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A kind of energy-saving and brightness-enhancing functional coating for indoor use and preparation method thereof

A technology of functional coatings and raw materials, applied in the direction of luminescent coatings, chemical instruments and methods, coatings, etc., can solve the problem of less application, and achieve the effects of good dispersion, good structural property stability, and high saturation

Active Publication Date: 2020-11-10
SHANXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of application, its optical properties, especially the up-conversion characteristics of light, have attracted much attention, but at present it is mainly concentrated in biological imaging and labeling, and there are few other applications

Method used

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  • A kind of energy-saving and brightness-enhancing functional coating for indoor use and preparation method thereof
  • A kind of energy-saving and brightness-enhancing functional coating for indoor use and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0057] 1. Preparation of CDs

[0058] 1) Put 0.45g glucose and 0.32g aspartic acid in a 100ml beaker, add 1mol L -1 3ml of NaOH aqueous solution, after being fully stirred, placed in an oil bath, heated to 150°C for 30-40 minutes to obtain a solid product;

[0059] 2) After natural cooling, dialyze for 24 hours;

[0060] 3) Freeze-drying the carbon quantum dot aqueous dispersion dialyzed in step 2) to obtain the purified target carbon quantum dots.

[0061] 2. Preparation of UCPL-CDs

[0062] 1) Take out the silk from the boiled white cocoon, then wash it with distilled water and dry it with a hair dryer;

[0063] 2) Mix 0.04g silk and 4mL 0.1mol L -1 Put the NaOH aqueous solution into a 25mL polytetrafluoroethylene reactor and heat at 190°C for 3 hours to obtain a UCPL-CDs aqueous dispersion;

[0064]3) After the reaction kettle was naturally cooled, the UCPL-CDs aqueous dispersion was centrifuged at a speed of 16,500 rpm for 15 minutes to remove non-fluorescent precipi...

Embodiment 2

[0071] The CDs in Step 1 of Step 3 in Example 1 were replaced with UCPL-CDs, the amount of feed was unchanged, and the other steps were the same as in Example 1 to obtain an energy-saving and brightening functional coating for indoor use.

Embodiment 3

[0073] Add UCPL-CDs on the basis of Step 1 in Step 3 in Example 1, and the feeding amount is 1.5g CDs and 1.5g UCPL-CDs respectively, and other steps are the same as in Example 1 to obtain energy-saving and brightening functional coatings for indoor use.

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Abstract

The invention discloses indoor energy-saving and brightening functional coating and a method for preparing the same, and belongs to the technical field of waterborne coating. The method includes (1),proportionally uniformly stirring and mixing high-energy excitation fluorescent carbon quantum dots, low-energy excitation up-conversion fluorescent carbon quantum dots, nanometer calcium carbonate, thickening agents, film-forming agents, defoaming agents, wetting agents, dispersing agents and water with one another to obtain mixed liquid; (2), adding acrylic emulsion into the mixed liquid and uniformly stirring and mixing the acrylic emulsion and the mixed liquid with each other at the high speed to obtain semi-finished products of the indoor energy-saving and brightening functional coating;(3), filtering the semi-finished products by 200-mesh gauze elements to obtain the indoor energy-saving and brightening functional coating which is target coating. The indoor energy-saving and brightening functional coating and the method have the advantages that the novel carbon quantum dots are bound with the indoor energy-saving and brightening functional coating, the optical characteristics that light in ultraviolet bands (ranging from 200 nm to 380 nm) and light in infrared bands (broader than 780 nm) can be absorbed by the carbon quantum dots and visible fluorescence can be emitted by the carbon quantum dots are utilized, accordingly, invisible ultraviolet rays and infrared rays can be converted into visible light, the utilization rate of indoor rays can be greatly increased, and energy-saving and brightening effects can be realized by the indoor energy-saving and brightening functional coating.

Description

technical field [0001] The invention relates to an energy-saving and brightening functional coating for indoor use and a preparation method thereof, belonging to the technical field of water-based coatings. Background technique [0002] Paint is a material that adheres to the surface of the material to achieve the purpose of beautification and protection. With the continuous progress and development of social science, the traditional single coating can no longer meet the needs of the use. Under the existing technical conditions, the functionalization of the coating can be realized by adding different modified substances into the coating. Under the general trend of the earth's energy being depleted day by day, the global energy crisis is intensifying day by day, and energy conservation and efficient use of energy have become particularly important. As an important industrial industry, coatings are also expected to play a role in this. Therefore, as an interior decoration mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D5/22C09D7/61C09D7/63C09K11/65
CPCC08K2003/265C08K2201/011C09D5/22C09D7/61C09D7/63C09D133/04C09K11/65C08K13/02C08K3/26C08K3/346C08K3/34C08K5/42
Inventor 刘雪峰张慧林芦冬涛董川
Owner SHANXI UNIV
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