CN105950077A - Thermochromic adhesive and preparation method thereof and adhesive tape made from adhesive - Google Patents
Thermochromic adhesive and preparation method thereof and adhesive tape made from adhesive Download PDFInfo
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- CN105950077A CN105950077A CN201610201479.4A CN201610201479A CN105950077A CN 105950077 A CN105950077 A CN 105950077A CN 201610201479 A CN201610201479 A CN 201610201479A CN 105950077 A CN105950077 A CN 105950077A
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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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- 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
- C08K3/38—Boron-containing compounds
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J7/21—Paper; Textile fabrics
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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
- 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
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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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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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
- C09J2301/124—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 on both sides of the carrier, e.g. double-sided adhesive tape
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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
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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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
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
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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
- C09J2433/00—Presence of (meth)acrylic polymer
Abstract
The invention provides a thermochromic adhesive and a preparation method thereof and an adhesive tape made from the adhesive. The thermochromic adhesive tape has advantages of adjustable chromism sensitivity and a chromism temperature range, high binding power, and long storage life, and is stable in performance and free of any organic solvent. The adhesive tape can be widely applied to temperature monitoring of a transformer, temperature monitoring of freight transport and storage, overheating monitoring of mechanical protection, temperature monitoring of an electronic device, and components, such as a transmitter and heat exchanger, of an air conditioner system.
Description
Technical field
The present invention relates to field of new, be specifically related to a kind of temperature induced color changing adhesive, adhesive tape and preparation method thereof.The invention provides the preparation method of this adhesive and adhesive tape, workable, it is simple to commercial production.Product excellent combination property of the present invention, die-cuttable processing, it is possible to be widely used in the overheated monitoring in terms of electric power converting equipment temperature monitoring, the monitoring of goods shipping storage temperature, mechanical protection, temperature monitoring in terms of electronic equipment and the air conditioning system components such as conveyer and heat exchanger etc..
Background technology
Pressure sensitive adhesive has and has only to apply the advantage that pressure can complete to paste, and is applied medical, automobile, building, electronics etc. are multi-field.Pressure-sensitive acrylate is the pressure sensitive adhesive being most widely used at present, it is the copolymer of acrylate monomer and other vinyl monomer, be characterized in molecular structure without unsaturated bond and have ageing-resistant, fast light, adhesive strength is good, water white advantage, and it is extensive to have material source, is easily-synthesized, good endurance, cryogenic property is good, and toxicity is little, the bonding superior combination property such as wide.
Temperature-sensitive material is the material for detecting variations in temperature, has important use at industrial circle.As the color copper product of electric appliance casing needs to coordinate coating and suitable temperature baking, optimum efficiency could be obtained, before spraying process, utilize temperature-sensitive material to can decide whether to reach temperature required.Generating electricity in Utilities Electric Co., temperature-sensitive material can detect overtemperature, seeks immediately to mediate with prevention generation major accident.Temperature-sensitive material can be also used for wheel, axle box, on rail, and regular check whether overtemperature, it can be ensured that vehicle runs well and traffic safety；For circuit, resistance, electric capacity, instrument, the detection of high power valve, integrated circuit etc.；The detection etc. of food safety.
It is an object of the invention to synthesize adhesive and the adhesive tape of temperature induced color changing, can be affixed on the article or equipment that need to detect, the temperature detecting whether to reach to specify easily and fast.
The present invention solves the technical scheme of above-mentioned technical problem and is to provide a kind of temperature induced color changing adhesive and adhesive tape.
What the present invention used the specific scheme is that
A kind of temperature induced color changing glue, it is characterized in that, be made up of the raw material of following weight percents: acrylate soft monomer 45-80, acrylate hard monomer 5-15, function monomer 5-8, emulsifying agent 0-5, temperature induced color changing powder body 0.5-20, thermal initiator 0-5, ultraviolet initiator 0-5, auxiliary agent 0-5.
Described temperature induced color changing glue, it is characterised in that temperature induced color changing powder body is the heat discoloration powder that aggregated thing is modified；Wherein, heat discoloration powder is WO3、CeO2、Bi2O3、BiVO4、In2O3, Material of Fluoran, spiropyran, dianthracene ketone, Schiff bases, tritan., one or more combination in commercially available various heat discoloration powder；Polymer is the one or more combination thing in polyurethane, polyacrylate, polysiloxanes, polyvinyl alcohol, polystyrene；Temperature induced color changing powder body is that the method for aggregated thing modification is: after being blended 20-25 minute at 38-42 DEG C by the ethanol of 100 parts of heat discoloration powder and KH550 or KH570 of about 5 parts, about 100 parts, adding polymer, be blended 40-45 minute, normal temperature drying obtains temperature induced color changing powder body after 6-7 hour.
Described temperature induced color changing glue, it is characterised in that the acrylate soft monomer one or more mixture in ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer, 2-Propenoic acid, 2-methyl-, isooctyl ester, lauryl acrylate and octadecyl acrylate；The acrylate hard monomer one or more mixture in styrene, vinylacetate, acrylonitrile, acrylamide, methyl methacrylate and acrylic acid methyl ester.；One or more in acrylic acid, methacrylic acid, 2-(Acryloyloxy)ethanol, hydroxyethyl methylacrylate, Hydroxypropyl acrylate, n-methylolacrylamide, butoxymethylol acrylamide, acrylamide, itaconic acid and MMB and glycidyl methacrylate of function monomer.
Described temperature induced color changing glue, it is characterised in that emulsifying agent is selected from one or both in dodecylbenzene sodium sulfonate, sodium lauryl sulphate；Thermal initiator is selected from one or both in benzoyl peroxide or azodiisobutyronitrile；Ultraviolet initiator selected from benzophenone, benzoin methyl ether, benzoin ethyl ether, Benzoinum n-butyl ether, 1-hydroxy-cyciohexyl benzophenone, 2,2-dimethoxy-acetophenone, one or more in 2,2-dimethoxy-2-phenyl-1-1-Phenylethanone. benzoin methylethers and benzoin iso-propylether;One or more in terpene resin, rosin resin, silicon dioxide, glass microballoon, organic resin microspheres and multifunctional (methyl) acrylate of auxiliary agent.
Described temperature induced color changing glue, it is characterised in that matrix is not limited to polyacrylate, it is also possible to be to have other acceptable substrate such as epoxy resin, machine silicones, polyurethane.
The preparation method of described temperature induced color changing glue, it is characterised in that temperature induced color changing powder body enters in adhesive by in-situ polymerization, polymerization can use polymerisation in bulk, emulsion polymerization or uv-light polymerization method；
Mass polymerization: acrylate soft monomer, acrylate hard monomer and function monomer are mixed to obtain acrylate monomer blend, take and wherein about 50% be placed in reactor, logical nitrogen is heated to reflux, add thermal initiator, after reacting 30 minutes, dripping remaining acrylate monomer blend, continue reaction 1-2 hour, cooling obtains performed polymer.Subsequently, add temperature induced color changing powder body, auxiliary agent, continue reaction 2-3 hour, obtain temperature induced color changing glue；The temperature induced color changing glue obtained directly is coated in base material or release paper, is dried to obtain the temperature induced color changing adhesive tape of appointed thickness；
Emulsion polymerization: weigh emulsifying agent and a certain amount of deionized water, is placed in beaker 1, stirs to all dissolving；Weigh soft monomer, acrylate hard monomer, function monomer, be placed in beaker 2, stir 15-20 minute；Solution in beaker 1,2 is poured in there-necked flask, mechanical agitation 20-30 minute, complete emulsion process；The emulsion of acquisition being placed in 70-80 DEG C of water-bath, lead to nitrogen while stirring, be subsequently added thermal initiator, add temperature induced color changing powder body and auxiliary agent after reacting about 30 minutes, 3 hours terminate reaction, obtain temperature induced color changing glue；The temperature induced color changing glue obtained directly is coated in base material or release paper, is dried to obtain the temperature induced color changing adhesive tape of appointed thickness；
Uv-light polymerization method: the mixing of acrylate soft monomer, acrylate hard monomer, function monomer and about 20% light trigger is placed in reactor, logical nitrogen, UV ultraviolet light irradiation, stopped reaction when performed polymer viscosity is 1000-5000 centipoise, add about 80% remaining light trigger, auxiliary agent and temperature induced color changing powder body, coat after mix homogeneously, deaeration on mould release membrance, release paper or base material, be placed in hardening with radiation under uviol lamp, obtain required temperature induced color changing adhesive tape.
The adhesive tape that described temperature induced color changing glue prepares, it is characterised in that preparation method is: is coated on release paper or mould release membrance by described temperature induced color changing glue, makes without base material two-sided tape；Or described temperature induced color changing glue is coated on base material, one or more in nonelastic fabricbase, film material, non-woven fabrics, elastic woven material, elastic non-woven cloth, various paper substrate, metal film and glass fabric of base material, make the adhesive tape of different substrate materials.
It is an advantage of the current invention that:
1, adhesive and the adhesive tape of the present invention can be attached to any position of equipment, can fast reaction after overtemperature, occur eye-catching color to change within the several seconds.
2, the temperature range of adhesive and adhesive tape variable color is adjustable, can select adhesive and the adhesive tape of corresponding different discoloring temperature point according to practical application request.
3, adhesive and the adhesive tape that prepared by the present invention have good adhesive property, pliability and ageing-resistant performance, and water-alkali resistance.
4, product is stable under room temperature state, home, can preserve 4-5 the most longer.
5, without any organic solvent, non-environmental-pollution in product.
6, preparation technology of the present invention is simple, production process, storage process stabilization, safety, easy to control, it is simple to operation, it is easy to industrialized production.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
By acrylate soft monomer ethyl acrylate 100 grams, Isooctyl acrylate monomer 610 grams；Hard monomer styrene 100 grams, 72 grams and the 0.8 gram light trigger benzoin methyl ether mixing of function monomer acrylic acid are placed in reactor, logical nitrogen, 125W UV ultraviolet light irradiation, stopped reaction when performed polymer viscosity is 1000-5000 centipoise, add the fluorane color-change powder that 3.2 grams of light trigger benzoin methyl ethers, auxiliary agent silicon dioxide and polymethacrylates are modified, coat on mould release membrance, release paper or base material after mix homogeneously, deaeration, it is placed in hardening with radiation under uviol lamp, obtains required temperature induced color changing adhesive tape.Variable color in 5 seconds at 30 DEG C of adhesive tape；180 degree of peel strengths be 52.9N/25mm, T peel strength be 18.6N/25mm, holding power > 2000h.
Embodiment 2
By acrylate soft monomer Isooctyl acrylate monomer 720 grams, hard monomer methyl methacrylate 100 grams, function monomer methacrylic acid 65 grams mixing, take and wherein 50% be placed in reactor, it is heated to reflux at logical nitrogen 70 DEG C, add 2 grams of initiator azodiisobutyronitriles, after reacting 30 minutes, dropping, continues reaction 2 hours, obtains performed polymer.Then, in system, add 44 grams of polyurethane-modified Bi2O3 and the mixture of remaining 50% acrylate monomer, add 1.5 grams of initiator azodiisobutyronitriles, continue reaction 2 hours.Deaeration, coat, be dried to obtain temperature induced color changing adhesive tape.After tested, variable color in 5 seconds at 60 DEG C of adhesive tape, 180 degree of peel strengths be 48.2N/25mm, T peel strength be 21.3N/25mm, holding power > 2000h.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to a kind of temperature induced color changing glue of the present invention, adhesive tape and preparation method thereof.So, if these amendments and modification to the present invention belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a temperature induced color changing glue, it is characterized in that, be made up of the raw material of following weight percents: acrylate soft monomer 45-80, acrylate hard monomer 5-15, function monomer 5-8, emulsifying agent 0-5, temperature induced color changing powder body 0.5-20, thermal initiator 0-5, ultraviolet initiator 0-5, auxiliary agent 0-5.
Temperature induced color changing glue the most according to claim 1, it is characterised in that temperature induced color changing powder body is the heat discoloration powder that aggregated thing is modified；Wherein, heat discoloration powder is WO3、CeO2、Bi2O3、BiVO4、In2O3, Material of Fluoran, spiropyran, dianthracene ketone, Schiff bases, tritan., one or more combination in commercially available various heat discoloration powder；Polymer is the one or more combination thing in polyurethane, polyacrylate, polysiloxanes, polyvinyl alcohol, polystyrene；Temperature induced color changing powder body is that the method for aggregated thing modification is: after being blended 20-25 minute at 38-42 DEG C by the ethanol of 100 parts of heat discoloration powder and KH550 or KH570 of about 5 parts, about 100 parts, adding polymer, be blended 40-45 minute, normal temperature drying obtains temperature induced color changing powder body after 6-7 hour.
Temperature induced color changing glue the most according to claim 1, it is characterized in that, the acrylate soft monomer one or more mixture in ethyl acrylate, butyl acrylate, Isooctyl acrylate monomer, 2-Propenoic acid, 2-methyl-, isooctyl ester, lauryl acrylate and octadecyl acrylate；The acrylate hard monomer one or more mixture in styrene, vinylacetate, acrylonitrile, acrylamide, methyl methacrylate and acrylic acid methyl ester.；One or more in acrylic acid, methacrylic acid, 2-(Acryloyloxy)ethanol, hydroxyethyl methylacrylate, Hydroxypropyl acrylate, n-methylolacrylamide, butoxymethylol acrylamide, acrylamide, itaconic acid and MMB and glycidyl methacrylate of function monomer.
Temperature induced color changing glue the most according to claim 1, it is characterised in that emulsifying agent is selected from one or both in dodecylbenzene sodium sulfonate, sodium lauryl sulphate；Thermal initiator is selected from one or both in benzoyl peroxide or azodiisobutyronitrile；Ultraviolet initiator selected from benzophenone, benzoin methyl ether, benzoin ethyl ether, Benzoinum n-butyl ether, 1-hydroxy-cyciohexyl benzophenone, 2,2-dimethoxy-acetophenone, one or more in 2,2-dimethoxy-2-phenyl-1-1-Phenylethanone. benzoin methylethers and benzoin iso-propylether;One or more in terpene resin, rosin resin, silicon dioxide, glass microballoon, organic resin microspheres and multifunctional (methyl) acrylate of auxiliary agent.
Temperature induced color changing glue the most according to claim 1, it is characterised in that matrix is not limited to polyacrylate, it is also possible to be to have other acceptable substrate such as epoxy resin, machine silicones, polyurethane.
6. the preparation method of a temperature induced color changing glue as claimed in claim 1, it is characterised in that temperature induced color changing powder body enters in adhesive by in-situ polymerization, polymerization can use polymerisation in bulk, emulsion polymerization or uv-light polymerization method；
Mass polymerization: acrylate soft monomer, acrylate hard monomer and function monomer are mixed to obtain acrylate monomer blend, take and wherein about 50% be placed in reactor, logical nitrogen is heated to reflux, add thermal initiator, after reacting 30 minutes, dripping remaining acrylate monomer blend, continue reaction 1-2 hour, cooling obtains performed polymer；Subsequently, add temperature induced color changing powder body, auxiliary agent, continue reaction 2-3 hour, obtain temperature induced color changing glue；The temperature induced color changing glue obtained directly is coated in base material or release paper, is dried to obtain the temperature induced color changing adhesive tape of appointed thickness；
Emulsion polymerization: weigh emulsifying agent and a certain amount of deionized water, is placed in beaker 1, stirs to all dissolving；Weigh soft monomer, acrylate hard monomer, function monomer, be placed in beaker 2, stir 15-20 minute；Solution in beaker 1,2 is poured in there-necked flask, mechanical agitation 20-30 minute, complete emulsion process；The emulsion of acquisition being placed in 70-80 DEG C of water-bath, lead to nitrogen while stirring, be subsequently added thermal initiator, add temperature induced color changing powder body and auxiliary agent after reacting about 30 minutes, 3 hours terminate reaction, obtain temperature induced color changing glue；The temperature induced color changing glue obtained directly is coated in base material or release paper, is dried to obtain the temperature induced color changing adhesive tape of appointed thickness；
Uv-light polymerization method: the mixing of acrylate soft monomer, acrylate hard monomer, function monomer and about 20% light trigger is placed in reactor, logical nitrogen, UV ultraviolet light irradiation, stopped reaction when performed polymer viscosity is 1000-5000 centipoise, add about 80% remaining light trigger, auxiliary agent and temperature induced color changing powder body, coat after mix homogeneously, deaeration on mould release membrance, release paper or base material, be placed in hardening with radiation under uviol lamp, obtain required temperature induced color changing adhesive tape.
7. the adhesive tape that a temperature induced color changing glue as claimed in claim 1 prepares, it is characterised in that preparation method is: is coated on release paper or mould release membrance by described temperature induced color changing glue, makes without base material two-sided tape；Or described temperature induced color changing glue is coated on base material, one or more in nonelastic fabricbase, film material, non-woven fabrics, elastic woven material, elastic non-woven cloth, various paper substrate, metal film and glass fabric of base material, make the adhesive tape of different substrate materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610201479.4A CN105950077A (en) | 2016-04-01 | 2016-04-01 | Thermochromic adhesive and preparation method thereof and adhesive tape made from adhesive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610201479.4A CN105950077A (en) | 2016-04-01 | 2016-04-01 | Thermochromic adhesive and preparation method thereof and adhesive tape made from adhesive |
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| CN105950077A true CN105950077A (en) | 2016-09-21 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634660A (en) * | 2016-11-11 | 2017-05-10 | 朱明安 | Colorful glass fabric adhesive tape |
| CN107325371A (en) * | 2017-07-12 | 2017-11-07 | 章财华 | A kind of temperature induced color changing polythene material and preparation method thereof |
| CN107338656A (en) * | 2017-09-06 | 2017-11-10 | 无锡富仕德高科特材制造有限公司 | The preparation method of early warning temperature-resistant material, the early warning temperature-resistant material based on this method |
| CN107418462A (en) * | 2017-05-22 | 2017-12-01 | 湖南省湘电试验研究院有限公司 | Preparation method for the adhesive tape of fault diagnosis and the adhesive tape |
| CN107858129A (en) * | 2017-11-17 | 2018-03-30 | 佛山固泰明科技有限公司 | A kind of preparation method of solvent borne acrylic's ester pressure-sensitive |
| CN109321146A (en) * | 2017-08-01 | 2019-02-12 | 英属开曼群岛商正特殊材料股份有限公司 | Curable adhesive and its process for photocuring |
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| CN107418462B (en) * | 2017-05-22 | 2020-05-26 | 湖南省湘电试验研究院有限公司 | Adhesive tape for electrical equipment fault diagnosis and preparation method of adhesive tape |
| CN107325371A (en) * | 2017-07-12 | 2017-11-07 | 章财华 | A kind of temperature induced color changing polythene material and preparation method thereof |
| CN109321146A (en) * | 2017-08-01 | 2019-02-12 | 英属开曼群岛商正特殊材料股份有限公司 | Curable adhesive and its process for photocuring |
| CN107338656A (en) * | 2017-09-06 | 2017-11-10 | 无锡富仕德高科特材制造有限公司 | The preparation method of early warning temperature-resistant material, the early warning temperature-resistant material based on this method |
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| WO2021008346A1 (en) * | 2019-07-18 | 2021-01-21 | 江南大学 | Method for preparing electrical/temperature dual control bistable color-changing dye and microcapsule |
| US11655373B2 (en) | 2019-07-18 | 2023-05-23 | Jiangnan University | Method of preparing electric and temperature dual-control bi-stable color-changing dyes and microcapsules |
| CN111505880A (en) * | 2020-05-25 | 2020-08-07 | 哈尔滨工程大学 | Thermal response electrolyte material and preparation method and application thereof |
| CN111777967A (en) * | 2020-06-30 | 2020-10-16 | 南京汇鑫光电材料有限公司 | UV type acrylate pressure-sensitive adhesive for low surface energy material and processing technology thereof |
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