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Thermal response photonic crystal with color swatch function based on thermochromic system and preparation method of thermal response photonic crystal

A photonic crystal, thermochromic technology, used in color-changing fluorescent materials, chemical instruments and methods, material analysis by observing the impact on chemical indicators, etc., can solve the problem of difficult to distinguish color changes, and achieve low cost and wide application. Foreground effect

Inactive Publication Date: 2019-12-03
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, changes due to intrinsic angle dependence can have an impact on responsiveness results, making responsiveness-induced color changes indistinguishable

Method used

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  • Thermal response photonic crystal with color swatch function based on thermochromic system and preparation method of thermal response photonic crystal
  • Thermal response photonic crystal with color swatch function based on thermochromic system and preparation method of thermal response photonic crystal
  • Thermal response photonic crystal with color swatch function based on thermochromic system and preparation method of thermal response photonic crystal

Examples

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Embodiment 1

[0035] ① Prepare a tin dioxide inverse protein color film with a pore size of 368nm by the template method, specifically: add the tin dioxide precursor dropwise on the polystyrene template and infiltrate it naturally; place it in a muffle furnace after the solvent evaporates calcined to obtain the anti-protein structure color film,

[0036]The polystyrene template is prepared by emulsion polymerization. The specific preparation method is: Weigh 0.016g of sodium lauryl sulfate and dissolve it in 135ml of deionized water, stir at 300r / min in a 250ml three-necked flask; heat in a water bath to 85 After the temperature is stable, add 15g of styrene monomer; after 15 minutes, add 0.15g of potassium persulfate, stir and react for 5 hours at 85°C; heat the obtained emulsion on a heating plate at 70°C for convective self-assembly, and the opal structure template can be obtained .

[0037] ②The leuco agent (thermosensitive red TF-R 2 ), chromogenic agent (bisphenol A), and phase chan...

Embodiment 2-7

[0041] Replace tin dioxide inverse protein photonic crystals with titanium dioxide inverse protein photonic crystals, zinc oxide inverse protein photonic crystals, zirconia inverse protein photonic crystals, cerium oxide inverse protein photonic crystals, tantalum pentoxide inverse protein photonic crystals, niobium oxide inverse protein photonic crystals For photonic crystals, other conditions are consistent with those in Example 1.

Embodiment 8

[0043] The thermosensitive red in embodiment 1 is changed into thermosensitive green, and other conditions are consistent with embodiment 1.

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Abstract

The invention relates to a thermal response photonic crystal with a color swatch function based on a thermochromic system, in particular to a preparation method of a thermal response photonic crystalwith a color swatch function based on a thermochromic system, and belongs to the field of preparation of responsiveness materials and chromogenic materials. According to the thermal response photoniccrystal with the color swatch function based on the thermochromic system, materials are composed of anti-protein photonic crystals and a thermochromic system material filling anti-protein structure pores of the anti-protein photonic crystals, wherein the thermochromic system material is composed of a color hiding agent, a chromogenic agent and a phase change material. Responsiveness to external thermal stimulation is realized by the obtained materials, and mutual conversion of structure color and pigmentary color is realized through external thermal stimulation.

Description

technical field [0001] The invention relates to a thermally responsive photonic crystal with color switching function based on a thermochromic system, in particular to a preparation method of a thermally responsive photonic crystal with a color switching function based on a thermochromic system, which belongs to the preparation of responsive materials and chromogenic materials field. Background technique [0002] Photonic crystals are divided into opal structure and inverse opal structure. Due to its large specific surface area, strong charge transport ability, and controllable size, the inverse opal structure has drawn more and more attention from researchers. Usually, the inverse opal structure is prepared by the template method. Using the opal structure as a template, the precursor is filled into the pores of the opal structure, and then the template is removed to obtain the corresponding inverse opal structure. Based on the advantages of the inverse opal structure, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K9/02G01N21/78
CPCC09K9/02G01N21/78
Inventor 唐炳涛刘芳芳张淑芬
Owner DALIAN UNIV OF TECH
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