps:

[0073] Step (1): Add 0.1 mole of 4,4'-bipyridine and 0.22 mole of 3-fluorobrominated phenyl into a first round bottom flask;

[0074] Step (2): adding acetonitrile to the first round bottom flask, and stirring the solution in the first round bottom flask;

[0075] Step (3): Heat the solution in the first round bottom flask to a first reaction temperature of 85° C., and maintain the reaction temperature for 48 hours; after that, half of the finished product can be observed in the first round bottom flask. The yield was 87%; wherein, the semi-finished product was 1,1-bis(3-fluorobrominated phenyl)benzyl-4,4'-bipyridinium dibromide (bipyridinium dibromide) in yellow solid;

[0076] Step (4): prepare an aqueous sol...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an electrochromic material, and a glare-proof rearview mirror containing the electrochromic material. The electrochromic material is a viologen compound, and the chemical structure of the viologen compound is represented by chemical formula (1) shown in the description; and in the chemical formula (1), each of X1 and X2 is halogen, and A<-> is a compensation ion. Comparedwith electrochromic materials having the disadvantage of high manufacturing cost due to too low material synthesis recovery rate in the prior art, the electrochromic material developed by especially modifying the chemical structure of the viologen compound has low manufacturing cost due to high material synthesis recovery rate. The glare-proof rearview mirror containing the electrochromic materialis different from electrochromic assemblies in the prior art, and has significant advantages in the reflectivity after discoloration.

Description

technical field [0001] The present invention relates to the technical field of electroactive materials, especially an electrochromic material used in anti-glare rearview mirrors. Background technique [0002] Electrochromism refers to the application of an electric field to an electroactive material, so that the electroactive material (electroactive material) undergoes a reversible reaction of oxidation or reduction under the action of the electric field, causing the energy level of the electroactive material to change, thus changing The optical properties of the material undergo a stable and reversible change in the visible wavelength range. The optical properties are, for example, transmittance, reflectivity or absorptivity. [0003] Electrochromic materials (electrochromic materials) are currently widely used in smart windows (smart windows), which can produce corresponding color changes under different voltages, thereby controlling the penetration and absorption of diff...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C09K9/02C07D213/04B60R1/08G02F1/15
CPCC09K9/02B60R1/083C07D213/04C09K2211/1029G02F1/15
Inventor 王尊武
Owner E CHEM ENTERPRISE CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com