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Waterborne polyurethane orange-peel paint and preparation method thereof

A water-based polyurethane and orange grain technology, applied in the field of coatings, can solve the problems of poor storage stability, short service life, blurred and uneven texture, etc., and achieve the effect of good chemical corrosion resistance, long service life and strong three-dimensional effect

Active Publication Date: 2020-06-12
石家庄市油漆厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, as an emerging product in the market, the existing water-based orange paint still has defects such as poor storage stability, short service life, slow drying speed, poor three-dimensional effect, and blurred and uneven texture.

Method used

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  • Waterborne polyurethane orange-peel paint and preparation method thereof
  • Waterborne polyurethane orange-peel paint and preparation method thereof
  • Waterborne polyurethane orange-peel paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A water-based polyurethane orange paint, comprising A component and B component, the A component includes the following components in parts by mass: 50 parts of water-based hydroxyacrylic resin WD-551; 20 parts of R706 titanium dioxide; barium sulfate 8 parts; 1 part of orange grain additive RZ608; 1.2 parts of dispersant BYK-190; 0.1 part of defoamer BYK-024; 2.5 parts of dipropylene glycol methyl ether; 16.9 parts of water, the B component includes 100 parts of water-based isocyanate curing agent Bayhydur XP 2655, and the PVC of the above-mentioned water-based polyurethane orange grain paint is 38.5%, wherein, PVC is the volume of the coloring pigment and the extender pigment in the coating and all in the formula The ratio of the total volume of non-volatile matter.

[0028] The preparation method of above-mentioned waterborne polyurethane orange pattern paint, comprises the following steps:

[0029] S1: Mix the above deionized water with dispersant dispersant BYK-19...

Embodiment 2

[0033] A water-based polyurethane orange paint, comprising A component and B component, said A component comprising the following components in parts by mass: 45 parts of water-based hydroxyacrylic resin WD-551; 25 parts of R706 titanium dioxide; barium sulfate 10 parts; 0.7 parts of orange grain additive RZ608; 1.5 parts of dispersant BYK-190; 0.3 parts of defoamer BYK-024; 2 parts of dipropylene glycol butyl ether; 0.2 parts of water-based rheology additive HX1080; 15.3 parts of water, the B component includes 90 parts of water-based isocyanate curing agent Bayhydur XP 2655, and the PVC of the above-mentioned water-based polyurethane orange grain paint is 44.7%, wherein, PVC is the volume of the coloring pigment and the extender pigment in the coating and all of them in the formula The ratio of the total volume of non-volatile matter.

[0034] The preparation method of above-mentioned waterborne polyurethane orange pattern paint, comprises the following steps:

[0035] S1: ...

Embodiment 3

[0039] A water-based polyurethane orange-grain paint, comprising A component and B component, said A component comprising the following components in parts by mass: 58 parts of water-based hydroxyacrylic resin WD-551; 21 parts of R706 titanium dioxide; barium sulfate 5 parts; 1.2 parts of orange grain additive RZ608; 1.0 parts of dispersant BYK-190; 0.08 parts of defoamer BYK-024; 3 parts of dipropylene glycol methyl ether; 10.57 parts of water, the B component includes 95 parts of water-based isocyanate curing agent Bayhydur XP2655, and the PVC of the above-mentioned water-based polyurethane orange pattern paint is 35.1%, wherein, PVC is the volume of the coloring pigment and the extender pigment in the coating and all different components in the formula The ratio of the total volume of volatile matter.

[0040] The preparation method of above-mentioned waterborne polyurethane orange pattern paint, comprises the following steps:

[0041] S1: Mix the above deionized water wit...

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Abstract

The invention relates to the technical field of coatings, and particularly discloses waterborne polyurethane orange-peel paint and a preparation method thereof. The waterborne polyurethane orange-peelpaint is prepared from a component A and a component B. The component A is prepared from, by mass, 45-60 parts of hydroxy acrylic acid dispersion; 20-25 parts of titanium dioxide; 5-10 parts of barium sulfate; 0.7-1.2 parts of an orange peel auxiliary agent; 1-1.5 parts of a dispersing agent; 0.08-0.3 part of a defoaming agent; 2-3 parts of a coalescing agent; 0.1-0.3 part of a water-based rheological auxiliary agent; and 10-20 parts of deionized water. The component B is prepared from 90-100 parts of a water-based isocyanate curing agent. The orange-peel paint is good in heat storage stability, high in orange-peel texture definition and strong in stereoscopic impression and has relatively good water resistance, acid and alkali resistance and artificial aging resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based polyurethane orange-grain paint and a preparation method thereof. Background technique [0002] Orange pattern paint has the characteristics of clear orange pattern, strong three-dimensional effect and good decorative performance. It is suitable for protective and decorative coating of various machinery, equipment, machine tools, etc. It can cover up the rough and uneven defects of various metal surfaces and achieve the effect of artistic decoration. At present, orange-pattern paints are mostly oil-based paints. With the country's increasing emphasis on environmental pollution, the demand for water-based orange-pattern paint products is imminent. [0003] However, the existing water-based orange-grain paint still has defects such as poor storage stability, short service life, slow drying speed, poor three-dimensional effect, and blurred and uneven texture as a new ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/61C09D5/28C09D5/08C08G18/62
CPCC08G18/6225C08K2003/2241C08K2003/3045C09D5/08C09D5/18C09D5/28C09D175/04C09D7/61C08K13/02C08K3/22C08K3/30
Inventor 许利莎王玮董亮史永兴徐晓利田会社范增军
Owner 石家庄市油漆厂
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