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Low-temperature water-based vehicle body coating as well as preparation method and use method thereof

A low-temperature, water-based technology, applied in polyester coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as high energy consumption, large environmental pressure, and business operating costs

Active Publication Date: 2021-04-27
WUHU CHUNFENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, among the general water-based automotive body coatings, the mainstream products are mostly high-temperature water-based baking paints. The product construction process requires high energy consumption, which brings greater environmental pressure and business operating costs, reducing energy consumption during automobile painting, and reducing environmental pressure. , reducing the coating operation cost of enterprises has become an urgent need of the market

Method used

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  • Low-temperature water-based vehicle body coating as well as preparation method and use method thereof
  • Low-temperature water-based vehicle body coating as well as preparation method and use method thereof
  • Low-temperature water-based vehicle body coating as well as preparation method and use method thereof

Examples

Experimental program
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Embodiment 1

[0044] A low-temperature water-based body paint, comprising a low-temperature water-based one-component primer, a low-temperature water-based one-component base paint and a low-temperature oily two-component varnish;

[0045] The low-temperature water-based one-component mid-coat paint includes the following raw materials, as shown in Table 1:

[0046] Paint formulation in table 1 embodiment 1

[0047] serial number Material name model supplier Example 1 1 Water-Based Acrylic Emulsion R4000 DSM 40 2 Waterborne Polyester Resin R986 DSM 10 3 Defoamer 011 Pick 1 4 Dispersant 180 Pick 0.8 5 Amine neutralizer AM-95 Dow 2 6 Alkyne diol FS204 Tu Yile 2 7 fumed silica R974 Evonik 0.8 8 leveling agent 3560 Pick 0.2 9 Titanium dioxide 2195 dawn 25 10 Deionized water Domestic 11.2 11 Propylene glycol butyl ether PNB Dow 2 12 Precipitated Barium Sulfate ...

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Abstract

The invention provides a low-temperature water-based vehicle body coating as well as a preparation method and a use method thereof. The low-temperature water-based vehicle body coating comprises a low-temperature water-based single-component intermediate coat, a low-temperature water-based single-component colored paint and a low-temperature oily double-component varnish. According to the invention, water-based polyester modified acrylic resin is used as matrix resin of the intermediate coat, so baking temperature is low; the performance of a paint film is equivalent to the performance of a traditional solvent type coating, and the stone impact resistance of the paint film is superior to the stone impact resistance of the solvent type coating; and the distinctness of image and fullness of finish paint are improved, and the decorative effect of the whole vehicle is better.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a low-temperature water-based vehicle body coating, a preparation method and a use method thereof. Background technique [0002] At present, among the general water-based automotive body coatings, the mainstream products are mostly high-temperature water-based baking paints. The product construction process requires high energy consumption, which brings greater environmental pressure and business operating costs, reducing energy consumption during automobile painting, and reducing environmental pressure. , Reducing the coating operation cost of enterprises has become an urgent need of the market. [0003] The way to reduce the paint energy consumption of automobile enterprises can be by reducing the paint baking temperature, that is, the development of low-temperature water-based body paint. Contents of the invention [0004] The purpose of the present invention is to provi...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D167/00C09D7/61C09D175/04B05D7/24B05D7/26
CPCC09D133/04C09D7/61C09D175/04B05D7/24B05D7/26B05D7/584B05D7/582B05D2502/00B05D2501/00B05D2602/00C08K2003/2241C08K2003/3045C08L2201/08C08L67/00C08K3/36C08K3/22C08K3/30C08K13/02C08K5/06B05D2425/01B05D2425/02B05D2425/03
Inventor 罗磊夏根郭小平满中信金正北
Owner WUHU CHUNFENG NEW MATERIAL
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