CN112266647A - Water-based paint composition and paint mixing method - Google Patents
Water-based paint composition and paint mixing method Download PDFInfo
- Publication number
- CN112266647A CN112266647A CN202011205411.6A CN202011205411A CN112266647A CN 112266647 A CN112266647 A CN 112266647A CN 202011205411 A CN202011205411 A CN 202011205411A CN 112266647 A CN112266647 A CN 112266647A
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- water
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- weight
- paint
- antifouling
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
- C09D7/80—Processes for incorporating ingredients
Abstract
The invention relates to the technical field of water-based paint compositions and preparation methods thereof, and discloses a water-based paint composition and a paint mixing method, wherein the water-based paint composition comprises the following components in parts by weight: the water-based paint comprises water-based latex, a nonionic surfactant, water, a combined filler, polyhydric alcohol, an emulsifier, a high molecular polymer, an antifouling and oil-resistant copolymer, a nano material, a tackifier, a dispersing agent and a curing agent; the antifouling oil-resistant copolymer and the nano material are added and blended, so that the water-based paint composition has oil-resistant and antifouling performance, the antifouling property, the oil repellency and the water repellency of the paint are improved, the paint composition is non-toxic and odorless, harmful substances such as indoor formaldehyde and xylene can be degraded, the water glass in the combined filler can automatically permeate into a wall substrate surface, the pigment, the filler and the substrate are subjected to silicification under the action of the curing agent, the adhesive force between the paint and the substrate is increased, the performance strength of the paint is improved, and the paint composition is green and environment-friendly and has high drying speed.
Description
Technical Field
The invention relates to the technical field of water-based paint compositions and preparation methods, in particular to a water-based paint composition and a paint mixing method.
Background
Coatings using water as a solvent or as a dispersion medium can be referred to as water-based coatings, which are classified into two main categories according to the category of binders in the coatings: the water-based paint includes three types, namely water-soluble paint, water-dilutable paint and water-dispersible paint (latex paint), wherein the water-soluble paint takes water-soluble resin as a film-forming material, takes polyvinyl alcohol and various modified substances thereof as representatives, and also comprises water-soluble alkyd resin, water-soluble epoxy resin, inorganic high polymer water-based resin and the like;
however, the current water-based paint compositions on the market have long drying time due to high solid content, can affect the construction period when being used in special conditions, and can easily cause bacterial plaque on the surface of the paint and change the color of the paint when being used in a humid environment for a long time. Accordingly, one skilled in the art provides an aqueous coating composition and a coating mixing method to solve the problems set forth in the background art described above.
Disclosure of Invention
The present invention is directed to an aqueous coating composition and a coating mixing method to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an aqueous coating composition comprising: the water-based paint comprises water-based latex, a nonionic surfactant, water, a combined filler, polyhydric alcohol, an emulsifier, a high molecular polymer, an antifouling and oil-resistant copolymer, a nano material, a tackifier, a dispersing agent and a curing agent;
aiming at 100 parts by weight of water-based latex, 6-10 parts by weight of a nonionic surfactant, 10-30 parts by weight of water, 5-8 parts by weight of a combined filler, 1-3 parts by weight of a polyol, 2-4 parts by weight of an emulsifier, 3-5 parts by weight of a high polymer, 8-12 parts by weight of an antifouling and oil-resistant copolymer, 7-15 parts by weight of a nano material, 1-3 parts by weight of a tackifier, 2-4 parts by weight of a dispersant and 1-3 parts by weight of a curing agent.
As a further scheme of the invention: the combined filler comprises the following components in parts by weight: 5-8 parts of bentonite, 3-5 parts of diatomite, 6-10 parts of talcum powder, 2-4 parts of goslarite powder, 8-12 parts of water glass and 4-6 parts of titanium dioxide.
As a still further scheme of the invention: the nano material can adopt one or more of nano ceramic powder, nano modified polyurethane, nano polyester powder, modified nano montmorillonite, nano calcium carbonate and nano titanium dioxide.
As a still further scheme of the invention: the high molecular polymer adopts styrene-acrylate.
As a still further scheme of the invention: the antifouling and oil-repellent copolymer comprises a fluorinated (meth) acrylate monomer and a methacrylic acid monomer contacted together to produce a copolymer.
As a still further scheme of the invention: the dispersing agent adopts one or two of sodium polyacrylate and sodium polycarboxylate, and the tackifier adopts one or two of hydroxyethyl cellulose and hydroxypropyl methyl cellulose.
As a still further scheme of the invention: an aqueous coating composition and a coating mixing method, the coating mixing method comprises the following steps:
s1, adding a certain amount of aqueous latex and water into an ultrasonic stirring tank, adding a certain weight part of combined filler into the ultrasonic stirring tank, and carrying out ultrasonic stirring for 15-25min at the ultrasonic frequency of 20-30 KHz;
s2, after stirring, sequentially adding a certain weight part of high molecular polymer, an antifouling and oil-resistant copolymer and a nano material, continuing ultrasonic stirring for 20min, and increasing the ultrasonic frequency to 30-40 KHz;
and S3, after the stirring is finished, sequentially adding a certain weight part of nonionic surfactant, polyol, emulsifier, tackifier, curing agent and dispersant into the mixture, continuing to stir for 10-15min by ultrasound, reducing the ultrasound frequency by 25-30KHz, and uniformly stirring to obtain the water-based paint composition.
Compared with the prior art, the invention has the beneficial effects that: the invention designs a water paint composition and a paint mixing method, in the actual operation, the addition and the blending of an antifouling and oil-resistant copolymer and a nano material are utilized, so that the water paint composition has oil-proof and antifouling performance, the oil repellency and the water repellency of the paint are improved, the water paint is nontoxic and odorless, a substance can be slowly released to degrade harmful substances such as indoor formaldehyde, xylene and the like, the adhesive force of the paint and a substrate can be increased, the performance strength of the paint is improved, water glass in a combined filler can automatically permeate into the substrate surface of a wall, the pigment, the filler and the substrate are subjected to silicification under the action of a curing agent, the adhesive force and the stability of the water paint composition are further improved, the designed water paint composition has high drying speed and stable performance, and the use efficiency of the water paint composition can be further improved, the construction period is shortened, and the construction efficiency is improved.
Detailed Description
The described embodiments of the present invention are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the invention, the water-based paint composition and the paint mixing method comprise the following steps:
s1, adding a certain amount of aqueous latex and water into an ultrasonic stirring tank, adding a certain weight part of combined filler into the ultrasonic stirring tank, and carrying out ultrasonic stirring for 15-25min at the ultrasonic frequency of 20-30 KHz;
s2, after stirring, sequentially adding a certain weight part of high molecular polymer, an antifouling and oil-resistant copolymer and a nano material, continuing ultrasonic stirring for 20min, and increasing the ultrasonic frequency to 30-40 KHz;
s3, after the stirring is finished, sequentially adding a certain weight part of nonionic surfactant, polyol, emulsifier, tackifier, curing agent and dispersant into the mixture, continuing to stir for 10-15min by ultrasound, reducing the ultrasound frequency by 25-30KHz, and uniformly stirring to obtain the water-based paint composition;
wherein, the nano material can adopt one or more of nano ceramic powder, nano modified polyurethane, nano polyester powder, modified nano montmorillonite, nano calcium carbonate and nano titanium dioxide;
the high molecular polymer adopts styrene-acrylate; the antifouling and oil-repellent copolymer comprises a fluorinated (meth) acrylate monomer and a methacrylic acid monomer contacted together to produce a copolymer;
the dispersing agent adopts one or two of sodium polyacrylate and sodium polycarboxylate, and the tackifier adopts one or two of hydroxyethyl cellulose and hydroxypropyl methyl cellulose;
further, the preparation method of the combined filler comprises the following steps: adding bentonite, diatomite, talcum powder, haydite powder, water glass and titanium dioxide into a mixing tank, heating to 50-70 ℃, adding a certain amount of water, uniformly stirring for 20-30min at the rotation speed of 1000-1500r/min, and uniformly mixing to obtain the combined filler.
Example 1
An aqueous coating composition comprising: the water-based paint comprises water-based latex, a nonionic surfactant, water, a combined filler, polyhydric alcohol, an emulsifier, a high molecular polymer, an antifouling and oil-resistant copolymer, a nano material, a tackifier, a dispersing agent and a curing agent;
for 100g of water-based latex, 6g of nonionic surfactant, 10g of water, 5g of combined filler, 1g of polyol, 2g of emulsifier, 3g of high-molecular polymer, 8g of antifouling and oil-resistant copolymer, 7g of nano material, 1g of tackifier, 2g of dispersant and 1g of curing agent;
the combined filler comprises the following components in parts by weight: 5g of bentonite, 3g of diatomite, 6g of talcum powder, 2g of haydite powder, 8g of water glass and 4g of titanium dioxide.
Example 2
An aqueous coating composition comprising: the water-based paint comprises water-based latex, a nonionic surfactant, water, a combined filler, polyhydric alcohol, an emulsifier, a high molecular polymer, an antifouling and oil-resistant copolymer, a nano material, a tackifier, a dispersing agent and a curing agent;
for 100g of water-based latex, 10g of nonionic surfactant, 30g of water, 8g of combined filler, 3g of polyol, 4g of emulsifier, 5g of high-molecular polymer, 12g of antifouling and oil-resistant copolymer, 15g of nano material, 3g of tackifier, 4g of dispersant and 3g of curing agent;
the combined filler comprises the following components in parts by weight: 8g of bentonite, 5g of diatomite, 10g of talcum powder, 4g of haydite powder, 12g of water glass and 6g of titanium dioxide.
Example 3
An aqueous coating composition comprising: the water-based paint comprises water-based latex, a nonionic surfactant, water, a combined filler, polyhydric alcohol, an emulsifier, a high molecular polymer, an antifouling and oil-resistant copolymer, a nano material, a tackifier, a dispersing agent and a curing agent;
for 100g of water-based latex, 8g of nonionic surfactant, 20g of water, 7g of combined filler, 2g of polyol, 3g of emulsifier, 4g of high molecular polymer, 10g of antifouling and oil-resistant copolymer, 12g of nano material, 2g of tackifier, 3g of dispersant and 2g of curing agent;
the combined filler comprises the following components in parts by weight: 6g of bentonite, 4g of diatomite, 8g of talcum powder, 3g of haydite powder, 10g of water glass and 5g of titanium dioxide.
Comparative example 1
The water-based coating composition and the mixing method on the existing market are adopted.
Experiment one
The aqueous coating compositions prepared in examples 1 to 3 and comparative example 1 were sprayed on a test panel coated with an amino varnish, respectively, and subjected to drying speed and adhesion tests at a drying temperature of 20 to 35 ℃ for 24 hours under natural drying in a manner of ISO 2409: 2007(E) paints and varnishes-grid test; and the appearance was observed as follows:
as can be seen from the above table, the water-based coating composition prepared by the invention has shorter surface drying time and actual drying time, higher drying speed, larger adhesive force and better stability compared with the existing water-based coating composition.
Experiment two
Secondly, the water-based paint compositions prepared in the examples 1 to 3 and the comparative example 1 are respectively coated on a test board, the test board is placed in an environment with the humidity of 60 to 70 percent and is placed for 7 days and 15 days, the surface mould condition is observed, and the solidification is as follows:
as can be seen from the above table, the water-based coating composition designed by the invention has good antibacterial property, good performance stability in a humid environment, no color change and high-strength weather resistance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. .
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An aqueous coating composition, characterized in that it comprises: the water-based paint comprises water-based latex, a nonionic surfactant, water, a combined filler, polyhydric alcohol, an emulsifier, a high molecular polymer, an antifouling and oil-resistant copolymer, a nano material, a tackifier, a dispersing agent and a curing agent;
aiming at 100 parts by weight of water-based latex, 6-10 parts by weight of a nonionic surfactant, 10-30 parts by weight of water, 5-8 parts by weight of a combined filler, 1-3 parts by weight of a polyol, 2-4 parts by weight of an emulsifier, 3-5 parts by weight of a high polymer, 8-12 parts by weight of an antifouling and oil-resistant copolymer, 7-15 parts by weight of a nano material, 1-3 parts by weight of a tackifier, 2-4 parts by weight of a dispersant and 1-3 parts by weight of a curing agent.
2. The aqueous coating composition of claim 1, wherein the combined filler comprises the following components in parts by weight: 5-8 parts of bentonite, 3-5 parts of diatomite, 6-10 parts of talcum powder, 2-4 parts of goslarite powder, 8-12 parts of water glass and 4-6 parts of titanium dioxide.
3. The water-based paint composition as claimed in claim 1, wherein the nano material is one or more of nano ceramic powder, nano modified polyurethane, nano polyester powder, modified nano montmorillonite, nano calcium carbonate and nano titanium dioxide.
4. The aqueous coating composition of claim 1, wherein the high molecular weight polymer is styrene monoacrylate.
5. The aqueous coating composition of claim 1, wherein the antifouling and antioiling copolymer comprises a fluorinated (meth) acrylate monomer and a methacrylic acid monomer contacted together to produce the copolymer.
6. The aqueous coating composition of claim 1, wherein the dispersant is one or both of sodium polyacrylate and sodium polycarboxylate, and the thickener is one or both of hydroxyethyl cellulose and hydroxypropyl methyl cellulose.
7. An aqueous coating composition and a method of mixing a coating according to any one of claims 1 to 6, characterized in that the method of mixing a coating comprises the steps of:
s1, adding a certain amount of aqueous latex and water into an ultrasonic stirring tank, adding a certain weight part of combined filler into the ultrasonic stirring tank, and carrying out ultrasonic stirring for 15-25min at the ultrasonic frequency of 20-30 KHz;
s2, after stirring, sequentially adding a certain weight part of high molecular polymer, an antifouling and oil-resistant copolymer and a nano material, continuing ultrasonic stirring for 20min, and increasing the ultrasonic frequency to 30-40 KHz;
and S3, after the stirring is finished, sequentially adding a certain weight part of nonionic surfactant, polyol, emulsifier, tackifier, curing agent and dispersant into the mixture, continuing to stir for 10-15min by ultrasound, reducing the ultrasound frequency by 25-30KHz, and uniformly stirring to obtain the water-based paint composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205411.6A CN112266647A (en) | 2020-11-02 | 2020-11-02 | Water-based paint composition and paint mixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205411.6A CN112266647A (en) | 2020-11-02 | 2020-11-02 | Water-based paint composition and paint mixing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112266647A true CN112266647A (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011205411.6A Withdrawn CN112266647A (en) | 2020-11-02 | 2020-11-02 | Water-based paint composition and paint mixing method |
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| Country | Link |
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| CN (1) | CN112266647A (en) |
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2020
- 2020-11-02 CN CN202011205411.6A patent/CN112266647A/en not_active Withdrawn
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Application publication date: 20210126 |