CN102070979A - Vacuum ultraviolet curing coating for reflective lamp shade of automobile - Google Patents
Vacuum ultraviolet curing coating for reflective lamp shade of automobile Download PDFInfo
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- CN102070979A CN102070979A CN 201010594078 CN201010594078A CN102070979A CN 102070979 A CN102070979 A CN 102070979A CN 201010594078 CN201010594078 CN 201010594078 CN 201010594078 A CN201010594078 A CN 201010594078A CN 102070979 A CN102070979 A CN 102070979A
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Abstract
The invention discloses a vacuum ultraviolet curing coating for a reflective lamp shade of an automobile, which comprises a vacuum plating primer and a vacuum plating finish, wherein the vacuum plating primer can well enclose a base material, prevents volatile impurities in the base material from overflowing during vacuum coating, facilitates obtaining a thicker vacuum coating layer, shows higher reflection effect and mechanical properties, also facilitates depositing metal vapor, and has good bonding force with a metal film; and the vacuum plating finish has good adhesion to the metal layer, and can resist high temperature and humidity, high- and low-temperature impact, salt spray corrosion and boiling. The synthesis process is a simple physical mixing process, heating is not needed, energy waste is reduced, the process is simple and the yield of finished products is high.
Description
Technical field
The present invention relates to technical field of coatings, relate in particular to a kind of automobile reflection lampshade vacuum plating ultraviolet-curing paint.
Background technology
The car light reflection lampshade is used the BMC injection molding mostly, and internal surface has a lot of holes kernel structure, and is smooth inadequately, lacks gloss, if direct vapour deposition layer of aluminum film still can not get smooth surface, is difficult to form effective reflection border face; Ultraviolet light polymerization (UV) coating can address this problem; spray one deck UV coating as priming paint at lampshade inner surface earlier; very slick top layer aluminium plating film again after the curing; form highly level and smooth reflection border face; on the aluminium film, spray one deck protectiveness UV finish paint again; blocking oxygen and moisture prevent the aluminum membranous layer oxidation to the aluminium membrane permeation.
Present domestic UV vacuum plating coating mainly uses in fields such as electronic product such as mobile phone, MP3, MP4, and it is smooth, bright that quality product is mainly pursued surface effect, and its market is also big inadequately.Automobile reflection lampshade UV vacuum plating paint is basic at home still blank, and major cause is can't meet the quality requirement, and domestic synthetic main raw has big gap with imported materials and items especially.
Traditional automobile lampshade adopts two coating process; what adopt in the former production is the solvent-borne type baked paint; at least three hours lampshade application cycle; and bake process is consuming time, power consumption; also having a large amount of hazardous solvent volatilizations. disaster hidden-trouble is also very big; and UV coating only needs tens of seconds interior just energy completely solidified, and from aspects such as production efficiency, environment protection, save energy and production spaces, UV paint spraying lampshade will be very big progress.
A major parts in the automobile, the automobile reflection lampshade, the material that needs a high reflection, and technique for vacuum coating will use more and more widely, must adopt the vacuum plating ultraviolet-curing paint in the technique for vacuum coating, the vacuum plating ultraviolet-curing paint comprises vacuum plating priming paint and vacuum electroplating surface paint.The core technology of vacuum plating ultraviolet-curing paint is the just external several companies of minority grasp at present, and the domestic import coating that relies on fully could satisfy production requirement.Because the transportation of state rustproof lacquer is far away, the supply of material is untimely, cost an arm and a leg, technical service is not in place, has seriously restricted the fast development of electronic product manufacturing.Therefore, domestic-developed vacuum plating ultraviolet-curing paint has been very urgent.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of automobile reflection lampshade vacuum plating ultraviolet-curing paint of excellent property is provided.
Above-mentioned purpose of the present invention is achieved by following scheme:
The automobile reflection lampshade vacuum plating ultraviolet-curing paint of a kind of excellent property of pre-oneself research and development of the inventor, but the priming paint of this vacuum plating ultraviolet-curing paint and finish paint need possess following requirement:
1. the priming paint gordian technique that must solve:
(1) priming paint is wanted to seal base material, when preventing vacuum plating in the base material volatile impunty overflow, influence coating quality;
(2) priming paint is wanted to make shaggy plastics obtain smooth smooth mirror effect after coating;
(3) on thin-film material, priming paint wants further to add the barrier of strong film;
(4) priming paint will help obtaining thicker vacuum coating, shows higher reflecting effect and mechanical property;
(5) priming paint must have good sticking power to different plastic materials;
(6) priming paint must help the deposition of metallic vapor, and with metallic membrane good bonding force is arranged.
2. the finish paint gordian technique that must solve:
(1) finish paint must have good sticking power with metallic diaphragm;
(2) finish paint must have high-temp resisting high-humidity resisting, high-low temperature resistant impact, resisting salt fog corrosion and water boiling resistance.
At above-mentioned priming paint and finish paint the gordian technique that must solve, after the inventor gropes by a large amount of conceptual designs and experiment, obtain a kind of satisfactory automobile reflection lampshade vacuum plating ultraviolet-curing paint finally.
A kind of automobile reflection lampshade vacuum plating ultraviolet-curing paint comprises vacuum electroplating surface paint and vacuum plating priming paint, wherein:
1, vacuum electroplating surface paint, its composition of raw materials is made up of each component of following parts by weight:
1 15～30 parts of urethane resins;
2 15～35 parts of urethane resins;
1～5 part of Dipentaerythritol five acrylate;
5～10 parts of 1-Methoxy-2-propyl acetates;
5～10 parts of alcohol acid butyl esters;
10～20 parts of ethyl glycolates;
10～20 parts of toluene;
0.01～0.1 part of flow agent;
184 1～3 parts of light triggers.
Above-mentioned urethane resin after the present invention compares experimental study to commercially available multiple urethane resin, is found Bayer U100 and Bayer U400 are combined with obtaining best effect; Bayer U100 and Bayer U400 are two kinds of urethane resins using always when those skilled in the art carry out the vacuum metallizing coating preparation, therefore those skilled in the art are when preparation vacuum plating finish paint of the present invention, only need to buy Bayer U100 and Bayer U400, adding gets final product as raw material with these two kinds of urethane resins according to the consumption in the above-mentioned prescription; Urethane resin 1 is Bayer U100, and urethane resin 2 is Bayer U400;
Above-mentioned Dipentaerythritol five acrylate (DPHA) are to use as monomer in this composition of raw materials, adopt any commercially available DPHA all can realize the present invention, the DPHA of preferred many yards productions of sand;
Above-mentioned 1-Methoxy-2-propyl acetate (PMA), pure acid butyl ester, ethyl glycolate and toluene all play the effect of solvent in this composition of raw materials;
Any flow agent of being used always when above-mentioned flow agent adopts those skilled in the art to carry out the coating preparation all can be realized the present invention, preferred flow agent BYK-333;
The chemical name of above-mentioned light trigger 184 is a 1-hydroxy-cyclohexyl phenyl ketone.
In the composition of raw materials of above-mentioned vacuum electroplating surface paint, Bayer U100 and Bayer U400 provide extraordinary light transmission, brightness and resistance to elevated temperatures; DPHA provides extraordinary hardness and wear resistance; The collocation of other all kinds of SOLVENTS, the solvent borne that can obtain, and suitable evaporation rate reach good levelling and surface effect.
2, vacuum plating priming paint, its composition of raw materials is made up of each component of following parts by weight:
25～40 parts of polyester acrylates;
1～5 part of Dipentaerythritol five acrylate;
15～25 parts of Viscoat 295s;
1～5 part of pentaerythritol triacrylate;
5～10 parts of the third oxidation neopentylglycol diacrylates;
5～15 parts of Resins, epoxy;
5～15 parts of alcohol acid butyl esters;
5～20 parts of ethyl glycolates;
0.01～0.1 part of flow agent;
1,173 1～5 parts of light triggers.
Above-mentioned polyester acrylate, the inventor is to multiple commercially available, and those skilled in the art select Bayer P175D after the polyester acrylate product that carries out using always when coating prepares compares experimental study, and this product has better effect than other products; Those skilled in the art only need to buy Bayer P175D when preparation vacuum plating finish paint of the present invention, according to the consumption in the above-mentioned prescription this polyester acrylate is added as raw material to get final product;
Above-mentioned Dipentaerythritol five acrylate (DPHA), Viscoat 295 (TMPTA), pentaerythritol triacrylate (PET3A) and the third oxidation neopentylglycol diacrylate (NPG2PODA) are to use as monomer in the composition of raw materials of above-mentioned vacuum plating priming paint;
Above-mentioned Resins, epoxy is the component that those skilled in the art use always when the preparation vacuum plating coating, adopt and anyly commonly used all can realize the present invention, but the viscosity of Resins, epoxy is very high, so must be 20% 1-Methoxy-2-propyl acetate (PMA) dilution before use with mass percent concentration;
Above-mentioned pure acid butyl ester and ethyl glycolate all play the effect of solvent in this composition of raw materials;
Any flow agent of being used always when above-mentioned flow agent adopts those skilled in the art to carry out the coating preparation all can be realized the present invention, and preferred Di Gaosha auxiliary agent (TEGO) flow agent is as flow agent TEGO 245;
The chemical name of above-mentioned light trigger 1173 is 2-hydroxyl-aminomethyl phenyl propane-1-ketone.
In the composition of raw materials of above-mentioned vacuum plating priming paint, DPHA provides extraordinary resistance to elevated temperatures; The effect that P175D provides good fullness ratio and helped sticking power and fill and lead up base material; Light trigger 1173 provides fine curing; The collocation of other all kinds of SOLVENTS, the solvent agent that can obtain, and suitable evaporation rate; Flow agent Tego245 provides extraordinary levelling property, and paint film does not go rancid, and shrinkage cavity does not influence the sticking power of plated film again.
The preparation method of above-mentioned vacuum electroplating surface paint is the composition of raw materials according to above-mentioned vacuum electroplating surface paint, each component is mixed promptly prepare required vacuum electroplating surface paint.
The preparation method of above-mentioned vacuum plating priming paint is the composition of raw materials according to above-mentioned vacuum plating priming paint, each component is mixed promptly prepare required vacuum plating priming paint.
Compared with prior art, the present invention has following beneficial effect:
1. in the automobile reflection lampshade vacuum plating ultraviolet-curing paint of the present invention, its vacuum plating priming paint can seal base material well, in the time of can preventing vacuum plating in the base material volatile impunty overflow, thereby improved the quality of plated film; This priming paint helps obtaining thicker vacuum coating, shows higher reflecting effect and mechanical property; This priming paint helps the deposition of metallic vapor, and with metallic membrane good bonding force is arranged;
2. in the automobile reflection lampshade vacuum plating ultraviolet-curing paint of the present invention, its vacuum electroplating surface paint and metallic diaphragm have good sticking power; But this finish paint high-temp resisting high-humidity resisting, high-low temperature resistant impact, resisting salt fog corrosion and water boiling resistance;
3. automobile reflection lampshade vacuum plating ultraviolet-curing paint of the present invention, its building-up process belongs to simple physics mixing process, does not need heating, reduced energy dissipation, and technology is simple, and product qualified rate is very high.
Embodiment
Below in conjunction with specific embodiment the present invention is done description further, but specific embodiment is not done any qualification to the present invention.
Embodiment 1
The automobile reflection lampshade vacuum plating ultraviolet-curing paint of present embodiment comprises vacuum electroplating surface paint and vacuum plating priming paint, wherein:
1, vacuum electroplating surface paint, its composition of raw materials is made up of each component of following parts by weight:
1 15 parts of urethane resins;
2 35 parts of urethane resins;
1 part of Dipentaerythritol five acrylate;
5 parts of 1-Methoxy-2-propyl acetates;
10 parts of alcohol acid butyl esters;
20 parts of ethyl glycolates;
20 parts of toluene;
0.01 part of flow agent;
184 1 parts of light triggers.
Above-mentioned urethane resin 1 adopts Bayer U100;
Above-mentioned urethane resin 2 is adopted as Bayer U400;
Above-mentioned flow agent adopts flow agent BYK-333;
The preparation method of above-mentioned vacuum electroplating surface paint is the composition of raw materials according to above-mentioned vacuum electroplating surface paint, each component is mixed promptly prepare required vacuum electroplating surface paint.
2, vacuum plating priming paint, its composition of raw materials is made up of each component of following parts by weight:
25 parts of polyester acrylates;
1 part of Dipentaerythritol five acrylate;
15 parts of Viscoat 295s;
1 part of pentaerythritol triacrylate;
5 parts of the third oxidation neopentylglycol diacrylates;
15 parts of Resins, epoxy;
12.99 parts of alcohol acid butyl esters;
5 parts of ethyl glycolates;
0.01 part of flow agent;
1,173 1 parts of light triggers.
Above-mentioned polyester acrylate adopts Bayer P175D;
Above-mentioned Resins, epoxy adopts 4213 of Resins, epoxy Jiangmen section field, must be 20% PMA dilution before use with mass percent concentration;
Above-mentioned flow agent adopts flow agent TEGO 245;
The preparation method of above-mentioned vacuum plating priming paint is the composition of raw materials according to above-mentioned vacuum plating priming paint, each component is mixed promptly prepare required vacuum plating priming paint.
The The performance test results of this vacuum electroplating surface paint of present embodiment is as shown in table 1, and the The performance test results of vacuum plating priming paint is as shown in table 2.
Table 1 present embodiment
The The performance test results of vacuum plating finish paint
| Project | The performance test results |
| Coating thickness | 10－15μm |
| Pencil hardness | ≥3H |
| Surface effect | Smooth smooth |
| Glossiness | 95 |
| Sticking power | 5B |
| 80 ℃ * 80% * 72h of fixed temperature and humidity | No change |
| 220 ℃ * 24h of high-temperature baking resistant | No change |
The The performance test results of table 2 present embodiment vacuum plating priming paint
| Project | The performance test results |
| Coating thickness | 20－25μm |
| Pencil hardness | ≥1H |
| Surface effect | Smooth smooth |
| Closure | Good |
| Sticking power | 5B |
| High/low-temperature impact | No change |
| 220 ℃ * 24h of high-temperature baking resistant | No change |
Embodiment 2
The automobile reflection lampshade vacuum plating ultraviolet-curing paint of present embodiment comprises vacuum electroplating surface paint and vacuum plating priming paint, wherein:
1, vacuum electroplating surface paint, its composition of raw materials is made up of each component of following parts by weight:
1 30 parts of urethane resins;
2 15 parts of urethane resins;
5 parts of Dipentaerythritol five acrylate;
10 parts of 1-Methoxy-2-propyl acetates;
5 parts of alcohol acid butyl esters;
10 parts of ethyl glycolates;
19.9 parts of toluene;
0.1 part of flow agent;
184 3 parts of light triggers.
Above-mentioned urethane resin 1 adopts Bayer U100;
Above-mentioned urethane resin 2 is adopted as Bayer U400;
Above-mentioned flow agent adopts flow agent BYK-333;
The preparation method of above-mentioned vacuum electroplating surface paint is the composition of raw materials according to above-mentioned vacuum electroplating surface paint, each component is mixed promptly prepare required vacuum electroplating surface paint.
2, vacuum plating priming paint, its composition of raw materials is made up of each component of following parts by weight:
25 parts of polyester acrylates;
5 parts of Dipentaerythritol five acrylate;
25 parts of Viscoat 295s;
5 parts of pentaerythritol triacrylates;
10 parts of the third oxidation neopentylglycol diacrylates;
5 parts of Resins, epoxy;
5 parts of alcohol acid butyl esters;
14.9 parts of ethyl glycolates;
0.1 part of flow agent;
1,173 5 parts of light triggers
Above-mentioned polyester acrylate adopts Bayer P175D;
Above-mentioned Resins, epoxy adopts 421 of Resins, epoxy Jiangmen section field, must be 20% PMA dilution before use with mass percent concentration;
Above-mentioned flow agent adopts flow agent TEGO 245;
The preparation method of above-mentioned vacuum plating priming paint is the composition of raw materials according to above-mentioned vacuum plating priming paint, each component is mixed promptly prepare required vacuum plating priming paint.
The The performance test results of this vacuum electroplating surface paint of present embodiment is as shown in table 3, and the The performance test results of vacuum plating priming paint is as shown in table 4.
Table 3 present embodiment
The The performance test results of vacuum plating finish paint
| Project | The performance test results |
| Coating thickness | 20－35μm |
| Pencil hardness | ≥1H |
| Surface effect | Smooth smooth |
| Closure | Very good |
| Sticking power | 5B |
| High/low-temperature impact | No change |
| 220 ℃ * 24h of high-temperature baking resistant | No change |
Table 4 present embodiment
The The performance test results of vacuum plating priming paint
| Project | The performance test results |
| Coating thickness | 10－15μm |
| Pencil hardness | ≥2H |
| Surface effect | Smooth smooth |
| Glossiness | 95 |
| Sticking power | 5B |
| 80 ℃ * 80% * 72h of fixed temperature and humidity | No change |
| 220 ℃ * 24h of high-temperature baking resistant | No change |
Claims (4)
1. an automobile reflection lampshade vacuum plating ultraviolet-curing paint comprises vacuum electroplating surface paint and vacuum plating priming paint, it is characterized in that:
The composition of raw materials of described vacuum electroplating surface paint is made up of each component of following parts by weight:
1 15～30 parts of urethane resins;
2 15～35 parts of urethane resins;
1～5 part of Dipentaerythritol five acrylate;
5～10 parts of 1-Methoxy-2-propyl acetates;
5～10 parts of alcohol acid butyl esters;
10～20 parts of ethyl glycolates;
10～20 parts of toluene;
0.01～0.1 part of flow agent;
184 1～3 parts of light triggers;
Above-mentioned urethane resin 1 is Bayer U100, and urethane resin 2 is Bayer U400;
The composition of raw materials of described vacuum plating priming paint is made up of each component of following parts by weight:
25～40 parts of polyester acrylates;
1～5 part of Dipentaerythritol five acrylate;
15～25 parts of Viscoat 295s;
1～5 part of pentaerythritol triacrylate;
5～10 parts of the third oxidation neopentylglycol diacrylates;
5～15 parts of Resins, epoxy;
5～15 parts of alcohol acid butyl esters;
5～20 parts of ethyl glycolates;
0.01～0.1 part of flow agent;
1,173 1～5 parts of light triggers;
Above-mentioned polyester acrylate is Bayer P175D.
2. according to the described a kind of automobile reflection lampshade vacuum plating ultraviolet-curing paint of claim 1, it is characterized in that in the composition of raw materials of described vacuum electroplating surface paint that flow agent is BYK-333.
3. according to the described a kind of automobile reflection lampshade vacuum plating ultraviolet-curing paint of claim 1, it is characterized in that in the composition of raw materials of described vacuum plating priming paint that Resins, epoxy is 20% 1-Methoxy-2-propyl acetate dilution before use with mass percent concentration.
4. according to the described a kind of automobile reflection lampshade vacuum plating ultraviolet-curing paint of claim 1, it is characterized in that in the composition of raw materials of described vacuum plating priming paint that flow agent adopts Di Gaosha auxiliary agent flow agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594078 CN102070979B (en) | 2010-12-17 | 2010-12-17 | Vacuum ultraviolet curing coating for reflective lamp shade of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594078 CN102070979B (en) | 2010-12-17 | 2010-12-17 | Vacuum ultraviolet curing coating for reflective lamp shade of automobile |
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| Publication Number | Publication Date |
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| CN102070979A true CN102070979A (en) | 2011-05-25 |
| CN102070979B CN102070979B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010594078 Active CN102070979B (en) | 2010-12-17 | 2010-12-17 | Vacuum ultraviolet curing coating for reflective lamp shade of automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773213A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Paint for PVC (polyvinyl chloride) lampshade and preparation method thereof |
| CN105363655A (en) * | 2015-09-28 | 2016-03-02 | 维沃移动通信有限公司 | Preparation method of electronic equipment shell and electronic equipment |
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| US4682851A (en) * | 1980-07-18 | 1987-07-28 | Desoto, Inc. | Soft and tough radiation-curable coatings for fiber optic application |
| US6426034B1 (en) * | 2000-10-31 | 2002-07-30 | Lilly Industries, Inc. | Radiation curable coating for thermoplastic substrates |
| CN101445679A (en) * | 2008-12-25 | 2009-06-03 | 四川大学 | UV-light solidifying paint having decorative effect and preparation method thereof |
| CN101864204A (en) * | 2010-06-09 | 2010-10-20 | 宜兴市宏泰化工有限公司 | Dedicated high-performance primer of ultraviolet-curing vacuum coating for reflector of automobile lamps |
-
2010
- 2010-12-17 CN CN 201010594078 patent/CN102070979B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4682851A (en) * | 1980-07-18 | 1987-07-28 | Desoto, Inc. | Soft and tough radiation-curable coatings for fiber optic application |
| US6426034B1 (en) * | 2000-10-31 | 2002-07-30 | Lilly Industries, Inc. | Radiation curable coating for thermoplastic substrates |
| CN101445679A (en) * | 2008-12-25 | 2009-06-03 | 四川大学 | UV-light solidifying paint having decorative effect and preparation method thereof |
| CN101864204A (en) * | 2010-06-09 | 2010-10-20 | 宜兴市宏泰化工有限公司 | Dedicated high-performance primer of ultraviolet-curing vacuum coating for reflector of automobile lamps |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773213A (en) * | 2014-01-20 | 2014-05-07 | 南通钰成光电科技有限公司 | Paint for PVC (polyvinyl chloride) lampshade and preparation method thereof |
| CN105363655A (en) * | 2015-09-28 | 2016-03-02 | 维沃移动通信有限公司 | Preparation method of electronic equipment shell and electronic equipment |
| CN105363655B (en) * | 2015-09-28 | 2018-10-19 | 维沃移动通信有限公司 | The preparation method and electronic equipment of electronic equipment casing |
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| Publication number | Publication date |
|---|---|
| CN102070979B (en) | 2012-09-05 |
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Address after: 516211 No. 30, Petrochemical Road, Huizhou, Dayawan, Guangdong Patentee after: Huizhou Changrunfa Coating Co., Ltd. Address before: 516211 Xintang Industrial Zone, Qiu Long Town, Huiyang District, Guangdong, Huizhou Patentee before: Huizhou Changrunfa Coating Co., Ltd. |
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Address after: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou City, Guangdong Province Patentee after: Guangdong Libang Changrunfa Science and Technology Material Co., Ltd. Address before: 516211 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou City, Guangdong Province Patentee before: Huizhou Changrunfa Coating Co., Ltd. |
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