CN106634244A - Chlorosulfonated polyethylene anti-corrosion coating with nano ferrite graphene composite material - Google Patents

Chlorosulfonated polyethylene anti-corrosion coating with nano ferrite graphene composite material Download PDF

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CN106634244A
CN106634244A CN201611010841.6A CN201611010841A CN106634244A CN 106634244 A CN106634244 A CN 106634244A CN 201611010841 A CN201611010841 A CN 201611010841A CN 106634244 A CN106634244 A CN 106634244A
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chlorosulfonated polyethylene
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deionized water
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闻承岳
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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
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/26—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
    • C09D123/32—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur
    • C09D123/34—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur by chlorosulfonation
    • 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
    • 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
    • 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
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • C09D7/65—Additives macromolecular
    • 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
    • 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
    • C08K2201/01—Magnetic 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a chlorosulfonated polyethylene anti-corrosion coating with a nano ferrite graphene composite material. The chlorosulfonated polyethylene anti-corrosion coating is prepared from the following raw materials in parts by weight: 60-65 parts of chlorosulfonated polyethylene latex, 35-40 parts of neoprene latex, 7-8 parts of polyoxyethylene aliphatic alcohol ether, a proper amount of deionized water, 2.5-3 parts of a silane coupling agent KH560, 2-3 parts of lanthanum oxide, 1.5-2 parts of cerium sesquioxide, a proper amount of a 65wt% nitric acid solution, a 50wt% ammonium bicarbonate solution, 10-12 parts of rutile titanium dioxide, 1-1.5 parts of dipropylene glycol monomethyl ether, 2-2.5 parts of simethicone, 2.7-3 parts of ferric trichloride hexahydrate, 1.2-1.3 parts of cobalt chloride hexahydrate, 4-5 parts of graphene oxide, 0.1-0.12 part of sodium thiosulfate, a proper amount of absolute ethyl alcohol and a proper amount of a 10wt% sodium hydroxide solution. The chlorosulfonated polyethylene anti-corrosion coating disclosed by the invention has good atmosphere aging resistance, corrosion resistance and electromagnetic shielding property.

Description

A kind of chlorosulfonated polyethylene anti-corrosion of addition nano oxygen iron body graphene composite material Coating
Technical field
The present invention relates to technical field, more particularly to a kind of chlorosulfonation of addition nano oxygen iron body graphene composite material is gathered Ethene anticorrosive paint.
Background technology
Corrosion and corrosion protection is the industry distinct issues such as chemical industry, light industry, metallurgy, electric power, weaving, printing and dyeing, ship processed, building. Cause damage because of corrosion every year huge, anticorrosive work is particularly important, chloro-sulfonated polyethylene anti-corrosive coating, with excellent Good rotproofness, particularly splendid pliability, is used widely, once once deep by people in the industry along with inexpensive The favor of scholar.With developing rapidly for modern industry level, propose that higher, tightened up to bear environment rotten to anticorrosive paint The ability of erosion.The antiseptic property of the chlorosulfonated polythylene coatings of conventional formulation production is typically extremely difficult to require.Conventional chlorine sulphur It is mostly solvent type to change polyethylene anti-corrosion coating, not only causes the waste of a large amount of solvents, and solvent for use is poisonous, Yi Hui Send out, to environment, do not meet environmental requirement, and water paint has technique cleaning, advanced technology, low emission, low energy Consumption, safe and harmless advantage, therefore, research hydrophilic chlorosulfonated polyethylene anticorrosive coating has great social benefit and economy Benefit.
《The development of water chlorosulfonated polyethylene anti-corrosion coatings》With chlorosulfonated polyethylene latex and water-base epoxy tree in one text Fat is compounded, and by evaporating kettle removed under reduced pressure solvent water-based anticorrosive paint is made, made by coating property is excellent, strong adaptability, apply Nonpoisonous and tasteless during brush, nonflammable, production process is simple, easy construction.Due to the addition of aqueous epoxy resins, painting is improve Corrosion Protection is reduced while the adhesive force of material, it is impossible to be effectively improved the combination property of chlorosulfonated polyethylene, Gu need Hydrophilic chlorosulfonated polyethylene coating is further modified, to meet the demand of industry development.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided one kind addition nano oxygen iron body Graphene is combined The chloro-sulfonated polyethylene anti-corrosive coating of material.
The present invention is achieved by the following technical solutions：
A kind of chloro-sulfonated polyethylene anti-corrosive coating of addition nano oxygen iron body graphene composite material, by the raw material of following weight portion Make：Chlorosulfonated polyethylene latex 60-65, polychloroprene latex 35-40, polyoxyethylene aliphatic alcohol ether 7-8, appropriate deionized water, silicon Alkane coupling agent KH5602.5-3, lanthana 2-3, cerium sesquioxide 1.5-2, concentration for 65wt% salpeter solution is appropriate, concentration is The ammonium bicarbonate soln of 50wt%, rutile type titanium white 10-12, dipropylene glycol methyl ether 1-1.5, dimethicone 2-2.5, six Iron chloride hexahydrate 2.7-3, CoCL2 6H2O 1.2-1.3, graphene oxide 4-5, sodium thiosulfate 0.1-0.12, absolute ethyl alcohol In right amount, concentration is appropriate for the sodium hydroxide solution of 10wt%.
A kind of chlorosulfonated polyethylene anti-corrosion of addition nano oxygen iron body graphene composite material according to claims 1 Coating, is prepared from by following concrete grammar：
（1）Chlorosulfonated polyethylene latex is mixed with polychloroprene latex, in input emulsifier, is subsequently adding, polyoxyethylene fatty alcohol The deionized water of ether and total amount equivalent, stirs to form primary emulsion with the speed of 200-300 turn/part, then is sent to rotation In evaporimeter, gone out with 70-80 rev/min of speed rotary evaporation in the case where vacuum is 0.01-0.03MPa, temperature 65-70 DEG C organic Solvent, obtains mixing latex；
（2）Lanthana, cerium sesquioxide are mixed, in adding 2-2.5 times of concentration measured for the salpeter solution of 65wt%, stir to It is completely dissolved, be subsequently adding carries out precipitation reaction with the concentration of nitric acid equivalent for the ammonium bicarbonate soln of 50wt%, it is heavy by what is obtained Starch is filtered, and is put in vacuum drying chamber after deionized water cleaning with 60-70 DEG C of drying, and calcination 60-90 minutes, obtain after taking-up To modified RE；
（3）Graphene oxide is scattered in it is stand-by in the 9-10 times of deionized water measured, by Iron(III) chloride hexahydrate and six water chlorinations Cobalt mixes, and is dissolved in the 5-6 times of deionized water measured and forms solution, then mixes with above-mentioned graphene oxide dispersion, ultrasound point It is 11 addition sodium thiosulfate to adjust pH with the sodium hydroxide solution that concentration is 10wt% after scattered 30-40 minutes, and material is added to In ptfe autoclave, sealing is simultaneously being warming up to 150-160 DEG C of stirring reaction 5-6 hour, and reaction terminates rear centrifugation, 4-5 hours are dried with 70-80 DEG C by being put in baking oven after the filter cake absolute ethanol washing that obtains 1-2 time, are finally fully ground；
（4）Silane coupler KH560 is dissolved in the 4-5 times of deionized water measured, step is subsequently adding（2）The product for obtaining, surpasses Sound adds step after dispersion 30-40 minutes（1）、（3）The product for obtaining, after dispersion 10-15 minutes remaining residual components is added, and is used Mechanical agitation 2-3 hour, is finally putting on grinder and grinds, and crosses 400 mesh sieves and obtains final product.
It is an advantage of the invention that：The present invention adopts water prescription, and safety non-toxic is environmentally friendly, first with chlorosulfonation Polyethylene latex carries out composite modified with polychloroprene latex, improves fire-retardant, the ageing-resistant performance of coating；By silane coupler KH560 is added in coating with modified RE compounding, excellent with coating system compatibility performance, and the numerous empty rail of rare earth ion Road can catch unstable free radical, cause it to lose activity, and be conducive to stabilization, improve corrosion resistance and resistance to ag(e)ing, Simultaneously rare earth ion can also form coordinate bond with the hydroxyl in coating molecule, methylol isopolarity group, make coating produce coordination Polymerization drying, so as to improve the quick-drying of paint film.
The present invention is reacted by spinel structure Nanometer Cobalt Ferrite Oxide uniform load on graphene sheet layer by a series of, It is added in the preparation of coating and is readily formed conductive network, while the excellent electric conductivity of Graphene and nanostructured is ferritic Magnetic combines, and coating can be made to be provided simultaneously with dielectric loss and magnetic loss, the impedance matching of electromagnetic absorption is realized, with certain electricity Magnetic Shielding Effectiveness；Coating paint film made by the present invention is smooth, pliability preferable, and with good resistance to weathering, anti-corrosion Property, electromagnetic wave shielding, and technological operation is simple, and extensively, low cost, application is convenient for raw material, and practicality is wide, can be used for military setting The anti-corrosions such as standby, Medical Devices, shielding.
Specific embodiment
A kind of chloro-sulfonated polyethylene anti-corrosive coating of addition nano oxygen iron body graphene composite material, by following weight portion （Kilogram）Raw material make：Chlorosulfonated polyethylene latex 60, polychloroprene latex 35, polyoxyethylene aliphatic alcohol ether 7, deionized water are fitted Amount, the salpeter solution that silane coupler KH5602.5, lanthana 2, cerium sesquioxide 1.5, concentration are 65wt% are appropriate, concentration is The ammonium bicarbonate soln of 50wt%, rutile type titanium white 10, dipropylene glycol methyl ether 1, dimethicone 2, Iron(III) chloride hexahydrate 2.7th, CoCL2 6H2O 1.2, graphene oxide 4, sodium thiosulfate 0.1, appropriate absolute ethyl alcohol, concentration are the hydroxide of 10wt% Appropriate sodium solution.
A kind of chlorosulfonated polyethylene anti-corrosion of addition nano oxygen iron body graphene composite material according to claims 1 Coating, is prepared from by following concrete grammar：
（1）Chlorosulfonated polyethylene latex is mixed with polychloroprene latex, in input emulsifier, is subsequently adding, polyoxyethylene fatty alcohol The deionized water of ether and total amount equivalent, stirs to form primary emulsion with the speed of 200 turns/part, then is sent to rotary evaporation In device, organic solvent is gone out with 70 revs/min of speed rotary evaporation in the case where vacuum is 0.01MPa, 65 DEG C of temperature, obtain epoxy glue Breast；
（2）Lanthana, cerium sesquioxide are mixed, in adding the concentration of 2 times of amounts for the salpeter solution of 65wt%, is stirred to complete Dissolving, be subsequently adding carries out precipitation reaction with the concentration of nitric acid equivalent for the ammonium bicarbonate soln of 50wt%, by the sediment for obtaining Filter, be put in vacuum drying chamber after deionized water cleaning with 60 DEG C of drying, calcination 60 minutes after taking-up, obtain modified dilute Soil；
（3）By graphene oxide be scattered in 9 times amount deionized waters in it is stand-by, Iron(III) chloride hexahydrate is mixed with CoCL2 6H2O Close, be dissolved in the deionized water of 5 times of amounts and form solution, then mix with above-mentioned graphene oxide dispersion, 30 points of ultrasonic disperse It is 11 addition sodium thiosulfate that Zhong Houyong concentration adjusts pH for the sodium hydroxide solution of 10wt%, and material is added to into polytetrafluoroethyl-ne In alkene reaction kettle, sealing is simultaneously being warming up to 150 DEG C of stirring reactions 5 hours, and reaction terminates rear centrifugation, and the filter cake for obtaining is used It is put in baking oven after absolute ethanol washing 1 time with 70 DEG C of dryings 4 hours, is finally fully ground；
（4）Silane coupler KH560 is dissolved in the deionized water of 4 times of amounts, step is subsequently adding（2）The product for obtaining, ultrasound Dispersion adds step after 30 minutes（1）、（3）The product for obtaining, dispersion adds remaining residual components after 10 minutes, uses mechanical agitation 2 hours, it is finally putting on grinder and grinds, crosses 400 mesh sieves and obtain final product.
The coating property of the present embodiment is tested, fineness is less than 50 μm, and adhesive force reaches 1 grade, acid resistance (10% sulphur Acid) alkali resistance (10% NaOH) salt water resistance 7 days is non-foaming, do not fall off, non-corrosive.

Claims (2)

1. it is a kind of addition nano oxygen iron body graphene composite material chloro-sulfonated polyethylene anti-corrosive coating, it is characterised in that by under The raw material of row weight portion is made：Chlorosulfonated polyethylene latex 60-65, polychloroprene latex 35-40, polyoxyethylene aliphatic alcohol ether 7-8, go Ion appropriate amount of water, silane coupler KH5602.5-3, lanthana 2-3, cerium sesquioxide 1.5-2, concentration are molten for the nitric acid of 65wt% Appropriate liquid, concentration are ammonium bicarbonate soln, rutile type titanium white 10-12, dipropylene glycol methyl ether 1-1.5, the dimethyl of 50wt% Silicone oil 2-2.5, Iron(III) chloride hexahydrate 2.7-3, CoCL2 6H2O 1.2-1.3, graphene oxide 4-5, sodium thiosulfate 0.1- 0.12nd, appropriate absolute ethyl alcohol, concentration are appropriate for the sodium hydroxide solution of 10wt%.
2. a kind of chlorosulfonated polyethylene anti-corrosion of addition nano oxygen iron body graphene composite material is applied according to claims 1 Material, it is characterised in that be prepared from by following concrete grammar：
（1）Chlorosulfonated polyethylene latex is mixed with polychloroprene latex, in input emulsifier, is subsequently adding, polyoxyethylene fatty alcohol The deionized water of ether and total amount equivalent, stirs to form primary emulsion with the speed of 200-300 turn/part, then is sent to rotation In evaporimeter, gone out with 70-80 rev/min of speed rotary evaporation in the case where vacuum is 0.01-0.03MPa, temperature 65-70 DEG C organic Solvent, obtains mixing latex；
（2）Lanthana, cerium sesquioxide are mixed, in adding 2-2.5 times of concentration measured for the salpeter solution of 65wt%, stir to It is completely dissolved, be subsequently adding carries out precipitation reaction with the concentration of nitric acid equivalent for the ammonium bicarbonate soln of 50wt%, it is heavy by what is obtained Starch is filtered, and is put in vacuum drying chamber after deionized water cleaning with 60-70 DEG C of drying, and calcination 60-90 minutes, obtain after taking-up To modified RE；
（3）Graphene oxide is scattered in it is stand-by in the 9-10 times of deionized water measured, by Iron(III) chloride hexahydrate and six water chlorinations Cobalt mixes, and is dissolved in the 5-6 times of deionized water measured and forms solution, then mixes with above-mentioned graphene oxide dispersion, ultrasound point It is 11 addition sodium thiosulfate to adjust pH with the sodium hydroxide solution that concentration is 10wt% after scattered 30-40 minutes, and material is added to In ptfe autoclave, sealing is simultaneously being warming up to 150-160 DEG C of stirring reaction 5-6 hour, and reaction terminates rear centrifugation, 4-5 hours are dried with 70-80 DEG C by being put in baking oven after the filter cake absolute ethanol washing that obtains 1-2 time, are finally fully ground；
（4）Silane coupler KH560 is dissolved in the 4-5 times of deionized water measured, step is subsequently adding（2）The product for obtaining, surpasses Sound adds step after dispersion 30-40 minutes（1）、（3）The product for obtaining, after dispersion 10-15 minutes remaining residual components is added, and is used Mechanical agitation 2-3 hour, is finally putting on grinder and grinds, and crosses 400 mesh sieves and obtains final product.
CN201611010841.6A 2016-11-17 2016-11-17 Chlorosulfonated polyethylene anti-corrosion coating with nano ferrite graphene composite material Withdrawn CN106634244A (en)

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Publication number Priority date Publication date Assignee Title
CN110760208A (en) * 2019-10-23 2020-02-07 国网山东省电力公司莒南县供电公司 Antistatic antirust paint for communication machine room and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110760208A (en) * 2019-10-23 2020-02-07 国网山东省电力公司莒南县供电公司 Antistatic antirust paint for communication machine room and preparation method thereof

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