CN105924163A - Zirconium oxide porcelain blocks and preparation method therefor - Google Patents
Zirconium oxide porcelain blocks and preparation method therefor Download PDFInfo
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- CN105924163A CN105924163A CN201610283031.1A CN201610283031A CN105924163A CN 105924163 A CN105924163 A CN 105924163A CN 201610283031 A CN201610283031 A CN 201610283031A CN 105924163 A CN105924163 A CN 105924163A
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
- A61K6/78—Pigments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
- A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium oxide
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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
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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
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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
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
Abstract
The invention discloses zirconium oxide porcelain blocks and a preparation method therefor. The method comprises the steps: mechanically mixing white zirconium oxide powder and three kinds of colored powder for 10 to 20 minutes according to a certain ratio, so as to prepare colored zirconium oxide powder; putting the colored zirconium oxide powder into a mold, carrying out dry-pressing forming, and then, carrying out static pressing treatment by a static press, so as to prepare unburned zirconium oxide porcelain blocks; and carrying out sintering treatment on the unburned zirconium oxide porcelain blocks in a high-temperature furnace. The preparation method of the zirconium oxide porcelain blocks, disclosed by the invention, is simple and easy in operation, and an internal dyeing procedure is not required to be carried out while a coloring effect is guaranteed, so that the manufacturing cycle is shortened, the consumption of dyeing liquor is avoided, the condition that properties of a zirconium oxide material are free of influence is guaranteed, and the utilization ratio and rate of finished products of the zirconium oxide porcelain blocks are increased.
Description
Technical field
The present invention relates to porcelain block production field, particularly relate to a kind of zirconium oxide porcelain block and preparation method thereof.
Background technology
Oral Repair ceramic material due to its good mechanical property, chemical stability, biocompatibility and aesthetic property by
Step becomes a kind of biomaterial with wide application prospect.In numerous ceramic materials, zirconium oxide porcelain block is excellent with it again
Performance be widely used in dental prosthetic material, become the focus of research both at home and abroad.
But for using zirconia material to make ceramic false tooth, current traditional handicraft will pass through Scan Design, cutting, clearly
Dye clean, interior, sinter, polish, the multistep operation such as outer dye has been gone, its fabrication cycle is longer, and the dyeing liquor that interior dye uses is to oxidation
Zirconia material performance produces some deleterious effects, and the interior zirconic coloring effect of dyer's ordered pair by dyeing liquor, manual operation,
The factor impacts such as environment are relatively big, wayward operation.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of zirconium oxide porcelain block and preparation thereof
Method, it is intended to solve that existing zirconium oxide porcelain block fabrication cycle is longer and the wayward operation of zirconic coloring of interior dyer's ordered pair
Problem.
Technical scheme is as follows:
A kind of preparation method of zirconium oxide porcelain block, wherein, including step:
A, by white oxide zirconium powder body and three kinds of coloured powder body mechanical mixture 10 ~ 20 minutes by a certain percentage, prepare coloring oxidation
Zirconium powder body；
B, described colored zirconium oxide powder body is put into mould, dry-pressing formed, then process through static pressure machine static pressure, prepare zirconium oxide porcelain
Block base substrate；
C, described zirconium oxide porcelain block base substrate is placed on high temperature furnace in be sintered.
The preparation method of described zirconium oxide porcelain block, wherein, in described step A, described three kinds of coloured powder body are respectively Huang
Color Zirconium powder, pink colour Zirconium powder and gray oxide zirconium powder body.
The preparation method of described zirconium oxide porcelain block, wherein, the coloring components of described yellow powder body is Erbia, described powder
The coloring components of toner body is ferrum oxide, and the coloring components of described Lycoperdon polymorphum Vitt powder body is manganese oxide.
The preparation method of described zirconium oxide porcelain block, wherein, by white oxide zirconium powder body and yellow powder body, pink colour powder body with
And Lycoperdon polymorphum Vitt powder body mechanical mixture in varing proportions can prepare the Zirconium powder of different colours.
The preparation method of described zirconium oxide porcelain block, wherein, in described step B, dry-pressing formed pressure is 35 ~ 45Mpa,
Dwell time is 2 ~ 5 minutes.
The preparation method of described zirconium oxide porcelain block, wherein, in described step B, static pressure pressure is 250 ~ 300Mpa, pressurize
Time is 3 ~ 8 minutes.
The preparation method of described zirconium oxide porcelain block, wherein, in described step C, described high temperature furnace is push-plate type tunnel cave.
The preparation method of described zirconium oxide porcelain block, wherein, described step C specifically includes:
C1, described zirconium oxide porcelain block base substrate sequentially pass through the multiple temperature provinces divided in push-plate type tunnel cave；
C2, described zirconium oxide porcelain block base substrate stop a scheduled time respectively in each temperature province, are sintered.
The preparation method of described zirconium oxide porcelain block, wherein, will be divided into 10 humidity provinces in described push-plate type tunnel cave
Territory, each temperature province has temperature that is constant but that differ.
A kind of zirconium oxide porcelain block, wherein, uses the manufacture method making as above described in any one.
Beneficial effect: the present invention is by by white oxide zirconium powder body and three kinds of coloured powder body mechanical mixture systems by a certain percentage
Obtain colored zirconium oxide powder body, be then passed through dry-pressing, static pressure and sintering processes and can be prepared by colouring different zirconium oxide porcelain blocks.This
Bright zirconium oxide porcelain block preparation method is simple to operation, and is made without interior dyer's sequence while ensureing coloring effect,
Both shortened fabrication cycle, turn avoid the use to dyeing liquor, it is ensured that the performance of zirconia material was unaffected, improve
The utilization rate of zirconium oxide porcelain block and yield rate.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method preferred embodiment of the present invention a kind of zirconium oxide porcelain block.
Detailed description of the invention
The present invention provides a kind of zirconium oxide porcelain block and preparation method thereof, for making the purpose of the present invention, technical scheme and effect
Clearer, clear and definite, the present invention is described in more detail below.Only should be appreciated that specific embodiment described herein
In order to explain the present invention, it is not intended to limit the present invention.
Refer to the flow chart of the preparation method preferred embodiment that Fig. 1, Fig. 1 are the present invention a kind of zirconium oxide porcelain block, such as figure
Shown in, it includes step:
S100, by white oxide zirconium powder body and three kinds of coloured powder body mechanical mixture 10 ~ 20 minutes by a certain percentage, prepare coloring oxygen
Change zirconium powder body；
S110, described colored zirconium oxide powder body is put into mould, dry-pressing formed, then process through static pressure machine static pressure, prepare oxidation
Zircon porcelain block base substrate；
S120 is sintered in described zirconium oxide porcelain block base substrate is placed on high temperature furnace.
In the present invention, by by white oxide zirconium powder body and three kinds of coloured powder body mechanical mixture 10 ~ 20 by a certain percentage
Minute prepared colored zirconium oxide powder body, is then passed through dry-pressing, static pressure and sintering processes and can be prepared by colouring different zirconium oxide porcelains
Block.The zirconium oxide porcelain block preparation method of the present invention is simple to operation, and in ensureing to be made without while coloring effect
Dyer's sequence, had both shortened fabrication cycle, turn avoid the use to dyeing liquor, it is ensured that the performance of zirconia material is not by shadow
Ring, improve utilization rate and the yield rate of zirconium oxide porcelain block.
In the step s 100, by by white oxide zirconium powder body and three kinds of coloured powder body mechanical mixture 10 by a certain percentage ~
20 minutes, can be prepared by colored zirconium oxide powder body, it is preferred that described mechanical mixture is carried out in a special mix and blend equipment,
Preferably mixing 15 minutes, can prepare the Zirconium powder of uniform coloring.
Further, described three kinds of coloured powder body are yellow zirconium oxide powder body, pink colour Zirconium powder and gray oxide respectively
Zirconium powder body, wherein the coloring components in yellow zirconium oxide powder body is Erbia, and the coloring components of pink colour Zirconium powder is oxidation
Ferrum, the coloring components of gray oxide zirconium powder body is manganese oxide.
Further, in artificial tooth field, artificial tooth color has 16 kinds, can be by artificial tooth face according to its industry colour system technical term
Color is divided into: A1, A2, A3, A3.5, A4, B1, B2, B3, B4, C1, C2, C3, C4, D2, D3, D4.The present invention is by regulation white oxygen
The ratio of the mass percent changing zirconium powder body and three kinds of coloured powder body mixes, then by dry-pressing, static pressure and sintering processes,
The zirconium oxide porcelain block of above-mentioned 16 kinds of different colours can be prepared, as shown in table 1.
The table 1 white oxide zirconium powder body used by the zirconium oxide porcelain block of 16 kinds of different colours of preparation and three kinds of coloured powder body
Mass percent:
In step s 110, described colored zirconium oxide powder body is put into mould, dry-pressing formed, then process through smoothing press static pressure,
Preparing zirconium oxide porcelain block base substrate, specifically, dry-pressing formed pressure is set to 35 ~ 45Mpa by the present invention, and pressurize arranges the time and is
2 ~ 5 minutes, it is preferred that preferably dry-pressing formed pressure is set to 40Mpa, the dwell time was set to 3 minutes, is so ensureing
Preferably while molding effect, shorten the manufacturing cycle of zirconium oxide porcelain block to greatest extent.
Further, the present invention, by after dry-pressing formed for Colored zirconia powder body, carries out static pressure in static pressure machine to be placed on
Processing, specifically, arranging static pressure pressure is 250 ~ 300Mpa, and the dwell time is 3 ~ 8 minutes, it is preferred that preferably by static pressure pressure
Being set to 280Mpa, the dwell time is set to 5 minutes, equally while ensureing hydrostatic profile effect, shortens to greatest extent
The manufacturing cycle of zirconium oxide porcelain block.
In the step s 120, it is sintered in described zirconium oxide porcelain block base substrate being placed on high temperature furnace.Specifically, this
Zirconium oxide porcelain block base substrate is sintered by bright employing push-plate type tunnel cave, is provided with multiple humidity province in described push-plate type tunnel cave
Territory, the temperature of each temperature province is different from, and same temperature province is divided into again upper and lower two-layer, and upper and lower two-layer can basis
It is actually needed and identical or different temperature is set.
Further, described zirconium oxide porcelain block base substrate is sequentially passed through the multiple temperature provinces divided in push-plate type tunnel cave,
Specifically, as shown in table 2, described push-plate type tunnel cave is divided into 10 temperature provinces, each temperature province be provided with constant but
The temperature differed, described zirconium oxide porcelain block base substrate stops a scheduled time in each temperature province, is sintered.The present invention
Using push-plate type tunnel cave to be sintered zirconium oxide porcelain block base substrate, it is simple to operation, kiln temperature is the most easily-controllable
Make, and each temperature province is simultaneously operable, and is greatly improved sintering efficiency.
Table 2 is each temperature province temperature and time correspondence table in push-plate type tunnel cave
In above-mentioned table 2, temperature unit is degree Celsius, and unit of time is minute.
Based on said method, the present invention also provides for zirconium oxide porcelain block, and described zirconium oxide porcelain block uses oxidation as above
The preparation method of zirconium is prepared from.
In sum, a kind of zirconium oxide porcelain block that the present invention provides and preparation method thereof, by by white oxide zirconium powder body
Prepare colored zirconium oxide powder body with three kinds of coloured powder body mechanical mixture by a certain percentage, be then passed through at dry-pressing, static pressure and sintering
Reason can be prepared by colouring different zirconium oxide porcelain blocks.The zirconium oxide porcelain block preparation method of the present invention is simple to operation, and is protecting
It is made without interior dyer's sequence while card coloring effect, had both shortened fabrication cycle, and turn avoid the use to dyeing liquor, protect
The performance having demonstrate,proved zirconia material is unaffected, improves utilization rate and the yield rate of zirconium oxide porcelain block.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Protect scope.
Claims (10)
1. the preparation method of a zirconium oxide porcelain block, it is characterised in that include step:
A, by white oxide zirconium powder body and three kinds of coloured powder body mechanical mixture 10 ~ 20 minutes by a certain percentage, prepare coloring oxidation
Zirconium powder body；
B, described colored zirconium oxide powder body is put into mould, dry-pressing formed, then process through static pressure machine static pressure, prepare zirconium oxide porcelain
Block base substrate；
C, described zirconium oxide porcelain block base substrate is placed on high temperature furnace in be sintered prepare zirconium oxide porcelain block.
The preparation method of zirconium oxide porcelain block the most according to claim 1, it is characterised in that in described step A, described three kinds
Coloured powder body is respectively yellow zirconium oxide powder body, pink colour Zirconium powder and gray oxide zirconium powder body.
The preparation method of zirconium oxide porcelain block the most according to claim 2, it is characterised in that being coloured to of described yellow powder body
Being divided into Erbia, the coloring components of described pink colour powder body is ferrum oxide, and the coloring components of described Lycoperdon polymorphum Vitt powder body is manganese oxide.
The preparation method of zirconium oxide porcelain block the most according to claim 2, it is characterised in that by white oxide zirconium powder body and Huang
Toner body, pink colour powder body and Lycoperdon polymorphum Vitt powder body mechanical mixture in varing proportions can prepare the Zirconium powder of different colours.
The preparation method of zirconium oxide porcelain block the most according to claim 1, it is characterised in that in described step B, dry-pressing formed
Pressure be 35 ~ 45Mpa, the dwell time is 2 ~ 5 minutes.
The preparation method of zirconium oxide porcelain block the most according to claim 1, it is characterised in that in described step B, static pressure pressure
Being 250 ~ 300Mpa, the dwell time is 3 ~ 8 minutes.
The preparation method of zirconium oxide porcelain block the most according to claim 1, it is characterised in that in described step C, described high temperature
Stove is push-plate type tunnel cave.
The preparation method of zirconium oxide porcelain block the most according to claim 7, it is characterised in that described step C specifically includes:
C1, described zirconium oxide porcelain block base substrate sequentially pass through the multiple temperature provinces in push-plate type tunnel cave；
C2, described zirconium oxide porcelain block base substrate stop a scheduled time respectively in each temperature province, are sintered.
The preparation method of zirconium oxide porcelain block the most according to claim 8, it is characterised in that by described push-plate type tunnel cave
Being divided into 10 temperature provinces, each temperature province has temperature that is constant but that differ.
10. a zirconium oxide porcelain block, it is characterised in that use the preparation method as described in any one of claim 1 ~ 9 to prepare.
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| CN106388959A (en) * | 2016-09-12 | 2017-02-15 | 西安工业大学 | Preparation method of zirconia ceramic false teeth |
| CN106495704A (en) * | 2016-10-13 | 2017-03-15 | 东莞定远陶齿制品有限公司 | A kind of manufacture craft of colorimetric porcelain piece heap porcelain |
| CN109771064A (en) * | 2019-02-27 | 2019-05-21 | 深圳市翔通光电技术有限公司 | The artificial tooth and preparation method thereof that a kind of intensity, permeability and color successively change |
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| CN106388959A (en) * | 2016-09-12 | 2017-02-15 | 西安工业大学 | Preparation method of zirconia ceramic false teeth |
| CN106495704A (en) * | 2016-10-13 | 2017-03-15 | 东莞定远陶齿制品有限公司 | A kind of manufacture craft of colorimetric porcelain piece heap porcelain |
| CN106495704B (en) * | 2016-10-13 | 2019-06-25 | 东莞定远陶齿制品有限公司 | A kind of manufacture craft carrying out colorimetric porcelain block using heap porcelain |
| CN109771064A (en) * | 2019-02-27 | 2019-05-21 | 深圳市翔通光电技术有限公司 | The artificial tooth and preparation method thereof that a kind of intensity, permeability and color successively change |
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Application publication date: 20160907 |