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Black brake baking varnish integrating primer paint and finish paint and preparation method of black brake baking varnish

A brake, black technology, applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of substrate adhesion, poor appearance of environmental aging resistance, etc., achieve beautiful appearance, improve grinding fineness, and improve resin The effect of crosslink density

Inactive Publication Date: 2018-07-06
CHINA SPECIAL TYPE FLIER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the primer and topcoat commonly used in the market have problems such as substrate adhesion, environmental aging resistance and poor appearance when painting brake parts.

Method used

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  • Black brake baking varnish integrating primer paint and finish paint and preparation method of black brake baking varnish
  • Black brake baking varnish integrating primer paint and finish paint and preparation method of black brake baking varnish

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] In this case, the ingredients are calculated according to the following components and weight percentages:

[0046] Step 1: Prepare the raw materials according to the following proportions:

[0047] YP5625 amino resin 11%;

[0048] DF1890 acrylic resin 42%;

[0049] Bayer 670 polyester resin 4.5%;

[0050] E-44 epoxy resin 3%;

[0051] Dandong carbon black 8%;

[0052] OK500 matting powder 0.5%;

[0053] Barium sulfate 4%;

[0054] Mica powder 5%;

[0055] Zinc phosphochromate 3%;

[0056] N45 dispersant 0.5%;

[0057] N159 leveling agent 0.5%;

[0058] R972 adhesion promoter 0.5%;

[0059] Isopropanol 3.5%;

[0060] Propylene Glycol Methyl Ether 3%;

[0061] PMA 11%.

[0062] Step 2: Put Dandong carbon black 8% + isopropanol 3.5% into the tank and stir and disperse fully to fully dissolve the carbon black;

[0063] Step 3: Add 4% of barium sulfate, 5% of mica powder, 3% of zinc phosphochromate, 0.5% of N45 dispersant and 11% of YP5625 amino resin to the a...

Embodiment 2

[0068] In this case, the ingredients are calculated according to the following components and weight percentages:

[0069] Step 1: Prepare the raw materials according to the following proportions:

[0070] YP5625 amino resin 15%;

[0071] DF1890 acrylic resin 45%;

[0072] Bayer 670 polyester resin 2.5%;

[0073] E-44 epoxy resin 1%;

[0074] Dandong carbon black 5%;

[0075] OK500 matting powder 0.5%;

[0076] Barium sulfate 4%;

[0077] Mica powder 5%;

[0078] Zinc phosphochromate 3%;

[0079] N45 dispersant 0.5%;

[0080] N159 leveling agent 0.5%;

[0081] R972 adhesion promoter 0.5%;

[0082] Isopropanol 3.5%;

[0083] Propylene Glycol Methyl Ether 3%;

[0084] PMA 11%.

[0085] Step 2: Put Dandong carbon black 5% + isopropanol 3.5% into the tank and stir and disperse fully to fully dissolve the carbon black;

[0086] Step 3: Add 4% of barium sulfate, 5% of mica powder, 3% of zinc phosphochromate, 0.5% of N45 dispersant and 15% of YP5625 amino resin to the a...

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PUM

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Abstract

The invention belongs to the technical field of surface coating of aluminum casting alloy, and relates to black brake baking varnish integrating primer paint and finish paint and a preparation methodof the black brake baking varnish. The adhesion can be improved by using preferred resin, the crosslinking density of the resin can be improved by improving the ratio, and an effect of corrosion prevention can be achieved by adding anti-corrosion filler appropriately; and it is ensured that the surface of the baking varnish is beautiful by adding a part of high-gloss resin and improving the grindfineness; the adhesion, corrosion resistance and aging resistance of the black brake baking varnish integrating the primer paint and the finish paint meet the product requirements, and the black brakebaking varnish has a beautiful appearance and a certain decorative property.

Description

technical field [0001] The invention belongs to the technical field of surface coating of cast aluminum alloys, and relates to a bottom-surface-integrated black brake paint and a preparation method thereof. Background technique [0002] Fierce market competition requires continuous reduction in coating costs and continuous improvement in quality for automobiles, motorcycles, and bicycles. A few years ago, the coating process of primer + topcoat + finish was required, and the cost of raw materials and construction were high. It was gradually replaced by the painting process of primer + topcoat, and now there are paints in the market that combine primer and topcoat, which greatly reduces the cost of painting and construction, and the performance of the paint film meets the requirements of users. Therefore, it is very necessary to use a paint that combines primer and topcoat for the coating of brake parts. However, the primer and topcoat commonly used in the market have proble...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D161/20C09D167/00C09D163/00C09D5/08C09D7/61C09D7/20
CPCC08K2003/3045C08L2205/035C09D5/08C09D133/04C08L61/20C08L67/00C08L63/00C08K13/02C08K3/04C08K3/30C08K3/34C08K3/346
Inventor 游加旺张超王广超王浩伟韦利军
Owner CHINA SPECIAL TYPE FLIER RES INST
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