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Environmental protection type high performance emulsion paint

A latex paint, high-performance technology, applied in the field of latex paint, can solve the problems of poor scrub resistance, reduced physical performance index of coating film, increased coating toxicity, etc., and achieves the effect of low cost, high performance price ratio, and low VOC

Inactive Publication Date: 2003-12-24
刘文录
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the so-called ultra-low VOC latex paint products on the market now simply reduce the amount of organic additives added, but it will lead to a decrease in the physical performance indicators of the coating film after the latex paint is painted. According to the experimental data of the national authoritative organization It also shows that the lower the VOC, the worse the scrub resistance of the product, and the more serious the tendency of powder shedding of the paint film, that is, the mechanical properties of the paint are sacrificed to reduce the VOC
There are also some so-called low-VOC water-based latex paints on the market that add non-volatile phthalate raw materials. As a result, the VOC content of the paint is indeed reduced, but the toxicity of the paint is increased many times

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Water 10.0wt%, propylene glycol 1.2wt%, 2-amino-2-methyl-1-propanol 0.1wt%, anionic polycarboxylic acid 0.4wt%, isobutyl isobutyrate 2.0wt%, rutile titanium dioxide 5wt%, 30wt% of anatase titanium dioxide, 6wt% of 600-mesh ultrafine talc powder, add them to the disperser in the order they are arranged under stirring, stir at 1000rpm for 50 minutes, and then grind the materials to a fineness of 50μm; Adjust the rotating speed to 500rpm and then add 44.9wt% of styrene-acrylic emulsion, 0.1wt% of chelating titanate coupling agent, 0.2wt% of butanediol aqueous solution (active ingredient 25%) of polyurethane, 2-methyl-4- Isothiazolin-3-ketone (A), 5-chloro-2-methyl-4-isothiazolin-3-ketone (B) A: B=1: 3 antimicrobial preservatives 0.1wt% by arrangement Continue stirring for 60 minutes to obtain the finished product. The physical and chemical test results are shown in Table 1.

Embodiment 2

[0029] Water 15wt%, propylene glycol 0.8wt%, 2-amino-2-methyl-1-propanol 0.2wt%, anionic polycarboxylic acid 0.3wt%, isobutyl isobutyrate 2.5wt%, rutile titanium dioxide 7wt% %, 25wt% of anatase titanium dioxide, 8wt% of 1000-mesh ultrafine talc powder, add them to the disperser in the order they are arranged under stirring, stir for 40 minutes at a speed of 1200rpm, and then grind the material to a fineness of 50μm; adjust Rotate to 500rpm and then add 40.7wt% of styrene-acrylic emulsion, 0.2wt% of chelating titanate coupling agent, 0.1wt% of butanediol aqueous solution (active ingredient 25%) of polyurethane, 2-methyl-4-iso Thiazolin-3-ketone (A), 5-chloro-2-methyl-4-isothiazolin-3-ketone (B) A: B=1: 3 antibacterial preservatives 0.2wt% according to the order In the ground material successively, continue to stir for 60 minutes, obtain the finished product. The physical and chemical test results are shown in Table 1.

Embodiment 3

[0031] Water 10wt%, glycerol 1.0wt%, 2-amino-2-methyl-1-propanol 0.2wt%, anionic polycarboxylic acid 0.3wt%, 2,2,4-trimethyl-1,3 - 2.0wt% of pentanediol monoisobutyrate, 8wt% of rutile titanium dioxide, 25wt% of anatase titanium dioxide, 6wt% of 1200 mesh superfine talcum powder, add in the dispersing machine in sequence under stirring, Stir at a speed of 1400rpm for 50 minutes, then grind the material to a fineness of 50 μm; adjust the speed to 500rpm and then mix 47.1wt% of styrene-acrylic emulsion, 0.1wt% of chelating titanate coupling agent, and an aqueous solution of butanediol in polyurethane (Active ingredient 25%) 0.2wt%, 2-methyl-4-isothiazolin-3-one (A), 5-chloro-2-methyl-4-isothiazolin-3-one (B) A : B = 0.1wt% antimicrobial preservative composed of 1: 3 was ground in the material successively according to the arranged order, and continued to stir for 60 minutes to obtain the finished product. The physical and chemical test results are shown in Table 1.

[0032] ...

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PUM

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Abstract

An environmental protection type high-performance emulsion paint contains water, alcohol-type filming agent, 2-amino-2-methyl-1-propanol, anionic polycarboxylic acid, isobutyrate-type filming assistant, rutile-type titanium white powder, anatase-type titanium white powder, superfine talc powder, phenylpropane emulsion, chelated titanate as coupling agent, polyurethane a vheologic modifier, and antibacterial antiaseptic. Its advantages are low VOC, low poison and high mechanical performance.

Description

Technical field: [0001] The invention belongs to a latex paint, in particular to an environment-friendly high-performance latex paint with low content of volatile organic compounds. Background technique: [0002] Water-based latex paint for interior walls has become one of the main materials for home decoration of thousands of households. Compared with polyvinyl formal paints, latex interior wall paints widely used at present have eliminated toxic formaldehyde emission pollution and improved decorative properties. A big step forward in health. However, due to the addition of various additives containing volatile organic compounds (VOC) in most water-based latex paints during the production process, the volatilization of VOC after painting will also cause damage to human health. Experiments have shown that when the VOC in the room reaches a certain concentration, people will feel headache, nausea, vomiting, fatigue, etc., and in severe cases, convulsions and coma will occur,...

Claims

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Application Information

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IPC IPC(8): C09D5/02C09D125/14
Inventor 刘强刘桂花魏文珑李彦威
Owner 刘文录
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