CN114605890A - Quick-drying polishing-free waterborne epoxy primer for rail transit interior decoration and preparation method thereof - Google Patents
Quick-drying polishing-free waterborne epoxy primer for rail transit interior decoration and preparation method thereof Download PDFInfo
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant 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
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/18—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
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention belongs to the technical field of waterborne epoxy coatings, and particularly discloses a quick-drying polishing-free waterborne epoxy primer for rail transit interior decoration and a preparation method thereof. The water-based epoxy primer consists of a component A (main paint) and a component B (curing agent), wherein the component A comprises: 8.0-12.0% of ternary aqueous amine epoxy curing agent, 72.0-80.0% of fireproof flame-retardant environment-friendly composite material, 5.2-6.4% of defoaming leveling slurry, 0.2-0.6% of wetting agent, 0.2-0.4% of dispersing agent, 0.2-0.4% of thickening agent, 0.2-0.6% of aqueous bentonite, 2.8-6.0% of other components and 2.0-2.8% of water; the component B comprises 89.0-91.0% of epoxy resin, 7.0-9.0% of epoxy reactive diluent, 0.3-0.8% of thickening agent and 1.2-1.8% of water; the component A and the component B are stored separately and are mixed evenly according to the weight ratio of 2:1 when in use. The water-based epoxy primer has the advantages of high drying speed, excellent adhesion of a paint film to a substrate, good interlayer adhesion with a water-based polyurethane finish, no polishing construction, health and environmental protection.
Description
Technical Field
The invention belongs to the technical field of water-based epoxy paint, and particularly relates to a quick-drying polishing-free water-based epoxy primer for track traffic interior decoration and a preparation method thereof.
Background
With the rapid development of the rail transit industry in China, the harm of the traditional solvent-based paint to the environment and the health is increasingly paid extensive attention by the society and forbidden limit in different degrees, the research and the popularization of the water-based paint are rapidly increased, and the water-based process of rail transit vehicles starts late but rapidly progresses in the aspect of rail transit interior decoration coating.
At present, the interior decorative substrate of the rail transit vehicle is mainly a glass fiber reinforced plastic composite material, and the coating matching of the interior decorative substrate is generally an epoxy primer and a polyurethane finish paint. The water-based epoxy paint is used as a primer layer for coating the interior trim of the vehicle, and on one hand, the water-based epoxy paint needs to be in direct contact with a putty layer on the surface of a glass fiber reinforced plastic substrate, and on the other hand, the water-based polyurethane finish paint is coated on the surface of the water-based epoxy paint. Therefore, the waterborne epoxy coating not only needs to have excellent adhesion to a putty layer of a substrate, but also needs to have excellent interlayer adhesion with a polyurethane finish.
According to the current interior decoration coating construction process of the railway vehicle, after two aqueous epoxy primers are sprayed, the aqueous polyurethane finish paint is directly sprayed without a polishing procedure. During spraying of the two epoxy primers, the time interval between the two primers is only 10 minutes, the total thickness of dry films of the two primers is 50-70 mu m, and the environment temperature for coating protection is 20-30 ℃. And (3) drying the workpiece sprayed with the two priming paints for 10 minutes at normal temperature, and then immediately entering a baking channel, wherein the temperature of the baking channel is set to be 60 ℃, and the baking time is 1 hour. And after the water-based epoxy primer paint film is dried for 1 hour at the temperature of 60 ℃, spraying water-based polyurethane finish paint. Therefore, the water-based epoxy primer coating for the interior decoration of the rail transit vehicle has the advantages of quick drying, no polishing, excellent bottom layer adhesion to a base material and good interlayer adhesion to a finish paint. Moreover, in order to meet the polishing-free process requirement, the primer coating also has the defects of no sagging of the paint liquid on the surface of the coating pendant, good leveling property of a wet film, flat dry film, no impurities and coarse particles on the surface of a paint film and the like.
The water-based epoxy primer in the market usually only focuses on certain properties and neglects other properties, thereby easily causing application hidden troubles. For example, the hardness, wear resistance and adhesion of epoxy coatings are generally of great concern, and the poor impact resistance of paint films tends to be caused by the high hardness, which leads to the problems of poor flexibility and severe brittleness; however, when a water-based epoxy coating with a fast drying speed of a paint film is pursued, the problem of adhesive force deviation of the paint film on the surfaces of glass fiber reinforced plastic composite substrates, special metal substrates and the like is often caused. The traditional water-based epoxy primer has the problems of easy sagging, irreconcilable sagging resistance and leveling effect, poor flatness of a paint film, poor recoatability of the epoxy primer and the like besides poor spreadability and poor wettability on a glass fiber reinforced plastic composite substrate.
Disclosure of Invention
The invention aims to: the quick-drying polishing-free waterborne epoxy primer for the interior decoration of the rail transit is high in drying speed, excellent in adhesion of a paint film to a substrate, good in interlayer adhesion with a waterborne polyurethane finish, capable of being free of polishing construction, healthy and environment-friendly, good in leveling of a primer coating, free of sagging, free of particles, flat in paint film, and capable of being widely applied to interior decoration primer coating of rail transit vehicles; it is another object of the present invention to provide a method for preparing the waterborne epoxy primer.
In order to achieve the purpose, the invention adopts the following technical scheme:
a quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration comprises a component A (main paint) and a component B (curing agent) in percentage by weight as follows:
component A
Wherein the sum of the weight percentages of the A components is one hundred percent;
b component
Wherein the sum of the weight percentages of the B components is one hundred percent;
the component A and the component B are stored separately and are mixed evenly according to the weight ratio of 2:1 when in use.
In the component A, the ternary aqueous amine epoxy curing agent is a mixture of modified aliphatic amine, modified alicyclic amine and aqueous polyamide, and the weight ratio of the modified aliphatic amine to the modified alicyclic amine to the aqueous polyamide is (2.4-4.0) to (3.0-4.4) to (2.6-3.6).
In the component A, the fireproof flame-retardant environment-friendly composite material consists of nano titanium dioxide, nano zinc borate, fumed silica, nano magnesium hydroxide, nano aluminum hydroxide, calcined kaolin, superfine talcum powder and water, wherein the weight ratio of the nano titanium dioxide, the fumed silica, the nano zinc borate, the nano magnesium hydroxide, the nano aluminum hydroxide, the calcined kaolin, the superfine talcum powder and the water is (18.0-24.0): (0.8-1.2): 1.6-2.4): 5.0-7.0): 4.0-6.0): 1.6-2.4): 12.0-16.0): 20.0-30.0.
In the component A, the defoaming leveling slurry consists of an alcohol ether cosolvent, a polyether siloxane copolymer defoaming agent, a non-organic silicon defoaming agent, an organic silicon leveling agent and water, wherein the weight ratio of the alcohol ether cosolvent to the polyether siloxane copolymer defoaming agent to the non-organic silicon defoaming agent to the organic silicon leveling agent to the water is (1.0-3.0) to (0.1-0.3) to (0.3-0.5) to (0.1-0.5) to (2.0-4.0).
In the component A, the alcohol ether cosolvent is diethylene glycol monobutyl ether, the polyether siloxane copolymer defoamer is Foamex 810 provided by Digao (China) Co., Ltd, the non-organic silicon defoamer is Foamex 830 defoamer provided by Digao (China) Co., Ltd, and the organic silicon leveling agent is CYF-533 leveling agent provided by Zhongshan Changyuan organic silicon material Co., Ltd.
In the component A, the wetting agent is one or two of nonionic polyoxyethylene ether and anionic alkanoate. The nonionic polyoxyethylene ether is one or two of polyoxyethylene tetra-fluorocarbon ether and polyoxyethylene alkyl ether; the anionic alkane acid salt is one or two of sodium alkyl benzene sulfonate and sodium alkyl sulfate.
In the component B, the epoxy resin is produced by Guangdong Shanghai Shun New Material science and technology limited company, and the type of the epoxy resin is HMP-2255.
In the component B, the epoxy reactive diluent is one or two of C12-14 Alkyl Glycidyl Ether (AGE) and Butyl Glycidyl Ether (BGE).
In the present invention, the water is preferably deionized water.
The invention also provides a preparation method of the quick-drying sanding-free waterborne epoxy primer for the rail transit interior decoration, which specifically comprises the following steps:
a. preparing a fireproof flame-retardant environment-friendly composite material: sequentially adding water, nano titanium dioxide, fumed silica, nano zinc borate, magnesium hydroxide, aluminum hydroxide, calcined kaolin, superfine talcum powder and other components into a dispersion cylinder, and dispersing at a high speed for 30-50 min;
b. preparing defoaming leveling slurry: adding an alcohol ether cosolvent, a polyether siloxane copolymer defoamer, a non-organic silicon defoamer, an organic silicon flatting agent, water and other components into a dispersion cylinder in sequence, and dispersing at a medium speed for 25-35 min;
c. preparing a component A: adding a ternary aqueous amine epoxy curing agent, the fireproof flame-retardant environment-friendly composite material prepared in the step a, the defoaming leveling slurry prepared in the step b, a wetting agent, a dispersing agent, a thickening agent, aqueous bentonite, water and other components into a dispersion cylinder, and dispersing at a medium speed for 20-40 min; sampling and detecting the fineness and viscosity of the finished product, and if the fineness reaches 15-40 mu m, measuring the viscosity at 25 ℃ to be 60-100 s, and filtering and packaging to obtain a component A;
d. preparing a component B: adding epoxy resin, an epoxy active diluent, a thickening agent and water into a dispersion cylinder, dispersing at medium speed for 20-30 min, filtering and packaging to obtain a component B;
e. preparation of quick-drying polishing-free waterborne epoxy primer for rail transit interior decoration
Storing the component A and the component B separately, and when in use, the ratio of the component A to the component B is 2:1, and standing for 15 min.
In the steps a-d of the invention, the high-speed dispersion speed is 1200-1500 r/min, and the medium-speed dispersion speed is 800-1000 r/min.
Compared with the prior art, the invention has the beneficial effects that:
(1) the product has high drying speed, greatly reduces the surface drying time and the actual drying time, and realizes the characteristic of quick drying of the product.
(2) The paint film of the invention has excellent adhesive force, and the test result according to the GB/T9286-1998 standard shows that the adhesive force is 1 grade, and some adhesive force even reaches 0 grade, thereby effectively solving the problem that the conventional water-based paint is difficult to adhere on a glass fiber reinforced plastic substrate.
(3) The paint film of the paint has good impact resistance, and the test according to the GB/T1732-1993 standard shows that: when the impact height reaches 50cm, the paint film still has no shedding and cracking phenomenon.
(4) The product of the invention has excellent bending resistance, and the results show that the bending resistance is less than 2mm according to the test of GB/T6742-2007 standard.
(3) The product of the invention has outstanding environmental protection advantages and meets the requirements of the railway industry standard TBT-3139-2006 air hazardous substance limit of locomotive vehicles of the people's republic of China. The contents of benzene, toluene, xylene, free Toluene Diisocyanate (TDT), soluble lead, soluble cadmium, soluble chromium, soluble mercury and other heavy metals in the product are all 'undetected' (ND), and the content of Volatile Organic Compounds (VOC) is strictly controlled, so that a major breakthrough is made, and the detection result of the VOC of the product is less than 50 g/L.
Detailed Description
The present invention will be further described with reference to the following examples, but is not limited thereto.
Examples
In the embodiment, the formula of the component a (main paint) of the quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration provided in the embodiments 1 to 7 is shown in table 1, and the formula is calculated by the following raw materials in percentage by mass (%):
TABLE 1 composition of the A component (main paint) formulation (unit:%)
The alcohol ether cosolvent is diethylene glycol monobutyl ether; the polyether siloxane copolymer defoamer is Foamex 810 provided by Digao (China) Inc.; the non-silicone defoamer is a Foamex 830 defoamer provided by digao (china) ltd; the organic silicon flatting agent is a CYF-533 flatting agent provided by Zhongshan Changyuan organic silicon-rich material company Limited.
In the embodiment, the formula of the component B (curing agent) of the quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration provided in the embodiments 1 to 7 is shown in table 2, and the formula is calculated by the following raw materials in percentage by mass (%):
TABLE 2 formulation composition of component B (curing agent) (unit:%)
The epoxy resin is HMP-2255 produced by Guangdong Shanghai Shun New Material science and technology Limited.
The preparation method of the quick-drying sanding-free waterborne epoxy primer for the rail transit interior decoration comprises the following specific steps:
a. preparation of fireproof flame-retardant environment-friendly composite material
Sequentially adding water, nano titanium dioxide, fumed silica, nano zinc borate, magnesium hydroxide, aluminum hydroxide, calcined kaolin, superfine talcum powder and other components into a dispersion cylinder, and dispersing at a high speed of 1200-1500 r/min for 30-50 min;
b. preparation of defoaming leveling pulp
Adding an alcohol ether cosolvent, a polyether siloxane copolymer defoaming agent, a non-organic silicon defoaming agent, an organic silicon flatting agent, water and other components into a dispersion cylinder in sequence, and dispersing at a medium speed of 800-1000 r/min for 25-35 min;
c. preparation of component A
Adding a ternary aqueous amine epoxy curing agent, the fireproof flame-retardant environment-friendly composite material prepared in the step a, the defoaming leveling slurry prepared in the step b, a wetting agent, a dispersing agent, a thickening agent, aqueous bentonite, water and other components into a dispersion cylinder, and dispersing at a medium speed (800-1000 r/min) for 20-40 min; sampling and detecting the fineness and viscosity of the finished product, and if the fineness reaches 15-40 mu m, measuring the viscosity at 25 ℃ to be 60-100 s, and filtering and packaging to obtain a component A;
d. preparation of component B
Adding epoxy resin, epoxy active diluent, thickening agent and water into a dispersion cylinder, dispersing at medium speed (800-1000 r/min) for 20-30 min, filtering and packaging to obtain a component B;
e. preparation of quick-drying polishing-free waterborne epoxy primer for rail transit interior decoration
Storing the component A and the component B separately, and when in use, the ratio of the component A to the component B is 2:1, and standing for 15 min.
Performance testing
The quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration prepared in the embodiments 1 to 7 is detected, and the test results are shown in table 3:
TABLE 3 test results
The above performance test and effect evaluation methods are as follows:
(1) testing of key properties
According to Q/CR581-2017 technical conditions for coating for railway carriages (Table 2 water-based coating).
(2) Environmental protection Performance test
The environmental protection performance of the material is tested according to the index requirements of the national common people's republic of China railway industry standard TB/T3139-.
The test results in the table 3 show that the product is healthy and environment-friendly, the content of volatile organic compounds is effectively controlled within 50g/L, and the contents of benzene, toluene, xylene, free Toluene Diisocyanate (TDT), soluble lead, soluble cadmium, soluble chromium, soluble mercury and other heavy metals in the product are all 'undetected' (ND), so that the high environmental protection requirement of the interior coating of the rail transit vehicle is fully met. The product has high drying speed, greatly reduces the surface drying time and the actual drying time, and realizes the characteristic of quick drying of the product. The paint film of the product has excellent adhesion to the substrate, and effectively solves the problem that the conventional water-based paint is difficult to adhere to the glass fiber reinforced plastic substrate.
Further tests on the product of the invention show that the coating of the waterborne epoxy primer product has good leveling property, no sagging, no particles and flat paint film; the primer product has good interlayer adhesion with a matched finish (waterborne polyurethane finish) of the company, can be free from polishing construction, is convenient to operate and high in coating efficiency, and can be widely applied to coating of interior primer of rail transit vehicles.
Claims (10)
1. A quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration is characterized by comprising a component A and a component B in percentage by weight as follows:
component A
Wherein the sum of the weight percentages of the A components is one hundred percent;
b component
Wherein the sum of the weight percentages of the B components is one hundred percent;
the component A and the component B are stored separately and are mixed evenly according to the weight ratio of 2:1 when in use.
2. The quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration according to claim 1 is characterized in that the ternary waterborne amine epoxy curing agent in the component A is a mixture of modified aliphatic amine, modified alicyclic amine and waterborne polyamide, and the weight ratio of the modified aliphatic amine to the modified alicyclic amine to the waterborne polyamide is 2.4-4.0: 3.0-4.4: 2.6-3.6.
3. The quick-drying sanding-free waterborne epoxy primer for the rail transit interior trim according to claim 1 is characterized in that the fireproof, flame-retardant and environment-friendly composite material in the component A consists of nano titanium dioxide, nano zinc borate, fumed silica, nano magnesium hydroxide, nano aluminum hydroxide, calcined kaolin, superfine talc powder and water, wherein the weight ratio of the nano titanium dioxide, the fumed silica, the nano zinc borate, the nano magnesium hydroxide, the nano aluminum hydroxide, the calcined kaolin, the superfine talc powder to the water is 18.0-24.0: 0.8-1.2: 1.6-2.4: 5.0-7.0: 4.0-6.0: 1.6-2.4: 12.0-16.0: 20.0-30.0.
4. The quick-drying sanding-free water-based epoxy primer for rail transit interiors according to claim 1, wherein the defoaming leveling slurry in the component A consists of an alcohol ether cosolvent, a polyether siloxane copolymer defoaming agent, a non-organic silicon defoaming agent, an organic silicon leveling agent and water, and the weight ratio of the alcohol ether cosolvent to the polyether siloxane copolymer defoaming agent to the non-organic silicon defoaming agent to the organic silicon leveling agent to the water is 1.0-3.0: 0.1-0.3: 0.3-0.5: 0.1-0.5: 2.0-4.0.
5. The quick-drying sanding-free waterborne epoxy primer for rail transit interior finishing according to claim 4, characterized in that: the alcohol ether cosolvent is diethylene glycol monobutyl ether; the polyether siloxane copolymer defoamer is Foamex 810 supplied by Digao (China) Inc.; the non-silicone defoamer is a Foamex 830 defoamer provided by digao (china) ltd; the organic silicon flatting agent is a CYF-533 flatting agent provided by Zhongshan Changyuan organic silicon-rich material company Limited.
6. The quick-drying sanding-free waterborne epoxy primer for rail transit interiors according to claim 1, wherein: in the component A, the wetting agent is one or two of nonionic polyoxyethylene ether and anionic alkanoate.
7. The quick-drying sanding-free waterborne epoxy primer for rail transit interior finishing according to claim 6, characterized in that: the nonionic polyoxyethylene ether is one or two of polyoxyethylene tetra-fluorocarbon ether and polyoxyethylene alkyl ether; the anionic alkane acid salt is one or two of sodium alkyl benzene sulfonate and sodium alkyl sulfate.
8. The quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration according to claim 1, wherein: in the component B, the epoxy resin is HMP-2255 produced by Guangdong Shanghai Shun New Material science and technology Limited; the epoxy reactive diluent is one or two of C12-14 alkyl glycidyl ether and butyl glycidyl ether.
9. A method for preparing the quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration according to any one of claims 1 to 8, characterized by comprising the following steps:
a. preparing a fireproof flame-retardant environment-friendly composite material: sequentially adding water, nano titanium dioxide, fumed silica, nano zinc borate, magnesium hydroxide, aluminum hydroxide, calcined kaolin, superfine talcum powder and other components into a dispersion cylinder, and dispersing at a high speed for 30-50 min;
b. preparing defoaming leveling slurry: adding an alcohol ether cosolvent, a polyether siloxane copolymer defoamer, a non-organic silicon defoamer, an organic silicon flatting agent, water and other components into a dispersion cylinder in sequence, and dispersing at a medium speed for 25-35 min;
c. preparing a component A: adding a ternary aqueous amine epoxy curing agent, the fireproof flame-retardant environment-friendly composite material prepared in the step a, the defoaming leveling slurry prepared in the step b, a wetting agent, a dispersing agent, a thickening agent, aqueous bentonite, water and other components into a dispersing cylinder, and dispersing at a medium speed for 20-40 min; sampling and detecting the fineness and viscosity of the finished product, and if the fineness reaches 15-40 mu m, measuring the viscosity at 25 ℃ to be 60-100 s, and filtering and packaging to obtain a component A;
d. preparing a component B: adding epoxy resin, an epoxy active diluent, a thickening agent and water into a dispersion cylinder, dispersing at medium speed for 20-30 min, filtering and packaging to obtain a component B;
e. preparation of quick-drying polishing-free waterborne epoxy primer for rail transit interior decoration
The component A and the component B are separately stored, and are uniformly mixed according to the weight ratio of 2:1 when in use, and then are kept stand for 15 min.
10. The preparation method of the quick-drying sanding-free waterborne epoxy primer for rail transit interior decoration according to claim 9, characterized in that: the high-speed dispersion speed in the steps a-d is 1200-1500 r/min, and the medium-speed dispersion speed is 800-1000 r/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116478594A (en) * | 2023-04-04 | 2023-07-25 | 雅图高新材料股份有限公司 | High-performance aqueous epoxy frame thick paste paint and preparation method and application thereof |
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| CN102816499A (en) * | 2012-08-21 | 2012-12-12 | 中山蓝海洋水性涂料有限公司 | Quick-drying type environmental protection water epoxy floor paint and preparation method thereof |
| CN108003748A (en) * | 2017-12-13 | 2018-05-08 | 湖南梓先新材料有限公司 | A kind of engineering machinery epoxy primer and preparation method thereof |
| CN109852222A (en) * | 2019-01-16 | 2019-06-07 | 中山蓝海洋水性涂料有限公司 | A kind of fire protection flame retarding molding sand face aqueous polyurethane finishing coat and preparation method thereof |
-
2022
- 2022-02-22 CN CN202210160248.9A patent/CN114605890A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816499A (en) * | 2012-08-21 | 2012-12-12 | 中山蓝海洋水性涂料有限公司 | Quick-drying type environmental protection water epoxy floor paint and preparation method thereof |
| CN108003748A (en) * | 2017-12-13 | 2018-05-08 | 湖南梓先新材料有限公司 | A kind of engineering machinery epoxy primer and preparation method thereof |
| CN109852222A (en) * | 2019-01-16 | 2019-06-07 | 中山蓝海洋水性涂料有限公司 | A kind of fire protection flame retarding molding sand face aqueous polyurethane finishing coat and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116478594A (en) * | 2023-04-04 | 2023-07-25 | 雅图高新材料股份有限公司 | High-performance aqueous epoxy frame thick paste paint and preparation method and application thereof |
| CN116478594B (en) * | 2023-04-04 | 2023-11-28 | 雅图高新材料股份有限公司 | High-performance aqueous epoxy frame thick paste paint and preparation method and application thereof |
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