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Purifying and antibacterial shell powder inorganic coating and preparation method thereof

A technology of inorganic coatings and shell powder, applied in the field of building decoration materials, can solve the problems of poor water resistance, low decoration, and damage to the microporous structure of shell powder

Inactive Publication Date: 2020-11-03
贝卡乐(北京)生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the product process is simple and low-pollution, but using a large amount of redispersible latex powder as a binder, the cost of adding nano-functional materials is relatively high, and the paint provides decoration by adding pigments, which may bring heavy metal pollution, and the decoration is relatively low. Poor; patent CN 103011682B, this product uses inorganic nanomaterials and shell powder in-situ composite technology to process shell powder, which improves the antibacterial and anti-mildew properties of shell powder materials Calcination at 500°C destroys the microporous structure of shell powder and attenuates the functions of shell powder itself in terms of humidity control and adsorption of harmful substances
Using polyvinyl alcohol as the main component of the adhesive as a film-forming substance, poor water resistance is not suitable for interior wall coatings with water vapor permeability, and the decoration is not high, it is difficult to meet the requirements of designers

Method used

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  • Purifying and antibacterial shell powder inorganic coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Preparation of purification functional material: Take 100kg of deionized water, heat it to 50°C, add 95kg of ethylene urea into the water, and disperse it with a disperser until it is completely dissolved and reaches a saturated state. Keep constant temperature, keep stirring speed of 200r / min, add wetting and dispersing agent 5040 1kg, defoamer NXZ 1kg, add sepiolite powder 100kg to the solution, then put the paste in an oven at 60 degrees Celsius and dry to constant weight , to prepare purification materials for later use.

[0029] Preparation of pomegranate peel plant antibacterial material: pulverize pomegranate peel and sieve 200 meshes to obtain dry powder; stir dry powder and ethanol solution according to the mass ratio of 1:10, use ultrasonic cell pulverizer for 1 hour, and vacuum filter the filtrate. Then concentrate under reduced pressure to extract the natural plant extract. Dilute the paste extract with deionized water into a solution of 10% active ingredie...

Embodiment 2

[0032] Preparation of purification functional material: Take 90kg of deionized water, heat it to 50°C, add 10kg of adipic hydrazide to the water, and disperse it with a disperser until it is completely dissolved and reaches a saturated state. Keep constant temperature, keep stirring speed of 200r / min, add wetting and dispersing agent 5040 1kg, defoamer NXZ 1kg, add magnesium aluminum silicate powder 100kg to the solution, then put the paste into the oven at 60 degrees Celsius and dry to Constant weight, prepared purified materials for use.

[0033] Preparation of camphor tree leaf plant antibacterial material: crush camphor tree leaves and sieve 200 meshes to obtain dry powder; after stirring the dry powder and ethanol solution evenly according to the mass ratio of 1:10, use an ultrasonic cell pulverizer for 1 hour, and vacuum filter the filtrate. Then concentrate under reduced pressure to extract the natural plant extract. Dilute the paste extract with deionized water into a...

Embodiment 3

[0036] Preparation of purification functional material: Take 100kg of deionized water, heat it to 50°C, add 95kg of ethylene urea into the water, and disperse it with a disperser until it is completely dissolved and reaches a saturated state. Keep constant temperature and keep the stirring speed of 200r / min, add wetting and dispersing agent 5040 1kg, defoamer NXZ 1kg, add magnesium aluminum silicate powder 30kg to the solution, then put the paste into the oven at 60 degrees Celsius and dry to Constant weight, prepared purified materials for use.

[0037] Preparation of pomegranate peel plant antibacterial material: crush camphor leaves and sieve 200 meshes to obtain dry powder; stir the dry powder and ethanol solution evenly according to the mass ratio of 1:10, use an ultrasonic cell pulverizer for 1 hour, and vacuum filter the filtrate. Then concentrate under reduced pressure to extract the natural plant extract. Dilute the paste extract with deionized water into a solution ...

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Abstract

To overcome the defects that existing shell powder decorative coating has a protective effect and lacks functionality and an organic system is easily infected with bacteria and mould, the invention provides inorganic crosslinking system interior wall decorative coating with purification and antibacterial functions. The inorganic crosslinking system interior wall decorative coating is prepared fromthe following components: non-calcined shell powder, powder functional filler, a purification functional material, a natural plant antibacterial composite material, an inorganic crosslinking agent, VOC-free acrylic emulsion, other functional aids and the like. Meanwhile, the invention discloses a preparation method of the shell powder inorganic coating with the purifying and antibacterial functions. The purifying and antibacterial shell powder inorganic coating provided by the invention can be widely applied to the surfaces, wall surfaces and the like of indoor decorative materials, has excellent conventional performance, also has relatively high strength and air permeability, does not contain pollutants such as VOC and formaldehyde, and also has purifying and antibacterial functions.

Description

[0001] 1. Technical field: [0002] The invention belongs to the field of building decoration materials, and mainly relates to an interior wall decoration coating with environmental health functions. It is a healthy decorative coating product with ecological and environmental protection function and zero VOC emission. [0003] 2. Background technology: [0004] With the development of the country's economy and industry, the pollution of the human living environment by toxic and harmful substances in water, soil and the atmosphere has been highly valued by people and has become an urgent problem to be solved. Inorganic dry powder wall materials have become the focus of home decoration designers and paint R&D engineers because they do not contain solvents and have no VOC emissions. They are also the development trend of healthy functional paints in the future. [0005] As a natural, cheap and resource-rich powder material, shell powder is made by deep cleaning or high-temperatur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/14C09D5/18C09D7/61C09D7/62C09D7/63C09D7/65
CPCC09D1/04C09D5/14C09D5/18C09D7/61C09D7/62C09D7/63C09D7/65
Inventor 陈鑫
Owner 贝卡乐(北京)生物科技有限公司
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