CN113881319A - Corrosion-resistant water-based epoxy floor paint and preparation method thereof - Google Patents
Corrosion-resistant water-based epoxy floor paint and preparation method thereof Download PDFInfo
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- CN113881319A CN113881319A CN202111328952.2A CN202111328952A CN113881319A CN 113881319 A CN113881319 A CN 113881319A CN 202111328952 A CN202111328952 A CN 202111328952A CN 113881319 A CN113881319 A CN 113881319A
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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
- C09D5/08—Anti-corrosive 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
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a corrosion-resistant water-based epoxy floor paint and a preparation method thereof, wherein the corrosion-resistant water-based epoxy floor paint comprises a composition A and a component B, wherein the component A comprises the following raw materials in parts by weight: 40-45 parts of waterborne epoxy resin curing agent, 60-70 parts of water, 3-5 parts of preservative and 1-5 parts of superfine light calcium carbonate powder; 3-10 parts of antistatic agent; the component B comprises the following raw materials in parts by weight: 30-40 parts of water-based modified epoxy resin, 10-20 parts of water-based hyperbranched resin, 10-15 parts of superfine light calcium carbonate powder, 5-10 parts of modified filler, 5-8 parts of linoleic acid, 4-10 parts of graphene, 1-3 parts of preservative, 2-4 parts of dispersant, 3-5 parts of wetting agent, 4-10 parts of surfactant, 1-9 parts of active diluent, 4-8 parts of surface modifier, 2-10 parts of epoxy curing agent, 3-9 parts of water-based defoamer, 1-6 parts of flatting agent, 4-12 parts of kaolin, 2-8 parts of cardanol formaldehyde polycondensate, 1-2 parts of diethylenetriamine, 0.5-1 part of formaldehyde and 60-70 parts of pure water. The invention has high corrosion resistance.
Description
Technical Field
The invention relates to the technical field of floor coatings, in particular to a corrosion-resistant water-based epoxy floor paint and a preparation method thereof.
Background
With the increasing awareness of health and environmental protection, the volatile organic solvent is limited in the coating, and the water-based, solvent-free and solid-free differentiation of the coating becomes a necessary trend for the development of the coating industry. At present, the industrial floor paint in China mainly comprises two types, namely a solvent type floor paint and a solvent-free type floor paint, wherein the solvent type floor paint contains more solvents, the VOA content of the floor paint is high, the environment is polluted in the production and use processes, and the human health is harmed. The solvent-free floor paint contains a small amount of active diluent and a small amount of organic solvent, and has higher manufacturing cost. Therefore, the water-based epoxy floor paint is used as a green and environment-friendly coating product, is an epoxy resin floor material taking water as a medium, has the advantages of small smell, safety, environmental protection, strong decoration, good wear resistance, high flexibility and the like, has obvious advantages in various water-based epoxy floor paints, and is widely concerned and accepted.
However, the paint film formed by the existing common water-based epoxy floor paint has poor water resistance, corrosion resistance and aging resistance, and the phenomenon of paint falling and falling can occur after the paint film is used for a period of time.
Therefore, how to invent the corrosion-resistant water-based epoxy floor paint is very important.
Disclosure of Invention
The invention aims to provide a corrosion-resistant water-based epoxy floor paint and a preparation method thereof, and aims to solve the problem of poor water resistance, corrosion resistance and aging resistance in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the corrosion-resistant water-based epoxy floor paint comprises a composition A and a component B in a painting ratio of 1:2, wherein the component A comprises the following raw materials in parts by weight: 40-45 parts of waterborne epoxy resin curing agent, 60-70 parts of water, 3-5 parts of preservative and 1-5 parts of superfine light calcium carbonate powder; 3-10 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 30-40 parts of water-based modified epoxy resin, 10-20 parts of water-based hyperbranched resin, 10-15 parts of superfine light calcium carbonate powder, 5-10 parts of modified filler, 5-8 parts of linoleic acid, 4-10 parts of graphene, 1-3 parts of preservative, 2-4 parts of dispersant, 3-5 parts of wetting agent, 4-10 parts of surfactant, 1-9 parts of active diluent, 4-8 parts of surface modifier, 2-10 parts of epoxy curing agent, 3-9 parts of water-based defoamer, 1-6 parts of flatting agent, 4-12 parts of kaolin, 2-8 parts of cardanol formaldehyde polycondensate, 1-2 parts of diethylenetriamine, 0.5-1 part of formaldehyde and 60-70 parts of pure water.
Preferably, the component A also comprises the following raw materials in parts by weight: 0.1-0.5 part of anti-scratching agent.
Preferably, the component A also comprises the following raw materials in parts by weight: 10-15 parts of rare earth oxide.
Preferably, the component B also comprises the following raw materials in parts by weight: 12-15 parts of graphite nano-micro sheet.
Preferably, the component A also comprises the following raw materials in parts by weight: 2-5 parts of a flame retardant.
Preferably, the component B also comprises the following raw materials in parts by weight: 1-3 parts of reinforcing agent.
Preferably, the thickness of the graphite nanoplatelets is 12-15 nm.
The invention also discloses a preparation method of the corrosion-resistant water-based epoxy floor paint, which is characterized by comprising the following steps of:
step (1): at normal temperature, mixing the water-based epoxy resin curing agent, water and superfine light calcium carbonate powder in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 100-300 r/min; heating to 90-120min, continuously stirring for 10-15min, adding the antistatic agent and the preservative in parts by weight, continuously stirring to obtain a component A, and independently vacuum-packaging;
step (2): firstly, adding 75% cardanol xylene solution and formaldehyde into a three-neck flask with a stirrer, a thermometer and a reflux condenser, stirring and heating to 80-90 ℃, reacting for 50min, then dropwise adding calculated amount of diethylenetriamine, heating and refluxing for 20-25min, separating out water, stopping the reaction, and cooling to room temperature to prepare cardanol formaldehyde diethylenetriamine for later use;
and (3): at normal temperature, mixing the water-based modified epoxy resin, the water-based hyperbranched resin, the superfine light calcium carbonate powder, the modified filler, the linoleic acid, the graphene, the dispersant, the wetting agent, the surfactant, the active diluent, the surface modifier, the epoxy curing agent, the water-based defoaming agent, the leveling agent, the kaolin and the pure water in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 500-800 r/min; heating to 90-120min, continuously stirring for 10-15min, adding the preservative and cardanol formal diethylenetriamine in parts by weight, continuously stirring to obtain a component B, and performing separate vacuum packaging treatment.
Further, the rotating speed in the step (3) is 600 r/min.
Compared with the prior art, the invention has the following beneficial effects: the cardanol formaldehyde condensation polymer modified by cardanol and diethylenetriamine is blended, crosslinked and combined with epoxy resin to form the cardanol formaldehyde condensation diethylenetriamine polymer, so that the excellent physical and mechanical properties and chemical resistance of the cardanol paint are maintained, the hardness and alkali resistance of the cardanol formaldehyde condensation polymer are obviously improved, the corrosion resistance of the water-based epoxy floor paint can be integrally improved, and the impact strength, toughness, tensile strength and heat resistance of the water-based epoxy floor paint are improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the embodiment discloses a corrosion-resistant water-based epoxy floor paint, which comprises a composition A and a component B, wherein the composition A and the component B are coated in a ratio of 1:2, and the component A comprises the following raw materials in parts by weight: 40-45 parts of waterborne epoxy resin curing agent, 60-70 parts of water, 3-5 parts of preservative and 1-5 parts of superfine light calcium carbonate powder; 3-10 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 30-40 parts of water-based modified epoxy resin, 10-20 parts of water-based hyperbranched resin, 10-15 parts of superfine light calcium carbonate powder, 5-10 parts of modified filler, 5-8 parts of linoleic acid, 4-10 parts of graphene, 1-3 parts of preservative, 2-4 parts of dispersant, 3-5 parts of wetting agent, 4-10 parts of surfactant, 1-9 parts of active diluent, 4-8 parts of surface modifier, 2-10 parts of epoxy curing agent, 3-9 parts of water-based defoamer, 1-6 parts of flatting agent, 4-12 parts of kaolin, 2-8 parts of cardanol formaldehyde polycondensate, 1-2 parts of diethylenetriamine, 0.5-1 part of formaldehyde and 60-70 parts of pure water.
Preferably, the component A also comprises the following raw materials in parts by weight: 0.1-0.5 part of anti-scratching agent.
Preferably, the component A also comprises the following raw materials in parts by weight: 10-15 parts of rare earth oxide.
Preferably, the component B also comprises the following raw materials in parts by weight: 12-15 parts of graphite nano-micro sheet.
Preferably, the component A also comprises the following raw materials in parts by weight: 2-5 parts of a flame retardant.
Preferably, the component B also comprises the following raw materials in parts by weight: 1-3 parts of reinforcing agent.
Preferably, the thickness of the graphite nanoplatelets is 12-15 nm.
The embodiment also discloses a preparation method of the corrosion-resistant water-based epoxy floor paint, which is characterized by comprising the following steps of:
step (1): at normal temperature, mixing the water-based epoxy resin curing agent, water and superfine light calcium carbonate powder in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 100-300 r/min; heating to 90-120min, continuously stirring for 10-15min, adding the antistatic agent and the preservative in parts by weight, continuously stirring to obtain a component A, and independently vacuum-packaging;
step (2): firstly, adding 75% cardanol xylene solution and formaldehyde into a three-neck flask with a stirrer, a thermometer and a reflux condenser, stirring and heating to 80-90 ℃, reacting for 50min, then dropwise adding calculated amount of diethylenetriamine, heating and refluxing for 20-25min, separating out water, stopping the reaction, and cooling to room temperature to prepare cardanol formaldehyde diethylenetriamine for later use;
and (3): at normal temperature, mixing the water-based modified epoxy resin, the water-based hyperbranched resin, the superfine light calcium carbonate powder, the modified filler, the linoleic acid, the graphene, the dispersant, the wetting agent, the surfactant, the active diluent, the surface modifier, the epoxy curing agent, the water-based defoaming agent, the leveling agent, the kaolin and the pure water in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 500-800 r/min; heating to 90-120min, continuously stirring for 10-15min, adding the preservative and cardanol formal diethylenetriamine in parts by weight, continuously stirring to obtain a component B, and performing separate vacuum packaging treatment.
Further, the rotating speed in the step (3) is 600 r/min.
The corrosion-resistant water-based epoxy floor paint in the embodiment comprises a composition A and a component B, wherein the composition A and the component B are coated in a ratio of 1:2, and the component A comprises the following raw materials in parts by weight: 42 parts of waterborne epoxy resin curing agent, 65 parts of water, 4 parts of preservative and 2 parts of superfine light calcium carbonate powder; 4 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 32 parts of waterborne modified epoxy resin, 11 parts of waterborne hyperbranched resin, 11 parts of superfine light calcium carbonate powder, 5.5 parts of modified filler, 7 parts of linoleic acid, 7 parts of graphene, 1 part of preservative, 4 parts of dispersant, 3.5 parts of wetting agent, 7 parts of surfactant, 6 parts of active diluent, 6 parts of surface modifier, 3 parts of epoxy curing agent, 6 parts of waterborne defoamer, 4 parts of flatting agent, 10 parts of kaolin, 3 parts of cardanol formaldehyde polycondensate, 1.5 parts of diethylenetriamine, 0.6 part of formaldehyde and 63 parts of pure water.
When in use, the component B is brushed firstly until 90 percent of the component B is dried, and then the component A is brushed, and the thickness ratio of the component A to the component B is 1:2, so that the corrosion-resistant water-based epoxy floor paint is formed after the component A and the component B are completely dried,
according to the corrosion-resistant water-based epoxy floor paint prepared by the invention, the cardanol formaldehyde condensation polymer modified by cardanol and diethylenetriamine is blended, crosslinked and combined with epoxy resin to form the cardanol formaldehyde condensation diethylenetriamine polymer, so that the excellent physical and mechanical properties and chemical resistance of the cardanol paint are maintained, the hardness and alkali resistance of the cardanol formaldehyde condensation polymer are obviously improved, the corrosion resistance of the water-based epoxy floor paint can be integrally improved, and meanwhile, the impact strength, toughness, tensile strength and heat resistance of the water-based epoxy floor paint are improved, and the water-based epoxy floor paint is not easy to fall off.
Example 2:
the embodiment discloses a corrosion-resistant water-based epoxy floor paint, which comprises a composition A and a component B, wherein the composition A and the component B are coated in a ratio of 1:2, and the component A comprises the following raw materials in parts by weight: 40 parts of waterborne epoxy resin curing agent, 60 parts of water, 3 parts of preservative and 1 part of superfine light calcium carbonate powder; 3 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 30 parts of water-based modified epoxy resin, 10 parts of water-based hyperbranched resin, 10 parts of superfine light calcium carbonate powder, 5 parts of modified filler, 5 parts of linoleic acid, 4 parts of graphene, 1 part of preservative, 2 parts of dispersant, 3 parts of wetting agent, 4 parts of surfactant, 1 part of active diluent, 4 parts of surface modifier, 2 parts of epoxy curing agent, 3 parts of water-based defoaming agent, 1 part of flatting agent, 4 parts of kaolin, 2 parts of cardanol formaldehyde condensation polymer, 1 part of diethylenetriamine, 0.5 part of formaldehyde and 60 parts of pure water.
Preferably, the component A also comprises the following raw materials in parts by weight: 0.1-0.5 part of anti-scratching agent.
Preferably, the component A also comprises the following raw materials in parts by weight: 10-15 parts of rare earth oxide. 12 parts of rare earth oxide described in the present example.
In the embodiment, the overall strength is improved by adding the rare earth oxide.
Example 3:
the embodiment discloses a corrosion-resistant water-based epoxy floor paint, which comprises a composition A and a component B, wherein the composition A and the component B are coated in a ratio of 1:2, and the component A comprises the following raw materials in parts by weight: 42 parts of waterborne epoxy resin curing agent, 62 parts of water, 4.5 parts of preservative and 3 parts of superfine light calcium carbonate powder; 6 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 32 parts of water-based modified epoxy resin, 12 parts of water-based hyperbranched resin, 12 parts of superfine light calcium carbonate powder, 6 parts of modified filler, 6 parts of linoleic acid, 5 parts of graphene, 1.5 parts of preservative, 2.5 parts of dispersant, 3.5 parts of wetting agent, 6 parts of surfactant, 5 parts of active diluent, 4-8 parts of surface modifier, 4 parts of epoxy curing agent, 5 parts of water-based defoamer, 3 parts of flatting agent, 10 parts of kaolin, 5 parts of cardanol formaldehyde polycondensate, 1.5 parts of diethylenetriamine, 0.6 part of formaldehyde and 68 parts of pure water.
Preferably, the component A also comprises the following raw materials in parts by weight: 2-5 parts of a flame retardant. The flame retardant described in this example was 4 parts.
In the embodiment, the overall flame retardance is improved by adding the flame retardant.
Example 4:
the embodiment discloses a corrosion-resistant water-based epoxy floor paint, which comprises a composition A and a component B, wherein the composition A and the component B are coated in a ratio of 1:2, and the component A comprises the following raw materials in parts by weight: 44 parts of waterborne epoxy resin curing agent, 68 parts of water, 4 parts of preservative and 3 parts of superfine light calcium carbonate powder; 3-10 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 30-40 parts of water-based modified epoxy resin, 18 parts of water-based hyperbranched resin, 14 parts of superfine light calcium carbonate powder, 8 parts of modified filler, 6 parts of linoleic acid, 8 parts of graphene, 1-3 parts of preservative, 3 parts of dispersant, 4 parts of wetting agent, 7 parts of surfactant, 7 parts of active diluent, 7 parts of surface modifier, 8 parts of epoxy curing agent, 8 parts of water-based defoaming agent, 5 parts of flatting agent, 11 parts of kaolin, 6 parts of cardanol formaldehyde polycondensate, 1.5 parts of diethylenetriamine, 0.8 part of formaldehyde and 68 parts of pure water.
Preferably, the component B also comprises the following raw materials in parts by weight: 12-15 parts of graphite nano-micro sheet. 14 parts of graphite nanometer microchip.
Preferably, the thickness of the graphite nanoplatelets is 12-15 nm.
The embodiment also discloses a preparation method of the corrosion-resistant water-based epoxy floor paint, which is characterized by comprising the following steps of:
step (1): at normal temperature, mixing the water-based epoxy resin curing agent, water and superfine light calcium carbonate powder in parts by weight; putting the mixture into a reaction kettle, and stirring the mixture evenly at the rotating speed of 200 r/min; heating to 110min, continuing to stir for 14min, then adding the antistatic agent and the preservative in parts by weight, continuing to stir to obtain a component A, and performing independent vacuum packaging treatment;
step (2): adding 75% cardanol xylene solution and formaldehyde into a three-neck flask with a stirrer, a thermometer and a reflux condenser, stirring and heating to 88 ℃, reacting for 50min, then dropwise adding a calculated amount of diethylenetriamine, heating and refluxing for 22min, separating out water, stopping the reaction, and cooling to room temperature to prepare cardanol formal diethylenetriamine for later use;
and (3): at normal temperature, mixing the water-based modified epoxy resin, the water-based hyperbranched resin, the superfine light calcium carbonate powder, the modified filler, the linoleic acid, the graphene, the dispersant, the wetting agent, the surfactant, the active diluent, the surface modifier, the epoxy curing agent, the water-based defoaming agent, the leveling agent, the kaolin and the pure water in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 700 r/min; heating to 110min, continuing stirring for 14min, adding the preservative, the graphite nanoplatelets and the cardanol formal diethylenetriamine in parts by weight, continuing stirring to obtain a component B, and performing separate vacuum packaging treatment.
Compared with other embodiments, the embodiment improves the overall lubricating effect by adding the graphite nanoplatelets.
Example 5:
the embodiment discloses a corrosion-resistant water-based epoxy floor paint, which comprises a composition A and a component B, wherein the composition A and the component B are coated in a ratio of 1:2, and the component A comprises the following raw materials in parts by weight: 45 parts of waterborne epoxy resin curing agent, 70 parts of water, 5 parts of preservative and 5 parts of superfine light calcium carbonate powder; 10 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 40 parts of waterborne modified epoxy resin, 20 parts of waterborne hyperbranched resin, 15 parts of superfine light calcium carbonate powder, 10 parts of modified filler, 8 parts of linoleic acid, 10 parts of graphene, 3 parts of preservative, 4 parts of dispersant, 5 parts of wetting agent, 10 parts of surfactant, 9 parts of active diluent, 8 parts of surface modifier, 10 parts of epoxy curing agent, 9 parts of waterborne defoamer, 6 parts of flatting agent, 12 parts of kaolin, 8 parts of cardanol formaldehyde condensation polymer, 2 parts of diethylenetriamine, 1 part of formaldehyde and 70 parts of pure water.
Preferably, the component B also comprises the following raw materials in parts by weight: 1-3 parts of reinforcing agent and 2 parts of reinforcing agent.
The embodiment also discloses a preparation method of the corrosion-resistant water-based epoxy floor paint, which is characterized by comprising the following steps of:
step (1): at normal temperature, mixing the water-based epoxy resin curing agent, water and superfine light calcium carbonate powder in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 300 r/min; heating to 120min, continuing to stir for 15min, then adding the antistatic agent and the preservative in parts by weight, continuing to stir to obtain a component A, and performing independent vacuum packaging treatment;
step (2): adding 75% cardanol xylene solution and formaldehyde into a three-neck flask with a stirrer, a thermometer and a reflux condenser, stirring and heating to 90 ℃, reacting for 50min, then dropwise adding a calculated amount of diethylenetriamine, heating and refluxing for 25min, separating out water, stopping the reaction, and cooling to room temperature to prepare cardanol formal diethylenetriamine for later use;
and (3): at normal temperature, mixing the water-based modified epoxy resin, the water-based hyperbranched resin, the superfine light calcium carbonate powder, the modified filler, the linoleic acid, the graphene, the dispersant, the wetting agent, the surfactant, the active diluent, the surface modifier, the epoxy curing agent, the water-based defoaming agent, the leveling agent, the kaolin and the pure water in parts by weight; putting the mixture into a reaction kettle, and stirring the mixture evenly at the rotating speed of 800 r/min; heating to 120min, continuing stirring for 15min, then adding the preservative reinforcing agent and the cardanol formal diethylenetriamine in parts by weight, continuing stirring to obtain a component B, and performing separate vacuum packaging treatment.
This embodiment improves the overall strength by adding a reinforcing agent.
The floor paint of the present invention and the prior art were tested in combination with the above examples, and the test results are shown in the following table,
in conclusion, compared with the prior art, the invention has high corrosion resistance, high impact strength, toughness, tensile strength and heat resistance, and is not easy to fall off.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. The utility model provides a corrosion-resistant waterborne epoxy floor paint which characterized in that: the coating comprises a composition A and a component B according to a coating proportion of 1:2, wherein the component A comprises the following raw materials in parts by weight: 40-45 parts of waterborne epoxy resin curing agent, 60-70 parts of water, 3-5 parts of preservative and 1-5 parts of superfine light calcium carbonate powder; 3-10 parts of an antistatic agent; the component B comprises the following raw materials in parts by weight: 30-40 parts of water-based modified epoxy resin, 10-20 parts of water-based hyperbranched resin, 10-15 parts of superfine light calcium carbonate powder, 5-10 parts of modified filler, 5-8 parts of linoleic acid, 4-10 parts of graphene, 1-3 parts of preservative, 2-4 parts of dispersant, 3-5 parts of wetting agent, 4-10 parts of surfactant, 1-9 parts of active diluent, 4-8 parts of surface modifier, 2-10 parts of epoxy curing agent, 3-9 parts of water-based defoamer, 1-6 parts of flatting agent, 4-12 parts of kaolin, 2-8 parts of cardanol formaldehyde polycondensate, 1-2 parts of diethylenetriamine, 0.5-1 part of formaldehyde and 60-70 parts of pure water.
2. The corrosion-resistant water-based epoxy floor paint according to claim 1, characterized in that: the component A also comprises the following raw materials in parts by weight: 0.1-0.5 part of anti-scratching agent.
3. The corrosion-resistant water-based epoxy floor paint according to claim 1, characterized in that: the component A also comprises the following raw materials in parts by weight: 10-15 parts of rare earth oxide.
4. The corrosion-resistant water-based epoxy floor paint according to claim 1, characterized in that: the component B also comprises the following raw materials in parts by weight: 12-15 parts of graphite nano-micro sheet.
5. The corrosion-resistant water-based epoxy floor paint according to claim 1, characterized in that: the component A also comprises the following raw materials in parts by weight: 2-5 parts of a flame retardant.
6. The corrosion-resistant water-based epoxy floor paint according to claim 1, characterized in that: the component B also comprises the following raw materials in parts by weight: 1-3 parts of reinforcing agent.
7. The corrosion-resistant water-based epoxy floor paint according to claim 1, characterized in that: the thickness of the graphite nanometer microchip is 12-15 nm.
8. The preparation method of the corrosion-resistant water-based epoxy floor paint is characterized by comprising the following steps of:
step (1): at normal temperature, mixing the water-based epoxy resin curing agent, water and superfine light calcium carbonate powder in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 100-300 r/min; heating to 90-120min, continuously stirring for 10-15min, adding the antistatic agent and the preservative in parts by weight, continuously stirring to obtain a component A, and independently vacuum-packaging;
step (2): firstly, adding 75% cardanol xylene solution and formaldehyde into a three-neck flask with a stirrer, a thermometer and a reflux condenser, stirring and heating to 80-90 ℃, reacting for 50min, then dropwise adding calculated amount of diethylenetriamine, heating and refluxing for 20-25min, separating out water, stopping the reaction, and cooling to room temperature to prepare cardanol formaldehyde diethylenetriamine for later use;
and (3): at normal temperature, mixing the water-based modified epoxy resin, the water-based hyperbranched resin, the superfine light calcium carbonate powder, the modified filler, the linoleic acid, the graphene, the dispersant, the wetting agent, the surfactant, the active diluent, the surface modifier, the epoxy curing agent, the water-based defoaming agent, the leveling agent, the kaolin and the pure water in parts by weight; putting the mixture into a reaction kettle, and uniformly stirring the mixture at the rotating speed of 500-800 r/min; heating to 90-120min, continuously stirring for 10-15min, adding the preservative and cardanol formal diethylenetriamine in parts by weight, continuously stirring to obtain a component B, and performing separate vacuum packaging treatment.
9. The preparation method of the corrosion-resistant water-based epoxy floor paint according to claim 8, wherein the rotation speed in the step (3) is 600 r/min.
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| CN114989698A (en) * | 2022-06-20 | 2022-09-02 | 广东智能涂料有限公司 | Anti-drop coating |
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