CN112724800A - Powder coating with antibacterial function and preparation method thereof - Google Patents
Powder coating with antibacterial function and preparation method thereof Download PDFInfo
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- CN112724800A CN112724800A CN202011567597.XA CN202011567597A CN112724800A CN 112724800 A CN112724800 A CN 112724800A CN 202011567597 A CN202011567597 A CN 202011567597A CN 112724800 A CN112724800 A CN 112724800A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/04—Making granules by dividing preformed material in the form of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C09D7/80—Processes for incorporating ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Plant Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a powder coating with antibacterial function and a preparation method thereof, wherein the powder coating comprises, by weight, 30-70 parts of carboxyl polyester resin, 0.2-1.5 parts of polyacrylic acid leveling agent, 5-10 parts of titanium dioxide, 0.1-1.5 parts of carbon black, 0.1-1 part of antibacterial agent, 20-36 parts of barite powder, 0-0.5 part of benzoin, 0-40 parts of epoxy resin and 0-6 parts of hydroxyalkylamide. The powder coating has good antibacterial effect and reliable antibacterial performance.
Description
Technical Field
The invention relates to a powder coating, in particular to a powder coating with an antibacterial function and a preparation method thereof.
Background
In the future, public health management will be increasingly emphasized, and people will also emphasize the health and green environmental protection of articles. At present, a plurality of antibacterial products are available on the market, and by control measures of inhibiting the growth of bacteria and preventing the reproduction of the bacteria, articles are prevented from being corrupted and deteriorated due to the growth and corrosion of microorganisms, and the invasion of external microorganism activities to human bodies is reduced; in the field of plastics, antibacterial products such as: the antibacterial preservation box, the antibacterial chopping board, the antibacterial air conditioner, the antibacterial impeller washing machine, the antibacterial refrigerator, the antibacterial mobile phone protective film and the like are all made of antibacterial materials. Along with the improvement of national consumption capability, the antibacterial performance of the product becomes the rigid demand of part of consumers, and leading enterprises in the subdivision industry have taken the lead to manufacture corresponding antibacterial products by using antibacterial materials. Therefore, for the coating industry, the antibacterial coating is an unscalable product, and when the existing antibacterial coating on the market is generally complicated in formula structure and easy to lose or reduce the antibacterial performance of the coating due to the influence of a processing process, the existing antibacterial coating needs to be further improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the powder coating with the antibacterial function and the preparation method thereof.
The purpose of the invention is realized as follows:
the powder coating with the antibacterial function comprises, by weight, 30-70 parts of carboxyl polyester resin, 0.2-1.5 parts of polyacrylic acid leveling agent, 5-10 parts of titanium dioxide, 0.1-1.5 parts of carbon black, 0.1-1 part of antibacterial agent, 20-36 parts of barite powder, 0-0.5 part of benzoin, 0-40 parts of epoxy resin and 0-6 parts of hydroxyalkylamide.
The coating specifically comprises 30 parts by weight of carboxyl polyester resin, 30 parts by weight of epoxy resin, 1 part by weight of polyacrylic acid leveling agent, 8 parts by weight of titanium dioxide, 0.7 part by weight of carbon black, 0.5 part by weight of antibacterial agent, 29.5 parts by weight of barite powder and 0.3 part by weight of benzoin.
The acid value of the carboxyl polyester resin is 50-80mg KOH/g, and the molar mass of the epoxy resin is 0.115-0.13mol/100 g.
As another specific scheme: the paint comprises 60 parts of carboxyl polyester resin carboxyl, 3.2 parts of hydroxyalkylamide, 1 part of polyacrylic acid leveling agent, 8 parts of titanium dioxide, 0.7 part of carbon black, 0.5 part of antibacterial agent and 26.3 parts of barite powder in parts by weight: 0.3 part of benzoin.
The above carboxyl polyester resin has an acid value of 30 to 50mg KOH/g, and a molecular weight of 320 when the hydroxyalkyl amide is 82 g/eq.
The preparation method of the powder coating with the antibacterial function comprises the following steps:
step a, putting carboxyl polyester resin, titanium dioxide and carbon black with preset weight into a mixer, and premixing for 3 minutes at the speed of 250 rpm/min; when the epoxy resin is required to be used, the epoxy resin is put into a mixer together for mixing;
b, adding a polyacrylic acid leveling agent, an antibacterial agent, benzoin and barite powder into the mixture prepared in the step a, and then mixing for 5 minutes at the speed of 250 rpm/min; when the hydroxyalkyl amide is required to be used, the hydroxyalkyl amide is put into the mixture prepared in the step a together;
c, putting the mixture prepared in the step b into an extruder for melting and shearing extrusion;
d, conveying the extrudate obtained in the step c to a tablet press and a crusher, and crushing the extrudate into tablets with the diameter of 0.3-1 cm;
and e, putting the slices prepared in the step d into a pulverizer, pulverizing and screening to obtain a finished product with the average particle size of 25-30 um.
And c, arranging a first melting area and a second melting area on the extruder in the step c, wherein the temperature of the first melting area is 80-95 ℃, the temperature of the second melting area is 90-110 ℃, and the rotating speed frequency of a screw on the extruder is 30-50 Hz.
In the step e, the sheet materials sequentially pass through a feeding area, a crushing area and a grading area from feeding to discharging in a crusher; the frequency of a feeding motor in the feeding area is 20-35Hz, the frequency of a crushing motor in the crushing area is 37-60Hz, the frequency of a vibrating motor in the grading area is 20-40Hz, and the mesh number of the screen in the grading area is 200 meshes.
The invention has the following beneficial effects:
1. in the powder coating, because titanium dioxide and carbon black are difficult to disperse in the system and are easy to form flocculent aggregates with a polyacrylic acid leveling agent, an antibacterial agent and barite powder during mixing, the final product generates loose color and the antibacterial property is poor, the titanium dioxide and the carbon black are firstly mixed with carboxyl polyester resin of a sheet (when epoxy resin is required, the mixture is also mixed with the epoxy resin) during the preparation process, so that the titanium dioxide and the carbon black are fully dispersed and the flocculent is prevented.
2. In the past powder coating products, the antibacterial agent is prepared by an additional process (sheet materials are crushed into finished products and then poured into a mixer to be mixed with the antibacterial agent for the second time), the traditional process wastes at least 30 minutes for every 500KG of products, and the antibacterial property of the final powder coating is often greatly reduced due to the fact that the antibacterial agent is not uniformly dispersed, and even the embarrassment that the local part has no resistance occurs. The antibacterial agent is added and mixed in the step b, so that on one hand, the preparation efficiency of the product can be improved by avoiding additional secondary mixing, on the other hand, the antibacterial agent can be fully dispersed and uniformly dispersed, and the powder coating is ensured to have better antibacterial property;
3. the dispersion of the powder coating is further improved and the compactness of a coating (a coating formed by the finished powder coating) is improved by adjusting the processes of an extruder and a pulverizer (specifically, the temperature of a first melting area and a second melting area in the extruder is adjusted, the frequency of a feeding motor, a pulverizing motor and a vibrating motor in the pulverizer is adjusted, and the mesh number of a screen is adjusted, wherein the mesh number of the screen is changed from original 160 meshes to 200 meshes, so that the average particle size of the finished product is optimized from traditional 35um to 25-30 um.
Detailed Description
The present invention will be further described with reference to the following examples.
The powder coating with the antibacterial function comprises, by weight, 30-70 parts of carboxyl polyester resin, 0.2-1.5 parts of polyacrylic acid leveling agent, 5-10 parts of titanium dioxide, 0.1-1.5 parts of carbon black, 0.1-1 part of antibacterial agent, 20-36 parts of barite powder, 0-0.5 part of benzoin, 0-40 parts of epoxy resin and 0-6 parts of hydroxyalkylamide.
Further, the air conditioner is provided with a fan,
when the powder coating is applied indoors, the powder coating preferably comprises 30 parts of carboxyl polyester resin, 30 parts of epoxy resin, 1 part of polyacrylic acid leveling agent, 8 parts of titanium dioxide, 0.7 part of carbon black, 0.5 part of antibacterial agent, 29.5 parts of barite powder and 0.3 part of benzoin (such as benzoin) by weight;
wherein the acid value of the carboxyl polyester resin is 50-80mg KOH/g, and the molar mass of the epoxy resin is 0.115-0.13mol/100 g.
The preparation method of the powder coating for indoor application comprises the following steps:
step a, putting carboxyl polyester resin and epoxy resin with preset weight, titanium dioxide and carbon black into a mixer in sequence, and premixing for 3 minutes at the speed of 250rpm/min to fully disperse titanium dioxide pigment and carbon black;
b, sequentially adding a polyacrylic acid leveling agent, an antibacterial agent, benzoin and barite powder into the mixture prepared in the step a, and then mixing for 5 minutes at the speed of 250 rpm/min;
c, putting the mixture prepared in the step b into an extruder for melting and shearing extrusion;
d, conveying the extrudate obtained in the step c to a tablet press and a crusher, and crushing the extrudate into tablets with the diameter of 0.3-1 cm;
and e, putting the slices prepared in the step d into a pulverizer, pulverizing and screening to obtain a finished product with the average particle size of 25-30 um.
In the preparation method, the extruder in the step c is provided with a first melting area and a second melting area, the temperature of the first melting area is 80-85 ℃, the temperature of the second melting area is 90-95 ℃, and the rotating speed frequency of a screw on the extruder is 45 Hz;
in the step e, the sheet materials sequentially pass through a feeding area, a crushing area and a grading area from feeding to discharging in a crusher; the frequency of a feeding motor in the feeding area is 30Hz, the frequency of a crushing motor in the crushing area is 37-45Hz, the frequency of a vibrating motor in the grading area is 28-32Hz, and the mesh number of a screen in the grading area is 200 meshes.
Further, the air conditioner is provided with a fan,
when the powder coating is applied outdoors, the powder coating preferably comprises 60 parts of carboxyl polyester resin carboxyl, 3.2 parts of hydroxyalkyl amide, 1 part of polyacrylic acid leveling agent, 8 parts of titanium dioxide, 0.7 part of carbon black, 0.5 part of antibacterial agent, 26.3 parts of barite powder according to parts by weight: 0.3 part of benzoin.
Wherein the acid value of the carboxyl polyester resin is 30-50mg KOH/g, and the molecular weight is 320 when the hydroxyalkyl amide is 82 g/eq.
The preparation method of the powder coating applied outdoors comprises the following steps:
step a, sequentially putting carboxyl polyester resin, titanium dioxide and carbon black with preset weight into a mixer, and premixing for 3 minutes at the speed of 250rpm/min to fully disperse pigment titanium dioxide and carbon black;
b, sequentially adding hydroxyalkyl amide, a polyacrylic acid leveling agent, an antibacterial agent, benzoin and barite powder into the mixture prepared in the step a, and then mixing for 5 minutes at the speed of 250 rpm/min;
c, putting the mixture prepared in the step b into an extruder for melting and shearing extrusion;
d, conveying the extrudate obtained in the step c to a tablet press and a crusher, and crushing the extrudate into tablets with the diameter of 0.3-1 cm;
and e, putting the slices prepared in the step d into a pulverizer, pulverizing and screening to obtain a finished product with the average particle size of 25-30 um.
In the preparation method, the extruder in the step c is provided with a first melting area and a second melting area, the temperature of the first melting area is 90-95 ℃, the temperature of the second melting area is 100-110 ℃, and the rotating speed frequency of a screw on the extruder is 45 Hz;
in the step e, the sheet materials sequentially pass through a feeding area, a crushing area and a grading area from feeding to discharging in a crusher; the frequency of a feeding motor in the feeding area is 25Hz, the frequency of a crushing motor in the crushing area is 50Hz, the frequency of a vibrating motor in the grading area is 28-32Hz, and the mesh number of the screen in the grading area is 200 meshes.
The following is the test for the antibacterial test using the powder coating:
sample name: antibacterial plate
Sample properties: a metallic substrate having a blackish-grey coating (the coating being formed by spraying the powder coating)
Detecting strains: escherichia coli and Staphylococcus aureus
The detection basis is as follows: antibacterial property measuring method and antibacterial effect of GBT21866-2008 antibacterial coating (paint film)
Sample pretreatment: 1. cutting the sample into sample pieces with the size of 50mm multiplied by 50 mm; 2. washing the surface with sterile water, and drying at 60 deg.C for 2H.
The test results are as follows:
the foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A powder coating with antibacterial function is characterized in that: 30-70 parts of carboxyl polyester resin, 0.2-1.5 parts of polyacrylic acid flatting agent, 5-10 parts of titanium dioxide, 0.1-1.5 parts of carbon black, 0.1-1 part of antibacterial agent, 20-36 parts of barite powder, 0-0.5 part of benzoin, 0-40 parts of epoxy resin and 0-6 parts of hydroxyalkylamide.
2. The antibacterial powder coating according to claim 1, characterized in that: the paint comprises, by weight, 30 parts of carboxyl polyester resin, 30 parts of epoxy resin, 1 part of polyacrylic acid leveling agent, 8 parts of titanium dioxide, 0.7 part of carbon black, 0.5 part of antibacterial agent, 29.5 parts of barite powder and 0.3 part of benzoin.
3. The antibacterial powder coating according to claim 2, characterized in that: the acid value of the carboxyl polyester resin is 50-80mg KOH/g.
4. The antibacterial powder coating according to claim 2, characterized in that: the molar mass of the epoxy resin is 0.115-0.13mol/100 g.
5. The antibacterial powder coating according to claim 1, characterized in that: the paint comprises 60 parts of carboxyl polyester resin carboxyl, 3.2 parts of hydroxyalkyl amide, 1 part of polyacrylic acid flatting agent, 8 parts of titanium dioxide, 0.7 part of carbon black, 0.5 part of antibacterial agent and 26.3 parts of barite powder in parts by weight: 0.3 part of benzoin.
6. The antibacterial powder coating according to claim 5, characterized in that: the acid value of the carboxyl polyester resin is 30-50mg KOH/g.
7. The antibacterial powder coating according to claim 3, characterized in that: when the hydroxyalkyl amide is 82g/eq, the molecular weight is 320.
8. The method for preparing the powder coating with antibacterial function according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
step a, putting carboxyl polyester resin, titanium dioxide and carbon black with preset weight into a mixer, and premixing for 3 minutes at the speed of 250 rpm/min; when the epoxy resin is required to be used, the epoxy resin is put into a mixer together for mixing;
b, adding a polyacrylic acid leveling agent, an antibacterial agent, benzoin and barite powder into the mixture prepared in the step a, and then mixing for 5 minutes at the speed of 250 rpm/min; when the hydroxyalkyl amide is required to be used, the hydroxyalkyl amide is jointly put into the mixture prepared in the step a;
c, putting the mixture prepared in the step b into an extruder for melting and shearing extrusion;
d, conveying the extrudate obtained in the step c to a tablet press and a crusher, and crushing the extrudate into tablets with the diameter of 0.3-1 cm;
and e, putting the slices prepared in the step d into a pulverizer, pulverizing and screening to obtain a finished product with the average particle size of 25-30 um.
9. The method for preparing the powder coating with the antibacterial function according to claim 8, characterized in that: and c, arranging a first melting area and a second melting area on the extruder in the step c, wherein the temperature of the first melting area is 80-95 ℃, the temperature of the second melting area is 90-110 ℃, and the rotating speed frequency of a screw on the extruder is 30-50 Hz.
10. The method for preparing the powder coating with the antibacterial function according to claim 8, characterized in that: in the step e, the sheet materials sequentially pass through a feeding area, a crushing area and a grading area from feeding to discharging in a crusher; the frequency of a feeding motor in the feeding area is 20-35Hz, the frequency of a crushing motor in the crushing area is 37-60Hz, the frequency of a vibrating motor in the grading area is 20-40Hz, and the mesh number of the screen in the grading area is 200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011567597.XA CN112724800A (en) | 2020-12-25 | 2020-12-25 | Powder coating with antibacterial function and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011567597.XA CN112724800A (en) | 2020-12-25 | 2020-12-25 | Powder coating with antibacterial function and preparation method thereof |
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| CN112724800A true CN112724800A (en) | 2021-04-30 |
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| CN202011567597.XA Pending CN112724800A (en) | 2020-12-25 | 2020-12-25 | Powder coating with antibacterial function and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965753A (en) * | 2014-05-06 | 2014-08-06 | 张家港江南粉末涂料有限公司 | Antibacterial powder coating and preparation method thereof |
| CN107573808A (en) * | 2017-08-18 | 2018-01-12 | 安徽华辉塑业科技股份有限公司 | A kind of powdery paints applied to microwave oven surfaces spraying |
| CN109651938A (en) * | 2018-12-14 | 2019-04-19 | 佛山市顺德区蓝天实业有限公司 | A kind of high-environmental powdery paints |
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2020
- 2020-12-25 CN CN202011567597.XA patent/CN112724800A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965753A (en) * | 2014-05-06 | 2014-08-06 | 张家港江南粉末涂料有限公司 | Antibacterial powder coating and preparation method thereof |
| CN107573808A (en) * | 2017-08-18 | 2018-01-12 | 安徽华辉塑业科技股份有限公司 | A kind of powdery paints applied to microwave oven surfaces spraying |
| CN109651938A (en) * | 2018-12-14 | 2019-04-19 | 佛山市顺德区蓝天实业有限公司 | A kind of high-environmental powdery paints |
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Application publication date: 20210430 |