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High-temperature segment multi-color irreversible temperature indicating paint and preparation method thereof

A technology of temperature-indicating paint and high-temperature section, applied in the field of paint, can solve the problems of insignificant color change and large visual error, and achieve the effects of simple process, convenient production and simple process

Inactive Publication Date: 2019-05-21
中昊北方涂料工业研究设计院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the temperature-indicating paints used are products below 1000 °C, and there are few products above 1000 °C. The temperature measurement temperature range is mostly around 200 °C, and the color change is not obvious, and the visual error is large. Temperature-indicating paint products for measuring errors

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A multi-color changing irreversible temperature-indicating coating at high temperature, which is composed of the following components by weight: 5g of nickel oxide, 40g of titanium oxide, 30g of high-temperature resistant silicone resin, 30g of n-butanol, and 20g of cyclohexanone.

[0020] The preparation of the high-temperature section multi-color irreversible temperature-indicating coating includes the following steps:

[0021] (1) Mix nickel oxide with n-butanol, quickly disperse to a fineness of ≤20um by grinding, and filter to make color paste A with uniform color.

[0022] (2) Mix titanium oxide and cyclohexanone, disperse to a fineness of ≤30um with a high-speed disperser, and obtain color paste B after filtration.

[0023] (3) Pour the color paste A and color paste B into the high temperature resistant silicone resin, stir at high speed to mix and disperse evenly, the stirring speed is 300r / min, the time is controlled within 120min, and the final product can be ...

Embodiment 2

[0027] A high-temperature section multi-color irreversible temperature-indicating paint is composed of the following components by weight: 20g of antimony oxide, 20g of zinc oxide, 50g of high-temperature resistant silicone resin, 20g of n-butanol, and 40g of cyclohexanone.

[0028] The preparation of the high-temperature section multi-color irreversible temperature-indicating coating includes the following steps:

[0029] (1) Mix antimony oxide with n-butanol, quickly disperse it to fineness ≤ 20um by grinding, and make color paste A with uniform color after filtering.

[0030] (2) Mix zinc oxide and cyclohexanone, disperse to a fineness of ≤30um with a high-speed disperser, and obtain color paste B after filtration.

[0031] (3) Pour the color paste A and color paste B into the high temperature resistant silicone resin, stir at high speed to mix and disperse evenly, the stirring speed is 400r / min, and the time is controlled within 90min. After dispersion, the final product i...

Embodiment 3

[0035] A high-temperature section multi-color irreversible temperature-indicating paint is composed of the following components by weight: 10g of chromium oxide, 30g of aluminum oxide, 40g of high-temperature resistant silicone resin, 10g of n-butanol, and 30g of cyclohexanone.

[0036] The preparation of the high-temperature section multi-color irreversible temperature-indicating coating includes the following steps:

[0037] (1) Mix chromium oxide with n-butanol, quickly disperse to a fineness of ≤20um by grinding, and filter to make color paste A with uniform color.

[0038] (2) Mix alumina and cyclohexanone, disperse to a fineness of ≤30um with a high-speed disperser, and obtain color paste B after filtration.

[0039] (3) Pour the color paste A and color paste B into the high temperature resistant silicone resin, stir at a high speed to mix and disperse evenly, the stirring speed is 500r / min, and the time is controlled within 60min. After dispersion, the final product is ...

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Abstract

The invention discloses high-temperature segment multi-color irreversible temperature indicating paint. The high-temperature segment multi-color irreversible temperature indicating paint is prepared from the following components in percentage by weight: 5 to 20 parts of a color development substance, 20 to 40 parts of a high-temperature physical filler, 30 to 50 parts of high temperature resistantsilicone resin, 10 to 30 parts of a solvent A and 20 to 40 parts of a solvent B. The high-temperature segment multi-color irreversible temperature indicating paint disclosed by the invention is formed by mixing the color development substance, the high-temperature physical filler, the solvent A and the solvent B according to specific proportions, and has remarkably-obvious color change point, good temperature measuring property, measurable temperature of 800 to 1200 DEG C and measurement temperature range of about 50 to 100 DEG C; and by matched combination use, the measurement temperature range can be further narrowed and can reach 30 DEG C at minimum. The high-temperature segment multi-color irreversible temperature indicating paint disclosed by the invention is convenient to produce, simple and convenient in process and simple in process; and the high-temperature segment multi-color irreversible temperature indicating paint is suitable for measuring the surface temperatures of a continuous operation machine part and a complex structural part, or can measure temperature distribution of large-area surface of an object and also can simultaneously measure the temperatures of element parts.

Description

technical field [0001] The invention relates to a paint, in particular to a high-temperature section multi-color irreversible temperature-indicating paint and a preparation method thereof. Background technique [0002] Temperature-indicating paint is a special paint that uses color changes to indicate the surface temperature and temperature distribution of objects. Temperature-indicating paint was first used to measure the temperature of aircraft turbine engine blades, combustion chambers, nozzles, etc. It is very expensive and difficult to measure the actual temperature of rotating parts, such as turbine blades, through traditional slip ring leads and compound thermocouples, and can only measure the temperature of a single point. Similarly, high frequency pyrotechnics can only give the probe point temperature on the part where the pyrometer probe is aimed. Temperature-indicating coatings can provide a permanent, simple and relatively inexpensive solution to the problems e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D5/26
Inventor 丁渊文李建飞徐润斌田永丰
Owner 中昊北方涂料工业研究设计院有限公司
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