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Nano-titanium water-based coating having long-acting resistance to formaldehyde

A water-based coating, nano-titanium technology, applied in polyester coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of polluting the environment, slow release of formaldehyde, affecting the effect of decomposing formaldehyde, etc. Adsorption performance, the effect of reducing formaldehyde pollution

Inactive Publication Date: 2010-12-22
江苏大象东亚制漆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the dark night, nanomaterials lose the function of decomposing formaldehyde, and cannot last for a long time, which affects the effect of decomposing formaldehyde
As a result, a lot of formaldehyde is still slowly released into the air to pollute the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The present embodiment provides a kind of anti-formaldehyde nano-titanium water-based coating used as putty, and its weight ratio is composed of: 25% of water-based polyurethane resin, 34% of 1250 mesh talc powder, 10% of bamboo charcoal powder with a particle diameter of not more than 100 microns, granule 3% of nano-titanium with a diameter not greater than 100 nanometers, 8% of additives, and 20% of deionized water.

[0014] Among them, the film-forming base material is selected from one-component water-based polyurethane, the filler is selected from 1250 mesh talc powder, the diameter of bamboo charcoal powder particles is not greater than 100 microns, and the diameter of nano-titanium particles is not greater than 100 nanometers.

[0015] Preparation process: Stir all kinds of raw materials evenly, and prepare the paint.

[0016] Paint film performance indicators: smooth appearance, 0.5h surface dry, 8h hard work, easy to polish, formaldehyde decomposition rate 96% ...

Embodiment 2

[0018] The present embodiment provides a formaldehyde-resistant nano-titanium water-based coating used as a primer, and its weight proportion is composed of: 30% of water-based styrene-acrylic emulsion, 10% of titanium dioxide, 18.5% of 1250 mesh talcum powder, 8% of bamboo charcoal powder, nano Titanium 2.5%, additives 6%, water 25%.

[0019] Preparation process: According to the general production process of architectural latex paint, the paint is prepared by mixing and grinding.

Embodiment 3

[0021] The present embodiment provides a kind of anti-formaldehyde nano-titanium water-based coating used as a top coat, and its weight ratio is composed of: water-based polyurethane resin 45%, titanium dioxide 20%, bamboo charcoal powder 6%, nano-titanium 2%, auxiliary agent 5% , Water 22%.

[0022] Preparation process: According to the general production process of architectural latex paint, the paint is prepared by mixing and grinding.

[0023] Paint film performance indicators: smooth appearance, 0.5h surface dry, 8h solid dry, contrast ratio 0.93, formaldehyde decomposition rate 98% (30d).

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Abstract

The invention discloses a nano-titanium water-based coating having long-acting resistance to formaldehyde. The nano-titanium water-based coating comprises the following components by weight percentage: 20%-60% of film-forming base material, 0%-30% of pigment, 0%-40% of filler, 5%-20% of bamboo charcoal powder, 2%-10% of nano titanium, 1%-10% of additive and 10%-30% of water. Based on the good absorption performance of the bamboo charcoal powder in the coating, the water-based coating of the invention is capable of absorbing the formaldehyde released from the coating and decomposing the formaldehyde by using the nano-titanium, thus reducing the pollution caused by formaldehyde in a long-acting and effective way and improving the indoor air.

Description

technical field [0001] The invention relates to a long-acting anti-formaldehyde nano-titanium water-based paint. Background technique [0002] The No. 153 Bulletin released by the World Health Organization in 2004 determined that formaldehyde is a carcinogenic and teratogenic substance. Formaldehyde is a recognized allergen, is also one of the potential strong mutagen, and is also one of the risk factors leading to childhood leukemia. According to domestic medical journals and related literature reports, the hazards of indoor formaldehyde to human health can be summarized as stimulating, toxic and carcinogenic. [0003] Formaldehyde is contained in paints such as wood, boards, furniture, walls, etc. in the family room, but what is even more frightening is that the release period of formaldehyde is generally three to fifteen years. Nano-materials can generate negative ions and have the function of decomposing formaldehyde. Among them, nano-titanium dioxide has the best effe...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D167/08C09D175/04C09D125/14C09D7/12
Inventor 杨少武陈春连刘纪元黄雷艾小芳
Owner 江苏大象东亚制漆有限公司
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