CN103319970A - Electrosilvering-like paint - Google Patents
Electrosilvering-like paint Download PDFInfo
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- CN103319970A CN103319970A CN 201310251089 CN201310251089A CN103319970A CN 103319970 A CN103319970 A CN 103319970A CN 201310251089 CN201310251089 CN 201310251089 CN 201310251089 A CN201310251089 A CN 201310251089A CN 103319970 A CN103319970 A CN 103319970A
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- electrosilvering coating
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Abstract
The invention relates to an electrosilvering-like paint which comprises 10-12 wt% of acrylic resin, 3-6 wt% of filler, 2-3 wt% of pigment, 1.5-3.5 wt% of assistant and 75-85 wt% of solvent. The electrosilvering-like paint provided by the invention has excellent adhesiveness and solvent resistance, and is suitable for application of mobile phones, toys, plastic artware, cosmetics, notebook computer surfaces and the like. The formed paint film has the advantages of flatness, high brightness, bright color, high hardness, high film thickness, favorable wearability, excellent adhesiveness and excellent solvent resistance.
Description
Technical field
The invention belongs to the technical field of coating, more particularly, the present invention relates to a kind of imitative electrosilvering coating with excellent adhesion and solvent resistance.
Background technology
Acrylic resin-based imitative electrosilvering coating is widely used in the application of the IT product frostings such as mobile phone, toy, technique plastic prod, series cosmetics and notebook computer because it has good physical mechanical ability and good guarantor's light, protects the application that the characteristics such as look, weathering resistance are widely used in the product casing of high-chemical-resistance such as this coating.When applying above-mentioned imitative electrosilvering coating, usually need at first apply priming paint (primer coating) composition, then carry out face and apply.Because the face coat that applies need have outstanding outward appearance aspect slickness and the glossiness, and need have outstanding solvent resistance, thereby the coating that needs heavy dressing to use has outstanding tack, i.e. the outstanding tack that is coated with again.Yet, imitative electrosilvering coating well known in the prior art be difficult to form have colored appearance, solvent resistance and be coated with again the face coat of tack.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the object of the present invention is to provide a kind of imitative electrosilvering coating with excellent adhesion and solvent resistance.
In order to realize the foregoing invention purpose, imitative electrosilvering coating of the present invention comprises the acrylic resin of following component: 10-12wt%, the filler of 3-6wt%, the pigment of 2-3wt%, the auxiliary agent of 1.5-3.5wt%, the solvent of 75-85wt%.
Wherein, described acrylic resin is selected from one or more in (methyl) methyl acrylate, (methyl) vinylformic acid ethyl ester, (methyl) vinylformic acid propyl diester, (methyl) butyl acrylate cores, (methyl) Ethyl acrylate, (methyl) vinylformic acid (2-ethylhexyl) ester, (methyl) vinylformic acid n-octyl, (methyl) lauryl acrylate or (methyl) vinylformic acid stearyl.
Wherein, described filler is selected from least a in kaolin, aluminum oxide, aluminium dioxide, diatomite, talcum powder, gloss white and the mica powder.
Wherein, described pigment is selected from least a in aluminum paste or the aluminium paste.
Wherein, described solvent is the mixture of methylcarbonate (DMC), diethyl carbonate (DEC), Methyl ethyl carbonate (EMC) and Virahol.The present invention uses described mixed carbonate ester series solvent to substitute traditional organic solvent in described imitative electrosilvering coating, not only environmental protection, and can significantly improve the surface quality of coating, improve the solvent resistance of described coating.
Wherein, described auxiliary agent can come selectively to use as required, and described auxiliary agent comprises dispersion agent, defoamer and thickening material.
Wherein, contain the imidazoles silane of 1.2-1.8wt% in the described imitative electrosilvering coating, for example TSIM (CAS18156-74-6).Use above-mentioned imidazoles silane, can significantly improve the tack of described coating and priming paint, further improved the quality of coating.
Compared with prior art, the present invention has following beneficial effect:
Imitative electrosilvering coating of the present invention has excellent tack and solvent resistance, and described coating is applicable to the coating on mobile phone, toy, technique plastic products, series cosmetics, notebook computer surface etc.Paint film smooth, lovely luster, the hardness that application forms is high, become thickness, high abrasion resistance, and has excellent tack and solvent resistance.
Embodiment
Below, will be further described technical scheme of the present invention according to specific embodiment, yet the present invention is not limited to these embodiment.
Imitative electrosilvering coating of the present invention comprises following component: acrylic resin: 10-12wt%, filler: 3-6wt%, pigment: 2-3wt%, defoamer (BYK-094): 0.5-0.8wt%, flow agent (H-140): 1.2-1.8wt%, dispersion agent (DOW CORNING DC-3): 1.5-2.0wt%, thickening material (UH-450VF): 0.2-0.3wt%, TSIM: 1.2-1.8wt%, methylcarbonate: 15-18wt%, diethyl carbonate: 6-8wt%, Methyl ethyl carbonate: 20-25wt%, Virahol: 20-35wt%.
Preferably, described imitative electrosilvering coating comprises following component: (methyl) methyl acrylate: 10-12wt%, filler: 3-6wt%, pigment: 2-3wt%, BYK-094:0.5-0.8wt%, DOW CORNING DC-3:1.5-2.0wt%, UH-450VF:0.2-0.3wt%, TSIM: 1.2-1.8wt%, methylcarbonate: 15-18wt%, diethyl carbonate: 6-8wt%, Methyl ethyl carbonate: 20-25wt%, Virahol: 20-35wt%.
Imitative electrosilvering coating of the present invention can be dissolved or dispersed in the compositions such as acrylic resin, filler, pigment, auxiliary agent in the above-mentioned mixed solvent by currently known methods and prepare.Imitative electrosilvering coating of the present invention is owing to having excellent tack.
Imitative electrosilvering coating of the present invention can be used by known coating processes such as hydraulic spraying, aerial spraying, electrostatic spraying.The thickness of solidified coating is preferably approximately 10-100um usually, more elects 20-50um as.The temperature that drying is cured is preferably 120-150 ℃, and the time is about 20-40min.
The technical parameter of table 1 imitative electrosilvering coating of the present invention
| Project | Index | The method of inspection |
| Paint film appearance and color | Paint film is smooth, and color meets model | Range estimation |
| Non-volatile matter, % 〉= | 15-20 | GB/T6751-1986 |
| Viscosity, s | 8-9 | GB/T1723-1993 |
| 60 ° of gloss 〉= | 90 | GB/T9574 |
| Cross cut test≤ | 1 grade | GB/T9286-1998 |
| Hardness 〉= | HB-H | GB/T6739-1996 |
| Ethanol-tolerant, (99.7% ethanol) | 30 times | GB/T9274-88 |
| Fineness, μ m≤ | 10 | GB/T1724-1979(1989) |
Below in conjunction with embodiment the present invention is specifically described.Raw materials used among the embodiment, unless otherwise indicated, be the coating industrial goods, can buy from market.Related equipment is the coatings industry conventional equipment.At embodiments of the invention, apply in the mode of hand spray, coupons is the ABS offset plate, described ABS offset plate is of a size of the cm of W15 * L30 * (0.2-0.3).Dry paint thickness: 4 ± 1 μ m.When passing through the execution conditions of hand spray in an embodiment of the present invention, the described processing parameter of employing table 2 applies.
Table 2 hand spray parameter
| ? | Hand spray |
| Thinning ratio, % | Direct spraying |
| Spray viscosity, s | 8.5-9.5 |
| Spray pressure, MPa | 0.4-0.55 |
| Spray distance, cm | 25-30 |
| Drying conditions | 60±5℃×30min |
The prescription of the described coating of embodiment 1-3 (S1-S3) and the proportioning of comparative example 1-3 (D1-D3) are as shown in table 3.
Table 3
| Component | Material name | S1 | S2 | S3 | D1 | D2 | D3 |
| Acrylic resin | Methyl methacrylate | 10 | 11 | 12 | 12 | 12 | 10 |
| Filler | Silicon-dioxide | 3 | 5 | 6 | 5 | 5 | 3 |
| Pigment | Aluminium paste | 3 | 2 | 2 | 2 | 2 | 3 |
| Defoamer | BYK-094 | 0.5 | 0.8 | 0.5 | 0.5 | 0.5 | 0.5 |
| Dispersion agent | DOW CORNING DC-3 | 2.0 | 1.5 | 2.0 | 2.0 | 2.0 | 2.0 |
| Thickening material | UH-450VF | 0.3 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 |
| TSIM | TSIM | 1.8 | 1.2 | 1.8 | / | / | / |
| Aminosilane | γ aminopropyltriethoxy silane | / | / | / | 1.8 | / | 1.8 |
| Methylcarbonate | Methylcarbonate | 18 | 15 | 18 | / | / | 18 |
| Diethyl carbonate | Diethyl carbonate | 6 | 6 | 8 | / | / | 6 |
| Methyl ethyl carbonate | Methyl ethyl carbonate | 25 | 20 | 25 | / | / | 25 |
| Virahol | Virahol | Surplus | Surplus | Surplus | / | / | Surplus |
| Water | Water | / | / | / | Surplus | Surplus | ? |
Wherein this component is not added in "/" representative.
Tack according to GB/T9286-1998 cross cut test test S1-S3 and D1-D2; Test the time that light discolouration occurs for it according to GB/T9274-88 test alcohol resistance.Test result is as shown in table 4.
Table 4
| Project | S1 | S2 | S3 | D1 | D2 | D3 |
| Cross cut test, level | 0 | 0 | 0 | 2 | 2 | 1 |
| Alcohol resistance, h | 80 | 72 | 82 | 32 | 30 | 50 |
For the ordinary skill in the art, be to be understood that and do not breaking away from the scope disclosed by the invention, can adopt to be equal to and replace or equivalent transformation form enforcement above-described embodiment.Protection scope of the present invention is not limited to the specific embodiment of embodiment part, and the embodiment as long as no breaking away from invention essence all is interpreted as having dropped within the protection domain of requirement of the present invention.
Claims (9)
1. an imitative electrosilvering coating is characterized in that comprising the acrylic resin of following component: 10-12wt%, the filler of 3-6wt%, the pigment of 2-3wt%, the auxiliary agent of 1.5-3.5wt%, the solvent of 75-85wt%.
2. imitative electrosilvering coating according to claim 1 is characterized in that described acrylic resin is selected from least a in (methyl) methyl acrylate, (methyl) vinylformic acid ethyl ester, (methyl) vinylformic acid propyl diester, (methyl) butyl acrylate cores, (methyl) Ethyl acrylate, (methyl) vinylformic acid (2-ethylhexyl) ester, (methyl) vinylformic acid n-octyl, (methyl) lauryl acrylate or (methyl) vinylformic acid stearyl.
3. imitative electrosilvering coating according to claim 1 is characterized in that described filler is selected from least a in kaolin, aluminum oxide, aluminium dioxide, diatomite, talcum powder, gloss white and the mica powder.
4. imitative electrosilvering coating according to claim 1 is characterized in that described pigment is selected from least a in aluminium paste or the silver slurry.
5. imitative electrosilvering coating according to claim 1 is characterized in that described solvent is the mixture of methylcarbonate (DMC), diethyl carbonate (DEC), Methyl ethyl carbonate (EMC) and Virahol.
6. imitative electrosilvering coating according to claim 1 is characterized in that described auxiliary agent comprises dispersion agent, defoamer and thickening material.
7. imitative electrosilvering coating according to claim 1 it is characterized in that also containing in the described imitative electrosilvering coating imidazoles silane of 1.2-1.8wt%, and described imidazoles silane is TSIM.
8. imitative electrosilvering coating according to claim 1 is characterized in that composed of the following components: acrylic resin: 10-12wt%, filler: 3-6wt%, pigment: 2-3wt%, defoamer: 0.5-0.8wt%, dispersion agent: 1.5-2.0wt%, thickening material: 0.2-0.3wt%, TSIM: 1.2-1.8wt%, methylcarbonate: 15-18wt%, diethyl carbonate: 6-8wt%, Methyl ethyl carbonate: 20-25wt% and Virahol: 20-35wt%.
9. imitative electrosilvering coating according to claim 1, it is characterized in that composed of the following components: described imitative electrosilvering coating comprises following component: (methyl) methyl acrylate: 10-12wt%, filler: 3-6wt%, pigment: 2-3wt%, BYK-094:0.5-0.8wt%, DOW CORNING DC-3:1.5-2.0wt%, UH-450VF:0.2-0.3wt%, TSIM: 1.2-1.8wt%, methylcarbonate: 15-18wt%, diethyl carbonate: 6-8wt%, Methyl ethyl carbonate: 20-25wt%, Virahol: 20-35wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310251089.4A CN103319970B (en) | 2013-06-24 | 2013-06-24 | Imitative electrosilvering coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310251089.4A CN103319970B (en) | 2013-06-24 | 2013-06-24 | Imitative electrosilvering coating |
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| CN103319970A true CN103319970A (en) | 2013-09-25 |
| CN103319970B CN103319970B (en) | 2015-11-25 |
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| CN201310251089.4A Expired - Fee Related CN103319970B (en) | 2013-06-24 | 2013-06-24 | Imitative electrosilvering coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178539A (en) * | 2016-07-25 | 2016-12-07 | 浙江恒祥玩具有限公司 | A kind of Novel intelligence developmental wooden toy and preparation technology thereof |
| CN111842074A (en) * | 2020-07-31 | 2020-10-30 | 太仓市天丝利塑化有限公司 | Electroplating-imitating spraying process for processing automotive upholstery |
| CN112694805A (en) * | 2020-12-24 | 2021-04-23 | 浩力森涂料（上海）有限公司 | Low-temperature baking water-based electrosilvering coating and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1860253B (en) * | 2003-09-29 | 2010-06-16 | 东丽株式会社 | Titanium or titanium alloy, resin composition for adhesion, prepreg and composite material |
| CN1837306A (en) * | 2005-03-22 | 2006-09-27 | 韩建华 | Plastic decorative coating and corresponding diluent |
| CN101210094A (en) * | 2006-12-26 | 2008-07-02 | 比亚迪股份有限公司 | Resin composition and preparation method thereof |
| CN101157813B (en) * | 2007-09-12 | 2010-11-10 | 深圳市广田环保涂料有限公司 | Electroplating effect imitated plastic paint and preparation method, diluent and process of using same |
| CN101531852B (en) * | 2009-04-13 | 2011-04-13 | 湖南湘江涂料集团有限公司 | Spraying type fluorocarbon metallic paint and application thereof in aluminium alloy sections of buildings |
-
2013
- 2013-06-24 CN CN201310251089.4A patent/CN103319970B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178539A (en) * | 2016-07-25 | 2016-12-07 | 浙江恒祥玩具有限公司 | A kind of Novel intelligence developmental wooden toy and preparation technology thereof |
| CN111842074A (en) * | 2020-07-31 | 2020-10-30 | 太仓市天丝利塑化有限公司 | Electroplating-imitating spraying process for processing automotive upholstery |
| CN112694805A (en) * | 2020-12-24 | 2021-04-23 | 浩力森涂料（上海）有限公司 | Low-temperature baking water-based electrosilvering coating and preparation method thereof |
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| CN103319970B (en) | 2015-11-25 |
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Granted publication date: 20151125 Termination date: 20170624 |