CN111977984B - Etching solution with velvet satin silky effect and manufacturing process of mobile phone glass rear shell of etching solution - Google Patents
Etching solution with velvet satin silky effect and manufacturing process of mobile phone glass rear shell of etching solution Download PDFInfo
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- CN111977984B CN111977984B CN202010878511.9A CN202010878511A CN111977984B CN 111977984 B CN111977984 B CN 111977984B CN 202010878511 A CN202010878511 A CN 202010878511A CN 111977984 B CN111977984 B CN 111977984B
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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
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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
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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Abstract
The invention discloses an etching solution capable of enabling glass to have a satin silky effect, which comprises the following raw materials in percentage by mass: 8-12% NH 4 HF 2 3-6% of KHF 2 5-8% of HF and 15-25% of H 3 PO 4 8-12% of C 6 H 8 O 7 1-1.5% of K 2 HPO 4 5-10% of K 2 SO 4 0.8-1.5% of ZnCl 2 0.2-0.8% of sodium alkyl benzene sulfonate, 0.2-0.5% of polyacrylamide, 3-8% of polyvinyl alcohol, 3-6% of glycerin and 25-40% of H 2 And O. The manufacturing process of the mobile phone glass rear shell is provided, the mobile phone rear shell made of high-alumina-silica glass is subjected to acid etching treatment, and a layer of corrugated convex-concave etching layer with the thickness of micron order is formed on the surface of the glass, so that a touch effect with fine silk texture and smooth hand feeling is generated on the surface of the mobile phone rear shell glass, and the mobile phone glass rear shell has the excellent characteristics of fine silkiness, scratch resistance, fingerprint resistance and the like.
Description
Technical Field
The invention belongs to the technical field of etched glass, and particularly relates to etching liquid with a satin velvet smooth effect and a mobile phone glass rear shell manufacturing process thereof.
Background
Along with popularization and promotion of smart phones, diversified and differentiated decoration requirements of mobile phone models are presented, frosted decoration of a mobile phone glass rear shell is more and more favored by people, the frosted etching is performed on a glass substrate through a frosted liquid in the prior common frosted technology, so that the glass substrate can obtain a hazy appearance effect, and the appearance visual effect of the mobile phone rear shell is improved; however, the fine and smooth etching effect generated when the glass substrate is subjected to frosting etching by the conventional etching formula and etching process at present cannot achieve the satin-like tactile effect.
Disclosure of Invention
The invention aims to provide etching solution with velvet satin smooth effect and a mobile phone glass rear shell manufacturing process thereof, wherein the mobile phone rear shell made of high-alumina-silica glass is subjected to acid etching treatment, and a corrugated convex-concave etching layer with micron-sized thickness is formed on the surface of glass, so that a tactile effect with fine satin texture and soft hand feeling is generated on the surface of the mobile phone rear shell glass, and the mobile phone rear shell glass has the excellent characteristics of fine silkiness, 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: 8-12% of NH 4 HF 2 3-6% of KHF 2 5-8% of HF and 15-25% of H 3 PO 4 8-12% of C 6 H 8 O 7 1-1.5% of K 2 HPO 4 5-10% of K 2 SO 4 0.8-1.5% of ZnCl 2 0.2-0.8% of sodium alkyl benzene sulfonate, 0.2-0.5% of polyacrylamide, 3-8% of polyvinyl alcohol, 3-6% of glycerin and 25-40% of H 2 O。
Further, the material composition comprises the following raw materials in percentage by mass: 9-10% NH 4 HF 2 5-6% of KHF 2 6-7% of HF and 16-18% of H 3 PO 4 9-10% of C 6 H 8 O 7 1.2-1.5% of K 2 HPO 4 6-8% of K 2 SO 4 1.2-1.5% of ZnCl 2 0.3-0.5% of sodium alkyl benzene sulfonate, 0.3-0.5% of polyacrylamide, 3-7% of polyvinyl alcohol, 3-5.5% of glycerin and 27-36% of H 2 O。
A process for manufacturing a mobile phone glass rear shell with etching liquid with velvet satin silky effect comprises the following steps:
(1) weighing calculated amount of NH 4 HF 2 、KHF 2 、HF、H 3 PO 4 、C 6 H 8 O 7 、K 2 HPO 4 、K 2 SO 4 、ZnCl 2 Sodium alkyl benzene sulfonate, polyacrylamide, polyvinyl alcohol, glycerin and H 2 Preparing an etching solution, uniformly stirring until the etching solution is in a uniform transparent solution state, standing and curing, and placing the etching solution into 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 standing and curing time in the step (1) is 36-48 h.
Further, the etching time of the etching treatment in the step (3) is 5-8min, and the temperature of the etching solution is 20-25 ℃.
The etching solution with the velvet satin silky effect and the mobile phone glass rear shell manufacturing process have the following beneficial effects:
the etching solution with the velvet satin silky effect provided by the invention is added with various etching raw materials, surfactants, viscosity regulators, organic flocculants and the like, wherein the etching raw materials such as ammonium bifluoride, potassium bifluoride, hydrofluoric acid and the like have the function of eroding and dissolving local glass matrixes; the added surface active substances such as sodium alkyl benzene sulfonate and the like are used for improving the wettability of the liquid medicine and ensuring uniform and consistent etching; the viscosity regulator such as polyvinyl alcohol, glycerol and the like has the function of controlling the etching speed and the etching depth through viscosity regulation, and the over-high etching speed and the over-high etching depth are not beneficial to the generation of the velvet satin effect; the function of adding a trace amount of organic flocculant such as polyacrylamide and the like is to promote the etched glass sand to fall off quickly so as to avoid influencing the etching process; the purpose of using a weak acid such as citric acid, phosphoric acid, etc. as a carrier is not to control the roughness too much, otherwise the satin effect is not exhibited.
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 the glass material as a carrier, selects a proper raw material proportion combination, and forms etching liquid with velvet satin silky effect by adding a certain proportion of weak acid and a plurality of etching raw materials, and controls the acid etching speed and the etching depth by the weak acid and a viscosity regulator under the condition of adopting a soaking swing type etching process, so that a micron-sized corrugated convex-concave etching layer is generated on the glass surface, the roughness of the generated glass etching surface is less than 0.5 mu m, the corrugated convex-concave etching layers are arranged randomly at a short range and are arranged orderly at a long range, thereby ensuring that the etching of the whole mobile phone glass rear shell is uniform, because the invention takes the erosion of a local glass body as a main means, micro-attached crystal grains are few, and the surface of the eroded glass body is silky and fine, meanwhile, the corrugated convex-concave structure also causes light rays to generate diffuse reflection, so that a 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 velvet satin has obvious silky 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 effect taken at 680 times.
Detailed Description
Example 1
The etching solution with the satin silky effect consists of the following raw materials in percentage by mass: 10% NH 4 HF 2 5% KHF 2 6% HF, 16% H 3 PO 4 9% of C 6 H 8 O 7 1% of K 2 HPO 4 6% of K 2 SO 4 0.8% of ZnCl 2 0.2 percent of sodium alkyl benzene sulfonate, 0.2 percent of polyacrylamide, 7 percent of polyvinyl alcohol, 3 percent of glycerol, 36.8 percent of H 2 O。
The manufacturing process of the mobile phone glass rear shell with etching solution with velvet satin silky effect comprises the following steps:
(1) weighing calculated amount of NH 4 HF 2 、KHF 2 、HF、H 3 PO 4 、C 6 H 8 O 7 、K 2 HPO 4 、K 2 SO 4 、ZnCl 2 Sodium alkyl benzene sulfonate, polyacrylamide, polyvinyl alcohol, glycerin and H 2 And O, preparing an etching solution, 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.
(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
The etching solution with the velvet satin silky effect consists of the following raw materials in percentage by mass: 8% NH 4 HF 2 6% KHF 2 7% of HF, 16% of H 3 PO 4 10% of C 6 H 8 O 7 1.5% of K 2 HPO 4 8% of K 2 SO 4 1.5% ZnCl 2 0.2 percent of sodium alkyl benzene sulfonate, 0.5 percent of polyacrylamide, 8 percent of polyvinyl alcohol, 5.5 percent of glycerin, and 27.8 percent of H 2 O。
The manufacturing process of the mobile phone glass rear shell with etching solution with velvet satin silky effect comprises the following steps:
(1) weighing calculated amount of NH 4 HF 2 、KHF 2 、HF、H 3 PO 4 、C 6 H 8 O 7 、K 2 HPO 4 、K 2 SO 4 、ZnCl 2 Sodium alkyl benzene sulfonate, polyacrylamide, polyvinyl alcohol, glycerin and H 2 And O, preparing an etching solution, 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.
(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
The etching solution with the satin silky effect consists of the following raw materials in percentage by mass: 9% NH 4 HF 2 6% KHF 2 6.5% HF, 18% H 3 PO 4 9.5% of C 6 H 8 O 7 1.2% of K 2 HPO 4 7.5% of K 2 SO 4 1.2% ZnCl 2 0.5 percent of sodium alkyl benzene sulfonate, 0.3 percent of polyacrylamide, 7.5 percent of polyvinyl alcohol, 6 percent of glycerol, 25.8 percent of H 2 O。
The manufacturing process of the mobile phone glass rear shell with etching solution with velvet satin silky effect comprises the following steps:
(1) weighing calculated amount of NH 4 HF 2 、KHF 2 、HF、H 3 PO 4 、C 6 H 8 O 7 、K 2 HPO 4 、K 2 SO 4 、ZnCl 2 Sodium alkyl benzene sulfonate, polyacrylamide, polyvinyl alcohol, glycerin and H 2 And O, preparing an etching solution, 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.
(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 test
As shown in fig. 1-2, the glass sample provided by the present invention has a satin effect.
According to a unified test method in the glass industry, the performances of the original high alumina silica glass before etching and the mobile phone glass rear shell with satin silky effect prepared in examples 1 to 3 are measured, and the performance parameters are compared as follows in table 1:
Claims (5)
1. the etching solution with the satin silky effect is characterized by comprising the following raw materials in percentage by mass: 8-12% NH 4 HF 2 3-6% of KHF 2 5-8% of HF and 15-25% of H 3 PO 4 8-12% of citric acid and 1-1.5% of K 2 HPO 4 5-10% of K 2 SO 4 0.8-1.5% of ZnCl 2 0.2-0.8% of sodium alkyl benzene sulfonate, 0.2-0.5% of polyacrylamide, 3-8% of polyvinyl alcohol, 3-6% of glycerin and 25-40% of H 2 O。
2. The etching solution with satin effect according to claim 1 is characterized by comprising the following raw materials in percentage by mass: 9-10% NH 4 HF 2 5-6% of KHF 2 6-7% of HF and 16-18% of H 3 PO 4 9 to 10 percent of citric acid and 1.2 to 1.5 percent of K 2 HPO 4 6-8% of K 2 SO 4 1.2-1.5% of ZnCl 2 0.3-0.5% of sodium alkyl benzene sulfonate, 0.3-0.5% of polyacrylamide, 3-7% of polyvinyl alcohol, 3-5.5% of glycerin and 27-36% of H 2 O。
3. The process for manufacturing the mobile phone glass rear shell by using the etching solution with the velvet satin silky effect as claimed in claim 1 is characterized by comprising the following steps:
(1) weighing calculated amount of NH 4 HF 2 、KHF 2 、HF、H 3 PO 4 Citric acid、K 2 HPO 4 、K 2 SO 4 、ZnCl 2 Sodium alkyl benzene sulfonate, polyacrylamide, polyvinyl alcohol, glycerin and H 2 Preparing an etching solution, uniformly stirring until the etching solution is in a uniform transparent solution state, standing and curing, and placing the etching solution into 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.
4. The process for manufacturing the glass back shell of the mobile phone according to claim 3, wherein the standing and curing time in the step (1) is 36-48 h.
5. The process for manufacturing the glass rear shell of the mobile phone according to claim 3, 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 ℃.
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