Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of preparation method of composite high infrared reflection nano pigment

An infrared reflection and nano-pigment technology, applied in the field of pigments, can solve problems such as difficult quality assurance, unfavorable industrial production, and cumbersome operation steps, and achieve the effects of improving storage stability, being suitable for large-scale production, and simple and controllable processes

Active Publication Date: 2020-11-06
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the pigment has the advantages of good thermal stability, good light stability, and high infrared reflectivity, it requires a wide variety of raw materials, resulting in cumbersome operation steps in the preparation process, and it is difficult to ensure quality in large-scale production, which is not conducive to industrial production. Production

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
  • A kind of preparation method of composite high infrared reflection nano pigment
  • A kind of preparation method of composite high infrared reflection nano pigment
  • A kind of preparation method of composite high infrared reflection nano pigment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] LaFeO 3 The preparation method:

[0047] First, place the beaker with 150ml of deionized water on a constant temperature magnetic stirrer, and adjust the temperature of the magnetic stirrer to 60°C. When the temperature of the magnetic stirrer rises to and stabilizes at 60°C, dissolve 3.002g of glycine in deionized water. After the glycine is fully dissolved, add 4.04g of ferric nitrate and 4.33g of lanthanum nitrate into the solution in sequence, and then Stir for 2h. After stirring, pour the above mixed solution into an evaporating dish, heat it on a universal electric stove at 120°C, the liquid begins to expand rapidly, and then the solution begins to burn violently in the evaporating dish, releasing a large amount of pungent smoke. Generate a fluffy powder, put the fluffy powder into an agate mortar and grind, calcinate the obtained powder at 600°C for 2 hours, and then grind it into a powder to obtain LaFeO 3 Nanocrystalline.

[0048] The preparation method of ...

Embodiment 2

[0051] LaFeO 3 The preparation method:

[0052] The difference from Example 1 is that the temperature of the magnetic stirrer is adjusted to 50°C; it is fully dissolved and then stirred for 130 minutes; it is heated on a universal electric furnace at 110°C; the obtained powder is calcined at 700°C for 2 hours, and then ground into In powder form, LaFeO can be obtained 3 Nanocrystalline.

[0053] The preparation method of composite high infrared reflection nano pigment:

[0054] Disperse 0.5g of PVP and 2ml of deionized water in 250ml of absolute ethanol for magnetic stirring, after P123 is fully dissolved, add 0.05g of LaFeO 3 For the matrix, set the stirring temperature to 60°C. When the temperature of the stirrer is stable at 60°C, add 2.5ml of butyl titanate, start timing when the butyl titanate is fully dissolved, and allow it to react for 3.5 hours. During this process, pH=8 was adjusted by adding ammonia water dropwise. TiO produced by the hydrolysis of butyl titan...

Embodiment 3

[0056] LaFeO 3 The preparation method:

[0057] The difference from Example 1 is that the temperature of the magnetic stirrer is adjusted to 70°C; it is fully dissolved and then stirred for 110 minutes; it is heated on a universal electric furnace at 130°C; the obtained powder is calcined at 800°C for 2 hours, and then ground into In powder form, LaFeO can be obtained 3 Nanocrystalline.

[0058] The preparation method of composite high infrared reflection nano pigment:

[0059] Disperse 5ml of Triton x-100 and 2ml of deionized water in 250ml of absolute ethanol for magnetic stirring. After P123 is fully dissolved, add 0.05g of LaFeO 3 For the matrix, set the stirring temperature to 60°C. Add 2.5ml of butyl titanate when the temperature of the stirrer is stable at 60°C, start timing when the butyl titanate is fully dissolved, and allow it to react for 4 hours. During this process, pH=8 was adjusted by adding ammonia water dropwise. TiO produced by the hydrolysis of butyl ...

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

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a preparation method of a composite high-infrared-reflecting nano-pigment, specifically: 1) dispersing P123 and deionized water in an appropriate amount of absolute ethanol for magnetic stirring; 2) adding LaFeO after the P123 is fully dissolved 3 , and set the stirring temperature, add butyl titanate after the temperature of the stirrer is stable, and add ammonia water dropwise to adjust the pH value; 3) After the reaction is completed, wash with water and ethanol several times until the impurities are completely removed, the upper solution is clarified, and centrifuged to obtain a precipitate ; 4) drying the precipitate obtained in step 3), putting it into a furnace for calcining after drying, and obtaining a composite high-infrared-reflecting nano-pigment after grinding. In a word, the obtained composite high infrared reflective nano-pigments prepared by the method of the present invention combine LaFeO 3 and TiO 2 Excellent performance, non-toxic, strong coloring ability, high infrared reflectivity, good chemical stability and so on.

Description

technical field [0001] The invention relates to the technical fields of pigments such as architecture, ceramics, textiles, etc., in particular to a preparation method of a composite high infrared reflection nano pigment. Background technique [0002] In recent years, pigments have been widely used in construction, ceramics, textiles and other fields. People's performance requirements for pigments are also getting higher and higher. Most of the traditional inorganic pigments are white and light-colored, which are easy to cause white light pollution and contain toxic components, causing pollution to the environment, and the traditional single-performance pigments can no longer meet the needs of all walks of life, so now the preparation of new nano-scale sub-nanometer High-grade materials to replace traditional single-performance pigments are a hot research topic in the field of materials today. Therefore, it is imperative to seek a green synthesis method and obtain a composi...

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
Patent Type & Authority Patents(China)
IPC IPC(8): C09C1/22C09C3/06B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C01P2006/90C09C1/22C09C3/063
Inventor 仝玉萍李克亮张天宇赵顺波王晗晗朱海弘张新中张海龙严亮马军涛梅婉婉刘焕强徐凯霍洪媛
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER