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Water-based automobile chassis paint with strong permeation adhesiveness

An automobile chassis and adhesion technology, applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of not meeting the requirements of clean production of automobile coating production lines, loss of anti-stone impact performance, easy aging and brittleness, etc. , achieve excellent drying speed and corrosion resistance, high anti-sag performance and leveling, and increase the quality of finished products

Inactive Publication Date: 2021-07-30
郑州双塔涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bituminous coatings have good antirust performance, low cost, and good anti-stone impact performance. They were widely used in the early stage of automobile development, but there are also some defects: not resistant to high temperature, easy to stick back, easy to age and become brittle, and lose the anti-stone impact performance , and due to environmental protection and other factors, fewer and fewer manufacturers use this coating
Therefore, these products do not meet the requirements for clean production of future automotive coating production lines

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: A kind of water-based automobile chassis paint with strong penetrating adhesion is prepared from the raw materials of the following parts by weight: 35 parts of water-based epoxy ester resin dispersions, 0.7 parts of dimethylethanolamine, 23 parts of deionized water, 1.3 parts of polyether polyol, 0.2 parts of acetylene glycol, 0.16 parts of modified polysiloxane, 0.5 parts of montmorillonite, 1.5 parts of high pigment carbon black, 8 parts of environmental protection zinc phosphate, 18 parts of sericite, 18 parts of barium sulfate , 8 parts of water-based polyester modified epoxy resin dispersion, 0.5 part of water-based cobalt manganese rare earth, 0.5 part of anti-flash rust additive, 0.4 part of fluorocarbon modified polyacrylate leveling agent, 0.5 part of polymer polyurethane rheological additive Parts, 1.3 parts of diethylene glycol butyl ether.

Embodiment 2

[0030] Embodiment 2: a kind of water-based automobile chassis paint with strong penetrating adhesion is prepared from the raw materials of the following parts by weight: 40 parts of water-based epoxy ester resin dispersions, 0.8 parts of dimethylethanolamine, 25 parts of deionized water, 1.5 parts of polyether polyol, 0.3 parts of acetylene glycol, 0.2 parts of modified polysiloxane, 0.6 parts of montmorillonite, 2 parts of high pigment carbon black, 10 parts of environmental zinc phosphate, 20 parts of sericite, 20 parts of barium sulfate , 10 parts of water-based polyester modified epoxy resin dispersion, 0.6 part of water-based cobalt manganese rare earth, 0.6 part of anti-flash rust additive, 0.5 part of fluorocarbon modified polyacrylate leveling agent, 0.6 part of polymer polyurethane rheological additive Parts, 1.5 parts of diethylene glycol butyl ether.

Embodiment 3

[0031] Embodiment 3: A kind of water-based automobile chassis paint with strong penetrating adhesion is prepared from the raw materials of the following parts by weight: 30 parts of water-based epoxy ester resin dispersions, 0.5 parts of dimethylethanolamine, 21 parts of deionized water, 1.0 parts of polyether polyol, 0.1 part of acetylene glycol, 0.1 part of modified polysiloxane, 0.3 part of montmorillonite, 1 part of high pigment carbon black, 6 parts of environmental protection zinc phosphate, 12 parts of sericite, 12 parts of barium sulfate , 6 parts of water-based polyester modified epoxy resin dispersion, 0.4 part of water-based cobalt manganese rare earth, 0.3 part of anti-flash rust additive, 0.2 part of fluorocarbon modified polyacrylate leveling agent, 0.3 part of polymer polyurethane rheological additive Parts, 1.1 parts of diethylene glycol butyl ether.

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PUM

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Abstract

The invention discloses a water-based automobile chassis paint with strong permeation adhesiveness. The water-based anti-rust paint is prepared from the following raw materials: a water-based epoxy ester resin dispersion, dimethylethanolamine, deionized water, polyether polyol, alkynediol, modified polysiloxane, montmorillonite, a coloring pigment, an anti-rust pigment, sericite, barium sulfate, a water-based polyester modified epoxy resin dispersion, a drier, a gold anti-flash-rust auxiliary agent, a wetting leveling agent, a rheological auxiliary agent and a cosolvent. The water-based automobile chassis paint disclosed by the invention has relatively high anti-sagging performance and leveling property; has good constructability, and can adapt to manipulator and manual spraying under different seasonal environmental conditions; and has better corrosion resistance, and can reduce the maintenance cost of the vehicle can be reduced.

Description

technical field [0001] The invention relates to the technical field of automobile chassis paint, in particular to a water-based automobile chassis paint with strong penetration and adhesion. Background technique [0002] The chassis of the car, as the weight-bearing part of the car, is located at the bottom of the car body. When the car is running at high speed, the road sand and gravel will impact and wash the lower part of the car body floor, damaging the coating on the surface of the part. In order to prolong the service life of the car body, improve the comfort of the car and the corrosion resistance between the car body gaps, add 1-2 mm thick coating on the lower surface of the car body (especially the surface of the wheel cover and fender that is easily hit by stones) Anti-rust coatings with stone chip resistance are the most effective method. [0003] At present, the armor coatings for automobile chassis are mainly based on asphalt and synthetic rubber products. Bit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D5/08C09D7/65C09D7/61
CPCC09D163/10C09D5/08C09D7/65C09D7/61C08L2205/035C08L67/00C08L63/00C08L71/00C08K3/04
Inventor 许文彬段琼梁延昌
Owner 郑州双塔涂料有限公司
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