CN110483966A - A kind of graphene heat generating pastes and preparation method thereof - Google Patents
A kind of graphene heat generating pastes and preparation method thereof Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000006229 carbon black Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000007822 coupling agent Substances 0.000 claims abstract description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- 239000000057 synthetic resin Substances 0.000 claims abstract description 13
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 13
- 239000002216 antistatic agent Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 9
- 150000004702 methyl esters Chemical class 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 229920001610 polycaprolactone Polymers 0.000 claims description 9
- 239000004632 polycaprolactone Substances 0.000 claims description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 5
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 5
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 150000002191 fatty alcohols Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- MERJTCXDDLWWSK-UHFFFAOYSA-N 1-methylpyrrole pyrrolidin-2-one Chemical group CN1C=CC=C1.N1C(CCC1)=O MERJTCXDDLWWSK-UHFFFAOYSA-N 0.000 claims 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims 1
- 235000021314 Palmitic acid Nutrition 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 125000005456 glyceride group Chemical group 0.000 claims 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims 1
- 150000002596 lactones Chemical class 0.000 claims 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 150000004040 pyrrolidinones Chemical class 0.000 claims 1
- 238000005485 electric heating Methods 0.000 abstract description 8
- 206010037660 Pyrexia Diseases 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 description 13
- 230000006872 improvement Effects 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 5
- QHZLMUACJMDIAE-UHFFFAOYSA-N 1-monopalmitoylglycerol Chemical group CCCCCCCCCCCCCCCC(=O)OCC(O)CO QHZLMUACJMDIAE-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- NQBXSWAWVZHKBZ-UHFFFAOYSA-N 2-butoxyethyl acetate Chemical compound CCCCOCCOC(C)=O NQBXSWAWVZHKBZ-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- QLURSWHJVYRJKB-UHFFFAOYSA-N formaldehyde;urea Chemical compound O=C.NC(N)=O.NC(N)=O QLURSWHJVYRJKB-UHFFFAOYSA-N 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The present invention relates to heat generating pastes technical field, a kind of graphene heat generating pastes and preparation method thereof are provided, prior art electric heating equipment is solved using linear exothermic material, there is a problem of that fever is uneven, the thermal efficiency is low.Raw material including following parts by weight: 30~50 parts of graphene, 5~10 parts of carbon black, 50~70 parts of synthetic resin, 10~16 parts of metal powder, 3~5 parts of antistatic agent, 5~8 parts of dispersing agent, 1~3 part of thickener, 150~300 parts of solvent, 10~18 parts of curing agent, 0.6~1.2 part of titanate coupling agent.
Description
Technical field
The present invention relates to heat generating pastes technical fields more particularly to a kind of graphene heat generating pastes and preparation method thereof.
Background technique
The indoor heating of agricultural animal husbandry at present mainly uses hot-water heating, and hot-water heating need indoors it is outer be laid with heat supplying pipeline and
The large scale equipments such as heating boiler, one-time investment is larger, needs to safeguard throughout the year, and temperature is not easy individually to control, and additionally to pacify
Radiator is filled, indoor limited usable floor area, not energy-efficient and environmental protection are occupied.Electric heating mode is warmed oneself better than the pipe network of water, tool
Have the advantages that small investment, maintenance are simple, temperature control is easy.Traditional electric heating equipment is often used the linear hair such as wire or carbon fiber
There is the disadvantages of fever is uneven, the thermal efficiency is low and frangibility, limit its scope of application in hot material.Chinese Patent Application No.:
201120052721.9 disclosing a kind of novel heating floor, the heating floor is from top to bottom successively by thermal insulation thermal insulation board, line
Shape heater and metal plate composition, offer wiring groove, linear heating element metal plate is corresponding on thermal insulation thermal insulation board adhesive surface
In fixedly embedded wiring groove, both ends are connect by connector with power supply line or another linear heating element.
Graphene be it is a kind of as carbon atom it is tightly packed made of two dimensional crystal material, there is excellent conduction and thermal conductivity
Can, compared to metallic conductive fillers, graphene weight is lighter, electric conductivity is more preferable, longer life expectancy, also have it is environmentally friendly,
From a wealth of sources, reproducible advantage.Using electric heating products made of the slurry that graphene is primary raw material, fever is face after energization
Shape fever, uniform heat distribution, it is fast to distribute heat speed, can improve ambient temperature quickly.
Summary of the invention
Therefore, for the above content, the present invention provides a kind of graphene heat generating pastes and preparation method thereof, solves existing skill
Art electric heating equipment has that fever is uneven, the thermal efficiency is low using linear exothermic material.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions: a kind of graphene heat generating pastes, including
The raw material of following parts by weight: 30~50 parts of graphene, 5~10 parts of carbon black, 50~70 parts of synthetic resin, 10~16 parts of metal powder,
3~5 parts of antistatic agent, 5~8 parts of dispersing agent, 1~3 part of thickener, 150~300 parts of solvent, 10~18 parts of curing agent, titanate esters
0.6~1.2 part of coupling agent.
A further improvement is that: a kind of graphene heat generating pastes, the raw material including following parts by weight: 40 parts of graphene, charcoal
Black 10 parts, it is 60 parts of synthetic resin, 10 parts of metal powder, 4 parts of antistatic agent, 6.5 parts of dispersing agent, 2 parts of thickener, 250 parts of solvent, solid
14 parts of agent, 1.2 parts of titanate coupling agent.
A further improvement is that: the metal powder is the mixture of copper powder, nickel powder and silver powder, wherein copper powder, nickel powder and silver
The weight ratio of powder is 3~4.8:0.8~1.5:0.1~0.3.
A further improvement is that: the synthetic resin is the mixing of polycaprolactone resin, nylon acid methyl esters and Lauxite
Object, wherein the weight ratio of polycaprolactone resin, nylon acid methyl esters and urea-formaldehyde resin additive is 4:3:3.
A further improvement is that: the antistatic agent is monopalmitin, any in aliphatic amine polyoxyethylene ether
It is a kind of.
A further improvement is that: the dispersing agent is polyvinylpyrrolidone, any one in fatty alcohol polyoxyethylene ether
Kind.
A further improvement is that: the solvent is N-Methyl pyrrolidone, ethylene glycol, N,N-dimethylformamide, diethyl
Any one in glycol monobutyl ether acetate, styrene.
A further improvement is that: the curing agent is mixed by dicyandiamide and ammonium sulfate by weight 1.5~2.5:0.9~1.6
It closes.
A further improvement is that: the thickener is low-molecular polyethylene wax, in polyacrylamide, polyurethane thickener
Any one.
The preparation method of graphene heat generating pastes, comprising the following steps:
(1) each raw material for standby is weighed by above-mentioned parts by weight；
(2) dispersing agent, antistatic agent, thickener, titanate coupling agent are added in solvent, mixing is made in stirring and dissolving
Liquid, then graphene, carbon black, synthetic resin and metal powder are added in mixed liquor, dispersed in high speed disperser, stirring speed
Degree is 1200-2000r/min, and mixing time 80-200min obtains primary slurry；
(3) the obtained primary slurry of step (2) dispersion is sent in super dispersion machine, stirs 35-50min, then plus
Enter curing agent, continues to be stirred 25-35min, obtain graphene heat generating pastes.
By using preceding solution, the beneficial effects of the present invention are:
Graphene heat generating pastes prepared by the present invention, the raw material including following parts by weight: 30~50 parts of graphene, carbon black 5
~10 parts, 50~70 parts of synthetic resin, 10~16 parts of metal powder, 3~5 parts of antistatic agent, 5~8 parts of dispersing agent, thickener 1~3
Part, 150~300 parts of solvent, 10~18 parts of curing agent, 0.6~1.2 part of titanate coupling agent.The present invention using graphene as raw material,
And carbon black is added in right amount, it can guarantee that the comprehensive performance of the heat generating pastes is good while reducing graphene dosage, and reduce
The production cost of the graphene heat generating pastes.Suitable synthetic resin, metal powder are added, the two cooperates, and avoids metal
Powder influences the cementability and brittleness of slurry while increasing slurry heating conduction.The antistatic agent of addition enables to the hair
Hot slurry has antistatic effect, can guarantee the safety that the slurry uses, thus guarantee the service life of slurry, the fever
Slurry is suitble to large-scale industrial production.Dispersing agent can improve the dispersibility of graphene, carbon black, metal powder, and then enhance
The electric conductivity of heat generating pastes；Titanate coupling agent has surface modifying function, further improves the dispersion of graphene, carbon black
Property, it is not susceptible to the phenomenon that reuniting, result of prevention is good；And can between graphene, carbon black, metal powder and synthetic resin formationization
Key, the interface performance between enhancing, compatibility are good.Lauxite molecule in synthetic resin contains polarity oxygen atom,
The binding force that graphene slurry and substrate can be improved shows good adhesive force.Graphene fever slurry prepared by the present invention
Material can be used for making various electric heating products, such as Electric radiant Heating Film, electric heating cloth, electric hot plate etc., can be used for including that agricultural herding produces
The various fields such as indoor heating, the vegetable booth thermal insulation of industry, compared to heating, graphene electric heating products are directly will cleaning
Electricity power is converted to the heating facility of thermal energy, and electric conversion efficiency is high, energy conservation and environmental protection.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to specific embodiment, how skill is applied to the present invention whereby
Art means solve technical problem, and the realization process for reaching technical effect can fully understand and implement.
Unless otherwise specified, the conventional hand that technological means employed in embodiment is well known to those skilled in the art
Section, used reagent and product are also available commercial.The source of agents useful for same, trade name and it is necessary to list it
Constituent person is indicated on the first occurrence.
Embodiment one
A kind of graphene heat generating pastes, the raw material including following parts by weight: 30 parts of graphene, 5 parts of carbon black, polycaprolactone tree
20 parts of rouge, 15 parts of nylon acid methyl esters, 15 parts of Lauxite, 12 parts of copper powder, 3.75 parts of nickel powder, 0.25 part of silver powder, single palmitinic acid are sweet
3 parts of grease, 5 parts of fatty alcohol polyoxyethylene ether, 1 part of low-molecular polyethylene wax, 150 parts of N-Methyl pyrrolidone, 6 parts of dicyandiamide,
4 parts of ammonium sulfate, 0.6 part of titanate coupling agent.
The preparation method of graphene heat generating pastes, comprising the following steps:
(1) each raw material for standby is weighed by above-mentioned parts by weight；
(2) monopalmitin, fatty alcohol polyoxyethylene ether, low-molecular polyethylene wax, titanate coupling agent are added
In N-Methyl pyrrolidone, stirring and dissolving is made mixed liquor, then by graphene, carbon black, polycaprolactone resin, nylon acid methyl esters,
Lauxite and copper powder, nickel powder, silver powder are added in mixed liquor, are dispersed in high speed disperser, mixing speed 2000r/
Min, mixing time 80min, obtains primary slurry；
(3) primary slurry that step (2) dispersion obtains is sent in super dispersion machine, stirs 35min, be then added double
Cyanamide and ammonium sulfate continue to be stirred 35min, obtain graphene heat generating pastes.
Embodiment two
A kind of graphene heat generating pastes, the raw material including following parts by weight: 40 parts of graphene, 10 parts of carbon black, polycaprolactone
24 parts of resin, 18 parts of nylon acid methyl esters, 18 parts of Lauxite, 7.3 parts of copper powder, 2.2 parts of nickel powder, 0.3 part of silver powder, fatty amine polyoxy
4 parts of vinethene, 6.5 parts of polyvinylpyrrolidone, 2 parts of polyacrylamide, 250 parts of N,N-dimethylformamide, dicyandiamide 7.5
Part, 6.5 parts of ammonium sulfate, 1.2 parts of titanate coupling agent.
The preparation method of graphene heat generating pastes, comprising the following steps:
(1) each raw material for standby is weighed by above-mentioned parts by weight；
(2) N, N- is added in aliphatic amine polyoxyethylene ether, polyvinylpyrrolidone, polyacrylamide, titanate coupling agent
In dimethylformamide, stirring and dissolving is made mixed liquor, then by graphene, carbon black, polycaprolactone resin, nylon acid methyl esters, urea
Urea formaldehyde and copper powder, nickel powder, silver powder are added in mixed liquor, are dispersed in high speed disperser, mixing speed 1500r/
Min, mixing time 120min, obtains primary slurry；
(3) primary slurry that step (2) dispersion obtains is sent in super dispersion machine, stirs 40min, be then added double
Cyanamide and ammonium sulfate continue to be stirred 30min, obtain graphene heat generating pastes.
Embodiment three
A kind of graphene heat generating pastes, the raw material including following parts by weight: 50 parts of graphene, 7 parts of carbon black, polycaprolactone tree
28 parts of rouge, 21 parts of nylon acid methyl esters, 21 parts of Lauxite, 9 parts of copper powder, 2.4 parts of nickel powder, 0.6 part of silver powder, aliphatic amine polyoxyethylene
5 parts of ether, 8 parts of polyvinylpyrrolidone, 3 parts of polyurethane thickener, 300 parts of ethylene glycol, 12 parts of dicyandiamide, 6 parts of ammonium sulfate, metatitanic acid
0.9 part of ester coupling agent.
The preparation method of graphene heat generating pastes, comprising the following steps:
(1) each raw material for standby is weighed by above-mentioned parts by weight；
(2) second is added in aliphatic amine polyoxyethylene ether, polyvinylpyrrolidone, polyurethane thickener, titanate coupling agent
In glycol, stirring and dissolving is made mixed liquor, then by graphene, carbon black, polycaprolactone resin, nylon acid methyl esters, Lauxite and
Copper powder, nickel powder, silver powder are added in mixed liquor, are dispersed in high speed disperser, mixing speed 1200r/min, when stirring
Between be 200min, obtain primary slurry；
(3) primary slurry that step (2) dispersion obtains is sent in super dispersion machine, stirs 50min, be then added double
Cyanamide and ammonium sulfate continue to be stirred 25min, obtain graphene heat generating pastes.
Performance test
Graphene heat generating pastes prepared in the above embodiments are printed on PET film substrate with the method for silk-screen printing respectively
On, adhesive force, Determination of conductive coefficients are carried out after baking and curing film forming, wherein adhesive force test is led referring to GB/T 9286-1998
Referring to GB/T 22588-2008, test result is shown in Table 1 for hot coefficient test.It is starched with commercially available far-infrared electric carbon as control group.
1 graphene heat generating pastes test result of table
| Adhesive force | Thermal coefficient W/ (mK) | |
| Embodiment one | 0 grade | 1458 |
| Embodiment two | 0 grade | 1665 |
| Embodiment three | 0 grade | 1579 |
| Control group | 1 grade | 1123 |
As shown in Table 1, the adhesive force of graphene heat generating pastes prepared by the present invention is excellent, reaches 0 grade；Thermal coefficient is far high
It is starched in commercially available far-infrared electric carbon.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (10)
1. a kind of graphene heat generating pastes, which is characterized in that the raw material including following parts by weight: 30~50 parts of graphene, carbon black 5
~10 parts, 50~70 parts of synthetic resin, 10~16 parts of metal powder, 3~5 parts of antistatic agent, 5~8 parts of dispersing agent, thickener 1~3
Part, 150~300 parts of solvent, 10~18 parts of curing agent, 0.6~1.2 part of titanate coupling agent.
2. a kind of graphene heat generating pastes according to claim 1, which is characterized in that the raw material including following parts by weight:
40 parts of graphene, 10 parts of carbon black, 60 parts of synthetic resin, 10 parts of metal powder, 4 parts of antistatic agent, 6.5 parts of dispersing agent, thickener 2
Part, 250 parts of solvent, 14 parts of curing agent, 1.2 parts of titanate coupling agent.
3. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the metal powder is copper powder, nickel
The mixture of powder and silver powder, wherein the weight ratio of copper powder, nickel powder and silver powder is 3~4.8:0.8~1.5:0.1~0.3.
4. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the synthetic resin is to gather oneself
The mixture of lactone resin, Lauxite, wherein the weight ratio of polycaprolactone resin, nylon acid methyl esters and Lauxite is 4:3:
3。
5. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the antistatic agent is single palm fibre
Any one in palmitic acid acid glyceride, aliphatic amine polyoxyethylene ether.
6. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the dispersing agent is polyethylene
Any one in pyrrolidones, fatty alcohol polyoxyethylene ether.
7. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the solvent is N- methyl pyrrole
Pyrrolidone, ethylene glycol, N,N-dimethylformamide, butyl acetate, any one in styrene.
8. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the curing agent is by dicyandiamide
It is mixed with ammonium sulfate by weight 1.5~2.5:0.9~1.6.
9. a kind of graphene heat generating pastes according to claim 1 or 2, which is characterized in that the thickener is low molecule
Polyethylene wax, polyacrylamide, any one in polyurethane thickener.
10. the preparation method of graphene heat generating pastes according to claim 1, which comprises the following steps:
(1) each raw material for standby is weighed by above-mentioned parts by weight；
(2) dispersing agent, antistatic agent, thickener, titanate coupling agent being added in solvent, mixed liquor is made in stirring and dissolving, then
Graphene, carbon black, synthetic resin and metal powder are added in mixed liquor, dispersed in high speed disperser, mixing speed is
1200-2000r/min, mixing time 80-200min, obtains primary slurry；
(3) primary slurry that step (2) dispersion obtains is sent in super dispersion machine, stirs 35-50min, be then added solid
Agent continues to be stirred 25-35min, obtains graphene heat generating pastes.
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| CN111303763A (en) * | 2020-03-16 | 2020-06-19 | 顾广新 | High-temperature-resistant high-power-density graphene heating coating and preparation method thereof |
| CN111621998A (en) * | 2020-07-02 | 2020-09-04 | 无锡恒诺纺织科技有限公司 | Preparation method of heating color paste |
| CN112375462A (en) * | 2020-11-26 | 2021-02-19 | 广东航科新材料有限公司 | Graphene electric heating slurry and preparation method thereof |
| CN114096020A (en) * | 2021-12-31 | 2022-02-25 | 烯泽韩力石墨烯应用科技(无锡)有限公司 | Antibacterial graphene PTC (positive temperature coefficient) electrothermal film slurry, preparation method thereof and electrothermal film |
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| CN114316769A (en) * | 2021-12-31 | 2022-04-12 | 烯泽韩力石墨烯应用科技(无锡)有限公司 | Graphene PTC (Positive temperature coefficient) electrothermal film slurry, preparation method thereof and electrothermal film |
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| CN114096020B (en) * | 2021-12-31 | 2024-07-23 | 烯泽新材料科技(江阴)有限公司 | Antibacterial graphene PTC electrothermal film slurry, preparation method thereof and electrothermal film |
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Inventor after: Chen Dabo Inventor after: Yang Yueren Inventor after: Chen Xinjun Inventor after: Meng Jianwu Inventor after: Zhang Lei Inventor before: Chen Xinjun Inventor before: Meng Jianwu Inventor before: Zhang Lei |
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Application publication date: 20191122 |