CN110564283A - Double-component aqueous high-wear-resistance matte wood paint and preparation method thereof - Google Patents
Double-component aqueous high-wear-resistance matte wood paint and preparation method thereof Download PDFInfo
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- CN110564283A CN110564283A CN201910897548.3A CN201910897548A CN110564283A CN 110564283 A CN110564283 A CN 110564283A CN 201910897548 A CN201910897548 A CN 201910897548A CN 110564283 A CN110564283 A CN 110564283A
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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
- C09D7/61—Additives non-macromolecular inorganic
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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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Abstract
the application discloses a two ~ component water ~ based high ~ wear ~ resistance matte wood lacquer and a preparation method thereof, the wood lacquer comprises a component A and a component B in a mass ratio of 1:4, the component A comprises 23 ~ 28 parts of propylene glycol methyl ether acetate, 2 parts of a dehydrating agent and 70 ~ 75 parts of a hydrophilic aliphatic polyisocyanate curing agent, the component B comprises 78 ~ 80 parts of hydroxyl acrylic resin, 0.25 ~ 0.35 part of a dispersing agent, 5 ~ 6 parts of a solvent, 2 ~ 5 parts of glass powder, 1.0 ~ 1.2 parts of extinction powder, 1.5 ~ 3.0 parts of high ~ density polyethylene wax slurry, 0.25 ~ 0.35 part of a defoaming agent, 0.45 ~ 0.55 part of a flatting agent, 0.08 ~ 0.12 part of a multifunctional assistant, 0.08 ~ 0.12 part of a preservative, 0.5 ~ 0.8 part of a thickening agent, 0.2 ~ 0.3 part of an anti ~ settling agent and 5.9 ~ 9.0 part of water, and has the advantage of improving wear resistance.
Description
Technical Field
The invention relates to a two-component aqueous high-wear-resistance matte wood paint and a preparation method thereof.
Background
The wood lacquer is a kind of resin lacquer used for wood products, such as polyester lacquer, polyurethane lacquer, etc., which can be divided into water-based paint and oil-based paint. The gloss can be divided into high gloss, semi-matte and matte.
At present, the domestic paint coating technology is not perfect and comprehensive enough, the technical strength is not strong enough, and the woodware is coated with some common water-based woodware paints, and the wear resistance is still to be improved.
Disclosure of Invention
The invention aims to provide a two-component aqueous high-wear-resistance matte wood lacquer which has the advantage of improving wear resistance.
The technical purpose of the invention is realized by the following technical scheme: a double-component aqueous high-wear-resistance matte wood lacquer comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 1: 4;
The component A comprises, by mass, 23-28 parts of propylene glycol monomethyl ether acetate, 2 parts of a dehydrating agent and 70-75 parts of a hydrophilic aliphatic polyisocyanate curing agent;
The component B comprises, by mass, 78-80 parts of hydroxyl acrylic resin, 0.25-0.35 part of a dispersing agent, 5-6 parts of a solvent, 2-5 parts of glass powder, 1.0-1.2 parts of matting powder, 1.5-3.0 parts of high-density polyethylene wax slurry, 0.25-0.35 part of a defoaming agent, 0.45-0.55 part of a leveling agent, 0.08-0.12 part of a multifunctional additive, 0.08-0.12 part of a preservative, 0.5-0.8 part of a thickening agent, 0.2-0.3 part of an anti-settling agent and 5.9-9.0 parts of water.
Preferably, in the component A, the dehydrating agent is a polyurethane dehydrating agent; in the component B, the dispersant comprises polyether siloxane copolymer, the solvent comprises at least one of dipropylene glycol methyl ether or ethylene glycol monobutyl ether, the matting powder comprises amorphous silicon dioxide, the defoaming agent comprises at least one of polysiloxane mixture or polyether siloxane copolymer, the leveling agent comprises polyether modified polysiloxane, the multifunctional assistant comprises at least one of 2-amino-2-methyl-1-propanol or dimethylamino ethanol, the preservative comprises at least one of phenylpropyl isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one or 2-methyl-4-isothiazolin-3-one, and the thickener comprises hydrophobic modified polyurethane, the anti-settling agent comprises a modified urea.
Preferably, in the component A, the dehydrating agent is a polyurethane dehydrating agent BF-5, and the hydrophilic aliphatic polyisocyanate curing agent is XP 2655; in the component B, XP2651 and XP2470 are selected as the hydroxyl acrylic resin, Tego270 is selected as the dispersing agent, VX-SP or JH-10 is selected as the glass powder, ED30, C906 or SYLOID7000 is selected as the matting powder, D-816 is selected as the high-density polyethylene wax, BYK024, Tego902W or Tego810 is selected as the defoaming agent, BYK346, BYK333, Tego410 or Tego450 is selected as the leveling agent, AMP-95 or DMEA is selected as the multifunctional auxiliary agent, 410 or HICIDE510 is selected as the preservative, RM-8W and RM-2020 are selected as the thickening agent, and BYK420 is selected as the anti-settling agent.
Preferably, the two-component water-based high-wear-resistance matte wood paint comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 1: 4;
The component A comprises 23 parts of propylene glycol methyl ether acetate, 2 parts of a dehydrating agent and 75 parts of a hydrophilic aliphatic polyisocyanate curing agent by mass, and the component B comprises 78.0 parts of hydroxyl acrylic resin, 0.30 part of a dispersing agent, 5.0 parts of a solvent, 5.0 parts of glass powder, 1.0 part of extinction powder, 3.0 parts of high-density polyethylene wax slurry, 0.30 part of a defoaming agent, 0.50 part of a flatting agent, 0.10 part of a multifunctional auxiliary agent, 0.10 part of a preservative, 0.5 part of a thickening agent, 0.3 part of an anti-settling agent, 5.9 parts of water, 1.4-1.6 parts of microcrystalline cellulose, 0.25-0.35 part of succinic acid, 0.45-0.55 part of sodium methallyl sulfonate and 0.14-0.16 part of ethanol.
Preferably, the two-component water-based high-wear-resistance matte wood paint comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 1: 4;
The component A comprises 23 parts of propylene glycol methyl ether acetate, 2 parts of a dehydrating agent and 75 parts of a hydrophilic aliphatic polyisocyanate curing agent by mass, and the component B comprises 78.0 parts of hydroxyl acrylic resin, 0.30 part of a dispersing agent, 5.0 parts of a solvent, 5.0 parts of glass powder, 1.0 part of extinction powder, 3.0 parts of high-density polyethylene wax slurry, 0.30 part of a defoaming agent, 0.50 part of a flatting agent, 0.10 part of a multifunctional auxiliary agent, 0.10 part of a preservative, 0.5 part of a thickening agent, 0.3 part of an anti-settling agent, 5.9 parts of water, 1.5 parts of microcrystalline cellulose, 0.30 part of succinic acid, 0.50 part of sodium methallylsulfonate and 0.15 part of ethanol.
the second purpose of the invention is to provide a preparation method of the two-component water-based high-wear-resistance matte wood lacquer.
The technical purpose of the invention is realized by the following technical scheme: a preparation method of a two-component aqueous high-wear-resistance matte wood paint comprises the following steps: (1) preparing a component A: uniformly mixing propylene glycol methyl ether acetate, a dehydrating agent and a curing agent according to a proportion to prepare a component A; (2) preparing a component B: firstly, mixing and soaking part of dispersing agent, glass powder and part of solvent for at least half an hour to obtain a mixture I; secondly, putting the hydroxyl acrylic resin and the rest of the dispersing agent into a dispersion kettle, and stirring and dispersing the hydroxyl acrylic resin and the rest of the dispersing agent until the hydroxyl acrylic resin and the rest of the dispersing agent are uniform; thirdly, putting the mixture I obtained in the first step into a dispersion kettle, and simultaneously putting the extinction powder in the formula into the dispersion kettle, stirring and dispersing until the granularity is less than or equal to 25 um; fourthly, slowly adding the high-density polyethylene wax slurry, the defoaming agent, the flatting agent, the multifunctional auxiliary agent, the preservative, the thickening agent and the anti-settling agent in the formula into the reaction kettle in sequence, cleaning a container containing the auxiliary agent by using the rest water, adding the cleaned water into the dispersion kettle, and stirring and dispersing the materials uniformly to obtain a component B; (3) and mixing the prepared component A and the prepared component B according to the mass ratio of 1:4 to obtain the wood lacquer.
Preferably, the method comprises the following steps: (1) preparing a component A: uniformly mixing propylene glycol methyl ether acetate, a dehydrating agent and a curing agent according to a proportion to prepare a component A; (2) preparing a component B: firstly, mixing and soaking part of dispersing agent, glass powder and part of solvent for at least half an hour to obtain a mixture I; secondly, putting the hydroxyl acrylic resin and the rest of the dispersing agent into a dispersion kettle, and stirring and dispersing the hydroxyl acrylic resin and the rest of the dispersing agent until the hydroxyl acrylic resin and the rest of the dispersing agent are uniform; thirdly, putting the mixture I obtained in the first step into a dispersion kettle, and simultaneously putting the extinction powder in the formula into the dispersion kettle, stirring and dispersing until the granularity is less than or equal to 25 um; fourthly, slowly adding the high-density polyethylene wax slurry, the defoaming agent, the flatting agent, the multifunctional auxiliary agent, the preservative, the thickening agent, the anti-settling agent, the microcrystalline cellulose, the succinic acid, the sodium methallylsulfonate and the ethanol in the formula into a reaction kettle in sequence, cleaning a container containing the auxiliary agent by using the rest water, adding the cleaned water into a dispersion kettle, and stirring and dispersing the cleaned water uniformly to obtain a component B; (3) and mixing the prepared component A and the prepared component B according to the mass ratio of 1:4 to obtain the wood lacquer.
The technical effects of the invention are mainly reflected in the following aspects: according to the water-based matte wood lacquer provided by the invention, a proper amount of high-density polyethylene wax slurry and glass powder are added into the raw materials, so that the wear resistance and the scratch resistance of a lacquer film are greatly improved, and the hand feeling of the lacquer film is improved; propylene glycol methyl ether acetate is added into the curing agent, which is beneficial to improving the leveling property of the paint film; different thickeners are matched, so that a better anti-settling effect can be achieved, the viscosity of the wood lacquer is improved, and the sagging phenomenon of a lacquer film is favorably improved; all the components interact with each other, so that the finally obtained wood lacquer has high fullness and strong adhesive force to the bottom layer; has excellent decorative, protective and durable properties. In addition, the light-proof coating has good light-proof property, and the preparation method is simple and easy for large-scale production.
Detailed Description
Example 1: a two-component water-based high-wear-resistance matte wood lacquer is prepared by the following steps: (1) preparing a component A: uniformly mixing propylene glycol methyl ether acetate, a dehydrating agent and a curing agent according to a proportion to prepare a component A; (2) preparing a component B: firstly, mixing and soaking part of dispersing agent, glass powder and part of solvent for at least half an hour to obtain a mixture I; secondly, putting the hydroxyl acrylic resin and the rest of the dispersing agent into a dispersion kettle, and stirring and dispersing the hydroxyl acrylic resin and the rest of the dispersing agent until the hydroxyl acrylic resin and the rest of the dispersing agent are uniform; thirdly, putting the mixture I obtained in the first step into a dispersion kettle, and simultaneously putting the extinction powder in the formula into the dispersion kettle, stirring and dispersing until the granularity is less than or equal to 25 um; fourthly, slowly adding the high-density polyethylene wax slurry, the defoaming agent, the flatting agent, the multifunctional auxiliary agent, the preservative, the thickening agent and the anti-settling agent in the formula into the reaction kettle in sequence, cleaning a container containing the auxiliary agent by using the rest water, adding the cleaned water into the dispersion kettle, and stirring and dispersing the materials uniformly to obtain a component B; (3) mixing the prepared component A and the prepared component B according to the mass ratio of 1:4 to obtain the wood lacquer; the formulation information is shown in tables 1 and 2.
Table 1 information on the formulation of component a of example 1
table 2 information on the formula of component B of example 1
| Composition of | Component information | Quality (g) |
| Hydroxy acrylic resin A | XP2651 (Bayer corporation) | 70.0 |
| Hydroxy acrylic resin B | XP2470 (Bayer corporation) | 8.0 |
| Dispersing agent | Tego270 (Digao Co., Ltd.) | 0.30 |
| Solvent(s) | Ethylene glycol monobutyl ether | 5.0 |
| Glass powder | VX-SP (Japanese dragon forest) | 5.0 |
| Matting powder | ED30 (Grace corporation) | 1.0 |
| High-density polyethylene wax slurry | D-816 (Wen Kai Er company) | 3.0 |
| Defoaming agent | Tego-902W (Digao Co., Ltd.) | 0.30 |
| Leveling agent | BYK346 (bike company) | 0.50 |
| Multifunctional auxiliary agent | AMP-95 (Dow chemical USA) | 0.10 |
| Preservative | 410 (Hichuan new materials science and technology Co., Ltd.) | 0.10 |
| Thickening agent A | RM-8W (Dow USA) | 0.3 |
| Thickener B | RM-2020 (U.S. Dow) | 0.2 |
| Anti-settling agent | BYK420 (bike company) | 0.3 |
| Water (W) | Water (W) | 5.9 |
Example 2: the two-component water-based high-wear-resistance matte wood lacquer is different from the wood lacquer in example 1 in that formula information is shown in tables 3 and 4.
Table 3 information on the formulation of component a of example 2
Table 4 information on the formula of component B of example 2
| Composition of | component information | Quality (g) |
| Hydroxy acrylic resin A | XP2651 (Bayer corporation) | 60.0 |
| Hydroxy acrylic resin B | XP2470 (Bayer corporation) | 20.0 |
| Dispersing agent | Tego270 (Digao Co., Ltd.) | 0.30 |
| Solvent(s) | Ethylene glycol monobutyl ether | 5.0 |
| Glass powder | VX-SP (Japanese dragon forest) | 3.0 |
| Matting powder | ED30 (Grace corporation) | 1.2 |
| High-density polyethylene wax slurry | D-816 (Wen Kai Er company) | 2.0 |
| Defoaming agent | Tego-902W (Digao Co., Ltd.) | 0.25 |
| leveling agent | BYK333 (bike corporation) | 0.55 |
| Multifunctional auxiliary agent | AMP-95 (Dow chemical USA) | 0.12 |
| Preservative | 410 (Hichuan new materials science and technology Co., Ltd.) | 0.08 |
| Thickening agent A | RM-8W (Dow USA) | 0.4 |
| Thickener B | RM-2020 (U.S. Dow) | 0.3 |
| Anti-settling agent | BYK420 (bike company) | 0.3 |
| water (W) | Water (W) | 6.5 |
Example 3: a two-component aqueous high-wear-resistance matte wood lacquer, which is different from the wood lacquer in example 1 in that the formula information is shown in tables 5 and 6.
TABLE 5 information on the formulation of component A of example 3
TABLE 6 information on the B-component formulation of example 3
| Composition of | Component information | Quality (g) |
| Hydroxy acrylic resin A | XP2651 (Bayer corporation) | 70.0 |
| Hydroxy acrylic resin B | XP2470 (Bayer corporation) | 8.0 |
| Dispersing agent | Tego270 (Digao Co., Ltd.) | 0.25 |
| Solvent(s) | Dipropylene glycol methyl ether | 6.0 |
| Glass powder | VX-SP (Japanese dragon forest) | 2.0 |
| Matting powder | c906 (Grace corporation) | 1.0 |
| High-density polyethylene wax slurry | D-816 (Wen Kai Er company) | 2.0 |
| Defoaming agent | Tego-902W (Digao Co., Ltd.) | 0.35 |
| Leveling agent | Tego410 (Digao Co., Ltd.) | 0.50 |
| Multifunctional auxiliary agent | AMP-95 (Dow chemical USA) | 0.08 |
| Preservative | 410 (Hichuan new materials science and technology Co., Ltd.) | 0.12 |
| Thickening agent A | RM-8W (Dow USA) | 0.4 |
| thickener B | RM-2020 (U.S. Dow) | 0.4 |
| Anti-settling agent | BYK420 (bike company) | 0.2 |
| Water (W) | Water (W) | 8.7 |
Example 4: a two-component aqueous high-wear-resistance matte wood lacquer, which is different from the wood lacquer in example 1 in that the formula information is shown in tables 7 and 8.
TABLE 7 information on the formulation of component A of example 4
Table 8B component formulation information for example 4
Example 5: a two-component water-based high-wear-resistance matte wood lacquer is prepared by the following steps: (1) preparing a component A: uniformly mixing propylene glycol methyl ether acetate, a dehydrating agent and a curing agent according to a proportion to prepare a component A; (2) preparing a component B: firstly, mixing and soaking part of dispersing agent, glass powder and part of solvent for at least half an hour to obtain a mixture I; secondly, putting the hydroxyl acrylic resin and the rest of the dispersing agent into a dispersion kettle, and stirring and dispersing the hydroxyl acrylic resin and the rest of the dispersing agent until the hydroxyl acrylic resin and the rest of the dispersing agent are uniform; thirdly, putting the mixture I obtained in the first step into a dispersion kettle, and simultaneously putting the extinction powder in the formula into the dispersion kettle, stirring and dispersing until the granularity is less than or equal to 25 um; fourthly, slowly adding the high-density polyethylene wax slurry, the defoaming agent, the flatting agent, the multifunctional auxiliary agent, the preservative, the thickening agent, the anti-settling agent, the microcrystalline cellulose, the succinic acid, the sodium methallylsulfonate and the ethanol in the formula into a reaction kettle in sequence, cleaning a container containing the auxiliary agent by using the rest water, adding the cleaned water into a dispersion kettle, and stirring and dispersing the cleaned water uniformly to obtain a component B; (3) mixing the prepared component A and the prepared component B according to the mass ratio of 1:4 to obtain wood lacquer; the formulation information is shown in tables 9 and 10.
TABLE 9 information on the formulation of component A of example 1
TABLE 10 information on the B-component formulation of example 5
| Composition of | Component information | Quality (g) |
| Hydroxy acrylic resin A | XP2651 (Bayer corporation) | 70.0 |
| Hydroxy acrylic resin B | XP2470 (Bayer corporation) | 8.0 |
| Dispersing agent | Tego270 (Digao Co., Ltd.) | 0.30 |
| Solvent(s) | Ethylene glycol monobutyl ether | 5.0 |
| Glass powder | VX-SP (Japanese dragon forest) | 5.0 |
| Matting powder | ED30 (Grace corporation) | 1.0 |
| High-density polyethylene wax slurry | D-816 (Wen Kai Er company) | 3.0 |
| Defoaming agent | Tego-902W (Digao Co., Ltd.) | 0.30 |
| Leveling agent | BYK346 (bike company) | 0.50 |
| Multifunctional auxiliary agent | AMP-95 (Dow chemical USA) | 0.10 |
| Preservative | 410 (Hichuan new materials science and technology Co., Ltd.) | 0.10 |
| Thickening agent A | RM-8W (Dow USA) | 0.3 |
| Thickener B | RM-2020 (U.S. Dow) | 0.2 |
| Anti-settling agent | BYK420 (bike company) | 0.3 |
| Water (W) | Water (W) | 5.9 |
| Microcrystalline cellulose | Analytical purity of national medicine group | 1.5 |
| Succinic acid | Analytical purity of national medicine group | 0.30 |
| Sodium methallyl sulfonate | Reform for Runfeng petrochemical engineering | 0.50 |
| Ethanol | Analytical purity of national medicine group | 0.15 |
Example 6: the two-component water-based high-wear-resistance matte wood lacquer is different from the wood lacquer in example 5 in that formula information is shown in Table 11.
TABLE 11 information on the B-component formulation of example 6
| Composition of | Component information | Quality (g) |
| Hydroxy acrylic resin A | XP2651 (Bayer corporation) | 70.0 |
| Hydroxy acrylic resin B | XP2470 (Bayer corporation) | 8.0 |
| Dispersing agent | Tego270 (Digao Co., Ltd.) | 0.30 |
| Solvent(s) | Ethylene glycol monobutyl ether | 5.0 |
| Glass powder | VX-SP (Japanese dragon forest) | 5.0 |
| Matting powder | ED30 (Grace corporation) | 1.0 |
| High-density polyethylene wax slurry | D-816 (Wen Kai Er company) | 3.0 |
| Defoaming agent | Tego-902W (Digao Co., Ltd.) | 0.30 |
| Leveling agent | BYK346 (bike company) | 0.50 |
| Multifunctional auxiliary agent | AMP-95 (Dow chemical USA) | 0.10 |
| Preservative | 410 (Hichuan new materials science and technology Co., Ltd.) | 0.10 |
| Thickening agent A | RM-8W (Dow USA) | 0.3 |
| Thickener B | RM-2020 (U.S. Dow) | 0.2 |
| Anti-settling agent | BYK420 (bike company) | 0.3 |
| Water (W) | Water (W) | 5.9 |
| Microcrystalline cellulose | Analytical purity of national medicine group | 1.4 |
| Succinic acid | analytical purity of national medicine group | 0.25 |
| Sodium methallyl sulfonate | Reform for Runfeng petrochemical engineering | 0.45 |
| Ethanol | Analytical purity of national medicine group | 0.14 |
Example 7: the two-component water-based high-wear-resistance matte wood lacquer is different from the wood lacquer in example 5 in that formula information is shown in Table 12.
TABLE 12B-COMPONENT FORMULATION INFORMATION OF EXAMPLE 7
| Composition of | Component information | Quality (g) |
| Hydroxy acrylic resin A | XP2651 (Bayer corporation) | 70.0 |
| Hydroxy acrylic resin B | XP2470 (Bayer corporation) | 8.0 |
| Dispersing agent | Tego270 (Digao Co., Ltd.) | 0.30 |
| Solvent(s) | Ethylene glycol monobutyl ether | 5.0 |
| Glass powder | VX-SP (Japanese dragon forest) | 5.0 |
| Matting powder | ED30 (Grace corporation) | 1.0 |
| high-density polyethylene wax slurry | D-816 (Wen Kai Er company) | 3.0 |
| Defoaming agent | Tego-902W (Digao Co., Ltd.) | 0.30 |
| Leveling agent | BYK346 (bike company) | 0.50 |
| Multifunctional auxiliary agent | AMP-95 (Dow chemical USA) | 0.10 |
| Preservative | 410 (Hichuan new materials science and technology Co., Ltd.) | 0.10 |
| Thickening agent A | RM-8W (Dow USA) | 0.3 |
| Thickener B | RM-2020 (U.S. Dow) | 0.2 |
| Anti-settling agent | BYK420 (bike company) | 0.3 |
| Water (W) | Water (W) | 5.9 |
| Microcrystalline cellulose | Analytical purity of national medicine group | 1.6 |
| Succinic acid | Analytical purity of national medicine group | 0.35 |
| Sodium methallyl sulfonate | Reform for Runfeng petrochemical engineering | 0.55 |
| Ethanol | Analytical purity of national medicine group | 0.16 |
The results of the performance tests of the wood paints of examples 1-4 are shown in Table 13.
Table 13 shows: the aqueous matte wood paints of examples 1-4 have significant wear resistance, good gloss retention, and excellent decorative, protective, and durable properties.
Watch 13
The results of the performance tests of the wood paints of examples 1, 5-7 are shown in Table 14.
Table 14 shows: as compared with example 1, examples 5-7 were tested for better retention of properties after being placed at 0 ℃ for 30 days and then at 25 ℃ for 48 hours, at-20 ℃ for 30 days and then at 25 ℃ for 48 hours and at 25 ℃/97% for 180 days, respectively, which illustrates that examples 5-7 were better retained after being placed at low temperatures for long periods of time and after being placed at moisture for long periods of time.
TABLE 14
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (7)
1. A double-component aqueous high-wear-resistance matte wood lacquer is characterized by comprising a component A and a component B, wherein the mass ratio of the component A to the component B is 1: 4;
The component A comprises, by mass, 23-28 parts of propylene glycol methyl ether acetate, 2 parts of a dehydrating agent and 70-75 parts of a hydrophilic aliphatic polyisocyanate curing agent, and the component B comprises 78-80 parts of hydroxyl acrylic resin, 0.25-0.35 part of a dispersing agent, 5-6 parts of a solvent, 2-5 parts of glass powder, 1.0-1.2 parts of matting powder, 1.5-3.0 parts of high-density polyethylene wax slurry, 0.25-0.35 part of a defoaming agent, 0.45-0.55 part of a leveling agent, 0.08-0.12 part of a multifunctional auxiliary agent, 0.08-0.12 part of a preservative, 0.5-0.8 part of a thickening agent, 0.2-0.3 part of an anti-settling agent and 5.9-9.0 part of water.
2. The two-component aqueous high-wear-resistance matte wood paint according to claim 1, which is characterized in that,
In the component A, the dehydrating agent is a polyurethane dehydrating agent;
In the component B, the dispersant comprises polyether siloxane copolymer, the solvent comprises at least one of dipropylene glycol methyl ether or ethylene glycol monobutyl ether, the matting powder comprises amorphous silicon dioxide, the defoaming agent comprises at least one of polysiloxane mixture or polyether siloxane copolymer, the leveling agent comprises polyether modified polysiloxane, the multifunctional assistant comprises at least one of 2-amino-2-methyl-1-propanol or dimethylamino ethanol, the preservative comprises at least one of phenylpropyl isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one or 2-methyl-4-isothiazolin-3-one, and the thickener comprises hydrophobic modified polyurethane, the anti-settling agent comprises a modified urea.
3. The two-component aqueous high-wear-resistance matte wood paint according to claim 2, which is characterized in that,
In the component A, the dehydrating agent is a polyurethane dehydrating agent BF-5, and the hydrophilic aliphatic polyisocyanate curing agent is XP 2655;
In the component B, XP2651 and XP2470 are selected as the hydroxyl acrylic resin, Tego270 is selected as the dispersing agent, VX-SP or JH-10 is selected as the glass powder, ED30, C906 or SYLOID7000 is selected as the matting powder, D-816 is selected as the high-density polyethylene wax, BYK024, Tego902W or Tego810 is selected as the defoaming agent, BYK346, BYK333, Teg0410 or Tego450 is selected as the leveling agent, AMP-95 or DMEA is selected as the multifunctional auxiliary agent, 410 or HICIDE510 is selected as the preservative, RM-8W and RM-2020 are selected as the thickening agent, and BYK420 is selected as the anti-settling agent.
4. The two-component aqueous high-wear-resistance matte wood lacquer according to claim 3, wherein the two-component aqueous high-wear-resistance matte wood lacquer comprises a component A and a component B, and the mass ratio of the component A to the component B is 1: 4;
the component A comprises 23 parts of propylene glycol methyl ether acetate, 2 parts of a dehydrating agent and 75 parts of a hydrophilic aliphatic polyisocyanate curing agent by mass, and the component B comprises 78.0 parts of hydroxyl acrylic resin, 0.30 part of a dispersing agent, 5.0 parts of a solvent, 5.0 parts of glass powder, 1.0 part of extinction powder, 3.0 parts of high-density polyethylene wax slurry, 0.30 part of a defoaming agent, 0.50 part of a flatting agent, 0.10 part of a multifunctional auxiliary agent, 0.10 part of a preservative, 0.5 part of a thickening agent, 0.3 part of an anti-settling agent, 5.9 parts of water, 1.4-1.6 parts of microcrystalline cellulose, 0.25-0.35 part of succinic acid, 0.45-0.55 part of sodium methallyl sulfonate and 0.14-0.16 part of ethanol.
5. The two-component aqueous high-wear-resistance matte wood lacquer according to claim 4, wherein the two-component aqueous high-wear-resistance matte wood lacquer comprises a component A and a component B, and the mass ratio of the component A to the component B is 1: 4;
the component A comprises 23 parts of propylene glycol methyl ether acetate, 2 parts of a dehydrating agent and 75 parts of a hydrophilic aliphatic polyisocyanate curing agent by mass, and the component B comprises 78.0 parts of hydroxyl acrylic resin, 0.30 part of a dispersing agent, 5.0 parts of a solvent, 5.0 parts of glass powder, 1.0 part of extinction powder, 3.0 parts of high-density polyethylene wax slurry, 0.30 part of a defoaming agent, 0.50 part of a flatting agent, 0.10 part of a multifunctional auxiliary agent, 0.10 part of a preservative, 0.5 part of a thickening agent, 0.3 part of an anti-settling agent, 5.9 parts of water, 1.5 parts of microcrystalline cellulose, 0.30 part of succinic acid, 0.50 part of sodium methallylsulfonate and 0.15 part of ethanol.
6. The preparation method of the two-component aqueous high-wear-resistance matte wood lacquer as claimed in any one of claims 1 to 5, which is characterized by comprising the following steps:
(1) Preparing a component A: uniformly mixing propylene glycol methyl ether acetate, a dehydrating agent and a curing agent according to a proportion to prepare a component A;
(2) Preparing a component B: firstly, mixing and soaking part of dispersing agent, glass powder and part of solvent for at least half an hour to obtain a mixture I; secondly, putting the hydroxyl acrylic resin and the rest of the dispersing agent into a dispersion kettle, and stirring and dispersing the hydroxyl acrylic resin and the rest of the dispersing agent until the hydroxyl acrylic resin and the rest of the dispersing agent are uniform; thirdly, putting the mixture I obtained in the first step into a dispersion kettle, and simultaneously putting the extinction powder in the formula into the dispersion kettle, stirring and dispersing until the granularity is less than or equal to 25 um; fourthly, slowly adding the high-density polyethylene wax slurry, the defoaming agent, the flatting agent, the multifunctional auxiliary agent, the preservative, the thickening agent and the anti-settling agent in the formula into the reaction kettle in sequence, cleaning a container containing the auxiliary agent by using the rest water, adding the cleaned water into the dispersion kettle, and stirring and dispersing the materials uniformly to obtain a component B;
(3) And mixing the prepared component A and the prepared component B according to the mass ratio of 1:4 to obtain the wood lacquer.
7. The preparation method of the two-component aqueous high-wear-resistance matte wood lacquer according to claim 6, which is characterized by comprising the following steps:
(1) Preparing a component A: uniformly mixing propylene glycol methyl ether acetate, a dehydrating agent and a curing agent according to a proportion to prepare a component A;
(2) preparing a component B: firstly, mixing and soaking part of dispersing agent, glass powder and part of solvent for at least half an hour to obtain a mixture I; secondly, putting the hydroxyl acrylic resin and the rest of the dispersing agent into a dispersion kettle, and stirring and dispersing the hydroxyl acrylic resin and the rest of the dispersing agent until the hydroxyl acrylic resin and the rest of the dispersing agent are uniform; thirdly, putting the mixture I obtained in the first step into a dispersion kettle, and simultaneously putting the extinction powder in the formula into the dispersion kettle, stirring and dispersing until the granularity is less than or equal to 25 um; fourthly, slowly adding the high-density polyethylene wax slurry, the defoaming agent, the flatting agent, the multifunctional auxiliary agent, the preservative, the thickening agent, the anti-settling agent, the microcrystalline cellulose, the succinic acid, the sodium methallylsulfonate and the ethanol in the formula into a reaction kettle in sequence, cleaning a container containing the auxiliary agent by using the rest water, adding the cleaned water into a dispersion kettle, and stirring and dispersing the cleaned water uniformly to obtain a component B;
(3) And mixing the prepared component A and the prepared component B according to the mass ratio of 1:4 to obtain the wood lacquer.
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| CN111171696A (en) * | 2020-03-02 | 2020-05-19 | 上海立邦长润发涂料有限公司 | Water-based double-component matte white finish and preparation method thereof |
| CN111777933A (en) * | 2020-06-10 | 2020-10-16 | 惠州市奥亚皇冠涂料有限公司 | Aqueous two-component white elastic wood finish and preparation method thereof |
| CN116535960A (en) * | 2023-06-12 | 2023-08-04 | 恒昌涂料（惠阳）有限公司 | Shrink-edge-prevention water-based double-component matte clear finishing paint and preparation method thereof |
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Denomination of invention: The invention relates to a two-component waterborne high wear-resistant Matt wood paint and a preparation method thereof Effective date of registration: 20210817 Granted publication date: 20210528 Pledgee: Bank of China Limited by Share Ltd. waterfront branch Pledgor: ZHEJIANG ZHIQIANG PAINT Co.,Ltd. Registration number: Y2021330001141 |