CN111925700A - Base paint of water-based stone-like coating and preparation method thereof - Google Patents
Base paint of water-based stone-like coating and preparation method thereof Download PDFInfo
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- CN111925700A CN111925700A CN202010743613.XA CN202010743613A CN111925700A CN 111925700 A CN111925700 A CN 111925700A CN 202010743613 A CN202010743613 A CN 202010743613A CN 111925700 A CN111925700 A CN 111925700A
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- base 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
- 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
-
- 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
-
- 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
-
- 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
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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)
- Paints Or Removers (AREA)
Abstract
The embodiment of the invention discloses a base paint of a water-based stone-like coating, which is applied to the technical field of coatings, and the base paint of the water-based stone-like coating comprises the following components in percentage by mass: 42.7 percent of filler slurry, 31 percent of dispersed organic modified bentonite, 25.0 percent of hydroxyl acrylic emulsion, 0.7 percent of defoaming agent, 0.3 percent of thickening agent and 0.3 percent of bactericide. The base paint of the water-based stone-like coating and the preparation method thereof can solve the problem of poor storage stability of the existing stone-like coating such as color bleeding, water diversion, gelation and the like, and can control the shape of particles, so that the painted object has better and more vivid stone-like effect.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a base paint of a water-based stone-like coating and a preparation method thereof.
Background
The water-based stone-like coating is a novel decorative coating, has the effect similar to marble and granite, has the simulation degree of more than 90 percent, has the advantages of relatively low cost and simple construction process compared with marble, can replace stone materials such as granite, marble and the like, effectively reduces the exploitation of people to natural stone materials, protects the environment and avoids the danger caused by the falling of the natural stone materials. The decorative board can be applied to the outer facade decoration of public buildings such as office buildings of units, large office buildings, markets, hospitals, stadiums and the like, and the building outer walls of high-grade districts and luxury villas are gradually adopted.
The existing water-based stone-like paint generally has the problems of color bleeding, water diversion, whitening and poor storage stability. The water-based stone-like coating bleeding is characterized in that the strength of a gel protective film on the surface of a colored particle is not enough, pigments, fillers, auxiliaries and the like in the colored particle continuously permeate outwards through a fragile protective film, so that a dispersion medium gradually takes the color of the colored particle to cause a turbid phenomenon, the quality of a product cannot be guaranteed due to the bleeding problem, and the effect after construction is greatly different from the originally set color standard.
Disclosure of Invention
The invention provides a base paint of a water-based stone-like coating and a preparation method thereof, aiming at solving the technical problem of poor storage stability of the existing water-based stone-like coating such as color bleeding, water diversion, gelation and the like.
The embodiment of the invention provides a base paint of a water-based stone-like coating, which comprises the following components in percentage by mass: 42.7 percent of filler slurry, 31 percent of dispersed organic modified bentonite, 25.0 percent of hydroxyl acrylic emulsion, 0.7 percent of defoaming agent, 0.3 percent of thickening agent and 0.3 percent of bactericide;
the filler slurry comprises the following raw materials in percentage by mass:
the dispersed organic modified bentonite comprises the following raw materials in percentage by mass:
30.0 percent of water
1.0 percent of organic modified bentonite.
Preferably, the wetting agent is a nonionic wetting agent.
Preferably, the multifunctional assistant is an organic amine multifunctional assistant.
The embodiment of the invention also provides a preparation method of the base paint of the water-based stone-like coating, which is used for preparing the base paint of the water-based stone-like coating and comprises the following steps:
sequentially adding water, cellulose, a dispersing agent, a wetting agent, a defoaming agent, a film-forming auxiliary agent and an antifreezing agent into a dispersion cylinder according to the proportion, dispersing for 5 minutes at a low speed, adding a multifunctional auxiliary agent, and dispersing until the cellulose is dissolved to form viscous liquid;
adding titanium dioxide, coarse whiting powder and magnesium aluminum silicate according to the proportion, regulating the rotation speed to 1200 r/min, and pulping at high speed for 20-30 min to obtain filler pulp;
dispersing the organic modified bentonite by 30 percent of water for 20 minutes to form pasty dispersed organic modified bentonite;
adding the dispersed organically modified bentonite into the filler slurry, adding the hydroxyl acrylic emulsion, the thickening agent, the bactericide and the defoaming agent according to the proportion, and dispersing for 10 minutes;
filtering and packaging by using a screen to obtain the base paint of the water-based stone-like coating.
Preferably, the screen is a 60 mesh screen.
It can be known from the above embodiments of the present invention that, in the base paint of the water-based stone-like coating, the hydroxyl acrylic emulsion contains a large amount of hydroxyl groups, and can form hydrogen bonds and dipole effects with the protective glue, so that the color dots can be stored more stably, the organically modified bentonite can provide negative charges, and form dipole effects with the hydroxyl groups in the emulsion, so that the color dots are stable, the non-ionic wetting agent can rapidly change the thixotropy of the base paint of the water-based stone-like coating, so that the particle toughness is moderate, the shape controllability is increased, and the particle toughness and the finished product paint stability are improved, thereby solving the problem of poor storage stability of the existing stone-like coating such as color bleeding, water diversion, gelation, and the like, and controlling the shape of the particles, so that the stone-like effect.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the 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.
The base paint of the water-based stone-like coating provided by the embodiment of the invention comprises the following components in percentage by mass:
42.7 percent of filler slurry, 31 percent of dispersed organic modified bentonite, 25.0 percent of hydroxyl acrylic emulsion, 0.7 percent of defoaming agent, 0.3 percent of thickening agent and 0.3 percent of bactericide;
the filler slurry comprises the following raw materials in percentage by mass:
the wetting agent is a nonionic wetting agent, the thixotropic property of the base paint of the water-based stone-like coating can be quickly changed by adding the nonionic wetting agent, the toughness of the particles is moderate, the shape controllability is improved, the particles with various shapes and various toughness can be obtained, and the toughness of the particles and the stability of the finished coating are improved.
Further, the multifunctional auxiliary agent is an organic amine multifunctional auxiliary agent.
The dispersed organic modified bentonite comprises the following raw materials in percentage by mass:
30.0 percent of water
1.0 percent of organic modified bentonite.
Organic modified bentonite RG-03 is adopted.
In the base paint of the water-based stone-like coating provided by the embodiment of the invention, the hydroxyl acrylic emulsion contains a large number of hydroxyl groups and can form hydrogen bonds and dipole effects with the protective glue, so that color points can be stored more stably, the organic modified bentonite can provide negative charges and form dipole effects with the hydroxyl groups in the emulsion, so that the color points are stable, the non-ionic wetting agent can quickly change the thixotropy of the base paint of the water-based stone-like coating, the toughness of particles is moderate, the shape controllability is increased, and the toughness of the particles and the stability of a finished product coating are improved, so that the problem of poor storage stability of bleeding, water diversion, gelation and the like of the existing stone-like coating is solved, the shape of the particles can be controlled, and the stone-like effect of a painted article is.
The embodiment of the invention also provides a preparation method of the base paint of the water-based stone-like coating, which comprises the following steps:
firstly, preparing filler slurry;
selecting a proper dispersion cylinder, sequentially adding water, cellulose, a dispersing agent, a wetting agent, a defoaming agent, a film-forming assistant and an antifreezing agent according to the proportion of the base paint of the water-based stone-like coating in the embodiment, dispersing for 5 minutes at a low speed, adding an organic amine multifunctional assistant, and dispersing until the cellulose is dissolved to form viscous liquid;
adding titanium dioxide, coarse whiting and magnesium aluminum silicate, regulating the rotation speed to 1200 r/min, pulping at high speed for 20-30 min, scraping edges for 2-3 times in the process, uniformly mixing the raw materials, detecting the fineness of the pulp, and obtaining the filler pulp according with the fineness specification for later use.
Secondly, dispersing organic modified bentonite;
the organic modified bentonite was dispersed in another dispersing machine, and the organic modified bentonite was dispersed in water (30%) and in water (1%) for 20 minutes to form a paste, thereby obtaining a dispersed organic modified bentonite.
Thirdly, mixing;
and adding the dispersed organically modified bentonite obtained in the second step into the filler slurry obtained in the first step, adding the hydroxyl acrylic emulsion, the thickening agent, the bactericide and the defoaming agent according to the mixture ratio, and dispersing for 10 minutes.
Whether the specifications of the base paint are met can be confirmed by detecting the viscosity and the PH value of the paint.
And fourthly, preparing.
Filtering and packaging by using a screen to obtain the base paint of the water-based stone-like coating.
Preferably, the screen is a 60 mesh screen.
The detection results of the base paint of the water-based stone-like coating provided by the embodiment of the invention are shown in the table below, are all qualified, and meet the standard requirements.
In the embodiment, the base paint of the water-based stone-like coating obtained by the preparation method can solve the problem of poor storage stability of the existing stone-like coating such as bleeding, water diversion, gelation and the like, and can control the shape of particles, so that the stone-like effect of the painted object is better and more vivid.
The above description is provided for the base paint of the water-based stone-like coating and the preparation method thereof, and those skilled in the art will be able to change the concept of the embodiments of the present invention in terms of the specific implementation and the application scope.
Claims (5)
1. The base paint of the water-based stone-like coating is characterized by comprising the following components in percentage by mass: 42.7 percent of filler slurry, 31 percent of dispersed organic modified bentonite, 25.0 percent of hydroxyl acrylic emulsion, 0.7 percent of defoaming agent, 0.3 percent of thickening agent and 0.3 percent of bactericide;
the filler slurry comprises the following raw materials in percentage by mass:
the dispersed organic modified bentonite comprises the following raw materials in percentage by mass:
30.0 percent of water
1.0 percent of organic modified bentonite.
2. The base paint of an aqueous stone-like coating according to claim 1, characterized in that the wetting agent is a nonionic wetting agent.
3. The base paint of the aqueous stone-like coating according to claim 1, wherein the multifunctional assistant is an organic amine multifunctional assistant.
4. A preparation method of a base paint of an aqueous stone-like coating, which is used for preparing the base paint of the aqueous stone-like coating as claimed in any one of claims 1 to 3, and is characterized by comprising the following steps:
sequentially adding water, cellulose, a dispersing agent, a wetting agent, a defoaming agent, a film forming auxiliary agent and an antifreezing agent into a dispersion cylinder according to the proportion of claim 1, dispersing for 5 minutes at a low speed, adding a multifunctional auxiliary agent, and dispersing until the cellulose is dissolved to form viscous liquid;
adding titanium dioxide, coarse whiting powder and magnesium aluminum silicate according to the proportion of claim 1, regulating the rotation speed to 1200 r/min, and pulping at high speed for 20-30 min to obtain filler slurry;
dispersing the organic modified bentonite by 30 percent of water for 20 minutes to form pasty dispersed organic modified bentonite;
adding the dispersed organically modified bentonite into the filler slurry, adding the hydroxyl acrylic emulsion, the thickening agent, the bactericide and the defoaming agent according to the proportion of claim 1, and dispersing for 10 minutes;
filtering and packaging by using a screen to obtain the base paint of the water-based stone-like coating.
5. The method for preparing the base paint of the water-based stone-like coating according to claim 4, wherein the screen is a 60-mesh screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743613.XA CN111925700A (en) | 2020-07-29 | 2020-07-29 | Base paint of water-based stone-like coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010743613.XA CN111925700A (en) | 2020-07-29 | 2020-07-29 | Base paint of water-based stone-like coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111925700A true CN111925700A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010743613.XA Pending CN111925700A (en) | 2020-07-29 | 2020-07-29 | Base paint of water-based stone-like coating and preparation method thereof |
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| CN (1) | CN111925700A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719162A (en) * | 2012-06-20 | 2012-10-10 | 浙江博星化工涂料有限公司 | Water-based artificial granite paint |
| CN109535878A (en) * | 2018-12-12 | 2019-03-29 | 厦门安必信新材料科技有限公司 | One kind is containing colorful stone-like coating of sand and preparation method thereof |
-
2020
- 2020-07-29 CN CN202010743613.XA patent/CN111925700A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719162A (en) * | 2012-06-20 | 2012-10-10 | 浙江博星化工涂料有限公司 | Water-based artificial granite paint |
| CN109535878A (en) * | 2018-12-12 | 2019-03-29 | 厦门安必信新材料科技有限公司 | One kind is containing colorful stone-like coating of sand and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘杰: "基础漆中润湿剂和增稠剂对水包水多彩涂料黏度稳定性的影响", 《上海涂料》 * |
| 周春生等: "《膨润土复合土工垫在防渗工程中的应用》", 31 December 2012, 中国环境科学出版社 * |
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Application publication date: 20201113 |