CN101705051A - Production method of 150-500 DEG C pleochromatic irreversible thermopaint - Google Patents
Production method of 150-500 DEG C pleochromatic irreversible thermopaint Download PDFInfo
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- CN101705051A CN101705051A CN200810236578A CN200810236578A CN101705051A CN 101705051 A CN101705051 A CN 101705051A CN 200810236578 A CN200810236578 A CN 200810236578A CN 200810236578 A CN200810236578 A CN 200810236578A CN 101705051 A CN101705051 A CN 101705051A
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Abstract
The invention relates to production and detection methods of 150-500 DEG C pleochromatic irreversible thermopaint containing the following components in percentage by mass: 30.0-80.0 percent of base stock, 2.5-8.0 percent of low-temperature organic pigment, 10.0-30.0 percent of low-temperature inorganic pigment, 15.0-5.0 percent of packing and 30.0-50.0 percent of solvents. The 150-500 DEG C pleochromatic irreversible thermopaint is a novel measuring tool with special purpose. The paint is the unique developed product of the low-temperature pleochromatic irreversible thermopaint in China since 1980s, is the effective complement of the traditional varieties of the pleochromatic irreversible thermopaint in China, lowers the temperature measuring limit of the traditional pleochromatic irreversible thermopaint varieties, achieves the zero breakthrough of developing the pleochromatic thermopaint in China to the low temperature direction, and widens the application range of the traditional pleochromatic irreversible thermopaint.
Description
Technical field
The present invention relates to a kind of production of 150 ℃～500 ℃ changeable look irreversible thermo-paints.
Background technology
Thermo-paint is a kind of novel temperature measurement tool with special purpose, and it is to change a kind of coating that comes directing object surface temperature and temperature distribution with color or outward appearance phenomenon; Because can be at thermometer, millivoltmeter etc. can not effectively use under the thermometric occasion, and have characteristics such as simple, convenient fast, directly perceived, thus be subjected to the attention of various countries scientific and technological circle, and carried out number of research projects.
Changeable look irreversible thermo-paint has big area field temp sensing function, and the memory top temperature is not destroyed object surface shape, does not influence characteristics such as air-flow condition, easy to use, intuitive measurement results.Therefore the thermometric that is widely used in parts such as engine chamber, turbine outer shroud turning vane, afterburning scatterer.
The development to changeable look irreversible thermo-paint is all paid attention in countries in the world.At present existing tens kinds, temperature span is 60 ℃～1300 ℃.
7 kinds of the irreversible thermo-paint series of the existing changeable look of SW-M of China, by development of northern coatings industry studying and designing institute and production, the thermometric span is respectively 8 kinds of 400 ℃～1250 ℃; Compare with world level, lack the changeable look product of low temperature.
(1) characteristic of changeable look irreversible thermo-paint
With changeable look irreversible thermo-paint thermometric, only just can measure the temperature distribution of a temperature range with a kind of coating, very convenient and economical; So wider than monotropic look irreversible thermo-paint purposes, it generally can be accurate to ± and 10 ℃～± 20 ℃.
(2) changeable look irreversible Application of Temperature Indicating Paint
Changeable look irreversible thermo-paint is mainly used in engine primary chamber, burner inner liner, turbine outer shroud turning vane, afterburning scatterer and other thermometrics dynamic or the big area field.
(3) development prospect of changeable look irreversible thermo-paint
Changeable look irreversible thermo-paint is present most widely used and maximum thermo-paint, and the problem that existing kind need solve is temperature range, color transition point setting, tonal variation and temperature measurement accuracy.Worldwide, need the new variety that the development temperature scope is big, color transition point is little at interval, variable color is obvious, temperature measurement accuracy is high.
Summary of the invention
The purpose of this invention is to provide irreversible thermo-paint of the changeable look of a kind of low temperature and detection method thereof, this coating be from the 1980s so far, unique development of the irreversible thermo-paint of the changeable look of domestic low temperature; It is effectively replenishing of the existing kind of domestic changeable look irreversible thermo-paint; It has reduced the thermometric temperature limit of existing changeable look thermo-paint kind, has realized zero breakthrough that domestic changeable look thermo-paint develops to the low temperature direction; It has widened existing changeable look irreversible Application of Temperature Indicating Paint scope.
The technical scheme of 150 ℃～500 ℃ changeable look irreversible thermo-paints of the present invention: it is characterized in that containing in this coating the component that following mass percent calculates content:
Base-material: 30.0%～80.0%;
Low temperature pigment dyestuff: 2.5%～8.0%;
Low temperature mineral dye: 10.0%～30.0%;
Filler: 15.0%～25.0%.
Solvent: 30.0%～50.0%
Above-mentioned base-material is silicone resin, epoxy silicone resin.
Above-mentioned low temperature pigment dyestuff is that alkaline bright blue, alkaline bright green, indigo, red, toluidine red, sun-proof are red, you are purplish red for lithol, permanent bordeaux, phthalocyanine blue, phthalein viridescent, Chinese blue, ultramarine.
Above-mentioned low temperature mineral dye is ammonium vanadate, lead carbonate, white lead carbonate, cadmium carbonate, Cadmium Sulphate.
Above-mentioned filler is titanium white, talcum powder, zinc oxide, magnesium oxide, stannic oxide, calcium oxide, aluminum oxide.
Above-mentioned solvent is toluene, dimethylbenzene.
The production method of this 150 ℃～500 ℃ changeable look irreversible thermo-paints is characterized in that production stage is as follows:
(1) batching and pre-mixing: by various components of proportioning weighing and mixing, stir, add an amount of solvent;
(2) grind dispersion: batch mixing is further ground dispersion with shredder, and fineness to 25～30 μ m get final product with Hegman grind gage control;
(3) be in harmonious proportion: tinning was standby after the mill base after disperseing was mixed well with residue base-material and solvent.
Among the present invention, the research by the coating process prescription mainly contains:
1. paint binder resin choice research;
2. the research of temperature-sensitive color stuffing thermal property;
3. the research of temperature-sensitive color stuffing thermo-color performance;
4. the composition of temperature-sensitive color stuffing is to the experimental study that influences of discoloration;
5. the supporting adaptability research of temperature-sensitive color stuffing and binder resin;
Realized the discoloration research of coating, mainly contained:
1. the research of the discoloring temperature scope of coating;
2. constant temperature time is to the influence research of coating discoloration
3. the discoloring temperature point of coating is demarcated research;
4. the research of the variable color aberration of coating;
5. the research of the temperature measurement error of coating.
Satisfied the applied research of coating, mainly contained:
1. engine chamber;
2. engine turbine outer shroud turning vane;
3. the afterburning scatterer of engine;
4. racing car associated components;
5. motorcycle associated components etc.
The technical indicator of 150 ℃～500 ℃ changeable look irreversible thermo-paints of the present invention is as follows:
(1) performance characteristics:
Range of measuring temp: 150 ℃～500 ℃;
Probe temperature point distributes: 8 of points for measuring temperature, 50 ℃ ± 2 ℃ of temperature intervals;
The thermometric colour-change: aberration is obvious, and is irreversible;
The thermo-color susceptibility: minimum answering time is not more than 5 minutes;
Working environment: adapt to atmospheric environment and engine operation environment;
Validity period: 24 months;
(2) detected result:
1. traditional performance: see Table 1
Table 1 traditional performance
2. thermocolour performance: see Table 2
Table 2 thermocolour performance
Embodiment
Embodiment one:
Base-material: 30.0%～80.0%;
Low temperature pigment dyestuff: 2.5%～8.0%;
Low temperature mineral dye: 10.0%～30.0%;
Filler: 15.0%～25.0%.
Solvent:: 30.0%～50.0%.
Above-mentioned base-material is silicone resin, epoxy silicone resin.
Above-mentioned low temperature pigment dyestuff is that alkaline bright blue, alkaline bright green, indigo, red, toluidine red, sun-proof are red, you are purplish red for lithol, permanent bordeaux, phthalocyanine blue, phthalein viridescent, Chinese blue, ultramarine.
Above-mentioned low temperature mineral dye is ammonium vanadate, lead carbonate, white lead carbonate, cadmium carbonate, Cadmium Sulphate.
Above-mentioned filler is titanium white, talcum powder, zinc oxide, magnesium oxide, stannic oxide, calcium oxide, aluminum oxide.
Above-mentioned solvent is toluene, dimethylbenzene.
Other embodiment:
| Raw material (%) | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Silicone based resin | ??52.77 | ??49.08 | ??50.12 | ??51.08 | ??52.02 |
| Pigment dyestuff | ??5.01 | ??4.82 | ??4.87 | ??4.94 | ??5.70 |
| Mineral dye | ??21.11 | ??19.08 | ??20.16 | ??20.86 | ??18.28 |
| Filler | ??21.11 | ??27.02 | ??24.85 | ??23.12 | ??24.00 |
The production method of low temperature of the present invention (150 ℃～500 ℃) changeable look irreversible thermo-paint:
(1) batching and pre-mixing: by various components of proportioning weighing and mixing, stir, add an amount of solvent;
(2) grind dispersion: batch mixing is further ground dispersion with shredder, and fineness to 25～30 μ m get final product with Hegman grind gage control;
(3) be in harmonious proportion: tinning was standby after the mill base after disperseing was mixed well with residue base-material and solvent.
The detection method of 150 ℃～500 ℃ changeable look irreversible thermo-paints of the present invention mainly refers to the thermocolour detection method:
(1) instrument and equipment
Present method adopts following instrument and equipment:
A) tube furnace, 1300 ℃;
B) roasting kiln, 1000 ℃;
C) silicon controlled rectifier temperature controller (or automatic electronic potentiometer), error ± 10 ℃;
D) platinum rhodium-platinum thermocouple, (20～1600) ℃, calibration LB-3;
E) digital thermometer, (0～1300) ℃, 0.1 ℃ of precision, error ± 5 ℃;
F) colour-difference meter, colourity (x, y): in ± 0.0002; Aberration (Δ E
*Ab): standard deviation is in 0.07.
(2) test (quiet barnyard or combustion gas atmosphere)
(2.1) mensuration of temperature indicating scope
(2.1.1) general rule
The temperature indicating scope is meant variable color minimum point temperature/be temperature indicating lower limit/T
DownWith vertex temperature/be the temperature indicating upper limit/T
OnThe fixed scope that is situated between.
Making sheet, the temperature range (T that demarcates at each trade mark
Down～T
On) in, respectively coating temperature indicating point change in color to be measured, concrete color transition point and color see Table 3.
(2.1.2) mensuration of temperature indicating lower limit
At T
DownPlace's constant temperature certain hour, considerable change occurs and conform to the color of demarcating as coating color: contrast is for the sample colour atla or see Table 2 numerical value, then T
DownBe the thermometric lower limit, otherwise the temperature indicating lower limit is defective.
(2.1.3) mensuration of the temperature indicating upper limit
At T
OnPlace's constant temperature certain hour, considerable change occurs and conform to the color of demarcating as coating color: contrast is for the sample colour atla or see Table 2 numerical value, then T
OnBe the mensuration upper limit, otherwise the temperature indicating upper limit is defective.
(2.2) color transition point (T
i) mensuration
(2.2.1) general rule
Making sheet is according to the requirement of the coating trade mark, respectively at corresponding color transition point (T
i) the constant temperature regular hour, conform to the color of demarcation as the coating Show Color: contrast is for the sample colour atla or see Table 2 numerical value, and then color transition point is qualified, otherwise defective.
(2.2.2) Control for Kiln Temperature below 100 ℃, is placed stove to test plate (panel) at point for measuring temperature, begin to heat up, control heat-up rate: about 20 ℃/min.
(2.2.3) rise to the T of relevant temperature point
iAfter begin constant temperature, constant temperature time is by the requirement of the coating trade mark, the constant temperature error is ± 5 ℃～10 ℃.Begin cooling after constant temperature finishes, cooling rate is 50 ℃/min～100 ℃/min.If, then test piece can be moved to fire door with the tube furnace heating; If then can extinguish stove fire with the roasting kiln heating.
(2.2.4) treat test plate (panel) cooling back taking-up,, illustrate that then the discoloration of this temperature spot is qualified if the color of color transition point conforms to the color of former demarcation (contrast is for the sample colour atla or see Table 2 numerical value).
(2.2.5) repeat (2.2.2), (2.2.3), (2.2.4), other color transition point is measured.
The mensuration of (2.3) variable color error
In the temperature indicating scope, get a temperature spot of any trade mark coating, method according to the rules goes out the temperature range value with the colour-change interpretation of coating; In addition, measure corresponding temperature value with thermopair simultaneously.The temperature value that temperature value that the coating interpretation is gone out and thermopair are surveyed compares, if the differences of two values within regulation numerical value, then variable color error is qualified; Otherwise it is defective.
(2.4) mensuration of constant temperature time
In the temperature indicating scope, get a color transition point of any trade mark coating, measure the color of coating behind the constant temperature certain hour, be less than or equal to the constant temperature time of regulation as the color transition of coating for the needed time of demarcating of color, then qualified; Otherwise it is defective.
Table 3 color transition point and color thereof
Claims (7)
1. 150 ℃～500 ℃ changeable look irreversible thermo-paints is characterized in that containing in this coating the component of calculating content by mass percentage:
Base-material: 30.0%～80.0%;
Low temperature pigment dyestuff: 2.5%～8.0%;
Low temperature mineral dye: 10.0%～30.0%;
Filler: 15.0%～25.0%.
Solvent: 30.0%～50.0%.
2. 150 ℃～500 ℃ changeable look irreversible thermo-paints according to claim 1, it is characterized in that: described base-material is silicone resin, epoxy silicone resin.
3. 150 ℃～500 ℃ changeable look irreversible thermo-paints according to claim 1 is characterized in that: described low temperature pigment dyestuff is that alkaline bright blue, alkaline bright green, indigo, red, toluidine red, sun-proof are red, you are purplish red for lithol, permanent bordeaux, phthalocyanine blue, phthalein viridescent, Chinese blue, ultramarine.
4. 150 ℃～500 ℃ changeable look irreversible thermo-paints according to claim 1, it is characterized in that: described low temperature mineral dye is ammonium vanadate, lead carbonate, white lead carbonate, cadmium carbonate, Cadmium Sulphate.
5. 150 ℃～500 ℃ changeable look irreversible thermo-paints according to claim 1, it is characterized in that: described filler is titanium white, talcum powder, zinc oxide, magnesium oxide, stannic oxide, calcium oxide, aluminum oxide.
6. 150 ℃～500 ℃ changeable look irreversible thermo-paints according to claim 1, it is characterized in that: described solvent is toluene, dimethylbenzene.
7. production method according to described 150 ℃～500 ℃ changeable look irreversible thermo-paints of each described book of claim 1 to 6 is characterized in that production stage is as follows:
(1) batching and pre-mixing: by various components of proportioning weighing and mixing, stir, add 30.0%～50.0% solvent;
(2) grind dispersion: batch mixing is further ground dispersion with grinding plant, and fineness to 25～30 μ m get final product with Hegman grind gage control;
(3) be in harmonious proportion: tinning was standby after the mill base after disperseing was mixed well with residue base-material and solvent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810236578A CN101705051A (en) | 2008-12-30 | 2008-12-30 | Production method of 150-500 DEG C pleochromatic irreversible thermopaint |
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|---|---|---|---|
| CN200810236578A CN101705051A (en) | 2008-12-30 | 2008-12-30 | Production method of 150-500 DEG C pleochromatic irreversible thermopaint |
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| Publication Number | Publication Date |
|---|---|
| CN101705051A true CN101705051A (en) | 2010-05-12 |
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ID=42375308
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|---|---|---|---|
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| CN102494351A (en) * | 2011-11-16 | 2012-06-13 | 神华集团有限责任公司 | Combustion furnace and method for monitoring inner lining of combustion furnace |
| CN103131265A (en) * | 2012-12-27 | 2013-06-05 | 王娟 | Temperature sensing type painting |
| CN103160200A (en) * | 2013-04-02 | 2013-06-19 | 河南省电力公司周口供电公司 | Infrared-monitored coating material and preparation method thereof |
| CN103326298A (en) * | 2013-07-15 | 2013-09-25 | 国家电网公司 | Electric power fittings applied to overhead line |
| CN103451980A (en) * | 2013-07-30 | 2013-12-18 | 山东鲁普科技有限公司 | Thermochromic rope and production method thereof |
| CN103709936A (en) * | 2013-12-18 | 2014-04-09 | 北京鼎一伟信科技发展有限公司 | Visual allochroic insulator coating and preparation method thereof |
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| CN105860827A (en) * | 2015-12-09 | 2016-08-17 | 中昊北方涂料工业研究设计院有限公司 | 1100 DEG C-1350 DEG C multi color-changing irreversible temperature indicating coating |
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-
2008
- 2008-12-30 CN CN200810236578A patent/CN101705051A/en active Pending
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| CN110724364B (en) * | 2019-11-16 | 2021-12-10 | 李字明 | 300-900 ℃ multi-color-changing irreversible temperature indicating material and preparation method and application thereof |
| CN110724364A (en) * | 2019-11-16 | 2020-01-24 | 李字明 | 300-900 ℃ multi-color-changing irreversible temperature indicating material and preparation method and application thereof |
| CN110698953B (en) * | 2019-11-16 | 2021-02-09 | 李煜阳 | 50-200 ℃ multi-color-changing irreversible temperature indicating material and preparation method and application thereof |
| CN110698953A (en) * | 2019-11-16 | 2020-01-17 | 李煜阳 | 50-200 ℃ multi-color-changing irreversible temperature indicating material and preparation method and application thereof |
| CN111057464A (en) * | 2019-12-16 | 2020-04-24 | 中昊北方涂料工业研究设计院有限公司 | Single-color-changing irreversible temperature indicating coating and preparation method thereof |
| CN111057464B (en) * | 2019-12-16 | 2021-12-14 | 中昊北方涂料工业研究设计院有限公司 | Single-color-changing irreversible temperature indicating coating and preparation method thereof |
| CN111253861A (en) * | 2020-03-25 | 2020-06-09 | 江苏纽克莱涂料有限公司 | High-temperature multi-color-changing irreversible temperature indicating coating for petrochemical equipment and preparation method thereof |
| CN111253861B (en) * | 2020-03-25 | 2021-10-22 | 江苏纽克莱涂料有限公司 | High-temperature multi-color-changing irreversible temperature indicating coating for petrochemical equipment and preparation method thereof |
| CN115011250A (en) * | 2022-05-27 | 2022-09-06 | 中国航发四川燃气涡轮研究院 | Isothermal line identification-based single-color-changing irreversible temperature indicating coating and coating manufacturing method |
| CN115109450A (en) * | 2022-06-14 | 2022-09-27 | 中昊北方涂料工业研究设计院有限公司 | Wide-range multi-color-change irreversible thermopaint and preparation method thereof |
| CN115232568A (en) * | 2022-07-29 | 2022-10-25 | 无锡市太湖防腐材料有限公司 | Irreversible temperature indicating paster for high temperature warning |
| CN115232568B (en) * | 2022-07-29 | 2023-12-08 | 无锡市太湖防腐材料有限公司 | Irreversible temperature indicating patch for high-temperature warning |
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