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Environment-friendly water-based paint coating and preparation method thereof

A water-based paint and coating technology, applied in anti-fouling/underwater coatings, anti-corrosion coatings, polyester coatings, etc., can solve problems such as environmental pollution and volatile odors of coatings, secondary pollution of air and sewage, etc. Achieve the effect of improving tissue strength and cohesion, improving use quality and excellent mechanical quality

Inactive Publication Date: 2021-04-30
惠州彩梓源环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be used on many materials such as wood, metal, plastic, glass, building surfaces, etc. The compatibility of common water-based paints is mostly added with water-soluble and harmful solvents and volatile solvents to disperse resins, without consideration Coatings pollute the environment and have volatile odors, causing secondary pollution to air and sewage. For this reason, we propose an environmentally friendly water-based paint coating and its preparation method to solve the above problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The invention provides a technical solution: an environmentally friendly water-based paint coating, in parts by weight, its raw material composition includes: 53 parts of polyester resin emulsion, 27 parts of polyurethane emulsion, 12 parts of melamine resin, 8 parts of activated carbon, 2 parts of defoaming agent 1 part, 1 part of leveling agent, 7 parts of curing agent, 3 parts of thickener, 1 part of coupling agent, 1 part of pigment, 0.8 part of pH regulator and 37 parts of deionized water.

[0020] Further, the defoamer is water-based non-silicone fatty acid polymer, and the leveling agent is carboxymethyl cellulose.

[0021] Further, the curing agent is an isocyanate curing agent, and the thickener is hydroxyethyl cellulose.

[0022] Further, the coupling agent silane coupling agent KH-560, the pigment is a mixture of zinc powder, iron oxide red, and heavy stone powder in a weight ratio of 1:2:2, and the pH regulator is 2-amino-2-methyl- 1-propanol, adjust the pH...

Embodiment 2

[0028] The invention provides a technical solution: an environmentally friendly water-based paint coating, in parts by weight, its raw material composition includes: 55 parts of polyester resin emulsion, 25 parts of polyurethane emulsion, 15 parts of melamine resin, 6 parts of activated carbon, 3 parts of defoaming agent 2 parts, 2 parts of leveling agent, 10 parts of curing agent, 4 parts of thickener, 2 parts of coupling agent, 2 parts of pigment, 1 part of pH regulator and 40 parts of deionized water.

[0029] Further, the defoaming agent is a silicone compound, and the leveling agent is a polysiloxane-polyether copolymer.

[0030] Further, the curing agent is a mixture of low-molecular polyamide curing agent and m-phenylenediamine curing agent at a mass ratio of 10:1, which can be cured at room temperature, and can increase the toughness of the coating while appropriately improving heat resistance and thickening. The agent is polyurethane thickener.

[0031] Further, the ...

Embodiment 3

[0037] The invention provides a technical solution: an environmentally friendly water-based paint coating, in parts by weight, its raw material composition includes: 57 parts of polyester resin emulsion, 23 parts of polyurethane emulsion, 17 parts of melamine resin, 8 parts of activated carbon, 4 parts of defoaming agent 2 parts, 2 parts of leveling agent, 12 parts of curing agent, 6 parts of thickener, 3 parts of coupling agent, 2 parts of pigment, 1.5 parts of pH regulator and 43 parts of deionized water.

[0038] Further, the defoaming agent is polyether polysiloxane copolymer, and the leveling agent is carboxymethyl cellulose.

[0039] Further, the curing agent is a mixture of low-molecular polyamide curing agent and m-phenylenediamine curing agent in a mass ratio of 15:2, which can be cured at room temperature, and can increase the toughness of the coating while appropriately improving heat resistance and thickening. The agent is hydroxyethyl cellulose.

[0040] Further,...

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PUM

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Abstract

The invention discloses an environment-friendly water-based paint coating and a preparation method thereof. The coating is prepared from the following raw materials in parts by weight: 50-60 parts of polyester resin emulsion, 20-30 parts of polyurethane emulsion, 10-20 parts of melamine resin, 4-10 parts of activated carbon, 2-5 parts of a defoaming agent, 1-2 parts of a flatting agent, 5-12 parts of a curing agent, 3-8 parts of a thickening agent, 1-3 parts of a coupling agent, 1-3 parts of pigment, 0.5-2 parts of a pH regulator and 35-45 parts of deionized water. The method comprises: adding the polyester resin emulsion, the polyurethane emulsion, the melamine resin, the defoaming agent and the deionized water, mixing together, putting into a stirring tank, and stirring for 20-30 minutes at the stirring speed of 1,200 to 1,500 revolutions per minute, so as to uniformly mix; adding the activated carbon, the leveling agent, the curing agent 1, the thickener, the coupling agent and the pigment into a stirring tank, heating the stirring tank to 70-75 DEG C, and stirring for 15-20 minutes at a stirring speed of 1500-2000rpm; dropwise adding a pH regulator into the tank, regulating the pH value to 6-8, carrying out ultrasonic treatment at the frequency of 600-650kHz for 45-50min, and filtering by using a sieve with the fineness of 400-800 meshes to obtain a finished product.

Description

technical field [0001] The invention relates to the technical field of water-based paint, in particular to an environment-friendly water-based paint and a preparation method thereof. Background technique [0002] Water-based paint is a paint that uses water as a diluent and does not contain organic solvents. It does not contain benzene, toluene, xylene, formaldehyde, and free TDI toxic heavy metals. It is non-toxic, non-irritating, harmless to humans, and does not pollute the environment. Plump, crystal clear, good flexibility and has the characteristics of water resistance, wear resistance, aging resistance, yellowing resistance, fast drying and convenient use. It can be used on many materials such as wood, metal, plastic, glass, building surfaces, etc. The compatibility of common water-based paints and coatings is mostly added with water-soluble and harmful solvents and volatile solvents to disperse resins, without consideration Coatings pollute the environment and have v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D175/04C09D161/28C09D7/61C09D5/10C09D5/14
CPCC09D167/00C09D7/61C09D5/106C09D5/14C08K2003/0893C08K2003/2272C08K2003/3045C08L2205/035C08L75/04C08L61/28C08K13/04C08K3/08C08K3/22C08K7/24C08K3/30
Inventor 林原亮
Owner 惠州彩梓源环保科技有限公司