CN107090199A - Weather-proof epoxide powder coating and preparation method thereof - Google Patents
Weather-proof epoxide powder coating and preparation method thereof Download PDFInfo
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- CN107090199A CN107090199A CN201710427021.5A CN201710427021A CN107090199A CN 107090199 A CN107090199 A CN 107090199A CN 201710427021 A CN201710427021 A CN 201710427021A CN 107090199 A CN107090199 A CN 107090199A
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- C09D5/03—Powdery 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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses weather-proof epoxide powder coating, each raw material components are by mass parts ratio：10 15 parts of glycidyl amine type epoxy resin, 50 70 parts of polyester resin, 35 parts of 2 methylimidazole, 13 parts of isocyanuric acid three-glycidyl ester, 30 40 parts of titanium dioxide, 5 10 parts of precipitated calcium carbonate, 0.5 1.5 parts of acrylic acid, 0.5 1.5 parts of powder flow aid, 5 10 parts of talcum powder, 0.5 1.5 parts of edges cover agent, 0.1 0.5 parts of anticaking agent.The present invention filters glycidyl amine type epoxy resin, polyester resin, curing agent, filler, powder flow aid, levelling agent, edges cover agent, anticaking agent through mixed at high speed, melting extrusion, pressure roller tabletting, crushing, screening, and powdery paints is made；The characteristics of with pollution-free, energy-conserving and environment-protective, smooth coating and high mechanical strength, excellent outward appearance, water-fast, impact resistance.
Description
Technical field
The present invention relates to powdery paints production technical field, and in particular to weather-proof epoxide powder coating and preparation method thereof.
Background technology
With the fast development of outdoor building material, household appliances and vehicle, to weatherable materials kind, the demand of quantity
It is increasing.Powdery paints because its have coating efficiency it is high, it is pollution-free the features such as, sizable ratio is occupied in weatherability coating
Weight.But current weather-resistant powder paint single varieties, it is difficult to meet market demands.
The content of the invention
There is provided one kind is resistance to for the problem of present invention is directed to existing weather-resistant powder paint single varieties, is difficult to meet the market demand
Powdery paints and preparation method thereof is waited, by glycidyl amine type epoxy resin, polyester resin, 2-methylimidazole, isocyanuric acid three
Ethylene oxidic ester, titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edges cover agent, anticaking agent warp
Mixed at high speed, melting extrusion, pressure roller tabletting, crushing, screening filtering, are made powdery paints.
To achieve the above object, the technical solution adopted by the present invention is：
Weather-proof epoxide powder coating, each raw material components are by mass parts ratio：10-15 parts of glycidyl amine type epoxy resin,
50-70 parts of polyester resin, 3-5 parts of 2-methylimidazole, 1-3 parts of isocyanuric acid three-glycidyl ester, 30-40 parts of titanium dioxide, lightweight
5-10 parts of calcium carbonate, 0.5-1.5 parts of acrylic acid, 0.5-1.5 parts of powder flow aid, 5-10 parts of talcum powder, edges cover agent
0.5-1.5 parts, 0.1-0.5 parts of anticaking agent.
Each raw material components are by mass parts ratio：12 parts of glycidyl amine type epoxy resin, 60 parts of polyester resin, 2- methyl miaows
4 parts of azoles, 2 parts of isocyanuric acid three-glycidyl ester, 35 parts of titanium dioxide, 8 parts of precipitated calcium carbonate, 1 part of acrylic acid, powder flow aid
1 part, 7 parts of talcum powder, 1 part of edges cover agent, 0.3 part of anticaking agent.
The titanium dioxide, precipitated calcium carbonate, the particle diameter of talcum powder are 800 mesh.
The powder flow aid is to pass through charge-modified low molecular weight polyethylene.
The particle diameter of the polyethylene is 800 mesh.
Weather-proof epoxide powder coating preparation method, its preparation process is as follows：
S1, by the parts by weight of constitutive material weigh each raw material；
S2, the glycidyl amine type epoxy resin chosen, polyester resin, 2-methylimidazole, isocyanuric acid three shunk sweet
Grease, titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edges cover agent, anticaking agent are added at a high speed
In mixer, premix 5 minutes, high-speed stirred is well mixed；
S3, the powder that stirs in step S2 is added to double screw extruder melting extrusion, pressure roller tabletting, extruder
I area's temperature is 90-110 DEG C, and the area's temperature of extruder II is 120-135 DEG C；
S4, by the sheet stock obtained in step S3 be added in flour mill grind 10 hours, clay into power, obtained through screen filtration
To powdery paints；Wherein the rotating speed of the main mill of flour mill is 40-50r/m, and the rotating speed of the secondary mill of flour mill is 20-30r/m, screen cloth
Mesh particle diameter is 180-200 mesh.
Beneficial effects of the present invention：A kind of weather-resistant powder paint and preparation method thereof, by glycidyl amine type epoxy resin,
Polyester resin, 2-methylimidazole, isocyanuric acid three-glycidyl ester, titanium dioxide, precipitated calcium carbonate, acrylic acid, flow of powder are helped
Agent, talcum powder, edges cover agent, anticaking agent are filtered through mixed at high speed, melting extrusion, pressure roller tabletting, crushing, screening, are made
Powdery paints；The characteristics of with pollution-free, energy-conserving and environment-protective, smooth coating and high mechanical strength, excellent outward appearance, water-fast, resistance to punching
Hit performance.
Embodiment
Embodiment 1
Weather-proof epoxide powder coating, each raw material components are by mass parts ratio：10 parts of glycidyl amine type epoxy resin, polyester
50 parts of resin, 3 parts of 2-methylimidazole, 1 part of isocyanuric acid three-glycidyl ester, 30 parts of titanium dioxide, 5 parts of precipitated calcium carbonate, propylene
0.5 part of acid, 0.5 part of powder flow aid, 5 parts of talcum powder, 0.5 part of edges cover agent, 0.1 part of anticaking agent.Titanium dioxide, lightweight
Calcium carbonate, the particle diameter of talcum powder are 800 mesh.Powder flow aid is to pass through charge-modified low molecular weight polyethylene, polyethylene
Particle diameter be 800 mesh.
Weather-proof epoxide powder coating preparation method, its preparation process is as follows：
S1, by the parts by weight of constitutive material weigh each raw material；
S2, the glycidyl amine type epoxy resin chosen, polyester resin, 2-methylimidazole, isocyanuric acid three shunk sweet
Grease, titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edges cover agent, anticaking agent are added at a high speed
In mixer, premix 5 minutes, high-speed stirred is well mixed；
S3, the powder that stirs in step S2 is added to double screw extruder melting extrusion, pressure roller tabletting, extruder
I area's temperature is 90-110 DEG C, and the area's temperature of extruder II is 120-135 DEG C；
S4, by the sheet stock obtained in step S3 be added in flour mill grind 10 hours, clay into power, obtained through screen filtration
To powdery paints；Wherein the rotating speed of the main mill of flour mill is 40-50r/m, and the rotating speed of the secondary mill of flour mill is 20-30r/m, screen cloth
Mesh particle diameter is 180-200 mesh.
Embodiment 2
Weather-proof epoxide powder coating, each raw material components are by mass parts ratio：15 parts of glycidyl amine type epoxy resin, polyester
70 parts of resin, 5 parts of 2-methylimidazole, 3 parts of isocyanuric acid three-glycidyl ester, 40 parts of titanium dioxide, 10 parts of precipitated calcium carbonate, propylene
1.5 parts of acid, 1.5 parts of powder flow aid, 10 parts of talcum powder, 1.5 parts of edges cover agent, 0.5 part of anticaking agent.It is titanium dioxide, light
Matter calcium carbonate, the particle diameter of talcum powder are 800 mesh.Powder flow aid is to pass through charge-modified low molecular weight polyethylene, poly- second
The particle diameter of alkene is 800 mesh.
Weather-proof epoxide powder coating preparation method, its preparation process is as follows：
S1, by the parts by weight of constitutive material weigh each raw material；
S2, the glycidyl amine type epoxy resin chosen, polyester resin, 2-methylimidazole, isocyanuric acid three shunk sweet
Grease, titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edges cover agent, anticaking agent are added at a high speed
In mixer, premix 5 minutes, high-speed stirred is well mixed；
S3, the powder that stirs in step S2 is added to double screw extruder melting extrusion, pressure roller tabletting, extruder
I area's temperature is 90-110 DEG C, and the area's temperature of extruder II is 120-135 DEG C；
S4, by the sheet stock obtained in step S3 be added in flour mill grind 10 hours, clay into power, obtained through screen filtration
To powdery paints；Wherein the rotating speed of the main mill of flour mill is 40-50r/m, and the rotating speed of the secondary mill of flour mill is 20-30r/m, screen cloth
Mesh particle diameter is 180-200 mesh.
Embodiment 3
Weather-proof epoxide powder coating, each raw material components are by mass parts ratio：12 parts of glycidyl amine type epoxy resin, polyester
60 parts of resin, 4 parts of 2-methylimidazole, 2 parts of isocyanuric acid three-glycidyl ester, 35 parts of titanium dioxide, 8 parts of precipitated calcium carbonate, propylene
1 part of acid, 1 part of powder flow aid, 7 parts of talcum powder, 1 part of edges cover agent, 0.3 part of anticaking agent.Titanium dioxide, lightweight carbonic acid
Calcium, the particle diameter of talcum powder are 800 mesh.Powder flow aid is to pass through charge-modified low molecular weight polyethylene, the grain of polyethylene
Footpath is 800 mesh.
Weather-proof epoxide powder coating preparation method, its preparation process is as follows：
S1, by the parts by weight of constitutive material weigh each raw material；
S2, the glycidyl amine type epoxy resin chosen, polyester resin, 2-methylimidazole, isocyanuric acid three shunk sweet
Grease, titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edges cover agent, anticaking agent are added at a high speed
In mixer, premix 5 minutes, high-speed stirred is well mixed；
S3, the powder that stirs in step S2 is added to double screw extruder melting extrusion, pressure roller tabletting, extruder
I area's temperature is 90-110 DEG C, and the area's temperature of extruder II is 120-135 DEG C；
S4, by the sheet stock obtained in step S3 be added in flour mill grind 10 hours, clay into power, obtained through screen filtration
To powdery paints；Wherein the rotating speed of the main mill of flour mill is 40-50r/m, and the rotating speed of the secondary mill of flour mill is 20-30r/m, screen cloth
Mesh particle diameter is 180-200 mesh.
Powdery paints prepared by above-described embodiment 1-3 is sprayed at the steel plate by pretreatment using the method for electrostatic spraying
On base material, film performance, test result such as table one are tested in natural cooling 24 hours after solidification.
Table one：Performance powder coating tests table
Weather-resistant powder paint of the present invention and preparation method thereof, by glycidyl amine type epoxy resin, polyester resin, 2- methyl
Imidazoles, isocyanuric acid three-glycidyl ester, titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edge cover
Lid agent, anticaking agent are filtered through mixed at high speed, melting extrusion, pressure roller tabletting, crushing, screening, and powdery paints is made；With without dirt
The characteristics of dye, energy-conserving and environment-protective, smooth coating and high mechanical strength, excellent outward appearance, water-fast, impact resistance.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of this area ordinary person to the present invention
The all variations and modifications that scheme is made, all should drop into protection scope of the present invention.
Claims (6)
1. weather-proof epoxide powder coating, it is characterised in that each raw material components are by mass parts ratio：Glycidyl amine type epoxy resin
10-15 parts, 50-70 parts of polyester resin, 3-5 parts of 2-methylimidazole, 1-3 parts of isocyanuric acid three-glycidyl ester, titanium dioxide 30-40
Part, 5-10 parts of precipitated calcium carbonate, 0.5-1.5 parts of acrylic acid, 0.5-1.5 parts of powder flow aid, 5-10 parts of talcum powder, edge cover
0.5-1.5 parts of lid agent, 0.1-0.5 parts of anticaking agent.
2. weather-proof epoxide powder coating as claimed in claim 1, it is characterised in that each raw material components are by mass parts ratio：Contracting
12 parts of water glycerine amine type epoxy resin, 60 parts of polyester resin, 4 parts of 2-methylimidazole, 2 parts of isocyanuric acid three-glycidyl ester, titanium
35 parts of white powder, 8 parts of precipitated calcium carbonate, 1 part of acrylic acid, 1 part of powder flow aid, 7 parts of talcum powder, 1 part of edges cover agent, anti-caking
0.3 part of block agent.
3. weather-proof epoxide powder coating as claimed in claim 1, it is characterised in that：The titanium dioxide, precipitated calcium carbonate, talcum
The particle diameter of powder is 800 mesh.
4. weather-proof epoxide powder coating as claimed in claim 1, it is characterised in that：The powder flow aid is to pass through electric charge
Modified low molecular weight polyethylene.
5. weather-proof epoxide powder coating as claimed in claim 4, it is characterised in that：The particle diameter of the polyethylene is 800 mesh.
6. weather-proof epoxide powder coating preparation method as claimed in claim 1, it is characterised in that its preparation process is as follows：
S1, by the parts by weight of constitutive material weigh each raw material；
S2, by the glycidyl amine type epoxy resin chosen, polyester resin, 2-methylimidazole, isocyanuric acid three-glycidyl ester,
Titanium dioxide, precipitated calcium carbonate, acrylic acid, powder flow aid, talcum powder, edges cover agent, anticaking agent add high-speed stirred
In machine, premix 5 minutes, high-speed stirred is well mixed；
S3, the powder that stirs in step S2 is added to double screw extruder melting extrusion, pressure roller tabletting, the area of extruder I
Temperature is 90-110 DEG C, and the area's temperature of extruder II is 120-135 DEG C；
S4, by the sheet stock obtained in step S3 be added in flour mill grind 10 hours, clay into power, powder obtained through screen filtration
Last coating；Wherein the rotating speed of the main mill of flour mill is 40-50r/m, and the rotating speed of the secondary mill of flour mill is 20-30r/m, screen cloth mesh
Particle diameter is 180-200 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427021.5A CN107090199A (en) | 2017-06-08 | 2017-06-08 | Weather-proof epoxide powder coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427021.5A CN107090199A (en) | 2017-06-08 | 2017-06-08 | Weather-proof epoxide powder coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107090199A true CN107090199A (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710427021.5A Withdrawn CN107090199A (en) | 2017-06-08 | 2017-06-08 | Weather-proof epoxide powder coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880742A (en) * | 2017-11-23 | 2018-04-06 | 安徽鑫绿源电子科技有限公司 | A kind of weatherability communication apparatus powdery paints |
| CN111849316A (en) * | 2020-08-12 | 2020-10-30 | 湖南连心科技有限公司 | Heat-storage-resistant powder coating and preparation method thereof |
| CN111978817A (en) * | 2020-08-13 | 2020-11-24 | 廊坊艾格玛新立材料科技有限公司 | Corrosion-resistant weather-resistant epoxy polyester powder coating and preparation method thereof |
| CN115286981A (en) * | 2022-08-10 | 2022-11-04 | 肇庆市高要区阿美加涂料有限责任公司 | Epoxy polyester thermosetting powder coating and preparation method thereof |
-
2017
- 2017-06-08 CN CN201710427021.5A patent/CN107090199A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880742A (en) * | 2017-11-23 | 2018-04-06 | 安徽鑫绿源电子科技有限公司 | A kind of weatherability communication apparatus powdery paints |
| CN111849316A (en) * | 2020-08-12 | 2020-10-30 | 湖南连心科技有限公司 | Heat-storage-resistant powder coating and preparation method thereof |
| CN111978817A (en) * | 2020-08-13 | 2020-11-24 | 廊坊艾格玛新立材料科技有限公司 | Corrosion-resistant weather-resistant epoxy polyester powder coating and preparation method thereof |
| CN115286981A (en) * | 2022-08-10 | 2022-11-04 | 肇庆市高要区阿美加涂料有限责任公司 | Epoxy polyester thermosetting powder coating and preparation method thereof |
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Application publication date: 20170825 |