CN111876037A - Water-based acrylic acid white paint and preparation method thereof - Google Patents
Water-based acrylic acid white paint and preparation method thereof Download PDFInfo
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- CN111876037A CN111876037A CN202010756015.6A CN202010756015A CN111876037A CN 111876037 A CN111876037 A CN 111876037A CN 202010756015 A CN202010756015 A CN 202010756015A CN 111876037 A CN111876037 A CN 111876037A
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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
- C09D133/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- 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
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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)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a water-based acrylic acid white paint, which comprises a pigment composition, acrylic acid copolymer emulsion and a performance adjusting composition, wherein the pigment composition comprises the following components in percentage by weight: deionized water; a dispersant; ethylene glycol butyl ether; aminomethyl propanol; defoaming agents; a wetting agent; titanium dioxide; talc powder; the invention also discloses a preparation method of the water-based paint; the invention has the advantages of fast drying, good adhesive force and good water resistance.
Description
Technical Field
The invention relates to the technical field of industrial coatings, in particular to a water-based acrylic white paint with good water resistance and a preparation method thereof.
Background
The water paint uses water which is nontoxic, harmless and pollution-free as a solvent or a dispersant, and compared with oil paint, the water paint avoids the waste of organic solvent, greatly reduces the discharge amount of VOC in the paint, and is a green environment-friendly high-tech paint. The development of water paint in China starts in 1997, and the water paint is rapidly developed in recent years, is more and more applied to the field of wooden furniture and products, and especially at the present day that environmental regulations are increasingly strict, the water paint coating is more favored, and becomes a necessary way for the development and technological transformation of the industry. However, at present, the oil paint still occupies more than half of the coating market of wooden furniture and products, because the water paint coating still has many problems in the implementation process, mainly manifested by poor water resistance, poor adhesion and limited protection to wood.
Disclosure of Invention
The invention aims to provide the water-based acrylic white paint which is quick to dry, good in adhesive force and good in water resistance.
In order to solve the technical problem, the technical scheme of the invention is as follows: a water-based acrylic white paint comprises a pigment composition, an acrylic copolymer emulsion and a performance adjusting composition,
the pigment composition comprises the following components in parts by weight:
the preferable performance adjusting composition comprises the following components in parts by weight:
the aminomethyl propanol is matched with the film forming agent, so that on one hand, the pH value of the water-based paint is adjusted and is ensured to be stable, and on the other hand, the aminomethyl propanol also has the functions of moistening and dispersing, the film forming effect of the invention is improved, and the drying speed is improved.
Preferably, the property-adjusting composition further comprises 8 to 12 parts by weight of a silica/graphene oxide composite. According to the invention, the silicon dioxide/graphene oxide compound is used as a flatting agent, the flaky graphene oxide reduces the agglomeration of silicon dioxide, the dispersibility of the silicon dioxide is improved through the flaky graphene oxide, the silicon dioxide is favorably and uniformly distributed in the water-based paint, and the water-based paint has a good matte effect. Book (I)The invention uses chemical modification method to make SiO2Compounding with graphene oxide by electrostatic adsorption or covalent bond, and respectively treating SiO with 3-aminopropyltriethoxysilane and epoxypropyltriethoxysilane2And graphene oxide for surface modification, and preparing SiO by the covalent bond action of silicon dioxide and a functional group for surface modification of graphene oxide under certain conditions2/graphene oxide composite particles, and preparation of amino surface functionalized silicon dioxide (NH)2-SiO2) The amino group is easy to ionize in aqueous solution, so that the surface of the silicon dioxide is positively charged; the surface of the graphene oxide is easy to ionize and is negatively charged in an aqueous solution due to the rich carboxyl, and the graphene oxide and the aqueous solution are subjected to electrostatic adsorption to obtain stable SiO2Graphene oxide composite particles.
The invention contains a large amount of titanium dioxide and SiO2Graphene oxide is uniformly distributed in the system, and T iO is formed in a dried paint film2/SiO2Graphene oxide composite. Under ultraviolet light and visible light, electrons generated by photocatalyst formed by titanium dioxide are transferred in the paint layer through graphene oxide, and bacterial cells are effectively destroyed, so that the invention does not need to use a bactericide, effectively prevents wood or plates and the like using the paint layer from mildewing, and realizes the protection of the film layer and the substrate.
The flaky graphene oxide is uniformly dispersed in the film layer and matched with the film forming agent to improve the structural strength of the paint layer and improve the adhesive force of the water-based paint.
Preferably, the graphene oxide is 0.5 to 1.5% by mass of the silica. The graphene oxide has the advantages of large specific surface area, good loading effect and reliable conductivity, and can be matched with the extinction of silicon dioxide and the electron transfer of titanium dioxide photocatalyst only by using a small amount.
Preferably, the wetting agent is a silane coupling agent. One end of the silane coupling agent is an organic functional group which can react with organic matters or has good compatibility in polymers, and the other end of the silane coupling agent can perform hydrolysis, so that the stability of a system is facilitated, and the uniform dispersion of silicon dioxide and graphene oxide in the system is facilitated; meanwhile, the silane coupling agent can also improve the wettability of the water paint, and is beneficial to the coating and use of the water paint.
Preferably, the film forming agent comprises alcohol ester and dipropylene glycol methyl ether, and the mass ratio of the alcohol ester to the dipropylene glycol methyl ether is 4: 3. The two film forming agents are preferably matched with each other, the two film forming agents are matched with the water-based paint to form continuous coating with good wettability, the film forming is uniform, the lowest film forming temperature of the film forming materials can be obviously reduced by matching the two materials, the coalescence property, the weather resistance and the color development property of the water-based paint can be improved, and the paint has good storage stability.
The particle size of the titanium dioxide is preferably 100nm to 15 mu m. The invention ensures the uniform color of the water-based paint by controlling the particle size of the titanium dioxide, strengthens the photocatalyst effect of the water-based paint, and has good antibacterial and bactericidal effects on the surface and the bottom surface of the paint layer.
The second purpose of the invention is to provide the water-based acrylic white paint, the preparation process of the invention is simple, and the white water-based paint with excellent water resistance is prepared.
In order to solve the technical problem, the technical scheme of the invention is as follows: a preparation method of water-based acrylic white paint comprises the following steps:
step one, adding pigment composition slurry into acrylic copolymer emulsion under the stirring state;
step two, adding the aminomethyl propanol, the film forming agent, the deionized water and the defoaming agent in the performance adjusting composition into the mixture obtained in the step one in a stirring state, and uniformly stirring;
step three, adding the thickening agent, increasing the stirring speed along with the addition of the thickening agent, and uniformly stirring the materials;
step four, adjusting the pH value of the material obtained in the step three to 8.0 to 8.5, and stirring;
and step five, after the viscosity reaches 150 seconds, keeping stirring for a period of time to obtain the target product.
Preferably, the stirring speed of the first step and the second step is 200 revolutions per minute; the stirring speed of the third step to the fifth step is 300 revolutions per minute.
Preferably, the material added for adjusting the pH value of the material in the fourth step is aminomethyl propanol. The aminomethyl propanol is a multifunctional amine assistant, can stably regulate the pH value of the aqueous paint, and has the functions of moistening and dispersing.
By adopting the technical scheme, the invention has the beneficial effects that:
the titanium dioxide is used as the pigment, so that the paint has uniform white color on one hand, and on the other hand, the titanium dioxide under the irradiation of ultraviolet light or visible light forms a photocatalyst, so that the paint is effectively sterilized, and the antibacterial property of the paint layer is improved;
the talcum powder is used as the filler, so that the volume shrinkage of the coating during curing is reduced, the wear resistance and the cohesiveness of the coating are improved, the cost is reduced, and the coating has good storage stability and heat resistance;
the preparation method has the advantages that the proper raw materials are selected, multiple substances are cooperatively matched, the preparation process is simple, and the obtained water-based paint is good in stability and wettability;
and fourthly, the ethylene glycol monobutyl ether and the aminomethyl propanol are soaked into the bottom layer wood with the film forming substance, so that the wood film is quickly dried, the adhesive force is good, the water resistance of the film layer is excellent, and the weather resistance is obviously improved.
Thereby achieving the above object of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
Example 1
The embodiment discloses a preparation method of a water-based acrylic white paint, which comprises the following steps:
step one, adding pigment composition slurry into acrylic copolymer emulsion under the stirring state;
step two, adding the aminomethyl propanol, the film forming agent, the deionized water and the defoaming agent in the performance adjusting composition into the mixture obtained in the step one in a stirring state, and uniformly stirring;
step three, adding the thickening agent, increasing the stirring speed along with the addition of the thickening agent, and uniformly stirring the materials;
step four, adjusting the pH value of the material obtained in the step three to 8.0 by using aminomethyl propanol, and stirring;
and step five, after the viscosity reaches 150 seconds, keeping stirring for 20 minutes to obtain the target product.
The specific amounts and specific types of each substance and the details of the purchasers in this example are shown in tables 1 and 2.
The specific use flow of the water-based paint prepared in this example includes the following steps:
firstly, grinding 240-600 # abrasive paper along wood grains to enable the surface to be free of burrs, smooth and clean;
step two, dipping a proper amount of the water-based paint of the embodiment by using a bristle brush and uniformly brushing the water-based paint along the wood grains;
step three, waiting for the first time of natural drying of the water-based paint;
step four, after the coating in the step three is dried, using 800-1000 # abrasive paper to lightly sand along the wood texture, and polishing the wood texture smoothly;
step five, cleaning the surface polishing dust by using a bristle brush;
step six, repeating the step two, the step three and the step four;
the use of the water-based paint in this example was completed.
The coating after brushing was subjected to performance testing, and specific test standards and results are shown in table 3.
Example 2
The main differences between this embodiment and embodiment 1 are:
the pH value of the slurry is adjusted to 8.5, and graphene oxide in the silicon dioxide/graphene oxide compound accounts for 0.5 percent of the mass of the silicon dioxide; the remaining differences are detailed in table 1.
The specific coating and testing of the water-based paint prepared in this example were the same as in example 1.
Example 3
The main differences between this embodiment and embodiment 2 are:
the graphene oxide in the silicon dioxide/graphene oxide compound accounts for 1.5% of the mass of the silicon dioxide; the remaining differences are detailed in table 1.
The specific coating and testing of the water-based paint prepared in this example were the same as in example 1.
Example 4
The main differences between this embodiment and embodiment 3 are:
the graphene oxide in the silicon dioxide/graphene oxide compound accounts for 1.0% of the mass of the silicon dioxide; the remaining differences are detailed in table 1.
The specific coating and testing of the water-based paint prepared in this example were the same as in example 1.
Example 5
The main differences between this embodiment and embodiment 3 are:
the graphene oxide in the silicon dioxide/graphene oxide compound accounts for 1.5% of the mass of the silicon dioxide; the remaining differences are detailed in table 1.
The specific coating and testing of the water-based paint prepared in this example were the same as in example 1.
Table 1 list of raw materials for water-based paints of examples 1 to 5
TABLE 2 concrete models and purchasers of the materials of the invention
TABLE 3 test of the paint film Properties formed after coating of the aqueous paints prepared in examples 1 to 5
As can be seen from the combination of tables 1 and 3, the actual drying time of the water-based paint prepared by the invention is 12 to 18 hours, the water resistance is over 60 hours, the pencil hardness also reaches HB and H grades, the adhesive force of the paint film is 1 to 2 grades, and the bonding force with the bottom wood is good; the water-resistant paint has long water-resistant time and good antibacterial protection effect on bottom wood, and the wood surface is clean and does not go moldy.
Claims (10)
1. A water-based acrylic white paint is characterized in that:
comprises a pigment composition, an acrylic copolymer emulsion and a performance adjusting composition,
the pigment composition comprises the following components in parts by weight:
2. the water-borne acrylic white paint according to claim 1, characterized in that:
the performance adjusting composition comprises the following components in parts by weight:
3. the water-borne acrylic white paint according to claim 1, characterized in that: the performance modulating composition also includes 8 to 12 parts by weight of a silica/graphene oxide composite.
4. The water-borne acrylic white paint according to claim 2, characterized in that: the graphene oxide accounts for 0.5-1.5% of the mass of the silicon dioxide.
5. The water-borne acrylic white paint according to claim 1, characterized in that: the wetting agent is a silane coupling agent.
6. The water-borne acrylic white paint according to claim 1, characterized in that: the film forming agent comprises alcohol ester and dipropylene glycol methyl ether, and the mass ratio of the alcohol ester to the dipropylene glycol methyl ether is 4: 3.
7. The water-borne acrylic white paint according to claim 1, characterized in that: the particle size of the titanium dioxide is 100nm to 15 mu m.
8. A process for the preparation of an aqueous acrylic white paint according to any one of claims 2 to 7, characterized in that:
the method comprises the following steps:
step one, adding pigment composition slurry into acrylic copolymer emulsion under the stirring state;
step two, adding the aminomethyl propanol, the film forming agent, the deionized water and the defoaming agent in the performance adjusting composition into the mixture obtained in the step one in a stirring state, and uniformly stirring;
step three, adding the thickening agent, increasing the stirring speed along with the addition of the thickening agent, and uniformly stirring the materials;
step four, adjusting the pH value of the material obtained in the step three to 8.5, and stirring;
and step five, after the viscosity reaches 150 seconds, keeping stirring for a period of time to obtain the target product.
9. A method of preparing an aqueous acrylic white paint according to claim 8, characterized in that: the stirring speed of the first step and the second step is 200 revolutions per minute; the stirring speed of the third step to the fifth step is 300 revolutions per minute.
10. A method of preparing an aqueous acrylic white paint according to claim 8, characterized in that: and step four, adding aminomethyl propanol as a substance for adjusting the pH value of the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756015.6A CN111876037A (en) | 2020-07-31 | 2020-07-31 | Water-based acrylic acid white paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756015.6A CN111876037A (en) | 2020-07-31 | 2020-07-31 | Water-based acrylic acid white paint and preparation method thereof |
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| CN111876037A true CN111876037A (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350218A (en) * | 2022-01-25 | 2022-04-15 | 南京宁智高新材料研究院有限公司 | Functional coating with frosted texture, high reflection and high radiation and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325684A (en) * | 2017-07-26 | 2017-11-07 | 青岛科技大学 | A kind of graphene-based anticorrosion coating material of underwater curing construction and preparation method thereof |
| CN107384084A (en) * | 2017-09-06 | 2017-11-24 | 哈尔滨绿科科技有限公司 | A kind of high-strength anti-corrosion water paint and preparation method thereof |
| WO2019099608A1 (en) * | 2017-11-15 | 2019-05-23 | Board Of Trustees Of Michigan State University | Omniphobic polyurethane compositions, related articles, and related methods |
-
2020
- 2020-07-31 CN CN202010756015.6A patent/CN111876037A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325684A (en) * | 2017-07-26 | 2017-11-07 | 青岛科技大学 | A kind of graphene-based anticorrosion coating material of underwater curing construction and preparation method thereof |
| CN107384084A (en) * | 2017-09-06 | 2017-11-24 | 哈尔滨绿科科技有限公司 | A kind of high-strength anti-corrosion water paint and preparation method thereof |
| WO2019099608A1 (en) * | 2017-11-15 | 2019-05-23 | Board Of Trustees Of Michigan State University | Omniphobic polyurethane compositions, related articles, and related methods |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350218A (en) * | 2022-01-25 | 2022-04-15 | 南京宁智高新材料研究院有限公司 | Functional coating with frosted texture, high reflection and high radiation and preparation method thereof |
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