CN115368769A - Electrostatic discharge solution, preparation method thereof and electrostatic discharge device - Google Patents
Electrostatic discharge solution, preparation method thereof and electrostatic discharge device Download PDFInfo
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- CN115368769A CN115368769A CN202011455658.3A CN202011455658A CN115368769A CN 115368769 A CN115368769 A CN 115368769A CN 202011455658 A CN202011455658 A CN 202011455658A CN 115368769 A CN115368769 A CN 115368769A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/02—Lightning protectors; Static dischargers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
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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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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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
- C09D7/20—Diluents or solvents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
-
- 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
- C08K2201/017—Additives being an antistatic agent
Abstract
The invention provides an electrostatic discharge solution, a preparation method thereof and an electrostatic discharge device, relates to the technical field of coatings, and can solve the problem that the existing method for directly adding conductive particles into engineering plastics has unstable resistance control. The specific technical scheme is as follows: mixing carbon nanofibers and high-conductivity carbon black to obtain multi-component conductive particles; adding the multi-component conductive particles and the dispersing agent into absolute ethyl alcohol, stirring, and performing ultrasonic dispersion to obtain a conductive ethyl alcohol solution; adding dichloromethane into the three-mouth bottle, and then placing the three-mouth bottle on a stirring device for stirring; adding engineering plastics into the three-mouth bottle, and stirring until the engineering plastics are completely dissolved to obtain a target mixture; and adding the conductive ethanol solution into the target mixture, stirring, and performing ultrasonic dispersion to obtain the antistatic solution.
Description
Technical Field
The disclosure relates to the technical field of coatings, in particular to an electrostatic discharge solution for an aircraft surface, a preparation method thereof and an electrostatic discharge device.
Background
The aircraft generates friction with air in the flying process, a large amount of static charges can be accumulated on the surface of the aircraft body, if the static charges are released in time, the static charges can interfere with aircraft communication and airborne equipment, and even threaten the flying safety in severe cases. In order to discharge electrostatic charges in time, an electrostatic discharge device is installed on the surface of an airplane, which is a common protection method for the airplane at present.
With the great application of carbon fiber composite materials in airplanes, composite high-discharge-resistance brushes are most widely used at present. In order to ensure that the electrostatic discharge device can smoothly discharge the electrostatic charges and the electromagnetic pulse generated in the process of discharging the electrostatic charges does not interfere with communication, the resistance value of the electrostatic discharge device is 6-200M omega. In order to meet the above requirements, the resistance of the final product is generally adjusted by adding conductive particles into the engineering plastics. However, since the resistance is required to be in the vicinity of the threshold of the conductive content, the resistance is instantaneously changed in this region, the content of the added particles is slightly changed, and the resistance value is instantaneously changed from several giga ohms to several giga ohms, it is very difficult to control the resistance to 6 to 200M Ω.
Disclosure of Invention
The embodiment of the disclosure provides an electrostatic discharge solution, a preparation method thereof and an electrostatic discharge device, which can solve the problem that the existing method for directly adding conductive particles into engineering plastics has unstable resistance control. The technical scheme is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided a method of preparing an electrostatic discharge solution, the method comprising:
(1) Mixing carbon nanofibers and high-conductivity carbon black to obtain multi-component conductive particles;
(2) Adding the multi-component conductive particles and the dispersing agent into absolute ethyl alcohol, stirring, and performing ultrasonic dispersion to obtain a conductive ethyl alcohol solution;
(3) Adding dichloromethane into a three-necked bottle, and then placing the three-necked bottle on a stirring device for stirring;
(4) Adding engineering plastics into the three-mouth bottle, and stirring until the engineering plastics are completely dissolved to obtain a target mixture;
(5) Adding the conductive ethanol solution into the target mixture, stirring, and performing ultrasonic dispersion to obtain an antistatic solution;
wherein the weight parts of the raw materials are as follows: 4-6 parts of multi-component conductive particles, 0.5 part of a dispersing agent, 10 parts of engineering plastics, 30 parts of absolute ethyl alcohol and 70 parts of dichloromethane.
In one embodiment, the ratio of carbon nanofibers to highly conductive carbon black is 2.
In one embodiment, the ratio of anhydrous ethanol to dichloromethane is 3.
In one embodiment, the engineering plastic is a soluble polyimide having a molecular weight of 800 to 1300.
In one embodiment, the dispersant is sodium dodecyl benzene sulfonate.
In one embodiment, the stirring time in the step (2) and the step (5) is 5-20 min, and the ultrasonic dispersion time is 15-120 min.
In one embodiment, the rotation speed of the stirring device in the step (3) is 500-1500 rpm; in the step (4), the rotating speed of the stirring device is 500-1500 rpm, and the stirring time is 1-3 h.
According to a second aspect of embodiments of the present disclosure, there is provided an electrostatic discharge solution prepared by the method of preparing an electrostatic discharge solution described in the first aspect and any one of the embodiments of the first aspect.
According to a third aspect of the embodiments of the present disclosure, there is provided an electrostatic discharge device including: engineering plastic with prefabricated structure, and the surface of the engineering plastic is coated with the electrostatic discharge solution described in the second aspect.
In one embodiment, the resistance of the electrostatic discharge device is 0.1 to 1M Ω at 6 parts of the multi-component conductive particles; when the multi-component conductive particles are 5.5 parts, the resistance of the electrostatic discharge device is 3-20 MOmega; when the multi-component conductive particles are 5 parts, the resistance of the electrostatic discharge device is 10-120 MOmega; when the multi-component conductive particles are 4.5 parts, the resistance of the electrostatic discharge device is 100-220 MOmega; when the multi-component conductive particles are 4 parts, the resistance of the electrostatic discharge device is 200-300M omega.
The electrostatic discharge solution provided by the disclosure comprises multi-component conductive particles, a dispersing agent, engineering plastics and a fast volatile solvent, wherein the multi-component conductive particles comprise carbon nanofibers and high-conductivity carbon black, a stable conductive range is finally obtained by utilizing the conductivity difference and the structure size difference of the carbon nanofibers and the high-conductivity carbon black through a proper mixing ratio, and meanwhile, the multi-component conductive particles are dispersed in the solution and are uniformly dispersed by adding the dispersing agent; in addition, in order to increase the binding force of the solution on the engineering material, a proper solvent and a soluble engineering plastic are selected, the soluble engineering plastic is fully dissolved in the solvent, so that the conductive particles can be firmly adhered to the surface of the material during later coating, the resistance of a final product can be stabilized within 6-200M omega, the smooth release of static electricity on the surface of an airplane is ensured, and the communication is hardly disturbed by discharge noise. In addition, the preparation method of the electrostatic discharge solution for the surface of the airplane, which is provided by the disclosure, is simple to operate, strong in binding force, low in boiling point of a fast volatile solvent (namely absolute ethyl alcohol and dichloromethane), easy to volatilize, rapid and simple in process and short in drying time; all the materials are environment-friendly materials, so that the environment-friendly material is environment-friendly and pollution-free; and all the materials are conventional industrial products, are low in price and cost and have good technological properties.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart of a method for preparing an electrostatic discharge solution according to an embodiment of the disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the disclosure, as detailed in the appended claims.
The embodiment of the disclosure provides a preparation method of an electrostatic discharge solution, which comprises the following steps:
(1) And mixing the carbon nanofibers and the high-conductivity carbon black to obtain the multi-component conductive particles.
(2) And adding the multi-component conductive particles and the dispersing agent into absolute ethyl alcohol, stirring, and performing ultrasonic dispersion to obtain a conductive ethyl alcohol solution.
(3) Dichloromethane is added into the three-mouth bottle and then placed on a stirring device for stirring.
(4) And adding engineering plastics into the three-mouth bottle, and stirring until the engineering plastics are completely dissolved to obtain a target mixture.
(5) And adding the conductive ethanol solution into the target mixture, stirring, and performing ultrasonic dispersion to obtain the electrostatic discharge solution.
Wherein the weight parts of the raw materials described in the steps (1) to (5) are as follows: 4-6 parts of multi-component conductive particles, 0.5 part of a dispersing agent, 10 parts of engineering plastics, 30 parts of absolute ethyl alcohol and 70 parts of dichloromethane.
In the disclosed embodiment, the multi-component conductive particles are a mixture of carbon nanofibers and highly conductive carbon black, wherein the ratio of carbon nanofibers to highly conductive carbon black is 2.
In the disclosed embodiment, the dispersant is sodium dodecylbenzene sulfonate; the engineering plastic is soluble polyimide, and the molecular weight of the soluble polyimide is 800-1300; wherein, the mixture of absolute ethyl alcohol and dichloromethane is a fast volatile solvent, and the proportion of the absolute ethyl alcohol and the dichloromethane is 3.
In the embodiment of the disclosure, the stirring time in the step (2) and the step (5) is 5-20 min, and the ultrasonic dispersion time is 15-120 min.
In the embodiment of the disclosure, the rotation speed of the stirring device in the step (3) is 500-1500 rpm; in the step (4), the rotating speed of the stirring device is 500-1500 rpm, and the stirring time is 1-3 h.
The above-mentioned raw materials are precisely weighed. Wherein the weighing precision of the carbon nano-fiber, the high-conductivity carbon black and the engineering plastic is controlled to be 0.001g; the weighing accuracy of the dispersant, absolute ethanol and dichloromethane was controlled to 0.1g.
In the following, the method for preparing an electrostatic discharge solution for aircraft surfaces is illustrated, according to the above description, with reference to the diagram of fig. 1:
1. accurately weighing a proper amount of carbon nanofibers and high-conductivity carbon black according to the proportion of the carbon nanofibers to the high-conductivity carbon black 2 by using an electronic balance, and mixing to obtain the multi-component conductive particles, wherein the weight precision requirement of the carbon nanofibers and the high-conductivity carbon black is controlled to be 0.001g.
2. And respectively weighing appropriate amount of sodium dodecyl benzene sulfonate and absolute ethyl alcohol by using an electronic balance, wherein the weight precision of the sodium dodecyl benzene sulfonate and the absolute ethyl alcohol is controlled to be 0.1g.
3. Adding the multi-component conductive particles and sodium dodecyl benzene sulfonate into absolute ethyl alcohol, primarily stirring for 5 minutes, and then carrying out ultrasonic dispersion for 15 minutes to uniformly disperse the conductive particles in the absolute ethyl alcohol to obtain a conductive ethanol solution.
4. And weighing appropriate amounts of polyimide and dichloromethane by using an electronic balance, wherein the weight precision of the polyimide is controlled to be 0.001g, and the weight precision of the dichloromethane is controlled to be 0.1g.
5. Adding dichloromethane into a three-mouth bottle, then placing the three-mouth bottle on a stirring device, controlling the rotation speed of the stirring device to be 500 r/min for stirring, then slowly adding polyimide into the three-mouth bottle, after the polyimide is added, increasing the rotation speed of the stirring device to be 1200 r/min, and stirring for 20min.
6. And after the polyimide is completely dissolved, adding a conductive ethanol solution into the three-necked bottle, primarily stirring for 5 minutes, and ultrasonically dispersing for 15 minutes to uniformly disperse conductive particles in the solution to finally obtain the electrostatic discharge solution for the surface of the airplane.
The present disclosure also provides an electrostatic discharge solution prepared by the method for preparing the electrostatic discharge solution corresponding to fig. 1.
The present disclosure also provides an electrostatic discharge device, including: and (3) engineering plastics with a prefabricated structure, wherein the surface of the engineering plastics with the prefabricated structure is coated with the electrostatic discharge solution.
Because the prepared electrostatic discharge solution is different due to different parts of the multi-component conductive particles, when the parts of the multi-component conductive particles are 6, the resistance of the electrostatic discharge device is 0.1-1 MOmega; when the multi-component conductive particles are 5.5 parts, the resistance of the electrostatic discharge device is 3-20 MOmega; when the multi-component conductive particles are 5 parts, the resistance of the electrostatic discharge device is 10-120 MOmega; when the multi-component conductive particles are 4.5 parts, the resistance of the electrostatic discharge device is 100-220 MOmega; when the multi-component conductive particles are 4 parts, the resistance of the electrostatic discharge device is 200-300M omega.
The electrostatic discharge solution provided by the disclosure comprises multi-component conductive particles, a dispersing agent, engineering plastics and a fast volatile solvent, wherein the multi-component conductive particles comprise carbon nanofibers and high-conductivity carbon black, a stable conductive range is finally obtained by utilizing the conductivity difference and the structure size difference of the carbon nanofibers and the high-conductivity carbon black through a proper mixing ratio, and meanwhile, the multi-component conductive particles are dispersed in the solution and are uniformly dispersed by adding the dispersing agent; in addition, in order to increase the binding force of the solution on the engineering material, a proper solvent and soluble engineering plastic are selected, the soluble engineering plastic is fully dissolved in the solvent, the conductive particles can be firmly adhered to the surface of the material during later coating, the resistance of a final product can be stabilized within 6-200M omega, the smooth release of static electricity on the surface of an airplane is ensured, and the communication is hardly disturbed by discharge noise. In addition, the fast volatile solvent (namely absolute ethyl alcohol and dichloromethane) has low boiling point and is easy to volatilize, and the process is fast and simple; all the materials are environment-friendly materials, so that the environment-friendly material is environment-friendly and pollution-free; and all the materials are conventional industrial products, so that the price is low and the cost is low.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A method of preparing an electrostatic discharge solution, the method comprising:
(1) Mixing carbon nanofibers and high-conductivity carbon black to obtain multi-component conductive particles;
(2) Adding the multi-component conductive particles and the dispersing agent into absolute ethyl alcohol, stirring, and performing ultrasonic dispersion to obtain a conductive ethyl alcohol solution;
(3) Adding dichloromethane into a three-necked bottle, and then placing the three-necked bottle on a stirring device for stirring;
(4) Adding engineering plastics into the three-mouth bottle, and stirring until the engineering plastics are completely dissolved to obtain a target mixture;
(5) Adding the conductive ethanol solution into the target mixture, stirring, and performing ultrasonic dispersion to obtain an antistatic solution;
wherein the weight parts of the raw materials are as follows: 4-6 parts of multi-component conductive particles, 0.5 part of a dispersing agent, 10 parts of engineering plastics, 30 parts of absolute ethyl alcohol and 70 parts of dichloromethane.
2. The method according to claim 1, characterized in that the ratio of the carbon nanofibres and the highly conductive carbon black is 2.
3. The process according to claim 1, wherein the ratio of the absolute ethanol to the dichloromethane is 3.
4. The method of claim 1, wherein the engineering plastic is a soluble polyimide having a molecular weight of 800 to 1300.
5. The method of claim 1, wherein the dispersant is sodium dodecyl benzene sulfonate.
6. The method of claim 1, wherein the stirring time in step (2) and step (5) is 5-20 min, and the ultrasonic dispersion time is 15-120 min.
7. The method according to claim 1, wherein the rotation speed of the stirring device in the step (3) is 500 to 1500 rpm; in the step (4), the rotating speed of the stirring device is 500-1500 rpm, and the stirring time is 1-3 h.
8. An electrostatic discharge solution obtained by the production method according to any one of claims 1 to 7.
9. An electrostatic discharge device, comprising: an engineering plastic of a prefabricated structure, the surface of which is coated with the electrostatic discharge solution of claim 8.
10. The electrostatic discharge device of claim 9,
when the multi-component conductive particles are 6 parts, the resistance of the electrostatic discharge device is 0.1-1 MOmega; when the multi-component conductive particles are 5.5 parts, the resistance of the electrostatic discharge device is 3-20 MOmega; when the multi-component conductive particles are 5 parts, the resistance of the electrostatic discharge device is 10-120 MOmega; when the multi-component conductive particles are 4.5 parts, the resistance of the electrostatic discharge device is 100-220 MOmega; when the multi-component conductive particles are 4 parts, the resistance of the electrostatic discharge device is 200-300M omega.
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| CN202011455658.3A CN115368769A (en) | 2020-12-10 | 2020-12-10 | Electrostatic discharge solution, preparation method thereof and electrostatic discharge device |
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| CN202011455658.3A CN115368769A (en) | 2020-12-10 | 2020-12-10 | Electrostatic discharge solution, preparation method thereof and electrostatic discharge device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06122785A (en) * | 1991-12-10 | 1994-05-06 | Nikkiso Co Ltd | Conductive composition, conductive coating material, conductive ink, and electric circuit board |
| US5431844A (en) * | 1993-06-11 | 1995-07-11 | Nishiwaki; Atushi | Method of manufacturing a conductive resin composition |
| US20030100653A1 (en) * | 2001-10-25 | 2003-05-29 | Chacko Antony P. | Resistive nanocomposite compositions |
| WO2004080659A2 (en) * | 2003-03-06 | 2004-09-23 | 3M Innovative Properties Company | Antistatic composition and part holder |
| JP2008138039A (en) * | 2006-11-30 | 2008-06-19 | Mitsubishi Materials Corp | Carbon nanofiber-dispersed polyimide varnish and coating film thereof |
| US20100239838A1 (en) * | 2006-04-27 | 2010-09-23 | Takenaka Seisakusho Co., Ltd. | Coating Composition and Coated Article |
-
2020
- 2020-12-10 CN CN202011455658.3A patent/CN115368769A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06122785A (en) * | 1991-12-10 | 1994-05-06 | Nikkiso Co Ltd | Conductive composition, conductive coating material, conductive ink, and electric circuit board |
| US5431844A (en) * | 1993-06-11 | 1995-07-11 | Nishiwaki; Atushi | Method of manufacturing a conductive resin composition |
| US20030100653A1 (en) * | 2001-10-25 | 2003-05-29 | Chacko Antony P. | Resistive nanocomposite compositions |
| WO2004080659A2 (en) * | 2003-03-06 | 2004-09-23 | 3M Innovative Properties Company | Antistatic composition and part holder |
| US20100239838A1 (en) * | 2006-04-27 | 2010-09-23 | Takenaka Seisakusho Co., Ltd. | Coating Composition and Coated Article |
| JP2008138039A (en) * | 2006-11-30 | 2008-06-19 | Mitsubishi Materials Corp | Carbon nanofiber-dispersed polyimide varnish and coating film thereof |
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