CN115433484A - Graphene-based conductive coating and preparation method thereof - Google Patents
Graphene-based conductive coating and preparation method thereof Download PDFInfo
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- CN115433484A CN115433484A CN202211242986.4A CN202211242986A CN115433484A CN 115433484 A CN115433484 A CN 115433484A CN 202211242986 A CN202211242986 A CN 202211242986A CN 115433484 A CN115433484 A CN 115433484A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 70
- 238000000576 coating method Methods 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 57
- 239000011858 nanopowder Substances 0.000 claims abstract description 47
- 239000011231 conductive filler Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 239000008367 deionised water Substances 0.000 claims description 50
- 229910021641 deionized water Inorganic materials 0.000 claims description 50
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 38
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 30
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- 238000005406 washing Methods 0.000 claims description 30
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 24
- MLFHJEHSLIIPHL-UHFFFAOYSA-N isoamyl acetate Chemical compound CC(C)CCOC(C)=O MLFHJEHSLIIPHL-UHFFFAOYSA-N 0.000 claims description 24
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 20
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 18
- 229910002804 graphite Inorganic materials 0.000 claims description 16
- 239000010439 graphite Substances 0.000 claims description 16
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 15
- 239000002202 Polyethylene glycol Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000011259 mixed solution Substances 0.000 claims description 15
- 229920001223 polyethylene glycol Polymers 0.000 claims description 15
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 15
- 229940117955 isoamyl acetate Drugs 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 11
- DAMJCWMGELCIMI-UHFFFAOYSA-N benzyl n-(2-oxopyrrolidin-3-yl)carbamate Chemical compound C=1C=CC=CC=1COC(=O)NC1CCNC1=O DAMJCWMGELCIMI-UHFFFAOYSA-N 0.000 claims description 11
- KHMOASUYFVRATF-UHFFFAOYSA-J tin(4+);tetrachloride;pentahydrate Chemical compound O.O.O.O.O.Cl[Sn](Cl)(Cl)Cl KHMOASUYFVRATF-UHFFFAOYSA-J 0.000 claims description 11
- 239000007795 chemical reaction product Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000012065 filter cake Substances 0.000 claims description 10
- 239000012286 potassium permanganate Substances 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 10
- 239000004317 sodium nitrate Substances 0.000 claims description 10
- 235000010344 sodium nitrate Nutrition 0.000 claims description 10
- 238000000967 suction filtration Methods 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000006228 supernatant Substances 0.000 claims description 10
- 238000001291 vacuum drying Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000002243 precursor Substances 0.000 claims description 7
- 238000010533 azeotropic distillation Methods 0.000 claims description 6
- 239000005457 ice water Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- -1 chlorine ions Chemical class 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 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
- 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
- C09D5/24—Electrically-conducting 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
- C09D129/00—Coating compositions 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
-
- 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
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Conductive Materials (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a graphene-based conductive coating and a preparation method thereof, wherein the graphene-based conductive coating comprises the following raw materials in parts by weight: 10-15 parts of resin matrix, 2-6 parts of multi-element composite conductive filler and 75-95 parts of organic solvent; slowly adding a resin matrix into an organic solvent, uniformly stirring, standing for 4 hours, then adding a multi-element composite conductive filler, and stirring at a high speed for 10min to obtain the graphene-based conductive coating; the graphene oxide has excellent electrical conductivity, the doped nano powder can reduce heat transfer and diffusion, so that heat is difficult to penetrate through the coating for diffusion, and the finally prepared coating has excellent heat insulation performance while the excellent electrical conductivity is ensured by accessing the modified doped nano powder.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a graphene-based conductive coating and a preparation method thereof.
Background
The static conductive coating is a special functional coating which is coated on a non-conductive substrate, has the functions of conducting current and eliminating accumulated static charge, electromagnetic shielding and electric heating, is mainly divided into a blending type conductive coating and an intrinsic type conductive coating, and is widely applied to various fields of electronic appliances, buildings, chemical equipment, military affairs and the like. The blending type conductive coating is characterized in that metal particles are mixed in insulating high polymer to enable the high polymer to have conductive performance, the conductive performance is not the inherent characteristic of the high polymer, and the conductive process is realized by providing conductive carriers by the mixed conductive particles, such as graphite, carbon black, mica and the like. The intrinsic conductive coating takes conductive high polymer as basic film forming matter, the coating is conductive by the inherent conductivity of the high polymer, and conductive polymer molecules provide conductive carriers. Because the conductive high polymer material is difficult to synthesize and has higher cost, the prior art mainly adopts a blending technology and mainly comprises conductive filler, resin, diluent and auxiliary agent.
At present, metal fillers are mainly used as main conductive fillers in the market, but the heat insulation performance and the electric conductivity of coatings prepared by the conductive coatings are difficult to be simultaneously improved, the coating density is high, and the application range of the coatings is greatly limited.
Disclosure of Invention
In order to solve the technical problems, the invention provides a graphene-based conductive coating and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
a graphene-based conductive coating comprises the following raw materials in parts by weight: 10-15 parts of resin matrix, 2-6 parts of multi-element composite conductive filler and 75-95 parts of organic solvent;
the multielement composite conductive filler is prepared by the following steps:
step S1, adding graphene oxide and gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into absolute ethyl alcohol, performing ultrasonic dispersion for 30min, performing reflux reaction for 4h at 80 ℃, adding deionized water during the reaction process, performing suction filtration after the reaction is finished, washing a filter cake with the absolute ethyl alcohol and the deionized water for three times respectively, finally performing vacuum drying on the filter cake for 24h at 65 ℃ to prepare grafted graphene oxide, wherein the dosage ratio of the graphene oxide, the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, the absolute ethyl alcohol and the deionized water is controlled to be 1.5 g: 30 g: 150 mL: 12g;
in the step S1, the surface of the graphene oxide is subjected to graft modification through gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane is hydrolyzed and reacts with carboxyl on the surface of the graphene oxide, and then the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane is grafted on the surface of the graphene oxide.
S2, adding the doped nano powder into a mixed solution of deionized water and isopropanol, adding gamma-aminopropyltriethoxysilane while stirring, ultrasonically dispersing for 30min, then carrying out reflux reaction for 4h at 70 ℃, cooling, washing, centrifuging and drying after the reaction is finished to prepare modified doped nano powder, wherein the dosage ratio of the doped nano powder, the deionized water, the isopropanol and the gamma-aminopropyltriethoxysilane is controlled to be 2-3 g: 30 mL: 100 mL: 3mL;
and S2, modifying the doped nano powder by using gamma-aminopropyltriethoxysilane in a mixed solvent, hydrolyzing the gamma-aminopropyltriethoxysilane to form silanol, carrying out condensation reaction on hydroxyl in the silanol and hydroxyl on the surface of the doped nano powder to form a Si-O-Sn covalent bond, and grafting the gamma-aminopropyltriethoxysilane on the surface of the doped nano powder to obtain the modified doped nano powder.
And S3, dispersing the grafted graphene oxide in N, N-dimethylformamide, performing ultrasonic dispersion for 30min, adding modified doped nano powder, continuing to perform ultrasonic dispersion for 30min to prepare a mixed solution, placing the mixed solution in an oil bath at 105 ℃ for reaction for 5h, performing suction filtration on a reaction product after the reaction is finished, washing the reaction product with absolute ethyl alcohol and deionized water for three times respectively, and performing vacuum drying at 65 ℃ for 20h to prepare the multi-element composite conductive filler, wherein the dosage ratio of the grafted graphene oxide to the modified doped nano powder to the N, N-dimethylformamide is controlled to be 1-2 g: 1 g: 100mL.
In the step S3, epoxy groups in the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane on the grafted graphene oxide react with amino groups in the gamma-aminopropyl triethoxy silane on the surface of the modified doped nano powder, so that the modified doped nano powder is coated on the surface of the grafted graphene oxide to prepare the multi-element composite conductive filler, the graphene oxide has excellent conductive performance, and the finally prepared coating has excellent heat-insulating performance while the excellent conductive performance is ensured by accessing the modified doped nano powder.
And further: the doped nano powder is prepared by the following steps:
adding tin tetrachloride pentahydrate and antimony trichloride into absolute ethyl alcohol at room temperature, stirring at a constant speed for 15min, adding hydrochloric acid with the mass fraction of 25%, stirring at a high speed, dropwise adding ammonia water with the mass fraction of 28%, continuously stirring for 30min after dropwise adding to form gel, centrifuging the gel at 10000r/min, placing a centrifugal product into deionized water for three times through ultrasonic treatment, stirring and washing until a supernatant does not contain chloride ions, removing the supernatant to obtain sol, adding polyethylene glycol, performing ultrasonic oscillation for 20min, adding isoamyl acetate, mixing uniformly, heating to 155 ℃, performing azeotropic distillation to obtain precursor powder, and finally calcining at 650 ℃ for 1h to obtain doped nano powder, wherein the dosage ratio of the tin tetrachloride pentahydrate, the antimony trichloride, the absolute ethyl alcohol, the hydrochloric acid and the ammonia water is controlled to be 0.05 mol: 0.01 mol: 50 mL: 2 mL: 20mL, the dosage of the polyethylene glycol is 5-8% of the weight of the sol, and the dosage of the isoamyl acetate is 2 times of the volume sum of the volumes of the sol and the polyethylene glycol;
tin tetrachloride pentahydrate and antimony trichloride are used as raw materials, ammonia water is used as a precipitator, sol is prepared through coprecipitation, isoamyl acetate is added to be used as an entrainer to carry out azeotropic distillation, carbonyl groups of the raw materials can replace water molecules and form hydrogen bonds with hydroxyl groups on the surface of the sol in the distillation process, precursor powder is prepared, the precursor powder is of a double-layer structure with the surface coated with isoamyl acetate, a hydrophobic structure of an outer coating layer is expanded outwards, the repulsion force between the coating bodies is increased, so that nano powder with uniform size can be formed in the subsequent calcination process, and the coating layer is heated and decomposed in the calcination process to prepare doped nano powder which is antimony doped tin oxide nano powder with uniform size.
And further: the graphene oxide is prepared by the following steps:
adding graphite powder into a beaker, adding sodium nitrate and concentrated sulfuric acid with the mass fraction of 98%, stirring for 15min in an ice-water bath, adding potassium permanganate, continuing to stir for 30min, then heating in a 40 ℃ water bath, reacting for 3h, adding deionized water, heating to 75 ℃, magnetically stirring for 30min, adding a hydrogen peroxide aqueous solution with the mass fraction of 10%, continuing to react for 10min, then adding dilute hydrochloric acid with the mass fraction of 10%, uniformly stirring and washing to remove excessive acid and byproducts, preparing graphite oxide, dispersing the graphite oxide in the deionized water after washing, ultrasonically dispersing for 30min, centrifuging for 5min at the rotating speed of 2000r/min, filtering, and drying to prepare graphene oxide, wherein the dosage ratio of the graphite powder, the sodium nitrate, the concentrated sulfuric acid, the potassium permanganate, the hydrogen peroxide aqueous solution, the dilute hydrochloric acid and the deionized water is controlled to be 1 g: 0.5 g: 23 g: 15 mL: 40 mL: 60mL.
Oxidizing graphite at three temperatures of ice water bath, 40 ℃ water bath and 75 ℃, fully intercalating the graphite through reaction at a low temperature, deeply oxidizing the graphite through reaction at a medium temperature, completely hydrolyzing the graphite through reaction at a high temperature, obtaining graphite oxide with larger interlayer spacing, and then preparing graphene oxide with larger interlayer spacing through ultrasonic dispersion;
further: the resin matrix is any one of PVB resin, bisphenol A epoxy resin and waterborne polyurethane acrylic resin.
Further: the organic solvent is one or more of absolute ethyl alcohol, isopropanol and butanol which are mixed according to any proportion.
A preparation method based on a graphene conductive coating comprises the following steps:
and slowly adding the resin matrix into the organic solvent, uniformly stirring, standing for 4h, adding the multi-element composite conductive filler, and stirring at a high speed for 10min to obtain the graphene-based conductive coating.
The invention has the beneficial effects that:
according to the invention, the prepared paint is endowed with excellent conductivity by adding the multi-element composite conductive filler based on the graphene conductive paint, in the preparation process of the multi-element composite conductive filler, the epoxy group in the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane on the grafted graphene oxide reacts with the amino group in the gamma-aminopropyl triethoxy silane on the surface of the modified doped nano powder, and then the modified doped nano powder is coated on the surface of the grafted graphene oxide to prepare the multi-element composite conductive filler, the graphene oxide has excellent conductivity, and the doped nano powder can reduce the heat transfer and diffusion, so that the heat is difficult to penetrate through the coating for diffusion, and the finally prepared paint is endowed with excellent heat insulation performance by accessing the modified doped nano powder while ensuring the excellent conductivity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Adding graphite powder into a beaker, adding sodium nitrate and concentrated sulfuric acid with the mass fraction of 98%, stirring for 15min in an ice-water bath, adding potassium permanganate, continuing to stir for 30min, heating in a 40 ℃ water bath, reacting for 3h, adding deionized water, heating to 75 ℃, magnetically stirring for 30min, adding aqueous hydrogen peroxide with the mass fraction of 10%, continuing to react for 10min, adding dilute hydrochloric acid with the mass fraction of 10%, uniformly stirring and washing to remove excessive acid and byproducts, preparing graphite oxide, dispersing the graphite oxide in deionized water after washing, ultrasonically dispersing for 30min, centrifuging for 5min at the rotating speed of 2000r/min, filtering, and drying to prepare graphene oxide, wherein the using amount ratio of the graphite powder, the sodium nitrate, the concentrated sulfuric acid, the potassium permanganate, the aqueous hydrogen peroxide solution, the dilute hydrochloric acid and the deionized water is controlled to be 1 g: 0.5 g: 23 mL: 3 g: 15 mL: 40 mL: 60mL.
Adding tin tetrachloride pentahydrate and antimony trichloride into absolute ethyl alcohol at room temperature, stirring at a constant speed for 15min, adding hydrochloric acid with the mass fraction of 25%, stirring at a high speed, dropwise adding ammonia water with the mass fraction of 28%, continuously stirring for 30min after dropwise adding to form gel, centrifuging the gel at 10000r/min, placing a centrifugal product into deionized water for three times through ultrasonic treatment, stirring and washing until a supernatant does not contain chloride ions, removing the supernatant to obtain sol, adding polyethylene glycol, performing ultrasonic oscillation for 20min, adding isoamyl acetate, mixing uniformly, heating to 155 ℃, performing azeotropic distillation to obtain precursor powder, and finally calcining at 650 ℃ for 1h to obtain doped nano powder, wherein the dosage ratio of the tin tetrachloride pentahydrate, the antimony trichloride, the absolute ethyl alcohol, the hydrochloric acid and the ammonia water is controlled to be 0.05 mol: 0.01 mol: 50 mL: 2 mL: 20mL, the dosage of the polyethylene glycol is 5% of the weight of the sol, and the dosage of the isoamyl acetate is 2 times of the volume sum of the sol and the polyethylene glycol;
adding graphene oxide and gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into absolute ethyl alcohol, performing ultrasonic dispersion for 30min, performing reflux reaction for 4h at 80 ℃, adding deionized water during the reaction process, performing suction filtration after the reaction is finished, washing a filter cake with the absolute ethyl alcohol and the deionized water for three times respectively, finally performing vacuum drying on the filter cake for 24h at 65 ℃ to prepare grafted graphene oxide, wherein the dosage ratio of the graphene oxide, the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, the absolute ethyl alcohol and the deionized water is controlled to be 1.5 g: 30 g: 150 mL: 12g;
adding the doped nano powder into a mixed solution of deionized water and isopropanol, adding gamma-aminopropyltriethoxysilane while stirring, ultrasonically dispersing for 30min, then carrying out reflux reaction for 4h at 70 ℃, cooling, washing, centrifuging and drying after the reaction is finished to prepare modified doped nano powder, wherein the dosage ratio of the doped nano powder, the deionized water, the isopropanol and the gamma-aminopropyltriethoxysilane is controlled to be 2-3 g: 30 mL: 100 mL: 3mL;
dispersing grafted graphene oxide in N, N-dimethylformamide, performing ultrasonic dispersion for 30min, adding modified doped nano powder, continuing performing ultrasonic dispersion for 30min to prepare a mixed solution, placing the mixed solution in an oil bath at 105 ℃ for reaction for 5h, performing suction filtration on a reaction product after the reaction is finished, washing the reaction product with absolute ethyl alcohol and deionized water for three times respectively, and performing vacuum drying at 65 ℃ for 20h to prepare the multi-element composite conductive filler, wherein the dosage ratio of the grafted graphene oxide to the modified doped nano powder to the N, N-dimethylformamide is controlled to be 1-2 g: 1 g: 100mL.
Example 2
Adding graphite powder into a beaker, adding sodium nitrate and concentrated sulfuric acid with the mass fraction of 98%, stirring for 15min in an ice-water bath, adding potassium permanganate, continuing to stir for 30min, then heating in a 40 ℃ water bath, reacting for 3h, adding deionized water, heating to 75 ℃, magnetically stirring for 30min, adding a hydrogen peroxide aqueous solution with the mass fraction of 10%, continuing to react for 10min, then adding dilute hydrochloric acid with the mass fraction of 10%, uniformly stirring and washing to remove excessive acid and byproducts, preparing graphite oxide, dispersing the graphite oxide in the deionized water after washing, ultrasonically dispersing for 30min, centrifuging for 5min at the rotating speed of 2000r/min, filtering, and drying to prepare graphene oxide, wherein the dosage ratio of the graphite powder, the sodium nitrate, the concentrated sulfuric acid, the potassium permanganate, the hydrogen peroxide aqueous solution, the dilute hydrochloric acid and the deionized water is controlled to be 1 g: 0.5 g: 23 g: 15 mL: 40 mL: 60mL.
Adding tin tetrachloride pentahydrate and antimony trichloride into absolute ethyl alcohol at room temperature, stirring at a constant speed for 15min, adding hydrochloric acid with the mass fraction of 25%, stirring at a high speed, dropwise adding ammonia water with the mass fraction of 28%, continuously stirring for 30min after dropwise adding is finished to form gel, centrifuging the gel at 10000r/min, placing a centrifuged product into deionized water for three times, performing ultrasonic stirring and washing until a supernatant does not contain chlorine ions, removing the supernatant to prepare sol, adding polyethylene glycol, performing ultrasonic vibration for 20min, adding isoamyl acetate, uniformly mixing, heating to 155 ℃, performing azeotropic distillation to prepare precursor powder, and calcining at 650 ℃ for 1h to prepare doped nano powder, wherein the dosage ratio of the tin tetrachloride pentahydrate, the antimony trichloride, the absolute ethyl alcohol, the hydrochloric acid and the ammonia water is 0.05 mol: 0.01 mol: 50 mL: 2 mL: 20mL, the dosage of the polyethylene glycol is 6% of the weight of the sol, and the dosage of the isoamyl acetate is 2 times of the volume sum of the sol and the polyethylene glycol;
adding graphene oxide and gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into absolute ethyl alcohol, performing ultrasonic dispersion for 30min, performing reflux reaction for 4h at 80 ℃, adding deionized water during the reaction process, performing suction filtration after the reaction is finished, washing a filter cake with the absolute ethyl alcohol and the deionized water for three times respectively, finally performing vacuum drying on the filter cake for 24h at 65 ℃ to prepare grafted graphene oxide, wherein the dosage ratio of the graphene oxide, the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, the absolute ethyl alcohol and the deionized water is controlled to be 1.5 g: 30 g: 150 mL: 12g;
adding the doped nano powder into a mixed solution of deionized water and isopropanol, adding gamma-aminopropyltriethoxysilane while stirring, performing ultrasonic dispersion for 30min, performing reflux reaction at 70 ℃ for 4h, cooling, washing, centrifuging and drying after the reaction is finished to prepare modified doped nano powder, wherein the dosage ratio of the doped nano powder, the deionized water, the isopropanol and the gamma-aminopropyltriethoxysilane is controlled to be 2.5 g: 30 mL: 100 mL: 3mL;
dispersing grafted graphene oxide in N, N-dimethylformamide, performing ultrasonic dispersion for 30min, adding modified doped nano powder, continuing performing ultrasonic dispersion for 30min to prepare a mixed solution, placing the mixed solution in an oil bath at 105 ℃ for reaction for 5h, performing suction filtration on a reaction product after the reaction is finished, washing the reaction product with absolute ethyl alcohol and deionized water for three times respectively, and performing vacuum drying at 65 ℃ for 20h to prepare the multi-element composite conductive filler, wherein the dosage ratio of the grafted graphene oxide to the modified doped nano powder to the N, N-dimethylformamide is controlled to be 1.5 g: 1 g: 100mL.
Example 3
Adding graphite powder into a beaker, adding sodium nitrate and concentrated sulfuric acid with the mass fraction of 98%, stirring for 15min in an ice-water bath, adding potassium permanganate, continuing to stir for 30min, heating in a 40 ℃ water bath, reacting for 3h, adding deionized water, heating to 75 ℃, magnetically stirring for 30min, adding aqueous hydrogen peroxide with the mass fraction of 10%, continuing to react for 10min, adding dilute hydrochloric acid with the mass fraction of 10%, uniformly stirring and washing to remove excessive acid and byproducts, preparing graphite oxide, dispersing the graphite oxide in deionized water after washing, ultrasonically dispersing for 30min, centrifuging for 5min at the rotating speed of 2000r/min, filtering, and drying to prepare graphene oxide, wherein the using amount ratio of the graphite powder, the sodium nitrate, the concentrated sulfuric acid, the potassium permanganate, the aqueous hydrogen peroxide solution, the dilute hydrochloric acid and the deionized water is controlled to be 1 g: 0.5 g: 23 mL: 3 g: 15 mL: 40 mL: 60mL.
Adding tin tetrachloride pentahydrate and antimony trichloride into absolute ethyl alcohol at room temperature, stirring at a constant speed for 15min, adding hydrochloric acid with the mass fraction of 25%, stirring at a high speed, dropwise adding ammonia water with the mass fraction of 28%, continuously stirring for 30min after dropwise adding is finished to form gel, centrifuging the gel at 10000r/min, placing a centrifuged product into deionized water for three times, performing ultrasonic stirring and washing until a supernatant does not contain chlorine ions, removing the supernatant to prepare sol, adding polyethylene glycol, performing ultrasonic vibration for 20min, adding isoamyl acetate, uniformly mixing, heating to 155 ℃, performing azeotropic distillation to prepare precursor powder, and calcining at 650 ℃ for 1h to prepare doped nano powder, wherein the dosage ratio of the tin tetrachloride pentahydrate, the antimony trichloride, the absolute ethyl alcohol, the hydrochloric acid and the ammonia water is 0.05 mol: 0.01 mol: 50 mL: 2 mL: 20mL, the dosage of the polyethylene glycol is 8% of the weight of the sol, and the dosage of the isoamyl acetate is 2 times of the volume sum of the sol and the polyethylene glycol;
adding graphene oxide and gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane into absolute ethyl alcohol, performing ultrasonic dispersion for 30min, performing reflux reaction for 4h at 80 ℃, adding deionized water during the reaction process, performing suction filtration after the reaction is finished, washing a filter cake with the absolute ethyl alcohol and the deionized water for three times respectively, finally performing vacuum drying on the filter cake for 24h at 65 ℃ to prepare grafted graphene oxide, wherein the dosage ratio of the graphene oxide, the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, the absolute ethyl alcohol and the deionized water is controlled to be 1.5 g: 30 g: 150 mL: 12g;
adding the doped nano powder into a mixed solution of deionized water and isopropanol, adding gamma-aminopropyltriethoxysilane while stirring, performing ultrasonic dispersion for 30min, performing reflux reaction at 70 ℃ for 4h, cooling, washing, centrifuging and drying after the reaction is finished to prepare modified doped nano powder, wherein the dosage ratio of the doped nano powder, the deionized water, the isopropanol and the gamma-aminopropyltriethoxysilane is controlled to be 3 g: 30 mL: 100 mL: 3mL;
dispersing grafted graphene oxide in N, N-dimethylformamide, performing ultrasonic dispersion for 30min, adding modified doped nano powder, continuing performing ultrasonic dispersion for 30min to prepare a mixed solution, placing the mixed solution in an oil bath at 105 ℃ for reaction for 5h, performing suction filtration on a reaction product after the reaction is finished, washing the reaction product with absolute ethyl alcohol and deionized water for three times respectively, and performing vacuum drying at 65 ℃ for 20h to prepare the multi-element composite conductive filler, wherein the dosage ratio of the grafted graphene oxide to the modified doped nano powder to the N, N-dimethylformamide is controlled to be 2 g: 1 g: 100mL.
Example 4
A graphene-based conductive coating comprises the following raw materials in parts by weight: 10 parts of PVB resin, 2 parts of multi-component composite conductive filler and 75 parts of absolute ethyl alcohol;
and slowly adding the PVB resin into absolute ethyl alcohol, uniformly stirring, standing for 4h, then adding the multi-element composite conductive filler, and stirring at a high speed for 10min to obtain the graphene-based conductive coating.
Example 5
A graphene-based conductive coating comprises the following raw materials in parts by weight: 12 parts of PVB resin, 4 parts of multi-component composite conductive filler and 85 parts of absolute ethyl alcohol;
and slowly adding the PVB resin into absolute ethyl alcohol, uniformly stirring, standing for 4h, then adding the multi-element composite conductive filler, and stirring at a high speed for 10min to obtain the graphene-based conductive coating.
Example 6
A graphene-based conductive coating comprises the following raw materials in parts by weight: 15 parts of PVB resin, 6 parts of multi-component composite conductive filler and 95 parts of absolute ethyl alcohol;
and slowly adding the PVB resin into absolute ethyl alcohol, uniformly stirring, standing for 4h, then adding the multi-element composite conductive filler, and stirring at a high speed for 10min to obtain the graphene-based conductive coating.
Comparative example 1
This comparative example uses graphene as the conductive filler, in comparison with example 4.
Comparative example 2
The comparative example is a graphene conductive coating produced by a certain company on the market.
The conductive coatings prepared in examples 4-6 and comparative examples 1-2 were uniformly coated on the surface of an ABS plastic plate, and the coating was repeated four times, dried, and tested, and the test results are shown in the following table:
from the table above, it can be seen that the conductive coating prepared by the embodiment has not only good conductive performance, but also good heat insulation performance.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (7)
1. A graphene-based conductive coating is characterized in that: the feed comprises the following raw materials in parts by weight: 10-15 parts of resin matrix, 2-6 parts of multi-element composite conductive filler and 75-95 parts of organic solvent;
the multielement composite conductive filler is prepared by the following steps:
step S1, adding graphene oxide and gamma- (2, 3-epoxypropoxy) propyltrimethoxysilane into absolute ethyl alcohol, performing ultrasonic dispersion for 30min, performing reflux reaction for 4h at 80 ℃, adding deionized water during the reaction process, performing suction filtration after the reaction is finished, washing a filter cake with the absolute ethyl alcohol and the deionized water for three times respectively, and finally performing vacuum drying on the filter cake for 24h at 65 ℃ to prepare grafted graphene oxide;
s2, adding the doped nano powder into a mixed solution of deionized water and isopropanol, adding gamma-aminopropyltriethoxysilane while stirring, ultrasonically dispersing for 30min, then carrying out reflux reaction for 4h at 70 ℃, cooling, washing, centrifuging and drying after the reaction is finished, thus obtaining modified doped nano powder;
and S3, dispersing the grafted graphene oxide in N, N-dimethylformamide, performing ultrasonic dispersion for 30min, adding the modified doped nano powder, continuing performing ultrasonic dispersion for 30min to obtain a mixed solution, placing the mixed solution in an oil bath at 105 ℃ for reaction for 5h, performing suction filtration on a reaction product after the reaction is finished, washing the reaction product with absolute ethyl alcohol and deionized water for three times respectively, and performing vacuum drying at 65 ℃ for 20h to obtain the multi-element composite conductive filler.
2. The graphene-based conductive coating according to claim 1, wherein: the doped nano powder is prepared by the following steps:
adding tin tetrachloride pentahydrate and antimony trichloride into absolute ethyl alcohol at room temperature, stirring at a constant speed for 15min, adding hydrochloric acid with the mass fraction of 25%, stirring at a high speed, dropwise adding ammonia water with the mass fraction of 28%, continuously stirring for 30min after dropwise adding to form gel, centrifuging the gel at 10000r/min, placing the centrifuged product into deionized water for three times through ultrasonic treatment, stirring and washing until the supernatant is free of chloride ions, removing the supernatant to obtain sol, adding polyethylene glycol, performing ultrasonic vibration for 20min, adding isoamyl acetate, mixing uniformly, heating to 155 ℃, performing azeotropic distillation to obtain precursor powder, calcining at 650 ℃ for 1h to obtain doped nano powder, and controlling the dosage ratio of the tin tetrachloride pentahydrate, the antimony trichloride, the absolute ethyl alcohol, the hydrochloric acid and the ammonia water to be 0.05 mol: 0.01 mol: 50 mL: 2 mL: 20mL, wherein the dosage of the polyethylene glycol is 5-8% of the weight of the sol, and the dosage of the isoamyl acetate is 2 times of the volume sum of the volumes of the sol and the polyethylene glycol.
3. The graphene-based conductive coating according to claim 1, wherein: the graphene oxide is prepared by the following steps:
adding graphite powder into a beaker, adding sodium nitrate and concentrated sulfuric acid with the mass fraction of 98%, stirring for 15min in an ice-water bath, adding potassium permanganate, continuing to stir for 30min, heating in a 40 ℃ water bath, reacting for 3h, adding deionized water, heating to 75 ℃, magnetically stirring for 30min, adding aqueous hydrogen peroxide with the mass fraction of 10%, continuing to react for 10min, adding dilute hydrochloric acid with the mass fraction of 10%, stirring and washing at a constant speed to prepare graphite oxide, dispersing the graphite oxide in deionized water after washing, ultrasonically dispersing for 30min, centrifuging for 5min at the rotating speed of 2000r/min, filtering and drying to prepare graphene oxide, and controlling the dosage ratio of the graphite powder, the sodium nitrate, the concentrated sulfuric acid, the potassium permanganate, the aqueous hydrogen peroxide, the dilute hydrochloric acid and the deionized water to be 1 g: 0.5 g: 23 mL: 3 g: 15 mL: 40 mL: 60mL.
4. The graphene-based conductive coating according to claim 1, wherein: in the step S1, the dosage ratio of the graphene oxide, the gamma- (2, 3-epoxypropoxy) propyl trimethoxy silane, the anhydrous ethanol and the deionized water is controlled to be 1.5 g: 30 g: 150 mL: 12g, in the step S2, the dosage ratio of the doped nano powder, the deionized water, the isopropanol and the gamma-aminopropyl triethoxy silane is controlled to be 2-3 g: 30 mL: 100 mL: 3mL, in the step S3, the dosage ratio of the grafted graphene oxide, the modified doped nano powder and the N, N-dimethyl formamide is controlled to be 1-2 g: 1 g: 100mL.
5. The graphene-based conductive coating according to claim 1, wherein: the resin matrix is any one of PVB resin, bisphenol A epoxy resin and waterborne polyurethane acrylic resin.
6. The graphene-based conductive coating according to claim 1, wherein: the organic solvent is one or more of absolute ethyl alcohol, isopropanol and butanol which are mixed according to any proportion.
7. The preparation method of the graphene-based conductive coating according to claim 1, characterized in that: the method comprises the following steps:
and slowly adding the resin matrix into the organic solvent, uniformly stirring, standing for 4h, adding the multi-element composite conductive filler, and stirring at a high speed for 10min to obtain the graphene-based conductive coating.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116376417A (en) * | 2023-04-06 | 2023-07-04 | 金华市美林涂料有限公司 | A kind of water-based paint and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318948A (en) * | 2013-06-21 | 2013-09-25 | 深圳先进技术研究院 | Preparation method of stibium-doped tin oxide nano powder |
| CN106752526A (en) * | 2016-12-23 | 2017-05-31 | 沈阳化工研究院有限公司 | A kind of aqueous light reflection industrial heat preservation coating and preparation method thereof |
| CN108892989A (en) * | 2018-07-17 | 2018-11-27 | 中喜（宁夏）新材料有限公司 | A kind of preparation method of graphene multifunctional coating |
| CN109943190A (en) * | 2019-01-31 | 2019-06-28 | 北京化工大学 | A kind of electrostatic conductive anti-corrosion functional composite coating material, preparation method and application |
| CN111410820A (en) * | 2020-06-01 | 2020-07-14 | 郭芳芳 | Preparation method and application of graphene modified epoxy resin |
| CN111471340A (en) * | 2020-04-02 | 2020-07-31 | 北京卫星制造厂有限公司 | Graphene anti-corrosion-thermal control-anti-static integrated functional coating and preparation method thereof |
| CN111620997A (en) * | 2020-06-09 | 2020-09-04 | 林多炉 | High-strength graphene modified polyurethane conductive material and preparation method thereof |
| CN112251141A (en) * | 2020-11-05 | 2021-01-22 | 长沙天源羲王材料科技有限公司 | Graphene modified nano silver-copper-zinc-aluminum composite coating and preparation method and application thereof |
| EP3869591A1 (en) * | 2020-02-19 | 2021-08-25 | Vito NV | Method for applying a functional compound on sulphur particles and sulphur particles resulting therefrom |
-
2022
- 2022-10-11 CN CN202211242986.4A patent/CN115433484A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318948A (en) * | 2013-06-21 | 2013-09-25 | 深圳先进技术研究院 | Preparation method of stibium-doped tin oxide nano powder |
| CN106752526A (en) * | 2016-12-23 | 2017-05-31 | 沈阳化工研究院有限公司 | A kind of aqueous light reflection industrial heat preservation coating and preparation method thereof |
| CN108892989A (en) * | 2018-07-17 | 2018-11-27 | 中喜（宁夏）新材料有限公司 | A kind of preparation method of graphene multifunctional coating |
| CN109943190A (en) * | 2019-01-31 | 2019-06-28 | 北京化工大学 | A kind of electrostatic conductive anti-corrosion functional composite coating material, preparation method and application |
| EP3869591A1 (en) * | 2020-02-19 | 2021-08-25 | Vito NV | Method for applying a functional compound on sulphur particles and sulphur particles resulting therefrom |
| CN111471340A (en) * | 2020-04-02 | 2020-07-31 | 北京卫星制造厂有限公司 | Graphene anti-corrosion-thermal control-anti-static integrated functional coating and preparation method thereof |
| CN111410820A (en) * | 2020-06-01 | 2020-07-14 | 郭芳芳 | Preparation method and application of graphene modified epoxy resin |
| CN111620997A (en) * | 2020-06-09 | 2020-09-04 | 林多炉 | High-strength graphene modified polyurethane conductive material and preparation method thereof |
| CN112251141A (en) * | 2020-11-05 | 2021-01-22 | 长沙天源羲王材料科技有限公司 | Graphene modified nano silver-copper-zinc-aluminum composite coating and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 朱科: "丙烯酸酯-环氧树脂核壳乳液及石墨烯复合涂料的制备与防腐性能研究" * |
| 郑泽禹: "Si3N4-GO/无溶剂有机硅改性环氧复合涂料的制备及其性能研究" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116376417A (en) * | 2023-04-06 | 2023-07-04 | 金华市美林涂料有限公司 | A kind of water-based paint and preparation method thereof |
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