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Environmentally-friendly photocatalyst air freshening inner wall coating and preparation method thereof

A technology for fresh air and interior wall coatings, applied in coatings and other directions, can solve problems such as poor ability to remove harmful gases and poor stability

Inactive Publication Date: 2012-01-25
ANHUI MEIJIA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the deficiencies in the prior art, one of the purposes of the present invention is to solve the problems of poor gas removal ability and poor stability of the paint for decoration in the prior art. The present invention provides a photocatalyst air-fresh interior wall paint and its The preparation method, the coating uses photocatalytic materials and negative ion generating materials, can effectively purify indoor air pollution, has the advantages of continuous and stable effect, and prevents secondary pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The raw materials used are calculated in parts by weight: 30% of acrylic copolymer emulsion, 2% of nano-titanium dioxide in anatase phase, 2% of magnesium tourmaline, 1% of polyoxyethylene polyol ether, 0.5% of sodium polycarboxylate, nitrogen-containing organic 1% of heterocyclic compound, 1% of potassium hydroxide, 1% of glycerin, 2% of diatomaceous earth, 2% of lauryl alcohol, 2% of modified polyacrylamide, and the balance is water.

[0027] Nano-titanium dioxide, negative ion generating materials, wetting agents, dispersants, preservatives, pH regulators, antifreeze, diatomaceous earth, film-forming aids, and water weighed according to the formula are mixed with a 22KW high-speed frequency conversion mixer. While feeding and stirring in the tank, increase the speed to 1700 rpm after the feeding is completed, and carry out mechanical emulsification of the above-mentioned mixture to make an intermediate slurry with a fineness of 50um; and then put the prepared intermed...

Embodiment 2

[0029] The raw materials used are calculated in parts by weight: 40% of acrylic acid copolymer emulsion, 3% of nano-titanium dioxide in anatase phase, 2% of ferrite tourmaline, 2% of polyoxyethylene polyoxyacrylic acid block copolymer, 1% of sodium polyacrylate, 1% of nitrogen-containing organic heterocyclic compound, 1% of dimethylethanolamine, 1% of glycerol, 1% of diatomaceous earth, 1% of lauryl alcohol, 1% of modified polyacrylamide, and the balance is water.

[0030] Nano-titanium dioxide, negative ion generating materials, wetting agents, dispersants, preservatives, pH regulators, antifreeze, diatomaceous earth, film-forming aids, and water weighed according to the formula are mixed with a 22KW high-speed frequency conversion mixer. While feeding and stirring in the tank, increase the speed to 1600 rpm after the feeding is completed, and carry out mechanical emulsification of the above-mentioned mixture to make an intermediate slurry with a fineness of 45um; and then put...

Embodiment 3

[0032] The raw materials used are calculated by weight: 35% of acrylic copolymer emulsion, 4% of nano-titanium dioxide in anatase phase, 2% of lithium tourmaline, 2% of polyoxyethylene alkaryl ether, 0.5% of polysiloxane, nitrogen-containing 1% of organic heterocyclic compound, 1% of potassium hydroxide, 1% of glycerol, 2% of diatomaceous earth, 2% of lauryl alcohol, 2% of modified polyacrylamide, and the balance is water.

[0033] Nano-titanium dioxide, negative ion generating materials, wetting agents, dispersants, preservatives, pH regulators, antifreeze, diatomaceous earth, film-forming aids, and water weighed according to the formula are mixed with a 22KW high-speed frequency conversion mixer. While feeding and stirring in the tank, increase the speed to 1500 r / min after the feeding is completed, and carry out mechanical emulsification of the above-mentioned mixture to make an intermediate slurry with a fineness of 50um; and then put the prepared intermediate slurry in ano...

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PUM

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Abstract

The invention discloses an environmentally-friendly photocatalyst air freshening inner wall coating and a preparation method thereof. The coating comprises the following raw materials in percentage by weight: 20-40 percent of silicone-acrylic emulsion or ethylene-acrylic acid copolymer emulsion, 1-5 percent of anatase-phase nano-titanium dioxide, 2-2.5 percent of negative ion generating material, 1-2 percent of wetting agent, 0.5-1 percent of dispersing agent, 1 percent of preservative, 1 percent of pH regulating agent, 1-2 percent of anti-freezing agent, 1-2.5 percent of diatomite, 1-2 percent of film forming aid, 1-2 percent of thickening agent and the balance of water. In the coating, a photocatalysis material and the negative ion generating material are used, so that indoor air pollution can be eliminated effectively, and the coating has the advantages of stable lasting effect and avoidance of secondary pollution.

Description

technical field [0001] The invention relates to a coating for interior decoration, in particular to an environment-friendly photocatalyst air freshening interior wall coating. By compounding photocatalyst materials and negative ion generating materials, the coating solves the shortcomings of current coatings with single function and poor indoor air treatment effect. Background technique [0002] The pollution of interior decoration materials and furniture is currently the main aspect of indoor air pollution. Materials such as paint, plywood, particle board, foam filler, interior wall paint, and plastic veneer contain more than 300 kinds of volatile organic compounds (TVOC). Formaldehyde, ammonia, benzene and other toxic gases released by decorative materials, as well as various molds, viruses, and peculiar smells in the room have seriously endangered people's health and living environment. According to statistics, indoor environmental pollution has caused 35.7% of respirato...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D133/02C09D7/12
Inventor 王方银王峰
Owner ANHUI MEIJIA NEW MATERIAL
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