Negative ion paint additive

A technology of negative ion coatings and additives, applied in the coating and other directions, can solve the problems of high cost of photocatalytic materials and inappropriate use in large quantities, and achieve the effect of excellent photocatalytic performance

Inactive Publication Date: 2005-04-20
BEIJING LANNO ENVIRONMENTAL PROTECTION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This nano-TiO 2 The cost of photocatalytic materials is high and it is not suitable to use them in large quantities

Method used

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  • Negative ion paint additive
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0062] Lithium tourmaline was used in Examples 1-5, and ingredients were prepared according to the weight percentages of the ingredients listed in Table 1, and mixed well and evenly.

[0063] The composition ratio of table 1 embodiment 1-5

[0064]

[0065] Note: the data in the table is weight %

[0066] Then each 200g of the negative ion paint additive powder obtained in embodiment 1-5 is evenly spread out and placed in volume and is 0.5m 3 After 24 hours, use the 1C-1000 type air ion tester to measure the negative ion concentration in the tank under the conditions of room temperature 25° C. and relative humidity 55%, and the obtained results are listed in Table 2. It should be noted that in order to compare, the tourmaline in Examples 1-5 in Table 1 is divided into two types of electron beam treatment and no electron beam treatment. In the case of electron beam treatment, the used is the defocused electron beam, and the parameters during processing a...

Embodiment 6

[0076] Using the mixed ultrafine powder of the above-mentioned embodiment 4, it is subjected to an electron beam activation strengthening treatment by using a defocused electron beam, and the treatment conditions are the same as those used in the above-mentioned embodiments 1-5. Then use the mixed ultrafine powder processed by the electron beam, cooperate with sodium polyacrylate (as anionic dispersant), ethylene glycol and deionized water in the ratio shown in Table 3, and obtain the negative ion coating additive slurry.

[0077] Table 3 Composition of negative ion coating additive slurry

[0078]

[0079] Note: the data in the table is weight %

[0080] Then, add 2% by weight of negative ion paint additive slurry of the present embodiment in a kind of Libang brand interior wall latex paint that buys on the market, make the paint film that size is 300 * 300mm (paint consumption is 150-160g paint / m 2 ) 6 pieces. In a simulation cabin with a volume of ...

Embodiment 7

[0083] Carry out the artificial poisoning of formaldehyde, ammonia and benzene vapor in advance in a simulation cabin of 200 liters, measure the content of these three kinds of gases contained therein, then add 6 pieces of coating membranes that contain negative ion additive identical with embodiment 6 , placed airtight for 48 hours and then measured the content of these three gases, based on which the removal rate of these three gases was obtained. The results obtained are shown in Table 4.

[0084] formaldehyde

[0085] As can be seen from the results of Table 4, the coating containing the negative ion coating additive of the present invention has a very high removal capacity to several common toxic gases (formaldehyde, ammonia, benzene) when usually carrying out indoor decoration.

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Abstract

Negative ion paint additive is characterized in that, wherein contains (weight %): tourmaline superfine powder 40-60, nanometer TiO 2 Photocatalytic powder 0.5-5, topaz superfine powder 2-35, TiO 2 and / or SiO 2 Ultrafine powder (residue), and the above-mentioned tourmaline ultrafine powder has been processed through electron beam activation intensification in advance, and the conditions of this treatment are: electron beam accelerating voltage 10-50kV, electron beam current 100-200mA, electron beam irradiation area 2-10cm 2 , The thickness of the powder is 0.5-2cm, and the longitudinal movement speed of the powder is 0.5-2m / min. The negative ion coating additive of the present invention has strong negative ion generation ability, so its consumption is small, the effect is high, and there is no radioactive hazard. At the same time, it can effectively remove formaldehyde, ammonia, benzene, VOC and other odorous gases.

Description

technical field [0001] The invention relates to the field of coatings, more specifically, an anion coating additive. Background technique [0002] The effect of negative air ions on human health has been confirmed by the scientific and technological circles as early as the beginning of the last century. In the 20th century, especially in the past 20 years, air pollution has become more and more serious. With the development of modern cities, high-rise buildings and asphalt concrete roads are everywhere, and negative ions from the sky and underground have dropped sharply. Decoration materials release a large amount of harmful substances, the growth of bacteria and mold brought by indoor air conditioners, coupled with electromagnetic waves everywhere, lead to an increase in the concentration of harmful substances in the air, especially in indoor air, and a decrease in the concentration of negative ions. The medical community reminds that the current Indoor air quality is most...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/12
Inventor 苍凤华富洁辛民穆晖
Owner BEIJING LANNO ENVIRONMENTAL PROTECTION SCI & TECH
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