CN110591487A - Water-based baking varnish stainless steel gold oil and preparation method thereof - Google Patents
Water-based baking varnish stainless steel gold oil and preparation method thereof Download PDFInfo
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- CN110591487A CN110591487A CN201910926598.XA CN201910926598A CN110591487A CN 110591487 A CN110591487 A CN 110591487A CN 201910926598 A CN201910926598 A CN 201910926598A CN 110591487 A CN110591487 A CN 110591487A
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- water
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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
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to the technical field of coatings, and particularly relates to water-based baking varnish stainless steel gold oil and a preparation method thereof. Wherein, the water-based acrylic resin has high hardness and good adherence; the water-based amino resin has good water solubility, good flexibility, low reaction temperature and high crosslinking degree; therefore, the water-based baking varnish stainless steel gold oil has the advantages of excellent adhesion and no paint drop and paint removal through the synergistic effect of the components. The prepared water-based baking varnish stainless steel gold oil has the advantages of low smell, alcohol resistance, good acid and alkali resistance, bending resistance and excellent impact resistance, and has excellent adhesion to most metal products, particularly stainless steel products, and high gold oil glossiness. The preparation method of the water-based baking varnish stainless steel gold oil has the characteristics of simple process, low production cost and suitability for large-scale production.
Description
Technical Field
The invention relates to the technical field of coatings, and particularly relates to water-based baking varnish stainless steel gold oil and a preparation method thereof.
Background
The water-based baking varnish does not contain benzene and other harmful solvents and free TDI; the construction is simple and convenient, and common defects of the oil paint such as bubbles, particles and the like are not easy to appear; the paint film is plump, tough, non-yellowing, excellent in water resistance and non-burning; rust prevention and high temperature resistance; can be applied with other paints such as emulsion paint and the like at the same time. Therefore, in recent years, water has been usedThe replacement of oily industrial paints by industrial paints is gradually progressing. Many stainless steel products are in daily life. Because the hard oxide skin is generated after the plate rolling, edge binding, welding or manual surface processing fire baking high-temperature treatment in the processing process, the main component of the hard oxide skin is NiCr2O4NIF two EO4And (3) components. The oxide scale reduces the erosive power of a solvent in the oil baking paint for the low-VOC water-based baking paint, and the problems of poor adhesion, paint falling and paint removal frequently occur when some stainless steel products in daily life are coated with the water-based paint.
Disclosure of Invention
The invention aims to provide water-based baking varnish stainless steel gold oil which has the advantages of excellent adhesion and no paint drop and paint removal, aiming at the defects of the prior art.
The second purpose of the invention is to provide a preparation method of water-based baking varnish stainless steel gold oil aiming at the defects of the prior art.
In order to achieve one of the purposes, the invention adopts the following technical scheme:
the water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
preferably, the water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
more preferably, the water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
the water-based acrylic resin is an aqueous solution of acrylic resin, and the solid content of the water-based acrylic resin is 35-45%.
The water-based amino resin is water-based methyl etherified resin, and the solid content of the water-based amino resin is 88-92%.
The aqueous amine neutralizer is diammine dimethyl monoalcohol;
the thickening agent is an associated polyurethane thickening agent;
the defoaming agent is one or a composition of two of a water-based organic silicon defoaming agent and a mineral oil defoaming agent;
the wetting and leveling agent is water-based polyether modified siloxane;
the film-forming assistant is one or a composition of two of propylene glycol methyl ether and ethylene glycol monobutyl ether.
In order to achieve the second purpose, the invention adopts the following technical scheme:
the preparation method of the water-based baking varnish stainless steel gold oil comprises the following steps:
step one, preparing a first mixture: adding a formula amount of water-based acrylic resin and a water-based amine neutralizer into a container, and stirring and mixing for a certain time at a certain rotating speed to obtain a first mixture;
step two, preparing a second mixture: adding the defoaming agent and the wetting and leveling agent in the formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing for a certain time at a certain rotating speed to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing the mixture for a certain time at a certain rotating speed, adding the thickener according to the formula amount, and stirring and mixing the mixture for a certain time at a certain rotating speed to obtain the water-based baking varnish stainless steel gold oil.
In the technical scheme, in the first step, the mixture is stirred and mixed for 3-8 min at the rotating speed of 550-650 rpm to obtain a first mixture.
In the above technical scheme, in the second step, the mixture is stirred and mixed for 5min to 15min at a rotation speed of 550rpm to 650rpm to obtain a second mixture.
In the technical scheme, in the third step, the film-forming assistant and water in the formula amount are mixed and then added into the second mixture obtained in the second step, the mixture is stirred and mixed for 3min to 8min at the rotating speed of 550rpm to 650rpm, the thickener in the formula amount is added, and then the mixture is stirred and mixed for 5min to 15min at the rotating speed of 550rpm to 650rpm, so that the water-based baking varnish stainless steel gold oil is prepared.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides water-based baking varnish stainless steel gold oil which comprises water-based acrylic resin, water-based amino resin, a water-based amine neutralizer, a thickening agent, a defoaming agent, a wetting and leveling agent, a film-forming auxiliary agent and water. Wherein, the water-based acrylic resin has high hardness and good adherence; the water-based amino resin has good water solubility, good flexibility, low reaction temperature and high crosslinking degree; therefore, the water-based baking varnish stainless steel gold oil has the advantages of excellent adhesion and no paint drop and paint removal through the synergistic effect of the components. The prepared water-based baking varnish stainless steel gold oil has the advantages of low smell, alcohol resistance, good acid and alkali resistance, bending resistance and excellent impact resistance, and has excellent adhesion to most metal products, particularly stainless steel products, and high gold oil glossiness.
(2) The preparation method of the water-based baking varnish stainless steel gold oil provided by the invention has the characteristics of simple process, low production cost and suitability for large-scale production.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1.
The water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
the aqueous acrylic resin is an aqueous solution of acrylic resin, and in this example, the solid content of the aqueous acrylic resin is 40%.
The aqueous amino resin is an aqueous methyl etherified resin, and in this example, the solid content of the aqueous amino resin is 90%.
Wherein the aqueous amine neutralizer is diammine dimethyl monoalcohol.
Wherein the thickener is associative polyurethane thickener.
In this example, the defoamer was a water-based silicone defoamer.
Wherein, the wetting and leveling agent is water-based polyether modified siloxane.
In this example, the film-forming assistant was propylene glycol methyl ether.
The preparation method of the water-based baking varnish stainless steel gold oil comprises the following steps:
step one, preparing a first mixture: adding the water-based acrylic resin and the water-based amine neutralizer with the formula amount into a container, and then stirring and mixing at the rotating speed of 600rpm for 5min to obtain a first mixture;
step two, preparing a second mixture: adding a defoaming agent and a wetting leveling agent in a formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing at the rotating speed of 600rpm for 10min to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing the mixture for 5min at the rotating speed of 600rpm, adding the thickener according to the formula amount, and stirring and mixing the mixture for 10min at the rotating speed of 600rpm to obtain the water-based baking varnish stainless steel gold oil.
Example 2.
The water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
the aqueous acrylic resin is an aqueous solution of acrylic resin, and in this example, the solid content of the aqueous acrylic resin is 35%.
The aqueous amino resin is an aqueous methyl etherified resin, and in this example, the solid content of the aqueous amino resin is 88%.
Wherein the aqueous amine neutralizer is diammine dimethyl monoalcohol.
Wherein the thickener is associative polyurethane thickener.
In this example, the defoamer is a mineral oil defoamer.
Wherein, the wetting and leveling agent is water-based polyether modified siloxane.
In this example, the film-forming additive was ethylene glycol monobutyl ether.
The preparation method of the water-based baking varnish stainless steel gold oil comprises the following steps:
step one, preparing a first mixture: adding the water-based acrylic resin and the water-based amine neutralizer with the formula amount into a container, and then stirring and mixing for 8min at the rotating speed of 550rpm to obtain a first mixture;
step two, preparing a second mixture: adding a defoaming agent and a wetting leveling agent in a formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing at the rotating speed of 550rpm for 15min to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing the mixture for 8min at the rotating speed of 550rpm, adding the thickener according to the formula amount, and stirring and mixing the mixture for 15min at the rotating speed of 550rpm to obtain the water-based baking varnish stainless steel gold oil.
Example 3.
The water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
the aqueous acrylic resin is an aqueous solution of acrylic resin, and in this example, the solid content of the aqueous acrylic resin is 45%.
The aqueous amino resin is an aqueous methyl etherified resin, and in this example, the solid content of the aqueous amino resin is 92%.
Wherein the aqueous amine neutralizer is diammine dimethyl monoalcohol.
Wherein the thickener is associative polyurethane thickener.
In this example, the defoamer is a combination of a water-based silicone defoamer and a mineral oil defoamer.
Wherein, the wetting and leveling agent is water-based polyether modified siloxane.
In this example, the film-forming additive was a composition of propylene glycol methyl ether and ethylene glycol monobutyl ether.
The preparation method of the water-based baking varnish stainless steel gold oil comprises the following steps:
step one, preparing a first mixture: adding the water-based acrylic resin and the water-based amine neutralizer with the formula amount into a container, and then stirring and mixing at the rotating speed of 650rpm for 3min to obtain a first mixture;
step two, preparing a second mixture: adding a defoaming agent and a wetting leveling agent in a formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing at the rotating speed of 650rpm for 5min to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing the mixture for 3min at the rotating speed of 650rpm, adding the thickener according to the formula amount, and stirring and mixing the mixture for 5min at the rotating speed of 650rpm to obtain the water-based baking varnish stainless steel gold oil.
Example 4.
The water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
the aqueous acrylic resin is an aqueous solution of acrylic resin, and in this example, the solid content of the aqueous acrylic resin is 38%.
The aqueous amino resin is an aqueous methyl etherified resin, and in this example, the solid content of the aqueous amino resin is 89%.
Wherein the aqueous amine neutralizer is diammine dimethyl monoalcohol.
Wherein the thickener is associative polyurethane thickener.
In this example, the defoamer was a water-based silicone defoamer.
Wherein, the wetting and leveling agent is water-based polyether modified siloxane.
In this example, the film-forming assistant was propylene glycol methyl ether.
The preparation method of the water-based baking varnish stainless steel gold oil comprises the following steps:
step one, preparing a first mixture: adding the aqueous acrylic resin and the aqueous amine neutralizer with the formula amount into a container, and then stirring and mixing for 7min at the rotating speed of 580rpm to obtain a first mixture;
step two, preparing a second mixture: adding a defoaming agent and a wetting leveling agent in a formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing at the rotating speed of 580rpm for 12min to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing for 7min at the rotating speed of 580rpm, adding the thickener according to the formula amount, and stirring and mixing for 12min at the rotating speed of 580rpm to obtain the water-based baking varnish stainless steel gold oil.
Example 5.
The water-based baking varnish stainless steel gold oil comprises the following raw materials in percentage by weight:
the aqueous acrylic resin is an aqueous solution of acrylic resin, and in this example, the solid content of the aqueous acrylic resin is 42%.
The aqueous amino resin is an aqueous methyl etherified resin, and in this example, the solid content of the aqueous amino resin is 91%.
Wherein the aqueous amine neutralizer is diammine dimethyl monoalcohol.
Wherein the thickener is associative polyurethane thickener.
In this example, the defoamer is a mineral oil defoamer.
Wherein, the wetting and leveling agent is water-based polyether modified siloxane.
In this example, the film-forming additive was ethylene glycol monobutyl ether.
The preparation method of the water-based baking varnish stainless steel gold oil comprises the following steps:
step one, preparing a first mixture: adding the water-based acrylic resin and the water-based amine neutralizer with the formula amount into a container, and then stirring and mixing for 4min at the rotating speed of 620rpm to obtain a first mixture;
step two, preparing a second mixture: adding a defoaming agent and a wetting leveling agent in a formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing at the rotating speed of 620rpm for 8min to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing for 4min at the rotating speed of 620rpm, adding the thickener according to the formula amount, and stirring and mixing for 8min at the rotating speed of 620rpm to obtain the water-based baking varnish stainless steel gold oil.
And (5) testing the performance.
The following performance tests were performed on the water-based baking finish stainless steel golden oil prepared in example 1, and the test results are shown in table 1.
Table 1 comparative table of performance test
As can be seen from the test data in Table 1, the water-based baking finish stainless steel gold oil prepared by the method has the advantages of good adhesion, leveling property, fullness, scratch resistance, hardness, alcohol resistance, impact resistance, bending resistance, acid and alkali resistance, acid and salt fog resistance and boiling resistance, and thus the water-based baking finish stainless steel gold oil has the advantages of good adhesion and no paint dropping and paint stripping.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The water-based baking varnish stainless steel gold oil is characterized in that: the material comprises the following raw materials in percentage by weight:
2. the water-based baking varnish stainless steel gold oil as claimed in claim 1, wherein: the material comprises the following raw materials in percentage by weight:
3. the water-based baking varnish stainless steel gold oil as claimed in claim 1, wherein: the material comprises the following raw materials in percentage by weight:
4. the water-based baking varnish stainless steel gold oil as claimed in claim 1, wherein: the water-based acrylic resin is an aqueous solution of acrylic resin, and the solid content of the water-based acrylic resin is 35-45%.
5. The water-based baking varnish stainless steel gold oil as claimed in claim 1, wherein: the water-based amino resin is water-based methyl etherified resin, and the solid content of the water-based amino resin is 88-92%.
6. The water-based baking varnish stainless steel gold oil as claimed in claim 1, wherein: the aqueous amine neutralizer is diammine dimethyl monoalcohol;
the thickening agent is an associated polyurethane thickening agent;
the defoaming agent is one or a composition of two of a water-based organic silicon defoaming agent and a mineral oil defoaming agent;
the wetting and leveling agent is water-based polyether modified siloxane;
the film-forming assistant is one or a composition of two of propylene glycol methyl ether and ethylene glycol monobutyl ether.
7. The method for preparing the water-based baking varnish stainless steel gold oil according to any one of claims 1 to 6, characterized in that: it comprises the following steps:
step one, preparing a first mixture: adding a formula amount of water-based acrylic resin and a water-based amine neutralizer into a container, and stirring and mixing for a certain time at a certain rotating speed to obtain a first mixture;
step two, preparing a second mixture: adding the defoaming agent and the wetting and leveling agent in the formula amount into the first mixture obtained in the step one, then adding the aqueous amino resin under the stirring condition, and then stirring and mixing for a certain time at a certain rotating speed to obtain a second mixture;
step three, preparing a product: and (3) mixing the film-forming aid and water according to the formula amount, adding the mixture into the second mixture obtained in the step two, stirring and mixing the mixture for a certain time at a certain rotating speed, adding the thickener according to the formula amount, and stirring and mixing the mixture for a certain time at a certain rotating speed to obtain the water-based baking varnish stainless steel gold oil.
8. The preparation method of the water-based baking varnish stainless steel gold oil according to claim 7, characterized in that: in the first step, stirring and mixing are carried out for 3min to 8min at the rotating speed of 550rpm to 650rpm, and a first mixture is obtained.
9. The preparation method of the water-based baking varnish stainless steel gold oil according to claim 7, characterized in that: and in the second step, stirring and mixing for 5-15 min at the rotating speed of 550-650 rpm to obtain a second mixture.
10. The preparation method of the water-based baking varnish stainless steel gold oil according to claim 7, characterized in that: and in the third step, the film-forming assistant and water in the formula amount are mixed and then added into the second mixture obtained in the second step, the mixture is stirred and mixed for 3min to 8min at the rotating speed of 550rpm to 650rpm, the thickener in the formula amount is added, and then the mixture is stirred and mixed for 5min to 15min at the rotating speed of 550rpm to 650rpm, so that the water-based baking varnish stainless steel gold oil is prepared.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104293029A (en) * | 2014-09-24 | 2015-01-21 | 安徽省中彩印务有限公司 | Water-based gloss oil and preparation method thereof |
| CN109096856A (en) * | 2018-07-20 | 2018-12-28 | 惠州市长冠涂料有限公司 | A kind of aqueous plating gloss oil of the dry high salt spray resistance of low-temperature bake |
| CN110183921A (en) * | 2019-06-21 | 2019-08-30 | 东莞大宝化工制品有限公司 | A kind of aqueous polishes of salt spray resistance of metal erosion material and preparation method thereof |
-
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- 2019-09-27 CN CN201910926598.XA patent/CN110591487A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293029A (en) * | 2014-09-24 | 2015-01-21 | 安徽省中彩印务有限公司 | Water-based gloss oil and preparation method thereof |
| CN109096856A (en) * | 2018-07-20 | 2018-12-28 | 惠州市长冠涂料有限公司 | A kind of aqueous plating gloss oil of the dry high salt spray resistance of low-temperature bake |
| CN110183921A (en) * | 2019-06-21 | 2019-08-30 | 东莞大宝化工制品有限公司 | A kind of aqueous polishes of salt spray resistance of metal erosion material and preparation method thereof |
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