CN109207053A - A kind of color coating composition and its application method - Google Patents
A kind of color coating composition and its application method Download PDFInfo
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- CN109207053A CN109207053A CN201810911169.0A CN201810911169A CN109207053A CN 109207053 A CN109207053 A CN 109207053A CN 201810911169 A CN201810911169 A CN 201810911169A CN 109207053 A CN109207053 A CN 109207053A
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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
-
- 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
- C09D5/32—Radiation-absorbing paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention provides the color coating compositions and its application method of a kind of environmental protection, especially suitable for gentrify surface of vehicle appearance and color.The coating composition includes urethane methacylate resins 14-18%, acrylic resin 14-18%, polyisocyanates 2-5%, ethyl acetate 33-38%, hexahydrotoluene 18-22%, methylisobutylketone 5-8%, pigment 3-8%, ultraviolet absorbing agent 1-3%, light stabilizer 1-4%.Wherein, pigment includes flakey metal such as tabular alumina and cellulose ether, and ultraviolet absorbing agent includes benzotriazole and nano-titanium oxide.
Description
Technical field
The present invention relates to the technical field of vehicle paintwork, the especially reparation of surface color of especially a kind of vehicle appearance or
Improve and uses color coating composition and its application method.
Background technique
The prime coat that existing coating vehicle part is formed above by vehicle part raw material, vehicle part raw material
The subcoat (base coat) that (primer coat), prime coat are formed above, the clear coat that subcoat is formed above
(clear coat) is constituted.Wherein, the thickness of prime coat is about 8 μm；Subcoat is usually colored paint layer, and thickness is about 20
μm；And clear coat is then usually to be formed by clear dope and provide the layer of high glaze, thickness is about 30 μm.
As the rapid development and ordinary consumer of automobile industry possess automobile and what is used becomes increasingly popular, vapour
The quantity of vehicle is increasing, and the demand to for car surface coating material paint is also more and more.Moreover, due to people
The generally raising of aesthetic pursuit, automobile consumer are also more next for including the requirement of the inner surfaces appearance properties such as color and texture
It is higher.
And in the daily production and living of actual use, on the one hand, the surface of automobile is easily damaged by dust storm rubble, vehicle
Paint surface easily forms scratch, and the scratch such as small rut is damaged, so that the overall beautiful and texture of vehicle is affected, although can adopt
Repairing work is carried out to surface of vehicle breakage with repair paint, but current repairing varnish paint is it is difficult to ensure that mend
The texture such as color, the uniformity of gloss and richness, the requirement of repairing rear vehicle appearance is unable to satisfy, after especially repairing
For vehicle paint under conditions of the repeated flushing of poor air quality environment and carwash alkalies, existing coating is often wear-resisting, resistance to
Erosion, weatherability etc. Shortcomings, color the case where dimmed or even vehicle paint integrally falls off that wear are difficult to avoid that.Another party
Face, consumer also often occurs carrying out automobile the demand of whole repacking or vehicle renovation in use, and is reequiping
Or during renovation, consumer often tends to be modified as the former vehicle color of oneself to prefer, the new face of more fashion
Color, at this time if the colored paint without subcoat coats, and province would be much more convenient in the varnish paint of direct spraying colour, operation
Thing also can more effectively save time and cost.
It can be seen that paintability is good, operation is easy, richness and the surface of vehicle of excellent gloss are clear with colour after coating
Painting coating has extremely wide application prospect.However opposite with the great market demand is then current varnish paint in coating
The various aspects such as the whole consistent, wear-and corrosion-resistant of vehicle appearance and weatherability are kept all much to be difficult to reach order after workability, repairing
The satisfied performance of people.
Therefore, the purpose of the present invention is to provide that a kind of paintability is good, wear-resisting, anti-corrosion, weather resistance is excellent, coating
The gentrify color coating composition and its application method of the specious surface of vehicle color for having texture.
Summary of the invention
The purpose of the present invention is to be to provide a kind of color coating composition of environmental protection, which passes through unique
Ingredient, which is chosen, and preferred component proportion realizes the coating composition has convenient for being coated in surface of vehicle breakage
The paintability repaired, while the surface after coating has gloss texture, color is bright and beautiful, and have both it is excellent it is wear-resisting, anti-corrosion,
Weatherability.
To achieve the above object, present invention employs the following technical solutions:
A kind of environment-protecting color coating composition, it is characterised in that: the coating composition includes polyurethane methacrylic acid
Ester resin 14-18%, acrylic resin 14-18%, polyisocyanates 2-5%, ethyl acetate 33-38%, hexahydrotoluene 18-
22%, methylisobutylketone 5-8%, pigment 3-8%, ultraviolet absorbing agent 1-3%, light stabilizer 1-4%.
Preferably, the pigment includes flakey metal such as tabular alumina and cellulose ether.
It is further preferred that the flakey metal and cellulose ether mass ratio are 3-5:1.
It is further preferred that the flakey metal surface is handled through silica cladding, the partial size of the flakey metal
It is 0.2-0.5 μm
Preferably, the ultraviolet absorbing agent includes benzotriazole and nano-titanium oxide.
It is further preferred that the benzotriazole and nano-titanium oxide mass ratio are 10-15:1.
It is further preferred that the partial size of the nano-titanium oxide is 20-40nm.
The object of the invention is also to provide the coating film forming application method of above-mentioned environment-protecting color coating composition, the sides
Method includes:
1) coating composition be sufficiently stirred being uniformly mixed each component；
2) coating composition is stood after surface to be repaired uniformly coat using aerial spraying technique；
3) heated-air drying is carried out to film after coating；
4) ultraviolet curing processing is carried out to film after drying.
Preferably, the film with a thickness of 40-60 μm.
Preferably, standing 5-10min after coating；The temperature of heated-air drying is 50-60 DEG C, drying time 5-
10min；The ultraviolet wavelength of ultraviolet curing processing is 380nm, irradiation distance 15-20cm, irradiation energy 800-
1000mj/cm2, curing time 5-10min.
The unique ingredient that has the beneficial effect that of environment-protecting color coating composition of the present invention and its application method is chosen and preferably
Component proportion realize the coating composition and have convenient for carrying out coating and repairing when surface of vehicle breakage or vehicle renovate
Good paintability again, while the surface after coating has gloss texture, color is bright and beautiful, and has both excellent wear-resisting, anti-corrosion, resistance to
Hou Xing.
Specific embodiment
Embodiment 1
Firstly, preparing coating composition, including urethane methacylate resins 14%, acrylic resin 14% are more
Isocyanates 2%, ethyl acetate 38%, hexahydrotoluene 18%, methylisobutylketone 5%, pigment 5%, ultraviolet absorbing agent
2%, light stabilizer 2%.Wherein,
The urethane methacrylate has 9 acryloyl groups；
The acrylic resin is the macromonomer of polymethyl methacrylate and the polymerization of acrylic acid -2- hydroxyl ethyl ester
Object, wherein the number-average molecular weight of the macromonomer of polymethyl methacrylate is 2500, the polymethyl methacrylate
Macromonomer and the mass ratio of acrylic acid -2- hydroxyl ethyl ester are 1:5, the Weight-average molecular of the acrylic resin obtained after polymerization
Amount is 250,000；
The polyisocyanates is hexamethylene diisocyanate；
It include flakey aluminium powder and cellulose ether in the pigment；Specifically, flakey aluminium powder and cellulose ether mass ratio
Example is 4:1, and flakey aluminium powder surface is handled through silica cladding, and the partial size of the flakey aluminium powder is 0.3 μm
The ultraviolet absorbing agent includes benzotriazole and nano-titanium oxide；Specifically, the benzotriazole and nano oxygen
Change titanium mass ratio is 12:1, the partial size 30nm of the nano-titanium oxide.
The light stabilizer is hindered amine type light stabilizer.
It prepares said components example in mass ratio to obtain coating composition, the coating composition be sufficiently stirred making
Each component is uniformly mixed；It is then using aerial spraying technique that the coating composition is enterprising in the sample for simulating surface to be repaired
Uniformly coating stands 5min to after forming 50 μm of films to row；Heated-air drying 5min is then carried out under the conditions of 55 DEG C to film；With
Use wavelength for the ultraviolet light of 380nm, 800/cm afterwards2Irradiation energy, at the position of about 20cm carry out hardening with radiation, solidification
Time 5min.
Embodiment 2-8 adjusts the content of each component, remaining is same as Example 1, specific content ratio
Example is listed in table 1, wherein and A-I respectively represents the urethane methacylate resins that include in the present invention in table 1, acrylic resin,
Polyisocyanates, ethyl acetate, hexahydrotoluene, methylisobutylketone, pigment, ultraviolet absorbing agent, light stabilizer.
In embodiment 9, flakey aluminium powder and cellulose ether mass ratio are 8:1, remaining is same as Example 1.
In embodiment 10, flakey aluminium powder surface with aluminium oxide substitution silica carry out cladding processing, remaining with implementation
Example 1 is identical.
In embodiment 11, the partial size of flakey aluminium powder is 1 μm, remaining is same as Example 1.
In embodiment 12, benzotriazole and nano-titanium oxide mass ratio are 20:1, remaining is same as Example 1.
In embodiment 13, the partial size 60nm of the nano-titanium oxide, remaining is same as Example 1.
Table 1
| A | B | C | D | E | F | G | H | I | |
| 1 | 14 | 14 | 2 | 38 | 18 | 5 | 5 | 2 | 2 |
| 2 | 14 | 14 | 4 | 33 | 22 | 5 | 5 | 1 | 2 |
| 3 | 18 | 18 | 2 | 33 | 18 | 6 | 3 | 1 | 1 |
| 4 | 14 | 16 | 3 | 34 | 18 | 5 | 8 | 1 | 1 |
| 5 | 10 | 12 | 2 | 38 | 22 | 8 | 4 | 2 | 2 |
| 6 | 18 | 18 | 3 | 30 | 15 | 5 | 5 | 3 | 3 |
| 7 | 14 | 14 | 2 | 35 | 18 | 5 | 10 | 1 | 1 |
| 8 | 16 | 16 | 3 | 33 | 20 | 5 | 6 | 0.5 | 0.5 |
By the sample of aforementioned coating composition film, following experiment test is carried out, forms film to obtain coating composition
Properties, be as a result listed in table 2.
One, film coating performance is tested
1. drying property: to be coated with coating composition film of the present invention merely through drying and the surface without hardening with radiation is straight
It connects in such a way that finger tip touches and examines, if finger tip has clagging after touching, then it is assumed that drying property is bad (×), such as
Finger tip does not have clagging after fruit touching, then it is assumed that drying property is excellent (zero).
2. appearance of film: the surface for being coated with coating composition film of the present invention is observed by way of range estimation,
The appearance for the defects of color is beautiful uniformly, without any bubble is excellent (zero), has no obvious bubble and color light and shade is substantially homogeneous
Appearance is fine (△), has obvious bubble and color is dull and non-uniform appearance is poor (×).
Two, coating weatherability can be tested
Using QUV tester, carry out accelerating weather-proof test, specifically, use to coating composition film of the present invention is coated
200W/m2Energy intensity simulated solar irradiation irradiation, with+50 DEG C × 4 hours 70 DEG C × 8 hours (Dry) (Wet) for a period into
The circulation in 200 periods of row, wherein
1. coated film sample after recycling is kept using (60 °) progress glossiness measurements of gloss meter with testing the gloss of front and back
Rate (%) evaluates the weatherability of film, and gloss retention is excellent (zero) 90% or more, and gloss retention is 70-90%'s
For still (△), gloss retention is below for poor (×) 70%；
2. there is the testing time (h) of the obvious shortcomings such as striped in record coated film sample surface, to evaluate the weatherability of film,
Testing time, longer weatherability was better, and do not occur obvious shortcoming is denoted as "-".
Three, film light transmission is tested
The light transmittance (%) of coating composition film of the present invention is coated with using spectrophotometer measuring and calculation, it is specific to test
Wavelength is 300-400nm (ultra-violet bands), 400-700nm (visible light wave range).
Table 2
It is further described below for the formula of coating system of the present invention:
There is in urethane methacylate resins a large amount of acryloyl group in coating of the present invention, can significantly improve
The alkali resistance and solvent resistance of coating composition, thus in corrosive atmosphere and alkalies carwash operation etc. after improving coating film forming
Corrosion resistance in the process, and then extend Tu film service life, in order to guarantee urethane methacylate resins in system
Above-mentioned effect is played, needs its content at least to should be 14%, but its content is also unsuitable excessively high, such as more than 18%, otherwise influences
The performance of other resin effects.Meanwhile in order to guarantee enough corrosion resistances, preferably have in guarantee urethane methacrylate
There is at least nine acryloyl group.
Acrylic Resin in Coatings of the present invention uses the macromonomer and acrylic acid -2- hydroxyl second of polymethyl methacrylate
The polymer of ester has lower viscosity than common coating resin, to help to obtain good coating performance, content is answered
At least 14%, but also unsuitable excessive, the performance that will affect other resin effects more than 18%；Also film is had simultaneously
The comprehensive performance of excellent intensity and ductility, so that film has excellent wear-resisting and scraping and wiping resistance performance, in order to protect
It demonstrate,proves acrylic resin and plays above-mentioned effect, the preferably number-average molecular weight of the macromonomer of polymethyl methacrylate is 2000-
3500.Meanwhile the macromonomer of polymethyl methacrylate do not answered with acrylic acid -2- hydroxyl ethyl ester mass ratio it is excessive, if
Ratio is greater than 1:5, although film has the good scratch resistance of better wearability, whole coating performance is deteriorated, but
Cannot too small such as less than 1:5.5, otherwise the wearability of film and scraping and wiping resistance performance do not reach requirement；In addition, acrylic resin
Weight average molecular weight comprehensively considers from intensity, ductility and coating, should control in 25-30 ten thousand.
Hexamethylene diisocyanate can be used as curing agent in coating of the present invention, in order to guarantee heating irradiance process
In sufficient crosslinking curing, to guarantee the properties such as the wear resistance and corrosion resistance of film, content should be at least 2%, and its
Content is also unsuitable excessively high, once more than 5%, the extra hexamethylene diisocyanate for being not involved in reaction will affect film instead
The performances such as scratch-resistant.
The major ingredient of solvent is ethyl acetate in coating of the present invention, and ethyl acetate has excellent drying property and assigns coating
The excellent coating performance of composition, in order to enable ethyl acetate plays above-mentioned effect in system, content should be at least 33%,
But can not additive amount it is excessive, if it exceeds 38% meeting so that formed appearance of film deteriorate.
Auxiliary material in coating of the present invention in solvent is hexahydrotoluene, and hexahydrotoluene can effectively improve Coating material composition
Coating adhesive ability of the object on priming paint, finishing coat, so that the film after especially repairing has excellent adhesion and goes out
The appearance tactile impression of color, in order to enable hexahydrotoluene plays above-mentioned effect in system, content should be at least 18%, but its
Additive amount can not be excessively high, if it exceeds 22% meeting is so that the coating performance of coating composition deteriorates.
Solvent also contains a certain proportion of methylisobutylketone in coating of the present invention, and methylisobutylketone can be improved Coating material composition
The coating performance of object and the resting period of coating composition, in order to enable methylisobutylketone plays above-mentioned effect in system,
Its content at least should be 5%, but its additive amount can not be excessively high, if it exceeds 8% can be because of its biggish resin solvability
And appearance of film is made to generate apparent uneven deterioration.
Pigment is the important component of color coating composition in the present invention, in order to enable film can obtain corresponding color,
And guarantee that gloss is beautiful and uniformity, preferred pigments are the mixing of flakey metal (such as tabular alumina) and cellulose ether,
More preferably flakey metal is oxidized the processing of silicon face cladding, and through silica, treated that flakey metal can be more uniformly
It is scattered in resin solution, and avoids agglomerating in resin solution, so that coating performance and wear-resisting scraping and wiping resistance performance are influenced,
And cellulose ether can more preferably help flakey metallic adjusted direction, to obtain better color luminance, flakey metal with
5:1 is not to be exceeded in the ratio of cellulose ether, but can not be too small, and it is excessively high and influence coating appearance otherwise to will lead to system viscosity
Etc. performances；Meanwhile the partial size of flakey metal is preferably 0.2-0.5 μm, to obtain uniform color beautiful enough.According to reality
It needs, content is preferably greater than 3%, but in order to not influence the overall performance for applying film system, preferably its content is less than 8%.
In order to guarantee the enough weather resistances of coating composition film forming in the present invention, ultraviolet absorbing agent also added, purple
Ultraviolet absorbers are preferably the mixing of organic uv absorbers benzotriazole and inorganic ultraviolet absorbent nano-titanium oxide, are
Guarantee to realize its effect, content is preferably greater than 1%, but adds excessive ultraviolet absorbing agent, is easy to cause coating
The cohesion of system, so will affect the coating of coating system, film etc. appearances etc., in order to not influence the entirety for applying film system
Performance, preferably its content is less than 3%.Meanwhile in order to guarantee nano-titanium oxide excellent raising ultraviolet radiation absorption effect and
The ratio of the weatherability of film, nano-titanium oxide and benzotriazole is no less than 15:1, but also otherwise can no more than 10:1
Lead to the various problems such as dispersibility and cohesion.In addition, the partial size of nano-titanium oxide is preferably 20-30nm, excessive partial size will be difficult
To play enough ultraviolet radiation absorption effects, and lead to uniformly dispersed problem.
Coating composition of the invention is also added with light stabilizer, is preferably common hindered amine type light stabilizer, light
The addition of stabilizer can be effectively improved the weather resistance of film, in order to guarantee that additive effect, the additive amount of light stabilizer are preferred
More than 1%, but in order to not influence the performances such as the coating of coating composition and wear-resisting scratch-resistant, should controller content be less than
4%.
Coating composition of the invention has excellent coating performance, solid using simple aerial spraying and ultraviolet irradiation
Change can the excellent film of forming properties using the painting and in order to guarantee the excellent properties of coating composition of the present invention film forming
When feed composition carries out painting operation, in 50 DEG C or more of at a temperature of drying 5min or more, and it should adopt at least after spray coating
Use 800mj/cm2Above wavelength 380nm ultraviolet irradiation is more than 5min, so available sufficient drying of coating, can
Form the film layer of even compact and firm attachment.But pay attention to avoiding excessively crosslinking etc. caused by excessively heating and irradiate to ask
It inscribes and influences filming performance.
Although the present invention is explained by the above embodiments coating effect of the present invention, the invention is not limited to above-mentioned realities
Apply example.It should be clear to those skilled in the art, any improvement in the present invention, to each raw material of product of the present invention etc.
Effect replacement and addition, the selection of concrete mode of auxiliary element etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of environment-protecting color coating composition, it is characterised in that: the coating composition includes urethane methacrylate
Resin 14-18%, acrylic resin 14-18%, polyisocyanates 2-5%, ethyl acetate 33-38%, hexahydrotoluene 18-
22%, methylisobutylketone 5-8%, pigment 3-8%, ultraviolet absorbing agent 1-3%, light stabilizer 1-4%.
2. coating composition according to claim 1, it is characterised in that: the pigment includes flakey metal such as sheet
Aluminium oxide and cellulose ether.
3. coating composition according to claim 2, it is characterised in that: the flakey metal and cellulose ether mass ratio
Example is 3-5:1.
4. coating composition according to claim 2, it is characterised in that: the flakey metal surface is coated through silica
Processing, the partial size of the flakey metal are 0.2-0.5 μm.
5. coating composition according to claim 1, it is characterised in that: the ultraviolet absorbing agent include benzotriazole and
Nano-titanium oxide.
6. coating composition according to claim 5, it is characterised in that: the benzotriazole and nano-titanium oxide mass ratio
Example is 10-15:1.
7. coating composition according to claim 6, it is characterised in that: the partial size of the nano-titanium oxide is 20-40nm.
8. the coating film forming user that coating composition is used in the repairing of surface of vehicle described in a kind of any one of claim 1-7
Method, which comprises
1) coating composition be sufficiently stirred being uniformly mixed each component；
2) coating composition is stood after surface to be repaired uniformly coat using aerial spraying technique；
3) heated-air drying is carried out to film after coating；
4) ultraviolet curing processing is carried out to film after drying.
9. application method according to claim 8, it is characterised in that: the film with a thickness of 40-60 μm.
10. application method according to claim 8, it is characterised in that: stand 5-10min after coating；The temperature of heated-air drying
Degree is 50-60 DEG C, drying time 5-10min；The ultraviolet wavelength of ultraviolet curing processing is 380nm, irradiation distance 15-
20cm, irradiation energy 800-1000mj/cm2, curing time 5-10min.
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| CN109762387A (en) * | 2019-01-29 | 2019-05-17 | 宁波革创新材料科技有限公司 | A kind of coating composition and its preparation process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762387A (en) * | 2019-01-29 | 2019-05-17 | 宁波革创新材料科技有限公司 | A kind of coating composition and its preparation process |
| CN112940586A (en) * | 2021-02-01 | 2021-06-11 | 宁波革创新材料科技有限公司 | Polyurethane modified epoxy resin anticorrosive paint and preparation method thereof |
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| CN109207053B (en) | 2021-05-07 |
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Address after: 321075 unit 3, building 9, No. 918, Dengyun street, Tangxi Town, Wucheng District, Jinhua City, Zhejiang Province Patentee after: Jinhua Xintuo Material Technology Co.,Ltd. Address before: 321000 Dongxi village, bailongqiao Town, Wucheng District, Jinhua City, Zhejiang Province Patentee before: Jinhua Xintuo powder coating Co.,Ltd. |
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