CN107098696A - New material mobile phone shell on the back - Google Patents
New material mobile phone shell on the back Download PDFInfo
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- CN107098696A CN107098696A CN201710269662.2A CN201710269662A CN107098696A CN 107098696 A CN107098696 A CN 107098696A CN 201710269662 A CN201710269662 A CN 201710269662A CN 107098696 A CN107098696 A CN 107098696A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
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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
- H04M1/185—Improving the rigidity of the casing or resistance to shocks
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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Abstract
The invention discloses new material mobile phone shell on the back, comprise the following steps：S1：The corresponding nitrate of Fe Co Al Zn is proportionally weighed, and the corresponding nitrate of load weighted Fe Co Al Zn is dissolved in distilled water, 200ml solution, S2 is prepared：200ml solution described in S1 is poured into 500ml balloon flasks, urea, S3 is then added into balloon flask again：Balloon flask described in S2 is placed in magnetic stirring apparatus finish application bath and is heated to 95 DEG C, the stir speed (S.S.) of magnetic stirring apparatus sets 550 to arrive 650r/min, the solution of balloon flask arrives 25h in magnetic stirring apparatus finish application bath heating 23, and the solution and then standing 11 of balloon flask arrive 13h, S4：Supernatant in balloon flask described in S3 is added drop-wise in 0.1mol/L sodium hydroxide solutions.Of the invention to be contrasted with common cell phone back shell phase, the mobile phone shell on the back that the black zirconia is made has enough density and intensity, and then mobile phone shell on the back has stronger flexing resistance, and the blackness of mobile phone shell on the back is higher so that mobile phone shell on the back is more attractive in appearance.
Description
Technical field
The present invention relates to cell phone back shell technology field, more particularly to new material mobile phone shell on the back.
Background technology
With the application of 3G, 4G mobile network's technology, and mobile phone application software is developed rapidly, and smart mobile phone is almost complete
Conventional mobile phone instead of entirely, and update speed is very fast.Except processor, memory, screen, the shell on the back of smart mobile phone
It is also the important means that businessman contends for markets, mobile phone shell on the back is usually to have zirconia material to be processed into, existing oxidation
The density and intensity of mobile phone shell on the back made by zirconia material are smaller so that bending-resistant type is poor, and blackness is not also high.
The content of the invention
The technical problem existed based on background technology, the present invention proposes new material mobile phone shell on the back.
New material mobile phone shell on the back proposed by the present invention, comprises the following steps：
S1：Nitrate corresponding Fe-Co-Al-Zn is proportionally weighed, and load weighted Fe-Co-Al-Zn is relative
The nitrate answered is dissolved in distilled water, prepares 200ml solution；
S2：200ml solution described in S1 is poured into 500ml balloon flasks, urea is then added into balloon flask again；
S3：Balloon flask described in S2 is placed in magnetic stirring apparatus finish application bath and is heated to 95 DEG C, the stir speed (S.S.) of magnetic stirring apparatus
550 are set to arrive 650r/min, the solution of balloon flask arrives 25h, the solution of balloon flask in magnetic stirring apparatus finish application bath heating 23
Then 11 are stood and arrives 13h；
S4：Supernatant in balloon flask described in S3 is added drop-wise in 0.1mol/L sodium hydroxide solutions, hydroxide is observed
Whether sodium solution has precipitation to generate, now can be by the solution in balloon flask if sodium hydroxide solution does not precipitate generation
Filtered；
S5：The precipitation filtered out in S4 is placed in vacuum drying chamber, the internally dry temperature setting of vacuum drying chamber arrives for 90
100 DEG C, and drying time be set to 11 arrive 13h；
S6：Precipitation after vacuum drying chamber drying process described in S5 is ground, then again by the precipitation after milled processed
Pre-burning in Muffle furnace is placed in, calcining system is the sintering for carrying out different temperatures with 4 to 6 DEG C/min heating rate from room temperature, is protected
Temperature 0.5 arrives 1.5h, and what is obtained is black toner；
S7：Black toner described in S6 is doped in zirconia powder, the batch mixing of the black toner and zirconia powder utilizes rolling
Cartridge type batch mixer carries out batch mixing, and the working time of drum mixer is set to 23 and arrives 25h；
S8：Material obtained by drum mixer is filtered, the material after filtering is placed in vacuum drying chamber, very
The drying time of empty drying box is set to 11 and arrives 13h, and the drying temperature of the drying of vacuum drying chamber is set to 90 to 100 DEG C；
S9：Powder after the processing of vacuum drying chamber described in S8 is suppressed on axial type dry powder forcing press, axial type dry powder pressure
The pressure of power machine is set to 9.5 and arrives 11.5MPa, and the dwell time of axial type dry powder forcing press is set to 2 and arrives 4min, then by axle
Thin slice obtained by formula dry powder forcing press, which is placed in cold isostatic press, makees isostatic cool pressing processing, and the pressure 145 of cold isostatic press is arrived
155MPa, the dwell time 4 of cold isostatic press arrives 6min；
S10：Thin slice obtained by cold isostatic press described in S9 is sintered according to set temperature, set temperature setting is
1400 to 1475 DEG C, you can obtain black zirconia.
Preferably, in the S1, nitrate corresponding Fe-Co-Al-Zn is followed successively by Fe（NO3）3、Co（NO3）3、Al
（NO3）3And Zn（NO3）3, and nitrate corresponding Fe-Co-Al-Zn distinguishes electronic scale and weighed.
Preferably, in the S1, nitrate mixed proportion corresponding Fe-Co-Al-Zn is set to 1.40:0.68:
0.60:0.30。
Preferably, in the S1, the Co2+ concentration in 200ml/L solution arrives 0.4mol/L for 0.2.
Preferably, in the S2, the magnetic stirring apparatus finish application bath heat time it is preferably provided as 24h, and balloon flask is molten
The time of repose of liquid it is preferably provided as 12h.
Preferably, in the S4, the solution in balloon flask is filtered using corresponding filter screen.
Beneficial effects of the present invention：
1st, by adjusting the addition content of the corresponding nitrate of Fe-Co-Al-Zn, and nitrate corresponding Fe-Co-Al-Zn
Mixed proportion be set to 1.40:0.68:0.60:0.30 so that the mobile phone shell on the back made by novel zirconia has enough
Density, intensity and blackness；
2nd, the black toner produced by nitrate corresponding Fe-Co-Al-Zn and urea reaction, and black toner with it is corresponding
Zirconia powder sequentially pass through the compacting of axial type dry powder forcing press, make isostatic cool pressing processing in cold isostatic press, finally according to both
Fixed temperature is sintered resulting new black zirconia, had as the mobile phone shell on the back made by novel oxidized zirconia material compared with
Strong flexing resistance；
Of the invention to be contrasted with common cell phone back shell phase, the mobile phone shell on the back that the black zirconia is made has enough density and strong
Degree, and then mobile phone shell on the back has stronger flexing resistance, and the blackness of mobile phone shell on the back is higher so that mobile phone shell on the back is more attractive in appearance.
Brief description of the drawings
Fig. 1 is the workflow diagram of new material mobile phone shell on the back proposed by the present invention.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
With reference to Fig. 1, new material mobile phone shell on the back is proposed in the present embodiment, is comprised the following steps：
S1：Nitrate corresponding Fe-Co-Al-Zn is proportionally weighed, corresponding Fe-Co-Al-Zn nitrate
Mixed proportion is set to 1.40:0.68:0.60:0.30, and the corresponding nitrate of load weighted Fe-Co-Al-Zn is dissolved in steaming
In distilled water, 200ml solution is prepared, now the Co2+ concentration in 200ml/L solution is 0.2mol/L；
S2：200ml solution described in S1 is poured into 500ml balloon flasks, urea is then added into balloon flask again；
S3：Balloon flask described in S2 is placed in magnetic stirring apparatus finish application bath and is heated to 95 DEG C, the stir speed (S.S.) of magnetic stirring apparatus
550r/min is set, and the solution of balloon flask heats 23h, the solution and then standing of balloon flask in magnetic stirring apparatus finish application bath
11h；
S4：Supernatant in balloon flask described in S3 is added drop-wise in 0.1mol/L sodium hydroxide solutions, hydroxide is observed
Whether sodium solution has precipitation to generate, now can be by the solution in balloon flask if sodium hydroxide solution does not precipitate generation
Filtered；
S5：The precipitation filtered out in S4 is placed in vacuum drying chamber, the internally dry temperature setting of vacuum drying chamber is 90 DEG C,
And drying time is set to 11h；
S6：Precipitation after vacuum drying chamber drying process described in S5 is ground, then again by the precipitation after milled processed
Pre-burning in Muffle furnace is placed in, calcining system is the sintering for carrying out different temperatures with 4 DEG C/min heating rate from room temperature, insulation
0.5h, what is obtained is black toner；
S7：Black toner described in S6 is doped in zirconia powder, the batch mixing of the black toner and zirconia powder utilizes rolling
Cartridge type batch mixer carries out batch mixing, and the working time of drum mixer is set to 23h；
S8：Material obtained by drum mixer is filtered, the material after filtering is placed in vacuum drying chamber, very
The drying time of empty drying box is set to 11h, and the drying temperature of the drying of vacuum drying chamber is set to 90 DEG C；
S9：Powder after the processing of vacuum drying chamber described in S8 is suppressed on axial type dry powder forcing press, axial type dry powder pressure
The pressure of power machine is set to 10.5MPa, and the dwell time of axial type dry powder forcing press is set to 2min, then by axial type dry powder
Thin slice obtained by forcing press, which is placed in cold isostatic press, makees isostatic cool pressing processing, the pressure 145MPa of cold isostatic press, cold etc. quiet
The dwell time 4min of press；
S10：Thin slice obtained by cold isostatic press described in S9 is sintered according to set temperature, set temperature setting is
1400 DEG C, you can obtain black zirconia.
Embodiment two
With reference to Fig. 1, new material mobile phone shell on the back is proposed in the present embodiment, is comprised the following steps：
S1：Nitrate corresponding Fe-Co-Al-Zn is proportionally weighed, corresponding Fe-Co-Al-Zn nitrate
Mixed proportion is set to 1.40:0.68:0.60:0.30, and the corresponding nitrate of load weighted Fe-Co-Al-Zn is dissolved in steaming
In distilled water, 200ml solution is prepared, now the Co2+ concentration in 200ml/L solution is 0.3mol/L；
S2：200ml solution described in S1 is poured into 500ml balloon flasks, urea is then added into balloon flask again；
S3：Balloon flask described in S2 is placed in magnetic stirring apparatus finish application bath and is heated to 95 DEG C, the stir speed (S.S.) of magnetic stirring apparatus
600r/min is set, and the solution of balloon flask heats 24h, the solution and then standing of balloon flask in magnetic stirring apparatus finish application bath
12h；
S4：Supernatant in balloon flask described in S3 is added drop-wise in 0.1mol/L sodium hydroxide solutions, hydroxide is observed
Whether sodium solution has precipitation to generate, now can be by the solution in balloon flask if sodium hydroxide solution does not precipitate generation
Filtered；
S5：The precipitation filtered out in S4 is placed in vacuum drying chamber, the internally dry temperature setting of vacuum drying chamber is 95 DEG C,
And drying time is set to 12h；
S6：Precipitation after vacuum drying chamber drying process described in S5 is ground, then again by the precipitation after milled processed
Pre-burning in Muffle furnace is placed in, calcining system is the sintering for carrying out different temperatures with 5 DEG C/min heating rate from room temperature, insulation
1h, what is obtained is black toner；
S7：Black toner described in S6 is doped in zirconia powder, the batch mixing of the black toner and zirconia powder utilizes rolling
Cartridge type batch mixer carries out batch mixing, and the working time of drum mixer is set to 24h；
S8：Material obtained by drum mixer is filtered, the material after filtering is placed in vacuum drying chamber, very
The drying time of empty drying box is set to 12h, and the drying temperature of the drying of vacuum drying chamber is set to 95 DEG C；
S9：Powder after the processing of vacuum drying chamber described in S8 is suppressed on axial type dry powder forcing press, axial type dry powder pressure
The pressure of power machine is set to 11MPa, and the dwell time of axial type dry powder forcing press is set to 3min, then by axial type dry powder pressure
Thin slice obtained by power machine, which is placed in cold isostatic press, makees isostatic cool pressing processing, the pressure 150MPa of cold isostatic press, isostatic cool pressing
The dwell time 5min of machine；
S10：Thin slice obtained by cold isostatic press described in S9 is sintered according to set temperature, set temperature setting is
1450 DEG C, you can obtain black zirconia.
Embodiment three
With reference to Fig. 1, new material mobile phone shell on the back is proposed in the present embodiment, is comprised the following steps：
S1：Nitrate corresponding Fe-Co-Al-Zn is proportionally weighed, corresponding Fe-Co-Al-Zn nitrate
Mixed proportion is set to 1.40:0.68:0.60:0.30, and the corresponding nitrate of load weighted Fe-Co-Al-Zn is dissolved in steaming
In distilled water, 200ml solution is prepared, now the Co2+ concentration in 200ml/L solution is 0.4mol/L；
S2：200ml solution described in S1 is poured into 500ml balloon flasks, urea is then added into balloon flask again；
S3：Balloon flask described in S2 is placed in magnetic stirring apparatus finish application bath and is heated to 95 DEG C, the stir speed (S.S.) of magnetic stirring apparatus
650r/min is set, and the solution of balloon flask heats 25h, the solution and then standing of balloon flask in magnetic stirring apparatus finish application bath
13h；
S4：Supernatant in balloon flask described in S3 is added drop-wise in 0.1mol/L sodium hydroxide solutions, hydroxide is observed
Whether sodium solution has precipitation to generate, now can be by the solution in balloon flask if sodium hydroxide solution does not precipitate generation
Filtered；
S5：The precipitation filtered out in S4 is placed in vacuum drying chamber, the internally dry temperature setting of vacuum drying chamber is 100
DEG C, and drying time be set to 13h；
S6：Precipitation after vacuum drying chamber drying process described in S5 is ground, then again by the precipitation after milled processed
Pre-burning in Muffle furnace is placed in, calcining system is the sintering for carrying out different temperatures with 6 DEG C/min heating rate from room temperature, insulation
1.5h, what is obtained is black toner；
S7：Black toner described in S6 is doped in zirconia powder, the batch mixing of the black toner and zirconia powder utilizes rolling
Cartridge type batch mixer carries out batch mixing, and the working time of drum mixer is set to 25h；
S8：Material obtained by drum mixer is filtered, the material after filtering is placed in vacuum drying chamber, very
The drying time of empty drying box is set to 13h, and the drying temperature of the drying of vacuum drying chamber is set to 100 DEG C；
S9：Powder after the processing of vacuum drying chamber described in S8 is suppressed on axial type dry powder forcing press, axial type dry powder pressure
The pressure of power machine is set to 11.5MPa, and the dwell time of axial type dry powder forcing press is set to 4min, then by axial type dry powder
Thin slice obtained by forcing press, which is placed in cold isostatic press, makees isostatic cool pressing processing, the pressure 155MPa of cold isostatic press, cold etc. quiet
The dwell time 6min of press；
S10：Thin slice obtained by cold isostatic press described in S9 is sintered according to set temperature, set temperature setting is
1475 DEG C, you can obtain black zirconia.
Contrast conventional mobile phone shell on the back and the new material mobile phone shell on the back of embodiment one to three, embodiment one to three it is new
Material mobile phone shell on the back improves percentage such as following table than conventional mobile phone shell on the back：
| Embodiment | One | Two | Three |
| Blackness | 80% | 85% | 82% |
| Intensity | 85% | 82% | 84% |
| Flexing resistance | 90% | 95% | 82% |
| Density | 82% | 90% | 93% |
From above table, novel mobile phone shell on the back proposed by the present invention is respectively provided with than conventional mobile phone shell on the back and significantly improved.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. new material mobile phone shell on the back, it is characterised in that comprise the following steps：
S1：Nitrate corresponding Fe-Co-Al-Zn is proportionally weighed, and load weighted Fe-Co-Al-Zn is relative
The nitrate answered is dissolved in distilled water, prepares 200ml solution；
S2：200ml solution described in S1 is poured into 500ml balloon flasks, urea is then added into balloon flask again；
S3：Balloon flask described in S2 is placed in magnetic stirring apparatus finish application bath and is heated to 95 DEG C, the stir speed (S.S.) of magnetic stirring apparatus
550 are set to arrive 650r/min, the solution of balloon flask arrives 25h, the solution of balloon flask in magnetic stirring apparatus finish application bath heating 23
Then 11 are stood and arrives 13h；
S4：Supernatant in balloon flask described in S3 is added drop-wise in 0.1mol/L sodium hydroxide solutions, hydroxide is observed
Whether sodium solution has precipitation to generate, now can be by the solution in balloon flask if sodium hydroxide solution does not precipitate generation
Filtered；
S5：The precipitation filtered out in S4 is placed in vacuum drying chamber, the internally dry temperature setting of vacuum drying chamber arrives for 90
100 DEG C, and drying time be set to 11 arrive 13h；
S6：Precipitation after vacuum drying chamber drying process described in S5 is ground, then again by the precipitation after milled processed
Pre-burning in Muffle furnace is placed in, calcining system is the sintering for carrying out different temperatures with 4 to 6 DEG C/min heating rate from room temperature, is protected
Temperature 0.5 arrives 1.5h, and what is obtained is black toner；
S7：Black toner described in S6 is doped in zirconia powder, the batch mixing of the black toner and zirconia powder utilizes rolling
Cartridge type batch mixer carries out batch mixing, and the working time of drum mixer is set to 23 and arrives 25h；
S8：Material obtained by drum mixer is filtered, the material after filtering is placed in vacuum drying chamber, very
The drying time of empty drying box is set to 11 and arrives 13h, and the drying temperature of the drying of vacuum drying chamber is set to 90 to 100 DEG C；
S9：Powder after the processing of vacuum drying chamber described in S8 is suppressed on axial type dry powder forcing press, axial type dry powder pressure
The pressure of power machine is set to 9.5 and arrives 11.5MPa, and the dwell time of axial type dry powder forcing press is set to 2 and arrives 4min, then by axle
Thin slice obtained by formula dry powder forcing press, which is placed in cold isostatic press, makees isostatic cool pressing processing, and the pressure 145 of cold isostatic press is arrived
155MPa, the dwell time 4 of cold isostatic press arrives 6min；
S10：Thin slice obtained by cold isostatic press described in S9 is sintered according to set temperature, set temperature setting is
1400 to 1475 DEG C, you can obtain black zirconia.
2. new material mobile phone shell on the back according to claim 1, it is characterised in that in the S1, Fe-Co-Al-Zn is relative
The nitrate answered is followed successively by Fe（NO3）3、Co（NO3）3、Al（NO3）3And Zn（NO3）3, and nitrate corresponding Fe-Co-Al-Zn
Electronic scale is weighed respectively.
3. new material mobile phone shell on the back according to claim 1, it is characterised in that in the S1, Fe-Co-Al-Zn is relative
The nitrate mixed proportion answered is set to 1.40:0.68:0.60:0.30.
4. new material mobile phone shell on the back according to claim 1, it is characterised in that in the S1, in 200ml/L solution
Co2+ concentration is 0.2 to 0.4mol/L.
5. new material mobile phone shell on the back according to claim 1, it is characterised in that in the S2, magnetic stirring apparatus oils
The bath heat time it is preferably provided as 24h, and the time of repose of the solution of balloon flask it is preferably provided as 12h.
6. new material mobile phone shell on the back according to claim 1, it is characterised in that in the S4, molten in balloon flask
Liquid is filtered using corresponding filter screen.
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| CN201710269662.2A CN107098696A (en) | 2017-04-24 | 2017-04-24 | New material mobile phone shell on the back |
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| CN201710269662.2A CN107098696A (en) | 2017-04-24 | 2017-04-24 | New material mobile phone shell on the back |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108250800A (en) * | 2017-12-28 | 2018-07-06 | 山东国瓷功能材料股份有限公司 | A kind of high temperature resistant black nano-coloring material and its application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101172838A (en) * | 2006-05-18 | 2008-05-07 | 东曹株式会社 | Powder for black zirconia sintered body, production method thereof, and sintered body thereof |
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