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Paint composition and preparation method thereof

A composition and coating technology, applied in the direction of starch coating, coating, etc., can solve the problems of expensive raw material prices, restricting development, difficulty in automation, large-scale industrial production, etc., to reduce potential hazards, stable coating, excellent The effect of chemical stability

Active Publication Date: 2012-02-08
DRAGON BRAND COATINGS (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, based on cost considerations, this method is difficult to apply to automated, large-scale industrial production
[0010] Although the method of AOP to remove indoor air pollution has the advantages of safety and high efficiency, its relatively expensive raw material price also restricts its further development.

Method used

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  • Paint composition and preparation method thereof
  • Paint composition and preparation method thereof
  • Paint composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The specific surface area is 150-200m 2 The titanium dioxide powder of the rutile structure that the / g range content is 2wt% is mixed with the zeolite that grinds 5wt%, and adds the dehydrated alcohol solution that is 2: 1 with this powder mass ratio, stirs with the speed of 2000rpm in the ball mill at room temperature 20min, form the mixed powder of photocatalyst coating adsorbent; Add the mixed powder that forms in the ethanol solvent of 20wt% and fully mix, and add the starch of 3wt% and the alkylphenol polyoxyethylene ether of 0.5wt% successively, and with 2000rpm Stir at a high speed until it is evenly stirred; finally add 5wt% lauryl sulfate and the rest of water and mix well. Finally, a photocatalyst coating composition is obtained.

Embodiment 2

[0037] Compared with Example 1, the difference is that the photocatalyst used is tungsten oxide, and the photocatalyst coating composition finally obtained.

Embodiment 3

[0039] Compared with Example 1, the difference is that the photocatalyst used is a mixture of tungsten oxide and titanium dioxide of the rutile phase, and the contents of the tungsten oxide and the titanium dioxide of the rutile phase are each 1 wt%, and finally obtained photocatalyst coating composition.

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Abstract

The invention provides a photocatalyst paint composition, comprising 0.5-10wt% of photocatalyst, 5-15wt% of adsorbent, 5-10wt% of dispersing agent, 3-5wt% of binder, 0.5-3wt% of foaming agent, 10-30wt% of organic solvent and the balance of water. The paint composition is characterized in that the adsorbent is in a mixed powder structure in which the adsorbent is cladded by the photocatalyst. The photocatalyst paint composition can be applied to surface of interior wall material and can remove indoor air pollution for a long term, so as to create a safe and clean indoor environment for human.

Description

technical field [0001] The application relates to a coating composition and a preparation method thereof; in particular, to a photocatalyst coating composition coated on the surface of indoor building materials and a preparation method thereof, for removing indoor air pollution. Background technique [0002] According to research by relevant international organizations, 30% of the world's new and rebuilt buildings have indoor air pollution that is harmful to health. According to a survey released by China Consumers Association, the indoor air test in Beijing showed that the formaldehyde concentration exceeded the standard rate by 73.3%, and the highest exceeded the standard by 40 times. Also according to the survey of relevant international organizations, about 2.8 million people die directly or indirectly from the indoor air pollution of decoration every year in the world, and the human health problems caused by it have become a hot issue that people pay attention to. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D103/02C09D7/12C09D1/00
Inventor 李启宏俞建华李娜
Owner DRAGON BRAND COATINGS (BEIJING) CO LTD
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