CN114437614A - Powder coating for aluminum ceiling and preparation method and application thereof - Google Patents
Powder coating for aluminum ceiling and preparation method and application thereof Download PDFInfo
- Publication number
- CN114437614A CN114437614A CN202210100433.9A CN202210100433A CN114437614A CN 114437614 A CN114437614 A CN 114437614A CN 202210100433 A CN202210100433 A CN 202210100433A CN 114437614 A CN114437614 A CN 114437614A
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- CN
- China
- Prior art keywords
- powder coating
- polyester
- aluminum
- parts
- filler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000576 coating method Methods 0.000 title claims abstract description 58
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 239000000843 powder Substances 0.000 title claims abstract description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 229920000728 polyester Polymers 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 7
- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical group O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 8
- 244000028419 Styrax benzoin Species 0.000 claims description 4
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 4
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 229960002130 benzoin Drugs 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 235000019382 gum benzoic Nutrition 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 5
- 239000003623 enhancer Substances 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a powder coating for an aluminum ceiling and a preparation method and application thereof. The powder coating for the aluminum ceiling comprises the following raw materials in parts by weight: 50-60 parts of epoxy resin, 190-210 parts of polyester, 5-10 parts of curing agent, 175-190 parts of filler, 75-80 parts of pigment and 29-34 parts of assistant; wherein the polyester comprises carboxyl-terminated polyester and low acid value carboxyl-terminated polyester, the acid value of the low acid value carboxyl-terminated polyester is 32-38mgKOH/g, and the curing agent is triglycidyl isocyanurate. The powder coating for the aluminum ceiling can solve the problems of powder accumulation, poor leveling of a formed coating film and the like existing in the thick coating of the conventional powder coating.
Description
Technical Field
The invention relates to the technical field of powder coating, in particular to powder coating for an aluminum ceiling and a preparation method and application thereof.
Background
The aluminum ceiling is a decorative material which is convenient for air circulation, air exhaust and heat dissipation. In recent years, aluminum ceilings are popular with customers due to the characteristics of water resistance, fire resistance, moisture resistance, light weight, simple structure and the like.
The powder coating has the characteristics of no VOC emission during construction, simple and convenient coating process, nearly 100 percent utilization rate and the like. At present, the application of powder coating for spraying and decorating aluminum ceilings is wider. However, the conventional powder coating has a lot of obvious defects in spraying, such as poor leveling of the formed coating film due to the failure of timely leakage of static electricity and frequent occurrence of obvious powder accumulation in thick coating.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a powder coating for an aluminum ceiling, a preparation method and application thereof, and the powder coating can solve the problems of powder accumulation, poor leveling of a formed coating film and the like in thick coating of the conventional powder coating.
The invention provides a powder coating for an aluminum ceiling, which comprises the following raw materials in parts by weight: 50-60 parts of epoxy resin, 210 parts of polyester 190-containing material, 5-10 parts of curing agent, 190 parts of filler 175-containing material, 75-80 parts of pigment and 29-34 parts of auxiliary agent.
In the present invention, the epoxy resin is epoxy resin E-12.
In the present invention, the polyester may include carboxyl-terminated polyester and low acid value carboxyl-terminated polyester, wherein the acid value of the low acid value carboxyl-terminated polyester is 32 to 38 mgKOH/g. More specifically, polyesters include polyester 6040 and polyester YL 9209; the mass ratio of the polyester 6040 to the polyester YL9209 in the polyester is (75-85): (115-125).
In the present invention, the curing agent is triglycidyl isocyanurate.
In the present invention, the filler includes filler T9 and filler 44 HB; the mass ratio of the filler T9 to the filler 44HB in the filler is (45-55): (130-135).
In the present invention, the pigments include titanium dioxide, iron yellow and carbon black; the mass ratio of titanium dioxide, iron yellow and carbon black in the pigment is (75-80): (0.4-0.6): (0.03-0.05).
In the invention, the auxiliary agent comprises a leveling agent, a brightener, benzoin, a flatting agent and a surfactant, wherein the mass ratio of the leveling agent to the brightener to the benzoin to the flatting agent to the surfactant is (5.5-6): (4-4.5): (1.5-2): (13-15): (5-6).
The invention also provides a preparation method of the powder coating for the aluminum ceiling, which comprises the following steps: the raw materials are stirred and mixed evenly according to the weight portion, and then are melted and extruded by an extruder, and are tabletted, cooled and crushed by a tablet machine, and are crushed, graded and sieved by a powder sieving machine to prepare the powder coating for the aluminum ceiling.
Specifically, the raw materials can be put into a jacketed stirring pot to be uniformly stirred; the jacket can be filled with hot water at 85-95 ℃; stirring for 15-25 min; after stirring, the mixture can be kept still for 1 to 2 hours.
The invention also provides application of the powder coating for the aluminum ceiling or the powder coating for the aluminum ceiling prepared by the preparation method in preparing the aluminum ceiling.
The invention also provides a preparation method of the aluminum ceiling, which comprises the following steps: coating the aluminum ceiling plate with the powder coating for the aluminum ceiling or the powder coating for the aluminum ceiling prepared by the preparation method; wherein the thickness of the coating film can be more than or equal to 300 microns.
The thickness of the coating film prepared by the invention can reach 300 microns, the leveling property is good, the orange peel value reaches an L value smaller than 15, and the S value is smaller than 25.
According to the invention, a low-acid-value carboxyl-terminated polyester and isocyanate triglycidyl ester curing system is introduced into an epoxy resin and carboxyl-terminated polyester resin curing agent system, and a network interpenetrating structure of two curing systems is formed through a cross-linking reaction of two polyesters and different resins or curing agents.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms also include the plural forms unless the context clearly dictates otherwise, and further, it is understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The powder coating for aluminum ceiling of this example had the raw material composition shown in Table 1.
TABLE 1 raw Material composition of powder coating for aluminum ceiling
Putting the raw materials into a stirring pot with a jacket, filling hot water of 90 ℃ into the jacket, stirring for 20 minutes, standing for 1.5 hours, performing melt extrusion by an extruder, tabletting by a tabletting machine, cooling, crushing by a powder sieving machine, grading and sieving to prepare the powder coating for the aluminum ceiling.
Example 2
The powder coating for aluminum ceiling of this example had the composition of raw materials shown in Table 2.
TABLE 2 raw material composition of powder coating for aluminum ceiling
Putting the raw materials in parts by weight into a stirring pot with a jacket, filling hot water at 95 ℃ into the jacket, stirring for 15 minutes, standing for 2 hours, performing melt extrusion by an extruder, tabletting by a tablet machine, cooling, crushing by a powder sieving machine, grading and sieving to prepare the powder coating for the aluminum ceiling.
Example 3
The powder coating for aluminum ceiling of this example had the composition of raw materials shown in Table 3.
TABLE 3 raw material composition of powder coating for aluminum ceiling
Putting the raw materials in parts by weight into a stirring pot with a jacket, filling hot water with the temperature of 85 ℃ into the jacket, stirring for 25 minutes, standing for 1 hour, performing melt extrusion by an extruder, tabletting by a tabletting machine, cooling, crushing by a powder sieving machine, grading and sieving to prepare the powder coating for the aluminum ceiling.
Comparative example 1
The comparative example was conducted in the same manner as example 1 except that the polyester 6040 alone was used as the polyester in the raw material composition and the compounding amount of the polyester 6040 was 202 g.
Comparative example 2
The comparative example was conducted in the same manner as example 1 except that the polyester was polyester YL9209 alone and the amount of polyester YL9209 was 202 g.
Test example 1
The powder coatings for aluminum ceiling boards of examples 1 to 3 and comparative examples 1 to 2 were subjected to a coating film curing test, and the test results are shown in Table 4.
TABLE 4 film coating performance test results of the powder coating for aluminum ceilings
| Performance parameter | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| Film thickness (micron) | 308 | 305 | 301 | 303 | 300 |
| Leveling property | Good taste | Good taste | Good taste | Is poor | Is poor |
| L value of orange peel | 11 | 12 | 14 | 21 | 24 |
| S value of orange peel | 19 | 21 | 23 | 36 | 32 |
The results show that:
the thickness of the coating prepared by the embodiments of the invention can reach 300 microns, the leveling property is good, the orange peel value reaches an L value smaller than 15, the S value is smaller than 25, and the mechanical property and the ageing resistance are good.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The powder coating for the aluminum ceiling is characterized by comprising the following raw materials in parts by weight: 50-60 parts of epoxy resin, 210 parts of polyester 190-containing organic silicon, 5-10 parts of curing agent, 190 parts of filler 175-containing organic silicon, 75-80 parts of pigment and 29-34 parts of assistant;
preferably, the polyester comprises carboxyl-terminated polyester and low acid value carboxyl-terminated polyester, and the acid value of the low acid value carboxyl-terminated polyester is 32-38 mgKOH/g;
preferably, the curing agent is triglycidyl isocyanurate.
2. A powder coating for aluminum ceilings as set forth in claim 1 wherein said polyester comprises polyester 6040 and polyester YL 9209; the mass ratio of the polyester 6040 to the polyester YL9209 in the polyester is (75-85): (115-125).
3. The powder coating for aluminum ceilings as claimed in claim 1, wherein the epoxy resin is epoxy resin E-12.
4. The powder coating for aluminum ceilings as set forth in claim 1, wherein the filler comprises filler T9 and filler 44 HB; the mass ratio of the filler T9 to the filler 44HB in the filler is (45-55): (130-135).
5. A powder coating for aluminum ceilings as recited in claim 1, wherein the pigments comprise titanium dioxide, iron yellow and carbon black; the mass ratio of titanium dioxide, iron yellow and carbon black in the pigment is (75-80): (0.4-0.6): (0.03-0.05).
6. The powder coating for aluminum ceilings as claimed in claim 1, wherein the auxiliary agent comprises a leveling agent, a gloss enhancer, a benzoin, a flatting agent and a surfactant, and the mass ratio of the leveling agent, the gloss enhancer, the benzoin, the flatting agent and the surfactant in the auxiliary agent is (5.5-6): (4-4.5): (1.5-2): (13-15): (5-6).
7. A process for preparing a powder coating for aluminum ceilings as set forth in any of claims 1-6 comprising: the raw materials are stirred and mixed evenly according to the weight portion, and then are melted and extruded by an extruder, and are tabletted, cooled and crushed by a tablet machine, and are crushed, graded and sieved by a powder sieving machine to prepare the powder coating for the aluminum ceiling.
8. Use of the powder coating for aluminum ceilings according to any one of claims 1 to 6 or the powder coating for aluminum ceilings produced by the production method according to claim 7 for producing aluminum ceilings.
9. A method of making an aluminum ceiling tile, comprising: coating an aluminum ceiling board with the powder coating for aluminum ceiling produced by the production method as set forth in any one of claims 1 to 6 or the powder coating for aluminum ceiling produced by the production method as set forth in claim 7.
10. The method according to claim 9, wherein the coating film has a thickness of not less than 300. mu.m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210100433.9A CN114437614A (en) | 2022-01-27 | 2022-01-27 | Powder coating for aluminum ceiling and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210100433.9A CN114437614A (en) | 2022-01-27 | 2022-01-27 | Powder coating for aluminum ceiling and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114437614A true CN114437614A (en) | 2022-05-06 |
Family
ID=81370084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210100433.9A Pending CN114437614A (en) | 2022-01-27 | 2022-01-27 | Powder coating for aluminum ceiling and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114437614A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108102506A (en) * | 2017-12-20 | 2018-06-01 | 青岛豪元晟五金塑胶有限公司 | Bonding Pearlescent powder paint and preparation method thereof |
| CN110396355A (en) * | 2019-07-15 | 2019-11-01 | 江西睿智环保科技有限公司 | Extra-weather-proof 3D transfer printing wood grain powdery paints preparation method, coating and purposes |
| CN112029081A (en) * | 2020-09-11 | 2020-12-04 | 安徽鑫友高分子新材料科技有限公司 | Low-temperature curing type metal powder coating, preparation method and polyester resin used in low-temperature curing type metal powder coating |
| CN112062941A (en) * | 2020-09-16 | 2020-12-11 | 浙江中法新材料有限公司 | 6040 type polyester resin and preparation method thereof |
| WO2021022389A1 (en) * | 2019-08-02 | 2021-02-11 | 擎天材料科技有限公司 | Polyester resin composition, powder coating and workpiece |
-
2022
- 2022-01-27 CN CN202210100433.9A patent/CN114437614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108102506A (en) * | 2017-12-20 | 2018-06-01 | 青岛豪元晟五金塑胶有限公司 | Bonding Pearlescent powder paint and preparation method thereof |
| CN110396355A (en) * | 2019-07-15 | 2019-11-01 | 江西睿智环保科技有限公司 | Extra-weather-proof 3D transfer printing wood grain powdery paints preparation method, coating and purposes |
| WO2021022389A1 (en) * | 2019-08-02 | 2021-02-11 | 擎天材料科技有限公司 | Polyester resin composition, powder coating and workpiece |
| CN112029081A (en) * | 2020-09-11 | 2020-12-04 | 安徽鑫友高分子新材料科技有限公司 | Low-temperature curing type metal powder coating, preparation method and polyester resin used in low-temperature curing type metal powder coating |
| CN112062941A (en) * | 2020-09-16 | 2020-12-11 | 浙江中法新材料有限公司 | 6040 type polyester resin and preparation method thereof |
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| PB01 | Publication | ||
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Application publication date: 20220506 |
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