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Subsidence-resistant PU transparent priming paint

A transparent primer, anti-sag technology, applied in the direction of coating, polyurea/polyurethane coating, etc., can solve the problems of low transparency, poor filling line and anti-sag, slow drying speed, etc., to achieve good transparency, easy polishing, anti-sag The effect of strong sinking ability

Inactive Publication Date: 2015-04-29
山东巴德士新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Among the wood primers commonly used in the market, the common defects are slow drying speed, poor filling line and sag resistance, low transparency, and general sanding performance, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1) Preparation of 8% anti-settling slurry:

[0056] Alkyd resin 37.5%

[0057] Xylene 22.5%

[0058] Organic bentonite 8%

[0059] Xylene 2%

[0060] Xylene 30%

[0061] Production process: Preparation before feeding: Select a clean dispersion tank that meets the requirements, add 37.5kg of alkyd resin and 22.5kg of xylene in sequence, and stir at a medium speed of 800-1200 rpm for five minutes until uniform. Then throw in 8kg of organic bentonite, and the added organic bentonite must be completely dispersed into the paint, and the side of the cylinder must be shoveled to ensure that it is not wrapped or agglomerated. Then add 2kg of xylene, wash the powder on the side of the cylinder and the dispersion plate into the cylinder, and disperse at a high speed of 1000-15000 rpm for 20-30 minutes until the fineness is ≤60um. Add 30kg of dimethylbenzene after reaching the requirement, after stirring evenly, pack into barrels for use after filtering with a 120-mesh filte...

Embodiment 2

[0114] 1) Preparation of 8% anti-settling slurry:

[0115] Specifically with embodiment 1;

[0116] 2) The ratio of component A:

[0117] Alkyd resin A 53.5

[0118] Alkyd resin B 6

[0119] 8% anti-settling slurry 6

[0120] Wetting and dispersing agent 0.1

[0121] Defoamer A 0.1

[0122] Defoamer B 0.05

[0123] Propylene glycol methyl ether acetate 2

[0124] sec-butyl acetate 2.5

[0125] Talc 8

[0126] Microsilica 6

[0127] Zinc stearate 2

[0128] Leveling agent 0.2;

[0129] Production process: 1. Select PU clear-bottom dispersing tanks that are clean and meet the requirements. Put in 53.5kg of alkyd resin A, 6kg of alkyd resin B, 6kg of 8% anti-settling slurry, 0.1kg of wetting and dispersing agent, 0.1kg of defoamer A, 0.05kg of defoamer B, 2kg of propylene glycol methyl ether acetate, acetic acid Sec-butyl fat 1.4kg, stirred at 800 rpm for 6-8 minutes until uniform.

[0130] 2. Add 8kg of talcum powder, 6kg of silicon micropowder, and 2kg of zinc s...

Embodiment 3

[0158] 1) Preparation of 8% anti-settling slurry:

[0159] Concrete preparation method is with embodiment 1;

[0160] 2) The ratio of component A:

[0161] Alkyd resin A 55.5

[0162] Alkyd resin B 8

[0163] 8% anti-settling slurry 10

[0164] Wetting and dispersing agent 0.3

[0165] Defoamer A 0.2

[0166] Defoamer B 0.1

[0167] Propylene glycol methyl ether acetate 5

[0168] sec-butyl acetate 2.

[0169] Talc 15

[0170] Microsilica 12

[0171] Zinc stearate 4

[0172] Leveling agent 0.3

[0173] Production process: 1. Select PU clear-bottom dispersing tanks that are clean and meet the requirements. Put in 55.5kg of alkyd resin A, 8kg of alkyd resin B, 10kg of 8% anti-settling slurry, 0.3kg of wetting and dispersing agent, 0.2kg of defoamer A, 0.1kg of defoamer B, 5kg of propylene glycol methyl ether acetate, acetic acid Sec-butyl fat 1.0kg, stirred at 800 rpm for 6-8 minutes until uniform.

[0174] 2. Add 15kg of talcum powder, 12kg of silicon micropowde...

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PUM

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Abstract

The invention relates to a subsidence-resistant PU transparent priming paint which is prepared from a component A, a component B and a component C according to a certain mass ratio. The transparent priming paint prepared by the invention is good in transparency, subsidence resistant, easy to polish and the like and can be suitable for coating requirements of different wooden furniture products.

Description

technical field [0001] The invention relates to an anti-sag PU transparent primer, which belongs to the technical field of wood coatings. Background technique [0002] Among the wood primers commonly used in the market, the common defects are slow drying speed, poor filling line and sag resistance, low transparency, and general sanding performance. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides an environmentally friendly and highly transparent PU primer with good sag resistance, which has the characteristics of good transparency, sag resistance, and easy polishing, so as to meet the coating requirements of different furniture and wood products. [0004] Technical scheme of the present invention is as follows: [0005] An anti-sag PU transparent primer, which is made by mixing three components A, B and C according to the mass ratio of 1:0.5:(0.5-0.7). [0006] The first component is prepared from the fo...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12C08G18/68
CPCC09D175/14C08G18/68C08G18/794C08L2201/10C08L2205/025C09D7/20C09D7/61C09D7/62C09D7/63C09D7/65
Inventor 方学平邹友平
Owner 山东巴德士新材料有限公司
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