CN114921157A - Water-based polyester coil steel coating and preparation method thereof - Google Patents
Water-based polyester coil steel coating and preparation method thereof Download PDFInfo
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- CN114921157A CN114921157A CN202210762687.7A CN202210762687A CN114921157A CN 114921157 A CN114921157 A CN 114921157A CN 202210762687 A CN202210762687 A CN 202210762687A CN 114921157 A CN114921157 A CN 114921157A
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- coil steel
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000000576 coating method Methods 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 229920000728 polyester Polymers 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229920001225 polyester resin Polymers 0.000 claims abstract description 19
- 239000004645 polyester resin Substances 0.000 claims abstract description 19
- 229920003180 amino resin Polymers 0.000 claims abstract description 18
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 13
- 239000000080 wetting agent Substances 0.000 claims abstract description 13
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 10
- -1 CADURE-10 Chemical compound 0.000 claims description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 8
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 claims description 4
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 4
- 239000005711 Benzoic acid Substances 0.000 claims description 4
- 239000005639 Lauric acid Substances 0.000 claims description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000001361 adipic acid Substances 0.000 claims description 4
- 235000011037 adipic acid Nutrition 0.000 claims description 4
- 235000010233 benzoic acid Nutrition 0.000 claims description 4
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 150000005846 sugar alcohols Polymers 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 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
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a water-based polyester coil steel coating which is prepared from the following raw materials in parts by weight: 55-65 parts of water-based polyester resin, 10-15 parts of water-based amino resin, 1-2 parts of neutralizing agent, 20-30 parts of color paste, 8-10 parts of filler, 0.4-0.6 part of dispersing agent, 0.5-0.8 part of wetting agent, 0.3-0.5 part of defoaming agent and 30-40 parts of deionized water. The water-based polyester coil steel coating and the preparation method thereof provided by the invention have the advantages of strong adhesive force, good gloss, baking resistance, excellent weather resistance and aging resistance, high film hardness, good flexibility, environmental protection and the like, and simultaneously the water-based polyester amino coating can also be used for improving the appearance of products such as vehicles, household appliances, light industry and the like, prolonging the service life and has better competitiveness in similar products.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based polyester coil steel coating and a preparation method thereof.
Background
The coil coating is also called precoated coil coating, and is a professional coating which is coated on the surface of a metal plate such as a steel plate or an aluminum plate in a continuous roller coating mode. The coated plate has a flat and smooth surface, can directly bear mechanical processing operations such as bending, cutting, meshing, deep drawing and the like, has excellent performances such as bending resistance, stripping resistance, corrosion resistance, good adhesive force and the like, and can be widely applied to production and use and developed at a high speed.
Because the use environment of the precoated coiled material has higher and higher requirements on the appearance, corrosion resistance, mechanical properties and the like of a coating film, the conventional water-based paint technology cannot well meet the requirements of users. In addition, under the influence of use inertia, if the requirement is not mandatory, general users do not want to give up the stable solvent-based coating system and take a relatively large risk area to change the water-based coil coating, which brings great difficulty to the application and popularization of water-based products. However, in recent years, with the development of economy, the colors, varieties and functions of the coating materials are more and more, and the division of labor is more and more fine, but the environment is greatly polluted due to the emission of a large amount of organic solvents in the manufacturing and construction processes of the coating materials. In order to limit the discharge of organic solvents and solidify and do not have solvent, the attention of people on environmental protection is increasingly emphasized, and the water-based paint has considerable market potential and development opportunity. Based on the statement, the invention provides a water-based paint for a color steel plate and a preparation method thereof.
Disclosure of Invention
The invention aims to solve the problems of insufficient hardness resistance, poor adhesion and insufficient environmental protection of a water-based polyester coil steel coating in the prior art, and provides the water-based polyester coil steel coating and a preparation method thereof.
The water-based polyester coil steel coating comprises the following raw materials in percentage by weight: 55-65 parts of water-based polyester resin, 10-15 parts of water-based amino resin, 1-2 parts of neutralizing agent, 20-30 parts of color paste, 8-10 parts of filler, 0.4-0.6 part of dispersing agent, 0.5-0.8 part of wetting agent, 0.3-0.5 part of defoaming agent and 30-40 parts of deionized water.
Preferably, the weight percentages of the raw materials are as follows: 60 parts of water-based polyester resin, 12 parts of water-based amino resin, 1.5 parts of neutralizing agent, 25 parts of color paste, 8 parts of filler, 0.3 part of catalyst, 0.5 part of dispersing agent, 0.7 part of wetting agent, 0.4 part of defoaming agent and 30 parts of deionized water.
Preferably, the weight percentages of the raw materials are as follows: 65 parts of water-based polyester resin, 15 parts of water-based amino resin, 2 parts of neutralizer, 30 parts of color paste, 8 parts of filler, 0.4 part of catalyst, 0.6 part of dispersing agent, 0.8 part of wetting agent, 0.5 part of defoaming agent and 40 parts of deionized water.
Preferably, the amino resin is linear amino resin with a relative molecular mass of 3000-7000.
Preferably, the water-based polyester coil steel coating is characterized in that the catalyst is a closed catalyst.
The invention also provides a preparation method of the water-based polyester coil steel coating, which comprises the following steps:
(1) preparation of the waterborne polyester resin: sequentially adding polybasic acid such as neopentyl glycol, methyl propylene glycol, lauric acid, adipic acid, dicarboxylic acid, hexahydrophthalic anhydride, CADURE-10, benzoic acid, l, 6-hexanediol and the like and polyhydric alcohol into a reaction kettle with a thermometer, a stirrer and a condenser according to the formula amount, slowly heating until the materials are melted, starting stirring, controlling the heating speed of the materials to slowly carry out the reaction, controlling the final temperature to be (230 +/-5) DEG C, and keeping the temperature until the acid value reaches 50-70 mgKOH/g; cooling to below 80 deg.C, adding appropriate amount of ethylene glycol monobutyl ether and butanol; cooling to below 50 ℃, neutralizing with DMAE amine neutralizer, fully stirring, adding a proper amount of deionized water to adjust the solid content to about 50%, uniformly stirring, discharging and filtering to obtain water-soluble polyester resin for later use;
(2) mixing the waterborne polyester and the amino resin in the step (1), stirring by using a magnetic stirrer, uniformly stirring at a low speed (1000r/min), and adding a neutralizer to obtain a mixture I; then adding a filler, increasing the revolution to 2500r/min, stirring for 30min, stopping the machine, adding the color paste (the fineness is less than or equal to 10 mu m) ground by a sand mill, rotating at about 1500, stirring for 10min, then adding a dispersing agent and a wetting agent into the mixed solution according to the amount, continuously stirring uniformly, generating more bubbles in the process, adding an antifoaming agent, increasing the rotating speed to 2000r/min, stirring for 15min, waiting for the bubbles to be eliminated, then reducing the speed to 1200r/min, and adding deionized water for dilution to obtain the water-based polyester coil steel coating.
Preferably, the construction method of the water-based polyester coil steel coating is characterized in that the coating paint is coated and baked at 250-280 ℃ for 35-100 seconds.
Preferably, the method for applying the water-based polyester coil steel coating according to claim 6, wherein the coating paint is applied to a thickness of 8-15 μm.
Compared with the prior art, the invention has the beneficial effects that:
according to the water-based polyester coil steel coating and the preparation method thereof, after the water-based polyester resin and the linear amino resin with the relative molecular mass of 3000-7000 are synthesized and cured at a certain temperature, a coating film has high flexibility and good adhesive force to a metal substrate, the high-temperature baking stability, the chemical resistance and the weather resistance are good, and the performance index reaches the level of similar products.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention discloses a water-based polyester coil steel coating which is prepared from the following raw materials in parts by weight: 60 parts of water-based polyester resin, 12 parts of water-based amino resin, 1.5 parts of neutralizer, 25 parts of color paste, 8 parts of filler, 0.3 part of catalyst, 0.5 part of dispersing agent, 0.7 part of wetting agent, 0.4 part of defoaming agent and 30 parts of deionized water.
The production process comprises the following steps:
(1) preparation of the waterborne polyester resin: sequentially adding polybasic acid such as neopentyl glycol, methyl propylene glycol, lauric acid, adipic acid, dicarboxylic acid, hexahydrophthalic anhydride, CADURE-10, benzoic acid, l, 6-hexanediol and the like and polyhydric alcohol into a reaction kettle with a thermometer, a stirrer and a condenser according to the formula amount, slowly heating until the materials are melted, starting stirring, controlling the heating speed of the materials to slowly carry out the reaction, controlling the final temperature to be (230 +/-5) DEG C, and keeping the temperature until the acid value reaches 50-70 mgKOH/g; cooling to below 80 deg.C, adding appropriate amount of ethylene glycol monobutyl ether and butanol; cooling to below 50 ℃, neutralizing with DMAE amine neutralizer, fully stirring, adding a proper amount of deionized water to adjust the solid content to about 50%, uniformly stirring, discharging and filtering to obtain the water-soluble polyester resin for later use.
(2) Mixing the waterborne polyester and the amino resin in the step (1), stirring by using a magnetic stirrer, uniformly stirring at a low speed (1000r/min), and adding a neutralizer to obtain a mixture I; then adding a filler, increasing the revolution to 2500r/min, stirring for 30min, stopping the machine, adding the color paste (the fineness is less than or equal to 10 mu m) ground by a sand mill, rotating at about 1500, stirring for 10min, then adding a dispersing agent and a wetting agent into the mixed solution according to the amount, continuously stirring uniformly, generating more bubbles in the process, adding an antifoaming agent, increasing the rotating speed to 2000r/min, stirring for 15min, waiting for the bubbles to be eliminated, then reducing the speed to 1200r/min, and adding deionized water for dilution to obtain the water-based polyester coil steel coating.
In the invention, the coating paint is coated and baked for 35 to 100 seconds at 250 to 280 ℃, and the coating thickness of the coating paint is 8 to 15 mu m
Example two
The invention discloses a water-based polyester coil steel coating, which comprises, by weight, 60 parts of water-based polyester resin, 12 parts of water-based amino resin, 1.5 parts of a neutralizing agent, 25 parts of color paste, 8 parts of a filler, 0.3 part of a catalyst, 0.5 part of a dispersing agent, 0.7 part of a wetting agent, 0.4 part of an antifoaming agent and 30 parts of deionized water.
The production process comprises the following steps:
(1) preparation of the waterborne polyester resin: sequentially adding polybasic acid such as neopentyl glycol, methyl propylene glycol, lauric acid, adipic acid, dicarboxylic acid, hexahydrophthalic anhydride, CADURE-10, benzoic acid, l, 6-hexanediol and the like and polyhydric alcohol into a reaction kettle with a thermometer, a stirrer and a condenser according to the formula amount, slowly heating until the materials are melted, starting stirring, controlling the heating speed of the materials to slowly carry out the reaction, controlling the final temperature to be (230 +/-5) DEG C, and keeping the temperature until the acid value reaches 50-70 mgKOH/g; cooling to below 80 deg.C, adding appropriate amount of ethylene glycol monobutyl ether and butanol; cooling to below 50 ℃, neutralizing with DMAE amine neutralizer, fully stirring, adding a proper amount of deionized water to adjust the solid content to about 50%, uniformly stirring, discharging and filtering to obtain water-soluble polyester resin for later use;
(2) mixing the waterborne polyester in the step (1) with amino resin, stirring by using a magnetic stirrer, uniformly stirring at a low speed (1000r/min), and adding a neutralizer to obtain a mixture I; then adding a filler, increasing the revolution to 2500r/min, stirring for 30min, stopping the machine, adding the color paste (the fineness is less than or equal to 10 mu m) ground by a sand mill, rotating at about 1500, stirring for 10min, then adding a dispersing agent and a wetting agent into the mixed solution according to the amount, continuously stirring uniformly, generating more bubbles in the process, adding an antifoaming agent, increasing the rotating speed to 2000r/min, stirring for 15min, waiting for the bubbles to be eliminated, then reducing the speed to 1200r/min, and adding deionized water for dilution to obtain the water-based polyester coil steel coating.
In the invention, the coating paint is coated and baked at 250-280 ℃ for 35-100 seconds, and the coating thickness of the coating paint is 8-15 mu m.
Experiment of
1) The performance of the water-based polyester coil steel coating prepared by the invention is detected
The water-based paint for the color steel plate prepared by the invention is detected according to a plurality of indexes of the color steel coated steel plate and steel strip standard, including a bending test, a cupping test, a lattice test, a pencil hardness test, a glossiness test, an organic solvent resistance test (MEK test) and a salt spray test, and the test results of each group are shown in Table 1.
Table 1:
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The water-based polyester coil steel coating is characterized by comprising the following raw materials in percentage by weight: 55-65 parts of water-based polyester resin, 10-15 parts of water-based amino resin, 1-2 parts of neutralizing agent, 20-30 parts of color paste, 8-10 parts of filler, 0.4-0.6 part of dispersing agent, 0.5-0.8 part of wetting agent, 0.3-0.5 part of defoaming agent and 30-40 parts of deionized water.
2. The water-based polyester coil steel coating as claimed in claim 1, wherein the weight percentage of each raw material is as follows: 60 parts of water-based polyester resin, 12 parts of water-based amino resin, 1.5 parts of neutralizing agent, 25 parts of color paste, 8 parts of filler, 0.3 part of catalyst, 0.5 part of dispersing agent, 0.7 part of wetting agent, 0.4 part of defoaming agent and 30 parts of deionized water.
3. The water-based polyester coil steel coating as claimed in claim 1, wherein the weight percentage of each raw material is as follows: 65 parts of water-based polyester resin, 15 parts of water-based amino resin, 2 parts of neutralizer, 30 parts of color paste, 8 parts of filler, 0.4 part of catalyst, 0.6 part of dispersant, 0.8 part of wetting agent, 0.5 part of defoaming agent and 40 parts of deionized water.
4. The water-based polyester coil steel coating as claimed in any one of claims 1-3, wherein the water-based amino resin is linear amino resin with a relative molecular mass of 3000-7000.
5. The water-based polyester coil steel coating as claimed in claim 2, wherein the catalyst is a blocked catalyst.
6. The preparation method of the water-based polyester coil steel coating is characterized by comprising the following steps of:
(1) preparation of the waterborne polyester resin: adding neopentyl glycol, methyl propylene glycol, lauric acid, adipic acid, dicarboxylic acid, hexahydrophthalic anhydride, CADURE-10, benzoic acid, l, 6-hexanediol and polyhydric alcohol into a reaction kettle with a thermometer, a stirrer and a condenser device according to the formula amount in sequence, slowly heating until the materials are melted, starting stirring, controlling the heating speed of the materials to slowly carry out the reaction, controlling the final temperature to be (230 +/-5) DEG C, and keeping the temperature until the acid value reaches 50-70 mgKOH/g; cooling to below 80 deg.C, adding appropriate amount of ethylene glycol monobutyl ether and butanol; cooling to below 50 ℃, neutralizing with DMAE amine neutralizer, fully stirring, adding a proper amount of deionized water to adjust the solid content to 50%, uniformly stirring, discharging and filtering to obtain waterborne polyester resin for later use;
(2) mixing the waterborne polyester resin obtained in the step (1) with amino resin, stirring by using a magnetic stirrer, uniformly stirring at a low speed (1000r/min), and adding a neutralizer to obtain a mixture I; then adding a filler, increasing the rotating speed to 2500r/min, stirring for 30min, stopping the machine, adding color paste (the fineness is less than or equal to 10 mu m) ground by a sand mill, adjusting the rotating speed to 1500r/min, stirring for 10min, then adding a dispersing agent and a wetting agent into the mixed solution according to the amount, continuously stirring uniformly, adding a defoaming agent if more bubbles are generated in the process, increasing the rotating speed to 2000r/min, stirring for 15min, waiting for the bubbles to be eliminated, then reducing the speed to 1200r/min, and adding deionized water for dilution to obtain the water-based polyester coil steel coating.
7. The construction method of the water-based polyester coil steel coating according to any one of claims 1 to 6, characterized in that the coating is baked at 250 ℃ to 280 ℃ for 35 seconds to 100 seconds after being coated.
8. The method for applying the water-based polyester coil steel coating according to any one of claims 1 to 6, wherein the coating is applied to a thickness of 8 to 15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762687.7A CN114921157A (en) | 2022-06-29 | 2022-06-29 | Water-based polyester coil steel coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210762687.7A CN114921157A (en) | 2022-06-29 | 2022-06-29 | Water-based polyester coil steel coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114921157A true CN114921157A (en) | 2022-08-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210762687.7A Pending CN114921157A (en) | 2022-06-29 | 2022-06-29 | Water-based polyester coil steel coating and preparation method thereof |
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|---|---|
| CN (1) | CN114921157A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002150A (en) * | 2009-08-31 | 2011-04-06 | 无锡市金箭造漆有限公司 | Water-based polyester resin of coil coating and preparation method thereof |
| CN102181220A (en) * | 2011-01-19 | 2011-09-14 | 天津滨新涂料有限公司 | Novel environment-friendly waterborne baking varnish for coiled material |
| CN105542630A (en) * | 2016-01-22 | 2016-05-04 | 立邦工业涂料(上海)有限公司 | Waterborne coil coating polyester rear face paint and preparation method thereof |
| CN109468029A (en) * | 2018-10-24 | 2019-03-15 | 南通科顺建筑新材料有限公司 | A kind of aqueous coil steel coating finishing coat and preparation method thereof |
-
2022
- 2022-06-29 CN CN202210762687.7A patent/CN114921157A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002150A (en) * | 2009-08-31 | 2011-04-06 | 无锡市金箭造漆有限公司 | Water-based polyester resin of coil coating and preparation method thereof |
| CN102181220A (en) * | 2011-01-19 | 2011-09-14 | 天津滨新涂料有限公司 | Novel environment-friendly waterborne baking varnish for coiled material |
| CN105542630A (en) * | 2016-01-22 | 2016-05-04 | 立邦工业涂料(上海)有限公司 | Waterborne coil coating polyester rear face paint and preparation method thereof |
| CN109468029A (en) * | 2018-10-24 | 2019-03-15 | 南通科顺建筑新材料有限公司 | A kind of aqueous coil steel coating finishing coat and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王承伟: "水性聚酯卷材涂料的研制与开发", 《上海涂料》 * |
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Application publication date: 20220819 |