CN114672225A - Water-based silicon-modified polyester aluminum coil coating and preparation method thereof - Google Patents
Water-based silicon-modified polyester aluminum coil coating and preparation method thereof Download PDFInfo
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- CN114672225A CN114672225A CN202210453739.2A CN202210453739A CN114672225A CN 114672225 A CN114672225 A CN 114672225A CN 202210453739 A CN202210453739 A CN 202210453739A CN 114672225 A CN114672225 A CN 114672225A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 229920000728 polyester Polymers 0.000 title claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920003180 amino resin Polymers 0.000 claims abstract description 15
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 12
- 239000006184 cosolvent Substances 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 11
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 11
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 claims abstract description 8
- 239000003086 colorant Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- 239000004640 Melamine resin Substances 0.000 claims description 8
- 150000007974 melamines Chemical class 0.000 claims description 6
- 229920000768 polyamine Polymers 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- CGLVZFOCZLHKOH-UHFFFAOYSA-N 8,18-dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)triphenodioxazine Chemical compound CCN1C2=CC=CC=C2C2=C1C=C1OC3=C(Cl)C4=NC(C=C5C6=CC=CC=C6N(C5=C5)CC)=C5OC4=C(Cl)C3=NC1=C2 CGLVZFOCZLHKOH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 150000008065 acid anhydrides Chemical class 0.000 claims description 2
- 239000002318 adhesion promoter Substances 0.000 claims description 2
- 125000002723 alicyclic group Chemical group 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000004982 aromatic amines Chemical class 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 2
- -1 imino methylated melamine Chemical class 0.000 claims description 2
- 239000011859 microparticle Substances 0.000 claims description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 2
- 235000013824 polyphenols Nutrition 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000011240 wet gel Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 238000004132 cross linking Methods 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007761 roller coating 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
- C09D5/08—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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
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)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a water-based silicon-modified polyester coil aluminum coating and a preparation method thereof, wherein the water-based silicon-modified polyester coil aluminum coating comprises the following components in parts by mass: 45-50 parts of water-based silicon modified polyester, 1-3 parts of modified silica aerogel, 15-20 parts of water, 3-5 parts of a coloring agent, 4-6 parts of amino resin, 5-8 parts of rosin, 8-10 parts of a flatting agent, 1-3 parts of a cosolvent, 4-5 parts of a catalyst, 0.2-0.5 part of a defoaming agent, 4-7 parts of a curing agent, 6-8 parts of a film forming agent and 1-3 parts of a water-based adhesive force auxiliary agent, and has the following beneficial effects: the coating prepared by the method has strong adhesion to metal, and meanwhile, has the performances of good flexibility and high crosslinking density of a coating film, and is very excellent in chemical corrosion resistance and heat resistance.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based silicon-modified polyester aluminum coil coating and a preparation method thereof.
Background
The aluminum rolling coating is prepared by coating the coating on the surface of an aluminum material by a roller coating operation method, and then the aluminum rolling coating is prepared into a color-coated aluminum plate, has the advantages of high mechanical strength, good flexibility and easy processing and forming, has good decoration and corrosion resistance, and can be easily subjected to processing such as blanking, bending, deep drawing and the like. The product has light weight, excellent performance and low cost, and is widely applied to various buildings such as industrial factory buildings, stations, airports, gymnasiums, high-grade buildings and the like, and household appliance manufacturing industry.
Because the coiled aluminum coating is subjected to high-temperature rapid baking during coating, and a coated plate is uncoiled and directly subjected to various mechanical processing such as cutting, occlusion and the like during use, the coiled aluminum coating is required to have good stability, mechanical properties and excellent adhesion to a base material.
However, when the existing aluminum coil coating is used specifically, the coating does not resist high temperature and has poor adhesion to metal, the coating is easy to separate from the metal after a period of time, and the crosslinking density of the coating and the metal is not high.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a water-based silicon-modified polyester coiled aluminum coating and a preparation method thereof, so as to overcome the technical problems in the prior related art.
The technical scheme of the invention is realized as follows:
the water-based silicon-modified polyester coiled aluminum coating comprises the following components in parts by mass: 45-50 parts of water-based silicon modified polyester, 1-3 parts of modified silica aerogel, 15-20 parts of water, 3-5 parts of a coloring agent, 4-6 parts of amino resin, 5-8 parts of rosin, 8-10 parts of a flatting agent, 1-3 parts of a cosolvent, 4-5 parts of a catalyst, 0.2-0.5 part of a defoaming agent, 4-7 parts of a curing agent, 6-8 parts of a film forming agent and 1-3 parts of a water-based adhesive force auxiliary agent.
Further, the modified silica gel is prepared by mixing and stirring boric acid microparticles and ionized water, and is wet gel.
Further, the colorant is at least one of iron oxide red, titanium dioxide, iron oxide red, iron oxide yellow, phthalocyanine blue, phthalocyanine green, permanent violet and precipitated barium sulfate.
Further, the amino resin is at least one of a fully methylated melamine resin, a mixture of the fully methylated melamine resin and a partially methylated amino resin, and a mixture of the fully methylated melamine resin and a high imino methylated melamine resin.
Further, the curing agent is any one of dicyandiamide, polyamine, acid anhydride and polyphenol.
Further, the defoaming agent is aliphatic polyamine or alicyclic polyamine; at least one of a low molecular polyamide and a modified aromatic amine.
A preparation method of a water-based silicon-modified polyester coiled aluminum coating is characterized by comprising the following specific steps:
1) mixing water-based silicon-modified polyester, amino resin, water, rosin and a catalyst, and continuously stirring and mixing for 2-3 hours to obtain a first mixture;
2) mixing the first mixture, the modified silica gel, the leveling agent and the cosolvent, adding into a stirring kettle, and continuously stirring and mixing for 1-2 hours at the rotating speed of 500-1000 a/min to obtain a second mixture;
3) mixing the second mixture, the catalyst and the water-based adhesion promoter together, and continuously stirring for 30-50 minutes to obtain a third mixture;
4) and adding a defoaming agent, a curing agent and a film-forming agent into the obtained third mixture to obtain the water-based silicon modified polyester aluminum coil coating.
The invention provides a water-based silicon-modified polyester coil aluminum coating and a preparation method thereof, and the water-based silicon-modified polyester coil aluminum coating has the following beneficial effects:
mixing water-based silicon modified polyester, amino resin, water, rosin and a catalyst, continuously stirring and mixing for 2-3 hours to obtain a first mixture, mixing the first mixture, modified silica gel, a flatting agent and a cosolvent, adding the mixture into a stirring kettle, continuously stirring and mixing for 1-2 hours at the rotating speed of 500-1000 min to obtain a second mixture, mixing the second mixture, the catalyst and a water-based adhesive force auxiliary agent together, continuously stirring for 30-50 minutes to obtain a third mixture, remarkably improving the adhesion of a coating and a metal substrate, improving the flexibility of the coating, promoting the crosslinking density of the coating and having the humidity and heat resistance by the action of the water-based adhesive force auxiliary agent, and finally adding a defoaming agent, a curing agent and a film forming agent into the obtained third mixture to obtain the water-based silicon modified polyester aluminum coil coating, the coating prepared by the method has strong adhesion to metal, good flexibility of a coating film and high crosslinking density, and has excellent chemical corrosion resistance and heat resistance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The invention will be further described with reference to specific embodiments:
the first embodiment is as follows:
the water-based silicon-modified polyester coiled aluminum coating provided by the embodiment of the invention comprises the following components in parts by mass: 45-50 parts of water-based silicon modified polyester, 1-3 parts of modified silica aerogel, 15-20 parts of water, 3-5 parts of a coloring agent, 4-6 parts of amino resin, 5-8 parts of rosin, 8-10 parts of a flatting agent, 1-3 parts of a cosolvent, 4-5 parts of a catalyst, 0.2-0.5 part of a defoaming agent, 4-7 parts of a curing agent, 6-8 parts of a film forming agent and 1-3 parts of a water-based adhesive force auxiliary agent.
Through the scheme of the invention, after the water-based silicon modified polyester, the amino resin, the water, the rosin and the catalyst are mixed and stirred continuously for 2-3 hours to obtain a first mixture, the modified silica gel, the leveling agent and the cosolvent are mixed and added into a stirring kettle, the first mixture, the modified silica gel, the leveling agent and the cosolvent are stirred continuously for 1-2 hours at the rotating speed of 500-1000 min to obtain a second mixture, the catalyst and the water-based adhesion auxiliary agent are mixed together, the mixture is stirred continuously for 30-50 minutes to obtain a third mixture, the adhesion of a coating and a metal substrate is obviously improved under the action of the water-based adhesion auxiliary agent, the flexibility of the coating is improved, the crosslinking density of the coating is promoted, and the coating has the humidity and heat resistance, and finally the defoaming agent, the curing agent and the film forming agent are added into the obtained third mixture, the water-based silicon-modified polyester aluminum coil coating can be obtained, and the water-based silicon-modified polyester aluminum coil coating is prepared into a finished coating through the action of the curing agent and the film forming agent.
Example two:
the water-based silicon-modified polyester coiled aluminum coating comprises the following components in parts by mass: 45 parts of waterborne silicon-modified polyester, 1 part of modified silica aerogel, 15 parts of water, 3 parts of a coloring agent, 4 parts of amino resin, 5 parts of rosin, 8 parts of a leveling agent, 1-3 parts of a cosolvent, 4 parts of a catalyst, 0.2 part of a defoaming agent, 4 parts of a curing agent, 6 parts of a film forming agent and a waterborne adhesive force auxiliary agent;
example three:
the water-based silicon-modified polyester coiled aluminum coating comprises the following components in parts by mass: 50 parts of water-based silicon modified polyester, 3 parts of modified silica aerogel, 20 parts of water, 5 parts of a coloring agent, 6 parts of amino resin, 8 parts of rosin, 10 parts of a leveling agent, 3 parts of a cosolvent, 5 parts of a catalyst, 0.5 part of a defoaming agent, 7 parts of a curing agent, 8 parts of a film forming agent and 3 parts of a water-based adhesive force auxiliary agent.
In practical application, the water-based silicon modified polyester, the amino resin, the water, the rosin and the catalyst are mixed, continuously stirred and mixed for 2 to 3 hours to obtain a first mixture, the modified silica gel, the leveling agent and the cosolvent are mixed and added into a stirring kettle, the first mixture is continuously stirred and mixed for 1 to 2 hours at the rotating speed of 500-1000 min to obtain a second mixture, the catalyst and the water-based adhesion auxiliary agent are mixed together, the mixture is continuously stirred for 30 to 50 minutes to obtain a third mixture, the adhesion of a coating and a metal substrate is obviously improved under the action of the water-based adhesion auxiliary agent, the flexibility of the coating is improved, the crosslinking density of the coating is promoted, the coating has wet and heat resistance, and finally, after the defoaming agent, the curing agent and the film forming agent are added into the obtained third mixture, the coating has the advantages of strong adhesion to metal, good flexibility of a coating film, high crosslinking density, excellent chemical corrosion resistance and excellent heat resistance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The water-based silicon-modified polyester coiled aluminum coating is characterized by comprising the following components in parts by mass: 45-50 parts of water-based silicon modified polyester, 1-3 parts of modified silica aerogel, 15-20 parts of water, 3-5 parts of a coloring agent, 4-6 parts of amino resin, 5-8 parts of rosin, 8-10 parts of a flatting agent, 1-3 parts of a cosolvent, 4-5 parts of a catalyst, 0.2-0.5 part of a defoaming agent, 4-7 parts of a curing agent, 6-8 parts of a film forming agent and 1-3 parts of a water-based adhesive force auxiliary agent.
2. The water-based silicon-modified polyester aluminum coil coating as claimed in claim 1, wherein the modified silica gel is prepared by mixing and stirring boric acid microparticles and ionized water, and the modified silica gel is a wet gel.
3. The water-based silicon-modified polyester coil aluminum coating as claimed in claim 1, wherein the colorant is at least one of iron oxide red, titanium dioxide, iron oxide red, iron oxide yellow, phthalocyanine blue, phthalocyanine green, permanent violet, and precipitated barium sulfate.
4. The water-based silicon-modified polyester aluminum coil coating as claimed in claim 1, wherein the amino resin is at least one of fully methylated melamine resin, a mixture of fully methylated melamine resin and partially methylated amino resin, and a mixture of fully methylated melamine resin and high imino methylated melamine resin.
5. The water-based silicon modified polyester coiled aluminum coating as claimed in claim 1, wherein the curing agent is any one of dicyandiamide, polyamine, acid anhydride and polyphenol.
6. The water-based silicon-modified polyester aluminum coil coating as claimed in claim 1, wherein the defoaming agent is aliphatic polyamine or alicyclic polyamine; at least one of low molecular polyamide and modified aromatic amine.
7. The preparation method of the water-based silicon-modified polyester coiled aluminum coating based on the claims 1 to 6 is characterized by comprising the following specific steps of:
1) mixing water-based silicon-modified polyester, amino resin, water, rosin and a catalyst, and continuously stirring and mixing for 2-3 hours to obtain a first mixture;
2) mixing the first mixture, the modified silica gel, the leveling agent and the cosolvent, adding the mixture into a stirring kettle, and continuously stirring and mixing the mixture for 1 to 2 hours at the rotating speed of 500-1000 sec/min to obtain a second mixture;
3) mixing the second mixture, the catalyst and the water-based adhesion promoter together, and continuously stirring for 30-50 minutes to obtain a third mixture;
4) and adding a defoaming agent, a curing agent and a film-forming agent into the obtained third mixture to obtain the water-based silicon modified polyester aluminum coil coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453739.2A CN114672225A (en) | 2022-04-27 | 2022-04-27 | Water-based silicon-modified polyester aluminum coil coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453739.2A CN114672225A (en) | 2022-04-27 | 2022-04-27 | Water-based silicon-modified polyester aluminum coil coating and preparation method thereof |
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| CN114672225A true CN114672225A (en) | 2022-06-28 |
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| CN202210453739.2A Pending CN114672225A (en) | 2022-04-27 | 2022-04-27 | Water-based silicon-modified polyester aluminum coil coating and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385314A (en) * | 2015-12-29 | 2016-03-09 | 佛山市沃特布恩新型材料有限公司 | Water-based white polyester coil coating special for aluminum ceiling finish paint and preparation method of water-based white polyester coil coating |
| CN108084746A (en) * | 2017-12-12 | 2018-05-29 | 新华盛节能科技股份有限公司 | A kind of aerosil coating and preparation method thereof |
| CN110003778A (en) * | 2019-03-22 | 2019-07-12 | 佛山市沃特布恩新型材料有限公司 | One kind is for waterborne polyester white paint in coil coating and preparation method thereof |
| CN113372776A (en) * | 2021-06-21 | 2021-09-10 | 江苏脒诺甫纳米材料有限公司 | Building sun-proof heat-insulating coating and preparation method thereof |
-
2022
- 2022-04-27 CN CN202210453739.2A patent/CN114672225A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385314A (en) * | 2015-12-29 | 2016-03-09 | 佛山市沃特布恩新型材料有限公司 | Water-based white polyester coil coating special for aluminum ceiling finish paint and preparation method of water-based white polyester coil coating |
| CN108084746A (en) * | 2017-12-12 | 2018-05-29 | 新华盛节能科技股份有限公司 | A kind of aerosil coating and preparation method thereof |
| CN110003778A (en) * | 2019-03-22 | 2019-07-12 | 佛山市沃特布恩新型材料有限公司 | One kind is for waterborne polyester white paint in coil coating and preparation method thereof |
| CN113372776A (en) * | 2021-06-21 | 2021-09-10 | 江苏脒诺甫纳米材料有限公司 | Building sun-proof heat-insulating coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 耿平: "《气凝胶节能玻璃原来如此》", 30 April 2017, 中国建材工业出版社 * |
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Application publication date: 20220628 |