Radon-proofing wall surface paint

A wall paint and anti-mildew technology, which is applied in the field of architectural coatings, can solve the problems of easy penetration by radon, poor decorative effect, poor leveling, etc., and achieve the effect of good decorative effect, high radon prevention efficiency, and simple construction

Inactive Publication Date: 2004-07-28
上海展辰涂料有限公司
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  • Summary
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AI Technical Summary

Problems solved by technology

[0002] At present, in building decoration projects, coatings are generally used on building surfaces to prevent radon. However, due to the limitation of film-forming technology, the glass transition temperature of the emulsion is too high (greater than 30°C), and the particle size is

Method used

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Experimental program
Comparison scheme
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Embodiment Construction

[0033] A kind of anti-radon wall finish paint, its formula is, (weight ratio, unit kilogram)

[0034] ① Self-crosslinking styrene-acrylic acid copolymer emulsion 110

[0035] ②Sodium polycarboxylate dispersant 5.0

[0036] ③Isothiazolinone anti-mold and anti-algae agent 2.2

[0037] ④ Coating film compaction aid 8.5

[0038] ⑤ Rutile titanium dioxide 90.0

[0039] ⑥1000 mesh calcium carbonate 155.0

[0040] ⑦Associative thickener 5.0

[0041] ⑧Multifunctional regulator 0.8

[0042] ⑨Non-ionic solvent-free polyurethane leveling modifier 2.0

[0043] ⑩Water 131.5

[0044] The process method of the present invention is to add part of water in the dispersing tank, and then use a high-speed disperser to add sequentially in a low-speed dispersion state, 4.5-5.5 kg of sodium polycarboxylate disperser, 2.0-2.4 kg of isothiazolinones Anti-mildew and anti-algae agent, 7.5-9.5 kg of coating film compaction aid,...

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Abstract

The present invention relates to a radon-proof wall surface paint, belonging to a building paint. It mainly utilizes the poor-permeability water-tight film formed in the course of coating the wall surface paint made up by using self-crosslinked styrene-acrylic acid copolymer emulsion, titanium pigment and calcium carbonate, etc. according to its formula to prevent the radon gas from evolving outward, so that it has the advantages of high indoor radon-resisting efficiency, good decorative effect.

Description

technical field [0001] The invention relates to an architectural coating, in particular to a radon-proof wall finish. Background technique [0002] At present, in building decoration projects, coatings are generally used on building surfaces to prevent radon. However, due to the limitation of film-forming technology, the glass transition temperature of the emulsion is too high (greater than 30°C), and the particle size is large (greater than 1 μm). The coating film is not dense, easily penetrated by radon, and the anti-radon efficiency is not high, only about 60%, or the decorative effect is poor, the coating film is rough, poor in leveling, easy to crack, and cannot be applied to home decoration. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art and provide a radon-proof wall finish that can be used for home decoration. [0004] The present invention is achieved through the following s...

Claims

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Application Information

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IPC IPC(8): C09D125/14
Inventor 陈寿生叶荣森
Owner 上海展辰涂料有限公司
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