Coating and preparation method thereof

A coating and mixture technology, applied in the field of building decoration materials, can solve the problems of no anti-radon function, single antibacterial function of antibacterial coating, poor market application prospects, etc., and achieve the effect of good environmental performance and scrub resistance

Active Publication Date: 2014-08-13
福州展辰新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The antibacterial coating provided by the prior art only has a single antibacterial function, but does not have the function of preventing radon, and the market application prospect is relatively poor

Method used

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  • Coating and preparation method thereof
  • Coating and preparation method thereof

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preparation example Construction

[0062] The invention provides a kind of preparation method of coating, comprises the following steps:

[0063] 1), under the condition of stirring at a low speed, mix 8 parts by weight to 18 parts by weight of water, 0.3 parts by weight to 1 part by weight of dispersant, 1 part by weight to 2 parts by weight of film-forming aids, 1 part by weight to 4 parts by weight The anti-mold and antibacterial agent in parts by weight and the defoamer in 0.1 to 0.5 parts by weight are first mixed to obtain the first mixture, and the speed of the low-speed stirring is 300 rpm to 400 rpm;

[0064] 2) Under the condition of the first medium-speed stirring, the first mixture, 2 to 5 parts by weight of nano-antibacterial powder, and 6 to 10 parts by weight of nano-adsorbent are mixed for the second time to obtain the second For the mixture, the speed of the first medium-speed stirring is 700 rpm to 800 rpm;

[0065] 3), under the condition of second medium-speed stirring, the second mixture i...

Embodiment 1

[0083] With the water of 16g, the propylene glycol of 0.5g, the dispersant of 0.7g, the wetting agent of 0.3g, the film-forming aid of 1.5g, the antifungal agent of 2g, the defoamer of 0.2g and the preservative of 0.2g Mix uniformly under the condition of 300 rpm to obtain the first mixture.

[0084] Under the condition of 700 rev / min, add 20g of titanium dioxide, 9g of nano-calcium carbonate and 3g of nano-antibacterial agent to the above-mentioned first mixture and mix, and the mixed material obtained is dispersed for 30 min under the condition of 1000 rev / min. Minutes, a second mixture with a particle size of 30 microns was obtained.

[0085] Under the condition of 750 rpm, add 42.7g of nano-styrene-acrylic emulsion and 5g of nano-silicon-acrylic emulsion to the second mixture for mixing, and add 0.6g of thickener to the obtained mixture to obtain a viscosity of 100KU the third mixture.

[0086] 0.2 g of a pH regulator was added to the above third mixture to obtain a coat...

Embodiment 2

[0090] The water of 12g, the propylene glycol of 1g, the dispersant of 0.5g, the wetting agent of 0.2g, the film-forming aid of 1.2g, the anti-mildew and antibacterial agent of 4g, the defoamer of 0.2g and the preservative of 0.2g are in Mix uniformly under the condition of 400 rpm to obtain the first mixture.

[0091] Under the condition of 800 rev / min, add 23g of titanium dioxide, 8g of nano-calcium carbonate and 4g of nano-antibacterial agent to the above-mentioned first mixture and mix, and the mixed material obtained is dispersed for 30 min under the condition of 1200 rev / min. Minutes, a second mixture with a particle size of 30 microns was obtained.

[0092] Under the condition of 700 rpm, add 37.8g of nano-styrene-acrylic emulsion and 7g of nano-silicon-acrylic emulsion to the second mixture for mixing, and add 0.8g of thickener to the resulting mixture to obtain a viscosity of 100KU the third mixture.

[0093] 0.1 g of a pH regulator was added to the above third mixt...

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Abstract

The invention provides a coating, comprising the following raw materials in parts by weight: 8-18 parts of water, 0.3-1 part of a dispersant, 1-2 parts of a coalescing agent, 1-4 parts of a moldproof antibacterial agent, 0.1-0.5 parts of a defoamer, 2-5 parts of nanometer antibacterial powder, 6-10 parts of a nano adsorbent, 30-50 parts of styrene-acrylic nanometer emulsion, 5-9 parts of nanometer silicone-acrylic emulsion and 0.1-0.3 parts of a pH modifier. The coating provided by the invention forms a shielding film which is poor in breathability and watertight by the styrene-acrylic nanometer emulsion, escape of a radon gas is prevented, meanwhile, the nano adsorbent can absorb radon ions, escape of the radon gas is further reduced, and the nanometer antibacterial powder and the moldproof antibacterial agent act with each other, so that the coating provided by the invention can effectively reduce the concentration of bacteria, and prevent microbial pollution. Therefore, the coating provided by the invention has the antibacterial and radon-proof functions.

Description

technical field [0001] The invention relates to the technical field of building decoration materials, in particular to a paint and a preparation method thereof. Background technique [0002] As people pay more attention to their own health, the living environment they live with has attracted more and more attention. A survey on the biological pollution of the living environment shows that the total number of bacteria in the rural living environment is 138.94cfu / cm 2 , the total number of bacteria in the urban living environment is 72.10cfu / cm 2 . It can be seen that the pollution caused by microorganisms in the living environment cannot be ignored. With the improvement of people's requirements for environmental safety, the development of coatings with antibacterial functions is an important direction for the development of the coatings industry. Applying antibacterial coatings to households can effectively reduce the bacterial density of living rooms, furniture surfaces, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D133/00C09D5/14C09D5/00C09D7/12
Inventor 罗智明陈寿生
Owner 福州展辰新材料有限公司
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