CN108587427A - A kind of new-energy automobile Special wear-resistant water-repellent paint and preparation method thereof - Google Patents
A kind of new-energy automobile Special wear-resistant water-repellent paint and preparation method thereof Download PDFInfo
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- CN108587427A CN108587427A CN201810281186.0A CN201810281186A CN108587427A CN 108587427 A CN108587427 A CN 108587427A CN 201810281186 A CN201810281186 A CN 201810281186A CN 108587427 A CN108587427 A CN 108587427A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of new-energy automobile Special wear-resistant water-repellent paint and preparation method thereof, each raw material weight percentage is：Polyurethane resin 30 50%, modified polyimide resin 20 30%, epoxy resin 5 10%, polycrystalline mullite fibre 5 10%, hindered amine light stabilizer 3 6%, nano silicon dioxide 5 10%, hard waxes 1 5%, fluorine-containing surfactant 3 8%, coupling agent 0.1 0.3%, ethylene glycol 2 6%.By phenylethyl silicane-modified polyurethane resin, is keeping polyurethane resin high-wear resistance simultaneously, introducing phenylethyl silane, improve the water resistance, flexibility and elasticity of polyurethane；To improve water resistance, flexibility and the flow leveling of the wear-resisting water-repellent paint prepared；This method is easy to operate, suitable for commercially producing.
Description
Technical field
This is bright to belong to technical field of coatings, and in particular to a kind of new-energy automobile Special wear-resistant water-repellent paint and its preparation side
Method.
Background technology
Coating belongs to fine chemical product as a kind of material, and this material can be coated in different construction technologies
Object surface, it is a kind of with specific function that formation adherency is secured, has some strength and continuous solid film, wear-resistant paint
New function coating, have preferable wear resistance good, such as wear-resistant coating be plated on body of a motor car, glass and eyeglass,
Body of a motor car, glass and eyeglass there will be no cut, and wear-resisting functions coating is the core in new coating field, to modern coatings
Industry and the development of technology play important promotion and supporting role.In the research field of global modern coatings industry and technology
In, wear-resisting functions coating accounts for 25-35%, it has also become the emphasis of countries in the world new coating area research development and the world are each
The hot spot of state's modern coatings industry and Strategic Competition in technology development.Although developing a variety of wear-resistant paints at present, but still meet
Demand is not invaded by natural causes such as oxygen, moisture among being often exposed to air additionally, due to body of a motor car coating
How phenomena such as losing, be easy to causeing corrosion of metal, foxiness, cement weathering, and artificial touching abrasion etc. prepare a kind of resistance to
Mill is had excellent performance, at low cost, and coating with long service life becomes the current technical issues that need to address.
Invention content
The purpose of the present invention is to provide a kind of new-energy automobile Special wear-resistant water-repellent paint and preparation method thereof, this method
It is easy to operate, suitable for commercially producing, solve the problems, such as that body of a motor car is easy to wear.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of new-energy automobile Special wear-resistant water-repellent paint, each raw material weight percentage are：Modified polyurethane resin 30-
50%, polyimide resin 20-30%, epoxy resin 5-10%, polycrystalline mullite fibre 5-10%, hindered amine light stabilizer
3-6%, nano silicon dioxide 5-10%, hard waxes 1-5%, fluorine-containing surfactant 3-8%, coupling agent 0.1-0.3%, second two
Alcohol 2-6%.
Further, the Tg of the modified polyurethane resin is 45-75 DEG C, number-average molecular weight 15000-20000；It is described
Modified polyurethane resin be prepared as：5-1 parts of glycerine and 15-30 parts of phenyl second are added in 100 parts of polyaminoester emulsions
Base silane carries out block copolymer at 160-180 DEG C and obtains.
Further, the polycrystalline mullite fibre by 74% Al2O3With 26% SiO2Composition；Polycrystalline mullite is fine
The a diameter of 2.5-3.2um, length 32-71mm of dimension.
Further, the preparation method of the hindered amine light stabilizer is：By bipyridyl 2, ferric trichloride and solvent two
Six ring of oxygen is added sequentially in reaction bulb, and reaction bulb is put on ice bath, is then slowly added to 3- acetylpyridines 1, reaction
After 60min, after solvent removed by evaporation at reduced pressure, crude product is put into cooled to room temperature after being dissolved by heating in ethyl alcohol, is then put
Enter into 5-10 DEG C of environment quenching and crystallization is precipitated, is dried under reduced pressure to obtain light yellow crystal intermediate 3 after filtering, by 3 He of intermediate
Catalyst nickel is added in autoclave, is heated to being passed through hydrogen at 60-70 DEG C, continues to heat logical hydrogen, until being heated to 160-170 DEG C
When, hydrogen stops leading to hydrogen, insulation reaction 2h after being pressed in 6-7MPa, and filtering reacting liquid takes filtrate to carry out vacuum fractionation, and collection distillates
Liquid is to get hindered amine light stabilizer 4；Reaction equation is as follows：
Further, the 3- acetylpyridines 1, bipyridyl 2, ferric trichloride molar ratio be 1:1.2-1.6:1.1-
1.15。
Further, the fluorine-containing surfactant is cationic fluorosurfactant.
Further, the coupling agent is titanate coupling agent.
A kind of preparation method of new-energy automobile Special wear-resistant water-repellent paint, specifically includes following steps：
The pretreatment of S1, polycrystalline mullite fibre：Polycrystalline mullite fibre is taken to carry out activation 2-4h at 420-500 DEG C, it is cold
But to after room temperature, polycrystalline mullite fibre, coupling agent and the etoh solvent after activation are added in reaction bulb, it then will reaction
Bottle is put into water bath sonicator instrument, and the temperature of water bath sonicator instrument is 80-95 DEG C, and the ultrasound in the case where frequency is 22-35kHz waits for that solvent is waved
After being sent to original 30-50%, reaction bulb is taken out, filtering drying is up to the polycrystalline mullite fibre being surface-treated；
The preparation of S2, wear-resisting water-repellent paint：Each component in coating is weighed by mass percentage, is then added to mixed at high speed
It is pre-mixed 4-6min in machine, the material of premixing is sent into melting mixing extruder, screw extruder engine speed 45-60Hz,
Feeding rotating speed 25-40Hz, one area of extrusion temperature are 130 DEG C, and 2nd area are 220 DEG C, make various composition melting extrusions after mixing
Through tabletting machine, last ground machine levigation crosses the wear-resisting water-repellent paint that 270 mesh sieve obtains 25-50um.
Beneficial effects of the present invention：
(1) a kind of new-energy automobile Special wear-resistant water-repellent paint provided by the invention, it is silane-modified poly- by phenylethyl
Urethane resin is keeping polyurethane resin high-wear resistance simultaneously, is introducing phenylethyl silane, improve the water proofing property of polyurethane
Energy, flexible and elasticity；To improve water resistance, flexibility and the flow leveling of the wear-resisting water-repellent paint prepared；
(2) a kind of new-energy automobile Special wear-resistant water-repellent paint provided by the invention, is added to polycrystalline in formulation for coating material
Polycrystalline mullite fibre is carried out surface preparation, pretreated polycrystalline mullite by mullite fiber using coupling agent first
Fiber with the polyimide resin in formula be coupled at high temperature it is compound, it is good maintaining polyimide resin itself
While mechanical property, the crocking resistance of polyimide resin is improved, to improve the wear-resisting water-repellent paint of preparation
Crocking resistance；
(3) a kind of new-energy automobile Special wear-resistant water-repellent paint provided by the invention, the hindered amines light in formulation for coating material
The light stable modification agent of stabilizer, preparation contains 2 piperidine rings, and capture free radical, the energy for transmitting excited state molecule are higher than
General light stabilizer has good inhibiting effect to the photooxidation droping reaction of polymer in coating；
(4) preparation method of a kind of new-energy automobile Special wear-resistant water-repellent paint provided by the invention, this method operation side
Just, suitable to commercially produce.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1
The preparation of hindered amine light stabilizer：By 1.4mol bipyridyls 2,1.1mol ferric trichlorides and 10ml solvents dioxy six
Ring is added sequentially in reaction bulb, and reaction bulb is put on ice bath, is then slowly added to 1mol3- acetylpyridines 1, reaction
After 60min, after solvent removed by evaporation at reduced pressure, crude product is put into cooled to room temperature after being dissolved by heating in ethyl alcohol, is then put
Enter into 6 DEG C of environment quenching and crystallization is precipitated, be dried under reduced pressure to obtain light yellow crystal intermediate 3 after filtering, by intermediate 3 and catalysis
Agent nickel is added in autoclave, is heated to being passed through hydrogen at 65 DEG C, continues to heat logical hydrogen, until when being heated to 165 DEG C, hydrogen is pressed in
Stop leading to hydrogen, insulation reaction 2h after 6MPa, filtering reacting liquid takes filtrate to carry out vacuum fractionation, collects distillate to get hindered amine
Class light stabilizer 4；Reaction equation is as follows：
It detects to obtain through GC-MS：4 (C of hindered amine light stabilizer22H26N4O2) molecular weight be：378.25.
Embodiment 2
A kind of preparation method of new-energy automobile Special wear-resistant water-repellent paint, specifically includes following steps：
The pretreatment of S1, polycrystalline mullite fibre：It takes 5g polycrystalline mullite fibres to carry out activation 2h at 420 DEG C, is cooled to
After room temperature, polycrystalline mullite fibre, 0.1g titanate coupling agents and the 20ml etoh solvents after activation are added in reaction bulb,
Then reaction bulb is put into water bath sonicator instrument, the temperature of water bath sonicator instrument is 90 DEG C, and the ultrasound in the case where frequency is 22kHz waits for molten
After agent evaporates into 8ml, reaction bulb is taken out, filtering drying is up to the polycrystalline mullite fibre being surface-treated；
The preparation of S2, wear-resisting water-repellent paint：Weigh modified polyurethane resin 30g, polyimide resin 30g, epoxy resin
10g, pretreated polycrystalline mullite fibre 5.1g, hindered amine light stabilizer 6g, nano silicon dioxide 10g, hard waxes 1g,
Fluorine-containing surfactant 3.9g, ethylene glycol 5g, are then added in high-speed mixer and are pre-mixed 4min, and the material of premixing is sent
Enter melting mixing extruder, screw extruder engine speed 45Hz, feeding rotating speed 25Hz, one area of extrusion temperature is 130 DEG C, 2nd area
It is 220 DEG C, 270 mesh sieve is crossed i.e. through tabletting machine, last ground machine levigation after so that various composition melting extrusions is uniformly mixed
Obtain the wear-resisting water-repellent paint of 35um.
Embodiment 3
A kind of preparation method of new-energy automobile Special wear-resistant water-repellent paint, specifically includes following steps：
The pretreatment of S1, polycrystalline mullite fibre：It takes 10g polycrystalline mullite fibres to carry out activation 4h at 500 DEG C, is cooled to
After room temperature, polycrystalline mullite fibre, 0.3g titanate coupling agents and the 20ml etoh solvents after activation are added in reaction bulb,
Then reaction bulb is put into water bath sonicator instrument, the temperature of water bath sonicator instrument is 95 DEG C, and the ultrasound in the case where frequency is 35kHz waits for molten
After agent evaporates into 10ml, reaction bulb is taken out, filtering drying is up to the polycrystalline mullite fibre being surface-treated；
The preparation of S2, wear-resisting water-repellent paint：Weigh modified polyurethane resin 50g, polyimide resin 20g, epoxy resin
5g, pretreated polycrystalline mullite fibre 10.3g, hindered amine light stabilizer 3g, nano silicon dioxide 5g, hard waxes
1.7g, fluorine-containing surfactant 3g, ethylene glycol 2g, are then added in high-speed mixer and are pre-mixed 6min, by the object of premixing
Material is sent into melting mixing extruder, screw extruder engine speed 60Hz, feeding rotating speed 40Hz, and one area of extrusion temperature is 130 DEG C,
2nd area are 220 DEG C, and 270 mesh are crossed through tabletting machine, last ground machine levigation after so that various composition melting extrusions is uniformly mixed
Sieve obtains the wear-resisting water-repellent paint of 48um.
Embodiment 4
A kind of preparation method of new-energy automobile Special wear-resistant water-repellent paint, specifically includes following steps：
The pretreatment of S1, polycrystalline mullite fibre：It takes 7g polycrystalline mullite fibres to carry out activation 3h at 470 DEG C, is cooled to
After room temperature, polycrystalline mullite fibre, 0.15g titanate coupling agents and the 20ml etoh solvents after activation are added to reaction bulb
In, then reaction bulb is put into water bath sonicator instrument, the temperature of water bath sonicator instrument is 80 DEG C, and the ultrasound in the case where frequency is 28kHz waits for
After solvent evaporates into 9ml, reaction bulb is taken out, filtering drying is up to the polycrystalline mullite fibre being surface-treated；
The preparation of S2, wear-resisting water-repellent paint：Weigh modified polyurethane resin 40g, polyimide resin 21g, epoxy resin
6g, pretreated polycrystalline mullite fibre 7.15g, hindered amine light stabilizer 3.85g, nano silicon dioxide 7g, hard waxes
5g, fluorine-containing surfactant 8g, ethylene glycol 2g, are then added in high-speed mixer and are pre-mixed 5min, by the material of premixing
Be sent into melting mixing extruder, screw extruder engine speed 52Hz, feeding rotating speed 28Hz, one area of extrusion temperature be 130 DEG C, two
Area is 220 DEG C, and 270 mesh sieve is crossed through tabletting machine, last ground machine levigation after so that various composition melting extrusions is uniformly mixed
Obtain the wear-resisting water-repellent paint of 26um.
Coating in vehicle steel plate surface coats one layer of the application, the performance test methods and evaluation criterion of film are such as
Under：
The levelability evaluation criterion of film carries out levelling grading according to the levelling effect rating scale plate of U.S. PCI, and 1 is
Difference, 10 be excellent；
The glossiness test of film is with reference to standard GB/T/T 9754；
The impact strength of film is with reference to standard GB/T/T 1732；
The pencil hardness of film is with reference to standard GB/T/T 6739；
The wearability test of film is with reference to ASTM Designation F 2112-2002；
The flexibility of film is with reference to standard GB/T/T 1731；
The anti-UV agings test of film is with reference to GB/T 1865-2009；
Table 1：The various performance indicators of film obtained by embodiment 2-4
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (8)
1. a kind of new-energy automobile Special wear-resistant water-repellent paint, it is characterised in that：Each raw material weight percentage is：Polyurethane resin
30-50%, polyimide resin 20-30%, epoxy resin 5-10%, polycrystalline mullite fibre 5-10%, hindered amines light are steady
Determine agent 3-6%, nano silicon dioxide 5-10%, hard waxes 1-5%, fluorine-containing surfactant 3-8%, coupling agent 0.1-0.3%,
Ethylene glycol 2-6%.
2. a kind of new-energy automobile Special wear-resistant water-repellent paint according to claim 1, it is characterised in that：The modification
The Tg of polyurethane resin is 45-75 DEG C, number-average molecular weight 15000-20000；The modified polyurethane resin is prepared as：
5-1 parts of glycerine of addition and 15-30 parts of phenylethyl silane carry out embedding at 160-180 DEG C in 100 parts of polyaminoester emulsions
Section copolymer obtains.
3. a kind of new-energy automobile Special wear-resistant water-repellent paint according to claim 1, it is characterised in that：The polycrystalline
Mullite fiber by 74% Al2O3With 26% SiO2Composition；A diameter of 2.5-3.2um of polycrystalline mullite fibre, length are
32-71mm。
4. a kind of new-energy automobile Special wear-resistant water-repellent paint according to claim 1, it is characterised in that：Described is obstructed
The preparation method of amine light stabilizer is：Bipyridyl 2, ferric trichloride and solvent dioxane are added sequentially in reaction bulb,
Reaction bulb is put on ice bath, 3- acetylpyridines 1 are then slowly added to, after reacting 60min, after solvent removed by evaporation at reduced pressure,
Crude product is put into cooled to room temperature after being dissolved by heating in ethyl alcohol, quenching in 5-10 DEG C of environment is subsequently placed into and knot is precipitated
Crystalline substance is dried under reduced pressure to obtain light yellow crystal intermediate 3 after filtering, and intermediate 3 and catalyst nickel are added in autoclave, are heated to
It is passed through hydrogen at 60-70 DEG C, continues to heat logical hydrogen, until when being heated to 160-170 DEG C, hydrogen stops leading to hydrogen after being pressed in 6-7MPa,
Insulation reaction 2h, filtering reacting liquid take filtrate to carry out vacuum fractionation, collect distillate to get hindered amine light stabilizer 4；Instead
Answer formula as follows：
5. a kind of new-energy automobile Special wear-resistant water-repellent paint according to claim 4, it is characterised in that：The 3- second
Acyl pyridine 1, bipyridyl 2, ferric trichloride molar ratio be 1:1.2-1.6:1.1-1.15.
6. a kind of new-energy automobile Special wear-resistant water-repellent paint according to claim 1, it is characterised in that：Described is fluorine-containing
Surfactant is cationic fluorosurfactant.
7. a kind of new-energy automobile Special wear-resistant water-repellent paint according to claim 1, it is characterised in that：The coupling
Agent is titanate coupling agent.
8. a kind of preparation method of new-energy automobile Special wear-resistant water-repellent paint, it is characterised in that：Specifically include following steps：
The pretreatment of S1, polycrystalline mullite fibre：It takes polycrystalline mullite fibre to carry out activation 2-4h at 420-500 DEG C, is cooled to
After room temperature, polycrystalline mullite fibre, coupling agent and the etoh solvent after activation are added in reaction bulb, then put reaction bulb
Enter in water bath sonicator instrument, the temperature of water bath sonicator instrument is 80-95 DEG C, and the ultrasound in the case where frequency is 22-35kHz waits for that solvent evaporates into
After original 30-50%, reaction bulb is taken out, filtering drying is up to the polycrystalline mullite fibre being surface-treated；
The preparation of S2, wear-resisting water-repellent paint：Each component in coating is weighed by mass percentage, is then added in high-speed mixer
It is pre-mixed 4-6min, the material of premixing is sent into melting mixing extruder, screw extruder engine speed 45-60Hz, feeding
Rotating speed 25-40Hz, one area of extrusion temperature are 130 DEG C, and 2nd area are 220 DEG C, through pressure after making various composition melting extrusions be uniformly mixed
Piece machine tabletting, last ground machine levigation cross the wear-resisting water-repellent paint that 270 mesh sieve obtains 25-50um.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810281186.0A CN108587427A (en) | 2018-04-02 | 2018-04-02 | A kind of new-energy automobile Special wear-resistant water-repellent paint and preparation method thereof |
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| CN201810281186.0A CN108587427A (en) | 2018-04-02 | 2018-04-02 | A kind of new-energy automobile Special wear-resistant water-repellent paint and preparation method thereof |
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| CN113248965A (en) * | 2021-06-11 | 2021-08-13 | 重庆西芙高科技有限公司 | Pavement marking paint and preparation method thereof |
| CN113278212A (en) * | 2021-05-21 | 2021-08-20 | 华东理工大学 | Polymer sliding material for bridge support and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278212A (en) * | 2021-05-21 | 2021-08-20 | 华东理工大学 | Polymer sliding material for bridge support and preparation method thereof |
| CN113248965A (en) * | 2021-06-11 | 2021-08-13 | 重庆西芙高科技有限公司 | Pavement marking paint and preparation method thereof |
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