CN108384341A - Ultrafine powder paint and its preparation method and application - Google Patents
Ultrafine powder paint and its preparation method and application Download PDFInfo
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- CN108384341A CN108384341A CN201810261126.2A CN201810261126A CN108384341A CN 108384341 A CN108384341 A CN 108384341A CN 201810261126 A CN201810261126 A CN 201810261126A CN 108384341 A CN108384341 A CN 108384341A
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- ultrafine powder
- powder paint
- modified graphene
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- graphene
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- 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
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of ultrafine powder paints and its preparation method and application, contain PVDF, modified graphene and thermoplastic propene's acid esters in the ultrafine powder paint, the modified graphene for being 1 10% containing weight content in the powdery paints, the powder particle of the powdery paints are in the ball-type that grain size is 10 30 microns.By using will be at dissolution of raw material in organic solvent in this preparation method, inorganic nano material modified graphene is added, resin, it is sanded after high speed dispersion, obtain evenly dispersed liquid mixture, then spray method is used, sprays into water by adjusting the pore size of nozzle and the pressure of atomising air, micro powder granule is prepared using superfine modified graphene/PVDF fluorocarbon resins principle not soluble in water.The ultrafine powder paint of this case is since to be spherical, with good mobility, and solvent and water in the fabrication process can accomplish zero-emission by distilling condensation with circulation and stress reuse.
Description
Technical field
The present invention relates to the fluorine carbon dusts that a kind of superfine modified graphene/PVDF (polyvinylidene fluoride) is main film forming matter
Coating and its preparation method and application.
Background technology
PVDF fluorocarbon coatings have been the coating that weather resistance is best in existing metal anti-corrosive paint since starting commercialization.
General PVDF fluorocarbon coatings are to use 70% PVDF resins and 30% acrylic resin using technique, are equipped with advanced weather-proof
Pigment（Usually all use inorganic ceramic pigment）It produces.Stringent coating process need to be passed through, after high-temperature baking solidification
To qualified coating product.
PVDF fluorocarbon coatings currently used in the market have liquid coating and powdery paints.Most of is liquid coating,
Mainly there are two classes of roller coating and spraying in application mode.In heavy antisepsis neighborhood, roller coating fluorocarbon coating is used as antisepsis finishing paint, in state
Interior, liquid PVDF coating developments are more early, technology maturation, have many advantages, such as coating uniform, and bonding force is strong, are still global fluorine at present
The principal mode of carbon coating.But because liquid coating uses a large amount of solvent, pollution environment, waste of energy, cost is also very high, liquid
The use of body coating is by the increasing pressure.Therefore, powder fluorocarbon coating is thoroughly substituted as other products such as polyester
Liquid fluorocarbon coating is inevitable trend,
Powdery paints is a kind of coating variety of high speed development, has the advantages that energy conservation and environmental protection, three-waste free pollution.But it is existing
Powdery paints falls flat in weathering aspect of performance, and it is too big to be mainly manifested in micro mist PVDF fluorocarbon coating grain sizes（It is domestic
The product of general industry is 60 microns）Size is uneven, causes coating caudacoria too thick, wastage of material.Became uneven, harsh
The thin local metal of coating is easy to be corroded under climatic environment conditional.
Invention content
In order to solve the above-mentioned technical problem, it is (poly- to be to provide a kind of superfine modified graphene/PVDF for the first object of the present invention
Vinylidene fluoride) be main film forming matter fluorocarbon powder paint；Second purpose is to provide the preparation method of the fluorocarbon powder paint.
Third purpose is to provide the application of the fluorocarbon powder paint.
In order to realize that the first purpose of foregoing invention, the present invention use following first technical solution：A kind of superfines painting
Material, it is characterised in that：Contain PVDF, modified graphene and thermoplastic propene's acid esters, the powder in the powdery paints
Containing the modified graphene that weight content is 1-10% in last coating, it is 10- that the powder particle of the powdery paints, which is in grain size,
30 microns of ball-type.
In above-mentioned first technical solution, the first preferred embodiment is to contain polyvinylidene fluoride in the powdery paints, change
Property graphene and thermoplastic propene's acid esters.
In above-mentioned first technical solution, the first preferred embodiment is to be containing weight percentage in the powdery paints
The modified graphene of 1-10%, the modified graphene are the production through reduction again after aerosil modified graphene oxide
Object.
In above-mentioned first preferred embodiment, further preferably, the graphene oxide is to be made using Hummers methods
Aqueous graphene oxide solution, graphene oxide weight content during the aqueous graphene oxide is molten is 0.1-1%.
In above-mentioned first preferred embodiment, further preferably, the grain size of the aerosil is 20-50nm, described
Aerosil addition weight be the graphene oxide weight 200-500%.
It is further preferably, modified to graphene oxide with the aerosil in above-mentioned first preferred embodiment,
Modified with reduction is carried out by the way that reducing agent is added again, the reducing agent is ascorbic acid, and the dosage of the ascorbic acid is institute
The 5-25% for the graphene oxide weight stated.
In order to realize that the second purpose of foregoing invention, the present invention use following second technical solution：It is a kind of to prepare the first skill
The method of the ultrafine powder paint in art scheme, this method include resin dissolving, dispersion and granulation process, the dispersion
Process is to use high speed dispersion or sand mill lapping mode raw material dispersion in a liquid state；The granulation process is using spraying
Raw material after dispersion is sprayed into water, is then passed through by adjusting the pore size of nozzle and the pressure of atomising air by method
Filtering and hot blast drying, obtain modified graphene spherical in shape/PVDF fluorine micropowders.
In above-mentioned second technical solution, it is preferred that using organic in the resin and modified graphene dispersing and dissolving process
Solvent dissolves dispersion resin and modified graphene, and the organic solvent is n,N-Dimethylformamide or N, N- dimethylacetamides
Amine or N-Methyl pyrrolidone or dimethyl sulfoxide.
In above-mentioned second technical solution, it is preferred that in the granulation process, the raw material dispersion that nozzle is sprayed is sprayed
In, the weight percentage of the solid in spraying is 20%- 50%, and the temperature of spraying is 20-50 DEG C, and the pressure of spraying is
0.1-3.0 atmospheric pressure.
In the application of above-mentioned ultrafine powder paint, changed by coating ultrafine powder paint on the surface of sheet metal
Property graphene/PVDF fluororine-carbon coating metallic plates, the fluororine-carbon coating obtain thickness be 20-35 microns.
The present invention obtains following advantageous effect compared with prior art：Technical scheme of the present invention passes through PVDF is (poly- inclined
Difluoroethylene) it is dissolved in organic solvent, modified graphene, thermoplastic propene's acid esters, high speed dispersion or sand mill grinding is added
Raw material dispersion obtains pigment and disperses highly uniform liquid mixture, and the granulation process uses spray method, by adjusting spray
The pore size of mouth and the pressure of atomising air are sprayed into water, are not dissolved in using superfine modified graphene/PVDF fluorocarbon resins
The principle of water prepares micro powder granule.By simply filtering and hot blast drying, obtain the modified graphene of micro mist shape spherical in shape/
PVDF fluorine micropowders.The ultrafine powder paint of this case is due to be spherical, with good mobility, passing through control powdery paints
Grain size improve film apparent property, to reach uniform coating thickness, appearance good leveling property, coating is not easily to fall off
The purpose of.Solvent and water in the fabrication process can accomplish that zero-emission, this case surpass by distilling condensation with circulation and stress reuse
Fine powder coating is mainly used for the steel construction of high requirement for anticorrosion, and steamer, offshore platform, bridge and the high soda acid of high humidity with high salt etc. are harsh
The manufacture of anti-corrosive powder paint under climatic environment conditional.
Specific implementation mode
Invention is not limited to these embodiments, under the enlightenment of disclosure of the present invention made by it is any variation also all fall
In the range of the claims in the present invention are protected.
Embodiment 1
Step 1：It is molten that the aqueous graphene oxide that graphene oxide weight percentage is 0.2% is prepared according to Hummers methods
10 grams of aerosil is added in 200 grams of liquid, and 0.1 gram of ascorbic acid is added in ultrasound 2 hours, then 2 hours ultrasonic, and suction filtration obtains
Pasty masses are ground into fine-powdered in 60 degrees Celsius or less vacuumizing and dryings.
Step 2：0.5 gram of the fine-powdered substance that above-mentioned steps 1 obtain is taken, 200 grams of n,N-Dimethylformamide, PVDF is added
（Polyvinylidene fluoride）21 grams, 9 grams of thermoplastic propene's acid esters, stirring and dissolving, ultrasound 2 hours obtain liquid at 50 c
Mixture.
Step 3：The liquid mixture that above-mentioned steps 2 are obtained carries out aerosol nebulization granulation, the temperature control of spraying liquid
At 40 degrees Celsius, the pressure of atomising air is controlled in 0.5 atmospheric pressure, adjusts the atomizing effect of nozzle, and it is ball to make spraying out
Shape will spray in the water-bath of atomizing nozzle alignment agitation, obtain the aqueous mixtures containing solid micro-powder particle, filtering contains
The aqueous mixtures of solid micro-powder, hot blast drying obtain solid micro-powder, i.e., superfine modified graphene/PVDF fluorocarbon powder paints；It should
The grain size of solid differential is measured as 25 microns through laser granulometry.
Embodiment 2
The ultrafine powder paint that will be obtained in embodiment 1, the mode being electrostatically sprayed are sprayed on coated by anti-corrosion primer
It on iron plate, is toasted 10 minutes at a temperature of 200 degrees Celsius, obtains modified graphene/PVDF that coating layer thickness is 35 microns
Fluororine-carbon coating metallic plate, the coated metallic plate have very even curface effect.
Embodiment 3
Step 1：200 grams of the aqueous graphene oxide solution that weight percentage is 0.3% is prepared according to Hummers methods, is added
Entering 10 grams of aerosil, 0.2 gram of ascorbic acid, ultrasound 2 hours is added in ultrasound 2 hours, and suction filtration obtains pasty masses,
60 degrees Celsius or less vacuumizing and dryings, are ground into fine-powdered.
Step 2：Take 0.6 gram of the fine-powdered substance obtained in above-mentioned steps 1, be added 200 grams of n,N-dimethylacetamide,
21 grams of PVDF, 9 grams of thermoplastic propene's acid esters, stirring and dissolving at a temperature of 50 degrees Celsius, ultrasound 2 hours obtain liquid mixing
Object.
Step 3：The liquid mixture that above-mentioned steps 2 are obtained carries out aerosol nebulization granulation, the temperature control of spraying liquid
At 40 degrees Celsius, the pressure of atomising air is controlled in 1 atmospheric pressure, adjusts the atomizing effect of nozzle, and it is spherical shape to make spraying out
Shape will spray in the water-bath of atomizing nozzle alignment agitation, obtain the aqueous mixtures containing solid micro-powder particle, filtering is containing solid
The aqueous mixtures of body micro mist, hot blast drying obtain solid micro-powder, i.e., superfine modified graphene/PVDF fluorocarbon powder paints；This is solid
The grain size of body differential is measured as 20 microns through laser granulometry.
Embodiment 4
The ultrafine powder paint that will be obtained in embodiment 3, the mode being electrostatically sprayed are sprayed on coated by anti-corrosion primer
It on iron plate, is toasted 10 minutes at a temperature of 200 degree, obtains modified graphene/PVDF fluorine carbon that coating layer thickness is 30 microns
Coated metallic plate, the coated metallic plate have very even curface effect.
Embodiment 5
Step 1：200 grams of the aqueous graphene oxide solution that weight percentage is 0.5% is prepared according to Hummers methods, is added
Entering 20 grams of aerosil, 0.25 gram of ascorbic acid, ultrasound 2 hours is added in ultrasound 2 hours, and suction filtration obtains pasty masses,
60 degrees Celsius or less vacuumizing and dryings, are ground into fine-powdered.
Step 2：0.5 gram of the fine-powdered substance obtained in above-mentioned steps 1 is taken, 200 grams of N-Methyl pyrrolidone, PVDF is added
21 grams, 9 grams of thermoplastic propene's acid esters, stirring and dissolving at a temperature of 50 degrees Celsius, ultrasound 2 hours obtain liquid mixture.
Step 3：The liquid mixture that above-mentioned steps 2 are obtained carries out aerosol nebulization granulation, the temperature control of spraying liquid
At 40 degrees Celsius, the pressure of atomising air is controlled in 2 atmospheric pressure, adjusts the atomizing effect of nozzle, and it is spherical shape to make spraying out
Shape will spray in the water-bath of atomizing nozzle alignment agitation, obtain the aqueous mixtures containing solid micro-powder particle, filtering is containing solid
The aqueous mixtures of body micro mist, hot blast drying obtain solid micro-powder, i.e., superfine modified graphene/PVDF fluorocarbon powder paints；This is solid
The grain size of body differential is measured as 20 microns through laser granulometry.
Embodiment 6
The ultrafine powder paint that will be obtained in embodiment 5, the mode being electrostatically sprayed are sprayed on coated by anti-corrosion primer
It on iron plate, is toasted 10 minutes at a temperature of 200 degree, obtains modified graphene/PVDF fluorine carbon that coating layer thickness is 30 microns
Coated metallic plate, the coated metallic plate have very even curface effect.
Embodiment 7
Step 1：400 grams of the aqueous graphene oxide solution that weight percentage is 0.8% is prepared according to Hummers methods, is added
Entering 30 grams of aerosil, 0.4 gram of ascorbic acid, ultrasound 2 hours is added in ultrasound 2 hours, and suction filtration obtains pasty masses,
60 degrees Celsius or less vacuumizing and dryings, are ground into fine-powdered.
Step 2：2 grams of the fine-powdered substance obtained in above-mentioned steps 1 is taken, 200 grams of dimethyl sulfoxide, 21 grams of PVDF, heat is added
Plastic propene acid esters 9g, stirring and dissolving at a temperature of 50 degrees Celsius, ultrasound 2 hours obtain liquid mixture.
Step 3：The liquid mixture that above-mentioned steps 2 are obtained carries out aerosol nebulization granulation, the temperature control of spraying liquid
At 40 degrees Celsius, the pressure of atomising air is controlled in 3 atmospheric pressure, adjusts the atomizing effect of nozzle, and it is spherical shape to make spraying out
Shape will spray in the water-bath of atomizing nozzle alignment agitation, obtain the aqueous mixtures containing solid micro-powder particle, filtering is containing solid
The aqueous mixtures of body micro mist, hot blast drying obtain solid micro-powder, i.e., superfine modified graphene/PVDF fluorocarbon powder paints；This is solid
The grain size of body differential is measured as 15 microns through laser granulometry.
Embodiment 8
The ultrafine powder paint that will be obtained in embodiment 7, the mode being electrostatically sprayed are sprayed on coated by anti-corrosion primer
It on iron plate, is toasted 10 minutes at a temperature of 200 degree, obtains modified graphene/PVDF fluorine carbon that coating layer thickness is 25 microns
Coated metallic plate, the coated metallic plate have very even curface effect.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by spirit, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of ultrafine powder paint, it is characterised in that：The powdery paints is modified graphene/fluorocarbon coating, described
The ball-type that the powder particle of powdery paints is 10-30 microns in grain size.
2. ultrafine powder paint according to claim 1, which is characterized in that contain poly- inclined difluoro in the powdery paints
Ethylene, modified graphene and thermoplastic propene's acid esters.
3. ultrafine powder paint according to claim 1 or 2, which is characterized in that contain weight in the powdery paints
Percentage composition is the modified graphene of 1-10%, and the modified graphene is warp is gone back again after the modified oxidized black alkene of aerosil
Former product.
4. ultrafine powder paint according to claim 2, which is characterized in that the graphene oxide is to use
Aqueous graphene oxide solution made from Hummers methods, the graphene oxide weight percent during the aqueous graphene oxide is molten
Content is 0.1-1%.
5. ultrafine powder paint according to claim 2, which is characterized in that the grain size of the aerosil is
20-50nm, the addition weight of the aerosil are the 200-500% of the graphene oxide weight.
6. ultrafine powder paint according to claim 2, which is characterized in that with the aerosil to aoxidizing stone
Black alkene is modified, then carries out modified with reduction by the way that reducing agent is added, and the reducing agent is ascorbic acid, the ascorbic acid
Dosage be the graphene oxide weight 5-25%.
7. a kind of method preparing the ultrafine powder paint as described in any one of claim 1-6, it is characterised in that：It should
Method includes resin dissolving, dispersion and granulation process, it is characterised in that：
The dispersion step is to use high speed dispersion or sand mill lapping mode raw material dispersion in a liquid state；
The granulation process will be disperseed using spray method by adjusting the pore size of nozzle and the pressure of atomising air
Raw material afterwards is sprayed into water, and then by filtering and hot blast drying, it is micro- to obtain modified graphene spherical in shape/PVDF fluorine carbon
Powder.
8. the preparation method of ultrafine powder paint according to claim 7, which is characterized in that the resin and modified stone
Using organic solvent dissolving dispersion resin and modified graphene in black alkene dispersing and dissolving process, the organic solvent is N, N-
Dimethylformamide or n,N-dimethylacetamide or N-Methyl pyrrolidone or dimethyl sulfoxide.
9. the preparation method of ultrafine powder paint according to claim 7, which is characterized in that in the granulation process,
In the raw material dispersion spraying that nozzle is sprayed, the weight percentage of the solid in spraying is 20%- 50%, the temperature of spraying
It it is 20-50 DEG C, the pressure of spraying is 0.1-3.0 atmospheric pressure.
10. a kind of modified graphene/PVDF fluororine-carbon coating metallic plates, which is characterized in that the coating of the surface of the metallic plate just like
The fluororine-carbon coating that ultrafine powder paint described in any one of claim 1-6 is constituted, the thickness of the fluororine-carbon coating are
20-35 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261126.2A CN108384341A (en) | 2018-03-28 | 2018-03-28 | Ultrafine powder paint and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261126.2A CN108384341A (en) | 2018-03-28 | 2018-03-28 | Ultrafine powder paint and its preparation method and application |
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| CN201810261126.2A Pending CN108384341A (en) | 2018-03-28 | 2018-03-28 | Ultrafine powder paint and its preparation method and application |
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Cited By (2)
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| CN110054944A (en) * | 2019-05-10 | 2019-07-26 | 中山虹丽美新材料科技有限公司 | High-performance fluorocarbon powder coating and preparation method thereof |
| CN118109807A (en) * | 2024-03-05 | 2024-05-31 | 浙江绿岛科技有限公司 | Aerosol for forming compact protective layer on surface of metal piece |
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| CN110054944A (en) * | 2019-05-10 | 2019-07-26 | 中山虹丽美新材料科技有限公司 | High-performance fluorocarbon powder coating and preparation method thereof |
| CN118109807A (en) * | 2024-03-05 | 2024-05-31 | 浙江绿岛科技有限公司 | Aerosol for forming compact protective layer on surface of metal piece |
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