CN111234631A - High-tolerance water-based gloss oil for aluminum products and preparation method thereof - Google Patents
High-tolerance water-based gloss oil for aluminum products and preparation method thereof Download PDFInfo
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- CN111234631A CN111234631A CN202010172348.4A CN202010172348A CN111234631A CN 111234631 A CN111234631 A CN 111234631A CN 202010172348 A CN202010172348 A CN 202010172348A CN 111234631 A CN111234631 A CN 111234631A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- 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
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- 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
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Abstract
The invention provides a high-tolerance water-based gloss oil for aluminum materials and a preparation method thereof, wherein the water-based gloss oil comprises the following components in percentage by mass: 35-65% of water-based hydroxyl resin, 8-15% of water-based amino resin, 0.2-1% of defoaming agent, 0.5-2% of wetting agent, 0.6-3% of interface additive, 0.3-2% of adhesion promoter, 0.1-0.5% of preservative and 18-55% of water. The aqueous gloss oil for the high-tolerance aluminum product prepared by the invention is an aqueous baking varnish system, is safe and environment-friendly, has no abnormality after 1000 hours of neutral salt spray, does not pulverize or yellow after 2000 hours of xenon lamp aging, and has smooth and flat coating on the aluminum product with incomplete degreasing and good adhesive force. The water-based gloss oil is used for the continuous coating production of aluminum coils, is used in the field of high decoration, and has wide application prospect.
Description
Technical Field
The invention relates to the technical field of coating materials, in particular to water-based gloss oil for a high-tolerance aluminum product and a preparation method thereof.
Background
Rolling oil is used in the rolling process of the aluminum coiled material, more rolling oil is used in the finish rolling process of the mirror-surface aluminum coiled material, and therefore much grease is left on the surface of the aluminum material. Degreasing treatment is carried out before coating in the later period, if degreasing is not complete, a plurality of coating defects can occur, and particularly, fish eyes, shrinkage cavities, reduced adhesive force and even falling off can occur when the water-based coating is more obvious. If complete degreasing is carried out, the temperature is increased, the time is prolonged, and sufficient water washing is required, so that the energy consumption is increased, and the production efficiency is reduced.
Disclosure of Invention
In order to solve the contradiction existing in the prior art, the invention provides the water-based gloss oil for the aluminum material with high tolerance and the preparation method thereof.
The purpose of the invention is realized by the following technical scheme:
the invention provides a high-tolerance water-based gloss oil for aluminum materials, which comprises the following components in percentage by mass:
preferably, the aqueous hydroxyl resin is one or a mixture of several of aqueous hydroxyl polyester resin, aqueous hydroxyl acrylic resin, aqueous hydroxyl polyurethane resin and aqueous hydroxyl alkyd resin.
Preferably, the aqueous amino resin is one or a mixture of several of methylated melamine resin, polymerized partially methylated melamine resin and polymerized high imino group hypermethylated melamine resin.
The invention can obtain the water-based gloss oil as the baking varnish by reacting the hydroxyl and the amino in the hydroxyl-containing resin and the amino-containing resin. If the corresponding resin without hydroxyl or amino is used, the reaction cannot be realized to obtain the aqueous gloss oil of the invention.
Preferably, the defoaming agent is one or a compound mixture of several of an organic silicon defoaming agent, a mineral oil type defoaming agent and higher alcohol.
Preferably, the wetting agent is one or a compound mixture of several of a silicone wetting agent, an acrylic wetting agent, a fluorocarbon wetting agent and an acetylene glycol wetting agent.
Preferably, the interfacial agent is one or a compound mixture of sorbitan trioleate, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and octyl phenol polyoxyethylene ether.
Preferably, the adhesion promoter is one or a compound mixture of epoxy silane, amino silane or oligomer or modifier thereof.
Preferably, the preservative is one or a compound mixture of CMIT, MIT and BIT.
The invention also provides a preparation method of the water-based gloss oil for the high-tolerance aluminum material, which comprises the following steps:
weighing the components according to the weight percentage, mixing, and uniformly stirring to obtain the water-based gloss oil for the high-tolerance aluminum product.
Compared with the prior art, the invention has the following beneficial effects:
the aqueous gloss oil for the high-tolerance aluminum product prepared by the invention is an aqueous baking varnish system, is safe and environment-friendly, has no abnormality after 1000 hours of neutral salt spray, does not pulverize or yellow after 2000 hours of xenon lamp aging, and has smooth and flat coating on the aluminum product with incomplete degreasing and good adhesive force. The water-based gloss oil is used for the continuous coating production of aluminum coils, is used in the field of high decoration, and has wide application prospect.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of the action principle of the aqueous gloss oil for the high-tolerance aluminum material prepared by the invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
A high-tolerance water-based gloss oil for aluminum materials and a preparation method thereof comprise the following steps:
(1) the preparation raw materials comprise, by weight, ① parts of water-based hydroxy acrylic resin (model: BLJ6102)43 parts of ② parts of polymerized partially methylated melamine resin (model: CYMEL 325)10 parts of ③ parts of higher alcohol defoamer (3-heptanol) 0.5 parts of ④ parts of acetylene glycol wetting agent 1 parts of ⑤ parts of octyl phenol polyoxyethylene ether 0.6 parts of ⑥ parts of amino silane 0.6 parts of ⑦ BIT0.2 parts of ⑧ parts of deionized water 44.1 parts of raw materials.
(2) The preparation process comprises the steps of sequentially adding the component ⑧ into a reaction kettle, slowly stirring for 10 minutes, then adding the component ④, and continuously stirring for 20 minutes to obtain the coating.
(3) The construction method comprises the following steps: spray coating and roller coating can be adopted, and the drying condition is that the drying is carried out at 120-180 ℃ for 5-30 minutes.
EXAMPLE 2
A high-tolerance water-based gloss oil for aluminum materials and a preparation method thereof comprise the following steps:
(4) the preparation raw materials comprise, by weight, ① parts of waterborne hydroxyl polyurethane resin (model is PU461), ② parts of polymerized partially methylated melamine resin (model is CYMEL 325)12 parts of ③ parts of higher alcohol defoamer (3-heptanol) 0.5 parts of ④ parts of fluorocarbon wetting agent 0.5 parts of ⑤ parts of sorbitan trioleate, ⑥ parts of epoxy silane oligomer 1 parts of ⑦ BIT0.2 parts of ⑧ parts of deionized water 29.2 parts of the raw materials.
(5) The preparation process comprises the steps of sequentially adding the component ⑧ into a reaction kettle, slowly stirring for 10 minutes, then adding the component ④, and continuously stirring for 20 minutes to obtain the coating.
The construction method comprises the following steps: spray coating and roller coating can be adopted, and the drying condition is that the drying is carried out at 120-180 ℃ for 5-30 minutes.
Example 3
A high-tolerance water-based gloss oil for aluminum materials and a preparation method thereof comprise the following steps:
(6) the preparation raw materials comprise, by weight, 35% of ① aqueous hydroxyl polyester resin (model: KN8245W), 15% of ② methylated melamine resin (model: CYMEL 303), 0.2% of ③ organic silicon defoamer (model: MOUSSEX S8044), 0.5% of ④ acetylene glycol wetting agent, 3% of ⑤ sodium dodecyl benzene sulfonate, 2% of ⑥ aminosilane, 0.1% of ⑦ BIT and 44.2% of ⑧ deionized water.
(7) The preparation process comprises the steps of sequentially adding the component ⑧ into a reaction kettle, slowly stirring for 10 minutes, then adding the component ④, and continuously stirring for 20 minutes to obtain the coating.
(8) The construction method comprises the following steps: spray coating and roller coating can be adopted, and the drying condition is that the drying is carried out at 120-180 ℃ for 5-30 minutes.
Example 4
A high-tolerance water-based gloss oil for aluminum materials and a preparation method thereof comprise the following steps:
(9) the preparation raw materials comprise, by weight, ① parts of waterborne hydroxy alkyd resin (model: FX-W6001)65 parts, ② parts of polymeric high imino methylated melamine resin (model: CYMEL 327)8 parts, ③ parts of higher alcohol defoamer (3-heptanol) 1 part, ④ parts of acetylene glycol wetting agent 2 parts, ⑤ parts of sorbitan trioleate 2 parts, ⑥ parts of amino silane 0.3 parts, ⑦ parts of BIT 0.5 parts and ⑧ parts of deionized water 21.2 parts.
(10) The preparation process comprises the steps of sequentially adding the component ⑧ into a reaction kettle, slowly stirring for 10 minutes, then adding the component ④, and continuously stirring for 20 minutes to obtain the coating.
(11) The construction method comprises the following steps: spray coating and roller coating can be adopted, and the drying condition is that the drying is carried out at 120-180 ℃ for 5-30 minutes.
Comparative example 1
This comparative example is essentially the same as example 1 except that: the content of the aqueous hydroxyl polyester resin used in this comparative example was 48% and the content of the polymeric partially methylated melamine resin was 5%.
Comparative example 2
This comparative example is essentially the same as example 2, except that: the content of the aqueous hydroxyl polyester resin used in this comparative example was 51% and the content of the polymeric partially methylated melamine resin was 17%.
Effect verification:
the aqueous gloss oil prepared in the above examples and comparative examples is coated on the surface of the aluminum material with residual grease, and the obtained coating is subjected to surface defect and other performance detection, wherein the specific detection method comprises the following steps:
surface defects: visual inspection of
The salt spray resistance is measured by a GB/T10125-;
the aging resistance is measured by a GB/T1865-;
the coating adhesion was determined by the GB/T9286-1998 method.
The results are shown in the following table:
the action principle of the water-based gloss oil for the high-tolerance aluminum material prepared by the invention is shown in figure 1, after the water-based gloss oil is coated on the aluminum material with residual grease, according to the interface theory of a surfactant, an interface additive in the coating can be rapidly enriched at an oil-water interface, and the grease is pulled into the coating. The interface assistant adopted by the invention is a surfactant, one end of the interface assistant is hydrophilic, the other end of the interface assistant is oleophilic, when the interface assistant is in an aqueous coating, the oleophilic end can be close to bundling glue or be dissociated in the aqueous coating, when the interface assistant is coated on the surface of an aluminum material containing grease, the oleophilic end can be combined with the grease, and the hydrophilic end still tends to remain in an aqueous system, so that the grease can be pulled into the coating, and the macroscopic expression is that no fish eye and no shrinkage cavity exist.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (9)
1. The water-based gloss oil for the high-tolerance aluminum product is characterized by comprising the following components in percentage by mass:
2. the water-based varnish for the aluminum material with high tolerance of claim 1, wherein the water-based hydroxyl resin is one or a mixture of water-based hydroxyl polyester resin, water-based hydroxyl acrylic resin, water-based hydroxyl polyurethane resin and water-based hydroxyl alkyd resin.
3. The water-based gloss oil for the high-tolerance aluminum material as claimed in claim 1, wherein the water-based amino resin is one or a mixture of several of methylated melamine resin, polymeric partially methylated melamine resin and polymeric high imino group methylated melamine resin.
4. The water-based varnish for the aluminum material with high tolerance as claimed in claim 1, wherein the defoaming agent is one or a compound mixture of several of silicone defoaming agent, mineral oil type defoaming agent and higher alcohol.
5. The water-based gloss oil for the high-tolerance aluminum material as claimed in claim 1, wherein the wetting agent is one or a compound mixture of a plurality of silicone wetting agents, acrylic wetting agents, fluorocarbon wetting agents and acetylene glycol wetting agents.
6. The water-based gloss oil for the high-tolerance aluminum product as claimed in claim 1, wherein the interfacial agent is one or a compound mixture of sorbitan trioleate, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and octyl phenol polyoxyethylene ether.
7. The water base gloss oil for the high-tolerance aluminum material as claimed in claim 1, wherein the adhesion promoter is one or a compound mixture of epoxy silane, amino silane or oligomer or modification thereof.
8. The aqueous gloss oil for high-tolerance aluminum materials as claimed in claim 1, wherein the preservative is one or a compound mixture of CMIT, MIT and BIT.
9. The preparation method of the water-based gloss oil for the high-tolerance aluminum material as recited in any one of claims 1 to 8, is characterized by comprising the following steps:
weighing the components according to the weight percentage, mixing, and uniformly stirring to obtain the water-based gloss oil for the high-tolerance aluminum product.
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| CN202010172348.4A CN111234631B (en) | 2020-03-12 | 2020-03-12 | High-tolerance water-based gloss oil for aluminum products and preparation method thereof |
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| CN202010172348.4A CN111234631B (en) | 2020-03-12 | 2020-03-12 | High-tolerance water-based gloss oil for aluminum products and preparation method thereof |
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| CN111234631B CN111234631B (en) | 2022-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554766A (en) * | 2023-03-07 | 2023-08-08 | 佛山市儒林化工有限公司 | High-solid-content low-energy-consumption environment-friendly water-based gloss oil and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756496A (en) * | 2014-01-21 | 2014-04-30 | 繁昌县朱氏印务有限责任公司 | Environment-friendly printed matter oil polish |
| CN104263146A (en) * | 2014-09-02 | 2015-01-07 | 英德市雅家涂料有限公司 | Water-soluble electroplating glazing oil and manufacturing method thereof |
| CN109504213A (en) * | 2018-10-23 | 2019-03-22 | 杭州方周科技有限公司 | A kind of aqueous automobile finishing coat and preparation method thereof |
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2020
- 2020-03-12 CN CN202010172348.4A patent/CN111234631B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756496A (en) * | 2014-01-21 | 2014-04-30 | 繁昌县朱氏印务有限责任公司 | Environment-friendly printed matter oil polish |
| CN104263146A (en) * | 2014-09-02 | 2015-01-07 | 英德市雅家涂料有限公司 | Water-soluble electroplating glazing oil and manufacturing method thereof |
| CN109504213A (en) * | 2018-10-23 | 2019-03-22 | 杭州方周科技有限公司 | A kind of aqueous automobile finishing coat and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554766A (en) * | 2023-03-07 | 2023-08-08 | 佛山市儒林化工有限公司 | High-solid-content low-energy-consumption environment-friendly water-based gloss oil and preparation method thereof |
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