CN102167950B - Vacuum plating paint, and preparation and construction methods thereof - Google Patents
Vacuum plating paint, and preparation and construction methods thereof Download PDFInfo
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- CN102167950B CN102167950B CN 201110064999 CN201110064999A CN102167950B CN 102167950 B CN102167950 B CN 102167950B CN 201110064999 CN201110064999 CN 201110064999 CN 201110064999 A CN201110064999 A CN 201110064999A CN 102167950 B CN102167950 B CN 102167950B
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- polyurethane acrylate
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Abstract
The invention discloses a vacuum plating paint, and preparation and construction methods thereof. The vacuum plating paint is composed of a priming coat, an undercoat and a finish coat, wherein the priming coat is prepared from polyurethane acrylate resin, acrylate, photoinitiator, organosiloxane leveling agent, butyl acetate, ethyl acetate and isopropanol; the undercoat is prepared from polyester-modified polyurethane acrylate resin, polyurethane acrylate resin, phosphate acrylate, photoinitiator, butyl acetate, ethyl acetate and isopropanol; and the finish coat is prepared from polyurethane acrylate resin, acrylate, phosphate acrylate, photoinitiator, organosiloxane leveling agent, butyl acetate, ethyl acetate and isopropanol. By adopting imported environment-friendly raw materials, the vacuum plating paint has the advantage of low toxicity; no high-temperature high-pressure process is carried out in the production process, so the vacuum plating paint has the advantage of high safety; the vacuum plating paint does not need to be diluted, and thus, can be directly used conveniently; and the priming coat, undercoat and finish coat are cured under ultraviolet, so the vacuum plating paint has the advantage of high production efficiency.
Description
Technical field
The present invention relates to realize by technique for vacuum coating the electroplating coating of the metallization decorative effect of engineering plastics, especially a kind of vacuum plating coating and preparation and constructional method.
Background technology
The metal vacuum electroplating technology is exactly under the environment of high vacuum, with the gasification of plated film material, then is deposited on a kind of technique that workpiece surface is realized metal effect by specific heating source, divides vacuum evaporation coating and vacuum magnetron sputtering coating film according to the form of heating source.Because of common engineering frosting slipperiness deficiency; need a kind of priming paint coating structure to go out a smooth surface; realize various metal effects, just need a kind of middle lacquer that coating is painted again, protect with finish paint at last; formation can be lasting the metal finishing effect; present existing solution is solvent based coating, adopts hot baking form to solidify, and volatility is large; take energy during construction cost, human body is poisoned large.
Summary of the invention
The present invention has controlled the photocuring reaction shrinkability by rational formulating of recipe, has solved a sticking power difficult problem, but increases the reliability of finish paint by the middle lacquer transition layer of additive color again.Coating need not dilute by thinner, and direct spraying uses.
The technical solution adopted for the present invention to solve the technical problems is: described vacuum plating coating is comprised of priming paint, middle lacquer, finish paint, and priming paint, middle lacquer, finish paint are by weight ratio:
Priming paint: polyurethane acrylate resin 20-25%, acrylate 20-25%, HCPK and TPO mixed light initiator 2-4%, organo-siloxane flow agent 0.5-1%, butylacetate 15-20%, ethyl acetate 20-25%, Virahol 10-15%;
Middle lacquer: polyester modified polyurethane acrylate resin 25-30%, polyurethane acrylate resin 5-10%, phosphoester acrylic ester 0.2-1%, HCPK and TPO mixed light initiator 0.5-1%, butylacetate 15-20%, ethyl acetate 25-30%, Virahol 20-25%;
Finish paint: polyurethane acrylate resin 25-30%, acrylate 10-15%, phosphoester acrylic ester 0.2-1%, HCPK and TPO mixed light initiator 2-4%, organo-siloxane flow agent 0.5-1%, butylacetate 15-20%, ethyl acetate 20-25%, Virahol 15-20%.
The preparation method of vacuum plating coating is:
The preparation method of priming paint is: dropped into behind acrylate, the polyurethane acrylate resin high-speed stirring 20 minutes in sealable container; Butylacetate, ethyl acetate, Virahol are prepared priming paint part by weight 15%:20%:10% as required be made into mixed solvent, slowly drop into the mixed solvent of 40-42% at whipped state, middling speed stirred 10 minutes; Then drop into HCPK and TPO mixed light initiator and organo-siloxane flow agent, middling speed stirred 10 minutes; Use again remaining mixed solvent stirring at low speed with priming paint adjusting viscosity to 9.5 ± 0.5s;
The preparation method of middle lacquer is: dropped into behind polyester modified polyurethane acrylate resin, polyurethane acrylate resin, the phosphoester acrylic ester high-speed stirring 20 minutes in sealable container; Lacquer part by weight 15%:25%:20% was made into mixed solvent during butylacetate, ethyl acetate, Virahol prepared as required, slowly dropped into the mixed solvent of 55-58% at whipped state, and middling speed stirred 10 minutes; Then drop into HCPK and TPO mixed light initiator, middling speed stirred 10 minutes; Use again remaining mixed solvent stirring at low speed with middle lacquer adjusting viscosity to 8.5 ± 0.5s;
The preparation method of finish paint is: dropped into behind polyurethane acrylate resin, acrylate, the phosphoester acrylic ester high-speed stirring 20 minutes in sealable container; Butylacetate, ethyl acetate, Virahol are prepared the finish paint part by weight as required be made into mixed solvent at 15%: 20%: 15%, slowly drop into the mixed solvent of 45-48% at whipped state, middling speed stirred 10 minutes; Then drop into HCPK and TPO mixed light initiator and organo-siloxane flow agent, middling speed stirred 10 minutes; Use again remaining mixed solvent stirring at low speed with finish paint adjusting viscosity to 9 ± 0.5s.
Carrying out electric plating method with vacuum plating coating is: priming paint, middle lacquer, finish paint filter with 500 mesh filter screens, finish by the process sequence of priming paint → plated film → middle lacquer → finish paint, and processing parameter is:
Priming paint: thickness 12-20 μ m, 55 ± 5 ℃ * 4-10min of IR, UV energy 1000-1500mJ/cm
2
Middle lacquer: thickness 3-9 μ m, 55 ± 5 ℃ * 4-10min of IR, UV energy 300-500mJ/cm
2
Finish paint: thickness 12-20 μ m, 55 ± 5 ℃ * 4-10min of IR, UV energy 1200-1800mJ/cm
2
In not additive color or when light color, are without middle lacquerer's order.
Effect of the present invention is: 1, adopt import environmental protection raw material, low toxicity; 2, production process is without the High Temperature High Pressure process, and is safe; 3, directly use.Need not dilute, convenient; 4, be ultraviolet light polymerization, production efficiency is high.
Embodiment
Below in conjunction with embodiment the present invention is done and to describe in further detail.
Priming paint is by weight ratio:
| Scheme | Polyurethane acrylate resin | Acrylate | The organo-siloxane flow agent | HCPK and TPO mixed light initiator | Mixture |
| DA | 20 | 25 | 0.5 | 4 | 50.5 |
| DB | 25 | 20 | 0.5 | 3 | 51.5 |
| DC | 22.5 | 22.5 | 1.0 | 3.5 | 50.5 |
Middle lacquer is by weight ratio:
| Scheme | The polyester modified polyurethane acrylate resin | Polyurethane acrylate resin | Phosphoester acrylic ester | HCPK and TPO mixed light initiator | Mixture |
| ZA | 30 | 5 | 1.0 | 0.5 | 63.5 |
| ZB | 30 | 5 | 1.0 | 1.0 | 63 |
Finish paint is by weight ratio:
| Scheme | Polyurethane acrylate resin | Acrylate | The organo-siloxane flow agent | Phosphoester acrylic ester | HCPK and TPO mixed light initiator | Mixture |
| MA | 30 | 15 | 0.5 | 1.0 | 3 | 50.5 |
Vacuum Deposition indium film test interpretation of result
DA+ZA+MA: part has loss of gloss, 2 hours sticking power test passes of boiling water boiling; Analyze; The acrylate ratio is too high, and is too strong to the base material swelling property, causes the priming paint loss of gloss.
DA+Z
B+ MA: part has loss of gloss, and 30 minutes clock sticking power of boiling water boiling test passes is boiled 1 hour postadhesion power test finish paint and partly come off; Analyze; Middle lacquer photoinitiator levels is higher, overreact, and it is bad to cause that finish paint adheres to.
DB+ZA+MA: 1 hour sticking power test passes of boiling water boiling, boil after 3 hours priming paint part from the base material and come off; Analyze; The acrylate ratio very little, and is not enough to the base material swelling property, causes that priming paint and base material adherence are bad.
DB+ZB+MA: boiling water boiling is priming paint after 2 hours, and finish paint all has part to come off; Analyze; Middle lacquer photoinitiator levels is higher, overreact.
DC+ZA+MA: boiling water boiling after 2 hours coating part from the priming paint come off; Analyze; Flow agent content is higher, affects the absorption of coating.
DC+ZB+MA: boiling water boiling is coating after 2 hours, and finish paint all has part to come off; Analyze; Middle lacquer photoinitiator levels is higher, overreact.
Conclusion (of pressure testing):
Polyurethane acrylate resin in the priming paint and acrylate ratio will suit, and optimum proportion is 1:1; Organo-siloxane flow agent consumption in the priming paint can not be too high; Middle lacquer light trigger ratio can not be high.
Example 1: with the spraying of low-pressure spray gun air atomizing, base material is the PC phone housing, priming paint thickness 16 μ m, 55 ℃ * 6min of IR, UV energy 1100 mJ/cm
2Plated film, this moment, Vacuum Deposition 50%:50% indium stannum alloy film added 35% dyestuff that admittedly contains 2%, thickness 5 μ m, 55 ℃ * 6min of IR, UV energy 380mJ/cm
2Finish paint thickness 18 μ m, 60 ℃ * 6min of IR, UV energy 1360 mJ/cm
2Test performance sticking power is greater than 95%, and hardness is not less than H(1000g power), RCA(175g power) greater than 500 times, light discolouration sticking power is arranged greater than 95% behind the boiling water poach 60min, vibration abrasion 120min is without coming off.
Example 2: with the spraying of low-pressure spray gun air atomizing, base material is the PC mobile phone navigation key, priming paint thickness 18 μ m, 55 ℃ * 6min of IR, UV energy 1300 mJ/cm
2Plated film, at this moment Al metallizing Fool; Middle lacquer adds 18% nano color paste that admittedly contains 3%, thickness 7 μ m, 55 ℃ * 6min of IR, UV energy 420 mJ/cm
2Finish paint thickness 20 μ m, 60 ℃ * 6min of IR, UV energy 1600 mJ/cm
2Test performance sticking power is greater than 95%, and hardness is not less than H(1000g power), vibration abrasion 180min is without coming off.
Example 3: with the spraying of low-pressure spray gun air atomizing, base material is PC+10% glass hand set machine shell, priming paint thickness 20 μ m, 60 ℃ * 6min of IR, UV energy 1000 mJ/cm
2Plated film, at this moment Vacuum Deposition indium film; Middle lacquer adds 18% nano color paste that admittedly contains 2%, thickness 6 μ m, 55 ℃ * 6min of IR, UV energy 300 mJ/cm
2Finish paint thickness 16 μ m, 60 ℃ * 6min of IR, UV energy 1200 mJ/cm
2Test performance sticking power is greater than 95%, and hardness is not less than H(1000g power), RCA(175g power) greater than 500 times, behind the boiling water poach 60min without variable color and foaming sticking power greater than 95%, vibration abrasion 120min is without coming off.
Example 4: with the spraying of low-pressure spray gun air atomizing, base material is the PC hand set machine shell, priming paint thickness 12 μ m, 50 ℃ * 6min of IR, UV energy 800 mJ/cm
2Plated film, at this moment vacuum tin-plated coating film; Lacquer in the nothing; Finish paint thickness 14 μ m, 60 ℃ * 6min of IR, UV energy 1200 mJ/cm
2Test performance sticking power is greater than 95%, and hardness is not less than H(1000g power), RCA(175g power) greater than 350 times.
Claims (3)
1. vacuum plating coating, it is characterized in that: described vacuum plating coating is comprised of priming paint, middle lacquer, finish paint, and priming paint, middle lacquer, finish paint are by weight ratio:
Priming paint: polyurethane acrylate resin 20-25%, acrylate 20-25%, HCPK and TPO mixed light initiator 2-4%, organo-siloxane flow agent 0.5-1%, butylacetate 15-20%, ethyl acetate 20-25%, Virahol 10-15%;
Middle lacquer: polyester modified polyurethane acrylate resin 25-30%, polyurethane acrylate resin 5-10%, phosphoester acrylic ester 0.2-1%, HCPK and TPO mixed light initiator 0.5-1%, butylacetate 15-20%, ethyl acetate 25-30%, Virahol 20-25%;
Finish paint: polyurethane acrylate resin 25-30%, acrylate 10-15%, phosphoester acrylic ester 0.2-1%, HCPK and TPO mixed light initiator 2-4%, organo-siloxane flow agent 0.5-1%, butylacetate 15-20%, ethyl acetate 20-25%, Virahol 15-20%.
2. method for preparing vacuum plating coating claimed in claim 1 is characterized in that:
The preparation method of priming paint is: dropped into behind acrylate, the polyurethane acrylate resin high-speed stirring 20 minutes in sealable container; Butylacetate, ethyl acetate, Virahol are prepared priming paint part by weight 15%:20%:10% as required be made into mixed solvent, slowly drop into the mixed solvent of 40-42% at whipped state, middling speed stirred 10 minutes; Then drop into HCPK and TPO mixed light initiator and organo-siloxane flow agent, middling speed stirred 10 minutes; Use again remaining mixed solvent stirring at low speed with priming paint adjusting viscosity to 9.5 ± 0.5s;
The preparation method of middle lacquer is: dropped into behind polyester modified polyurethane acrylate resin, polyurethane acrylate resin, the phosphoester acrylic ester high-speed stirring 20 minutes in sealable container; Lacquer part by weight 15%:25%:20% was made into mixed solvent during butylacetate, ethyl acetate, Virahol prepared as required, slowly dropped into the mixed solvent of 55-58% at whipped state, and middling speed stirred 10 minutes; Then drop into HCPK and TPO mixed light initiator, middling speed stirred 10 minutes; Use again remaining mixed solvent stirring at low speed with middle lacquer adjusting viscosity to 8.5 ± 0.5s;
The preparation method of finish paint is: dropped into behind polyurethane acrylate resin, acrylate, the phosphoester acrylic ester high-speed stirring 20 minutes in sealable container; Butylacetate, ethyl acetate, Virahol are prepared the finish paint part by weight as required be made into mixed solvent at 15%: 20%: 15%, slowly drop into the mixed solvent of 45-48% at whipped state, middling speed stirred 10 minutes; Then drop into HCPK and TPO mixed light initiator and organo-siloxane flow agent, middling speed stirred 10 minutes; Use again remaining mixed solvent stirring at low speed with finish paint adjusting viscosity to 9 ± 0.5s.
3. one kind is carried out electric plating method with vacuum plating coating claimed in claim 1, and it is characterized in that: priming paint, middle lacquer, finish paint filter with 500 mesh filter screens, finish by the process sequence of priming paint → plated film → middle lacquer → finish paint, and processing parameter is:
Priming paint: thickness 12-20 μ m, 55 ± 5 ℃ * 4-10min of IR, UV energy 1000-1500mJ/cm
2
Middle lacquer: thickness 3-9 μ m, 55 ± 5 ℃ * 4-10min of IR, UV energy 300-500mJ/cm
2
Finish paint: thickness 12-20 μ m, 55 ± 5 ℃ * 4-10min of IR, UV energy 1200-1800mJ/cm
2
In not additive color or when light color, are without middle lacquerer's order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110064999 CN102167950B (en) | 2011-03-18 | 2011-03-18 | Vacuum plating paint, and preparation and construction methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110064999 CN102167950B (en) | 2011-03-18 | 2011-03-18 | Vacuum plating paint, and preparation and construction methods thereof |
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| CN102167950A CN102167950A (en) | 2011-08-31 |
| CN102167950B true CN102167950B (en) | 2013-03-27 |
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| CN102391776B (en) * | 2011-10-17 | 2013-06-19 | 郴州市帝京化学科技有限公司 | Vacuum plating photocureable coating |
| CN103509459A (en) * | 2012-12-03 | 2014-01-15 | 袁吉昌 | Ultraviolet-cured glass electroplated paint and using method thereof |
| CN103602258B (en) * | 2013-12-06 | 2016-04-06 | 东周化学工业（昆山）有限公司 | UV-curable finish coat adhesive agent |
| CN103865365B (en) * | 2014-03-14 | 2016-11-16 | Ppg涂料(天津)有限公司 | coating system |
| CN104927549A (en) * | 2015-06-02 | 2015-09-23 | 清远雅克化工有限公司 | Coating with electroplating appearance effect as well as preparation method and construction process for coating |
| CN105018929A (en) * | 2015-07-29 | 2015-11-04 | 广东欧珀移动通信有限公司 | Shell and manufacturing method thereof |
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| CN106905839A (en) * | 2017-04-18 | 2017-06-30 | 德阳森华新材料科技有限公司 | Solvent type vacuum electroplates photocureable coating |
| CN108297315A (en) * | 2018-03-16 | 2018-07-20 | 深圳市迪嘉机械有限公司 | A kind of plating fast plastic mould and its manufacturing method for injection molding |
| CN108676488B (en) * | 2018-05-25 | 2020-11-06 | 深圳市深赛尔股份有限公司 | High-performance vacuum plating UV coating and preparation method thereof |
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| CN109810627A (en) * | 2019-01-16 | 2019-05-28 | 陈建平 | A kind of high covering UV inorganic agent and its treatment process |
| CN110628318A (en) * | 2019-10-14 | 2019-12-31 | 广东昊辉新材料有限公司 | UV spraying bright white paint and preparation method thereof |
| CN112063292B (en) * | 2020-09-25 | 2021-09-21 | 惠州市韵点新材料科技股份有限公司 | High-adhesion mobile phone vacuum electroplating UV (ultraviolet) curing coating |
| CN114806242B (en) * | 2021-05-27 | 2023-03-17 | 肇庆市哈力化工有限公司 | High-solid-content low-viscosity UV coating paint and preparation method thereof |
| CN113736357A (en) * | 2021-08-30 | 2021-12-03 | 湖南松井新材料股份有限公司 | Vacuum coating nano white slurry medium paint and preparation method and application thereof |
| CN114316783B (en) * | 2021-12-01 | 2023-04-11 | 卡秀万辉(无锡)高新材料有限公司 | UV photocureable coating for vacuum sputtering of stainless steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080008957A1 (en) * | 2006-06-27 | 2008-01-10 | Eastman Kodak Company | Negative-working radiation-sensitive compositions and imageable elements |
| CN101497630B (en) * | 2009-03-09 | 2011-10-26 | 安徽恒远化工有限公司 | Phosphoric acrylic ester monomer, hyperbranched polymer flame retardant and preparation thereof |
| CN101781486B (en) * | 2010-03-11 | 2012-03-21 | 苏州市明大高分子科技材料有限公司 | Ultraviolet cured flame-retardant coating and preparation method thereof |
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Address after: 341903 the old town of Dingnan County of Jiangxi province Ganzhou City Tai Ping Gang Industrial Zone Patentee after: New Mstar Technology Ltd in Jiangxi Address before: 341903 the old town of Dingnan County of Jiangxi province Ganzhou City Tai Ping Gang Industrial Zone Patentee before: Ganzhou Cicai Ink & Paint Industrial Co., Ltd. |
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Address after: 341900 Taiping hill, old town of Ding Nan county, Ganzhou, Jiangxi Patentee after: Jiangxi Qicai New Material Co., Ltd Address before: 341903 the old town of Dingnan County of Jiangxi province Ganzhou City Tai Ping Gang Industrial Zone Patentee before: JIANGXI CICAI NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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