Pretreatment agent used for spray coating of inner wall of automobile radiator

A technology of pretreatment agent and automobile water tank, applied in the direction of coating, etc., can solve problems such as the influence of the structure and performance of automobile water tank, and achieve the effects of improving solubility, pretreatment ability, and simple operation process.

Inactive Publication Date: 2016-04-13
WUXI YICHEN MOLD TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because only the film is sprayed on its inner surface, and the protective film substrate is not used, the film on the surface of the sprayed product will gradually fade after being used for a period of time, which will have a great impact on the structural performance of the automobile water tank.

Method used

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Embodiment Construction

[0009] The present invention will be described in more detail below with reference to the embodiments. However, the contents of the embodiments are only examples and descriptions of the present invention, and those skilled in the art can make various modifications or supplements to the specific embodiments described or replace them in similar ways, as long as they do not deviate from the invention. Any idea or beyond the scope defined by the claims shall belong to the protection scope of the present invention.

[0010] First, the composition of the pretreatment agent

[0011] 20 parts of polyacrylate emulsion, 25 parts of furfural resin, 1.5 parts of hydrochloric acid, 0.3 parts of uronic acid, 1 part of potassium chloride and 40 parts of water.

[0012] Second, the preparation method of pretreatment agent is:

[0013] First, add 25 parts of furfural resin and 15 parts of water to the container, and stir for 5 minutes; then slowly add 1.5 parts of hydrochloric acid, stir whi...

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Abstract

The invention relates to the technical field of automobile components and part processing, and in particular relates to a pretreatment agent used for spray coating of an inner wall of an automobile radiator. The pretreatment agent is prepared from 20 parts of polyacrylate emulsion, 25 parts of furfural resin, 1.5 parts of hydrochloric acid, 0.3 part of alduronic acid, 1 part of potassium chloride and 40 parts of water. The pretreatment agent used for spray coating of the inner wall of the automobile radiator is reasonable and novel in formula design; particularly, due to the addition of a small amount of alduronic acid, the treatment efficiency of the pretreatment agent can be significantly improved. By match use of the pretreatment agent, the adhesion force of a polytetrafluoroethylene nano film is strong when the polytetrafluoroethylene nano film is spray-coated to the automobile radiator, and the service life of the product is further prolonged.

Description

technical field [0001] The invention relates to the technical field of automobile parts processing, in particular to a pretreatment agent used for spraying the inner wall of an automobile water tank. Background technique [0002] In order to better improve the structural performance of the automobile water tank and prolong its service life, nano-film is mainly sprayed on its inner wall to provide its structural strength. However, since only a thin film is sprayed on the inner surface of the product, and no protective film substrate is used, the film on the surface of the sprayed product will gradually fade after a period of use, which will have a greater impact on the structural performance of the car water tank. SUMMARY OF THE INVENTION [0003] For the technical problems existing in the prior art, the object of the present invention is to provide a kind of pretreatment agent for spraying on the inner wall of automobile water tank, in order to achieve the above object, th...

Claims

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Application Information

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IPC IPC(8): C09D161/00C09D133/04C09D7/12
CPCC09D161/00C09D7/63C08L33/04C08K5/151
Inventor 钱根来
Owner WUXI YICHEN MOLD TECH
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