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Nanometer anti-radon antibacterial latex paint

A latex paint and nanotechnology, applied in latex paint, coating and other directions, can solve the problems of easy penetration by radon, poor decorative effect, poor leveling and other problems, and achieve good decorative effect, high anti-radon efficiency and simple construction. Effect

Active Publication Date: 2010-03-03
珠海展辰新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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 relatively large (greater than 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, and easy to crack, so it cannot be applied to home decoration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Formula, (parts by weight):

[0027] Nano polyacrylate emulsion 115 parts

[0028] Coalescent 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate 8.5 parts

[0029] Dispersant sodium polycarboxylate 5.0 parts

[0030] Anti-mildew and anti-algae agent isothiazolinones 2.2 parts

[0031] Antibacterial agent nano titanium dioxide 85.0 parts

[0032] Filling material nano calcium carbonate 145 parts

[0033] Radioactive absorber nano barium metaborate 150.0 parts

[0034] Associative thickener 5.0 parts

[0035] PH regulator 2-amino-2-methyl-1-propanol 0.8 parts

[0036] Non-ionic solvent-free polyurethane leveling modifier 2.0 parts

[0037] 151.5 parts of water

[0038] The particle diameters of the antibacterial agents nano-titanium dioxide, nano-calcium carbonate and nano-barium metaborate are 60, 30 and 80 nanometers respectively;

[0039] Preparation method: After mixing all materials, stir evenly.

[0040] The radioactive radon detection agency, Shanghai Enviro...

Embodiment 2

[0058] Nano polyacrylate emulsion 95.0 parts

[0059] Coalescing aid 7.5 parts

[0060] Dispersant sodium polycarboxylate 4 parts

[0061] Anti-mildew and anti-algae agent 2.4 parts

[0062] Antibacterial agent nano titanium dioxide 70 parts

[0063] Filling material nano calcium carbonate 125 parts

[0064] 50 parts of radioactive absorbent nano barium metaborate

[0065] 4.5 parts of associative thickener

[0066] PH regulator 0.6 parts

[0067] Leveling modifier 1.5 parts

[0068] 31.5 parts of water

[0069] The particle diameters of the antibacterial agents nano-titanium dioxide, nano-calcium carbonate and nano-barium metaborate are 65, 35 and 70 nanometers respectively;

[0070] The preparation method is the same as in Example 1.

[0071] According to the standard GB18582-2008 "Limits of Hazardous Substances in Interior Wall Coatings for Interior Decoration and Renovation Materials", the content of harmful substances is as follows:

[0072] Free formaldehyde 55...

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PUM

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Abstract

The invention provides nanometer anti-radon antibacterial latex paint, which comprises the following components in portion by weight: 95.0 to 115.0 portions of nanometer polyacrylate emulsion, 7.5 to9.5 portions of film-forming additives, 4.5 to 5.5 portions of sodium polycarboxylate serving as dispersant, 2.0 to 2.4 portions of anti-mildew anti-algae agent, 70.0 to 90.0 portions of nanometer titanium dioxide serving as antimicrobial agent, 125.0 to 145.0 portions of nanometer calcium carbonate serving as filler, 50.0 to 150.0 portions of nanometer barium metaborate serving as radioactive absorbent, 4.5 to 5.5 portions of associative thickener, 0.6 to 1.0 portions of pH regulator, 1.5 to 2.5 portions of leveling modifier, and 31.5 to 151.5 portions of water. The latex paint forms water-proof shielding film with bad air permeability in the coating process, has the advantages of high indoor anti-radon efficiency, good decorative effect, easy construction and the like, and can be used asanti-radon material for modern families, high-radioactivity buildings and underground buildings.

Description

technical field [0001] The invention relates to a kind of architectural paint, in particular to nano anti-radon antibacterial latex paint. 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 relatively large (greater than 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 object of the present invention is to provide a kind of anti-radon antibacterial latex paint of nanometer, to overcome the above-mentioned deficiencies in the prior art. [0004] Nano anti-radon antibacterial l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/02C09D7/12
Inventor 叶荣森刘顺
Owner 珠海展辰新材料股份有限公司
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