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Waterborne titanium white paste and preparation method thereof

A white paste, water-based technology, applied in the direction of pigment paste, etc., can solve the problems of poor compatibility of color paste, high VOC content, poor stability of color paste, etc., to achieve good compatibility, improve coloring degree, and enhance stability Effect

Pending Publication Date: 2018-11-06
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of poor compatibility between the color paste and the emulsion system, poor stability of the color paste itself, poor versatility and high VOC content in the prior art, the present invention provides a water-based titanium white paste and a preparation method thereof

Method used

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  • Waterborne titanium white paste and preparation method thereof
  • Waterborne titanium white paste and preparation method thereof
  • Waterborne titanium white paste and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] An embodiment of the present invention provides a water-based titanium white slurry, which comprises the following raw material components in parts by weight:

[0032]

[0033] The above humectants are Humectant 7000; the dispersant is Dispers 755W; defoamer is Foamex 830; rutile titanium dioxide is DuPont R706; anti-sedimentation agent is Luvogel W2N produced by Leifusi Company; fungicide is produced by Troy Company K9N.

[0034] The preparation steps of above-mentioned water-based titanium white slurry are as follows:

[0035] Add deionized water, humectant, dispersant, and defoamer to the material preparation pot in sequence, control the speed at 400r / min, disperse for 10 minutes, increase the speed to 800r / min, slowly add rutile titanium dioxide, anti-sedimentation agent, and adjust the speed 1000r / min, disperse for 20min, grind to fineness ≤ 10μm, then add fungicide under stirring at 400r / min, adjust pH value to 7.5 with dimethylethanolamine, and obt...

Embodiment 2

[0037] An embodiment of the present invention provides a water-based titanium white slurry, which comprises the following raw material components in parts by weight:

[0038]

[0039] The above humectants are Humectant 7000; the dispersant is Dispers 755W; defoamer is Foamex 830 and A mixture of Foamex 833, the Foamex 830 and The mass ratio of Foamex 833 is 1:1; the rutile titanium dioxide is DuPont R706; the anti-sedimentation agent is Luvogel W2N produced by Leifusi Company; the fungicide is produced by Troy Company K9N.

[0040] The preparation steps of above-mentioned water-based titanium white slurry are as follows:

[0041] Add deionized water, humectant, dispersant, and defoamer to the material preparation pot in sequence, control the speed at 500r / min, disperse for 15 minutes, increase the speed to 700r / min, slowly add rutile titanium dioxide, anti-sedimentation agent, and adjust the speed 900r / min, disperse for 30min, grind to fineness ≤ 10μm, th...

Embodiment 3

[0043] An embodiment of the present invention provides a water-based titanium white slurry, which comprises the following raw material components in parts by weight:

[0044]

[0045] The above humectants are Humectant 7000; the dispersant is Dispers 755W; defoamer is Foamex 833; rutile titanium dioxide is DuPont R706; anti-sedimentation agent is Luvogel W2N produced by Leifusi Company; fungicide is produced by Troy Company K9N.

[0046] The preparation steps of above-mentioned water-based titanium white slurry are as follows:

[0047] Add deionized water, humectant, dispersant, and defoamer to the material preparation pot in sequence, control the speed at 600r / min, disperse for 30min, increase the speed to 600r / min, slowly add rutile titanium dioxide, anti-sedimentation agent, and adjust the speed 800r / min, disperse for 40min, grind to fineness≤10μm, then add fungicide under stirring at 600r / min, adjust pH value to 8.0 with dimethylethanolamine, and obtain aque...

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Abstract

The invention relates to the technical field of coating preparation, in particular to waterborne titanium white paste and a preparation method thereof. The waterborne titanium white paste comprises the following raw material components in parts by weight: 12-18 parts of deionized water, 2-6 parts of a humectant, 8-12 parts of a dispersing agent, 0.1-0.5 part of a defoaming agent, 70-76 parts of rutile type titanium dioxide, 0.3-1.0 part of an anti-settling agent, 0.1-0.2 parts of a bactericide and 0.1-0.3 part of a pH adjuster. The waterborne titanium white paste provided by the invention hasgood compatibility with a two-component polyurethane system, and the color paste itself is high in stability, suitable not only for the two-component polyurethane system, but also for an one-componentpolyurethane system, an acrylic acid system and other systems, low in VOC (volatile organic compounds) content, safe, environmentally-friendly, simple in preparation method, easy to operate, and suitable for large production operations.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based titanium white paste and a preparation method thereof. Background technique [0002] With the increasingly stringent national environmental protection policies, the use of solvent-based coatings has been restricted unprecedentedly, and high-performance, environmentally-friendly water-based coatings have developed rapidly. Two-component water-based polyurethane uses polyisocyanate as a crosslinking agent, and the formed paint film has a high crosslinking density, and the performance of the paint film can reach the level of solvent-based polyurethane. It is widely used in construction machinery, special vehicles, car repairs, and wooden furniture. And other areas with high decorative requirements. Due to the rich color of water-based two-component polyurethane topcoat, with the increase of output, the traditional paint making method cannot meet the needs of customer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D17/00
CPCC09D17/008
Inventor 王瑞宏郭晓峰徐小东周泽钱
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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