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Bake type single-layer waterborne flashing paint for aluminum alloy hub and preparation method of waterborne flashing paint

An aluminum alloy wheel, flash paint technology, applied in coatings, anti-corrosion coatings, etc., can solve problems such as limitations, and achieve excellent recoating adhesion, good weather resistance, salt spray resistance, and acid and alkali resistance.

Active Publication Date: 2017-05-17
广东四方威凯新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, manufacturers using water-based coatings mostly use composite coating technology, and the application of such products is greatly restricted

Method used

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  • Bake type single-layer waterborne flashing paint for aluminum alloy hub and preparation method of waterborne flashing paint
  • Bake type single-layer waterborne flashing paint for aluminum alloy hub and preparation method of waterborne flashing paint
  • Bake type single-layer waterborne flashing paint for aluminum alloy hub and preparation method of waterborne flashing paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The aluminum alloy wheel hub of the present embodiment is made up of following composition with baking type single-layer water-based flash paint:

[0032] Table 1: Baking type single-layer water-based flash paint (embodiment 1) for aluminum alloy wheels

[0033]

[0034]

[0035] The preparation method of the baking-type single-layer water-based flash paint for the aluminum alloy wheel hub of the present embodiment may further comprise the steps:

[0036] S1: Add the water-based silver paste to the reaction kettle A, then add the second solvent and thickener, stir until it becomes a uniform slurry, then soak for 2 hours under this condition, and set aside;

[0037] S2: Add the acrylic resin to the reaction kettle B, and add a neutralizing agent to adjust the pH value to 7.5-8.5 under the condition of a rotating speed of 500 RPM;

[0038] S3: Add the first solvent into the reaction kettle B, and disperse for 10 minutes at a rotation speed of 500 RPM;

[0039] S4:...

Embodiment 2

[0045] The aluminum alloy wheel hub of the present embodiment is made up of following composition with baking type single-layer water-based flash paint:

[0046] Table 2: Baking type single-layer water-based flash paint (embodiment 2) for aluminum alloy wheels

[0047]

[0048]

[0049] The preparation method of the baking-type single-layer water-based flash paint for the aluminum alloy wheel hub of the present embodiment may further comprise the steps:

[0050] S1: Add the water-based silver paste to the reaction kettle A, then add the second solvent and thickener, stir until it becomes a uniform slurry, then soak for 1 hour under this condition, and set aside;

[0051] S2: Add the acrylic resin to the reaction kettle B, and add a neutralizing agent to adjust the pH value to 7.5-8.5 under the condition of a rotating speed of 1000 RPM;

[0052] S3: Add the first solvent into the reaction kettle B, and disperse for 5 minutes at a rotation speed of 1000 RPM;

[0053] S4: A...

Embodiment 3

[0059] The aluminum alloy wheel hub of the present embodiment is made up of following composition with baking type single-layer water-based flash paint:

[0060] Table 3: Baking type single-layer water-based flash paint (embodiment 3) for aluminum alloy wheels

[0061]

[0062]

[0063] The preparation method of the baking-type single-layer water-based flash paint for the aluminum alloy wheel hub of the present embodiment may further comprise the steps:

[0064] S1: Add the water-based silver paste to the reaction kettle A, then add the second solvent and thickener, stir until it becomes a uniform slurry, then soak for 2 hours under this condition, and set aside;

[0065] S2: Add the acrylic resin to the reaction kettle B, and add a neutralizing agent to adjust the pH value to 7.5-8.5 under the condition of a rotating speed of 800 RPM;

[0066] S3: Add the first solvent into the reaction kettle B, and disperse for 10 minutes at a rotation speed of 800 RPM;

[0067] S4:...

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Abstract

The invention relates to bake type single-layer waterborne flashing paint for an aluminum alloy hub. The single-layer waterborne flashing paint is prepared from components in parts by weight as follows: 40.0-55.0 parts of acrylic resin, 20.0-39.0 parts of a first solvent, 0.2-1.2 parts of a neutralizer, 0.2-1.0 part of a levelling agent, 0.2-1.0 part of a defoaming agent, 0.5-2.5 parts of a thickener, 5.0-9.0 parts of amino resin, 1.5-3.0 parts of an adhesion accelerator, 5.0-10.0 parts of waterborne silver paste and 4.0-8.0 parts of a second solvent. The invention further provides a preparation method of the bake type single-layer waterborne flashing paint for the aluminum alloy hub. Conventional properties such as hardness, initial adhesion force and the like of a film of the bake type single-layer waterborne flashing paint for the aluminum alloy hub can meet demands, the repainting adhesion is excellent, the water resistance, the salt mist resistance and the acid-base resistance are good, corrosion and other conditions are avoided, and the weather resistance is excellent.

Description

technical field [0001] The invention relates to the technical field of paint and its preparation, in particular to a baking-type single-layer water-based flash paint for an aluminum alloy wheel hub and a preparation method thereof. Background technique [0002] The coating of motorcycle aluminum alloy wheels mainly includes three processes: single-layer color paint, primer topcoat and powder primer plus topcoat. The coating products of the first two processes account for more than 80% of the total. The coatings used for the coating of aluminum alloy wheels mainly include solvent-based coatings, powder coatings and water-based coatings. At present, solvent-based coatings are mainly used in this field. With the improvement of environmental protection requirements, the application of water-based coatings will become a future development trend. Due to the relatively complex structure of the motorcycle wheel hub, many concave and convex surfaces on the surface, and the need for ...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D161/32C09D7/12C09D5/08
CPCC08L2205/035C09D5/08C09D7/62C09D7/63C09D7/65C09D133/00C08L83/12C08L75/04C08L61/32C08L63/00C08K9/10C08K2003/0806C08K5/17
Inventor 吴清双朱洪江李淑艳闵建国郑静康孙志强
Owner 广东四方威凯新材料有限公司
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