CN110791138A - Electromagnetic wave unidirectional conduction coating and preparation method thereof - Google Patents
Electromagnetic wave unidirectional conduction coating and preparation method thereof Download PDFInfo
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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
- C09D5/30—Camouflage paints
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- 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
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
- C09D133/16—Homopolymers or copolymers of esters containing halogen atoms
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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
- C09D145/00—Coating compositions based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Coating compositions based on derivatives of such polymers
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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
- C09D5/32—Radiation-absorbing paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
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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
- C08K2003/0893—Zinc
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses an electromagnetic wave unidirectional conduction coating and a preparation method thereof, belonging to the technical field of coatings and comprising the following raw materials in percentage by mass: 30-80% of primer resin, 8-30% of functional powder and 1-10% of auxiliary agent, wherein the primer resin is organic fluorine modified acrylic resin and SJ-140M inorganic silicon resin; the functional powder is titanium dioxide, nano-copper zinc powder and nano-superfine carbon black; 30-80% of finish paint resin, 8-30% of functional powder and 1-10% of auxiliary agent, wherein the finish paint resin is terpene modified resin and methyl hexahydrophthalic anhydride; the functional powder is graphene and nano glass fiber; the coating has good absorptivity to infrared, far infrared and radar waves, and has strong anti-reconnaissance stealth effect; the fighter plane coated by the coating can carry out electromagnetic interference attack on an enemy plane in a short distance; the surface of the coating fighter plane transmits strong electromagnetic interference to the surrounding in a one-way mode, an electromagnetic interference device on the plane is replaced, the self weight of the plane is reduced, the load capacity is increased, and the missile carrying space is increased.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an electromagnetic wave unidirectional conduction coating and a preparation method thereof.
Background
The modern war is different from the previous war greatly in the development of modern science and technology in the development of era, science and technology is developed, the modern war is not just a war of military forces, the modern war is a war of science and technology fundamentally, and manpower is not a main factor for determining the victory or defeat of the war. Electronic wars are gradually walking on the battle stage. The method is simply the conflict between two parties of the battle and the competition of fighting the electromagnetic right by using the electronic equipment. Electronic warfare mainly comprises three major elements of electronic attack, electronic defense and electronic support. The evolution from communication countermeasure, radar countermeasure, underwater acoustic countermeasure to anti-radiation countermeasure, photoelectric countermeasure, stealth countermeasure, and satellite and strong radiation countermeasure, and the like. Electronic warfare has become an indispensable important means of combat in modern warfare.
At present, the airplane participating in electronic warfare mainly adopts an airplane body to be hung with an electronic interference emission device to realize a fighting means. The bulky electronic equipment devices affect the payload of a combat-type aircraft. However, electronic devices are essential for their defense against attacks. Secondly, the surface of the fighting type airplane is mainly provided with a simple invisible countermeasure electronic radar and infrared far infrared rays. The search for a coating with high-performance stealth defense characteristics and excellent electromagnetic wave unidirectional conduction aggressivity is a particularly excellent choice.
Disclosure of Invention
One of the objectives of the present invention is to provide a coating with unidirectional electromagnetic wave conduction, so as to solve the above problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the electromagnetic wave unidirectional conduction coating comprises the following raw materials in percentage by mass:
30 to 80 percent of combined resin
8 to 30 percent of functional powder
1-10% of an auxiliary agent;
the composite resin comprises primer composite resin and finish composite resin, wherein the primer composite resin comprises organic fluorine modified acrylic resin and inorganic silicon resin, and the finish composite resin comprises terpene modified resin and methyl hexahydrophthalic anhydride; the functional powder comprises primer functional powder and finish functional powder, wherein the primer functional powder is titanium dioxide, nano-copper zinc powder and nano-superfine carbon black, and the finish functional powder is graphene and nano-glass fiber; wherein, the inorganic silicone resin is preferably SJ-140M inorganic silicone resin;
the invention reasonably matches a plurality of high-quality resins: the inorganic silicon resin, the titanium dioxide, the nano copper zinc powder and the nano superfine carbon black can strongly absorb electromagnetic waves and pertinently resist radar, so that the stealth camouflage effect of the painted object is realized; the terpene modified resin is used as main resin to be matched with methyl hexahydrophthalic anhydride to fully wrap and disperse functional powder such as graphene, nano glass fiber and the like, so that the terpene modified resin has the effect of fully conducting electromagnetic waves and can realize the emission of the electromagnetic waves in multiple directions; the organic fluorine modified acrylic resin improves the performances of the coating such as weather resistance, durability, chemical resistance, corrosion resistance, abrasion resistance, non-pollution resistance and the like. The resins are mutually cooperated as connecting materials in proper proportion; and proper auxiliaries are added to coordinate with each other, so that the prepared camouflage paint has excellent performance and can basically solve the problems.
As a preferred technical scheme: the auxiliary agent comprises an anti-settling agent, a leveling agent, a defoaming agent, an antistatic agent and an adhesion promoter.
As a further preferable aspect: the anti-settling agent is MH-5220 type nano-scale silicon dioxide, so that the pigment is prevented from settling to play a role in stability, the thixotropy is changed, the viscosity is adjusted, the leveling property is improved, and the skinning of the pigment is prevented;
the TEGO Rad2700 is selected as the leveling agent, so that the coating can be formed into a flat, smooth and uniform film, and the surface smoothness, scratch resistance and anti-adhesion property are effectively improved;
GP330 is selected as the defoaming agent, so that the defoaming agent plays a role in preventing and eliminating bubbles in the production and construction processes;
the antistatic agent is Basionics LQ1, and plays a role in eliminating static electricity in the production and construction processes.
The adhesion promoter adopts Adherant1121, so that the product has excellent adhesion fastness to base materials such as pig iron, stainless steel, organic composite boards, ceramic materials and the like.
As a preferred technical scheme: in the primer combination resin, the organic fluorine modified acrylic resin comprises the following components in percentage by mass: SJ-140M inorganic silicone resin (35-45): 30-42); in the finishing paint combined resin, the terpene modified resin comprises the following components in percentage by mass: methyl hexahydrophthalic anhydride (30-35): 35-40. In the primer functional powder, the mass ratio of titanium dioxide: nano-scale copper zinc powder: nano-sized ultrafine carbon black ═ (10-15): (5-10): (1-3). In the finish functional powder, the mass ratio of graphene: nano-sized glass fiber ═ 20-25: (5-10).
As a preferred technical scheme: the primer consists of the following raw materials in percentage by mass: 41% of organic fluorine modified acrylic resin, 38% of SJ-140M inorganic silicon resin, 12% of titanium dioxide, 5.5% of nano-scale copper zinc powder, 1.2% of nano-scale ultrafine carbon black, 1.78% of anti-settling agent MH-52200.8%, flatting agent TEGO Rad27000.5%, defoaming agent GP 3300.5%, 0.3% of antistatic agent and 0.2% of adhesion promoter; the finish paint is prepared from the following raw materials in percentage by mass: 33% of terpene modified resin, 37% of methyl hexahydrophthalic anhydride, 20% of graphene, 8% of nano glass fiber, MH-52200.5% of anti-settling agent, TEGORad27000.5% of flatting agent, GP 3300.2% of defoaming agent, 0.5% of antistatic agent and 0.3% of adhesion promoter.
The second purpose of the present invention is to provide a preparation method of the electromagnetic wave unidirectional conductive coating, which adopts the technical scheme that: the method comprises the following steps: mixing the raw materials except the surfactant, the adhesion promoter and the antistatic agent according to the proportion, stirring and dispersing, then grinding to obtain the product with the fineness of below 25 mu m, then adding the surfactant, the antistatic agent and the adhesion promoter according to the proportion, filtering and packaging to obtain the product.
Compared with the prior art, the electromagnetic wave unidirectional conduction coating has the advantages that when the coating is a single coating, the coating construction is carried out when the coating is used, the plasticity is strong so as to deal with the irregular shape of the surface of a fighter plane; the coating can realize unidirectional electromagnetic interference in a short time when fully coating a warplane, so that the missile is destroyed by long-distance air-to-air impact after the missile deviates from the track, and the missile is prevented from further damaging the warplane and onboard personnel by the elastic sheet after the missile hits the bait projectile; the coating can realize that the fighter plane carries out electromagnetic interference attack on the opponent plane in a short distance, so that the opponent plane loses fighting power and exits a battlefield or crashes due to mechanical failure; the coating fighter plane surface transmits strong electromagnetic interference to the surrounding in a one-way conduction mode, an electromagnetic interference device on an airplane is replaced, the self weight of the airplane is reduced, and the load capacity is increased; after the coating is coated, the coating has good absorptivity to infrared, far infrared and radar waves, and has strong anti-reconnaissance stealth effect; the solid content of the coating is high, so that the construction amount can be reduced by brushing in place at one time; the invention is environment-friendly and nontoxic without adding organic solvent, has good leveling property and excellent transferability. The paint has excellent dryness, abrasion resistance, scraping resistance and adhesion fastness; the camouflage prepared by the invention is suitable for the following base materials: pig iron, stainless steel, organic composite plates, ceramic materials and the like.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1:
the electromagnetic wave unidirectional conduction coating is composed of the following raw materials in percentage by mass: 41% of organic fluorine modified acrylic resin, 38% of SJ-140M inorganic silicon resin, 12% of titanium dioxide, 5.5% of nano-scale copper zinc powder, 1.2% of nano-scale ultrafine carbon black, 1.78% of anti-settling agent MH-52200.8%, flatting agent TEGO Rad27000.5%, defoaming agent GP 3300.5%, 0.3% of antistatic agent and 0.2% of adhesion promoter;
the preparation method comprises the following steps: mixing the raw materials except the surfactant, the adhesion promoter and the antistatic agent according to the proportion, stirring and dispersing, then grinding to obtain the material with the fineness of below 25 mu m, then adding the surfactant, the adhesion promoter and the antistatic agent according to the proportion, coating the material for 70-150 seconds when the viscosity reaches 4# cup, and filtering and packaging to obtain the product A1.
Example 2:
the electromagnetic wave unidirectional conduction coating is composed of the following raw materials in percentage by mass: 41% of organic fluorine modified acrylic resin, 38% of SJ-140M inorganic silicon resin, 10% of titanium dioxide, 7.5% of nano-scale copper zinc powder, 1.2% of nano-scale ultrafine carbon black, 1.78% of anti-settling agent MH-52200.8%, flatting agent TEGO Rad27000.5%, defoaming agent GP 3300.5%, 0.3% of antistatic agent and 0.2% of adhesion promoter;
the preparation method comprises the following steps: mixing the raw materials except the surfactant, the adhesion promoter and the antistatic agent according to the proportion, stirring and dispersing, then grinding to obtain the material with the fineness of below 25 mu m, then adding the surfactant, the adhesion promoter and the antistatic agent according to the proportion, coating the material for 70-150 seconds when the viscosity reaches 4# cup, and filtering and packaging to obtain the product A2.
Example 3:
the electromagnetic wave unidirectional conduction coating is composed of the following raw materials in percentage by mass: 33% of terpene modified resin, 37% of methyl hexahydrophthalic anhydride, 20% of graphene, 8% of nano glass fiber, MH-52200.5% of anti-settling agent, TEGORad27000.5% of flatting agent, GP 3300.2% of defoaming agent, 0.5% of antistatic agent and 0.3% of adhesion promoter.
The preparation method comprises the following steps: mixing the raw materials except the surfactant, the adhesion promoter and the antistatic agent according to the proportion, stirring and dispersing, then grinding to obtain the material with the fineness of below 25 mu m, then adding the surfactant, the adhesion promoter and the antistatic agent according to the proportion, coating the material for 70-150 seconds when the viscosity reaches 4# cup, and filtering and packaging to obtain a product B1.
Example 4:
the electromagnetic wave unidirectional conduction coating is composed of the following raw materials in percentage by mass: 33% of terpene modified resin, 34% of methyl hexahydrophthalic anhydride, 21% of graphene, 10% of nano glass fiber, MH-52200.5% of anti-settling agent, TEGORad27000.5% of flatting agent, GP 3300.2% of defoaming agent, 0.5% of antistatic agent and 0.3% of adhesion promoter.
The preparation method comprises the following steps: mixing the raw materials except the surfactant, the adhesion promoter and the antistatic agent according to the proportion, stirring and dispersing, then grinding to obtain the material with the fineness of below 25 mu m, then adding the surfactant, the adhesion promoter and the antistatic agent according to the proportion, coating the material for 70-150 seconds when the viscosity reaches 4# cup, and filtering and packaging to obtain a product B2.
Construction requirements are as follows: 1. coating primer after the warplane to be coated is subjected to comprehensive cleaning treatment;
2. after the primer is completely dried, placing the electromagnetic wave emission source leading-out point on the surface of the primer;
3. and finishing construction after finishing finish coating and drying the construction target.
And (3) performance testing: the products obtained in the claims were tested for their respective properties according to the respective standards, and the results are shown in Table 1
Table 1 product Performance test results
As can be seen from the above table, the product A2/B1 of the present invention is the most preferred embodiment.
The above description is only exemplary of the invention, and is not intended to limit the invention, which is defined by the appended claims.
Claims (6)
1. The electromagnetic wave unidirectional conduction coating is characterized by comprising the following raw materials in percentage by mass:
30 to 80 percent of combined resin
8 to 30 percent of functional powder
1-10% of an auxiliary agent;
the composite resin comprises primer composite resin and finish composite resin, wherein the primer composite resin comprises organic fluorine modified acrylic resin and inorganic silicon resin, and the finish composite resin comprises terpene modified resin and methyl hexahydrophthalic anhydride; the functional powder comprises primer functional powder and finish functional powder, wherein the primer functional powder is titanium dioxide, nano-copper zinc powder and nano-superfine carbon black, and the finish functional powder is graphene and nano-glass fiber.
2. The electromagnetic wave unidirectional conductive paint according to claim 1, characterized in that: the auxiliary agent comprises an anti-settling agent, a leveling agent, a defoaming agent, an antistatic agent and an adhesion promoter.
3. The electromagnetic wave unidirectional conductive paint according to claim 1, characterized in that: in the primer combination resin, the organic fluorine modified acrylic resin comprises the following components in percentage by mass: inorganic silicone resin = (35-45): 30-42); in the finish paint combined resin, the terpene modified resin comprises the following components in percentage by mass: methyl hexahydrophthalic anhydride = (30-35): 35-40).
4. The electromagnetic wave unidirectional conductive paint according to claim 1, characterized in that: in the primer functional powder, the mass ratio of titanium dioxide: nano-scale copper zinc powder: nanoscale ultrafine carbon black = (10-15): (5-10): (1-3); in the finish functional powder, the mass ratio of graphene: nano-sized glass fiber = (20-25): (5-10).
5. The electromagnetic wave unidirectional conductive paint according to claim 1, characterized in that: the primer consists of the following raw materials in percentage by mass: 41 percent of organic fluorine modified acrylic resin, 38 percent of inorganic silicon resin, 12 percent of titanium dioxide, 5.5 percent of nano-copper zinc powder, 1.2 percent of nano-ultrafine carbon black, MH-52200.8 percent of anti-settling agent, TEGO Rad27000.5 percent of flatting agent, GP 3300.5 percent of defoaming agent, 0.3 percent of antistatic agent and 0.2 percent of adhesion promoter; the finish paint is prepared from the following raw materials in percentage by mass: 33% of terpene modified resin, 37% of methyl hexahydrophthalic anhydride, 20% of graphene, 8% of nano glass fiber, MH-52200.5% of anti-settling agent, TEGORad27000.5% of flatting agent, GP 3300.2% of defoaming agent, 0.5% of antistatic agent and 0.3% of adhesion promoter.
6. A method for preparing the electromagnetic wave unidirectional conductive coating material of claim 1, characterized by comprising the steps of: mixing the raw materials except the surfactant, the adhesion promoter and the antistatic agent according to the proportion, stirring and dispersing, then grinding to obtain the product with the fineness of below 25 mu m, then adding the surfactant, the antistatic agent and the adhesion promoter according to the proportion, filtering and packaging to obtain the product.
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