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High-temperature-resistant exhaust pipe coating and preparation method thereof

An exhaust pipe, high temperature resistant technology, applied in the field of exhaust pipes, can solve problems such as being unfavorable to prolong the life of the exhaust pipe, poor stability, insignificant effect, etc., and achieve the effects of good elasticity, strong impact resistance and smooth appearance

Inactive Publication Date: 2016-04-20
WUHU EVERSHINE AUTOMOTIVE COMPONENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Chinese patent with the application number 200910070763.2 discloses a special high-temperature-resistant coating for transport vehicles and its preparation method. In the heat resistance test, the effect is not obvious, and the stability is poor, which is not conducive to prolonging the life of the exhaust pipe

Method used

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Effect test

preparation example Construction

[0026] A high-temperature-resistant exhaust pipe coating and a preparation method thereof, comprising the steps of:

[0027] S1. Weigh a certain amount of aluminum powder 20-30 parts, silicon powder 11-22 parts, manganese 10-18 parts, carbon 3-8 parts, zinc oxide powder 6-15 parts, copper 2-4 parts, mica powder 3 ~8 parts, 3~7 parts of talcum powder and solvent for standby, first add aluminum powder, silicon powder, manganese, carbon, copper and talcum powder into the mixing tank filled with solvent, heat and stir to obtain the mixture;

[0028] S2. Put zinc oxide powder and mica powder into the mixture obtained in step S1, then mix and stir, and then stir after standing, and stir until uniform to obtain a high-temperature resistant coating mixture;

[0029] S3, passing the high temperature resistant coating mixture obtained in step S2 through inspection, filling and storage;

[0030] In the step S1, the stirring rate is 300-500 r / min, and the time is 15-25 minutes.

[0031]...

Embodiment 1

[0039] S1. Weigh a certain amount of 25 parts of aluminum powder, 15 parts of silicon powder, 16 parts of manganese, 4 parts of carbon, 7 parts of zinc oxide powder, 3 parts of copper, 5 parts of mica powder, 6 parts of talcum powder and the solvent for later use. Add aluminum powder, silicon powder, manganese, carbon, copper and talcum powder into a mixing tank filled with solvent for heating and stirring to obtain a mixture;

[0040] S2. Put zinc oxide powder and mica powder into the mixture obtained in step S1, then mix and stir, and then stir after standing, and stir until uniform to obtain a high-temperature resistant coating mixture;

[0041] S3, passing the high temperature resistant coating mixture obtained in step S2 through inspection, filling and storage;

[0042] In the step S1, the stirring rate is 350 r / min, and the time is 22 minutes.

[0043] In the step S2, the stirring rate is 900 r / min, and the time is 26 minutes.

[0044] The standing time in the step S2 ...

Embodiment 2

[0049] S1. Weigh a certain amount of 30 parts of aluminum powder, 22 parts of silicon powder, 18 parts of manganese, 8 parts of carbon, 15 parts of zinc oxide powder, 4 parts of copper, 8 parts of mica powder, 7 parts of talcum powder and the solvent for later use. Add aluminum powder, silicon powder, manganese, carbon, copper and talcum powder into a mixing tank filled with solvent for heating and stirring to obtain a mixture;

[0050] S2. Put zinc oxide powder and mica powder into the mixture obtained in step S1, then mix and stir, and then stir after standing, and stir until uniform to obtain a high-temperature resistant coating mixture;

[0051] S3, passing the high temperature resistant coating mixture obtained in step S2 through inspection, filling and storage;

[0052] In the step S1, the stirring rate is 500 r / min, and the time is 25 minutes.

[0053] In the step S2, the stirring rate is 1000 r / min, and the time is 35 minutes.

[0054] The standing time in the step S...

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Abstract

The invention discloses a high-temperature-resistant exhaust pipe coating and a preparation method thereof. The coating is prepared from raw materials in parts by weight as follows: 20-30 parts of aluminum powder, 11-22 parts of silica powder, 10-18 parts of manganese, 3-8 parts of carbon, 6-15 parts of zinc oxide powder, 2-4 parts of copper, 3-8 parts of mica powder, 3-7 parts of talc and a solvent. The mica powder and the talc are added to the aluminum powder, the silica powder, the zinc oxide powder and the copper, the high-temperature resistance of the coating is enhanced, the porous state caused by thermal decomposition in the preparation process is improved due to addition of the mica powder and carbon black, the coating is more stable, the added solvent has characteristics of high-temperature resistance and high corrosion resistance, meanwhile, the stability of a coating material can be improved, and the coating is safe and environment-friendly. The coating has multiple functions of curing, toughening, diluting, prolonging the pot life and the like, is used as a curing agent and enables a cured product to have higher heat resistance, flame retardance and ablation resistance and excellent electrical properties.

Description

technical field [0001] The invention relates to the technical field of exhaust pipes, in particular to a high-temperature-resistant exhaust pipe coating and a preparation method thereof. Background technique [0002] High-temperature-resistant coatings are widely used in many fields such as automobiles, construction, metallurgy, and manufacturing, as well as daily necessities such as gas stoves, water heaters, and electric heaters, and are closely related to people's daily life and industrial production. With its unique properties, high-temperature-resistant coatings enable the functions of many products and equipment to be fully utilized, and become an indispensable new variety in the coatings industry. [0003] The automobile exhaust pipe is installed in the exhaust pipe between the engine exhaust branch pipe and the muffler, so that the entire exhaust system is flexibly connected, thereby reducing vibration and noise, facilitating installation and prolonging the life of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12C09D5/10
CPCC09D1/00C09D5/103C09D7/61
Inventor 刘华杨涛
Owner WUHU EVERSHINE AUTOMOTIVE COMPONENT
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