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Coating reinforcing agent, preparation method thereof and phosphate-metal aluminum powder coating using reinforcing agent

A metal aluminum powder and reinforcing agent technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of inability to meet the working requirements of exhaust pipes, weakened high temperature resistance of coatings, and reduced performance, so as to improve the bonding performance and improve the resistance. High temperature performance, the effect of prolonging the service life

Active Publication Date: 2012-06-13
ZHEJIANG MOTORBACS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high-temperature-resistant phosphate metal aluminum powder coating is used at a higher temperature (such as the exhaust pipe operating temperature can be as high as 600 ° C), the high-temperature resistance of the coating is weakened, and it is easy to fall off, making the Its service performance is greatly reduced. Therefore, the use of this phosphate metal aluminum powder coating as the exhaust pipe surface coating cannot meet the working requirements of the exhaust pipe at high temperatures, and further improvement is still needed.

Method used

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  • Coating reinforcing agent, preparation method thereof and phosphate-metal aluminum powder coating using reinforcing agent
  • Coating reinforcing agent, preparation method thereof and phosphate-metal aluminum powder coating using reinforcing agent
  • Coating reinforcing agent, preparation method thereof and phosphate-metal aluminum powder coating using reinforcing agent

Examples

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Comparison scheme
Effect test

Embodiment 1

[0024] The paint enhancer of this embodiment is a rare earth enhancer, and the enhancer is configured by the following method:

[0025] (1) According to the weight ratio, combine 100 parts of phosphoric acid and lanthanum hydroxide (H 3 LaO 3 ) 35 parts are put into a container for exothermic reaction; after 30-60 minutes of reaction, a thick translucent gel material is obtained;

[0026] (2) Add an appropriate amount of deionized water to the container, and after sufficient stirring, the above gel substance dissolves in the water and forms a white milky liquid;

[0027] (3) Put the container in an oven at 100°C, and keep it warm for 2 hours to obtain a translucent gel that is thick and paste; during the heat preservation process, the container can be taken out of the oven and stirred, and the stirring can make the inside of the container The solution is more uniform, which promotes the reaction;

[0028] (4) Take out the container from the oven, and continue to add deionized water in...

Embodiment 2

[0034] The paint enhancer in this embodiment is a rare earth enhancer, and the enhancer is configured by the following method:

[0035] (1) According to the weight ratio, 100 parts of phosphoric acid and lanthanum hydroxide (H 3 LaO 3 ) 38 parts are put into a container for exothermic reaction; after 30-60 minutes of reaction, a thick translucent gel material is obtained;

[0036] (2) Add an appropriate amount of deionized water to the container, and after sufficient stirring, the above gel substance dissolves in the water and forms a white milky liquid;

[0037] (3) Put the container into an oven at 120°C, and keep it warm for 4 hours to obtain a translucent gel that is thick and paste; during the heat preservation process, the container can be taken out of the oven and stirred;

[0038] (4) Take out the container from the oven, and continue to add deionized water into the container, and finally prepare a solution with a total weight of 250 parts. The solution is stirred for 2 to 3 ho...

Embodiment 3

[0044] The paint enhancer in this embodiment is a rare earth enhancer, and the enhancer is configured by the following method:

[0045] (1) According to the weight ratio, combine 100 parts of phosphoric acid and lanthanum hydroxide (H 3 LaO 3 ) Put 40 parts into a container for exothermic reaction; after 30-60 minutes of reaction, a thick translucent gel material is obtained;

[0046] (2) Add an appropriate amount of deionized water to the container, and after sufficient stirring, the above gel substance dissolves in the water and forms a white milky liquid;

[0047] (3) Put the container into an oven at 140°C and keep it warm for 6 hours to obtain a translucent gel in a thick paste; during the heat preservation process, the container can be taken out of the oven and stirred;

[0048] (4) Take out the container from the oven, and continue to add deionized water into the container, and finally prepare a solution with a total weight of 250 parts. The solution is stirred for 2 to 3 hours ...

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Abstract

The invention relates to a coating reinforcing agent. The coating reinforcing agent is characterized by comprising a liquid-state component A and a solid-state component B, wherein the coating reinforcing agent comprises 100 parts by weight of the component A and 35-40 parts by weight of the component B; and the liquid-state Component A is phosphoric acid, and the solid-state component B is lanthanum hydroxide or lanthanum oxide. The phosphoric acid-rare earth reinforcing agent is prepared through the reaction between the phosphoric acid and solid rare earth ( lanthanum hydroxide or lanthanum oxide), and after the rare earth reinforcing agent is added into an ordinary phosphate-metal aluminum powder coating, a phosphate in the reinforcing agent and a metal oxide in the phosphate-metal aluminum powder coating constitute a three-dimensional reticular structure based on hydrogen bond association, so that metal micro-powder is fixed in the three-dimensional reticular structure; therefore the binding ability of the coating is effectively improved, and the coating has better corrosion resistance.

Description

Technical field [0001] The invention relates to a chemical coating technology, in particular to a coating enhancer, a preparation method thereof, and a phosphate metal aluminum powder coating applied with the coating enhancer. Background technique [0002] When a car is running, the exhaust system is always at a high temperature, especially the working temperature of the exhaust pipe components close to the engine can be as high as 600°C. In order to avoid high temperature corrosion of the exhaust pipe, it is often necessary to apply anticorrosive and high temperature resistant coatings on the surface of the metal exhaust pipe to extend the service life of the exhaust pipe and improve the running performance of the car. For example, the Chinese invention patent with application number ZL200710131970.5 A heat-resistant and corrosion-resistant coating for automobile exhaust pipes", the Chinese invention patent "a molybdenum disulfide-based anti-friction coating" with application nu...

Claims

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Application Information

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IPC IPC(8): C09D7/12C09D1/00C09D5/10
Inventor 周重光陆志伟贺勇
Owner ZHEJIANG MOTORBACS TECH
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