CN115232568B - Irreversible temperature indicating patch for high-temperature warning - Google Patents
Irreversible temperature indicating patch for high-temperature warning Download PDFInfo
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- CN115232568B CN115232568B CN202210907855.7A CN202210907855A CN115232568B CN 115232568 B CN115232568 B CN 115232568B CN 202210907855 A CN202210907855 A CN 202210907855A CN 115232568 B CN115232568 B CN 115232568B
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- temperature indicating
- silicon rubber
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- 230000002427 irreversible effect Effects 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 133
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 57
- 230000032683 aging Effects 0.000 claims abstract description 38
- 239000011241 protective layer Substances 0.000 claims abstract description 38
- 230000002265 prevention Effects 0.000 claims abstract description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 31
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 30
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 28
- 238000000227 grinding Methods 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 26
- 239000012752 auxiliary agent Substances 0.000 claims description 23
- 239000004945 silicone rubber Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 22
- 239000012790 adhesive layer Substances 0.000 claims description 19
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 15
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 14
- 239000000440 bentonite Substances 0.000 claims description 14
- 229910000278 bentonite Inorganic materials 0.000 claims description 14
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 14
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 14
- 239000004408 titanium dioxide Substances 0.000 claims description 14
- 239000000395 magnesium oxide Substances 0.000 claims description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 13
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 13
- 239000011787 zinc oxide Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 239000005055 methyl trichlorosilane Substances 0.000 claims description 7
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 7
- 229920006255 plastic film Polymers 0.000 claims description 7
- 229940116351 sebacate Drugs 0.000 claims description 7
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 229920002050 silicone resin Polymers 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 238000009736 wetting Methods 0.000 claims description 7
- 235000000177 Indigofera tinctoria Nutrition 0.000 claims description 4
- 229940097275 indigo Drugs 0.000 claims description 4
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000008096 xylene Substances 0.000 description 10
- 239000003973 paint Substances 0.000 description 8
- 239000002671 adjuvant Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229920002545 silicone oil Polymers 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/26—Thermosensitive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
- C09J2483/006—Presence of polysiloxane in the substrate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides an irreversible temperature indicating patch for high-temperature warning, which is convenient to use, accurate in temperature measurement, capable of realizing a color change temperature range from 270 ℃ to 320 ℃, convenient to replace once the temperature indication fails, and capable of avoiding the problems of environmental pollution, resource waste and the like; the irreversible temperature indicating patch is attached to the surface of the target to be warned and comprises an ultraviolet aging prevention layer, a temperature indicating layer, a silicon rubber basal layer, a bonding layer and a protective layer which are sequentially laminated from top to bottom.
Description
Technical Field
The invention relates to the technical field of temperature indicating patches, in particular to an irreversible temperature indicating patch for high-temperature warning.
Background
With the rapid development of modern science and technology, new requirements are put on the temperature measurement technology: simple, quick, convenient, accurate, etc. The temperature indicating paint is a functional paint, and the surface temperature and temperature distribution of the protected object are indicated by the formed coating appearance (color) change. In recent years, the temperature indicating paint is also used for measuring the surface temperature of all parts of weaponry such as rockets, missiles and the like and measuring the surface temperature distribution of surrounding objects during nuclear explosion at home and abroad, and the temperature indicating paint can replace temperature measuring tools such as thermometers, thermocouples and the like to indicate the temperature, is particularly suitable for occasions where a common thermometer cannot measure or is difficult to measure, has simple, convenient and economic temperature measurement, and is particularly suitable for large-area temperature measurement.
The temperature measurement technology is widely adopted in western developed countries, and can obtain the temperature field distribution of the tested parts, especially the parts rotating at high speed without any limitation. The irreversible temperature-indicating paint has wide application prospect and great application value, and western countries list the irreversible temperature-indicating paint as a combat readiness material, and some of the irreversible temperature-indicating paint is forbidden to be sold in the market.
However, the temperature indicating paint is sprayed on the surface of the object to be warned in a spraying manner to form a coating, the residual coating is required to be removed in a solvent cleaning and sand blasting manner after temperature indication is completed, and then the coating is sprayed again, so that the operation is complicated, the problems of environmental pollution, resource waste and the like are solved, and therefore, the application research on the temperature indicating product for warning is required.
Disclosure of Invention
Aiming at the problems, the invention provides the irreversible temperature indicating patch for high-temperature warning, which is convenient to use, accurate in temperature measurement, capable of realizing the color change temperature range from 270 ℃ to 320 ℃, convenient to replace once the temperature indication fails, and capable of avoiding the problems of environmental pollution, resource waste and the like.
The technical scheme is as follows: an irreversible temperature indicating patch for high temperature warning, which is characterized in that: the temperature indicating patch is attached to the surface of a target to be warned and comprises an ultraviolet aging prevention layer, a temperature indicating layer, a silicon rubber basal layer, a bonding layer and a protective layer which are sequentially laminated from top to bottom.
Preferably, the anti-ultraviolet aging layer comprises organic silicon resin and anti-ultraviolet aging auxiliary agent which are mixed, the mixed liquid is coated on the surface of the temperature indicating layer in a brush coating or spray coating mode, and the anti-ultraviolet aging layer with the thickness of 25-30 μm is formed by solidification; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2, 6-tetramethyl-4-piperidinyl) sebacate, wherein the mass ratio between the silicone resin and the anti-ultraviolet ageing auxiliary is 500.0-500.5;
preferably, the silicone rubber substrate layer is made of silicone rubber; the thickness of the silicon rubber substrate layer is 490-500 mu m;
preferably, the adhesive layer is silica gel and is smeared on the bottom surface of the silicon rubber substrate layer, and the thickness of the adhesive layer is 90-100 mu m;
preferably, the protective layer is adhered to the surface of the target to be warned, the protective layer is adhered to the bonding layer, and the protective layer is any one of hydrophobic non-adhesive paper and plastic film;
preferably, the temperature indicating layer comprises the following components in percentage by mass:
and a component A: 40-45% of high-temperature resistant resin, 5-10% of pigment, 15-25% of filler, 23-30% of solvent and 2-5% of auxiliary agent;
and the component B: a curing agent;
wherein the ratio of the component A to the component B is 25.0-25.5;
preferably, the high temperature resistant resin is organic silicon resin; methyl trichlorosilane adopted by the curing agent; a wetting dispersant adopted by the auxiliary agent; the pigment adopts a formula C 28 H 14 N 2 O 4 Vat blue of formula C 16 H 10 N 2 O 2 Is any one of the indigo;
preferably, the filler comprises zinc oxide, magnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide, the magnesium oxide, the titanium dioxide and the bentonite is 1.0+/-0.05:0.5+/-0.05:1.0+/-0.05:0.5+/-0.05;
preferably, the solvent comprises toluene, xylene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of toluene, xylene, acetone and butyl acetate is 1.0+/-0.05:0.5+/-0.05: 1.0±0.05: 0.5+ -0.05;
preferably, the preparation of the temperature indicating layer comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed to obtain slurry, stirring at a speed of 1500-2000 r/min for 20-30 min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture to a fineness of below 40-50 mu m;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 10-15 min to obtain a mixed coating;
s3, adopting silicon rubber as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer, drying for 1.5-2 min at the temperature of 200 ℃ in a vacuum drying oven, spraying a second time, and drying again until the total thickness of the dry film is controlled to be 35-40 mu m, thereby forming the temperature indicating layer on the surface of the silicon rubber substrate layer.
The temperature indicating patch has the advantages that the temperature indicating patch can be conveniently attached to the surface of a protected object to be warned, the use is convenient, the temperature indicating patch can be conveniently taken down and replaced after the temperature indication is finished, the environment pollution and the resource waste are avoided, the color changing patch has the characteristics of quick color changing, obvious color changing, easy identification, no toxicity and no pollution, the color changing temperature can be realized from 270 ℃ to 320 ℃, the temperature indicating precision is high, the temperature measurement and identification can be conveniently carried out on occasions where the ordinary temperature measuring tool cannot measure and the personnel cannot approach, and the use effect is good.
Drawings
Fig. 1 is a schematic structural view of a patch of the present invention.
Detailed Description
Example 1
As shown in fig. 1, an irreversible temperature indicating patch for high temperature warning is attached to the surface of a target to be warned, and the temperature indicating patch comprises an ultraviolet aging prevention layer 1, a temperature indicating layer 2, a silicone rubber substrate layer 3, an adhesive layer 4 and a protective layer 5 which are sequentially laminated from top to bottom.
The ultraviolet aging resistant layer 1 is formed by mixing organic silicon resin and ultraviolet aging resistant auxiliary agent, the mixed liquid is coated on the surface of the temperature display layer 2 in a brush coating or spray coating mode, and the ultraviolet aging resistant layer 1 with the thickness of 25 mu m is formed by solidification; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2, 6-tetramethyl-4-piperidinyl) sebacate of (2), wherein the organosilicon treeThe mass ratio between the grease and the uv-ageing auxiliary was 500.0 (i.e. the mass ratio of silicone resin to uv-ageing auxiliary in this example could be 100:0.2). Silicone rubber used for the silicone rubber base layer 3; the thickness of the silicone rubber base layer 3 was 490 μm.
The bottom bonding layer 4 is required to have better adhesion to protected equipment (metal surface or equipment coated with primer) and better heat conduction performance and high temperature resistance, the high-temperature high-heat conduction silica gel adopted by the bonding layer 4 is smeared on the bottom surface of the silicon rubber substrate layer 3, and the thickness of the bonding layer 4 is 90 mu m; the protective layer 5 is mainly used for preventing the adhesive layer 4 from being polluted, the protective layer 5 is adhered to the surface of the object to be warned, the protective layer 5 is adhered to the adhesive layer 4, the protective layer 5 is made of any one of hydrophobic non-adhesive paper and plastic film, and the protective layer needs to be torn off when the anti-adhesive film is used, so the anti-pollution warning device is in the following embodiments.
The temperature indicating layer 2 comprises the following components in percentage by mass:
and a component A: 45% of high-temperature resistant resin, 5% of pigment, 15% of filler, 30% of solvent and 5% of auxiliary agent;
and the component B: a curing agent;
the mass ratio between the component a and the component b is 25.0, i.e. the mass ratio between the component a and the component b in this embodiment may be 25:1.
The high-temperature resistant resin adopts organic silicon resin; methyl trichlorosilane adopted as a curing agent; wetting dispersants used as adjuvants, such as silicone oils; formula C used for pigments 28 H 14 N 2 O 4 Is a vat blue of (2); the filler comprises zinc oxide, magnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide, the magnesium oxide, the titanium dioxide and the bentonite is 1.0:0.5:1.0: 0.5; the solvent comprises toluene, xylene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of the toluene, the xylene, the acetone and the butyl acetate is 1.0:0.5:1.0:0.5.
the preparation of the temperature indicating layer 2 comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed to obtain slurry, stirring at a stirring speed of 1500r/min for 20min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture until the fineness is below 40 mu m;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 10min to obtain a mixed coating;
s3, adopting high-temperature-resistant, high-heat-conductivity, good-insulation and good-strength silicon rubber (the thickness is 490 mu m, and the thickness can be adjusted according to the requirements of customers) as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer 3, drying for 1.5min at 200 ℃ in a vacuum drying oven, spraying a second time, and drying again until the total thickness of the dry film is controlled to be 35 mu m, thereby forming the temperature indicating layer 2 on the surface of the silicon rubber substrate layer 3.
Example two
As shown in fig. 1, an irreversible temperature indicating patch for high temperature warning is attached to the surface of a target to be warned, and the temperature indicating patch comprises an ultraviolet aging prevention layer 1, a temperature indicating layer 2, a silicone rubber substrate layer 3, an adhesive layer 4 and a protective layer 5 which are sequentially laminated from top to bottom.
The ultraviolet aging resistant layer 1 is formed by mixing organic silicon resin and ultraviolet aging resistant auxiliary agent, the mixed liquid is coated on the surface of the temperature display layer 2 in a brush coating or spray coating mode, and the ultraviolet aging resistant layer 1 with the thickness of 26 mu m is formed by solidification; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2, 6-tetramethyl-4-piperidinyl) sebacate, wherein the mass ratio between the silicone resin and the uv-ageing resistance auxiliary is 500.1. Silicone rubber used for the silicone rubber base layer 3; the thickness of the silicone rubber base layer 3 was 495 μm.
The bottom bonding layer 4 is required to have better adhesion to protected equipment (metal surface or equipment coated with primer) and better heat conduction performance and high temperature resistance, the high-temperature high-heat conduction silica gel adopted by the bonding layer 4 is smeared on the bottom surface of the silicon rubber substrate layer 3, and the thickness of the bonding layer 4 is 95 mu m; the protective layer 5 is mainly used for preventing the adhesive layer 4 from being polluted, the protective layer 5 is adhered to the surface of the target to be warned, the protective layer 5 is adhered to the adhesive layer 4, and the protective layer 5 adopts any one of hydrophobic non-adhesive paper and plastic film.
The temperature indicating layer 2 comprises the following components in percentage by mass:
and a component A: 45% of high-temperature resistant resin, 6% of pigment, 15% of filler, 30% of solvent and 4% of auxiliary agent;
and the component B: a curing agent;
wherein the mass ratio of the component A to the component B is 25.1.
The high-temperature resistant resin adopts organic silicon resin; methyl trichlorosilane adopted as a curing agent; wetting dispersants used as adjuvants, such as silicone oils; formula C used for pigments 28 H 14 N 2 O 4 Is a vat blue of (2); the filler comprises zinc oxide, magnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide to the magnesium oxide to the titanium dioxide to the bentonite is 0.95:0.45:0.95:0.45; the solvent comprises toluene, xylene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of the toluene, the xylene, the acetone and the butyl acetate is 0.95:0.45:0.95:0.45.
the preparation of the temperature indicating layer 2 comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed of 1600r/min to obtain slurry, stirring for 22min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture until the fineness is below 43 mu m;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 12min to obtain a mixed coating;
s3, adopting high-temperature-resistant, high-heat-conductivity, good-insulation and good-strength silicon rubber (the thickness is 495 mu m, and the thickness can be adjusted according to the requirements of customers) as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer 3, drying for 1.5min at 200 ℃ in a vacuum drying oven, spraying a second channel, and drying again until the total thickness of the dry film is controlled at 36 mu m, thereby forming the temperature indicating layer 2 on the surface of the silicon rubber substrate layer 3.
Example III
As shown in fig. 1, an irreversible temperature indicating patch for high temperature warning is attached to the surface of a target to be warned, and the temperature indicating patch comprises an ultraviolet aging prevention layer 1, a temperature indicating layer 2, a silicone rubber substrate layer 3, an adhesive layer 4 and a protective layer 5 which are sequentially laminated from top to bottom.
The ultraviolet aging resistant layer 1 is formed by mixing organic silicon resin and ultraviolet aging resistant auxiliary agent, the mixed liquid is coated on the surface of the temperature display layer 2 in a brush coating or spray coating mode, and the ultraviolet aging resistant layer 1 with the thickness of 27 mu m is formed by solidification; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2, 6-tetramethyl-4-piperidinyl) sebacate, wherein the mass ratio between the silicone resin and the uv-ageing resistance auxiliary is 500.2. Silicone rubber used for the silicone rubber base layer 3; the thickness of the silicone rubber base layer 3 was 496 μm.
The bottom bonding layer 4 is required to have better adhesion to protected equipment (metal surface or equipment coated with primer) and better heat conduction performance and high temperature resistance, the high-temperature high-heat conduction silica gel adopted by the bonding layer 4 is smeared on the bottom surface of the silicon rubber substrate layer 3, and the thickness of the bonding layer 4 is 96 mu m; the protective layer 5 is mainly used for preventing the adhesive layer 4 from being polluted, the protective layer 5 is adhered to the surface of the target to be warned, the protective layer 5 is adhered to the adhesive layer 4, and the protective layer 5 adopts any one of hydrophobic non-adhesive paper and plastic film.
The temperature indicating layer 2 comprises the following components in percentage by mass:
and a component A: 42% of high-temperature resistant resin, 8% of pigment, 20% of filler, 28% of solvent and 2% of auxiliary agent;
and the component B: a curing agent;
wherein the mass ratio of the component A to the component B is 25.2.
The high-temperature resistant resin adopts organic silicon resin; methyl trichlorosilane adopted as a curing agent; wetting dispersants used as adjuvants, such as silicone oils; formula C used for pigments 16 H 10 N 2 O 2 Indigo of (a); the filler comprises zinc oxideMagnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide, the magnesium oxide, the titanium dioxide and the bentonite is 0.95:0.45:0.95:0.45; the solvent comprises toluene, xylene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of the toluene, the xylene, the acetone and the butyl acetate is 0.95:0.45:0.95:0.45.
the preparation of the temperature indicating layer 2 comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed of 1700r/min to obtain slurry, stirring for 27min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture until the fineness is below 48 mu m;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 14min to obtain a mixed coating;
s3, adopting high-temperature-resistant, high-heat-conductivity, good-insulation and good-strength silicon rubber (the thickness is 496 mu m, and the thickness can be adjusted according to the requirements of customers) as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer 3, drying for 2min at 200 ℃ in a vacuum drying oven, spraying a second time, and drying again until the total thickness of the dry film is controlled at 38 mu m, thereby forming the temperature indicating layer 2 on the surface of the silicon rubber substrate layer 3.
Example IV
As shown in fig. 1, an irreversible temperature indicating patch for high temperature warning is attached to the surface of a target to be warned, and the temperature indicating patch comprises an ultraviolet aging prevention layer 1, a temperature indicating layer 2, a silicone rubber substrate layer 3, an adhesive layer 4 and a protective layer 5 which are sequentially laminated from top to bottom.
The ultraviolet aging resistant layer 1 is formed by mixing organic silicon resin and ultraviolet aging resistant auxiliary agent, the mixed liquid is coated on the surface of the temperature display layer 2 in a brush coating or spray coating mode, and the mixed liquid is solidified to form the ultraviolet aging resistant layer 1 with the thickness of 29 mu m; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2, 6-tetramethyl-4-piperidinyl) sebacate, wherein the mass ratio between the silicone resin and the uv-ageing resistance auxiliary is 500.3. Silicon rubberA silicone rubber used for the adhesive base layer 3; the thickness of the silicone rubber base layer 3 was 498 μm.
The bottom bonding layer 4 is required to have better adhesion to protected equipment (metal surface or equipment coated with primer) and better heat conduction performance and high temperature resistance, the high-temperature high-heat conduction silica gel adopted by the bonding layer 4 is smeared on the bottom surface of the silicon rubber substrate layer 3, and the thickness of the bonding layer 4 is 98 mu m; the protective layer 5 is mainly used for preventing the adhesive layer 4 from being polluted, the protective layer 5 is adhered to the surface of the target to be warned, the protective layer 5 is adhered to the adhesive layer 4, and the protective layer 5 adopts any one of hydrophobic non-adhesive paper and plastic film.
The temperature indicating layer 2 comprises the following components in percentage by mass:
and a component A: 40% of high-temperature resistant resin, 8% of pigment, 25% of filler, 25% of solvent and 2% of auxiliary agent;
and the component B: a curing agent;
wherein the mass ratio of the component A to the component B is 25.3.
The high-temperature resistant resin adopts organic silicon resin; methyl trichlorosilane adopted as a curing agent; wetting dispersants used as adjuvants, such as silicone oils; formula C used for pigments 16 H 10 N 2 O 2 Indigo of (a); the filler comprises zinc oxide, magnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide to the magnesium oxide to the titanium dioxide to the bentonite is 1.05:0.55:1.05:0.55; the solvent comprises toluene, xylene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of the toluene, the xylene, the acetone and the butyl acetate is 1.05:0.55:1.05:0.55.
the preparation of the temperature indicating layer 2 comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed to obtain slurry, stirring at a stirring speed of 1800r/min for 28min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture until the fineness is below 48 mu m;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 10-15 min to obtain a mixed coating;
s3, adopting high-temperature-resistant, high-heat-conductivity, good-insulation and good-strength silicon rubber (the thickness is 498 mu m, and the thickness can be adjusted according to the requirements of customers) as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer 3, drying for 2min at 200 ℃ in a vacuum drying oven, spraying a second time, and drying again until the total thickness of the dry film is controlled to be 40 mu m, thereby forming the temperature indicating layer 2 on the surface of the silicon rubber substrate layer 3.
Example five
As shown in fig. 1, an irreversible temperature indicating patch for high temperature warning is attached to the surface of a target to be warned, and the temperature indicating patch comprises an ultraviolet aging prevention layer 1, a temperature indicating layer 2, a silicone rubber substrate layer 3, an adhesive layer 4 and a protective layer 5 which are sequentially laminated from top to bottom.
The ultraviolet aging resistant layer 1 is formed by mixing organic silicon resin and ultraviolet aging resistant auxiliary agent, the mixed liquid is coated on the surface of the temperature display layer 2 in a brush coating or spray coating mode, and the ultraviolet aging resistant layer 1 with the thickness of 30 mu m is formed by solidification; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2, 6-tetramethyl-4-piperidinyl) sebacate, wherein the mass ratio between the silicone resin and the uv-ageing resistance aid is 500.5. Silicone rubber used for the silicone rubber base layer 3; the thickness of the silicone rubber base layer 3 was 500 μm.
The bottom bonding layer 4 is required to have better adhesion to protected equipment (metal surface or equipment coated with primer) and better heat conduction performance and high temperature resistance, the high-temperature high-heat conduction silica gel adopted by the bonding layer 4 is smeared on the bottom surface of the silicon rubber substrate layer 3, and the thickness of the bonding layer 4 is 100 mu m; the protective layer 5 is mainly used for preventing the adhesive layer 4 from being polluted, the protective layer 5 is adhered to the surface of the target to be warned, the protective layer 5 is adhered to the adhesive layer 4, and the protective layer 5 adopts any one of hydrophobic non-adhesive paper and plastic film.
The temperature indicating layer 2 comprises the following components in percentage by mass:
and a component A: 40% of high-temperature resistant resin, 10% of pigment, 25% of filler, 23% of solvent and 2% of auxiliary agent;
and the component B: a curing agent;
wherein the mass ratio of the component A to the component B is 25.5.
The high-temperature resistant resin adopts organic silicon resin; methyl trichlorosilane adopted as a curing agent; wetting dispersants used as adjuvants, such as silicone oils; formula C used for pigments 28 H 14 N 2 O 4 Is a vat blue of (2); the filler comprises zinc oxide, magnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide, the magnesium oxide, the titanium dioxide and the bentonite is 1.05|0.55|1.05:0.55; the solvent comprises toluene, dimethylbenzene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of the toluene, the dimethylbenzene, the acetone and the butyl acetate is 1.05:0.55:1.05:0.55.
The preparation of the temperature indicating layer 2 comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed of 2000r/min to obtain slurry, stirring for 30min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture until the fineness is below 50 mu m;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 15min to obtain a mixed coating;
s3, adopting high-temperature-resistant, high-heat-conductivity, good-insulation and good-strength silicon rubber (the thickness is 500 mu m, and the thickness can be adjusted according to the requirements of customers) as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer 3, drying for 2min at 200 ℃ in a vacuum drying oven, spraying a second time, and drying again until the total thickness of the dry film is controlled to be 40 mu m, thereby forming the temperature indicating layer 2 on the surface of the silicon rubber substrate layer 3.
In summary, the following summary is presented in terms of the five embodiments described above:
table 1 shows the main composition ratio of the formula of the component A in the temperature display layer
According to the formula in the first table, the thermochromatic performance of the temperature indicating layer is tested by using a color difference meter, the color test adopts a DataColor color difference meter, and the result is shown in the table 2:
table 2 shows the chromaticity changes before and after the discoloration of the temperature patch
As can be seen from table 2, the color difference before and after the temperature indicating patch was changed in color is very remarkable (blue to grey-white with naked eyes, the maximum color difference is 37.62Lab, where Lab is a unit of color difference value).
The invention adopts a high-precision temperature acquisition system to test temperature change, the error is less than 0.1%, a prepared patch sample (embodiment I) is observed to be blue at room temperature, then the patch sample is horizontally placed on the surface of a precision graphite constant-temperature electric heating plate, the patch sample is heated to 270 ℃ at a heating rate of 10 ℃/min, the color of the patch sample plate starts to be suddenly changed, and the color is completely whitened within 10 min.
The invention provides a high-temperature-resistant, nontoxic and noncorrosive irreversible single-color-changing (about 300 ℃) irreversible temperature-indicating patch which is divided into five layers according to a functional structure, wherein the uppermost layer is a visible light transparent ultraviolet aging-preventing layer, the second layer is a color-changing temperature-indicating layer, the third layer is a silicon rubber substrate layer, the fourth layer is a bonding layer, and the bottom layer is a protective layer; in the preparation process, the environment-friendly irreversible temperature-indicating patch with the color-changing temperature ranging from 270 ℃ to 320 ℃ is prepared by adjusting the formulas of the pigment and the base material, the protective layer is torn off and can be conveniently attached to the surface of equipment needing to be alerted, meanwhile, once the coating is invalid or the temperature indication is completed, the protective layer can be conveniently taken down and replaced, the color-changing performance is excellent (the color-changing color difference is obvious, the color difference can reach more than 37.62Lab from blue to white), the temperature-indicating precision is +/-10 ℃, the temperature-indicating precision is high, and the protective layer is nontoxic, pollution-free and corrosion-free, and has the characteristics of convenience in use, quick color change, obvious color change and easiness in recognition, no toxicity and pollution, simplicity in use and high reliability; the temperature measuring instrument can be widely applied to the fields of aviation, petrochemical industry, metallurgy, electronics and the like, can conveniently measure and mark the temperature in the occasions where the common temperature measuring instrument cannot measure and the personnel cannot approach, and can also be used as an alarm for the equipment to reach the limit temperature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (2)
1. An irreversible temperature indicating patch for high temperature warning, which is characterized in that: the temperature indicating patch comprises an ultraviolet aging prevention layer, a temperature indicating layer, a silicon rubber basal layer, a bonding layer and a protective layer which are sequentially laminated from top to bottom; the ultraviolet aging resistant layer comprises organic silicon resin and ultraviolet aging resistant auxiliary agent which are mixed, the mixed liquid is coated on the surface of the temperature display layer in a brush coating or spray coating mode, and the ultraviolet aging resistant layer with the thickness of 25-30 mm is formed by curing; the anti-ultraviolet aging auxiliary agent adopts a chemical formula C 28 H 52 N 2 O 4 Bis (2)2, 6-tetramethyl-4-piperidinyl) sebacate, wherein the mass ratio between the silicone resin and the anti-ultraviolet ageing auxiliary is 500.0-500.5; silicone rubber adopted by the silicone rubber substrate layer; the thickness of the silicon rubber substrate layer is 490-500 mm; the adhesive layer is made of silica gel and is smeared on the bottom surface of the silicon rubber substrate layer, and the thickness of the adhesive layer is 90-100 mm; the protective layer is adhered to the bonding layer, and the protective layer is any one of hydrophobic non-adhesive gummed paper and plastic film; the temperature display layer comprises the following components in percentage by mass:
and a component A: 40-45% of high-temperature resistant resin, 5-10% of pigment, 15-25% of filler, 23-30% of solvent and 2-5% of auxiliary agent;
and the component B: a curing agent;
wherein the ratio of the component A to the component B is 25.0-25.5; the preparation of the temperature indicating layer comprises the following steps:
s1, uniformly mixing the components A according to a proportion, adding the mixture into a stirring tank of a grinder for pre-dispersing, stirring at a high speed to obtain slurry, stirring at a speed of 1500-2000 r/min for 20-30 min, adding glass grinding beads with the same mass for grinding, and quickly grinding the mixture until the fineness is below 40-50 mm;
s2, adding the component B into the grinding mixture prepared in the step S1 according to a proportion, and stirring for 10-15 min to obtain a mixed coating;
s3, adopting silicon rubber as a bottom plate, spraying the mixed coating prepared in the step S2 on the surface of the silicon rubber substrate layer, drying for 1.5-2 min at the temperature of 200 ℃ in a vacuum drying oven, spraying a second channel, and drying again until the total thickness of the dry film is controlled to be 35-40 mm, thereby forming the temperature indicating layer on the surface of the silicon rubber substrate layer;
the high-temperature resistant resin adopts organic silicon resin; methyl trichlorosilane adopted by the curing agent; a wetting dispersant adopted by the auxiliary agent; the pigment adopts a formula C 28 H 14 N 2 O 4 Vat blue of formula C 16 H 10 N 2 O 2 Any of the indigo of (c)Seed; the filler comprises zinc oxide, magnesium oxide, titanium dioxide and bentonite, wherein the mass ratio of the zinc oxide, the magnesium oxide, the titanium dioxide and the bentonite is 1.0+/-0.05:0.5+/-0.05:1.0+/-0.05:0.5+/-0.05.
2. An irreversible temperature indicating patch for high temperature warning as claimed in claim 1, wherein: the solvent comprises toluene, dimethylbenzene, acetone and butyl acetate which are mixed and synthesized, wherein the mass ratio of the toluene, the dimethylbenzene, the acetone and the butyl acetate is 1.0+/-0.05:0.5+/-0.05:1.0+/-0.05:0.5+/-0.05.
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