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A kind of automobile aluminum alloy wheel hub coating agent and coating process

An aluminum alloy wheel hub and process technology, applied in coating, spray booth, anti-corrosion coating and other directions, can solve the problems of troublesome preparation process, corrosion resistance, water resistance and UV resistance, and achieve high-efficiency anti-corrosion effect and water resistance. Strong and protective effect

Active Publication Date: 2021-11-12
长沙艺兴新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing coating process, coating agents are often used for coating, but the corrosion resistance, water resistance and UV protection of the existing coating agents are relatively poor after spraying on the wheel hub, and the preparation process is troublesome. Therefore, an automotive aluminum alloy is designed Hub coating agent and coating process

Method used

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  • A kind of automobile aluminum alloy wheel hub coating agent and coating process
  • A kind of automobile aluminum alloy wheel hub coating agent and coating process
  • A kind of automobile aluminum alloy wheel hub coating agent and coating process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A coating agent for aluminum alloy wheels of automobiles. The coating agent is prepared from the following raw materials in parts by weight: 25 parts of low-temperature glass transition temperature acrylic resin, 0.4 part of dispersant, 0.5 part of defoamer, 2.5 parts of aluminum powder, and 10 parts of low-heavy metal Zinc phosphate, 50 parts of nitrocellulose solution, 1 part of plasticizer, 40 parts of wax solution;

[0045] The coating agent is prepared through the following steps:

[0046] Step 1. Polymerize 1 part of styrene, 10 parts of acrylonitrile, 10 parts of acrylic acid, 7 parts of ester monomers, 1 part of initiator, and 1 part of molecular weight modifier to obtain a low-temperature glass transition temperature acrylic resin;

[0047] Step 2, adding low-temperature glass transition temperature acrylic resin, dispersant, defoamer and 300mL solvent into the reaction kettle and stirring and mixing, the stirring speed is 1500r / min, and the stirring time is 5 ...

Embodiment 2

[0061] A coating agent for aluminum alloy wheels of automobiles, the coating agent is prepared from the following raw materials in parts by weight: 30 parts of low-temperature glass transition temperature acrylic resin, 0.5 part of dispersant, 0.5 part of defoamer, 2.5 parts of aluminum powder, 12 parts of low heavy metal Zinc phosphate, 50 parts of nitrocellulose solution, 2.0 parts of plasticizer, 40 parts of wax solution;

[0062] The coating agent is prepared through the following steps:

[0063] Step 1. Polymerize 5 parts of styrene, 15 parts of acrylonitrile, 15 parts of acrylic acid, 10 parts of ester monomers, 3 parts of initiator and 2 parts of molecular weight regulator to obtain low-temperature glass transition temperature acrylic resin;

[0064] Step 2, adding low-temperature glass transition temperature acrylic resin, dispersant, defoamer and 400mL solvent into the reaction kettle and stirring and mixing, the stirring speed is 1500r / min, and the stirring time is 1...

Embodiment 3

[0070] A coating agent for aluminum alloy wheels of automobiles. The coating agent is prepared from the following raw materials in parts by weight: 20 parts of low-temperature glass transition temperature acrylic resin, 0.5 part of dispersant, 0.3 part of defoamer, 2.5 parts of aluminum powder, and 10 parts of low-heavy metal Zinc phosphate, 50 parts of nitrocellulose solution, 1 part of plasticizer, 40 parts of wax solution;

[0071] The coating agent is prepared through the following steps:

[0072] Step 1. Polymerize 1 part of styrene, 10 parts of acrylonitrile, 15 parts of acrylic acid, 10 parts of ester monomers, 3 parts of initiator, and 2 parts of molecular weight regulator to obtain low-temperature glass transition temperature acrylic resin;

[0073] Step 2, adding low-temperature glass transition temperature acrylic resin, dispersant, defoamer and 300mL solvent into the reaction kettle and stirring and mixing, the stirring speed is 1500r / min, and the stirring time is ...

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Abstract

The invention discloses a coating agent for aluminum alloy wheels of automobiles and a coating process. The coating agent is prepared from the following raw materials in parts by weight: 20-30 parts of low-temperature glass transition temperature acrylic resin, 0.3-0.5 parts of dispersant, 0.3-0.5 parts of Defoamer, 2-2.5 parts of aluminum powder, 10-12 parts of low heavy metal zinc phosphate, 40-50 parts of nitrocellulose solution, 1-2.0 parts of plasticizer, 30-40 parts of wax solution; Resin, dispersant, defoamer and 300-400mL solvent are added in the reaction kettle and stirred and mixed, the stirring speed is 1500r / min, and the stirring time is 5-10 minutes to obtain a mixture; the coating agent prepared by the present invention is very environmentally friendly and It has excellent corrosion resistance, water resistance and anti-ultraviolet function; and after the coating agent is applied to the surface of the hub by spraying equipment, it has excellent compactness and excellent protection effect.

Description

technical field [0001] The invention relates to the technical field of automobile wheel hubs, in particular to an automotive aluminum alloy wheel hub coating agent and a coating process. Background technique [0002] At present, the rapid development of automobiles has also led to the rapid development of wheels. Aluminum alloy wheels have become mainstream wheel products due to their beautiful appearance, light weight, fast heat dissipation, and high roundness. Aluminum alloy wheels are mainly formed by die-casting, and the surface is rough. After machining, there are burrs, scratches and other defects on the surface that require surface treatment. The current surface treatment methods include painting, water electroplating, and vacuum coating. Among them, coating and water electroplating are widely used; [0003] In the existing coating process, coating agents are often used for coating, but the corrosion resistance, water resistance and UV protection of the existing coa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D101/18C09D133/20C09D133/02C09D5/10C09D5/33B05B16/20B05B13/02B05D7/14B05D7/00B05B12/12
CPCB05B12/122B05B13/0278B05D7/14B05D7/546B05D2301/10B05D2320/00B05D2502/00B05D2504/00B05D2508/00B05B16/20B05B16/90C08K2003/0812C08K2003/328C08L2201/08C08L2205/03C09D5/004C09D5/103C09D101/18B05D2401/32B05D2420/01B05D2420/02C08L33/20C08K3/32C08K7/00C08K3/08C08L33/02
Inventor 陈和平汪安源
Owner 长沙艺兴新材料有限公司
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