CN115477880A - Water-based high-solid-content quick-drying edge sealing paint and preparation method thereof - Google Patents
Water-based high-solid-content quick-drying edge sealing paint and preparation method thereof Download PDFInfo
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- CN115477880A CN115477880A CN202210922680.7A CN202210922680A CN115477880A CN 115477880 A CN115477880 A CN 115477880A CN 202210922680 A CN202210922680 A CN 202210922680A CN 115477880 A CN115477880 A CN 115477880A
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- edge sealing
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- sealing paint
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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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the field of water-based paint, in particular to water-based high-solid content quick-drying edge sealing paint and a preparation method thereof. The water-based high-solid content quick-drying edge sealing paint comprises, by weight, 15-20 parts of acrylic emulsion, 4-8 parts of water, 65-75 parts of inorganic filler, 1-5 parts of film forming aid and 0.01-0.1 part of thickener. The edge sealing paint has the advantages of low cost, high solid content, good hardness, high drying speed, good rib expansion prevention effect, good adhesive force, good water resistance, good yellowing resistance and good storage stability.
Description
Technical Field
The invention relates to the field of water-based paint, in particular to water-based high-solid content quick-drying edge sealing paint and a preparation method thereof.
Background
The edge sealing paint is mainly used for filling and edge sealing treatment of the side surfaces and cut surfaces of density boards, shaving boards or melamine boards, so that the artware achieves a better primer coating effect. The traditional furniture edge sealing paint mainly comprises oily PU (polyurethane) and NC (numerical control) edge sealing paint, is unsafe to store and transport due to the fact that the traditional furniture edge sealing paint contains a large amount of organic solvents, is high in construction VOC (volatile organic compounds), has great harm to the environment and paint constructors, and is slowly replaced by water-based edge sealing paint.
China patent CN101812266B and China patent CN102241941B mention that waterborne polyurethane is used as a main film forming substance to prepare edge sealing paint, the construction content of the edge sealing paint is about 70 percent at most, however, the filling property, the drying speed and the hardness of the edge sealing paint need to be improved, and polyurethane resin is used as a primer, so the cost is slightly high. Chinese patent CN102746748B adopts non-aqueous re-dispersible latex powder as main resin to improve the solid content (about 77% at most) of the edge sealing paint, thereby accelerating the drying speed of a paint film, and improving the hardness of the paint film by matching wollastonite, but the patent still needs blended waterborne polyurethane as a film forming substance, and the wettability of the base material and powder is much better than that of acrylic emulsion.
Under the environment of sudden price increase of raw materials, a lot of coating enterprises are forced to increase prices by sound, and the orderly operation of the enterprises is ensured. Therefore, the market at present needs a water-based edge sealing paint which is low in cost, high in solid content, good in hardness and quick in drying speed.
Disclosure of Invention
Aiming at some problems in the prior art, the first aspect of the invention provides a water-based high-solid content quick-drying edge sealing paint, which comprises the following raw materials, by weight, 15-20 parts of acrylic emulsion, 4-8 parts of water, 65-75 parts of inorganic filler, 1-5 parts of film-forming auxiliary agent and 0.01-0.1 part of thickening agent.
In one embodiment, the preparation raw materials of the water-based high-solid content quick-drying edge sealing paint further comprise 0.1-1 part by weight of a wetting agent, 0.1-0.5 part by weight of an antifoaming agent, 0.5-1.5 parts by weight of a dispersing agent and 0.1-0.5 part by weight of a rheological additive.
In a preferred embodiment, the preparation raw materials of the water-based high-solid content quick-drying edge sealing paint comprise 18.6 parts of acrylic emulsion, 7.15-7.25 parts of water, 0.8 part of dispersing agent, 0.2 part of defoaming agent, 0.5 part of wetting agent, 69.5 parts of inorganic filler, 3 parts of film-forming auxiliary agent, 0.1-0.2 part of rheological auxiliary agent and 0.05 part of thickening agent in parts by weight.
In one embodiment, the acrylic emulsion is a pure acrylic emulsion and/or a styrene-acrylic emulsion.
Preferably, the acrylic emulsion has a viscosity at 25 ℃ of less than 500mpa.s.
Preferably, the acrylic emulsion is selected from one or more of Guanzhi PA-4868, guanzhi PA-4852, DSM XK12, DOW 3311, guanzhi PA-4850 and Guanzhi PA-4851; more preferably, it is GUANZHI PA-4868 and/or GUANZHI PA-4852.
In one embodiment, the viscosity of the dispersant is less than 1000mpa.s at 25 ℃.
Preferably, the dispersant is an anionic dispersant, and more preferably a polycarboxylate dispersant.
Preferably, the dispersant is available under the trade name OS-5040, available from Guangzhou New Material science and technology, inc.
In one embodiment, the defoamer is a mineral oil and stearate ester mixture thereof.
Preferably, the defoamer has a pH of 4 to 7.
More preferably, the defoamer is available under the trademark OS-5201 from Guangzhou New Material science and technology, inc.
In one embodiment, the wetting agent has an HLB value of 17 to 18.
Preferably, the wetting agent has a viscosity at 25 ℃ of less than 2500mpa.s.
Preferably, the wetting agent is available under the brand name OS-406 from guangzhou new materials science and technology, inc.
In one embodiment, the inorganic filler is selected from one or more of heavy calcium powder, titanium dioxide, sierozem powder, talc powder and mica powder.
The coarse whiting powder brand is Yufeng coarse whiting 868, which is purchased from Guangdong Yufeng powder materials GmbH.
Preferably, the titanium dioxide is rutile titanium dioxide.
Preferably, the average particle size of the titanium dioxide is 0.1-0.5 micron, and more preferably 0.26 micron.
More preferably, the titanium dioxide powder is DuPont titanium dioxide R-706 available from Plastic pigment Ltd of Dongguan.
Preferably, the ash calcium powder has a particle size of 500-1000 mesh, more preferably 800 mesh.
In one embodiment, the weight ratio of the heavy calcium powder, the titanium dioxide powder and the sierozem powder is (60-65): (1-5): 4, preferably the weight ratio is 63.
The applicant found unexpectedly in experiments that the acrylic emulsion in the present application is selected from one or more of Guanzhi PA-4868, guanzhi PA-4852, DSM XK12, DOW 3311, guanzhi PA-4850 and Guanzhi PA-4851, and the inorganic filler is (60-65) by weight: (1-5): 4, the applicant thinks that the possible reason is that the edge sealing paint with high solid content can be obtained under the condition, and has a faster drying rate, meanwhile, the ash calcium powder in the inorganic filler can be partially dissolved by water and hydrolyzed into calcium ions, and a part of the calcium ions are in a structural network of a polymer after the paint film is dried and react with carbon dioxide in the air to generate calcium carbonate which becomes a part of the network structure of the polymer, so that the structural strength of the paint film and the bonding performance to the filler are improved.
The coalescent is not particularly limited and can be routinely selected by one skilled in the art, and in one embodiment, the coalescent is selected from dipropylene glycol monomethyl ether, dipropylene glycol butyl ether, alcohol ester deca, and the like, and the coalescent is preferably dipropylene glycol monomethyl ether and dipropylene glycol butyl ether in a weight ratio of (1 to 1.5): 1.8, more preferably 1.2.
In one embodiment, the rheological aid is BYK S482.
In one embodiment, the thickener is a polyurethane-based thickener.
Preferably, the thickener is available under the trade designation "Ming Ling PUR 65" from acarri, guangzhou, waterborne materials, inc.
The second aspect of the invention provides a preparation method of the water-based high-solid content quick-drying edge sealing paint, which comprises the following steps: adding the acrylic emulsion into a container, controlling the rotating speed to be 800-1000r/min, sequentially adding a dispersing agent, a defoaming agent, a wetting agent and a first batch of water, adding an inorganic filler, then dispersing at a high speed of 2600-2800r/min for 5min, scraping a fineness plate to test the fineness, reducing the rotating speed to be 800-1000r/min if the fineness is less than 50 mu m, fully and uniformly mixing a second batch of water and a rheological aid, adding the mixture into the container, and adding a film-forming aid and a thickening agent into the container and continuously stirring for 5min to obtain the acrylic emulsion.
Wherein the first water is 77wt% of the total water, and the second water is the remaining water.
Compared with the prior art, the invention has the following beneficial effects:
the edge sealing paint has the advantages of low cost, high solid content, good hardness, high drying speed, good rib expansion prevention effect, good adhesive force, good water resistance, good yellowing resistance and good storage stability.
Detailed Description
The present invention will be described below by way of specific embodiments, but is not limited to the specific examples given below.
The preparation raw materials of the water-based high-solid content quick-drying edge sealing paints of examples 1-2 and comparative examples 1-4 are shown in the following table 1.
TABLE 1
The results of the above-described edge sealer tests are shown in table 2.
TABLE 2
Wherein, the sanding property test: the test is carried out according to the national standard GB/T23999-2009. And observing the sanding difficulty, visually observing the powder output and judging whether the sand paper is stuck or not according to a grade of 1-5, wherein 5 is the best sanding property, and 1 is the worst sanding property.
Rib expansion prevention effect: coating the edge sealing paint on a density board by using a 200 mu m wet film coating instrument, observing the degree of rib expansion of the surface of the paint film, and evaluating according to the grade of 1-5, wherein 5 is the best rib expansion prevention effect, and 1 is the worst rib expansion prevention effect.
Surface dry/hard dry time test: the test is carried out according to the national standard GB/T23999-2009.
Solid content test: the test is carried out according to the national standard GB/T23999-2009.
And (3) testing hardness: the test was carried out according to ASTM D3363 using a pencil hardness tester.
And (3) testing the adhesive force: the evaluation was performed on a 0B-5B scale, with 5B being the best and 0B being the worst, as determined by the cross-hatch method according to ASTM D3359.
And (3) testing the water resistance: the test was carried out according to the national standard GB/T23999-2009, with paint film changes observed and rated on a scale of 1-5, where 5 is the best resistance and 1 is the worst resistance.
And (3) yellowing resistance test: QUV testing was performed for 168h according to the national standard GB/T23999-2009 and the Delta E values were recorded for the samples.
And (4) testing the storage stability: and (3) storing for 7 days at the temperature of 50 ℃, observing the layering condition of the coating and the powder sedimentation condition, testing the fineness of the sample, comparing the film forming property and the edge sealing effect performance of the sample stored at room temperature, and passing the hot storage if the layering condition and the powder hard sedimentation condition do not exist and the film forming property and the edge sealing effect are not obviously changed.
Claims (10)
1. The water-based high-solid content quick-drying edge sealing paint is characterized in that the preparation raw materials comprise, by weight, 15-20 parts of acrylic emulsion, 4-8 parts of water, 65-75 parts of inorganic filler, 1-5 parts of film-forming assistant and 0.01-0.1 part of thickening agent.
2. The water-based high-solid content quick-drying edge sealing paint according to claim 1, wherein the acrylic emulsion is a pure acrylic emulsion and/or a styrene-acrylic emulsion.
3. The aqueous high-solid quick-drying edge sealer according to claim 2, wherein the viscosity of the acrylic emulsion at 25 ℃ is lower than 500mpa.s.
4. The aqueous high-solids quick-drying edge sealer according to claim 3, wherein the acrylic emulsion is selected from one or more of Guanzhi PA-4868, guanzhi PA-4852, DSM XK12, DOW 3311, guanzhi PA-4850, guanzhi PA-4851.
5. The water-based high-solid content quick-drying edge sealing paint according to any one of claims 1 to 4, wherein the inorganic filler is selected from one or more of heavy calcium powder, titanium dioxide, sierozem powder, talcum powder and mica powder.
6. The waterborne high-solid content quick-drying edge sealing paint according to claim 5, wherein the titanium dioxide is rutile type titanium dioxide.
7. The water-based high-solid content quick-drying edge sealing paint according to claim 6, wherein the particle size of the ash calcium powder is 500-1000 meshes.
8. The water-based high-solid content quick-drying edge sealing paint according to claim 6 or 7, characterized in that the weight ratio of the heavy calcium powder to the titanium dioxide powder to the sierozem powder is (60-65): (1-5): 4.
9. the water-based high solid content quick-drying edge sealing paint according to claim 8, characterized in that the raw materials for preparing the water-based high solid content quick-drying edge sealing paint further comprise 0.1-1 part by weight of wetting agent, 0.1-0.5 part by weight of defoaming agent, 0.5-1.5 parts by weight of dispersing agent and 0.1-0.5 part by weight of rheological additive.
10. A preparation method of the water-based high-solid content quick-drying edge sealing paint as claimed in claim 9, characterized by adding acrylic emulsion into a container, controlling the rotating speed to be 800-1000r/min, sequentially adding a dispersing agent, a defoaming agent, a wetting agent and a first batch of water, adding an inorganic filler, then dispersing at a high speed of 2600-2800r/min for 5min, scraping a fineness plate to test the fineness, reducing the rotating speed to be 800-1000r/min if the fineness is less than 50 μm, adding a second batch of water and a rheological additive into the container after fully and uniformly mixing, and then adding a film forming additive and a thickening agent into the container and continuously stirring for 5min to obtain the water-based high-solid content quick-drying edge sealing paint.
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|---|---|---|---|
| CN202210922680.7A CN115477880B (en) | 2022-08-02 | 2022-08-02 | Water-based high-solid-content quick-drying edge sealing paint and preparation method thereof |
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| CN202210922680.7A CN115477880B (en) | 2022-08-02 | 2022-08-02 | Water-based high-solid-content quick-drying edge sealing paint and preparation method thereof |
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| CN115477880B CN115477880B (en) | 2023-08-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116218307A (en) * | 2023-04-03 | 2023-06-06 | 广东农工商职业技术学院 | Medium density fiberboard water-based anti-swelling external baking paint and preparation method and application thereof |
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| CN102643586A (en) * | 2012-05-08 | 2012-08-22 | 合众（佛山）化工有限公司 | High-solid-content quick-drying water-based white primer and preparation method thereof |
| US20140162520A1 (en) * | 2011-08-05 | 2014-06-12 | Construction Research & Technology Gmbh | Water-proof coating system for reflecting solar radiation and water-borne coating for forming decorative and reflective layer in coating system |
| CN106967341A (en) * | 2017-03-17 | 2017-07-21 | 北京艺高世纪科技股份有限公司 | A kind of dry powder paint for external walls |
| CN109111802A (en) * | 2018-06-21 | 2019-01-01 | 广东高登刷新科技有限责任公司 | Metal Roof antirust waterproof mending paste |
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2022
- 2022-08-02 CN CN202210922680.7A patent/CN115477880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5824734A (en) * | 1996-07-10 | 1998-10-20 | Air Products And Chemicals, Inc. | Waterborne coating compositions |
| CN101974277A (en) * | 2010-10-29 | 2011-02-16 | 浙江菲达中科精细化学品有限公司 | White waterborne wood base coat for medium density fiberboard and preparation technology thereof |
| US20140162520A1 (en) * | 2011-08-05 | 2014-06-12 | Construction Research & Technology Gmbh | Water-proof coating system for reflecting solar radiation and water-borne coating for forming decorative and reflective layer in coating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116218307A (en) * | 2023-04-03 | 2023-06-06 | 广东农工商职业技术学院 | Medium density fiberboard water-based anti-swelling external baking paint and preparation method and application thereof |
| CN116218307B (en) * | 2023-04-03 | 2024-03-26 | 广东农工商职业技术学院 | Medium density fiberboard water-based anti-swelling external baking paint and preparation method and application thereof |
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