CN112521020A - Etching liquid, mobile phone rear shell manufacturing process, glass shell and electronic equipment - Google Patents
Etching liquid, mobile phone rear shell manufacturing process, glass shell and electronic equipment Download PDFInfo
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- CN112521020A CN112521020A CN202011413523.0A CN202011413523A CN112521020A CN 112521020 A CN112521020 A CN 112521020A CN 202011413523 A CN202011413523 A CN 202011413523A CN 112521020 A CN112521020 A CN 112521020A
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- rear shell
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
Abstract
The invention discloses an etching solution capable of enabling mobile phone back shell glass to have a silk and satin touch effect, which is composed of the following raw materials in parts by mass: 8-15% NH4F. 2-6% of NaF, 3-8% of HF and 12-25% of CH3COOH, 10-18% NH2SO3H. 1-1.5% of K2HPO45 to 10 percent of KCL, 0.5 to 1.0 percent of KI, 0.2 to 0.8 percent of sodium dodecyl benzene sulfonate, 0.2 to 0.5 percent of polyaluminum chloride, 5 to 10 percent of sodium carboxymethyl cellulose, 3 to 8 percent of polyglucose and 20 to 38 percent of H2And O. The method comprises the steps of carrying out acid etching treatment on the mobile phone rear shell made of high-alumina-silica glass, and forming a micron-sized etching layer with an orange-peel-shaped convex-concave structure, wherein the etching layer is irregular in shape, uneven in surface, and smooth and round in edge and surface, so that a satin-like texture is generated on the surface of the mobile phone rear shell glassThe floor has the advantages of soft, smooth and exquisite touch effect, and has the excellent characteristics of fineness, silky smoothness, scratch resistance, fingerprint resistance and the like.
Description
Technical Field
The invention belongs to the technical field of etched glass, and particularly relates to glass etching liquid with silk tactile effect, a mobile phone rear shell manufacturing process, a glass shell and electronic equipment.
Background
Along with popularization and promotion of smart phones, diversified and differentiated decoration requirements of mobile phone models are presented, frosting decoration of mobile phone glass backshells is more and more favored by people, the frosting technology commonly used at present is to perform frosting etching on a glass substrate through frosting liquid, so that the glass substrate can obtain a hazy appearance effect, and the appearance visual effect of the mobile phone backshell is improved; however, the fine silky etching effect generated when the glass substrate is subjected to frosting etching by the conventional etching formula and etching process at present cannot reach the satin silky tactile effect.
Disclosure of Invention
The invention aims to provide etching solution with silk tactile effect and a process for manufacturing a mobile phone glass rear shell thereof, wherein the mobile phone rear shell made of high-alumina-silica glass is subjected to acid etching treatment, and a micron-sized etching layer with an irregular shape, a convex-concave uneven surface and a smooth and round edge and surface and with a tangerine peel-shaped convex-concave structure is formed on the surface of the glass, so that the touch effect as smooth and fine as silk texture is generated on the surface of the mobile phone rear shell glass, and the mobile phone rear shell glass has the excellent characteristics of fineness, silk smoothness, scratch resistance, fingerprint resistance and the like.
Based on the purpose, the invention adopts the following technical scheme:
an etching solution with a satin velvet silky effect is composed of the following raw materials in percentage by mass: 8-15% NH4F. 2-6% of NaF, 3-8% of HF and 12-25% of CH3COOH, 10-18% NH2SO3H. 1-1.5% of K2HPO45 to 10 percent of KCL, 0.5 to 1.0 percent of KI, 0.2 to 0.8 percent of sodium dodecyl benzene sulfonate, 0.2 to 0.5 percent of polyaluminum chloride, 5 to 10 percent of sodium carboxymethyl cellulose, 3 to 8 percent of polyglucose and 20 to 38 percent of H2O。
A mobile phone glass rear shell etching manufacturing process with silk haptic effect comprises the following steps:
(1) preparing a glass etching solution with a silk and satin touch effect, uniformly stirring until the etching solution is in a uniform and consistent transparent solution state, standing and curing, and placing the etching solution in an etching solution pool;
(2) covering and protecting the surface of the original sheet of the mobile phone rear shell made of the high-alumina-silica glass material, which does not need to be etched, by using an anti-etching ink screen printing;
(3) cleaning one surface of the original sheet of the mobile phone rear shell made of high-alumina-silica glass material, which needs to be etched, and placing the surface in an etching liquid pool for soaking and swing-type etching treatment;
(4) and taking out the etched original piece of the mobile phone rear shell made of the high-alumina-silica glass material from the etching liquid medicine pool, polishing the original piece by using polishing liquid, cleaning the original piece, and finally air-drying or drying the original piece.
Further, the glass etching solution with the silk tactile effect is composed of the following raw materials in parts by mass: 8-15% NH4F. 2-6% of NaF, 3-8% of HF and 12-25% of CH3COOH, 10-18% NH2SO3H. 1-1.5% of K2HPO45 to 10 percent of KCL, 0.5 to 1.0 percent of KI, 0.2 to 0.8 percent of sodium dodecyl benzene sulfonate, 0.2 to 0.5 percent of polyaluminum chloride, 5 to 10 percent of sodium carboxymethyl cellulose, 3 to 8 percent of polyglucose and 20 to 38 percent of H2O。
Further, the standing and curing time in the step (1) is 36-48 h.
Further, the soaking swing etching time of the etching treatment in the step (3) is 5-8min, and the temperature of the etching solution is 20-25 ℃.
A glass shell is manufactured by adopting the process.
An electronic device comprises the shell.
The glass etching solution with silk feeling effect and the mobile phone glass rear shell manufacturing process thereof have the following beneficial effects:
the glass etching solution with the silk and satin touch effect is added with a plurality of etching raw materials, surfactants, acid etching buffers, viscosity regulators, organic flocculants and the like, wherein the etching raw materials such as ammonium fluoride, sodium fluoride, hydrofluoric acid and the like have the function of eroding and dissolving local glass substrates; the added surface active substances such as sodium dodecyl benzene sulfonate and the like are used for improving the wettability of the liquid medicine and ensuring uniform and consistent etching; the etching buffer such as potassium iodide is used for controlling the etching speed and relieving the defect caused by the excessively high etching speed, the viscosity regulator such as sodium carboxymethyl cellulose, polymerized glucose and the like is used for controlling the etching speed and the etching depth through viscosity regulation, and the excessively high etching speed and the excessively high etching depth are not beneficial to the generation of the silk tactile effect; the function of adding a trace amount of organic flocculant such as polyaluminium chloride and the like is to promote the etched glass sand to fall off quickly so as to avoid influencing the etching process; weak acids such as acetic acid, sulfamic acid, etc. are used as carriers for controlling the roughness not to be too large, otherwise the satin touch effect is not ideal.
Aiming at the characteristics of the mobile phone rear shell made of high alumina-silica glass, the invention adopts a weak acid solution which is adaptive to glass materials as a carrier, selects a proper raw material proportioning combination, adds a certain proportion of weak acid and a plurality of etching raw materials to form silk touch effect etching solution, controls the acid etching speed and the etching depth by the weak acid, an etching buffering agent and a viscosity regulator under the condition of adopting a soaking swing type etching process, generates a layer of orange peel-shaped convex-concave structure etching layer with the micron-sized thickness, irregular shape, uneven surface and smooth edge and surface on the glass surface, has the generated glass etching surface roughness of less than 0.5 mu m, and ensures that the etching of the whole mobile phone glass rear shell is uniform because the invention takes the erosion of a partial glass body as a main means, the microscopic attachment grains are few, the surface of the eroded glass body is smooth and fine, and meanwhile, the orange peel-shaped convex-concave structure causes light to generate diffuse reflection, so that the hazy haze effect is achieved.
The invention has simple and practical process, easy operation and low cost, and the prepared mobile phone glass rear shell silk has obvious tactile effect, is fine and smooth like silk texture, and has excellent performances of fine and smooth, reflected light resistance, scratch resistance, dust resistance, fingerprint resistance and the like.
Drawings
FIG. 1 is a scanning electron micrograph of a common frosted microcrystalline granule sample with an amplification factor of 680;
FIG. 2 is a scanning electron micrograph of a glass sample with satin haptic effect taken at 680 times magnification.
Detailed Description
Example 1
A mobile phone glass rear shell etching manufacturing process with silk effect comprises the following steps:
(1) preparing a glass etching solution with a silk fabric touch effect, uniformly stirring until the etching solution is in a uniform transparent solution state, standing and curing for 36 hours, and placing the etching solution in an etching solution pool;
the etching solution with the silk tactile effect is composed of the following raw materials in parts by mass: 12% NH4F. 5% NaF, 4.5% HF, 12.5% CH3COOH, 16% NH2SO3H. 1.2% of K2HPO46 percent of KCL, 0.8 percent of KI, 0.2 percent of sodium dodecyl benzene sulfonate, 0.3 percent of polyaluminum chloride, 7.8 percent of sodium carboxymethyl cellulose, 3.6 percent of polyglucose, 30.1 percent of H2O。
(2) And covering and protecting the surface of the original sheet of the mobile phone rear shell made of the high-alumina-silica glass material, which does not need to be etched, by using an anti-etching ink screen printing.
(3) Cleaning one surface of the original sheet of the mobile phone rear shell made of high-alumina-silica glass material, which needs to be etched, and placing the cleaned surface in an etching liquid pool to perform soaking swing type etching treatment, wherein the etching time is 8min, and the temperature of the etching liquid is 20 ℃.
(4) And taking out the etched original piece of the mobile phone rear shell made of the high-alumina-silica glass material from the etching liquid medicine pool, polishing the original piece by using polishing liquid, cleaning the original piece, and finally air-drying or drying the original piece.
Example 2
A mobile phone glass rear shell etching manufacturing process with silk haptic effect comprises the following steps:
(1) preparing a glass etching solution with a silk fabric touch effect, uniformly stirring until the etching solution is in a uniform transparent solution state, standing and curing for 48 hours, and placing the etching solution in an etching solution pool;
the glass etching solution with the silk tactile effect is composed of the following raw materials in parts by mass: 13.5% NH4F. 4.5% NaF, 5.5% HF, 11.5% CH3COOH, 15% NH2SO3H. 1.0% of K2HPO46.5 percent of KCL, 0.6 percent of KI, 0.3 percent of sodium dodecyl benzene sulfonate, 0.2 percent of polyaluminum chloride, 8.2 percent of sodium carboxymethyl cellulose, 3.0 percent of polyglucose, and 30.2 percent of H2O。
(2) And covering and protecting the surface of the original sheet of the mobile phone rear shell made of the high-alumina-silica glass material, which does not need to be etched, by using an anti-etching ink screen printing.
(3) Cleaning one surface of the original sheet of the mobile phone rear shell made of high-alumina-silica glass material, which needs to be etched, and placing the cleaned surface in an etching liquid pool to perform soaking swing type etching treatment, wherein the etching time is 5min, and the temperature of the etching liquid is 25 ℃.
(4) And taking out the etched original piece of the mobile phone rear shell made of the high-alumina-silica glass material from the etching liquid medicine pool, polishing the original piece by using polishing liquid, cleaning the original piece, and finally air-drying or drying the original piece.
Example 3
A mobile phone glass rear shell etching manufacturing process with silk haptic effect comprises the following steps:
(1) preparing a glass etching solution with a silk fabric touch effect, uniformly stirring until the etching solution is in a uniform transparent solution state, standing and curing for 42 hours, and placing the etching solution in an etching solution pool;
the glass etching solution with the silk tactile effect is composed of the following raw materials in parts by mass: 10.5% NH4F. 6.5% NaF, 5.0% HF, 12.0% CH3COOH, 18% NH2SO3H. 1.0% of K2HPO45.5 percent of KCL, 0.5 percent of KI, 0.3 percent of sodium dodecyl benzene sulfonate, 0.2 percent of polyaluminum chloride and 8.5 percent of carboxymethyl celluloseSodium ascorbate, 3.8% of polyglucose, 28.2% of H2O。
(2) And covering and protecting the surface of the original sheet of the mobile phone rear shell made of the high-alumina-silica glass material, which does not need to be etched, by using an anti-etching ink screen printing.
(3) Cleaning the surface of the original sheet of the mobile phone rear shell made of high-alumina-silica glass material, which needs to be etched, and placing the cleaned surface in an etching liquid pool to perform soaking swing type etching treatment, wherein the etching time is 6.5min, and the temperature of the etching liquid is 22.5 ℃.
(4) And taking out the etched original piece of the mobile phone rear shell made of the high-alumina-silica glass material from the etching liquid medicine pool, polishing the original piece by using polishing liquid, cleaning the original piece, and finally air-drying or drying the original piece.
Performance testing
As shown in fig. 1-2, the glass samples provided by the present invention have a satin tactile effect.
According to a unified test method in the glass industry, the properties of the original high alumina silica glass before etching and the mobile phone glass rear shell with silk touch effect prepared in examples 1-3 are measured, and the property parameters are compared in table 1 as follows:
TABLE 1 comparison of Performance parameters before and after etching of Mobile phone glass backshells with Silk haptic effects
| Performance of | Original glass before etching | Example 1 | Example 2 | Example 3 |
| Gloss (%) | 112.8 | 8.2 | 8.5 | 8.3 |
| Light transmittance (%) | 98.2 | 25.2 | 25.6 | 25.3 |
| Haze (%) | 0.02 | 76.8 | 77.5 | 76.6 |
| Roughness (μm) | 0 | 0.42 | 0.45 | 0.43 |
| Reflectance (%) | 8.8 | 3.0 | 3.2 | 3.2 |
Claims (7)
1. The etching solution with the velvet satin silky effect is characterized by comprising the following raw materials in percentage by mass: 8-15% NH4F. 2-6% of NaF, 3-8% of HF and 12-25% of CH3COOH, 10-18% NH2SO3H. 1-1.5% of K2HPO4KCL 5-10%, KCL 0.5-1.0%KI. 0.2-0.8% of sodium dodecyl benzene sulfonate, 0.2-0.5% of polyaluminum chloride, 5-10% of sodium carboxymethyl cellulose, 3-8% of polyglucose, and 20-38% of H2O。
2. A manufacturing process of a mobile phone glass rear shell with a satin silky effect is characterized by comprising the following steps:
(1) preparing the etching solution according to claim 1, uniformly stirring until the etching solution is in a uniform transparent solution state, standing for curing, and placing the etching solution in an etching solution pool;
(2) covering and protecting the surface of the original sheet of the mobile phone rear shell made of the high-alumina-silica glass material, which does not need to be etched, by using an anti-etching ink screen printing;
(3) cleaning one surface of the original sheet of the mobile phone rear shell made of high-alumina-silica glass material, which needs to be etched, and placing the surface in an etching liquid pool for soaking and swing-type etching treatment;
(4) and taking out the etched original piece of the mobile phone rear shell made of the high-alumina-silica glass material from the etching liquid medicine pool, polishing the original piece by using polishing liquid, cleaning the original piece, and finally air-drying or drying the original piece.
3. The manufacturing process according to claim 2, wherein the glass etching solution with silk tactile effect is composed of the following raw materials in parts by mass: 8-15% NH4F. 2-6% of NaF, 3-8% of HF and 12-25% of CH3COOH, 10-18% NH2SO3H. 1-1.5% of K2HPO45 to 10 percent of KCL, 0.5 to 1.0 percent of KI, 0.2 to 0.8 percent of sodium dodecyl benzene sulfonate, 0.2 to 0.5 percent of polyaluminum chloride, 5 to 10 percent of sodium carboxymethyl cellulose, 3 to 8 percent of polyglucose and 20 to 38 percent of H2O。
4. The process according to claim 2, wherein the standing and aging time in step (1) is 36-48 h.
5. The manufacturing process according to claim 2, wherein the etching time of the etching treatment in the step (3) is 5-8min, and the temperature of the etching solution is 20-25 ℃.
6. A glass housing, characterized in that it is manufactured using a process according to any one of claims 2-5.
7. An electronic device characterized by comprising the case according to claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011413523.0A CN112521020A (en) | 2020-12-04 | 2020-12-04 | Etching liquid, mobile phone rear shell manufacturing process, glass shell and electronic equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113943109A (en) * | 2021-11-12 | 2022-01-18 | Oppo广东移动通信有限公司 | Preparation method of anti-glare glass, shell and electronic equipment |
| CN115537203A (en) * | 2022-09-19 | 2022-12-30 | Oppo广东移动通信有限公司 | Etching solution, jade sand display panel, preparation method of jade sand display panel and electronic equipment |
| CN115536284A (en) * | 2021-06-30 | 2022-12-30 | 安徽金龙浩光电科技有限公司 | Preparation process of AG glass with pearl sand effect |
| CN115724592A (en) * | 2022-10-11 | 2023-03-03 | 广东山之风环保科技有限公司 | Household touch panel glass AG effect frosting liquid and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977984A (en) * | 2020-08-27 | 2020-11-24 | 郑州恒昊光学科技有限公司 | Etching solution with velvet satin silky effect and manufacturing process of mobile phone glass rear shell of etching solution |
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- 2020-12-04 CN CN202011413523.0A patent/CN112521020A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977984A (en) * | 2020-08-27 | 2020-11-24 | 郑州恒昊光学科技有限公司 | Etching solution with velvet satin silky effect and manufacturing process of mobile phone glass rear shell of etching solution |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536284A (en) * | 2021-06-30 | 2022-12-30 | 安徽金龙浩光电科技有限公司 | Preparation process of AG glass with pearl sand effect |
| CN113943109A (en) * | 2021-11-12 | 2022-01-18 | Oppo广东移动通信有限公司 | Preparation method of anti-glare glass, shell and electronic equipment |
| CN113943109B (en) * | 2021-11-12 | 2023-11-03 | Oppo广东移动通信有限公司 | Preparation method of anti-glare glass, shell and electronic equipment |
| CN115537203A (en) * | 2022-09-19 | 2022-12-30 | Oppo广东移动通信有限公司 | Etching solution, jade sand display panel, preparation method of jade sand display panel and electronic equipment |
| CN115537203B (en) * | 2022-09-19 | 2024-02-23 | Oppo广东移动通信有限公司 | Etching solution, jade sand display panel, preparation method of jade sand display panel and electronic equipment |
| CN115724592A (en) * | 2022-10-11 | 2023-03-03 | 广东山之风环保科技有限公司 | Household touch panel glass AG effect frosting liquid and preparation method thereof |
| CN115724592B (en) * | 2022-10-11 | 2024-04-12 | 广东山之风环保科技有限公司 | Glass AG effect frosting liquid for household touch panel and preparation method thereof |
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