CN110885596A - Water-based pigment-sealing white primer and preparation method thereof - Google Patents

Water-based pigment-sealing white primer and preparation method thereof Download PDF

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Publication number
CN110885596A
CN110885596A CN201911046398.1A CN201911046398A CN110885596A CN 110885596 A CN110885596 A CN 110885596A CN 201911046398 A CN201911046398 A CN 201911046398A CN 110885596 A CN110885596 A CN 110885596A
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water
mixture
white primer
sealing
based pigment
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江世奇
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DONGGUAN DABAO CHEMICAL PRODUCTS Co Ltd
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DONGGUAN DABAO CHEMICAL PRODUCTS Co Ltd
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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
    • 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
    • C09D7/63—Additives non-macromolecular organic
    • 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
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K

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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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention relates to the technical field of coatings, and particularly relates to a water-based pigment-sealing white primer coating and a preparation method thereof. Because acid substances, pigments and the like represented by tannic acid in the materials have strong hydrophilicity and color and float on the surface of a paint film along with moisture in the drying process of the paint film, the metal oxide zinc oxide is introduced into a formula system, and the acid substances are locked in the bottom layer paint film by utilizing the mechanism of acid-base reaction, so that the defect of color change of the water-based paint film is thoroughly overcome. In addition, the zinc salt generated by the reaction is stable and has low solubility, can stably exist in an aqueous system and has no influence on the final white primer coating film. Therefore, the water-based pigment-sealing white primer has the advantages of good pigment-sealing effect, no need of using a transparent sealing primer, simplified decoration process and better coating effect.

Description

Water-based pigment-sealing white primer and preparation method thereof
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based pigment-sealing white primer and a preparation method thereof.
Background
In recent years, the water-based paint industry has been rapidly developed. The proportion of the water-based paint in the paint is increasing, and manufacturers and users can also see the environmental protection characteristic of the water-based paint. The water-based decoration woodware paint gradually replaces the prior oil-based decoration woodware paint and is put into the lives of the majority of users.
However, the aqueous finishing paint has some problems which are difficult to solve, and particularly, the paint film is discolored due to the fact that the paint is still renewed and the material is discolored due to poor wood quality (rotten wood, medium-density fiberboard and the like) and oil is discharged.
In the prior art, the traditional water-based paint solves the situation by increasing the crosslinking density of a coating film, but the pigment sealing effect can be achieved by multiple recoating after the primer is sealed frequently, and even the effect is not ideal sometimes.
Disclosure of Invention
The invention aims to provide a water-based pigment sealing white primer which has the advantages of good pigment sealing effect and no need of using a transparent sealing primer, aiming at the defects of the prior art.
The second purpose of the present invention is to provide a preparation method of the water-based pigment-sealing white primer, which aims at overcoming the defects of the prior art.
In order to achieve one of the purposes, the invention adopts the following technical scheme:
the water-based pigment-sealing white primer paint comprises the following raw materials in parts by weight:
Figure BDA0002254253490000011
Figure BDA0002254253490000021
preferably, the water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000022
more preferably, the water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000023
the oily film-forming assistant is an oily film-forming assistant DPNB and an oily film-forming assistant TPNB in a mass ratio of 0.5-1.5: 0.5 to 1.5 in terms of a surfactant.
The dispersant is a BYK-190 dispersant; the acrylic emulsion is a Dow EXP-6037 acrylic emulsion; the wetting agent is a BYK-349 wetting agent; the defoaming agent is a TEGO FOAMEX 822 defoaming agent; the pH regulator is a SOLVAYAN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
In order to achieve the second purpose, the invention adopts the following technical scheme:
the preparation method of the water-based pigment-sealing white primer is provided, and comprises the following steps:
step one, preparing a first mixture: mixing titanium dioxide, zinc oxide, a dispersing agent and a part of water according to the formula amount, and grinding to a certain fineness to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the step one, and stirring and mixing for a certain time at a certain rotating speed to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and stirring and mixing for a certain time at a certain rotating speed to obtain a third mixture;
step four, preparing a product: and (4) adding a thixotropic agent with a formula amount into the third mixture obtained in the step three, and stirring and mixing for a certain time at a certain rotating speed to obtain the water-based pigment-sealing white primer.
In the technical scheme, in the first step, titanium dioxide, zinc oxide, a dispersing agent and a part of water in the formula are stirred and mixed for 10min to 15min at the rotating speed of 900rpm to 1100rpm, and then ground until the fineness is less than or equal to 25 mu to obtain a first mixture;
and in the second step, stirring and mixing for 10-15 min at the rotating speed of 600-800 rpm to obtain a second mixture.
In the above technical scheme, in the third step, the mixture is stirred and mixed for 10min to 15min at a rotation speed of 600rpm to 800rpm to obtain a third mixture.
In the technical scheme, in the fourth step, stirring and mixing are carried out at the rotating speed of 600-800 rpm for 10-15 min, and the water-based pigment-sealing white base coating is prepared.
In the technical scheme, the mass ratio of part of water in the first step to the rest of water in the second step is 2-3: 2-3.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a water-based pigment-sealing white primer paint which comprises titanium dioxide, zinc oxide, a dispersing agent, water, an acrylic emulsion, a wetting agent, a defoaming agent, a pH regulator, an oily film-forming assistant and a thixotropic agent. Because acid substances, pigments and the like represented by tannic acid in the materials have strong hydrophilicity and color and float on the surface of a paint film along with moisture in the drying process of the paint film, the metal oxide zinc oxide is introduced into a formula system, and the acid substances are locked in the bottom layer paint film by utilizing the mechanism of acid-base reaction, so that the defect of color change of the water-based paint film is thoroughly overcome. In addition, the zinc salt generated by the reaction is stable and has low solubility, can stably exist in an aqueous system and has no influence on the final white primer coating film. Therefore, the water-based pigment-sealing white primer has the advantages of good pigment-sealing effect, no need of using a transparent sealing primer, simplified decoration process and better coating effect.
(2) The water-based pigment-sealing white primer provided by the invention achieves a sealing effect by selecting the acrylic emulsion with low molecular weight and high crosslinking density in a film forming process as a film forming resin; the oily film-forming assistant (DPNB and TPNB) is selected to increase the crosslinking density of a paint film and improve the water resistance, so that the floating of pigment in a lower-layer coating film is reduced in the water-based recoating process, and the solubility of hydrophilic pigment can be reduced in the drying process.
(3) The water-based pigment-sealing white primer provided by the invention has the advantages that the increase of the pigment-preventing effect can reduce the common bottom sealing process in the water-based wood paint, the water-based pigment-sealing white primer is changed, and the paint film effect and the pigment-preventing effect are better.
(4) The preparation method of the water-based pigment-sealing white primer provided by the invention has the characteristics of simple process, low production cost and suitability for large-scale production.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Wherein, the DPNB refers to dipropylene glycol butyl ether, and the TPNB refers to tripropylene glycol butyl ether.
Example 1.
The water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000041
Figure BDA0002254253490000051
wherein the oily film-forming assistant is an oily film-forming assistant DPNB and an oily film-forming assistant TPNB in a mass ratio of 1:1 in the composition of claim 1.
Wherein the dispersant is BYK-190 dispersant; the acrylic emulsion is Dow EXP-6037 acrylic emulsion; the wetting agent is BYK-349 wetting agent; the defoaming agent is TEGO FOAMEX 822 defoaming agent; the pH regulator is SOLVAY AN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
The preparation method of the water-based pigment-sealing white primer comprises the following steps:
step one, preparing a first mixture: stirring and mixing titanium dioxide, zinc oxide, a dispersing agent and a part of water according to the formula amount at the rotating speed of 1000rpm for 12min, and grinding until the fineness is less than or equal to 25 mu to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the first step, and stirring and mixing for 12min at the rotating speed of 700rpm to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and then stirring and mixing at the rotating speed of 700rpm for 12min to obtain a third mixture;
step four, preparing a product: and (3) adding a thixotropic agent in a formula amount into the third mixture obtained in the step three, and then stirring and mixing at the rotating speed of 700rpm for 12min to obtain the water-based pigment sealing white primer.
In this example, the mass ratio of a part of water in the first step to the rest of water in the second step was 1: 1.
Example 2.
The water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000052
Figure BDA0002254253490000061
wherein the oily film-forming aid is an oily film-forming aid DPNB and an oily film-forming aid TPNB in a mass ratio of 0.5: 1.5.
Wherein the dispersant is BYK-190 dispersant; the acrylic emulsion is Dow EXP-6037 acrylic emulsion; the wetting agent is BYK-349 wetting agent; the defoaming agent is TEGO FOAMEX 822 defoaming agent; the pH regulator is SOLVAY AN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
The preparation method of the water-based pigment-sealing white primer comprises the following steps:
step one, preparing a first mixture: mixing titanium dioxide, zinc oxide, a dispersing agent and a part of water according to the formula amount at the rotation speed of 900rpm for 15min, and grinding until the fineness is less than or equal to 25 mu to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the first step, and stirring and mixing for 15min at the rotating speed of 600rpm to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and then stirring and mixing at the rotating speed of 600rpm for 15min to obtain a third mixture;
step four, preparing a product: and (3) adding a thixotropic agent in a formula amount into the third mixture obtained in the step three, and then stirring and mixing at the rotating speed of 600rpm for 15min to obtain the water-based pigment sealing white primer.
In this example, the mass ratio of a part of water in the first step to the rest of water in the second step was 2: 3.
Example 3.
The water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000062
Figure BDA0002254253490000071
wherein the oily film-forming aid is an oily film-forming aid DPNB and an oily film-forming aid TPNB in a mass ratio of 1.5: 0.5 of the composition.
Wherein the dispersant is BYK-190 dispersant; the acrylic emulsion is Dow EXP-6037 acrylic emulsion; the wetting agent is BYK-349 wetting agent; the defoaming agent is TEGO FOAMEX 822 defoaming agent; the pH regulator is SOLVAY AN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
The preparation method of the water-based pigment-sealing white primer comprises the following steps:
step one, preparing a first mixture: stirring and mixing titanium dioxide, zinc oxide, a dispersing agent and a part of water according to the formula amount at the rotating speed of 1100rpm for 10min, and grinding until the fineness is less than or equal to 25 mu to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the first step, and stirring and mixing for 10min at the rotating speed of 800rpm to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and then stirring and mixing at the rotating speed of 800rpm for 10min to obtain a third mixture;
step four, preparing a product: and (3) adding a thixotropic agent with a formula amount into the third mixture obtained in the step three, and then stirring and mixing at the rotating speed of 800rpm for 10min to obtain the water-based pigment sealing white primer.
In this example, the mass ratio of a part of water in the first step to the rest of water in the second step was 3:2.
Example 4.
The water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000072
Figure BDA0002254253490000081
wherein the oily film-forming assistant is an oily film-forming assistant DPNB and an oily film-forming assistant TPNB in a mass ratio of 0.8: 1.3.
Wherein the dispersant is BYK-190 dispersant; the acrylic emulsion is Dow EXP-6037 acrylic emulsion; the wetting agent is BYK-349 wetting agent; the defoaming agent is TEGO FOAMEX 822 defoaming agent; the pH regulator is SOLVAY AN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
The preparation method of the water-based pigment-sealing white primer comprises the following steps:
step one, preparing a first mixture: mixing titanium dioxide, zinc oxide, a dispersing agent and a part of water according to the formula amount at a rotation speed of 950rpm for 14min, and grinding until the fineness is less than or equal to 25 mu to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the first step, and stirring and mixing for 14min at the rotating speed of 650rpm to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and then stirring and mixing at the rotating speed of 650rpm for 14min to obtain a third mixture;
step four, preparing a product: and adding a thixotropic agent in a formula amount into the third mixture obtained in the step three, and stirring and mixing at the rotating speed of 650rpm for 14min to obtain the water-based pigment sealing white primer.
In this example, the mass ratio of a part of water in the first step to the rest of water in the second step was 2.5: 2.
Example 5.
The water-based pigment-sealing white primer comprises the following raw materials in parts by weight:
Figure BDA0002254253490000082
Figure BDA0002254253490000091
wherein the oily film-forming assistant is an oily film-forming assistant DPNB and an oily film-forming assistant TPNB in a mass ratio of 1.2: 0.7 of the composition.
Wherein the dispersant is BYK-190 dispersant; the acrylic emulsion is Dow EXP-6037 acrylic emulsion; the wetting agent is BYK-349 wetting agent; the defoaming agent is TEGO FOAMEX 822 defoaming agent; the pH regulator is SOLVAY AN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
The preparation method of the water-based pigment-sealing white primer comprises the following steps:
step one, preparing a first mixture: mixing the titanium dioxide, the zinc oxide, the dispersing agent and a part of water according to the formula amount at the rotating speed of 1050rpm for 11min, and grinding until the fineness is less than or equal to 25 mu to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the first step, and stirring and mixing for 11min at the rotating speed of 750rpm to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and stirring and mixing at the rotating speed of 750rpm for 11min to obtain a third mixture;
step four, preparing a product: and (3) adding a thixotropic agent in a formula amount into the third mixture obtained in the step three, and then stirring and mixing at the rotating speed of 750rpm for 11min to obtain the water-based pigment sealing white primer.
In this example, the mass ratio of a part of water in the first step to the rest of water in the second step was 3: 2.5.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The water-based pigment-sealing white primer is characterized by comprising the following components in parts by weight: the composite material comprises the following raw materials in parts by weight:
Figure FDA0002254253480000011
2. the aqueous color-sealing white primer according to claim 1, characterized in that: the composite material comprises the following raw materials in parts by weight:
Figure FDA0002254253480000012
3. the aqueous color-sealing white primer according to claim 1, characterized in that: the composite material comprises the following raw materials in parts by weight:
Figure FDA0002254253480000013
Figure FDA0002254253480000021
4. the aqueous color-sealing white primer according to claim 1, characterized in that: the oily film-forming assistant is an oily film-forming assistant DPNB and an oily film-forming assistant TPNB in a mass ratio of 0.5-1.5: 0.5 to 1.5 in terms of a surfactant.
5. The aqueous color-sealing white primer according to claim 1, characterized in that: the dispersant is a BYK-190 dispersant; the acrylic emulsion is a Dow EXP-6037 acrylic emulsion; the wetting agent is a BYK-349 wetting agent; the defoaming agent is a TEGO FOAMEX 822 defoaming agent; the pH regulator is a SOLVAY AN130pH regulator; the thixotropic agent is a Dow RM-12W thixotropic agent.
6. The method for preparing an aqueous color-sealing white primer according to any one of claims 1 to 5, wherein: it comprises the following steps:
step one, preparing a first mixture: mixing titanium dioxide, zinc oxide, a dispersing agent and a part of water according to the formula amount, and grinding to a certain fineness to obtain a first mixture;
step two, preparing a second mixture: adding the acrylic emulsion and the rest water in the formula amount into the first mixture obtained in the step one, and stirring and mixing for a certain time at a certain rotating speed to obtain a second mixture;
step three, preparing a third mixture: adding a wetting agent, a defoaming agent, a pH regulator and an oily film-forming aid in the formula amount into the second mixture obtained in the step two, and stirring and mixing for a certain time at a certain rotating speed to obtain a third mixture;
step four, preparing a product: and (4) adding a thixotropic agent with a formula amount into the third mixture obtained in the step three, and stirring and mixing for a certain time at a certain rotating speed to obtain the water-based pigment-sealing white primer.
7. The preparation method of the water-based pigment-sealing white primer according to claim 6, characterized in that: in the first step, titanium dioxide, zinc oxide, a dispersing agent and a part of water in the formula amount are stirred and mixed for 10min to 15min at the rotating speed of 900rpm to 1100rpm, and then ground until the fineness is less than or equal to 25 mu to obtain a first mixture;
and in the second step, stirring and mixing for 10-15 min at the rotating speed of 600-800 rpm to obtain a second mixture.
8. The preparation method of the water-based pigment-sealing white primer according to claim 6, characterized in that: and in the third step, stirring and mixing for 10-15 min at the rotating speed of 600-800 rpm to obtain a third mixture.
9. The preparation method of the water-based pigment-sealing white primer according to claim 6, characterized in that: and in the fourth step, stirring and mixing at the rotating speed of 600-800 rpm for 10-15 min to obtain the water-based pigment sealing white primer.
10. The preparation method of the water-based pigment-sealing white primer according to claim 6, characterized in that: the mass ratio of part of water in the first step to the rest of water in the second step is 2-3: 2-3.
CN201911046398.1A 2019-10-30 2019-10-30 Water-based pigment-sealing white primer and preparation method thereof Pending CN110885596A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105440853A (en) * 2015-12-16 2016-03-30 三棵树涂料股份有限公司 Long-acting anti-efflorescence primer and preparation method thereof
CN108373645A (en) * 2016-11-16 2018-08-07 中国林业科学研究院林业新技术研究所 A method of inhibiting woodwork brightness reversion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105440853A (en) * 2015-12-16 2016-03-30 三棵树涂料股份有限公司 Long-acting anti-efflorescence primer and preparation method thereof
CN108373645A (en) * 2016-11-16 2018-08-07 中国林业科学研究院林业新技术研究所 A method of inhibiting woodwork brightness reversion

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Application publication date: 20200317