CN106433429B - Electrostatic paint capable of being sprayed into thick film and construction method thereof - Google Patents
Electrostatic paint capable of being sprayed into thick film and construction method thereof Download PDFInfo
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- CN106433429B CN106433429B CN201610669008.6A CN201610669008A CN106433429B CN 106433429 B CN106433429 B CN 106433429B CN 201610669008 A CN201610669008 A CN 201610669008A CN 106433429 B CN106433429 B CN 106433429B
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/625—Polymers of alpha-beta ethylenically unsaturated carboxylic acids; hydrolyzed polymers of esters of these acids
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Robotics (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an electrostatic coating capable of being sprayed into a thick film, which is prepared by mixing a component A and a component B according to the weight ratio of 3-5: 10, adding a diluent and adjusting the spraying viscosity to a certain value; the component A consists of a first resin and an ester solvent or a ketone solvent; the component B comprises second resin, aromatic hydrocarbon, pigments of various colors, extender pigment and a plurality of assistants; the diluent consists of hydrocarbon, ester, ketone solvent and ES-80 electrostatic assistant. The invention also discloses a construction method of the electrostatic coating which can be sprayed into a thick film, namely, a robot is used for spraying the electrostatic coating on the surface of an object to be coated. The electrostatic coating provided by the invention can be prepared into various colors, has the characteristics of high solid content, low viscosity and small smell, and the thickness of one-time coating can reach more than 40 mu m when a robot is used for coating, so that the utilization rate of the electrostatic coating is improved, the labor intensity is reduced, and the energy is saved.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an electrostatic coating capable of being sprayed into a thick film and a construction method for spraying the electrostatic coating by using a robot.
Background
The electrostatic coating is used for the decoration and protection of light metal, steel surface, plastic surface and solvent-resistant surface of airplanes, trains, automobiles, ships, bridges, iron towers, outdoor electrical equipment, public facilities, sculptures and the like by spraying. The existing electrostatic coating has the disadvantages of large smell, small thickness (dry film) of a one-time spraying coating film, low fullness of the coating film, poor adhesive force and no three-proofing performance, and the application range of the electrostatic coating is severely limited.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the special electrostatic coating for spraying by the robot, the thickness of one-time spraying can reach more than 40 mu m, the electrostatic coating is environment-friendly, and a paint film formed by spraying the electrostatic coating on the surface of a coated object is plump, tough and wear-resistant, strong in adhesive force, excellent in weather resistance, excellent in ultraviolet resistance, free from yellowing, resistant to solvents, resistant to humidity and heat, resistant to salt mist, resistant to mold and resistant to temperature change.
The invention also aims to provide a construction method of the electrostatic coating which can be sprayed into a thick film, the construction method uses a robot to spray the electrostatic coating on the surface of an object to be coated, the labor intensity is reduced, the direct contact of a human body to the coating is avoided, the damage of the electrostatic coating to the human body is reduced, the utilization rate of the electrostatic coating in the spraying process is high, and the uniformity of the sprayed coating and the consistency of the thickness can be ensured.
In order to achieve the aim, the invention provides an electrostatic coating capable of being sprayed into a thick film, which is prepared by mixing a component A and a component B according to the weight ratio of 3-5: 10, and adding a diluent to adjust the spraying viscosity to a certain value;
wherein the component A consists of a first resin and an ester solvent or a ketone solvent; the component B comprises second resin, aromatic hydrocarbon, pigments of various colors, extender pigment and a plurality of assistants; the diluent consists of hydrocarbon, ester, ketone solvent and ES-80 electrostatic auxiliary agent; the first wax is N3390 or N75; the second resin is a hydroxy acrylic resin. For example, the first resin is aliphatic isocyanate or aromatic toluene diisocyanate, and the hydroxyacrylic resin is 515, 516, 962, 8270, or the like.
Preferably, in the electrostatic paint which can be sprayed into a thick film,
in October of each year to April of the next year, the A component comprises the following components in percentage by weight: 50-60% of first resin and 40-50% of ester solvent or ketone solvent; and
in the month of May to September each year, the weight percentage composition of the component A is as follows: 40-50% of first resin and 50-60% of ester solvent or ketone solvent.
Wherein, in the month from October to April of the next year, the component A comprises 50 to 60 percent of first resin and 40 to 50 percent of ester solvent or ketone solvent by weight percent, and the density is 9.00 to 1.10/20 ℃; in the period from May to September every year, the component A consists of 40-50 wt% of first resin and 50-60 wt% of ester solvent or ketone solvent, and the density is 9.00-1.10/20 ℃.
Preferably, in the electrostatic paint capable of being sprayed into a thick film, the multiple auxiliary agents of the component B comprise a BYK-306 leveling agent, an 415 or 466 leveling agent, an ES-80 electrostatic auxiliary agent, 936 antifoaming agent and a DP-150 dispersing agent.
Preferably, in the electrostatic coating capable of being sprayed to form the thick film, the component B is prepared by mixing 20-30% of titanium dioxide, 5-10% of dimethylbenzene, 15-20% of talcum powder, 40-55% of hydroxy acrylic resin, 0.2-0.5% of silicon oil, 0.1-0.6% of BYK-306 flatting agent, 0.1-0.6% of 415 or 466 flatting agent, 1-2% of ES-80 electrostatic auxiliary agent, 0.4-0.8% of antifoaming agent and 0.5-1.0% of DP-150 dispersing agent, and carrying out toning by using pigments of various colors.
The specification of the titanium dioxide is imported from China or America, the specification of the dimethylbenzene is imported from China, the specification of the DP-150 dispersing agent is homemade, the specification of the talcum powder is homemade, the 936 antifoaming agent is imported from Taiwan, the specification of the hydroxyl acrylic resin is imported from China or America, the BYK-306 flatting agent is imported from Germany, the 415 or 466 flatting agent is imported from Taiwan, the ES-80 electrostatic assistant is imported from Germany, and the silicon oil liquid is 1% silicon oil liquid which is homemade.
Preferably, in the electrostatic coating material capable of being sprayed into a thick film, the diluent comprises, by weight, 50% of xylene, 30% of butyl ester, 20% of a ketone solvent and 0.1-0.5% of an ES-80 electrostatic assistant.
Preferably, in the electrostatic paint capable of being sprayed into a thick film, the weight ratio of the component A to the component B is 3.5: 10.
Preferably, in the electrostatic coating capable of being sprayed into a thick film, the spraying viscosity is 15 s-30 s at the spraying temperature of 4-35 ℃.
The invention also provides a construction method of the electrostatic paint which can be sprayed into a thick film, the construction method is to spray the surface of the coated object by using a robot, and the construction method comprises the following steps:
step one, cleaning the surface of an object to be coated;
step two, mixing the component A and the component B according to the weight ratio of 3-5: 10, fully and uniformly stirring, adding a diluent to adjust the spraying viscosity to 15-30 s, filtering by using a 200-mesh filter screen, and standing for a certain time to obtain the electrostatic coating; and
and thirdly, spraying the electrostatic coating to the surface of the cleaned coated object by using a robot at a spraying temperature corresponding to the spraying viscosity, and drying the sprayed coated object after the sprayed coated object is placed at room temperature for a period of time. For example, the spray temperature is 25 ℃.
Preferably, in the construction method of the electrostatic coating capable of being sprayed into a thick film, the standing time in the second step is 10-30 min.
In the construction method, the surface of the coated object needs to be clean, free of rust, greasy dirt, moisture and dust, the component A and the component B need to be used up within 4-6 hours (for example, 4 hours in summer and 6 hours in winter) after being uniformly mixed during spraying so as to prevent solidification, the component A and the component B are diluted by a diluent, alcohols, amines and moisture are strictly prohibited from entering, the spraying construction is not suitable in rainy days, and the constant-temperature and very-wet environment is not influenced. The electrostatic voltage during spraying should be adjusted to 40-60 kilovolts. If the component A is left, the component A must be covered tightly in time to prevent gelation, and all equipment and appliances used in the construction process must be cleaned in time after spraying. And the drying treatment process can be carried out at normal temperature and can also be carried out at low temperature.
The invention at least comprises the following beneficial effects:
1. the electrostatic coating which can be sprayed into a thick film is special for robot spraying, and a coating film formed by the electrostatic coating is plump, tough and wear-resistant, strong in adhesive force, excellent in weather resistance, excellent in ultraviolet resistance, free of yellowing, resistant to solvents, resistant to humidity and heat, resistant to salt mist, resistant to mold and temperature change, small in smell, environment-friendly, and capable of being prepared into electrostatic coatings of various colors.
2. The electrostatic coating which can be sprayed into a thick film is suitable for decorating and protecting the surfaces of light metals and steel and solvent-resistant surfaces of airplanes, automobiles, bridges, ships, iron towers, outdoor electrical equipment, public facilities, sculptures and the like, can also be used for coating ABS plastics with various purposes, is more suitable for steel, aluminum alloy, stainless steel and light metals, and is a thick film coating specially used for electrostatic spraying of robots.
3. The construction method of the electrostatic coating capable of being sprayed into the thick film, disclosed by the invention, has the advantages that the electrostatic coating is sprayed on the surface of an object to be coated by using a robot, the thickness of the electrostatic coating sprayed at one time can reach more than 40 mu m, the utilization rate of the electrostatic coating is improved, the using amount of the coating is only 50 percent of that of manual coating, the labor intensity is reduced, the direct contact between a human body and the electrostatic coating is avoided, the direct damage of the electrostatic coating to the human body is reduced, the construction method is simple, the production cost is reduced, and the energy is saved.
4. The construction method can ensure the uniformity of the coating film and the thickness of the coating film.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The invention provides an electrostatic coating capable of being sprayed into a thick film, which is prepared by mixing a component A and a component B according to the weight ratio of 3-5: 10, adding a diluent to adjust the mixture to a certain viscosity and spraying, wherein the electrostatic coating can be sprayed into a film with a certain thickness on the surface of an object to be coated;
wherein the component A consists of a first resin and an ester solvent or a ketone solvent; the component B comprises second resin, aromatic hydrocarbon, pigments of various colors, extender pigment and a plurality of assistants; the diluent consists of hydrocarbon, ester and ketone solvents and an ES-80 electrostatic auxiliary agent: the first resin is N3390 or N75, and the second resin is hydroxy acrylic resin. For example, the spraying viscosity is 15s to 30s at a spraying temperature of 4 ℃ to 35 ℃.
In one embodiment, in the month of October to April of the following year, the weight percentage of the A component is as follows: 50-60% of first resin and 40-50% of ester solvent or ketone solvent; and
in the month of May to September each year, the weight percentage composition of the component A is as follows: 40-50% of first resin and 50-60% of ester solvent or ketone solvent.
Wherein, in the month from October to April of the next year, the component A comprises 50 to 60 percent of first resin and 40 to 50 percent of ester solvent or ketone solvent by weight percent, and the density is 9.00 to 1.10/20 ℃; in the period from May to September every year, the component A consists of 40-50 wt% of first resin and 50-60 wt% of ester solvent or ketone solvent, and the density is 9.00-1.10/20 ℃.
In one embodiment, the various additives of the second component comprise a BYK-306 leveling agent, a 415 or 466 leveling agent, an ES-80 electrostatic additive, 936 antifoaming agent and a DP-150 dispersing agent.
In one embodiment, the component B is prepared by mixing 20-30% of titanium dioxide, 5-10% of xylene, 15-20% of talcum powder, 40-55% of hydroxy acrylic resin, 0.2-0.5% of silicon oil, 0.1-0.6% of BYK-306 leveling agent, 0.1-0.6% of 415 or 466 leveling agent, 1-2% of ES-80 electrostatic auxiliary agent, 0.4-0.8% of 936 antifoaming agent and 0.5-1.0% of DP-150 dispersing agent, and mixing the components together by using pigments of various colors.
The specification of the titanium dioxide is domestic or imported from America, the dimethylbenzene is domestic, the DP-150 dispersing agent is domestic, the talcum powder is domestic, the 936 antifoaming agent is produced in Taiwan, the hydroxyl acrylic resin is domestic or imported from America, the BYK-306 leveling agent is imported from Germany, the 415 or 466 leveling agent is produced in Taiwan, the ES-80 electrostatic assistant is imported from Germany, and the silicon oil liquid is 1% silicon oil liquid which is domestic. And color mixing is performed using blue, black, yellow, iron red, white paste, or the like. Meanwhile, the solid content of the component B is 60-70%, and the viscosity is 110-140 s/coating-4 ℃; the color mixing color difference of the color plate is not more than 0.3, the resistance value is 5-15M omega/25 ℃, and the density is 1.2/20 ℃.
In one embodiment, the diluent comprises, by weight, 50% of xylene, 30% of butyl ester, 20% of a ketone solvent, and 0.1-0.5% of an ES-80 electrostatic assistant.
In one embodiment, the weight ratio of the A component to the B component is 3.5: 10.
The invention also provides a construction method of the electrostatic paint which can be sprayed into a thick film, the construction method is to spray the surface of the coated object by using a robot, and the construction method comprises the following steps:
step one, cleaning the surface of an object to be coated:
step two, mixing the component A and the component B according to the weight ratio of 3-5: 10, fully and uniformly stirring, adding a diluent to adjust the spraying viscosity to 15-30 s, filtering by using a 200-mesh filter screen, and standing for a certain time, for example, the standing time is 10-30 min to obtain the electrostatic coating; and
and thirdly, spraying the electrostatic coating to the surface of the cleaned coated object by using a robot at a spraying temperature corresponding to the spraying viscosity, and drying the sprayed coated object after the sprayed coated object is placed at room temperature for a period of time. For example, the standing time is 10 to 30 min. For example, the spray temperature is 25 ℃.
In the construction method, the surface of the coated object needs to be clean, free of rust, greasy dirt, moisture and dust, the component A and the component B need to be used up within 4-6 hours (for example, 4 hours in summer and 6 hours in winter) after being uniformly mixed during spraying so as to prevent solidification, the component A and the component B are diluted by a diluent, alcohols, amines and moisture are strictly prohibited from entering, the spraying construction is not suitable in rainy days, and the constant temperature and humidity environment is not influenced. The electrostatic voltage during spraying should be adjusted to 40-60 kilovolts. If the component A is left, the component A must be covered tightly in time to prevent gelation, and all equipment and appliances used in the construction process must be cleaned in time after spraying.
In order to investigate various indexes of the electrostatic coating according to the present invention, some experiments were performed, and the performance tests are shown in table one:
TABLE-Performance index of Electrostatic coatings
Wherein:
note (1): 1.2, 3 items only detect the component B; 13. 14, 15, 16 and 17 are factory guarantee items;
the special diluent resistant sample plate should be dried for 1 hour (70-80 ℃) or tested at 48 ℃ of 25 ℃ and must be tested after being placed for seven days when the temperature is lower than 25 ℃.
Note (2): the resistivity detection method comprises the following steps: the 1000 megger is adopted, the electrode is inserted into the test base paint, the electrode tip is immersed but does not touch the inner wall of the container, and then the handle is shaken at a constant speed until the reading of the megger is read.
Note (3): the U.S. Standard ASTUG154 "operation of ultraviolet fluorescent apparatus for exposure of non-metallic materials" was used after plate making as specified in GB 1765.
Note (4): the standard plate is carried out according to the regulation of GB9271, after a paint film is prepared, the standard plate is placed at the constant temperature of 50 +/-2 ℃ for 240 hours, taken out and placed at the room temperature for 0.5 hour, placed in a low-temperature box at the temperature of minus 40 +/-2 ℃ for 24 hours, taken out and placed at the room temperature for 0.5 hour, and then a grid cutting tester with the cutting interval of 2mm is used for a grid cutting experiment.
The electrostatic coating is suitable for a robot coating line, is in a domestic leading position, has a plurality of performances exceeding foreign like products, adopts resin with high solid content and low viscosity as a film forming material, adopts environment-friendly and low-toxicity materials as pigments, ensures high market positioning in environmental protection and quality when the product is designed, belongs to environment-friendly electrostatic coating, has no three-waste discharge, does not produce waste water in the production process, and has no harmful factors in the production process.
The invention utilizes the electrostatic coating with various colors specially used for coating the robot, can be coated into a thicker coating film so as to meet the market demand of the electrostatic coating, creates larger economic benefit, is matched with projects such as Tibet project, three gorges-Shanghai project, two-crossing project, Xiai line and the like, is widely applied to national electric power key projects, and has no quality problem.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (4)
1. The electrostatic coating capable of being sprayed into a thick film is characterized by comprising a component A and a component B in a weight ratio of 3-5: 10, and adding a diluent to adjust to a certain spraying viscosity;
wherein the component A consists of a first resin and an ester solvent or a ketone solvent; the component B comprises second resin, aromatic hydrocarbon, pigments of various colors, extender pigment and a plurality of assistants; the diluent consists of hydrocarbon, ester, ketone solvent and ES-80 electrostatic auxiliary agent; the first resin is N3390 or N75, and the second resin is hydroxy acrylic resin; the component B is prepared by mixing 20-30% of titanium dioxide, 5-10% of dimethylbenzene, 15-20% of talcum powder, 40-55% of hydroxy acrylic resin, 0.2-0.5% of silicon oil, 0.1-0.6% of BYK-306 flatting agent, 0.1-0.6% of 415 or 466 flatting agent, 1-2% of ES-80 electrostatic auxiliary agent, 0.4-0.8% of 936 antifoaming agent and 0.5-1.0% of DP-150 dispersing agent, and carrying out color matching by using pigments of various colors; in October of each year to April of the next year, the A component comprises the following components in percentage by weight: 50-60% of first resin and 40-50% of ester solvent or ketone solvent; and in the month of May to September each year, the weight percentage composition of the component A is as follows: 40-50% of first resin and 50-60% of ester solvent or ketone solvent, wherein the spraying viscosity is 15-30 s at the spraying temperature of 4-35 ℃.
2. The electrostatic coating sprayable as a thick film of claim 1 wherein the weight ratio of the a component to the b component is 3.5: 10.
3. A method of applying an electrostatic coating material sprayable to form a thick film according to claim 1, by applying the electrostatic coating material to a surface of an object to be coated by a robot, comprising the steps of:
step one, cleaning the surface of an object to be coated;
step two, mixing the component A and the component B according to a weight ratio of 3-5: 10, fully and uniformly stirring, adding a diluent to adjust the spraying viscosity to 15-30 s, filtering by using a 200-mesh filter screen, and standing for a certain time to obtain the electrostatic coating; and
and thirdly, spraying the electrostatic coating to the surface of the cleaned coated object by using a robot at a spraying temperature corresponding to the spraying viscosity, and drying the sprayed coated object after the sprayed coated object is placed at room temperature for a period of time.
4. The method of claim 3, wherein the standing time in the second step is 10-30 min.
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| CN201610669008.6A CN106433429B (en) | 2016-08-16 | 2016-08-16 | Electrostatic paint capable of being sprayed into thick film and construction method thereof |
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| CN201610669008.6A CN106433429B (en) | 2016-08-16 | 2016-08-16 | Electrostatic paint capable of being sprayed into thick film and construction method thereof |
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| CN112876969A (en) * | 2021-03-02 | 2021-06-01 | 西安万祥新材料有限公司 | Ultra-thick film electrostatic coating |
| CN113000334A (en) * | 2021-03-02 | 2021-06-22 | 西安万祥新材料有限公司 | Spraying process of ultra-thick film electrostatic coating |
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| JP2004043790A (en) * | 2002-05-22 | 2004-02-12 | Kyoeisha Chem Co Ltd | Antistatic coating agent composition |
| CN101260277A (en) * | 2008-04-22 | 2008-09-10 | 上海阳森精细化工有限公司 | Acrylic acid polyurethane antistatic paint and preparation method thereof |
| CN102061123A (en) * | 2009-11-18 | 2011-05-18 | 上海富臣化工有限公司 | Polyurethane matte white finish coat for non-benzene and odor-free furniture |
| JP2013091751A (en) * | 2011-10-27 | 2013-05-16 | Nippon Kasei Chem Co Ltd | Antistatic hard coat resin composition, and film having antistatic hard coat layer |
| CN103788850A (en) * | 2014-01-08 | 2014-05-14 | 王斯新 | Aqueous conductive double-component polyurethane rubber roller coating and preparation method thereof |
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| CN106433429A (en) | 2017-02-22 |
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