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Wall paint containing nano-titanium dioxide and preparation method for wall paint

A technology of nano-titanium dioxide and wall paint, which is applied in the direction of coating, etc., can solve the problems of reduced photocatalytic performance of nano-titanium dioxide coating, inability to solve the problem of compatibility, and the dispersion of nano-titanium dioxide particles to achieve uniform fraction, air purification, and efficacy lasting effect

Inactive Publication Date: 2012-01-25
DONGGUAN TOMORROW NANO SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual production, it was found that the nano-titanium dioxide solution sol was added to the coating system and then flocculated into a large particle size and precipitated. When the nano-titanium dioxide particles were flocculated, the photocatalytic performance of the nano-titanium dioxide coating was greatly reduced.
The existing technology cannot solve the problem of compatibility between anatase-type nano-titanium dioxide solution sol below 10 nanometers and the coating system and the dispersibility of nano-titanium dioxide particles in the coating system

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A wall paint containing nano-titanium dioxide, the contained components and the mass percentages of each component are as follows:

[0033] Nano Titanium Dioxide 0.1%;

[0034] Emulsion 20%;

[0035] Titanium dioxide 25%;

[0036] Filler 40%;

[0037] Film former 2%;

[0038] Auxiliary 0.5%;

[0039] Distilled water 17.4%;

[0040] The nano titanium dioxide is anatase nano titanium dioxide less than 10 nanometers; the emulsion is pure acrylic emulsion. The filler is selected from one or a combination of calcium carbonate, diatomaceous earth, kaolin or talcum powder. The film forming agent is selected from pentylene glycol monoisocyanate. The auxiliary agent is a bactericide, a fungicide, and a wetting agent. The bactericide is selected from methylisothiazolinone; the fungicide is selected from carbendazim. The wetting agent is selected from nonionic surfactant silicone copolymers.

[0041] The preparation method of the above-mentioned wall paint containing nan...

Embodiment 2

[0047] A wall paint containing nano-titanium dioxide, the contained components and the mass percentages of each component are as follows:

[0048] Nano Titanium Dioxide 1.0%;

[0049] Emulsion 30%;

[0050] Titanium dioxide 15%;

[0051] Filler 30%;

[0052] Film former 1%;

[0053] Auxiliary 3%;

[0054]Distilled water 20%;

[0055] The nano-titanium dioxide is anatase nano-titanium dioxide less than 10 nanometers; the emulsion is acrylic acid emulsion. The filler is a mixture of diatoms and talcum powder. The film forming agent is selected from pentylene glycol monoisocyanate. The auxiliary agent is a bactericide, a fungicide, a wetting agent, a defoamer, an antifreeze, and a pH regulator. The bactericide is selected from methylisothiazolinone; the antifungal agent is n-octylisothiazolinone. The wetting agent is selected from nonionic surfactant silicone copolymers. The defoamer is a water-based paint defoamer. The pH regulator is selected from organic ammonia AMP...

Embodiment 3

[0062] A wall paint containing nano-titanium dioxide, the contained components and the mass percentages of each component are as follows:

[0063] Nano Titanium Dioxide 0.5%;

[0064] Emulsion 25%;

[0065] Titanium dioxide 20%;

[0066] Filler 35%;

[0067] Film former 1%;

[0068] Auxiliary 2%;

[0069] Distilled water 16.5%;

[0070] The nano-titanium dioxide is anatase nano-titanium dioxide less than 10 nanometers; the emulsion is a styrene-acrylic emulsion. The filler is kaolin. The film forming agent is selected from pentylene glycol monoisocyanate. The auxiliary agent is one or a mixture of bactericides, fungicides, wetting agents, thickeners or leveling agents. The fungicide is selected from methylisothiazolinone; the fungicide is selected from the mixture of carbendazim and n-octylisothiazolinone. The wetting agent is selected from nonionic surfactant silicone copolymers. The thickener is selected from water-based polyurethane and hydrophobic acrylic liquids...

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PUM

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Abstract

The invention provides wall paint containing nano-titanium dioxide and a preparation method for the wall paint. The wall paint comprises the following components in percentage by mass: 0.1 to 1.0 percent of nano-titanium dioxide, 20 to 40 percent of emulsion, 15 to 25 percent of titanium white, 10 to 40 percent of filler, 0.5 to 2 percent of film-forming agent, 0.5 to 3 percent of aid and 12 to 30 percent of distilled water, wherein the nano-titanium dioxide is anatase nano-titanium dioxide with the particle size of less than 10nm; and the emulsion is pure acrylic emulsion or vinyl acetate / acrylic emulsion or styrene-acrylic emulsion. The wall paint solves the problems about the intermiscibility of anatase nano-titanium dioxide lyosol with the particle size of less than 10nm and a coating system and the dispersibility of nano-titanium dioxide particles in the coating system, and has a good effect of purifying the air.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a wall paint containing nano titanium dioxide and a preparation method thereof. Background technique [0002] Scientific research shows that the release of harmful substances such as formaldehyde and benzene in home decoration materials takes 10-15 years, or even longer, seriously affecting people's life and health. Therefore, people have higher and higher requirements for the environmental performance of decorative materials in the process of home decoration. As one of the main materials for interior decoration, wall paint has received special attention for its environmental performance. At present, the commonly used environmentally friendly wall paints on the market are mainly water-soluble paints, latex paints, colorful paints and ceramic paints. However, although this type of wall paint basically does not contain harmful organic substances such as formaldehyde and benzene,...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D125/14C09D7/12
Inventor 梁斓
Owner DONGGUAN TOMORROW NANO SCI & TECH
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