Building coating and preparation process thereof

A technology of architectural coatings and preparation technology, applied in the direction of coatings, etc., can solve the problems of low coatings, high cost, and inability to apply buildings, etc., and achieve the effect of reducing greenhouse effect and environmental pollution

Inactive Publication Date: 2013-06-26
NINGBO SANLI NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the middle and low-grade architectural coatings on the market have unsatisfactory water resistance and anti-fouling properties. If the water resistance and anti-fouling properties of the entire coating are to be improved to an ideal level, it is often necessary to increase the high cost; and common coatings It is also affected by the ambient temperature. In summer, the temperature of the building surface rises, which causes the temperature of the building coating to rise. In winter, the building coating will decrease accordingly. It cannot be applied to buildings with seasonal changes.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A kind of architectural paint, described architectural paint is made up of the following components according to weight percentage: 60% water-soluble urea-formaldehyde resin, titanium dioxide, water compounding, 5% polyvinyl alcohol, 2% ethylene glycol, 2% plasticizer Agent, 1% emulsifier, 1% hydrophobic agent, 6% dimethyl phthalate, 11% triaryl methane betaine, 2% vanadium oxide.

[0015] Water-soluble urea-formaldehyde resin: titanium dioxide: water is 10%: 50%: 40%.

[0016] Mix water-soluble urea-formaldehyde resin, titanium dioxide, water, polyvinyl alcohol, ethylene glycol, plasticizer, emulsifier, dimethyl phthalate, triarylmethane betaine, and vanadium oxide according to the ratio;

[0017] Stir and heat to 95 degrees, grind for 45 minutes, and grind at a speed of 500 rpm;

[0018] Cool down to 50 degrees, add a proportioned amount of hydrophobic agent, stir and react for 20 minutes, and the finished product can be prepared.

Embodiment 2

[0020] A kind of architectural paint, described architectural paint is made up of the following components according to weight percentage: 80% water-soluble urea-formaldehyde resin, titanium dioxide, water compound, 8% polyvinyl alcohol, 8% ethylene glycol, 5% plasticizer Agent, 3% emulsifier, 6% hydrophobic agent, 6% dimethyl phthalate, 11% triaryl methane betaine, 2% vanadium oxide.

[0021] Water-soluble urea-formaldehyde resin: titanium dioxide: water is 10%: 50%: 40%.

[0022] Mix water-soluble urea-formaldehyde resin, titanium dioxide, water, polyvinyl alcohol, ethylene glycol, plasticizer, emulsifier, dimethyl phthalate, triarylmethane betaine, and vanadium oxide according to the ratio;

[0023] Stir and heat to 80°C, grind for 60 minutes, and grind at a speed of 500 rpm;

[0024] Cool down to 40 degrees, add a proportioned amount of hydrophobic agent, stir and react for 30 minutes, and the finished product can be prepared.

Embodiment 3

[0026] A kind of architectural paint, described architectural paint is made up of the following components according to weight percentage: 70% water-soluble urea-formaldehyde resin, titanium dioxide, water compounding, 6% polyvinyl alcohol, 6% ethylene glycol, 4% plasticizer Agent, 2% emulsifier, 4% hydrophobic agent, 6% dimethyl phthalate, 11% triaryl methane betaine, 2% vanadium oxide.

[0027] Water-soluble urea-formaldehyde resin: titanium dioxide: water is 20%: 40%: 30%.

[0028] Mix water-soluble urea-formaldehyde resin, titanium dioxide, water, polyvinyl alcohol, ethylene glycol, plasticizer, emulsifier, dimethyl phthalate, triarylmethane betaine, and vanadium oxide according to the ratio;

[0029] Stir and heat to 105 degrees, grind for 30 minutes, and the grinding speed is 1200 rpm;

[0030] Cool down to 30 degrees, add a proportioned amount of hydrophobic agent, stir and react for 45 minutes, and the finished product can be prepared.

[0031] The invention has the ...

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PUM

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Abstract

The invention discloses building coating and a preparation process thereof. The building coating comprises the following components in percentage by weight: 60%-80% of water-soluble urea formaldehyde resin, titanium dioxide and water, 5%-8% of polyvinyl alcohol, 2%-8% of ethylene glycol, 2%-5% of plasticizer, 1%-3% of emulsifier, 1%-6% of water repellent agent, 6% of dimethyl phthalate, 11% of triphenyl methane crylactone and 2% of vanadium oxide. The preparation process of the building coating comprises the following steps of: mixing the water-soluble urea formaldehyde resin, the titanium dioxide, the water, the polyvinyl alcohol, the ethylene glycol, the plasticizer, the emulsifier, the dimethyl phthalate, the triphenyl methane crylactone and the vanadium oxide in proportion; stirring and heating up the mixture to 95 DEG C, grinding the mixture for 45 minutes at the grinding speed of 500 revolutions / minute; cooling the mixture to 50 DEG C, adding the water repellent agent in the proportion for stirring and reacting for 20 minutes to obtain the finished product. The building coating has the following advantages of realizing reversible conversion between heat absorption in winter and heat insulation in summer, relieving the environmental pollution and the greenhouse effect, being high in water resistance effect and high in anti-pollution effect.

Description

technical field [0001] The invention relates to an architectural coating and a preparation process thereof. Background technique [0002] At present, most of the middle and low-grade architectural coatings on the market have unsatisfactory water resistance and anti-fouling properties. If the water resistance and anti-fouling properties of the entire coating are to be improved to an ideal level, it is often necessary to increase the high cost; and common coatings Also affected by the ambient temperature, the temperature of the building surface rises in summer, which causes the temperature of the building coating to rise, and in winter the building coating will decrease accordingly, so it cannot be applied to buildings with seasonal changes. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an architectural coating with high water resistance and anti-pollution effect, which can realize reversible conversion of heat a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/24C09D7/12
Inventor 吴旭明
Owner NINGBO SANLI NEW MATERIALS
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