CN115785792A - Photocuring colored finish paint for protecting PVD (physical vapor deposition) indium plating of automobile exterior trimming parts and preparation method thereof - Google Patents
Photocuring colored finish paint for protecting PVD (physical vapor deposition) indium plating of automobile exterior trimming parts and preparation method thereof Download PDFInfo
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- CN115785792A CN115785792A CN202211403235.6A CN202211403235A CN115785792A CN 115785792 A CN115785792 A CN 115785792A CN 202211403235 A CN202211403235 A CN 202211403235A CN 115785792 A CN115785792 A CN 115785792A
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- 238000005240 physical vapour deposition Methods 0.000 title claims abstract description 45
- 238000007747 plating Methods 0.000 title claims abstract description 26
- 239000003973 paint Substances 0.000 title claims abstract description 25
- 229910052738 indium Inorganic materials 0.000 title claims abstract description 24
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000000016 photochemical curing Methods 0.000 title claims abstract description 19
- 238000009966 trimming Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 230000008020 evaporation Effects 0.000 claims abstract description 21
- 238000001704 evaporation Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 20
- 239000012752 auxiliary agent Substances 0.000 claims description 17
- 239000004925 Acrylic resin Substances 0.000 claims description 15
- 229920000178 Acrylic resin Polymers 0.000 claims description 13
- 239000003085 diluting agent Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 5
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 4
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 239000004611 light stabiliser Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 229940124543 ultraviolet light absorber Drugs 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 2
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 claims description 2
- GJKGAPPUXSSCFI-UHFFFAOYSA-N 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone Chemical compound CC(C)(O)C(=O)C1=CC=C(OCCO)C=C1 GJKGAPPUXSSCFI-UHFFFAOYSA-N 0.000 claims description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 2
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002318 adhesion promoter Substances 0.000 claims description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 2
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 239000013557 residual solvent Substances 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- YMCOIFVFCYKISC-UHFFFAOYSA-N ethoxy-[2-(2,4,6-trimethylbenzoyl)phenyl]phosphinic acid Chemical compound CCOP(O)(=O)c1ccccc1C(=O)c1c(C)cc(C)cc1C YMCOIFVFCYKISC-UHFFFAOYSA-N 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 11
- 230000001681 protective effect Effects 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000002519 antifouling agent Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- SITYOOWCYAYOKL-UHFFFAOYSA-N 2-[4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl]-5-(3-dodecoxy-2-hydroxypropoxy)phenol Chemical compound OC1=CC(OCC(O)COCCCCCCCCCCCC)=CC=C1C1=NC(C=2C(=CC(C)=CC=2)C)=NC(C=2C(=CC(C)=CC=2)C)=N1 SITYOOWCYAYOKL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- FLPKSBDJMLUTEX-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) 2-butyl-2-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]propanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)C(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)(CCCC)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 FLPKSBDJMLUTEX-UHFFFAOYSA-N 0.000 description 1
- RSOILICUEWXSLA-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 RSOILICUEWXSLA-UHFFFAOYSA-N 0.000 description 1
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 ethyl 2,4, 6-trimethylbenzoyl phenyl Chemical group 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- UJRDRFZCRQNLJM-UHFFFAOYSA-N methyl 3-[3-(benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl]propanoate Chemical compound CC(C)(C)C1=CC(CCC(=O)OC)=CC(N2N=C3C=CC=CC3=N2)=C1O UJRDRFZCRQNLJM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of protective paint, and relates to a photocuring colored finish paint for protecting PVD (physical vapor deposition) evaporation indium plating of an automobile exterior trimming part and a preparation method thereof. The protective top-coat paint prepared by the invention can adjust the light transmission color of the PVD coating, can well protect the PVD layer, perfectly combines the protective top-coat paint and the PVD layer, enables the product to have the PVD metal appearance, can transmit white light, and meets various paint tests.
Description
Technical Field
The invention belongs to the technical field of protective paint, and relates to a photocuring colored finish paint for protecting PVD (physical vapor deposition) evaporation indium plating of an automobile exterior trimming part and a preparation method thereof.
Background
With the development of energy conservation, environmental protection and intellectualization in the automobile industry, the vehicle-mounted luminous wave-transmitting products are more and more popularized, such as luminous grids, luminous labels, luminous internal and external ornaments and the like, wherein the luminous grids and the luminous labels require the products to emit white light, and some products need to integrate radar to cooperate with driving. The existing white light emitting product is matched with a backlight bottom plate capable of emitting white light by spraying white paint with a specific film thickness on a transparent product, the white light of the product is observed from the front when the lamp is lighted, but the method only can see that the light transmission area of the product is common white when the lamp is turned off, does not have the high-grade texture of metal plating silver, and cannot meet the appearance requirement of a high-end light emitting product.
The PVD evaporation indium plating process can meet the requirement that a product light-transmitting area observed from the front side has good metal silver color when a lamp is turned off, but when the PVD evaporation indium plating process is matched with a backlight base plate capable of emitting white light, the light-transmitting color is obvious yellow light, the color temperature of the light-transmitting color is below 4200K, the traditional PVD process cannot meet the requirement that the PVD indium plating layer can transmit white light and the color temperature is 5000-7200K no matter how the thickness of the PVD indium plating layer, the coating vacuum degree and the positions of evaporation source tungsten wires, the number of tungsten wires, coating evaporation parameters and the like are adjusted, and the problem of white light transmission cannot be solved by matching the traditional transparent protective finish after PVD indium plating.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a photocuring colored finish paint which meets the requirements of light-transmitting color temperature and has excellent performance and is used for protecting PVD (physical vapor deposition) indium plating of automobile exterior trimming parts.
The purpose of the invention can be realized by the following technical scheme:
a photocuring colored finish paint for protecting PVD (physical vapor deposition) indium plating of automobile exterior trimming parts comprises the following raw materials in parts by mass: 30-50 parts of polyurethane acrylic resin oligomer, 10-30 parts of modified acrylic resin oligomer, 10-30 parts of reactive diluent, 3-5 parts of photoinitiator, 0.3-3 parts of color paste, 0.5-2 parts of auxiliary agent and 10-40 parts of solvent.
Preferably, the urethane acrylic oligomer is isocyanate. The invention adopts the aliphatic polyurethane acrylate with end capping, good weather resistance and good adhesion to the metal coating, thereby greatly improving the performance of the final colored finish.
More preferably, the modified acrylic resin oligomer is at least one of a polyester-modified acrylic resin and a polyether-modified acrylic resin.
In the photocuring colored finish paint for protecting the PVD evaporation indium plating of the automobile exterior trimming parts, the color paste is blue color paste with the light transmission wavelength of 440-500 nm. The invention adjusts the color temperature and the light transmission color through the blue color paste with the light transmission wavelength of 440-500nm, thereby meeting the color temperature and solving the problem of white light transmission.
Because the light-transmitting color of the evaporation indium-plated layer is yellow, the problem of yellow light-transmitting color of the evaporation indium-plated layer is solved by adding the blue color paste with certain light-transmitting wavelength into the paint, so that the product can transmit white light, and the requirements on good color temperature and light color are met.
In the above-mentioned photocurable colored topcoat for the protection of exterior automotive trim parts by PVD evaporation indium plating, the reactive diluent is a polyfunctional alkyl acrylate.
Preferably, the reactive diluent is at least one of hexanediol diacrylate, pentaerythritol triacrylate, tripropylene glycol diacrylate, triethylene glycol diacrylate, 1, 6-hexanediol diacrylate, and trimethylolpropane triacrylate. The reactive diluent is added to increase the crosslinking sites of the photocuring reaction and improve the crosslinking density of the coating, so that the balance between the hardness and the flexibility of the primer is further adjusted.
In the above-mentioned photocuring colored topcoat paint for protecting automotive exterior parts by PVD evaporation indium plating, the photoinitiator is at least one of 2-hydroxy-2-methyl propiophenone, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-4' - (2-hydroxyethoxy) -2-methyl propiophenone, 2,4, 6-trimethylbenzoyl-diphenyl phosphine oxide and ethyl 2,4, 6-trimethylbenzoyl phenyl phosphonate.
In the photocuring colored finish paint for protecting the PVD evaporation indium plating of the automobile exterior trimming parts, the auxiliary agent comprises at least one of a leveling agent, an adhesion promoter, an ultraviolet light absorbent, a light stabilizer and a polymerization inhibitor.
Preferably, the auxiliary agent is a leveling agent, an ultraviolet light absorber, a light stabilizer and a polymerization inhibitor.
Preferably, the leveling agent is at least one of BYK306, BYK331 and BYK 333.
Preferably, the polymerization inhibitor is at least one of p-hydroxyanisole (MEHQ) and hydroquinone.
Preferably, the ultraviolet light absorber is at least one of Tinuvin 99-2, tinuvin 328, tinuvin 384-2, tinuvin 400, tinuvin 479, tinuvin 900 and Tinuvin 1130.
Preferably, the light stabilizer is at least one of Tinuvin 123, tinuvin 144, tinuvin 152 and Tinuvin 292.
In the photocuring colored finish paint for protecting the PVD evaporation indium plating of the automobile exterior trimming parts, the solvent is at least one of isopropanol, ethyl acetate, butyl acetate, propylene glycol methyl ether, ethylene glycol butyl ether, toluene and xylene.
The invention also provides a preparation method of the photocuring colored finish paint for protecting the PVD evaporation indium plating of the automobile exterior trimming parts, which comprises the following steps:
s1, preparing the raw materials;
s2, uniformly mixing the polyurethane acrylic resin oligomer, the modified acrylic resin oligomer, the reactive diluent and part of the solvent, and then adding the color paste to uniformly mix to obtain a mixture;
s3, uniformly mixing the auxiliary agent and the residual solvent to obtain an auxiliary agent mixture;
and S4, mixing the mixture obtained in the step S2 and the auxiliary agent mixture obtained in the step S3, and then adding a photoinitiator for uniform mixing to obtain the photocuring colored finish.
Compared with the prior art, the invention has the following beneficial effects: the protective top-coat paint prepared by the invention can adjust the light transmission color of the PVD coating, can well protect the PVD coating, perfectly combines the protective top-coat paint and the PVD coating, enables the product to have the PVD metal appearance, can transmit white light, and meets various paint tests.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Examples 1 to 3:
s1, preparing raw materials according to the following table 1:
s2, uniformly mixing the polyurethane acrylic resin oligomer, the modified acrylic resin oligomer, the reactive diluent and the 1/2 solvent, and then adding the color paste to uniformly mix to obtain a mixture;
s3, uniformly mixing the auxiliary agent and the rest 1/2 of the solvent to obtain an auxiliary agent mixture;
and S4, mixing the mixture obtained in the step S2 and the auxiliary agent mixture obtained in the step S3, and then adding a photoinitiator for uniform mixing to obtain the photocuring colored finish.
Table 1: examples 1-3 raw material ratios
Wherein the light transmission wavelength of the blue color paste is 445nm.
Comparative example 1:
s1, preparing raw materials according to a table 2:
s2, uniformly mixing the polyurethane acrylic resin oligomer, the modified acrylic resin oligomer, the reactive diluent and the 1/2 solvent, and then adding color paste to uniformly mix to obtain a mixture;
s3, uniformly mixing the auxiliary agent and the rest 1/2 of the solvent to obtain an auxiliary agent mixture;
and S4, mixing the mixture obtained in the step S2 and the auxiliary agent mixture obtained in the step S3, and then adding a photoinitiator for uniform mixing to obtain the photocuring colored finish.
Table 2: comparative example 1 raw material ratio
Wherein the light transmission wavelength of the blue color paste is 445nm.
Table 3: results of testing the colored topcoats prepared in examples 1 to 3 and comparative example 1 with an LMK image photometer (model LMK 6)
As can be seen from comparative example 1, the color temperature value of the transmitted light is low without adding the blue paste.
It can be known from the embodiments 1 to 4 that in a certain range of the addition ratio, the color temperature value will increase with the increase of the ratio of the blue paste, but once the ratio exceeds the critical value, the color temperature value will not increase or decrease, and in practical application, if the excessive transmission color of the blue paste is not white light any more, the blue paste will transmit the color of the paste to emit blue light, so the ratio of the blue paste needs to be strictly controlled in a reasonable range.
In conclusion, the protective top color paint prepared by the invention can adjust the light transmission color of the PVD coating, can well protect the PVD coating, perfectly combines the PVD coating and the protective top color paint, enables a product to have a PVD metal appearance, can transmit white light, and meets various paint tests.
The technical range of the embodiment of the invention is not exhaustive, and new technical solutions formed by equivalent replacement of single or multiple technical features in the technical solutions of the embodiment are also within the scope of the invention; in all the embodiments of the present invention, which are listed or not listed, each parameter in the same embodiment represents only one example (i.e., a feasible embodiment) of the technical solution, and there is no strict matching and restriction relationship between the parameters, wherein the parameters can be replaced with each other without departing from the axiom and the requirements of the present invention, unless otherwise specified.
The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical means also comprises the technical scheme formed by any combination of the technical features. While the foregoing is directed to embodiments of the present invention, it will be appreciated by those skilled in the art that various changes may be made in the embodiments without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (8)
1. The photocuring colored finish paint for protecting the PVD (physical vapor deposition) indium plating of the exterior trimming parts of the automobile is characterized by comprising the following raw materials in parts by mass: 30-50 parts of polyurethane acrylic resin oligomer, 10-30 parts of modified acrylic resin oligomer, 10-30 parts of reactive diluent, 3-5 parts of photoinitiator, 0.3-3 parts of color paste, 0.5-2 parts of auxiliary agent and 10-40 parts of solvent.
2. The photocuring colored finish paint for protecting the PVD evaporation indium plating of the automobile exterior trimming parts as claimed in claim 1, characterized in that the color paste is blue color paste with the light transmission wavelength of 440-500 nm.
3. A photocurable colored topcoat for the protection of PVD evaporation indium-plating of automotive exterior trim parts according to claim 1, characterized in that the reactive diluent is a polyfunctional alkyl acrylate.
4. The light-cured colored topcoat for protecting exterior automotive parts PVD evaporation indium plating, as defined in claim 3, wherein the reactive diluent is at least one of hexanediol diacrylate, pentaerythritol triacrylate, tripropylene glycol diacrylate, triethylene glycol diacrylate, 1, 6-hexanediol diacrylate, trimethylolpropane triacrylate.
5. A photocurable colored topcoat for the protection of exterior automotive trims by PVD evaporation indium plating according to claim 1, characterised in that the photoinitiator is at least one of 2-hydroxy-2-methylpropiophenone, 1-hydroxycyclohexylphenone, 2-hydroxy-4' - (2-hydroxyethoxy) -2-methylpropiophenone, 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide, ethyl 2,4, 6-trimethylbenzoylphenylphosphonate.
6. The photocuring colored finish paint for protecting the PVD evaporation indium plating of the automobile exterior trimming parts according to claim 1, characterized in that the auxiliary agent comprises at least one of a leveling agent, an adhesion promoter, an ultraviolet light absorber, a light stabilizer and a polymerization inhibitor.
7. The light-cured colored topcoat for protecting automotive exterior parts from PVD evaporation indium plating according to claim 1, wherein the solvent is at least one of isopropyl alcohol, ethyl acetate, butyl acetate, propylene glycol methyl ether, ethylene glycol butyl ether, toluene, xylene.
8. A method of producing a photocured colored top coat for the protection of automotive exterior trim parts by PVD evaporation indium plating according to claim 1, characterized in that the method comprises the steps of:
s1, preparing the raw material of claim 1;
s2, uniformly mixing the polyurethane acrylic resin oligomer, the modified acrylic resin oligomer, the reactive diluent and part of the solvent, and then adding the mixed color paste to uniformly mix to obtain a mixture;
s3, uniformly mixing the auxiliary agent and the residual solvent to obtain an auxiliary agent mixture;
and S4, mixing the mixture obtained in the step S2 and the auxiliary agent mixture obtained in the step S3, and then adding a photoinitiator for uniform mixing to obtain the photocuring colored finish.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211403235.6A CN115785792A (en) | 2022-11-10 | 2022-11-10 | Photocuring colored finish paint for protecting PVD (physical vapor deposition) indium plating of automobile exterior trimming parts and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211403235.6A CN115785792A (en) | 2022-11-10 | 2022-11-10 | Photocuring colored finish paint for protecting PVD (physical vapor deposition) indium plating of automobile exterior trimming parts and preparation method thereof |
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| CN115785792A true CN115785792A (en) | 2023-03-14 |
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| CN109677332A (en) * | 2018-12-24 | 2019-04-26 | 惠州建邦精密塑胶有限公司 | Metal appearance elastic automobile decoration |
| CN111334242A (en) * | 2020-04-29 | 2020-06-26 | 东莞市贝特利新材料有限公司 | Ultraviolet curing transfer adhesive for 3D molding and preparation method thereof |
| CN114395153A (en) * | 2021-12-28 | 2022-04-26 | 宁波信泰机械有限公司 | White light transmitting composite film layer and preparation method and application thereof |
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