CN112795296A - Water-based high-coverage roller coating white primer and preparation method thereof - Google Patents
Water-based high-coverage roller coating white primer and preparation method thereof Download PDFInfo
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- CN112795296A CN112795296A CN202110096849.3A CN202110096849A CN112795296A CN 112795296 A CN112795296 A CN 112795296A CN 202110096849 A CN202110096849 A CN 202110096849A CN 112795296 A CN112795296 A CN 112795296A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming 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
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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 invention discloses a water-based high-coverage roller coating white primer and a preparation method thereof. The component A is a water-based isocyanate curing agent; and a component B, which comprises 40-50 parts by weight of water-based hydroxyl polyacrylate; 20-22 parts of aqueous emulsion; 5-7 parts of titanium dioxide; 15-18 parts of talcum powder; 5-7 parts of calcium carbonate; 1.3-1.6 parts of dispersant by weight; 2.1-2.6 parts of preservative; 1.6 to 1.8 portions of defoaming agent. The invention adopts the acrylic emulsion with strong pigment and filler wrapping capacity and the polymerized covering emulsion to bind loose pigment and filler particles, so that the compactness of a coating film is good, and the coating area is increased; has good leveling property, compactness and high covering power.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based high-coverage roller coating white primer and a preparation method thereof.
Background
The existing water-based high-coverage roller coating white primer has the following problems: the coating area is reduced, the number of processes is increased, the production efficiency is reduced, and the cost is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a water-based high-coverage roller coating white primer and a preparation method thereof.
In order to solve the technical problems, the invention is solved by the following technical scheme:
a water-based white primer for high-covering roller coating comprises
The component A is a water-based isocyanate curing agent; and
the component B comprises 40-50 parts of waterborne hydroxyl polyacrylate by weight; 20-22 parts of aqueous emulsion; 5-7 parts of titanium dioxide; 15-18 parts of talcum powder; 5-7 parts of calcium carbonate; 1.3-1.6 parts of dispersant by weight; 2.1-2.6 parts of preservative; 1.6 to 1.8 portions of defoaming agent.
In the above technical solution, preferably, the dispersant is sodium dodecyl sulfate.
In the above technical solution, preferably, the preservative is DOW342 bactericidal mildewcide.
In the above technical solution, preferably, the defoaming agent is a BYK defoaming agent.
A preparation method of a water-based high-hiding roller coating white primer comprises the following steps:
a. weighing the raw material components according to the formula ratio;
b. preparing a component B: adding water-based hydroxyl polyacrylate, water-based emulsion, titanium dioxide, talcum powder and calcium carbonate into a dispersion cylinder according to the metering requirement, starting a dispersion machine, synchronously stirring, setting the rotation speed of the dispersion machine to be 800-;
stirring for 7-8 min, stopping the disperser and synchronously stopping stirring to obtain component B;
c. adding the component A into a dispersion cylinder, starting a dispersion machine, synchronously stirring, stopping the dispersion machine after stirring for 5-10 minutes, and synchronously stopping stirring to prepare a main paint vehicle;
and then adjusting the wheel pressure height between the roller and the work and the gap between the wheels, starting an oven of the roller coating equipment, putting the main paint into the oven for baking, and baking for 10-15 minutes at the oven temperature of 80-100 ℃ under dynamic conditions to obtain the water-based high-coverage roller coating white primer.
The invention has the beneficial effects that:
the invention adopts the acrylic emulsion with strong pigment and filler wrapping capacity and the polymerized covering emulsion to bind loose pigment and filler particles, so that the compactness of a coating film is good, and the coating area is increased;
has good leveling property, compactness and high covering power.
Detailed Description
The invention is described in further detail below by means of specific embodiments:
example 1:
a water-based white primer for high-covering roller coating comprises a component A and a component B.
The component A is a water-based isocyanate curing agent.
The component B comprises 50 parts by weight of waterborne hydroxyl polyacrylate; 20 parts of aqueous emulsion; 5 parts of titanium dioxide; 15 parts of talcum powder; 5 parts of calcium carbonate; 1.3 parts of dispersant, wherein the dispersant is sodium dodecyl sulfate; 2.1 parts of preservative, wherein the preservative is DOW342 bactericidal mildew preventive; 1.6 parts of defoaming agent, wherein the defoaming agent is BYK defoaming agent.
A preparation method of a water-based high-hiding roller coating white primer comprises the following steps:
a. weighing the raw material components according to the formula ratio;
b. preparing a component B: adding water-based hydroxyl polyacrylate, water-based emulsion, titanium dioxide, talcum powder and calcium carbonate into a dispersion cylinder according to the metering requirement, starting a dispersion machine, synchronously stirring, setting the rotation speed of the dispersion machine to be 1000 r/m, sequentially adding a dispersing agent, a preservative and a defoaming agent after stirring for 5 minutes, and stirring continuously during adding;
stirring for 8 minutes, stopping the dispersion machine and synchronously stopping stirring to obtain a component B;
c. adding the component A into a dispersion cylinder, starting a dispersion machine, synchronously stirring, stopping the dispersion machine after stirring for 10 minutes, and synchronously stopping stirring to prepare a main paint vehicle;
and then adjusting the wheel pressure height between the roller and the work and the gap between the wheels, starting an oven of the roller coating equipment, putting the main paint into the oven for baking, and baking for 15 minutes at the oven temperature of 100 ℃ under dynamic conditions to obtain the water-based high-coverage roller coating white primer.
Example 2:
a water-based white primer for high-covering roller coating comprises a component A and a component B.
The component A is a water-based isocyanate curing agent.
The component B comprises 40 parts by weight of waterborne hydroxyl polyacrylate; 22 parts of aqueous emulsion; 7 parts of titanium dioxide; 18 parts of talcum powder; 7 parts of calcium carbonate; 1.6 parts of dispersant, wherein the dispersant is sodium dodecyl sulfate; 2.6 parts of preservative, wherein the preservative is DOW342 bactericidal mildew preventive; 1.8 parts of defoaming agent by weight, wherein the defoaming agent is BYK defoaming agent.
A preparation method of a water-based high-hiding roller coating white primer comprises the following steps:
a. weighing the raw material components according to the formula ratio;
b. preparing a component B: adding aqueous hydroxyl polyacrylate, aqueous emulsion, titanium dioxide, talcum powder and calcium carbonate into a dispersion cylinder according to the metering requirement, starting a dispersion machine, synchronously stirring, setting the rotation speed of the dispersion machine to be 800 revolutions per minute, sequentially adding a dispersing agent, a preservative and a defoaming agent after stirring for 3 minutes, and stirring continuously during adding;
stirring for 7 minutes, stopping the dispersion machine and synchronously stopping stirring to obtain a component B;
c. adding the component A into a dispersion cylinder, starting a dispersion machine, synchronously stirring, stopping the dispersion machine after stirring for 5 minutes, and synchronously stopping stirring to prepare a main paint vehicle;
and then adjusting the wheel pressure height between the roller and the work and the gap between the wheels, starting an oven of the roller coating equipment, putting the main paint into the oven for baking, and baking for 10 minutes at the oven temperature of 80 ℃ under dynamic conditions to obtain the water-based high-coverage roller coating white primer.
Example 3:
a water-based white primer for high-covering roller coating comprises a component A and a component B.
The component A is a water-based isocyanate curing agent.
The component B comprises 45 parts by weight of water-based hydroxyl polyacrylate; 21 parts of aqueous emulsion; 6 parts of titanium dioxide; 16.4 parts of talcum powder; 6 parts of calcium carbonate; 1.5 parts of dispersant, wherein the dispersant is sodium dodecyl sulfate; 2.4 parts of preservative, wherein the preservative is DOW342 bactericidal mildew preventive; and 1.7 parts of defoaming agent by weight, wherein the defoaming agent is BYK defoaming agent.
A preparation method of a water-based high-hiding roller coating white primer comprises the following steps:
a. weighing the raw material components according to the formula ratio;
b. preparing a component B: adding aqueous hydroxyl polyacrylate, aqueous emulsion, titanium dioxide, talcum powder and calcium carbonate into a dispersion cylinder according to the metering requirement, starting a dispersion machine, synchronously stirring, setting the rotation speed of the dispersion machine to be 900 revolutions per minute, sequentially adding a dispersing agent, a preservative and a defoaming agent after stirring for 4 minutes, and stirring continuously during adding;
stirring for 7.5 minutes, stopping the dispersion machine and synchronously stopping stirring to obtain a component B;
c. adding the component A into a dispersion cylinder, starting a dispersion machine, synchronously stirring, stopping the dispersion machine after stirring for 8 minutes, and synchronously stopping stirring to prepare a main paint vehicle;
and then adjusting the wheel pressure height between the roller and the work and the gap between the wheels, starting an oven of the roller coating equipment, putting the main paint into the oven for baking, and baking for 13 minutes at the oven temperature of 90 ℃ under dynamic conditions to obtain the water-based high-coverage roller coating white primer.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The water-based high-covering roller coating white primer is characterized in that: comprises that
The component A is a water-based isocyanate curing agent; and
the component B comprises 40-50 parts of waterborne hydroxyl polyacrylate by weight; 20-22 parts of aqueous emulsion; 5-7 parts of titanium dioxide; 15-18 parts of talcum powder; 5-7 parts of calcium carbonate; 1.3-1.6 parts of dispersant by weight; 2.1-2.6 parts of preservative; 1.6 to 1.8 portions of defoaming agent.
2. The water-based high hiding roller coated white primer according to claim 1, wherein: the dispersing agent is sodium dodecyl sulfate.
3. The water-based high hiding roller coated white primer according to claim 1, wherein: the preservative is DOW342 sterilization mildew preventive.
4. The water-based high hiding roller coated white primer according to claim 1, wherein: the defoaming agent is a BYK defoaming agent.
5. A preparation method of a water-based high-covering roller coating white primer is characterized by comprising the following steps: the method comprises the following steps:
a. weighing the raw material components according to the formula ratio;
b. preparing a component B: adding water-based hydroxyl polyacrylate, water-based emulsion, titanium dioxide, talcum powder and calcium carbonate into a dispersion cylinder according to the metering requirement, starting a dispersion machine, synchronously stirring, setting the rotation speed of the dispersion machine to be 800-;
stirring for 7-8 min, stopping the disperser and synchronously stopping stirring to obtain component B;
c. adding the component A into a dispersion cylinder, starting a dispersion machine, synchronously stirring, stopping the dispersion machine after stirring for 5-10 minutes, and synchronously stopping stirring to prepare a main paint vehicle;
and then adjusting the wheel pressure height between the roller and the work and the gap between the wheels, starting an oven of the roller coating equipment, putting the main paint into the oven for baking, and baking for 10-15 minutes at the oven temperature of 80-100 ℃ under dynamic conditions to obtain the water-based high-coverage roller coating white primer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110096849.3A CN112795296A (en) | 2021-01-25 | 2021-01-25 | Water-based high-coverage roller coating white primer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110096849.3A CN112795296A (en) | 2021-01-25 | 2021-01-25 | Water-based high-coverage roller coating white primer and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112795296A true CN112795296A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110096849.3A Pending CN112795296A (en) | 2021-01-25 | 2021-01-25 | Water-based high-coverage roller coating white primer and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370398A (en) * | 2018-09-14 | 2019-02-22 | 南宁科天环保节能科技有限公司 | A kind of aqueous double-component closing based white primer and preparation method thereof |
| CN110240857A (en) * | 2019-05-31 | 2019-09-17 | 江苏晶联水漆有限公司 | A kind of aqueous double-component polyurethane coating and preparation method thereof |
-
2021
- 2021-01-25 CN CN202110096849.3A patent/CN112795296A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370398A (en) * | 2018-09-14 | 2019-02-22 | 南宁科天环保节能科技有限公司 | A kind of aqueous double-component closing based white primer and preparation method thereof |
| CN110240857A (en) * | 2019-05-31 | 2019-09-17 | 江苏晶联水漆有限公司 | A kind of aqueous double-component polyurethane coating and preparation method thereof |
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Application publication date: 20210514 |
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