CN107473605B - Manufacturing method and application of honeycomb blind hole toughened glass - Google Patents
Manufacturing method and application of honeycomb blind hole toughened glass Download PDFInfo
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- CN107473605B CN107473605B CN201710740144.4A CN201710740144A CN107473605B CN 107473605 B CN107473605 B CN 107473605B CN 201710740144 A CN201710740144 A CN 201710740144A CN 107473605 B CN107473605 B CN 107473605B
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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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
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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
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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Abstract
The invention discloses a manufacturing method of honeycomb blind hole toughened glass and application thereof, the manufacturing method is to finely carve a plurality of regular polygon blind holes on the surface of glass and then solidify organic high polymer materials in the blind holes, the blind holes can locally thin the glass periodically and improve the fracture toughness of the glass, thereby improving the anti-falling performance, the communicated non-thinned net structures on the glass are connected with each other to provide the strength of the backboard, so that the backboard is not reduced and softened due to the thinner strength of the glass, the organic high polymer materials are solidified and filled in the regular polygon blind holes to absorb the impact energy of falling, and the fracture toughness of the glass is improved in steps.
Description
Technical Field
The invention relates to the field of structural member preparation, in particular to the field of consumer electronic backboard structural member preparation, and particularly relates to a manufacturing method and application of honeycomb blind hole toughened glass.
Background
The traditional metal brings huge challenges to the antenna design due to the shielding effect, and cannot be used for manufacturing 5G shells (back plates), while the application of the plastic in large-size screens and ultrathin fields is limited due to the inherent low strength and wearability of the plastic, and in addition, the traditional metal shell of and the shell (back plate) made of the plastic are difficult to activate consumers along with the improvement of the consumer aesthetics.
Patent No. 201610904152.3 reports a method for manufacturing curved glass for electronic products such as smart phones and bracelets. The method comprises the steps of carving and milling planar glass into a preset size, then putting the glass into a die, softening the glass at a high temperature, and then hot-bending the glass into a required shape to obtain the curved glass back plate. The scheme can effectively finish the processing and preparation of the curved glass, but the toughness of the glass is poor, the stress concentration of the curved glass is caused by a hot bending process, and the scheme has no other part for absorbing impact energy, so that the energy is completely absorbed by the curved glass in the falling process and the curved glass is easy to break.
Report 2.5D glass processing technology, cell-phone glass screen structure and cell-phone in the patent that application number is 201510651305.3, this scheme is in order to solve the not good problem of 2.5D glass cell-phone backplate dropping performance, has moulded plastics the plastic frame at glass backplate edge and has improved the anti dropping performance of 2.5D glass backplate. However, only a small amount of plastic frames on the edge of the glass frame absorb falling energy, the falling resistance performance is improved to a limited extent, the falling resistance of the glass is not improved, and meanwhile, the plastic frames on the edge are easy to fall off from the glass and influence the appearance.
Disclosure of Invention
In view of the defects in the prior art, the invention mainly aims to provide a manufacturing method and application of kinds of honeycomb blind hole toughened glass, wherein a plurality of regular polygon blind holes are formed in the inner surface of the honeycomb blind hole toughened glass prepared by the method, the mobile phone glass back plate can be periodically thinned by the blind holes, the falling resistance of the back plate is improved without reducing the strength and hardness of the mobile phone glass back plate, and meanwhile, the organic polymer material filled in the blind holes absorbs the falling impact energy and can further improve the falling resistance.
In order to achieve the purpose, the invention adopts the following technical scheme that the manufacturing method of honeycomb blind hole toughened glass comprises the following steps:
a) carving more than regular polygon blind holes on the th plane of the glass;
b) treating the inner surface of a regular polygon blind hole of the th plane of the glass by using a silane coupling agent;
c) injecting organic polymer materials into the regular polygon blind holes treated in the step b), and then heating and curing.
Preferably, the engraving machine is used for engraving the positive and variable deformed blind holes, the hole depth of the positive and variable deformed blind holes is 0.1-0.9 mm, the side length of a regular polygon of the regular polygon blind holes is 0.5-10 mm, and the wall thickness of two adjacent regular polygon blind holes is 0.5-10 mm.
Preferably, the depth of the positive polygonal blind holes engraved by the laser engraving machine is 0.1-0.3 mm, the side length of a regular polygon of the positive polygonal blind holes is 1-5 mm, and the wall thickness of two adjacent positive polygonal blind holes is 1-5 mm.
Preferably, the method further comprises the following steps:
e) carving more than regular polygon blind holes on a second plane of the glass;
f) treating the inner surface of the regular polygon blind hole of the second plane by using a silane coupling agent;
g) and injecting an organic polymer material into the processed second plane regular polygon blind hole, and then heating and curing.
h) Machining the surface of the glass treated in step g).
Preferably, the regular polygon blind holes are kinds of equilateral triangle blind holes, square blind holes, regular pentagon blind holes, regular hexagon blind holes and round blind holes.
Preferably, the organic polymer material is kinds of epoxy resin or liquid silica gel, the curing temperature is 60-150 ℃, and the curing time is 5-120 min.
Preferably, the silane coupling agent is gamma-aminopropyltriethoxysilane (KH550), gamma-glycidoxypropyltrimethoxysilane (KH560) and gamma- (methacryloyloxy) propyltrimethoxysilane (KH570) or a mixture of two.
Preferably, the organic polymer injection process is a printing or dip coating process.
toughened glass mobile phone shells are prepared by the preparation method of the technical scheme after glass is hot-bent into a curved mobile phone glass shell blank.
Preferably, the hot bending temperature of the glass hot bending forming is 500-800 ℃, and the hot bending time is 3 s-15 min.
The invention discloses a manufacturing method of honeycomb blind hole toughened glass and application thereof, the manufacturing method comprises the steps of carving a plurality of regular polygon blind holes on the surface of glass, and then curing organic polymer materials in the blind holes, wherein the blind holes can periodically and locally thin the glass, and the fracture toughness of the glass is improved, so that the anti-falling performance is improved, the communicated non-thinned net structures on the glass are connected with each other to provide the strength of the backboard, so that the glass is not reduced and softened due to thinner strength, the organic polymer materials are cured and filled in the regular polygon blind holes, so that the impact energy of falling is absorbed, and the fracture toughness of the glass is improved in steps.
Drawings
FIG. 1 is a schematic diagram of the preparation steps of a glass organic glue composite curved glass casing.
Fig. 2 is a schematic view of a honeycomb-shaped regular hexagonal blind hole cured silica gel toughened glass mobile phone shell.
Fig. 3 is a schematic view of a cellular round blind hole cured silica gel toughened glass mobile phone case.
Detailed Description
The invention is described in further detail at , wherein the materials and equipment are commercially available and are not specifically claimed.
method for manufacturing honeycomb blind hole toughened glass, which comprises the following steps:
a) in the embodiment, the method can be preferably used for engraving regular polygon blind holes by using an engraving and milling machine or grating laser engraving machine, the hole depth of the regular polygon blind holes engraved by using the engraving and milling machine is 0.1-0.9 mm, the side length of a regular polygon of the regular polygon blind holes is 0.5-10 mm, the wall thickness of two adjacent regular polygon blind holes is 0.5-10 mm, the hole depth of the regular polygon blind holes engraved by using a fiber laser engraving machine is 0.1-0.3 mm, the side length of a regular polygon of the regular polygon blind holes is 1-5 mm, and the wall thickness of two adjacent regular polygon blind holes is 1-5 mm.
b) The inner surface of the regular polygonal blind hole of the th plane of the glass is treated with a silane coupling agent, in this case, the glass is immersed in a silane coupling agent solution to complete the treatment, and in this example, the silane coupling agent is one or a mixture of gamma-aminopropyltriethoxysilane (KH550), gamma-glycidoxypropyltrimethoxysilane (KH560), and gamma- (methacryloyloxy) propyltrimethoxysilane (KH570) .
c) In the embodiment, kinds of organic polymer materials are preferably selected from epoxy resin or liquid silica gel, in the embodiment, organic polymer is preferably injected into the blind holes by using a printing or dip coating process, then the curing temperature is preferably 60-150 ℃ according to the injected organic polymer, and the curing time is 5-120 min.
In the embodiment, in order to improve the toughness of the glass in step , a plurality of regular polygon blind holes are carved on the other plane of the glass, a carving machine can be used for carving the regular polygon blind holes or a fiber laser carving machine can be used for carving, the size of the blind holes can be the same as or different from that of the blind holes on the th plane, silane coupling agents are used again for treating the inner surface of the regular polygon blind holes on the second plane, the surface energy is reduced, organic polymers can be combined with the organic polymers better, and then the organic polymers are injected into the regular polygon blind holes on the second plane and then are heated and cured.
In this embodiment, the th plane and the second plane regular polygon blind hole may be equilateral triangle blind hole, square blind hole, regular pentagon blind hole, regular hexagon blind hole and round blind hole respectively, and the shapes and positions of the two planes blind holes may be the same or different, and the preferred shapes and positions are different.
And finally, in order to improve the surface finish of the glass, reduce burrs and meet the required size requirement, the edges and corners of the glass are cut by CNC (computerized numerical control) engraving equipment, and then the glass is polished to the required surface finish requirement by polishing equipment.
In addition, in aspects, the preparation method of the toughened glass mobile phone shells comprises the steps of cutting glass into required sizes by using grating laser equipment, then placing the glass into a graphite hot bending die, stacking the glass, placing the glass into a hot bending machine, hot bending the glass into a curved mobile phone glass shell blank, and then gradually preparing the glass mobile phone shell blank according to the preparation method recorded in the technical scheme, wherein the preferred glass hot bending forming temperature in the embodiment is 500-800 ℃, and the hot bending time is 3 s-15 min.
The following are specific embodiments of the present invention:
example 1
Cutting plate glass with the thickness of 1mm into small-size glass with the size of 2.15 inches by using an optical fiber laser cutting machine, then putting the glass into a 2.5D graphite hot bending die, adding the glass into the die at the speed of 10 ℃/min to 800 ℃ in a hot bending machine, then preserving heat for 15min, and cooling to obtain a 2.5D curved glass watchcase back plate blank.
The inner surface of the curved surface glass watchcase blank is carved with an equilateral triangle blind hole by using a glass carving machine, wherein the side length of the equilateral triangle blind hole is 0.5mm, the distance between the equilateral triangle and the equilateral triangle is 10mm, and the carving depth is 0.9 mm.
Weighing 50g of gamma-aminopropyltriethoxysilane, adding the gamma-aminopropyltriethoxysilane into a mixed solution of 2kg of deionized water and 2kg of ethanol, then placing a curved glass mobile phone back plate blank into the mixed solution, soaking the blank for 2 hours, drying the blank for h, then coating liquid epoxy resin into a blind hole by adopting a stainless steel screen plate with the same size, curing the blind hole for 120 minutes at 60 ℃, cutting the edge and corner of the blind hole by using CNC (computerized numerical control) engraving equipment, and polishing the glass by using a polishing machine to the required surface smoothness to obtain the curved glass watch case back plate.
In order to test the mechanical property of the curved glass watchcase back plate. Selecting the same plate glass with the thickness of 1mm, testing the sample requirement of bending strength according to three-point bending and the size requirement of a fracture toughness sample according to a single-side notch cantilever beam method, carving an equilateral triangle on the glass according to the process, pouring glue, curing and testing. The test result shows that the bending strength of the complex is 559MPa, and the fracture toughness is 6.3MPa1/2The bending strength of the 1mm thick plate glass is 565MPa, and the fracture toughness is 3.7MPa1/2。
Example 2
Cutting plate glass with the thickness of 0.3mm into small pieces of glass with the size of 5.15 inches by using an optical fiber laser cutting machine, then putting the small pieces of glass into a 3D graphite hot bending die, adding the small pieces of glass into the hot bending die at the speed of 10 ℃/min to 800 ℃ in a hot bending machine, and then carrying out heat preservation for 3s and cooling to obtain a 3D curved surface glass mobile phone backboard blank.
And (3) engraving square blind holes on the inner surface of the curved mobile phone back plate blank by using a glass engraving machine, wherein the side length of the engraved square is 10mm, the distance between each square blind hole and each square blind hole is 0.5mm, and the engraving depth is 0.1 mm.
Weighing 25g of gamma-glycidyl ether oxypropyltrimethoxysilane, weighing 25g of gamma- (methacryloyloxy) propyltrimethoxysilane, adding the gamma-glycidyl ether oxypropyltrimethoxysilane and the glycidyloxy) propyltrimethoxysilane into 2kg of a mixed solution of deionized water and 2kg of ethanol, uniformly stirring, soaking a curved glass mobile phone back plate blank in the mixed solution for 2h, drying, soaking liquid silica gel to fill square blind holes, scraping off the surface liquid silica gel, placing the square blind holes into a constant-temperature oven, curing for 5min at 180 ℃, cutting corners of the curved glass mobile phone back plate by CNC (computerized numerical control) engraving equipment, and polishing glass by a polishing machine to the required surface smoothness to obtain the curved glass mobile phone back plate.
In order to test the mechanical property of the curved glass mobile phone backboard. Selecting the same 0.3mm thick plate glass, testing the sample requirement of bending strength according to three-point bending and the size requirement of a fracture toughness sample according to a single-side cut cantilever beam method, carving square blind holes with the same size on the glass according to the process, pouring glue, curing and testing. The test result shows that the bending strength of the complex is 522MPa, and the fracture toughness is 5.8MPa1/2The bending strength of the plate glass is 519MPa, and the fracture toughness is 3.4MPa1/2。
Example 3
Cutting plate glass with the thickness of 0.6mm into small glass pieces with the size of 6 inches by using an optical fiber laser cutting machine, then putting the small glass pieces into a 2.5D graphite hot bending die, adding the small glass pieces into the hot bending die at the speed of 10 ℃/min to 800 ℃ in a hot bending machine, then preserving heat for 5min, and cooling to obtain a 2.5D curved glass mobile phone back plate blank.
And engraving square blind holes on the inner surface of the curved glass mobile phone back plate blank by using a grating laser engraving machine, wherein the side length of the engraved square is 5mm, the distance between the square blind holes is 5mm, and the engraving depth is 0.3 mm.
In order to increase steps, a glass engraving machine is used for engraving an equilateral triangle on the outer surface of the curved glass mobile phone backboard blank, wherein the side length of the engraved equilateral triangle is 5mm, the distance between a triangular blind hole and the triangular blind hole is 7mm, and the engraving depth is 0.1 mm.
Weighing β - (3, 4-epoxycyclohexylethyl) trimethoxy silane 50g, adding into a mixed solution of deionized water 2kg and ethanol 2kg, then putting a curved glass mobile phone backboard blank into the mixed solution, soaking for 2h, drying, then coating liquid silica gel on blind holes on the inner surface by using a stainless steel screen with the same size as the square blind holes, curing for 10min at 180 ℃, then coating liquid epoxy resin on the blind holes by using a screen with the same size as the equilateral triangle blind holes, curing for 100min at 70 ℃, cutting corners by using CNC engraving equipment, and polishing glass by using a polishing machine to the required surface smoothness to obtain the curved glass mobile phone backboard.
In order to test the mechanical property of the curved glass mobile phone backboard. Selecting the plate glass with the same thickness of 0.6mm, testing the sample requirement of bending strength according to three-point bending and the size requirement of a fracture toughness sample according to a single-side notch cantilever beam method, and carrying out double-side glue pouring curing and testing after double-side carving on the glass according to the process. The test result shows that the bending strength of the composite is 430MPa, and the fracture toughness is 7.5MPa1/2The bending strength of the plate glass is 582MPa, and the fracture toughness is 3.9MPa1/2。
Example 4
Cutting plate glass with the thickness of 0.5mm into small pieces of glass with the size of 5.2 inches by using an optical fiber laser cutting machine, then putting the small pieces of glass into a 3D graphite hot bending die, adding the small pieces of glass into the hot bending die at the speed of 10 ℃/min to 800 ℃ in a hot bending machine, and then carrying out heat preservation for 4min and cooling to obtain a 3D curved surface glass mobile phone backboard blank.
The inner surface of the curved surface glass mobile phone back plate blank is carved with a regular pentagon blind hole by using a grating laser carving machine, wherein the side length of the carved regular pentagon is 1mm, the distance between the regular pentagon and the regular pentagon is 1mm, and the carving depth is 0.1 mm.
Weighing β - (3, 4-epoxy cyclohexyl ethyl) trimethoxy silane 50g, adding into a mixed solution of 2kg of deionized water and 2kg of ethanol, then putting a curved glass mobile phone backboard blank into the mixed solution, soaking for 2h, drying, then soaking, filling liquid silica gel into a blind hole, curing for 20min at 170 ℃, cutting the edge and corner of the blind hole by CNC engraving and milling equipment, and polishing glass by a polishing and milling machine to the required surface smoothness to obtain the curved glass mobile phone backboard.
In order to test the mechanical property of the curved glass mobile phone backboard. Selecting the plate glass with the same thickness of 0.6mm, testing the sample requirement of bending strength according to three-point bending and the size requirement of a fracture toughness sample according to a single-side cut cantilever beam method, and carrying out glue pouring, curing and testing after carving on the glass according to the process. The test result shows that the bending strength of the composite is 567MPa, and the fracture toughness is 6.7MPa1/2The bending strength of the plate glass is 574MPa, and the fracture toughness is 3.9MPa1/2。
Example 5
Cutting plate glass with the thickness of 0.4mm into small pieces of glass with the size of 5 inches by using an optical fiber laser cutting machine, then putting the small pieces of glass into a 3D graphite hot bending die, adding the small pieces of glass into the hot bending die at the speed of 10 ℃/min to 500 ℃ in a hot bending machine, and then preserving heat for 8min and cooling to obtain a 3D curved glass mobile phone backboard blank.
The regular hexagon blind holes are carved on the inner surface of the curved surface glass mobile phone back plate blank by using a grating laser carving machine, wherein the side length of the carved regular hexagon is 5mm, the distance between the regular hexagon blind holes and the regular hexagon blind holes is 1mm, and the carving depth is 0.2 mm.
Weighing 50g of gamma- (methacryloyloxy) propyl trimethoxy silane, adding the gamma- (methacryloyloxy) propyl trimethoxy silane into a mixed solution of 2kg of deionized water and 2kg of ethanol, then putting a curved glass mobile phone back plate blank into the mixed solution for soaking for 2h, then soaking and filling liquid epoxy resin into the hexagonal blind holes, scraping off the liquid epoxy resin on the surface, curing the liquid epoxy resin at 70 ℃ for 25min, cutting the corners of the curved glass mobile phone back plate by using CNC engraving equipment, and polishing the glass to the required surface smoothness by using a polishing machine to obtain the curved glass mobile phone back plate, wherein the drawing of fig. 2 shows.
In order to test the mechanical property of the curved glass mobile phone backboard. Selecting the same 0.4mm thick plate glass, and measuring the bending strength according to the sample requirement of three-point bending measurement and the unilateral notch cantilever beam methodAnd (3) testing the size requirement of the fracture toughness sample, carving a regular hexagon on the glass according to the process, pouring glue, curing and testing. The test result shows that the bending strength of the composite is 533MPa, and the fracture toughness is 6.0MPa1/2The bending strength of the plate glass is 541MPa, and the fracture toughness is 3.1MPa1/2。
Example 6
Cutting plate glass with the thickness of 0.5mm into small pieces of glass with the small size of 4.7 inches by using an optical fiber laser cutting machine, adding the small pieces of glass into a graphite hot bending die in a hot bending machine at the speed of 10 ℃/min to 800 ℃, preserving heat for 1min, and cooling to obtain a 2.5D curved glass mobile phone backboard blank.
The inner surface of the curved glass watchcase blank is carved with a circular blind hole by using a glass carving machine, wherein the diameter of the carved circular blind hole is 5mm, the distance between the circular blind hole and the circular blind hole is 2mm, and the carving depth is 0.3 mm.
Weighing 50g of gamma-glycidyl ether oxypropyl trimethoxysilane, adding the gamma-glycidyl ether oxypropyl trimethoxysilane into a mixed solution of 2kg of deionized water and 2kg of ethanol, uniformly stirring, then putting a curved glass mobile phone back plate blank into the mixed solution for soaking for 2h, then coating liquid silica gel into blind holes by adopting a screen printing plate with the same size, curing for 15min at 180 ℃, then cutting corners of the blind holes by using laser and CNC equipment, and polishing glass to the required surface smoothness by using a polishing machine to obtain the curved glass mobile phone back plate, wherein the surface smoothness is shown in figure 3.
In order to test the mechanical property of the curved glass mobile phone backboard. Selecting the same plate glass with the thickness of 0.5mm, testing the sample requirement of bending strength by three-point bending and the size requirement of a fracture toughness sample by a single-side notch cantilever beam method, and carrying out photoetching, corrosion, glue pouring, curing and testing. The test result shows that the bending strength of the complex is 591MPa, and the fracture toughness is 6.8MPa1 /2The bending strength of the plate glass is 598MPa, and the fracture toughness is 3.9MPa1/2。
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1, methods for manufacturing cellular blind hole toughened glass, characterized by comprising the following steps:
a) carving more than periodic regular polygon blind holes or circular blind holes on the th plane of the glass, wherein the regular polygon blind holes or the circular blind holes periodically thin the glass;
b) treating the inner surface of a regular polygon blind hole or a round blind hole of the th plane of the glass by using a silane coupling agent;
c) injecting organic polymer materials into the regular polygon blind holes or the round blind holes treated in the step b), and then heating and curing.
2. The method for manufacturing the honeycomb blind hole toughened glass according to claim 1, wherein: step a) engraving regular polygon blind holes or circular blind holes by using an engraving and milling machine, wherein the hole depth of the regular polygon blind holes is 0.1-0.9 mm, the side length of a regular polygon of the regular polygon blind holes is 0.5-10 mm, the wall thickness of two adjacent regular polygon blind holes is 0.5-10 mm, the diameter of the circular blind holes is 5mm, the wall thickness of two adjacent circular blind holes is 2mm, and the hole depth of the circular blind holes is 0.3 mm.
3. The manufacturing method of the honeycomb blind hole toughened glass according to claim 1, wherein the step a) uses a laser engraving machine to engrave regular polygon blind holes, the hole depth of the regular polygon blind holes is 0.1mm to 0.3mm, the side length of the regular polygon blind holes is 1mm to 5mm, and the wall thickness of two adjacent regular polygon blind holes is 1mm to 5 mm.
4. The method for manufacturing the honeycomb blind hole toughened glass according to claim 2 or 3, wherein: further comprising the steps of:
e) carving more than regular polygon blind holes or round blind holes on a second plane of the glass;
f) treating the inner surface of the regular polygon blind hole or the circular blind hole of the second plane by using a silane coupling agent;
g) injecting organic polymer materials into the processed second plane regular polygon blind holes or the processed circular blind holes, and then heating and curing;
h) machining the surface of the glass treated in the step g).
5. The method for manufacturing the honeycomb blind hole toughened glass according to claim 4, wherein the regular polygon blind holes are kinds of the equilateral triangle blind holes, the square blind holes, the regular pentagon blind holes and the regular hexagon blind holes.
6. The method for manufacturing the honeycomb blind hole toughened glass according to claim 5, wherein the organic polymer material is kinds of epoxy resin or liquid silica gel, the curing temperature is 60-180 ℃, and the curing time is 5-120 min.
7. The method for manufacturing the honeycomb blind hole toughened glass according to claim 6, wherein the silane coupling agent is or a mixture of gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane and gamma- (methacryloyloxy) propyltrimethoxysilane.
8. The method for manufacturing the honeycomb blind hole toughened glass according to claim 7, wherein: the organic polymer injection process is a printing or dip coating process.
9, toughened glass mobile phone case, which is characterized in that the glass is cut into small pieces of glass, the small pieces of glass are hot-bent into mobile phone glass case blanks, and then the mobile phone glass case blanks are prepared according to the preparation method of any claim of claims 1-8.
10. The toughened glass phone case of claim 9, wherein: the temperature of glass hot bending molding is 500-800 ℃, and the hot bending time is 3 s-15 min.
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