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Water-based alkyd carpentry paint and preparation method thereof

A wood lacquer and water-based acrylic technology, applied in the field of coatings, can solve the problems of low hardness, easy yellowing, and unsatisfactory weather resistance of alkyd resin, and achieve the effects of low oil absorption, high transparency, and good anti-corrosion and mildew resistance.

Inactive Publication Date: 2015-09-23
GUANGDONG VALSPAR CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among them, water-based alkyd wood paint is an important direction of water-based paint research. Alkyd resin has the advantages of high fullness, good flexibility and various performances, but the weather resistance of alkyd resin is not ideal, it is easy to yellow and has low hardness, so Coatings made of one-component waterborne alkyd resins have defects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0046] Example 1 is equipped with 100Kg water-based UV coating wood lacquer of the present invention, is formulated by the component of following weight ratio:

[0047] Put 52Kg of water-based acrylic modified alkyd emulsion, 11Kg of water, 3Kg of ammonia water, and 1Kg of dispersant into the dispersion tank; disperse at 600 rpm for 5 minutes to form a uniform solution, 7Kg of talcum powder, 5Kg of silicon micropowder, 3Kg of matting powder, and disperse at 1200 rpm for 10 ~15min to form a uniform solution, then add 0.5Kg of leveling agent, 0.5Kg of defoamer, Bas11 Kg, 1Kg of wetting agent, 2Kg of thickener, 3Kg of preservative; disperse at 600 rpm for 5 minutes to form a uniform solution, filter, pack, and store That's it.

[0048] Storage stability: 30 days at 50°C, the product has no precipitation and no delamination, which proves that the product storage period is more than 12 months, and it is stored at room temperature for 12 months without mildew, pencil hardness 2H (GB...

example 2

[0049] Example 2 is equipped with 100Kg water-based UV coating wood lacquer of the present invention, is formulated by the component of following weight ratio:

[0050] Put 47Kg of water-based acrylic modified alkyd emulsion, 14 Kg of water, 4Kg of ammonia water, and 1Kg of dispersant into the dispersion tank; disperse at 600 rpm for 5 minutes to form a uniform solution, 6Kg of talc powder, 6Kg of silicon micropowder, 3Kg of matting powder, and disperse at 1200 rpm 10-15 minutes to form a uniform solution, then add 0.5Kg leveling agent, 0.5Kg defoamer, Bas12 Kg, 1Kg wetting agent, 2Kg thickener, 3Kg preservative; disperse at 600 for 5 minutes to form a uniform solution, filter and pack, put library.

[0051] Storage stability: 30 days at 50°C, the product has no precipitation and no delamination, which proves that the product storage period is more than 12 months, and it is stored at room temperature for 12 months without mildew, pencil hardness 2H (GB6739-96), adhesion level ...

example 3

[0052] Example 3 is equipped with 100Kg water-based UV coating wood lacquer of the present invention, is formulated by the component of following weight ratio:

[0053] Put 48Kg of water-based acrylic modified alkyd emulsion, 12Kg of water, 5Kg of ammonia water, and 1Kg of dispersant into the dispersion tank; disperse at 600 rpm for 5 minutes to form a uniform solution, 5Kg of talcum powder, 3Kg of silicon micropowder, 6Kg of matting powder, and disperse at 1200 rpm for 10 ~15min to form a uniform solution, then add 0.5Kg leveling agent, 0.5Kg defoamer, Bas13 Kg, 1Kg wetting agent, 2Kg thickener, 3Kg preservative; disperse at 600 rpm for 5min to form a uniform solution, filter, pack, and store That's it.

[0054] Storage stability: 30 days at 50°C, the product has no precipitation and no delamination, which proves that the product storage period is more than 12 months, and it is stored at room temperature for 12 months without mildew, pencil hardness 2H (GB6739-96), adhesion l...

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Abstract

The invention particularly relates to water-based carpentry paint and a preparation method thereof. The carpentry paint comprises the following components in parts by weight: 40-60 parts of a water-based acrylic modified alkyd emulsion STW310, 5-20 parts of water, 0-10 parts of ammonia water, 0-2 parts of a dispersing agent D-128, 1-10 parts of talcum powder, 1-10 parts of silica powder, 1-10 parts of extinction powder, 5-20 parts of Bas, 0-1 part of an antifoaming agent tegoFoamex 1488, 0-1 part of a flatting agent EFKA3034, 0-1 part of a wetting agent BYK187, 0-5 parts of a thickening agent RM-12W and 0-5 parts of a preservative HTK-30. The preparation method comprises the following steps: putting the water-based acrylic modified alkyd emulsion STW310, the water, the ammonia water and the dispersing agent in a predetermined weight ratio into a dispersing jar, and dispersing the components at the speed of 600 revolutions for 5minutes 5rpm to form a uniform solution; adding the talcum powder, the silica powder and the extinction powder in a predetermined weight ratio, then adding the Bas, the antifoaming agent, the flatting agent, the wetting agent, the thickening agent and the preservative in a predetermined weight ratio, dispersing the components at the speed of 600 revolutions for 5minutes to form a uniform solution, and filtering, packaging and warehousing the uniform solution.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a water-based alkyd wood varnish and a preparation method thereof. Background technique [0002] With the continuous deterioration of the environment, environmental protection has become the most important factor when the government considers economic development. Among them, the coating industry is an important factor causing environmental pollution. In recent years, the government has imposed stricter restrictions on organic volatile compounds VOC. Because traditional solvent-based coatings will volatilize a large amount of organic compound VOC when used, it will cause serious pollution to the environment. Therefore, water-based coatings must become the development direction of coatings in the future. Although many properties of water-based coatings are not as good as those of solvent-based coatings, water-based coatings use water as the main solvent. Water is non-flammable, safe, non-t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D7/12
Inventor 黄宏亭彭亿姿蔡森张海军谢志超黎司华桂玲
Owner GUANGDONG VALSPAR CHEM IND
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