Water-based paint for various substrates and preparation method thereof

A technology of water-based coatings and substrates, applied in the field of coatings, to achieve the effects of excellent salt spray resistance, excellent impact resistance, and strong fire barrier effect

Inactive Publication Date: 2021-03-09
鲁嘉涂料(福建)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Technical problem to be solved: Aiming at the problems existing in the existing water-based paints on the market, the present invention provides a water-based paint for various substrates and a preparation method thereof. The water-based paint can be applied to various substrates, and the water-based paint The paint can also be used for anti-rust coating on rusty substrates, which can avoid rust problems caused by incomplete substrate treatment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A water-based coating for various substrates, which contains the following components in parts by mass: water-based silicone modified polyurethane resin: 30 parts, acrylic resin: 10 parts, DuPont R706 titanium dioxide: 15 parts, titanate coupling Agent: 1 part, graphene: 1 part, Dow cosolvent: 3 parts, wetting agent: 0.1 part, TEGO 750W dispersant: 0.5 part, TAFIGEL PUR-64 rheological additive: 0.8 part, PC-40 polymer Carbodiimide crosslinking agent: 0.5 parts, water: 20 parts.

Embodiment 2

[0027] A water-based coating for various substrates, which contains the following components in parts by mass: water-based silicone modified polyurethane resin: 50 parts, acrylic resin: 20 parts, DuPont R706 titanium dioxide 20 parts, titanate coupling agent : 3 parts, graphene: 3 parts, Dow co-solvent 5 parts, wetting agent: 0.5 parts, TEGO 750W dispersant: 1 part, TAFIGEL PUR-64 rheology additive: 1.5 parts, PC-40 polycarbonate Imine crosslinking agent: 1 part, water: 60 parts.

Embodiment 3

[0029] A water-based coating for various substrates, which contains the following components in parts by mass: water-based silicone modified polyurethane resin: 35 parts, acrylic resin: 14 parts, DuPont R706 titanium dioxide: 16 parts, titanate coupling Agent: 1.5 parts, graphene: 1.5 parts, Dow co-solvent: 3.5 parts, wetting agent: 0.2 parts, TEGO 750W dispersant: 0.6 parts, TAFIGEL PUR-64 rheology additive: 1 part, PC-40 polymer Carbodiimide crosslinking agent: 0.7 parts, water: 30 parts.

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PUM

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Abstract

The invention relates to a water-based paint for multiple substrates and a preparation method thereof. The water-based paint comprises the following components in parts by mass: 30-50 parts of water-based organic silicon modified polyurethane resin, 10-20 parts of acrylic resin, 15-20 parts of titanium dioxide, 1-3 parts of a titanate coupling agent, 1-3 parts of graphene, 3-5 parts of a cosolvent, 0.1-0.5 part of a wetting agent, 0.5-1 part of a dispersing agent, 0.8-1.5 parts of a rheological agent, 0.5-1 part of a waterborne crosslinker and 20-60 parts of water. The water-based paint is suitable for various base materials, can also be used for rust-proof coating of rusty base materials, and can avoid the rusting problem caused by incomplete substrate treatment.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a water-based coating used for various substrates and a preparation method thereof. Background technique [0002] Waterborne silicone modified polyurethane resin is a kind of modified resin made of silicone oligomer and polyurethane resin. It is mostly used to prepare two-component polyurethane coatings. It can be cured at room temperature and can improve the heat resistance of coatings. and weather resistance. [0003] Acrylic resin is a general term for acrylic acid, methacrylic acid and its derivative polymers. Acrylic resin does not undergo further cross-linking during the film-forming process, so its relative molecular weight is relatively large, it has good gloss and color retention, water and chemical resistance, fast drying, convenient construction, and is easy to apply for recoating and rework. Wide range of applications. [0004] Water-based paint is a paint that us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D133/00C09D5/16C09D5/08C09D5/18C09D7/61C09D7/63C09D7/65
CPCC08K2003/2241C08K2201/001C08K2201/011C08K2201/017C08L2201/02C09D5/08C09D5/1687C09D5/18C09D175/04C08L33/00C08K13/02C08K3/22C08K5/10C08K3/042
Inventor 罗树贵
Owner 鲁嘉涂料(福建)有限公司
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