CN113683925B - Quick leveling special-shaped roller coating vacuum coating face oil and preparation method thereof - Google Patents
Quick leveling special-shaped roller coating vacuum coating face oil and preparation method thereof Download PDFInfo
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- CN113683925B CN113683925B CN202110507668.5A CN202110507668A CN113683925B CN 113683925 B CN113683925 B CN 113683925B CN 202110507668 A CN202110507668 A CN 202110507668A CN 113683925 B CN113683925 B CN 113683925B
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- 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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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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
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Abstract
The invention discloses a quick leveling special-shaped roller coating vacuum coating face oil and a preparation method thereof, wherein the quick leveling special-shaped roller coating vacuum coating face oil comprises the following raw materials in parts by weight: 18-26 parts of acrylic resin, 65-74 parts of solvent, 0.8-1.2 parts of thixotropic agent and 6-9 parts of auxiliary agent. The raw materials are matched according to a specific proportion, so that the leveling problem is solved, the color difference is eliminated, the places of edges and edges are well covered, the regular coverage on the special-shaped workpieces can be realized, the prepared surface oil has excellent water resistance and adhesive force, the phenomenon of agglomeration and bottom accumulation is avoided, and the coating is very suitable for coating Christmas decorations. In addition, the preparation method has simple process and convenient operation.
Description
Technical Field
The invention relates to the field of paint coatings, in particular to quick leveling special-shaped roller coating vacuum coating face oil and a preparation method thereof.
Background
With the development and progress of the society, the coating process of the round decorative material on the Christmas markets at sea and abroad basically finishes the change from manual spraying to machine shaft coating, thereby greatly saving the labor cost. However, most of the irregular decorative materials are coated by manual spraying, and the main reason is that the Christmas decorations have beautiful appearance (colorful colors), and the shaft coating surface oil on the market temporarily cannot achieve the effect of regular coverage (the thickness of the coated film is close, and the color depth is close) on the irregular decorations.
The roll coating process is simple to operate and high in efficiency, so that the roll coating process is common in the coating field, however, for the special-shaped roll coating paint, not only the centripetal force in the shaft coating process needs to be overcome, but also the tension of the edges and corners of the special-shaped substrate needs to be overcome, and the influence of the gravity on the special-shaped substrate is overcome, so that the complete regular coverage on the special-shaped workpiece is difficult to realize.
The current situation in the market is as follows: (1) the construction of the special-shaped workpiece is mostly carried out in a manual spraying mode; (2) the roller coating process needs two processes, namely, firstly soaking colorless paint, and then carrying out thermal dyeing after baking; (3) the roll-coating paint on the market cannot be well covered and leveled, and the phenomena of white exposure, color difference, oil accumulation and the like can occur.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a quick leveling special-shaped roll coating vacuum coating surface oil which comprises the following raw materials in parts by weight: 18-26 parts of acrylic resin, 65-74 parts of solvent, 0.8-1.2 parts of thixotropic agent and 6-9 parts of auxiliary agent.
As a preferable technical scheme, the acrylic resin comprises water-soluble acrylic resin and water-soluble epoxy acrylic resin.
As a preferable technical scheme, the weight ratio of the water-soluble acrylic resin to the water-soluble epoxy acrylic resin is (5.3-5.8): 1.
as a preferable technical scheme, the water-soluble acrylic resin comprises a water-soluble acrylic resin A and a water-soluble acrylic resin B, the acid value of the water-soluble acrylic resin A is 30-50mg/KOH, the weight-average molecular weight is 60000-90000, the acid value of the water-soluble acrylic resin B is 180-240mg/KOH, and the weight-average molecular weight is 8000-12000.
As a preferable technical scheme, the weight ratio of the water-soluble acrylic resin A to the water-soluble acrylic resin B is (0.8-1.2): 1.
as a preferred technical scheme, the solvent comprises isopropanol, methanol and 120# solvent oil, and the weight ratio of the isopropanol to the methanol to the 120# solvent oil is 1: (3.5-3.9): 1.
as a preferred technical scheme, the thixotropic agent comprises attapulgite and fumed silica, and the weight ratio of the attapulgite to the fumed silica is (2.7-3.2): (1.8-2.2).
As an optimal technical scheme, the attapulgite is in a coating grade, the particle size is less than or equal to 10um, and the particle size of the fumed silica is less than or equal to 4 um.
As a preferable technical scheme, the auxiliary agent comprises 2.2-2.6 parts of ammonia water, 0.4-0.6 part of matting powder, 0.4-0.8 part of talcum powder and 3-5 parts of anti-white water.
The invention also provides a preparation method of the rapid leveling special-shaped roller coating vacuum coating surface oil, which at least comprises the following steps:
(1) uniformly mixing acrylic resin, a thixotropic agent and an auxiliary agent according to a formula to obtain a mixture A;
(2) adding a solvent into the mixture A for dilution to obtain a mixture B;
(3) and filtering the mixture B by using a 100-mesh screen to obtain the compound B.
Has the advantages that:
(1) the polar solvent and the nonpolar solvent in a specific ratio can solve the leveling problem and eliminate color difference, and well cover edges and edges, so that regular coverage can be realized for special-shaped workpieces;
(2) aiming at the coating after vacuum aluminum plating, water-soluble acrylic resin is matched with water-soluble epoxy modified acrylic resin, so that on one hand, the release speed of a solvent can be improved, the problem of water vapor adsorption caused by volatilization and heat absorption of the solvent is avoided, and the problems of water resistance and adhesive force of later-stage coating can be solved;
(3) the invention adopts the thixotropic material with specific collocation, which can solve the powder arrangement problem, quickly thicken the thixotropy in the shaft coating film forming process, and prevent the powder from flowing because of the uncured paint and prevent the uneven film thickness at the edges and corners to cause the blooming or the white exposure; meanwhile, the thixotropic material is added to solve the problem that the powder is agglomerated and bottomed when meeting water.
Drawings
FIG. 1 is a pictorial representation of a Christmas ball after being roll coated with finish prepared in example 1;
FIG. 2 is a representation of a Christmas ball after being roll-coated with the finish prepared in example 2;
FIG. 3 is a photograph of a Christmas ball after being roller coated with the finish prepared in example 13;
FIG. 4 is a photograph of a Christmas ball after being roll-coated with the finish prepared in example 14;
FIG. 5 is a graph of the results of adhesion testing of Christmas balls after roller coating with the finish prepared in example 1;
FIG. 6 is a graph of the adhesion of a Christmas ball roller-coated with the finish prepared in example 3;
FIG. 7 is a graph of the results of adhesion testing of Christmas balls after roller coating with the finish prepared in example 5.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definition provided in the present disclosure, the definition of the term provided in the present disclosure controls.
As used herein, a feature that does not define a singular or plural form is also intended to include a plural form of the feature unless the context clearly indicates otherwise. It will also be understood that the term "prepared from …," as used herein, is synonymous with "comprising," including, "comprising," "having," "containing," and/or "containing," when used in this specification denotes a stated composition, step, method, article, or apparatus, but does not preclude the presence or addition of one or more other compositions, steps, methods, articles, or apparatuses. Furthermore, the use of "preferred," "preferably," "more preferred," etc., when describing embodiments of the present invention, is meant to refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. In addition, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
The invention provides a quick leveling special-shaped roll coating vacuum coating surface oil which comprises the following raw materials in parts by weight: 18-26 parts of acrylic resin, 65-74 parts of solvent, 0.8-1.2 parts of thixotropic agent and 6-9 parts of auxiliary agent.
In some preferred embodiments, the acrylic resin includes a water-soluble acrylic resin and a water-soluble epoxy acrylic resin.
In some preferred embodiments, the weight ratio of the water-soluble acrylic resin and the water-soluble epoxy acrylic resin is (5.3-5.8): 1, preferably (5.5-5.7): 1.
in some preferred embodiments, the water-soluble acrylic resin comprises a water-soluble acrylic resin A and a water-soluble acrylic resin B, the acid value of the water-soluble acrylic resin A is 30-50mg/KOH, the weight-average molecular weight is 60000-90000, the acid value of the water-soluble acrylic resin B is 180-240mg/KOH, and the weight-average molecular weight is 8000-12000.
Preferably, the acid value of the water-soluble acrylic resin A is 30-50mg/KOH, the weight-average molecular weight is 70000-80000, the acid value of the water-soluble acrylic resin B is 210-220mg/KOH, and the weight-average molecular weight is 9000-10000.
In some preferred embodiments, the weight ratio of the water-soluble acrylic resin a and the water-soluble acrylic resin B is (0.8-1.2): 1, preferably (0.95-1.2): 1, more preferably 1: 1.
the water-soluble acrylic resin A is selected from the Longxing synthetic material Co., Ltd, Dongguan, with the model number of 726; the water-soluble acrylic resin B is prepared by mixing a solid resin with a methanol mixture of 1: 1 in a dispersed manner; the water-soluble epoxy acrylic resin is selected from Shandong Deno chemical Co., Ltd, and the model is DN-L203.
The applicant found in the formulation design process that for non-round christmas decorative materials, the roll-on finish needed to achieve 4 conditions: (1) the solvent release rate is sufficient; (2) the thixotropic speed is fast; (3) fast leveling to eliminate color difference; (4) excellent adhesion. The applicant has found unexpectedly through a large number of research experiments that when a polar solvent is matched with a part of a non-polar solvent in a specific manner, a sufficient release speed can be ensured, so that the leveling problem can be solved, and the color difference can be eliminated, however, the high release speed of the solvent means that the glass transition temperature of the resin is increased, the resin is more brittle, and meanwhile, the addition of a thixotropic agent causes that surface oil is more difficult to adhere to a vacuum coating layer, the applicant has found that the use of a specific water-soluble acrylic resin matched with a water-soluble epoxy modified acrylic resin can improve the release speed of the solvent, simultaneously avoid the problem of water vapor adsorption caused by volatilization and heat absorption of the solvent, and solve the problem of later-stage coating water resistance and adhesion, and probably because the water-soluble acrylic resin comprises a water-soluble acrylic resin A and a water-soluble acrylic resin B with different molecular weights, the viscosity difference is large, and the number of hydroxyl and carboxyl of a molecular chain is different, the two have the complementary and synergistic effects, so that the solvent release speed is high, and different molecular chains are mutually wound to form a special structure by matching with the specific water-soluble epoxy acrylic resin, so that the water resistance and the adhesive force of the later-stage coating are improved.
In some preferred embodiments, the solvent comprises isopropanol, methanol, and 120# solvent oil, and the weight ratio of the three is 1: (3.5-3.9): 1, preferably 1: (3.7-3.8): 1, more preferably 1: 3.72: 1.
the 120# mineral spirit is commercially available, including, but not limited to, from tin-free blue chemical industries, ltd.
In some preferred embodiments, the thixotropic agent comprises attapulgite and fumed silica in a weight ratio of (2.7-3.2): (1.8-2.2), preferably (2.9-3.1): (1.9-2.1), more preferably 3: 2.
in some preferred embodiments, the attapulgite is a coating grade having a particle size of 10um or less and the fumed silica has a particle size of 4um or less.
The attapulgite may be commercially available, including but not limited to 635, from Hebei Haihao environmental technologies, Inc.
The fumed silica is commercially available, including but not limited to, from degussa, model R202.
The applicant finds that the specific thixotropic material can solve the problem of powder arrangement, quickly thicken thixotropy in the process of coating a shaft into a film, prevent the powder from flowing due to the uncured paint and prevent the coating at the uneven corner part from generating floating or white spots due to uneven thickness of the coating, and in addition, the problem of agglomeration and bottom formation of the powder due to the contact of the powder with water is solved by the addition of the thixotropic material.
In some preferred embodiments, the auxiliary agent comprises 2.2-2.6 parts of ammonia water, 0.4-0.6 part of matting powder, 0.4-0.8 part of talcum powder and 3-5 parts of anti-white water.
White water prevention, also known as ethylene glycol butyl ether, 2-butoxyethanol, butyl cellosolve, ethylene glycol monobutyl ether, CAS number: 111-76-2.
The invention also provides a preparation method of the rapid leveling special-shaped roller coating vacuum coating surface oil, which at least comprises the following steps:
(1) adding acrylic resin, a thixotropic agent and an auxiliary agent into a dispersion cylinder according to a formula, and uniformly mixing at a rotating speed of 600-900 r/s to obtain a mixture A;
(2) adding a solvent into the mixture A for dilution to obtain a mixture B;
(3) and filtering the mixture B by using a 100-mesh screen to obtain the catalyst.
Examples
In order to better understand the above technical solutions, the following detailed descriptions will be provided with reference to specific embodiments. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention. In addition, the starting materials used are all commercially available, unless otherwise specified.
Example 1
The embodiment provides a quick leveling special-shaped roll coating vacuum coating surface oil which comprises, by weight, 8.5 parts of water-soluble acrylic resin A, 8.5 parts of water-soluble acrylic resin B, 3 parts of water-soluble epoxy acrylic resin, 2.5 parts of ammonia water, 0.5 part of matting powder, 0.5 part of talcum powder, 0.6 part of attapulgite, 0.4 part of fumed silica, 4 parts of white water prevention agent, 12.5 parts of isopropanol, 46.5 parts of methanol and 12.5 parts of No. 120 solvent oil.
The water-soluble acrylic resin A is selected from the Longxing synthetic material Co., Ltd, Dongguan, with the model number of 726; the water-soluble acrylic resin B is prepared by mixing a solid resin with a methanol mixture of 1: 1 in a dispersed manner; the water-soluble epoxy acrylic resin is selected from Shandong Deno chemical Co., Ltd, and the model is DN-L203; the attapulgite is selected from Hebei Huihao environmental protection technology Limited company with the product number of 635; the fumed silica is selected from degussa with the model number of R202; the extinction powder is selected from the degussa and the model is OK 500; the talcum powder is selected from Shenzhen Shanghai powder science and technology Limited, and has the model number of HY-TA 08; the water for preventing white water is selected from the chemical industry Limited company of Tongda in the Jinan century, and the model is 37-186 kg.
Another aspect of this embodiment provides a method for preparing a rapid leveling profile roller coating vacuum coating face oil, including the following steps:
(1) adding water-soluble acrylic resin A, water-soluble acrylic resin B, water-soluble epoxy acrylic resin, attapulgite, fumed silica, ammonia water, matting powder, talcum powder and white water into a dispersion tank according to the proportion, and uniformly mixing at the rotating speed of 850r/s to obtain a mixture A;
(2) adding isopropanol, methanol and No. 120 solvent oil into the mixture A for dilution, and uniformly dispersing to obtain a mixture B;
(3) and filtering the mixture B by using a 100-mesh screen to obtain the compound B.
Example 2
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 20 parts of water-soluble acrylic resin A, 0 part of water-soluble acrylic resin B and 0 part of water-soluble epoxy acrylic resin.
Example 3
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 0 part of water-soluble acrylic resin A, 20 parts of water-soluble acrylic resin B and 0 part of water-soluble epoxy acrylic resin.
Example 4
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 0 part of water-soluble acrylic resin A, 0 part of water-soluble acrylic resin B and 20 parts of water-soluble epoxy acrylic resin.
Example 5
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 10 parts of water-soluble acrylic resin A, 10 parts of water-soluble acrylic resin B and 0 part of water-soluble epoxy acrylic resin.
Example 6
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 10 parts of water-soluble acrylic resin A, 0 part of water-soluble acrylic resin B and 10 parts of water-soluble epoxy acrylic resin.
Example 7
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 0 part of water-soluble acrylic resin A, 10 parts of water-soluble acrylic resin B and 10 parts of water-soluble epoxy acrylic resin.
Example 8
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 10 parts of water-soluble acrylic resin A, 5 parts of water-soluble acrylic resin B and 5 parts of water-soluble epoxy acrylic resin.
Example 9
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 5 parts of water-soluble acrylic resin A, 10 parts of water-soluble acrylic resin B and 5 parts of water-soluble epoxy acrylic resin.
Example 10
The embodiment of the invention provides a quick leveling special-shaped roll coating vacuum coating face oil and a preparation method thereof, and is the same as the embodiment 1 in specific embodiment, wherein the preparation raw materials comprise 10 parts of water-soluble acrylic resin A, 7 parts of water-soluble acrylic resin B and 3 parts of water-soluble epoxy acrylic resin.
Example 11
The embodiment of the invention provides a rapid leveling special-shaped roll coating vacuum coating surface oil and a preparation method thereof, and the specific implementation manner is the same as that of embodiment 2, and the difference is that the preparation raw materials comprise 0 part of attapulgite and 1 part of fumed silica.
Example 12
The embodiment provides a rapid leveling special-shaped roller coating vacuum coating surface oil and a preparation method thereof, and the specific implementation manner is the same as that of embodiment 2, and the difference is that the preparation raw materials comprise 1 part of attapulgite and 0 part of fumed silica.
Example 13
The embodiment provides a quick leveling special-shaped roller coating vacuum coating surface oil and a preparation method thereof, and the specific implementation mode is the same as that of the embodiment 2, and the difference is that the preparation raw materials comprise 59 parts of methanol and 0 part of No. 120 solvent oil.
Example 14
The embodiment provides a quick leveling special-shaped roller coating vacuum coating surface oil and a preparation method thereof, and the specific implementation mode is the same as that of the embodiment 9, and the difference is that the preparation raw materials comprise 59 parts of crude methyl ester and 0 part of 120# solvent oil.
Performance testing
Firstly, the surface oil prepared in the examples 1 to 12 is respectively subjected to roller coating on the surface of an aluminum layer obtained after the ABS plastic base material is subjected to primary coating and vacuum aluminum plating, roller coating equipment is preheated to 60 ℃, the roller coating equipment rotates at the speed of 0.05m/s until the surface of a coating film is cured, the thickness of the film is controlled to be 15 to 20 mu m, the product performance is detected, and the test result is shown in Table 1.
1. Appearance evaluation: visual inspection was carried out.
2. And (3) testing the adhesive force performance: the test was performed according to the 3M-baige method.
3. And (3) testing water resistance: and (5) soaking the product obtained after curing in water for 1h at normal temperature, and observing the surface change of the product.
TABLE 1
Secondly, the surface oils prepared in examples 2, 13 and 14 were respectively subjected to surface leveling observation on the aluminum layer surface obtained after the ABS plastic substrate was subjected to priming and vacuum aluminum plating, and the results are shown in table 2.
TABLE 2
| Example numbering | Levelling effect |
| Example 2 | Better leveling and no oil accumulation |
| Example 13 | Can be leveled and easily accumulate oil |
| Example 14 | Cannot be leveled and is easy to accumulate oil |
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. The quick leveling special-shaped roller coating vacuum coating face oil is characterized by comprising the following raw materials in parts by weight: 18-26 parts of acrylic resin, 65-74 parts of solvent, 0.8-1.2 parts of thixotropic agent and 6-9 parts of auxiliary agent;
the acrylic resin comprises water-soluble acrylic resin and water-soluble epoxy acrylic resin;
the weight ratio of the water-soluble acrylic resin to the water-soluble epoxy acrylic resin is (5.3-5.8): 1;
the water-soluble acrylic resin comprises a water-soluble acrylic resin A and a water-soluble acrylic resin B, wherein the acid value of the water-soluble acrylic resin A is 30-50mg/KOH, the weight-average molecular weight is 60000-90000, the acid value of the water-soluble acrylic resin B is 180-240mg/KOH, and the weight-average molecular weight is 8000-12000; the weight ratio of the water-soluble acrylic resin A to the water-soluble acrylic resin B is (0.8-1.2): 1;
the solvent comprises isopropanol, methanol and 120# solvent oil, and the weight ratio of the isopropanol to the methanol to the 120# solvent oil is 1: (3.5-3.9): 1;
the thixotropic agent comprises attapulgite and fumed silica, and the weight ratio of the attapulgite to the fumed silica is (2.7-3.2): (1.8-2.2);
the auxiliary agent comprises 2.2-2.6 parts of ammonia water, 0.4-0.6 part of matting powder, 0.4-0.8 part of talcum powder and 3-5 parts of anti-white water.
2. The preparation method of the rapid leveling special-shaped roller coating vacuum coating surface oil according to claim 1, characterized by at least comprising the following steps:
(1) uniformly mixing acrylic resin, a thixotropic agent and an auxiliary agent according to a formula to obtain a mixture A;
(2) adding a solvent into the mixture A for dilution to obtain a mixture B;
(3) and filtering the mixture B by using a 100-mesh screen to obtain the compound B.
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| CN107286747A (en) * | 2017-08-15 | 2017-10-24 | 深圳市容大感光科技股份有限公司 | A kind of photosensitive black ink composition of 3D glass and preparation method thereof |
| CN111320902A (en) * | 2020-04-13 | 2020-06-23 | 佛山市儒林化工有限公司 | Low-formaldehyde migration gloss oil for packaging tin-plate food cans and preparation method thereof |
| CN112708336A (en) * | 2020-12-02 | 2021-04-27 | 广东深展实业有限公司 | Acrylic vacuum coating paint and coating process thereof |
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