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Transparent outer wall nano coating and preparation method thereof

A nano-coating, transparent technology, applied in antifouling/underwater coatings, radiation-absorbing coatings, alkali metal silicate coatings, etc., to achieve good resistance to wet and dry alternation, strong ultraviolet absorption and visible light response function, selectivity wide range of effects

Active Publication Date: 2018-03-27
安徽纳微技术研发中心有限公司
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The present invention is mainly aimed at the technical problem that urban vehicle exhaust and industrial waste gas discharged into the atmosphere become the main pollution sources in the city, and the purpose is to provide a new transparent exterior wall nano-coating that can purify outdoor air

Method used

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  • Transparent outer wall nano coating and preparation method thereof
  • Transparent outer wall nano coating and preparation method thereof
  • Transparent outer wall nano coating and preparation method thereof

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Embodiment 1～5 and comparative Embodiment 1

[0021] The preparation steps of the transparent exterior wall nano-coating for purifying air are as follows (raw materials, proportioning and process parameters of each embodiment are as shown in Table 1):

[0022] Step 1, in the mixing tank filled with water, slowly add the photocatalyst and the composite photocatalytic activator successively under stirring at a rate of 250rpm;

[0023] Step 2: Stir at 350rpm and add the dispersing treatment agent; after stirring and dispersing for 20 minutes, add the composite dispersant and defoamer accounting for 50% of the total amount of defoaming agent in turn, and then adjust to 900rpm and stir and disperse for 50 minutes;

[0024] Step 3, adjust to 350rpm speed, slowly add water-based binder, stir for 20 minutes, then slowly add anti-pollution agent in turn, stir and mix for 10-30 minutes, preferably 15-20 minutes, then add the remaining amount of defoamer, stir evenly to obtain the right The nano-coating for transparent exterior wall...

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Abstract

The invention discloses a transparent outer wall nano coating and a preparation method thereof. The transparent outer wall nano coating comprises an aqueous adhesive, a composite dispersant, a dispersion treatment agent, a photocatalyst, a composite photocatalysis stimulator and water. The transparent outer wall nano coating disclosed by the invention comprises the following components in parts byweight: a photocatalyst, namely 2-2.8 parts of nano titanium dioxide and 1-2 parts of nano cerium oxide, a composite photocatalysis stimulator, namely 0.2-0.3 part of nano aluminum oxide, 0.2-0.3 part of nano cadmium oxide, 0.5-0.8 part of nano rare earth and 0.1-0.2 part of a silane treatment agent, a composite dispersing agent, namely 0.6-0.8 part of lauryl sodium sulfate and 0.3-0.4 part of triethanolamine, an aqueous adhesive, namely 20-22 parts of lithium silicate, 10 parts of silica gel, 0.1-0.2 part of an organic silicon defoaming agent, and 63 parts of water. The transparent outer wall nano coating disclosed by the invention is capable of adsorbing and decomposing pollutant sources in outdoor air with or without ultraviolet rays.

Description

technical field [0001] The invention belongs to the technical field of chemical coatings, and in particular relates to a nano-coating for transparent exterior walls and a preparation method thereof. Background technique [0002] In the past 40 years of reform and opening up, my country's urban construction has changed with each passing day, and the chemical industry, automobile manufacturing industry, and real estate industry have developed rapidly. At the same time, mines, forests, and green land have all been exploited, felled, and developed in a brutal and disorderly manner. The ecological environment has been seriously damaged, the environment and climate are deteriorating day by day, natural disasters occur frequently, air pollution is serious, smog weather is increasing, causing harm to human health, and the living environment of human beings has been seriously threatened. In recent years, the country has paid more and more attention to environmental protection. The c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/16C09D5/32C09D7/63C09D7/61
CPCC09D1/04C09D5/14C09D5/1618C09D5/1656C09D5/1687C09D5/32
Inventor 谢明义
Owner 安徽纳微技术研发中心有限公司
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