CN109423096B - Water-based multifunctional conductive coating and preparation method thereof - Google Patents
Water-based multifunctional conductive coating and preparation method thereof Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 49
- 239000006185 dispersion Substances 0.000 claims abstract description 38
- 239000002270 dispersing agent Substances 0.000 claims abstract description 35
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000839 emulsion Substances 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000003973 paint Substances 0.000 claims abstract description 19
- 239000002562 thickening agent Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000000080 wetting agent Substances 0.000 claims abstract description 17
- 239000013530 defoamer Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 239000006184 cosolvent Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 16
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 12
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims description 6
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 5
- 239000005056 polyisocyanate Substances 0.000 claims description 5
- 229920001228 polyisocyanate Polymers 0.000 claims description 5
- -1 DMAE amine Chemical class 0.000 claims description 4
- 241000544076 Whipplea modesta Species 0.000 claims description 2
- 239000002518 antifoaming agent Substances 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 15
- 150000002148 esters Chemical class 0.000 abstract description 15
- 150000002527 isonitriles Chemical class 0.000 abstract description 15
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- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- 238000002156 mixing Methods 0.000 description 9
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- 239000011259 mixed solution Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 5
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- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 4
- 229960002887 deanol Drugs 0.000 description 4
- 239000012972 dimethylethanolamine Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
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- 238000000034 method Methods 0.000 description 2
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- 229920000582 polyisocyanurate Polymers 0.000 description 2
- 239000011495 polyisocyanurate Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
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- 238000000227 grinding Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D5/08—Anti-corrosive 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a water-based multifunctional conductive coating, and belongs to the technical field of coatings. The aqueous multifunctional conductive coating comprises the following components in parts by weight: 50-60 parts of aqueous acrylic emulsion and 10-15 parts of poly-isonitrile acid ester resin; 5-10 parts of graphene dispersion; 2-3 parts of dispersing agent, 2-6 parts of environment-friendly cosolvent, 0.1-0.2 part of neutralizer, 0.2-0.5 part of defoamer, 0.4-0.6 part of flatting agent, 0.3-0.5 part of substrate wetting agent, 5-10 parts of deionized water and 0.5-1.0 part of thickener; 10-15 parts of pigment; wherein the dispersant is a mixture of TEGO 760W and BYK-190. Compared with the traditional solvent-based paint, the water-based multifunctional conductive paint reduces the emission of organic volatile matters, is environment-friendly, and has obviously improved performances such as wear resistance, corrosion resistance, aging resistance, high temperature resistance, low temperature resistance and the like, and particularly has the conductivity of 10-15 s/m.
Description
Technical Field
The invention relates to a water-based multifunctional conductive coating and a preparation method thereof, belonging to the technical field of coatings.
Background
The conductive paint is a special paint which is coated on high-resistivity polymer material to enable the high-resistivity polymer material to have the capability of conducting current and eliminating accumulated static charges, and can be coated on the surface or inside of a substrate with any shape. The conductive paint can be divided into two main types, namely structural (also called intrinsic type) conductive paint and composite (also called additive type) conductive paint according to the composition and the conductive mechanism. The conductive material of the structural conductive coating is the polymer itself. The conductive material of the composite conductive coating is a conductive substance (metal, graphite and the like) added in the insulating polymer, and the conductive substance is utilized to make the polymer have conductive performance.
For example, chinese patent document CN105462447a discloses a graphene conductive coating, which comprises, by mass, 4-8 parts of graphene, 4-8 parts of epoxy acrylic resin, 2-3 parts of polyurethane acrylate, 1-2 parts of polyethylene wax, and 4-20 parts of ethanol. The graphene conductive coating in the technology has the advantages of good electric conduction/heat conduction performance and simple coating components. However, the technology adopts ethanol as a solvent to prepare the graphene conductive coating, and ethanol as an organic solvent has higher price, so that the graphene conductive coating has higher price, and ethanol is extremely volatile, and in the preparation and storage processes, the ethanol is greatly volatilized to cause great harm to the environment and constructors, so that the water-based environment-friendly conductive coating is a necessary trend of future development along with the importance of people on the environment quality and resources. However, since graphene is used as an organic conductive material, if the graphene is directly added into the water-based environment-friendly paint, the problem of serious uneven dispersion of the graphene in the water-based environment-friendly paint exists, and the uneven dispersion of the graphene affects the conductive performance of the conductive paint.
Disclosure of Invention
The technical problem to be solved by the invention is that graphene is directly added into the water-based environment-friendly paint in the prior art, the problem of serious uneven dispersion of the graphene exists, and the uneven dispersion of the graphene can influence the conductivity of the conductive paint, so that the conductivity of the water-based conductive paint is poor; further provides an aqueous multifunctional conductive coating with excellent conductive performance.
In order to solve the technical problems, the invention provides the water-based multifunctional conductive coating. The aqueous multifunctional conductive coating comprises the following components in parts by weight: 50-60 parts of aqueous acrylic emulsion and 10-15 parts of poly-isonitrile acid ester resin; 5-10 parts of graphene dispersion; 2-3 parts of dispersing agent, 2-6 parts of environment-friendly cosolvent, 0.1-0.2 part of neutralizer, 0.2-0.5 part of defoamer, 0.4-0.6 part of flatting agent, 0.3-0.5 part of substrate wetting agent, 5-10 parts of deionized water and 0.5-1.0 part of thickener; 10-15 parts of pigment; wherein the dispersant is a mixture of TEGO 760W and BYK-190.
Preferably, the aqueous multifunctional conductive coating comprises the following components in parts by weight: 57 parts of aqueous acrylic emulsion and 13 parts of poly-isonitrile acid ester resin; 9 parts of graphene dispersion; 2.5 parts of dispersing agent, 4 parts of environment-friendly cosolvent, 0.15 part of neutralizer, 0.2 part of defoamer, 0.4 part of flatting agent, 0.4 part of substrate wetting agent, 8 parts of deionized water and 0.5 part of thickener; 13 parts of pigment; wherein the dispersant is TEGO 760W or BYK-190.
Preferably, in the dispersant, the mass ratio of the TEGO 760W to the BYK-190 is (3-5): (2-4).
Preferably, the aqueous acrylic emulsion is acrylic dispersion a2743; the poly-isonitrile acid ester resin isN 3900。
Preferably, the graphene dispersion is a time Graph (TM) graphene dispersion.
Preferably, the environment-friendly cosolvent is one or two of propylene glycol butyl ether and propylene glycol methyl ether; the neutralizer is one or two of the modus-DMAE amine, the dimethylethanolamine and the AMP-95.
Preferably, the defoamer is a mixture of 941PL and BYK-028 created first in France; the leveling agent is one or two of PW-336 and TEGO-4100 created first in France; the substrate wetting agent is BYK-346; the thickener is Borchi Gel 0620.
Further, the invention also provides a preparation method of the water-based multifunctional conductive paint, which comprises the following steps:
(1) According to the raw material proportion, sequentially adding 50% of water, a dispersing agent, pigment and graphene dispersion liquid in a formula into a first material preparation pot, uniformly mixing, grinding until the fineness is less than 20 microns, adding aqueous acrylic emulsion into the mixture, and uniformly mixing;
(2) Sequentially adding the mixture of the environment-friendly cosolvent, the neutralizer and the rest 50% of water into a second material preparation pot according to the raw material proportion, stirring and mixing uniformly, sequentially adding the defoaming agent, the flatting agent and the substrate wetting agent into the mixture, and stirring and mixing uniformly;
(3) Adding the mixed solution in the step (1) into the mixed solution in the step (2), and uniformly stirring and mixing;
(4) Sequentially adding a thickening agent and water into the step (3) according to the raw material proportion, stirring and mixing uniformly, and adjusting the viscosity to 80-90KU;
(5) And (3) adding the poly (isonitrile acid ester) resin into the step (4) according to the raw material proportion, and uniformly stirring and mixing to obtain the multifunctional conductive coating.
Compared with the prior art, the invention has the following advantages:
(1) According to the aqueous multifunctional conductive coating disclosed by the invention, graphene dispersion liquid is selected to replace graphene commonly used in the prior art, and a specific amount and a specific type of TEGO 760W and BYK-190 mixed dispersing agent are matched, so that graphene can be uniformly dispersed in aqueous acrylic emulsion, and other specific amounts of additives are added, so that the aqueous multifunctional conductive coating with excellent conductive performance can be prepared. Compared with the traditional solvent-based paint, the water-based multifunctional conductive paint reduces the emission of organic volatile matters, is environment-friendly, and has obviously improved performances such as wear resistance, corrosion resistance, aging resistance, high temperature resistance, low temperature resistance and the like, and particularly has the conductivity of 10-15 s/m.
(2) The aqueous multifunctional conductive coating disclosed by the invention is further preferably limited to 57 parts of aqueous acrylic emulsion and 13 parts of poly (isonitrile acid ester) resin in parts by weight; 9 parts of graphene dispersion; 2.5 parts of dispersing agent, 4 parts of environment-friendly cosolvent, 0.15 part of neutralizer, 0.2 part of defoamer, 0.4 part of flatting agent, 0.4 part of substrate wetting agent, 8 parts of deionized water and 0.5 part of thickener; 13 parts of pigment, and under the preferable metering, the prepared aqueous multifunctional conductive coating has more excellent performance. Through tests, the wear-resisting times can reach 800 times, the salt fog resistance can reach 520 hours, the aging resistance can reach 850 hours, the high temperature resistance can reach 200 hours, the low temperature resistance can reach 200 hours, and particularly the conductivity can reach 15S/m, so that the conductive performance is excellent.
(3) The invention relates to a water-based multifunctional conductive paintOne-step selection of the aqueous acrylic emulsion as acrylic dispersion a2743; the polyisocyanurate resin isN3900, when the graphene dispersion liquid is a Times Graph TM graphene dispersion liquid, the specific TEGO 760W and BYK-190 dispersing agent are matched, the prepared aqueous multifunctional conductive coating has wear resistance up to 590-800 Times, salt fog resistance up to 320-520 hours, aging resistance up to 660-850 hours, high temperature resistance up to 180-250 hours, low temperature resistance up to 180-250 hours, and particularly has excellent conductivity, and the conductivity can be up to 10-15S/m.
(4) According to the preparation method of the aqueous multifunctional conductive coating, a certain amount of water, a dispersing agent, pigment and graphene dispersion liquid are uniformly mixed, the fineness of solid particles in the mixed liquid is controlled to be smaller than 20 microns, and then aqueous acrylic emulsion is added into the mixed liquid, so that the graphene is more uniformly dispersed in the mixed solution of the aqueous acrylic emulsion; uniformly mixing the residual water, the environment-friendly cosolvent, the neutralizer, the defoamer, the leveling agent and the substrate wetting agent; then uniformly mixing the two mixed solutions, wherein the addition sequence can further ensure uniform dispersion of graphene in the mixed solution; finally, adding a thickening agent and water, and adjusting the viscosity to a proper viscosity, so that the graphene can be further ensured to be kept in a uniformly dispersed state under the specific viscosity; the thickening agent is added at last, so that the problem of uneven dispersion of graphene caused by too early addition of the thickening agent can be avoided; when the aqueous conductive coating is used, the poly-isonitrile acid ester resin is added into the mixed solution, so that the aqueous acrylic emulsion can be solidified, and the aqueous conductive coating is further obtained. The water-based conductive coating prepared by the method has the advantages of excellent conductivity, good weather resistance and the like.
Detailed Description
The present invention will be described in further detail with reference to examples, but is not limited thereto.
The compounds described in the examples below were used in the following commercial versions:
the dispersing agent is one or two of TEGO 760W and BYK-190;
the aqueous acrylic emulsion is acrylic dispersion A2743;
the poly-isonitrile acid ester resin isN 3900；
The graphene dispersion liquid is a Times Graph TM graphene dispersion liquid;
the environment-friendly cosolvent is one or two of propylene glycol butyl ether and propylene glycol methyl ether;
the neutralizer is one or two of the modus-like DMAE amine, the dimethylethanolamine and the AMP-95;
the defoamer is a mixture of 941PL and BYK-028 created first in France;
the leveling agent is one or two of PW-336 and TEGO-4100 created first in France;
the substrate wetting agent is BYK-346;
the thickener is Borchi Gel 0620.
Example 1
In this embodiment, the aqueous multifunctional conductive coating is composed of the following components in parts by weight: 51 parts of aqueous acrylic emulsion, 10 parts of poly-isonitrile acid ester resin; 5.2 parts of graphene dispersion; 2.7 parts of dispersing agent, 2 parts of propylene glycol butyl ether, 0.11 part of modesty DMAE amine, 0.2 part of defoamer, 0.4 part of TEGO-4100, 0.3 part of substrate wetting agent, 5 parts of deionized water and 0.5 part of thickener; 10 parts of pigment; wherein the dispersing agent is TEGO 760W and BYK-190, and the adding amount of the TEGO 760W and the BYK-190 is 3:2 by mass ratio.
Example 2
In this embodiment, the aqueous multifunctional conductive coating is composed of the following components in parts by weight: 50 parts of aqueous acrylic emulsion and 10 parts of poly-isonitrile acid ester resin; 5 parts of graphene dispersion; 2 parts of dispersing agent, 2 parts of propylene glycol methyl ether, 0.1 part of dimethylethanolamine, 0.2 part of defoamer, 0.4 part of TEGO-4100, 0.3 part of substrate wetting agent, 5 parts of deionized water and 0.5 part of thickener; 10 parts of titanium dioxide; wherein the dispersing agent is TEGO 760W and BYK-190, and the adding amount of the TEGO 760W and the BYK-190 is 3:4 by mass ratio.
Example 3
In this embodiment, the aqueous multifunctional conductive coating is composed of the following components in parts by weight: 55 parts of aqueous acrylic emulsion and 10 parts of poly-isonitrile acid ester resin; 5 parts of graphene dispersion; 3 parts of dispersing agent, 4 parts of propylene glycol butyl ether, 0.2 part of dimethylethanolamine, 0.3 part of defoamer, 0.5 part of PW-336, 0.5 part of substrate wetting agent, 10 parts of deionized water and 1 part of thickener; 15 parts of titanium dioxide; wherein the dispersing agent is TEGO 760W and BYK-190, and the adding amount of the TEGO 760W and the BYK-190 is 5:2 by mass ratio.
Example 4
In this embodiment, the aqueous multifunctional conductive coating is composed of the following components in parts by weight: 60 parts of aqueous acrylic emulsion and 14 parts of poly-isonitrile acid ester resin; 8 parts of graphene dispersion; 3 parts of dispersing agent, 5.7 parts of propylene glycol butyl ether, 0.2 part of AMP-95, 0.45 part of defoamer, 0.6 part of TEGO-4100, 0.5 part of substrate wetting agent, 10 parts of deionized water and 1 part of thickener; 15 parts of titanium dioxide; wherein the dispersing agent is TEGO 760W and BYK-190, and the mass ratio of the adding amount of the TEGO 760W to the adding amount of the BYK-190 is 5:4.
Example 5
In this embodiment, the aqueous multifunctional conductive coating is composed of the following components in parts by weight: 57 parts of aqueous acrylic emulsion and 13 parts of poly-isonitrile acid ester resin; 9 parts of graphene dispersion; 2.5 parts of dispersing agent, 4 parts of propylene glycol methyl ether, 0.15 part of AMP-95, 0.2 part of defoamer, 0.4 part of PW-336, 0.4 part of substrate wetting agent, 8 parts of deionized water and 0.5 part of thickener; 13 parts of titanium dioxide; wherein the dispersing agent is TEGO 760W and BYK-190, and the adding amount of the TEGO 760W and the BYK-190 is 3:3 by mass.
Example 6
In this embodiment, the aqueous multifunctional conductive coating is composed of the following components in parts by weight: 60 parts of aqueous acrylic emulsion, 15 parts of poly-isonitrile acid ester resin; 10 parts of graphene dispersion; 3 parts of dispersing agent, 6 parts of propylene glycol methyl ether, 0.2 part of modus-DMAE amine, 0.5 part of defoamer, 0.6 part of PW-336, 0.5 part of substrate wetting agent, 10 parts of deionized water and 1.0 part of thickener; 15 parts of titanium dioxide; wherein the dispersing agent is TEGO 760W and BYK-190, and the mass ratio of the adding amount of the TEGO 760W to the adding amount of the BYK-190 is 4:3.
Comparative example 1: the polyisocyanurate resin graphene dispersion liquid in the embodiment 1 is completely changed into single-layer graphene with the thickness of a slice layer not more than 3nm which is commonly used in the prior art;
comparative example 2: the graphene dispersion in example 3 was all exchanged for the multilayer graphene commonly used in the prior art;
comparative example 3: the polyisocyanate resin component in example 1 was completely changed to an aqueous acrylic emulsion, and the remaining components were unchanged;
comparative example 4: the aqueous acrylic emulsion component in example 2 was completely changed to a polyisocyanate resin, and the remaining components were unchanged;
comparative example 5: the dispersant component of example 5 was all replaced with760W, the rest components are unchanged.
Comparative example 6: the dispersant ingredients in example 5 were all changed to BYK-190, the remaining ingredients being unchanged.
Comparative example 7: the dispersant ingredients in example 5 were all changed to BYK-194, the remaining ingredients being unchanged.
Performance test: examples 1-6 and comparative examples 1-5 were prepared into templates by spray coating, and the formed paint films were tested for abrasion resistance, salt spray resistance, aging resistance, high temperature resistance, and low temperature resistance according to the national standard HG/T4761-2014, and the paint films were tested for electrical conductivity according to the national standard GB/T26004-2010, and the results are shown in Table 1.
Table 1 performance measurements
From the above experimental data, it can be seen that: (1) The graphene dispersion liquid has great influence on the conductive performance of the conductive coating, and the graphene dispersion liquid is matched with the mixed solution of TEGO Dispers 760W and DIPER BYK-190 dispersing agent, so that a synergistic effect can be achieved, and the prepared multifunctional conductive coating has excellent conductive performance and the like. (2) The water-based acrylic emulsion and the poly-isonitrile acid ester resin are matched for use, so that the conductive coating has excellent effects of wear resistance, corrosion resistance, aging resistance, high temperature resistance and low temperature resistance. (3) When the dispersing agent is a mixture of TEGO Dispers 760, 760W and DIPER BYK-190, the synergistic effect of the two dispersing agents can play an excellent role in dispersing the graphene dispersion liquid, so that the graphene dispersion liquid is uniformly dispersed in the conductive coating, and the conductive performance of the conductive coating can be improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor it is an exhaustive list of all embodiments but obvious variations or modifications from the list are within the scope of the invention as defined in the claims.
Claims (4)
1. The water-based multifunctional conductive coating is characterized by comprising the following components in parts by weight: 50-60 parts of aqueous acrylic emulsion and 10-15 parts of polyisocyanate resin; 5-10 parts of graphene dispersion; 2-3 parts of dispersing agent, 2-6 parts of environment-friendly cosolvent, 0.1-0.2 part of neutralizer, 0.2-0.5 part of defoamer, 0.4-0.6 part of flatting agent, 0.3-0.5 part of substrate wetting agent, 5-10 parts of deionized water and 0.5-1.0 part of thickener; 10-15 parts of pigment; wherein the dispersant is a mixture of TEGO 760W and BYK-190; in the dispersant, the mass ratio of the TEGO 760W to the BYK-190 is (3-5): (2-4) the aqueous acrylic emulsion is ACURE2743 created by Kogyo; the polyisocyanate resin is N3900; the graphene dispersion liquid is a Times Graph TM graphene dispersion liquid.
2. The aqueous multifunctional conductive coating according to claim 1, which is characterized by comprising the following components in parts by weight: 57 parts of aqueous acrylic emulsion and 13 parts of polyisocyanate resin; 9 parts of graphene dispersion; 2.5 The paint comprises, by weight, a dispersing agent, 4 parts of an environment-friendly cosolvent, 0.15 part of a neutralizing agent, 0.2 part of a defoaming agent, 0.4 part of a leveling agent, 0.4 part of a substrate wetting agent, 8 parts of deionized water and 0.5 part of a thickening agent; 13 parts of pigment.
3. The aqueous multifunctional conductive coating according to claim 1, wherein the environment-friendly cosolvent is one or two of propylene glycol butyl ether and propylene glycol methyl ether; the neutralizer is one or two of the modesty DMAE amine and the AMP-95.
4. A waterborne multifunctional conductive coating according to any of claims 1-3, wherein the defoamer is a mixture of 941PL and BYK-028 created first in france; the leveling agent is one or two of PW-336 and TEGO-4100 created first in France; the substrate wetting agent is BYK-346; the thickener is Borchi Gel 0620.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604530A (en) * | 2012-03-19 | 2012-07-25 | 上海门普来新材料股份有限公司 | Environment-friendly water-based bi-component polyurethane steel-structure anti-corrosion finish paint and preparation method |
| CN105086811A (en) * | 2015-08-20 | 2015-11-25 | 成都拜迪新材料有限公司 | Preparation method of water-based acrylic polyurethane top coat used for high-speed rail motor car bodies |
| CN105295647A (en) * | 2015-10-23 | 2016-02-03 | 中国航空工业集团公司北京航空材料研究院 | Graphene enhanced water-based paint and preparation and using method thereof |
| CN105820634A (en) * | 2015-01-06 | 2016-08-03 | 新材料与产业技术北京研究院 | Graphene-carbon black composite conductive coating, preparation method and application thereof |
-
2017
- 2017-07-13 CN CN201710568940.4A patent/CN109423096B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604530A (en) * | 2012-03-19 | 2012-07-25 | 上海门普来新材料股份有限公司 | Environment-friendly water-based bi-component polyurethane steel-structure anti-corrosion finish paint and preparation method |
| CN105820634A (en) * | 2015-01-06 | 2016-08-03 | 新材料与产业技术北京研究院 | Graphene-carbon black composite conductive coating, preparation method and application thereof |
| CN105086811A (en) * | 2015-08-20 | 2015-11-25 | 成都拜迪新材料有限公司 | Preparation method of water-based acrylic polyurethane top coat used for high-speed rail motor car bodies |
| CN105295647A (en) * | 2015-10-23 | 2016-02-03 | 中国航空工业集团公司北京航空材料研究院 | Graphene enhanced water-based paint and preparation and using method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 磺化石墨烯在丙烯酸酯涂料中的性能研究;吴平等;《涂料工业》;20170301;第47卷(第3期);第67-71页 * |
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