CN113683943A - Water-based epoxy self-leveling floor coating and application method thereof - Google Patents
Water-based epoxy self-leveling floor coating and application method thereof Download PDFInfo
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- CN113683943A CN113683943A CN202111032643.0A CN202111032643A CN113683943A CN 113683943 A CN113683943 A CN 113683943A CN 202111032643 A CN202111032643 A CN 202111032643A CN 113683943 A CN113683943 A CN 113683943A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D7/20—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
- C09D7/47—Levelling agents
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
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- 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
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- C08K2003/2241—Titanium dioxide
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- 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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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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Abstract
The invention belongs to the field of floor coatings, and particularly relates to a water-based epoxy self-leveling floor coating and a using method thereof. The invention limits the composition and the dosage of the A component and the B component of the primer, the intermediate paint and the finish paint, and when the two components interact to form a film, the components have good compatibility, are matched with each other and act together, and finally the water-based epoxy self-leveling floor coating which is environment-friendly and has strong wear resistance is obtained. The embodiment shows that the surface drying speed of the waterborne epoxy self-leveling floor coating prepared by the invention is high, and the waterborne epoxy self-leveling floor coating has the advantages of good wear resistance, chemical resistance and the like.
Description
Technical Field
The invention belongs to the field of floor coatings, and particularly relates to a water-based epoxy self-leveling floor coating and a using method thereof.
Background
The epoxy resin paint has the characteristics of good adhesion to concrete, low volume shrinkage, good water resistance, oil resistance, chemical corrosion resistance, high hardness, high wear resistance, excellent cohesiveness and the like, and is widely applied to factory decoration, mall decoration, garage decoration, home decoration and the like.
In the prior art, the epoxy floor paint includes solvent type epoxy floor paint and water-based epoxy floor paint. The solvent type epoxy floor paint contains a large amount of volatile organic solvents, can cause certain harm to human health and environment, and is easy to generate undesirable phenomena of bubbling, falling and the like due to poor air permeability of a coating film.
The water-based epoxy floor paint takes water as a dispersion medium, has low content of Volatile Organic Compounds (VOC) in a system and has little pollution to the environment; the cured coating has a microporous structure, allows water vapor to permeate but does not allow a liquid medium to pass through, and releases the pressure of the water vapor in the base material, so that the problems of bubbling, falling and the like of the coating are avoided. With the improvement of environmental awareness of people, the development of the water-based epoxy floor paint has become a necessary trend. However, the solid content of the aqueous curing agent in the aqueous epoxy floor paint in the prior art is between 35% and 50%, the viscosity is high, and the aqueous curing agent has high viscosity, so that a large amount of diluent is required to dilute the aqueous curing agent during use, the solid content of the aqueous curing agent is further reduced, and the diluted aqueous epoxy floor paint can only be thinly coated. If a paint film with a thicker thickness is obtained, the paint film can only be obtained by coating for many times, but the solid content of the diluted waterborne epoxy floor paint is low, so that the final paint film becomes soft and has poorer wear resistance.
Disclosure of Invention
In view of the above, the invention provides a water-based epoxy self-leveling floor coating and a use method thereof. The paint film obtained by the waterborne epoxy self-leveling floor coating provided by the invention has good wear resistance.
In order to realize the aim, the invention provides a water-based epoxy self-leveling floor coating, which comprises a primer, a middle paint and a finish paint which are independently packaged; the primer comprises a primer A component and a primer B component which are independently packaged; the intermediate paint comprises an intermediate paint A component and an intermediate paint B component which are independently subpackaged; the finish paint comprises a finish paint A component and a finish paint B component which are independently packaged; the primer A component, the intermediate paint A component and the finish paint A component are epoxy resin emulsion; the primer B component comprises a water-based epoxy curing agent; the intermediate paint B component comprises the following components in parts by weight: 25-35 parts of a water-based epoxy curing agent, 0.2-0.3 part of a wetting agent, 4.0-8.0 parts of a pigment, 35-45 parts of a first filler, 0.1-0.3 part of a defoaming agent and 15-30 parts of water; the finish paint B component comprises the following components in parts by weight: 45-55 parts of water-based epoxy curing agent, 0.5-1.5 parts of wetting agent, 0.2-0.4 part of defoaming agent, 0.5-1.5 parts of pigment, 30-35 parts of second filler, 0.2-0.5 part of flatting agent, 0.1-0.2 part of color paste and 6.0-16.0 parts of water.
In the waterborne epoxy self-leveling floor coating provided by the invention, the primer, the intermediate paint and the finish paint are all composed of the A part and the B part, and the resin component (epoxy resin emulsion) and the curing agent-containing two components are crosslinked into a film through a chemical method during film forming. The component A of the primer and the component B of the primer have good compatibility, and a paint film obtained by matching the component A of the primer and the component B of the primer has good adhesion. The solid content of the intermediate paint B component is 70-80%, and the viscosity is 115-135 KU/25 ℃ (measured by a SPM viscometer), namely the intermediate paint B component has the characteristics of high solid content and low viscosity, and can meet the construction requirement without dilution; and the film forming thickness can reach 1-2 mm, so that the obtained paint film has good wear resistance. Meanwhile, the solid content of the finish paint B component is 85-93%, the viscosity is 90-110 KU/25 ℃ (measured by a SPM viscometer), namely the finish paint B component has the characteristics of high solid content and low viscosity, the construction requirement can be met without dilution, the film forming thickness can reach 1mm, and the obtained paint film has good wear resistance. In addition, the solvent of the primer B component, the intermediate paint B component and the finish paint B component is water, so that the requirements of environmental protection are met, and the convenience of construction is facilitated.
The data of the examples show that: when the primer, the intermediate paint and the finish paint in the waterborne epoxy self-leveling floor coating are used in a matched manner, the abrasion loss of 500r of the abrasion machine is 0.049-0.05 g, and the waterborne epoxy self-leveling floor coating has excellent wear resistance.
Detailed Description
The invention provides a water-based epoxy self-leveling floor coating, which comprises a primer, a middle paint and a finish paint which are independently packaged; the primer comprises a primer A component and a primer B component which are independently packaged; the intermediate paint comprises an intermediate paint A component and an intermediate paint B component which are independently subpackaged; the finish paint comprises a finish paint A component and a finish paint B component which are independently packaged.
In the present invention, the starting materials or reagents used are commercially available products well known to those skilled in the art, unless otherwise specified.
The primer of the water-based epoxy self-leveling floor coating preferably comprises a primer A component and a primer B component which are independently packaged. The mass ratio of the primer A component to the primer B component is preferably 1: 3.
in the invention, the primer A component comprises epoxy resin emulsion.
In the invention, the epoxy resin emulsion preferably comprises 80-90 parts by weight of epoxy resin, and more preferably 80, 85 or 90 parts by weight of epoxy resin. In the present invention, the epoxy resin is preferably E51 epoxy resin.
In the invention, the epoxy resin emulsion preferably comprises 10-20 parts by weight of a diluent, and particularly preferably 10, 15 or 20 parts by weight of the diluent. In the present invention, the diluent preferably includes butyl glycidyl ether or aliphatic glycidyl ether, more preferably butyl glycidyl ether 501A or aliphatic glycidyl ether D-1214, and still more preferably butyl glycidyl ether 501A. In the present invention, the addition of the diluent is advantageous for reducing the viscosity of the coating.
In the present invention, the primer B component includes a water-based epoxy curing agent. In the present invention, the aqueous epoxy curing agent is preferably an aqueous epoxy curing agent H258B. In the present invention, the aqueous epoxy curing agent is preferably used in the form of an aqueous solution of an aqueous epoxy curing agent. In the invention, the aqueous epoxy curing agent solution preferably comprises 40-60 parts by weight of aqueous epoxy curing agent, and particularly preferably 40, 50 or 60 parts by weight of aqueous epoxy curing agent solution.
In the invention, the aqueous solution of the aqueous epoxy curing agent preferably comprises 40-60 parts of water, and particularly preferably 40, 50 or 60 parts of water. In the present invention, the water is preferably tap water.
In the invention, the composition of the intermediate paint A component is preferably the same as that of the primer A component, and the description is omitted.
In the invention, the intermediate paint B component comprises 25-35 parts by weight of water-based epoxy curing agent, and particularly preferably 25 parts, 30 parts and 35 parts.
In the invention, the intermediate paint B component comprises 0.2-0.3 part of wetting agent, preferably 0.3 part by weight. In the invention, the wetting agent preferably comprises one or more of wetting agents BYK-190, BYK-250 and BYK-346, preferably BYK-190, BYK-250 or BYK-346.
In the invention, the intermediate paint B component comprises 4.0-8.0 parts of pigment, preferably 5.0 parts by weight. In the present invention, the pigment preferably comprises titanium dioxide. The titanium dioxide is preferably titanium dioxide R998.
In the invention, the intermediate paint B component comprises 35-45 parts by weight of first filler, preferably 40 parts by weight. In the present invention, the first filler preferably includes one or more of heavy calcium carbonate and/or silica powder, more preferably heavy calcium carbonate.
In the invention, the intermediate paint B component comprises 0.1-0.3 part of defoaming agent, preferably 0.2-0.3 part by weight. In the invention, the defoaming agent preferably comprises one or more of defoaming agent BYK-011, defoaming agent H280 and defoaming agent BYK-024, and more preferably BYK-011, defoaming agent H280 or defoaming agent BYK-024.
In the invention, the intermediate paint B component comprises 15-30 parts by weight of water, preferably 18-30 parts by weight of water.
In the invention, the components of the finish paint A are preferably the same as the components of the primer A in parts by weight, and are not described again.
According to the invention, the finishing coat component B comprises 45-55 parts of a water-based epoxy curing agent, and particularly preferably 45, 50 and 55 parts.
According to the invention, the finishing coat component B comprises 0.5-1.5 parts of wetting agent, preferably 1.0-1.5 parts by weight.
According to the invention, the finishing coat component B comprises 0.2-0.4 part of defoaming agent, preferably 0.3-0.4 part.
According to the invention, the finishing coat component B comprises 0.5-1.5 parts of pigment, preferably 1.0 part.
According to the invention, the finishing coat component B comprises 30-35 parts of a second filler, preferably 31-35 parts. In the invention, the second filler is preferably a mixture of quartz powder, talcum powder and barium sulfate; the mass ratio of the quartz powder to the talcum powder to the barium sulfate in the mixture of the quartz powder, the talcum powder and the barium sulfate is preferably (14-16): (2.0-3.0): (14-16), more preferably (14.5-15.5): (2.0-2.5): (14.5-15.5). In the invention, the particle size of the quartz powder is preferably 800-1000 meshes, and more preferably 900-1000 meshes; the quartz powder is preferably quartz powder JYEG-12. In the invention, the particle size of the talcum powder is preferably 1200-1300 meshes, and more preferably 1250-1300 meshes. In the invention, the particle size of the barium sulfate is preferably 500-1000 meshes, and more preferably 800-1000 meshes; the density of the barium sulfate is preferably 4.2g/m3. In the present invention, the barium sulfate is preferably natural barium sulfate.
According to the invention, the parameter of the quartz powder is set to be the parameter, so that the tank opening effect of the coating can be obviously improved, the coating is not layered, the coating has the characteristics of thixotropy, sagging resistance, good construction performance and the like, especially the anti-contamination performance is greatly improved, and the coating has excellent self-cleaning capability and adhesive force. In the invention, the crystal of the talcum powder filler presents a layered structure and has the tendency of being easily cracked into scales and special lubricity, so that the coating has good leveling property when the talcum powder with the content is added. According to the invention, the barium sulfate is arranged according to the above arrangement, so that the coating system is kept stable, the high density of the barium sulfate brings good wear resistance, and the barium sulfate has good compatibility with other materials, and is beneficial to enhancing the binding force of a coating on a substrate.
In the invention, the solid content of the intermediate paint B component is preferably 70-80%.
According to the invention, the finishing coat component B comprises 0.2-0.5 part of leveling agent, preferably 0.3-0.4 part. In the present invention, the leveling agent is preferably a leveling agent BYK-420 and/or Sannopiride (SN-thinner) 621N, and more preferably a leveling agent BYK-420. The leveling agent BYK-420 disclosed by the invention forms a three-dimensional network structure in a used system, and generates thixotropic fluidity, so that pigment sedimentation is prevented, and the sagging resistance of a coating film is improved.
According to the invention, the finishing paint B component comprises 0.1-0.2 part of color paste, preferably 0.2 part. In the invention, the color paste is preferably carbon black color paste C611.
According to the invention, the finishing paint B component comprises 6.0-16.0 parts of water by weight.
In the invention, the solid content of the finishing coat component B is preferably 85-93%.
The invention also provides a preparation method of the water-based epoxy self-leveling floor coating, which respectively comprises the preparation of the primer A component, the preparation of the primer B component, the preparation of the intermediate paint A component, the preparation of the intermediate paint B component, the preparation of the finish paint A component and the preparation of the finish paint B component.
In the present invention, the preparation method of the primer a component preferably includes: and filtering and packaging the epoxy resin emulsion to obtain the primer A component. More preferably: mixing epoxy resin and a diluent to obtain epoxy resin emulsion, and then filtering and packaging to obtain the primer A component.
In the invention, when the primer A component is prepared, the mixing temperature is preferably 25-35 ℃, and more preferably 25-30 ℃. In the invention, the mixing mode is preferably stirring, and the rotating speed of the stirring is preferably 500-600 r/min, more preferably 500-550 r/min; the mixing time is preferably 15-30 min, and more preferably 20-30 min. The mixing apparatus of the present invention is not particularly limited, and a high-speed mixer known to those skilled in the art may be used. In the invention, the preparation and mixing processes of the primer A component are preferably as follows: adding epoxy resin into a hopper of a high-speed stirrer, starting the high-speed stirrer, and adding a diluent for mixing in a stirring state.
In the invention, when the primer A component is prepared, the aperture of the filtering screen is preferably 100-200 meshes. The packaging bag and the specification thereof are not specially limited, and the packaging bag can be selected according to actual needs.
In the present invention, the preparation method of the primer B component preferably includes: filtering and packaging the waterborne epoxy curing agent to obtain a primer B component; more preferably: and mixing the water-based epoxy curing agent with water to obtain a water-based epoxy curing agent aqueous solution, and then filtering and packaging to obtain the primer B component.
In the present invention, the mixing temperature is preferably the same as the mixing temperature for preparing the primer a component in preparing the primer B component, and the details are not repeated herein. In the invention, the mixing mode is preferably stirring, the rotating speed of the stirring is preferably 500-600 r/min, and the mixing time is preferably 10-30 min, and more preferably 20-30 min. The mixing apparatus of the present invention is not particularly limited, and a high-speed mixer known to those skilled in the art may be used. In the invention, the preparation and mixing processes of the primer B component are preferably as follows: adding the waterborne epoxy curing agent into a hopper of a high-speed stirrer, starting the high-speed stirrer to stir, and adding water to mix under the stirring state.
In the invention, when the primer B component is prepared, the aperture of the filtering screen is preferably 100-200 meshes. The packaging bag for packaging and the specification thereof are not specially limited and can be selected according to actual requirements.
In the present invention, the process and parameters of the preparation method of the intermediate paint A component are the same as those of the primer A component, and the details are not repeated herein.
In the present invention, the method for preparing the intermediate paint B component preferably comprises: the intermediate paint B component is obtained by mixing the waterborne epoxy curing agent, the wetting agent, the pigment, the first filler, the defoaming agent and water, filtering and packaging.
In the present invention, when preparing the intermediate paint B component, the mixing step preferably comprises: carrying out first mixing on a waterborne epoxy resin curing agent and a wetting agent to obtain a first mixture; secondly, mixing the first mixture and water for the second time to obtain a second mixture; thirdly mixing the second mixture, the pigment and the first filler to obtain a third mixture; and then carrying out fourth mixing on the third mixed material and the defoaming agent.
In the invention, when the intermediate paint B component is prepared, the stirring speed of the first mixing is preferably 400-600 r/min; the time for the first mixing is preferably 15 to 30 min. The rotation speed of the second mixing is preferably 600-800 r/min; the time for the second mixing is preferably 10 to 30 min. The stirring speed of the third mixing is preferably 600-800 r/min; the time for the third mixing is preferably 20 to 30 min. The rotating speed of the fourth mixing is preferably 600-800 r/min; the time for the fourth mixing is preferably 20 to 30 min. The components are mixed by adopting the mixing mode and conditions, so that the components are favorably and uniformly mixed, and the components are prevented from being aggregated.
And after fourth mixing, filtering and packaging the obtained mixture to obtain the intermediate paint B component.
In the present invention, the pore size of the filtering screen is preferably the same as that of the primer A component, and the details are not repeated herein. The packaging bag for packaging and the specification thereof are not specially limited and can be selected according to actual requirements.
In the invention, the parameters of the preparation method of the finish paint A are the same as those of the primer A component, and the details are not repeated here.
In the invention, the preparation method of the finishing coat component B preferably comprises the following steps: and mixing the water-based epoxy curing agent, the wetting agent, the defoaming agent, the pigment, the second filler, the flatting agent, the color paste and water, filtering and packaging to obtain the finish paint component B.
In the present invention, when preparing the topcoat B component, the mixing step preferably includes: carrying out first mixing on part of the waterborne epoxy resin curing agent and part of water to obtain a first mixture; secondly, mixing the first mixture and a wetting agent for the second time to obtain a second mixture; then, carrying out third mixing on the second mixture, the second filler and the pigment to obtain a third mixture; then, carrying out fourth mixing on the third mixture, the defoaming agent, the residual waterborne epoxy curing agent and the flatting agent to obtain a fourth mixture; and then, carrying out fifth mixing on the fourth mixed material, the color paste and the residual water.
In the invention, the mass ratio of the part of the water-based epoxy resin curing agent to the rest of the water-based epoxy resin curing agent is preferably 15-25: 30. In the invention, the mass ratio of the partial water to the residual water is preferably 5-15: 1.
In the invention, when the finish paint component B is prepared, the stirring speed of the first mixing is preferably 400-600 r/min; the time for the first mixing is preferably 10 to 30 min. The rotation speed of the second mixing is preferably 500-600 r/min; the time for the second mixing is preferably 15 to 30 min. The stirring speed of the third mixing is preferably 800-1000 r/min; the time for the third mixing is preferably 25 to 35 min. The stirring speed of the fourth mixing is preferably 800-1000 r/min; the fourth mixing time is preferably 20-30 min; the stirring speed of the fifth mixing is preferably 400-500 r/min; the time for the fourth mixing is preferably 20 to 30 min. The components are mixed by adopting the mixing mode and conditions, so that the components are favorably and uniformly mixed, and the components are prevented from being aggregated.
And fifthly, filtering and packaging the obtained mixture to obtain the finish paint component B.
In the present invention, the pore size of the filtering screen is preferably the same as that of the primer A component, and the details are not repeated herein. The packaging bag for packaging and the specification thereof are not specially limited and can be selected according to actual requirements.
The invention also provides a use method of the water-based epoxy self-leveling floor coating, which comprises the following steps:
and sequentially coating one primer, two intermediate paints and two finish paints on the terrace to be coated.
In the invention, the coating thickness of the primer is preferably 0.05-0.1 mm, and more preferably 0.05 mm.
In the invention, the thickness of the intermediate paint is preferably 2-2.5 mm, and more preferably 2 mm.
In the invention, the thickness of the finish paint is 1-1.2 m.
In the invention, the total thickness of the primer, the intermediate paint and the finish paint is preferably 2.05-4.3 mm.
The use method of the water-based epoxy floor paint is not specially limited, and the component A and the component B in the water-based epoxy floor paint are directly mixed when in use.
Wherein, the coating modes of the primer, the intermediate paint and the finish paint are as follows: one priming paint, two intermediate paints and two finishing paints, wherein the intermediate paints can be adjusted according to actual needs.
The following examples are provided to illustrate the waterborne epoxy self-leveling floor coating and the method of using the same, but they should not be construed as limiting the scope of the present invention.
Example 1
Preparation of primer A component:
at 25 ℃, 90g of epoxy resin E51 is put into a hopper of a high-speed stirrer, the high-speed stirrer is started at the rotating speed of 500r/min, then 10g of butyl glycidyl ether 501A is added, and the mixture is stirred for 30 min. Filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the primer A component.
Preparation of primer B component:
at the temperature of 25 ℃, 50g of waterborne epoxy hardener H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started, the rotating speed is 600r/min, then 50g of tap water is added, and the stirring is carried out for 20 min; filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the primer B component.
The intermediate paint A component is prepared as the primer A component.
Preparation of intermediate paint B component:
at the temperature of 25 ℃, 30g of water-based epoxy resin curing agent H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started at the rotating speed of 500r/min, then 0.3g of wetting agent BYK-250 is added, and the mixture is stirred for 20min, so as to obtain a first mixture. And adding 24.4g of tap water into the obtained first mixture, stirring and mixing at the rotating speed of 600r/min for 15min to obtain a second mixture. Then, 5.0g of titanium dioxide R998 and 40g of coarse whiting calcium carbonate are sequentially added into the obtained second mixture, stirred and mixed at the rotating speed of 800R/min for 20min, and a third mixture is obtained. Then, 0.3g of defoaming agent BYK-024 is added into the obtained third mixture, and the mixture is stirred and mixed with the rotating speed of 600r/min for 20 min. Filtering the mixture by using a 200-mesh filter screen, and packaging to obtain the intermediate paint B component.
The preparation of the finishing coat component A is the same as that of the priming paint component A.
Preparing a finishing coat component B:
at the temperature of 25 ℃, 20g of waterborne epoxy hardener H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started, the rotating speed is 400r/min, then 10g of tap water is added, and the stirring is carried out for 15min, so as to obtain a first mixture. And adding 1.0g of wetting agent BYK-250 into the obtained first mixture, stirring and mixing at the rotating speed of 600r/min for 20min to obtain a second mixture. And then sequentially adding 1.0g of titanium dioxide R998, 15g of quartz powder, 2g of talcum powder and 15g of natural barium sulfate into the second mixture, stirring and mixing at the rotating speed of 1000R/min for 30min to obtain a third mixture. Then, sequentially adding 0.3g of defoaming agent BYK-024, 30g of water-based epoxy curing agent H258 and 0.4g of flatting agent BYK-420 into the third mixture, stirring and mixing at the rotating speed of 800r/min for 10min to obtain a fourth mixture; then, 0.2g of carbon black color paste C611 and 1g of water are sequentially added into the fourth mixture for stirring and mixing, the rotating speed is 500r/min, and the stirring is carried out for 20 min. And filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the finish paint component B.
Example 2
Preparation of primer A component:
at 25 ℃, 85g of epoxy resin E51 is put into a hopper of a high-speed stirrer, the high-speed stirrer is started at the rotating speed of 500r/min, and then 15g of butyl glycidyl ether 501A is added and stirred for 30 min. Filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the primer A component.
Preparation of primer B component:
at the temperature of 25 ℃, 40g of waterborne epoxy hardener H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started, the rotating speed is 600r/min, then 60g of tap water is added, and the stirring is carried out for 20 min; filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the primer B component.
The intermediate paint A component is prepared as the primer A component.
Preparation of intermediate paint B component:
at the temperature of 25 ℃, 25g of waterborne epoxy resin curing agent H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started at the rotating speed of 500r/min, then 0.3g of wetting agent BYK-346 is added, and the mixture is stirred for 20min, so as to obtain a first mixture. And adding 29.4g of tap water into the obtained first mixture, stirring and mixing at the rotating speed of 600r/min for 20min to obtain a second mixture. And then sequentially adding 5.0g of titanium dioxide R998 and 40g of heavy calcium carbonate into the obtained second mixture, stirring and mixing at the rotating speed of 800R/min for 20min to obtain a third mixture. Then, 0.3g of defoaming agent BYK-024 is added into the obtained third mixture, and the mixture is stirred and mixed with the rotating speed of 600r/min for 20 min. Filtering the mixture by using a 200-mesh filter screen, and packaging to obtain the intermediate paint B component.
The preparation of the finishing coat A is the same as the component A of the primer.
Preparing finish B: at the temperature of 25 ℃, 15g of waterborne epoxy hardener H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started, the rotating speed is 400r/min, then 15g of tap water is added, and the mixture is stirred for 20min, so as to obtain a first mixture.
And adding 1.0g of wetting agent BYK-346 into the obtained first mixture, stirring and mixing at the rotating speed of 600r/min for 20min to obtain a second mixture. And then sequentially adding 1.0g of titanium dioxide R998, 15g of quartz powder, 2g of talcum powder and 15g of natural barium sulfate into the second mixture, stirring and mixing at the rotating speed of 1000R/min for 30min to obtain a third mixture. Then, sequentially adding 0.4g of defoaming agent BYK-024, 30g of water-based epoxy curing agent H258 and 0.3g of flatting agent BYK-420 into the third mixture, stirring and mixing at the rotating speed of 800r/min for 10min to obtain a fourth mixture; then, 0.2g of carbon black color paste C611 and 1g of water are sequentially added into the fourth mixture for stirring and mixing, the rotating speed is 600r/min, and the stirring is carried out for 20 min. And filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the finish paint component B.
Example 3
At 25 ℃, 80g of epoxy resin E51 is put into a hopper of a high-speed stirrer, the high-speed stirrer is started at the rotating speed of 500r/min, and then 20g of butyl glycidyl ether 501A is added and stirred for 30 min. Filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the primer A component.
Preparation of primer B component:
adding 60g of waterborne epoxy hardener H258B into a hopper of a high-speed stirrer at 25 ℃, starting the high-speed stirrer at the rotating speed of 600r/min, then adding 40g of tap water, and stirring for 20 min; filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the primer B component.
The intermediate paint A component is prepared as the primer A component.
Preparation of intermediate paint B component:
at the temperature of 25 ℃, 35g of water-based epoxy resin curing agent H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started at the rotating speed of 500r/min, then 0.3g of wetting agent BYK-190 is added, and the mixture is stirred for 20min, so as to obtain a first mixture. And adding 19.4g of tap water into the obtained first mixture, stirring and mixing at the rotating speed of 600r/min for 20min to obtain a second mixture. And then sequentially adding 5.0g of titanium dioxide R998 and 40g of heavy calcium carbonate into the obtained second mixture, stirring and mixing at the rotating speed of 800R/min for 20min to obtain a third mixture. Then, 0.3g of defoaming agent BYK-011 is added into the third mixture, and the mixture is stirred and mixed at the rotating speed of 600r/min for 20 min. Filtering the mixture by using a 200-mesh filter screen, and packaging to obtain the intermediate paint B component.
The preparation of the finishing coat A is the same as the component A of the primer.
Preparing a finishing coat component B:
at the temperature of 25 ℃, 25g of waterborne epoxy hardener H258B is added into a hopper of a high-speed stirrer, the high-speed stirrer is started, the rotating speed is 400r/min, then 5g of tap water is added, and the stirring is carried out for 25min, so as to obtain a first mixture.
And adding 1.0g of wetting agent BYK-190 into the obtained first mixture, stirring and mixing at the rotating speed of 600r/min for 20min to obtain a second mixture. And then sequentially adding 1.0g of titanium dioxide R998, 15g of quartz powder, 2g of talcum powder and 15g of natural barium sulfate into the second mixture, stirring and mixing at the rotating speed of 1000R/min for 30min to obtain a third mixture. Then, sequentially adding 0.4g of defoaming agent BYK-011, 30g of waterborne epoxy curing agent H258 and 0.3g of flatting agent BYK-420 into the third mixture, stirring and mixing at the rotating speed of 800r/min for 10min to obtain a fourth mixture; then, 0.2g of carbon black color paste C611 and 1g of water are sequentially added into the fourth mixture for stirring and mixing, the rotating speed is 600r/min, and the stirring is carried out for 30 min. And filtering the mixture by using a 200-mesh filter screen, and then packaging to obtain the finish paint component B.
The primer obtained in example 1 is prepared by mixing the primer A component and the primer B component in a mass ratio of 1: 3, placing the mixture in a clean environment at room temperature, curing for 24 hours, and detecting according to GB/T22374-2008, wherein the detection results are shown in Table 1.
TABLE 1 Performance testing of the primers
As can be seen from table 1: the primer prepared by the invention has good adhesive force, and the paint film is complete and does not bubble or peel.
The intermediate paint obtained in the embodiment 1-3 is prepared by mixing an intermediate paint A component and an intermediate paint B component according to the mass ratio of 1: 5 after the plate is manufactured (the thickness is 1mm), the plate is placed in a clean environment under the room temperature condition, after the maintenance is carried out for 24 hours, the detection is carried out according to GB/T22374 and 2008, and the detection result is shown in Table 2.
The viscosity of the B component of the intermediate paint was also measured in terms of the viscosity of the paint film, and as a result of the measurements, the B component of the intermediate paint described in example 1 had a viscosity of 115KU/25 degrees Celsius, the B component of the intermediate paint described in example 2 had a viscosity of 125KU/25 degrees Celsius, and the B component of the intermediate paint described in example 3 had a viscosity of 135KU/25 degrees Celsius.
TABLE 2 results of performance test of intermediate paint layers obtained in examples 1 to 3
As can be seen from table 2: the intermediate paint prepared by the invention has good impact resistance, adhesive force and leveling property.
And (3) coating the finish paint obtained in the example 1-3 according to the mass ratio of the finish paint A to the finish paint B of 1: 3 (thickness is 1mm), placing in a clean environment at room temperature, curing for 24h, and detecting according to standard HG/T3829-2006, wherein the detection results are shown in Table 3.
The viscosity of the B component of the finish paint is also tested according to the viscosity of a paint film, and through the test, the viscosity of the B component of the finish paint in the embodiment 1 is 90KU/25 ℃, the viscosity of the B component of the finish paint in the embodiment 2 is 100KU/25 ℃, and the viscosity of the B component of the finish paint in the embodiment 2 is 110KU/25 ℃.
TABLE 3 results of testing the properties of the top coats obtained in examples 1 to 3
As can be seen from table 3: the surface drying speed of the finish paint prepared by the invention is high, and the finish paint has good wear resistance and wear resistance.
In addition, the primer, the intermediate paint and the finish paint are coated together to prepare the plate, and after curing for 24 hours, detection is carried out according to HB/T3829-2006, and the detection result is shown in Table 4.
Table 4 Performance test results of primer, intermediate coat and topcoat used in combination in examples 1 to 3
As can be seen from table 4: when the primer, the intermediate paint and the finish paint are used in a matching way, the primer, the intermediate paint and the finish paint have good tensile bonding strength and wear resistance.
It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The water-based epoxy self-leveling floor coating is characterized by comprising a primer, a middle paint and a finish paint which are independently packaged;
the primer comprises a primer A component and a primer B component which are independently packaged; the intermediate paint comprises an intermediate paint A component and an intermediate paint B component which are independently subpackaged; the finish paint comprises a finish paint A component and a finish paint B component which are independently packaged;
the primer A component, the intermediate paint A component and the finish paint A component are epoxy resin emulsion;
the primer B component comprises a water-based epoxy curing agent;
the intermediate paint B component comprises the following components in parts by weight:
25-35 parts of a water-based epoxy curing agent, 0.2-0.3 part of a wetting agent, 4.0-8.0 parts of a pigment, 35-45 parts of a first filler, 0.1-0.3 part of a defoaming agent and 15-30 parts of water;
the finish paint B component comprises the following components in parts by weight: 45-55 parts of water-based epoxy curing agent, 0.5-1.5 parts of wetting agent, 0.2-0.4 part of defoaming agent, 0.5-1.5 parts of pigment, 30-35 parts of second filler, 0.2-0.5 part of flatting agent, 0.1-0.2 part of color paste and 6.0-16.0 parts of water.
2. The waterborne epoxy self-leveling floor coating of claim 1, wherein the epoxy resin emulsion comprises the following components in parts by weight:
80-90 parts of epoxy resin and 10-20 parts of diluent.
3. The waterborne epoxy self-leveling floor coating of claim 1, wherein; the mass ratio of the primer A component to the primer B component is 1: 3.
4. the waterborne epoxy self-leveling floor coating according to claim 1, wherein the mass ratio of the intermediate paint A component to the intermediate paint B component is 1: 5.
5. the waterborne epoxy self-leveling floor coating according to claim 1, wherein the mass ratio of the finish paint component A to the finish paint component B is 1: 3.
6. the waterborne epoxy self-leveling floor coating of claim 1, wherein the first filler comprises heavy calcium carbonate and/or silica flour.
7. The aqueous epoxy self-leveling floor coating of claim 1, wherein the color paste comprises carbon black color paste C611; the pigment comprises titanium dioxide.
8. The waterborne epoxy self-leveling floor coating of claim 1, wherein the second filler is a filler mixture of quartz powder, talc and barium sulfate; the mass ratio of the quartz powder to the talcum powder to the barium sulfate in the filler mixture is (14-16): (2.0-3.0): (14-16).
9. The use method of the water-based epoxy self-leveling floor coating of any one of claims 1 to 8, comprising the following steps:
and sequentially coating one primer, two intermediate paints and two finish paints on the terrace to be coated.
10. The use method of the water-based epoxy self-leveling floor coating according to claim 9, wherein the coating thickness of the primer is 0.05-0.1 mm; the coating thickness of the intermediate paint is 1-3 mm; the coating thickness of the finish paint is 1-1.2 mm; the total thickness of the primer, the intermediate paint and the finish paint is 2.05-4.3 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058244A (en) * | 2021-12-14 | 2022-02-18 | 佛山市美联涂料有限公司 | Epoxy floor paint and manufacturing method and construction method thereof |
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| CN111836864A (en) * | 2020-05-28 | 2020-10-27 | 江苏扬农锦湖化工有限公司 | Water-based epoxy floor paint and preparation method thereof |
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| CN112852255A (en) * | 2020-12-31 | 2021-05-28 | 厦门永平堂建筑材料有限公司 | Waterborne wear-resistant epoxy floor coating capable of being rapidly cured |
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| CN104087120A (en) * | 2014-07-14 | 2014-10-08 | 西北永新涂料有限公司 | Waterborne epoxy floor level coating and preparation method thereof |
| CN111836864A (en) * | 2020-05-28 | 2020-10-27 | 江苏扬农锦湖化工有限公司 | Water-based epoxy floor paint and preparation method thereof |
| CN112812651A (en) * | 2020-12-31 | 2021-05-18 | 厦门永平堂建筑材料有限公司 | Graphene water-based wear-resistant epoxy floor coating capable of being rapidly cured |
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| CN114058244A (en) * | 2021-12-14 | 2022-02-18 | 佛山市美联涂料有限公司 | Epoxy floor paint and manufacturing method and construction method thereof |
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