CN109363952A - A kind of porcelain powders and preparation method thereof - Google Patents
A kind of porcelain powders and preparation method thereof Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 83
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims abstract description 30
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003086 colorant Substances 0.000 claims abstract description 18
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims abstract description 15
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 15
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims abstract description 15
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 15
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 9
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 9
- 229910052907 leucite Inorganic materials 0.000 claims description 50
- 239000013078 crystal Substances 0.000 claims description 47
- 239000011521 glass Substances 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000498 ball milling Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 235000012730 carminic acid Nutrition 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 5
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 5
- HDGGAKOVUDZYES-UHFFFAOYSA-K erbium(iii) chloride Chemical group Cl[Er](Cl)Cl HDGGAKOVUDZYES-UHFFFAOYSA-K 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 5
- 229940099607 manganese chloride Drugs 0.000 claims description 5
- 235000002867 manganese chloride Nutrition 0.000 claims description 5
- 239000011565 manganese chloride Substances 0.000 claims description 5
- MCPLVIGCWWTHFH-UHFFFAOYSA-L methyl blue Chemical compound [Na+].[Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)C=C1 MCPLVIGCWWTHFH-UHFFFAOYSA-L 0.000 claims description 5
- LHBNLZDGIPPZLL-UHFFFAOYSA-K praseodymium(iii) chloride Chemical compound Cl[Pr](Cl)Cl LHBNLZDGIPPZLL-UHFFFAOYSA-K 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract description 8
- 239000000758 substrate Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 235000013350 formula milk Nutrition 0.000 description 11
- 210000003298 dental enamel Anatomy 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000923 precious metal alloy Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000004268 dentin Anatomy 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
-
- 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
-
- 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
- A61K6/807—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising magnesium oxide
-
- 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
- A61K6/816—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising titanium oxide
-
- 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
-
- 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
- A61K6/827—Leucite
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Epidemiology (AREA)
- Ceramic Engineering (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Dental Preparations (AREA)
- Glass Compositions (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to artificial tooth production fields, and in particular to a kind of porcelain powders and preparation method thereof.The specific technical proposal is: a kind of porcelain powders, formula are as follows: by weight percent, 55%~70%SiO2, 10%~25%Al2O3, 5%~30%K2O, 1%~10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2, 0.1%~5%ZrO2, 0.1%~5%Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%~1%ZnO, 0.01%~1%Y2O3, 0~0.1% inorganic color, 0~0.1% organic instruction colorant.The present invention provides a kind of completely new methods for preparing porcelain powders, raw material are divided into two parts, first make required two major classes raw material by oneself respectively, carry out the processing of distinct methods respectively by respective characteristic again, precision, fineness, biocompatibility and the mechanical property of the porcelain powders of preparation are finally effectively increased, and is adapted to zirconium oxide substrate perfection.
Description
Technical field
The invention belongs to artificial tooth production fields, and in particular to a kind of porcelain powders and preparation method thereof.
Background technique
Currently, clinically relatively conventional Dental Erosion mode is Metal-porcelain technique, bottom Guan Jinshucailiaobao used
Precious metal alloys and lowpriced metal alloy are included, but precious metal alloys are expensive, and lowpriced metal alloy biocompatibility is poor.Oxidation
Not only advantage is larger in terms of biocompatibility for zircon ceramic, but also also closer to natural teeth on aesthetic effect, while also having
Biggish price advantage, therefore the trend that the full porcelain bottom of zirconium oxide is preced with labeled with substituted metal alloy bottom.
Zirconium oxide full porcelain bottom hat surface needs to melt attached one layer of porcelain powders again, could constitute complete mouth mending material.But
There is also following defects for current porcelain powders: low with zirconium oxide substrate matching degree, brittleness is big, toughness is low, uniformity is poor etc..Generally
For, commercialization porcelain powders tend to add a certain amount of leucite crystal, adjust porcelain using its higher thermal expansion coefficient
Thermally matched degree between powder and zirconia base, to guarantee the binding ability of substrate and porcelain powders.But leucite simultaneously also can shadow
The permeability for arriving porcelain powders is rung, and then influences the aesthetic measure of artificial tooth；And it can also be to a certain extent after the addition of leucite crystal
The mechanical property of artificial tooth is influenced, so that its limitation used is larger, it is difficult to meet the consumer demand increasingly increased.
Summary of the invention
The object of the present invention is to provide a kind of good biocompatibility, mechanical properties to be suitable for, high with zirconium oxide substrate matching degree
Porcelain powders and preparation method thereof.
For achieving the above object, the technical scheme adopted by the invention is that: a kind of porcelain powders, the porcelain powders are matched
Side are as follows: by weight percent, 55%~70%SiO2, 10%~25%Al2O3, 5%~30%K2O, 1%~10%Na2O、
0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2, 0.1%~5%ZrO2, 0.1%~5%Li2O, 0.1%
~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%~1%ZnO, 0.01%~1%Y2O3, 0~0.1%
Inorganic color, 0~0.1% organic instruction colorant.
Preferably, in addition to inorganic color and organic instruction colorant, each component of the formula has micro/nano level leucite
Crystal and nature of glass basis powder provide jointly；
The formula of nature of glass basis powder are as follows: press mass fraction percentage, 60%~70%SiO2, 10%~20%
Al2O3, 8%~24%K2O, 1%~10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2、
0.1%~5%ZrO2, 0.1%~5%Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%
~1%ZnO, 0.01%~1%Y2O3。
Preferably, nature of glass basis powder the preparation method comprises the following steps: weigh each component of nature of glass basis powder, mix
Uniformly, it is risen to after 900 DEG C with the heating rate of 3 DEG C/min and keeps the temperature 2h, then rise to 1550~1700 with the heating rate of 5 DEG C/min
DEG C heat preservation 2h, obtain glass metal, by the glass metal carry out water quenching, grinding, cross 80 meshes to get.
Preferably, the formula of the micro/nano level leucite crystal are as follows: press mass fraction percentage, 45%~65%
SiO2, 10%~30%Al2O3, 10%~30%K2O, 1%~10%Na2O, 0.1%~5%TiO2, 0.1%~5%Li2O、
0.1%~5%SnO2。
Preferably, the micro/nano level leucite crystal the preparation method comprises the following steps:
(1) each component is weighed, is uniformly mixed, is risen to after 850 DEG C with the heating rate of 3 DEG C/min and keep the temperature 2h, then with 10
DEG C/heating rate of min keeps the temperature 2h after rising to 1400 DEG C, it is down to room temperature with furnace, obtains leucite crystal, crystalline size≤2 μm；
(2) the leucite crystal is smashed and ground, crosses 80 mesh standard inspection sieves, with ball: material: distilled water=80~
Ball milling 1h~for 24 hours is carried out under conditions of 200:10~50:10~50, it is dry, 200 meshes are crossed, micro/nano level leucite crystal is obtained.
Preferably, the inorganic color is at least one of erbium chloride, manganese chloride, praseodymium chloride and iron chloride.
Preferably, organic instruction colorant is at least one of carmine, methyl blue.
Correspondingly, a kind of method for preparing porcelain powders, includes the following steps:
(1) mass fraction percentage is pressed, 45%~65%SiO is weighed2, 10%~30%Al2O3, 10%~30%K2O、
1%~10%Na2O, 0.1%~5%TiO2, 0.1%~5%Li2O, 0.1%~5%SnO2；It is uniformly mixed, with 3 DEG C/min
Heating rate rise to 850 DEG C after keep the temperature 2h, keep the temperature 2h after then rising to 1400 DEG C with the heating rate of 10 DEG C/min, dropped with furnace
To room temperature, leucite crystal, crystalline size≤2 μm are obtained；
(2) the leucite crystal is smashed and ground, crosses 80 mesh standard inspection sieves, with ball: material: distilled water=80~
200:10~50:10~50, ball milling 1h~for 24 hours, it is dry, 200 meshes are crossed, micro/nano level leucite crystal is obtained；
(3) mass fraction percentage is pressed, 60%~70%SiO is weighed2, 10%~20%Al2O3, 8%~24%K2O、
1%~10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2, 0.1%~5%ZrO2, 0.1%
~5%Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%~1%ZnO, 0.01%~
1%Y2O3, it is uniformly mixed, is risen to after 900 DEG C with the heating rate of 3 DEG C/min and keep the temperature 2h, then with the heating rate of 5 DEG C/min
1550~1700 DEG C are risen to, 2h is kept the temperature, obtains glass metal, water quenching, grinding cross 80 meshes, obtain nature of glass basis powder；
(4) weigh 8%~35% micro/nano level leucite crystal, 65%~92% nature of glass basis powder, 0.01%~
0.1% inorganic color, 0.01%~0.1% organic instruction colorant, 0.5~5h of ball milling control partial size≤65 μm to get required roasting
Porcelain powder.
Preferably, the inorganic color is at least one of erbium chloride, manganese chloride, praseodymium chloride and iron chloride；It is described to have
Machine indicates that colorant is at least one of carmine, methyl blue.
Preferably, in step (3), 1590 DEG C are risen to the heating rate of 5 DEG C/min.
The invention has the following advantages:
1, the present invention and commercially available or natural leucite crystal is not used, but it is brilliant to have made a kind of special leucite by oneself
Body, obtained crystalline component, character are controllable.Leucite crystal thermal expansion coefficient with higher, generally (22~30) × 10-6/ K can assign the advantage of the continuously adjustable thermal expansion coefficient of porcelain powders of preparation, make according to specific needs in actual operation
The porcelain powders of standby different heat expansion coefficient.Meanwhile leucite crystal also has the refractive index close with feldspathic glass, Bu Huiyin
Strong diffusing scattering and transparency needed for influencing porcelain powders.
2, the present invention provides a kind of completely new method for preparing porcelain powders, raw material are divided into two parts, first respectively certainly
Required two major classes raw material are made, then carry out the processing of distinct methods respectively by respective characteristic, finally effectively increase preparation
Precision, fineness, biocompatibility and the mechanical property of porcelain powders, and be adapted to zirconium oxide substrate perfection.
Specific embodiment
One, formula of the invention is as follows:
By weight percent, 55%~70%SiO2, 10%~25%Al2O3, 5%~30%K2O, 1%~10%Na2O、
0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2, 0.1%~5%ZrO2, 0.1%~5%Li2O, 0.1%
~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%~1%ZnO, 0.01%~1%Y2O3, 0~0.1%
Inorganic color, 0~0.1% organic instruction colorant.
Wherein, in addition to inorganic color and organic instruction colorant, remaining ingredient is by micro/nano level leucite crystal and glass
Matter basis powder provides jointly.
The composition of the micro/nano level leucite crystal: mass fraction percentage, 45%~65%SiO are pressed2, 10%~
30%Al2O3, 10%~30%K2O, 1%~10%Na2O, 0.1%~5%TiO2, 0.1%~5%Li2O, 0.1%~5%
SnO2。
The composition of nature of glass basis powder: mass fraction percentage, 60%~70%SiO are pressed2, 10%~20%
Al2O3, 8%~24%K2O, 1%~10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2、
0.1%~5%ZrO2, 0.1%~5%Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%
~1%ZnO, 0.01%~1%Y2O3。
The inorganic color is at least one of erbium chloride, manganese chloride, praseodymium chloride and iron chloride.
Organic instruction colorant is at least one of carmine, methyl blue.
The present invention can provide various types in above-mentioned formula range according to practical application difference according to actual needs
, the porcelain powders of different heat expansion coefficient and transparency, below by taking essential porcelain commonly used in the trade, enamel porcelain and transparent porcelain as an example.
Essential porcelain is also known as body porcelain, for obtaining the natural aesthetic feeling of dentine；Enamel porcelain is also known as cut end porcelain, for the cut end part of artificial tooth,
It is translucent；Transparent porcelain is used to embody the natural transparent form of artificial tooth.
(1) component of the essential porcelain are as follows: press mass fraction percentage, 20.1%~30% micro/nano level leucite is brilliant
Body, 70%~79.9% nature of glass basis powder, 0.01%~0.1% inorganic color, 0.01%~0.1% organic instruction colorant.
(2) component of the enamel porcelain: press mass fraction percentage, 10.1%~20% micro/nano level leucite crystal,
80%~89.9% nature of glass basis powder, 0.01%~0.1% organic instruction colorant.
(3) component of the transparent porcelain: press mass fraction percentage, 0.1%~10% micro/nano level leucite crystal,
90%~99.9% nature of glass basis powder.
Two, preparation process of the invention is as follows:
(1) preparation of leucite crystal: weighing each component of the leucite crystal, is uniformly mixed, in corundum crucible
It is risen to after 850 DEG C with the heating rate of 3 DEG C/min and keeps the temperature 2h, kept the temperature after then rising to 1400 DEG C with the heating rate of 10 DEG C/min
Then 2h is down to room temperature with furnace, obtain leucite crystal, the crystal prepared through above-mentioned technique, crystalline size≤2 μm.
(2) preparation of micro/nano level leucite crystal: the leucite crystal is smashed and ground, and crosses 80 mesh standard tests
Sieve, with ball: material: distilled water=(80~200): (10~50): carrying out ball milling 1h~for 24 hours under conditions of (10~50), dry,
It crosses 200 meshes and obtains micro/nano level leucite crystal.
(3) preparation of nature of glass basis powder: weighing each component of nature of glass basis powder, is uniformly mixed, 3 in corundum crucible
DEG C/heating rate of min keeps the temperature 2h after rising to 900 DEG C, then rises to 1550~1700 DEG C with the heating rate of 5 DEG C/min, it is excellent
1590 DEG C are selected as, 2h is kept the temperature, the glass metal of melting is poured into rapidly water quenching in cold water after heat preservation, by the glass dregs after water quenching
It grinds again, crosses 80 meshes.
(4) porcelain powders needed for preparing: each component needed for weighing corresponding porcelain powders, 0.5~5h of ball milling control porcelain powder
Diameter range is 0.1~65 μm, and has 50% porcelain powders partial size≤25 μm to get required porcelain powders.In the i.e. described porcelain powders
Partial size each stage in the range is distributed, and 50% or so is distributed in 25~65 μ ms, in 0.1~25 μ m
Interior distribution 50% or so, so that porcelain powders have better moulding performance in the uses such as subsequent accumulation.
Embodiment one: the preparation of micro/nano level leucite crystal
1,28 groups of micro/nano level leucite crystal, and 28 groups of transparent porcelain of corresponding preparation are prepared according to the above method.Wherein, glass
The formula of matter basis powder are as follows: 65%SiO2, 12%Al2O3, 9%K2O, 1%Na2O, 0.9%CaO, 0.3%BaO, 2%TiO2、
0.75%ZrO2, 0.6%Li2O, 3%SnO2, 2.3%B2O3, 3%MgO, 0.06%ZnO, 0.09%Y2O3.By the micro-nano of preparation
Meter level leucite crystal and the cooperation of nature of glass basis powder, 28 groups of enamel porcelain of corresponding preparation；The formula of the transparent porcelain are as follows: 2%
Micro/nano level leucite crystal, 98% nature of glass basis powder.
In addition, it has been found that heating rate, sintering temperature and soaking time especially thermally expand final result and are
Number has larger impact, in the parameter that non-present invention provides, floats up and down 20% range by preparation condition in step 2
It is tested, is such as warming up to 850 DEG C, then within the scope of 850 ± 170 DEG C, carry out single verification test with 50 DEG C for a gradient
(remaining parameter uses similar approach) prepares leucite crystal, finally obtained thermal expansion coefficient, the bonding with zirconium oxide substrate
Performance is undesirable, closest to the thermal expansion coefficient (9.6 × 10 of zirconium oxide substrate-6/ K) it is 7.8 × 10-6/K.Because of length original
Cause, this part test data do not embody in the text.
Each group of formula of micro/nano level leucite crystal is as shown in table 1.
1 micro/nano level leucite crystal formula of table
2, the performance of the transparent porcelain powder of each group shows as shown in table 2.According to GB 30367-2013's " dentistry ceramic material "
The test of method progress three-point bending resistance Qu Qiangdu, thermal expansion coefficient.
The performance of 2 each group porcelain powder of table is shown
Embodiment two: the preparation of nature of glass basis powder
1,44 groups of nature of glass basis powder are prepared according to the above method, and micro- by corresponding 44 groups of the preparation of one group 2 of embodiment of method
Nanoscale leucite crystal.The micro/nano level leucite crystal of preparation and nature of glass basis powder are cooperated, corresponding 44 groups of preparation is saturating
Bright porcelain；The formula of the transparent porcelain are as follows: 2% micro/nano level leucite crystal, 98% nature of glass basis powder.
Nature of glass basis each group of formula of powder is as shown in table 3, each digital representation mass percent in table.
3 nature of glass basis powder formula of table
2, it is tested for the property by the method for embodiment one, the performance of the transparent porcelain powder of each group shows as shown in table 4.
The performance of 4 each group porcelain powder of table is shown
Embodiment three
1, micro/nano level leucite crystal is prepared respectively by the method for the group 2 of embodiment one and the group 2 of embodiment two respectively
With glass basis powder, then essential 16 groups of porcelain sphere of powder powder-grinding are prepared respectively with it, with ball: material: distilled water=(80~200):
(10~100): ball milling 0.5h~5h is carried out under conditions of (10~100), is spray-dried to obtain essential porcelain powder.
Wherein, the purpose of inorganic color is the color in order to simulate nature tooth, and inorganic color is being added in the porcelain powder of same composition
Physical properties, which have, after material slightly reduces.Organic toner is to facilitate the different types of porcelain powder of difference.According to required satisfaction
Standard requirements reach the specific meanss such as effect selection inorganic color, the type of organic instruction colorant and hybrid mode.This reality
Applying example and uniformly using erbium chloride is the inorganic color, dosage 0.06%；Unified use carmine is organic instruction color
Material, dosage 0.08%.The specific preparation parameter of remaining essential porcelain powder is as shown in table 5.
The essential porcelain preparation parameter table of table 5
| Group | Micro/nano level leucite crystal | Glass basis powder | Ball: material: water | Ball-milling Time |
| Group 1 | 20.1% | 79.76% | 200:15:100 | 4.5h |
| Group 2 | 23% | 76.86% | 200:15:100 | 4.5h |
| Group 3 | 25% | 74.86% | 200:15:100 | 4.5h |
| Group 4 | 30% | 69.86% | 200:15:100 | 4.5h |
| Group 5 | 23% | 76.86% | 80:100:10 | 4.5h |
| Group 6 | 23% | 76.86% | 80:50:50 | 4.5h |
| Group 7 | 23% | 76.86% | 100:50:50 | 4.5h |
| Group 8 | 23% | 76.86% | 100:50:100 | 4.5h |
| Group 9 | 23% | 76.86% | 200:15:100 | 0.5h |
| Group 10 | 23% | 76.86% | 200:15:100 | 3h |
| Group 11 | 23% | 76.86% | 200:15:100 | 5h |
2, the specific performance of essential porcelain powder is as shown in table 6.
The performance of 6 each group essence porcelain powder of table is shown
Claims (10)
1. a kind of porcelain powders, it is characterised in that: the formula of the porcelain powders are as follows: by weight percent, 55%~70%SiO2、
10%~25%Al2O3, 5%~30%K2O, 1%~10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~
5%TiO2, 0.1%~5%ZrO2, 0.1%~5%Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%
MgO, 0.01%~1%ZnO, 0.01%~1%Y2O3, 0~0.1% inorganic color, 0~0.1% organic instruction colorant.
2. porcelain powders according to claim 1, it is characterised in that: described to match in addition to inorganic color and organic instruction colorant
The each component of side is provided by micro/nano level leucite crystal and nature of glass basis powder；
The formula of nature of glass basis powder are as follows: press mass fraction percentage, 60%~70%SiO2, 10%~20%Al2O3、
8%~24%K2O, 1%~10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2, 0.1%~
5%ZrO2, 0.1%~5%Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%~1%
ZnO, 0.01%~1%Y2O3。
3. porcelain powders according to claim 2, it is characterised in that: nature of glass basis powder the preparation method comprises the following steps: weighing
The each component of nature of glass basis powder is uniformly mixed, is risen to after 900 DEG C with the heating rate of 3 DEG C/min and keep the temperature 2h, then with 5
DEG C/heating rate of min rises to 1550~1700 DEG C of heat preservation 2h, glass metal is obtained, the glass metal is subjected to water quenching, grinding, mistake
80 meshes to get.
4. porcelain powders according to claim 2, it is characterised in that: the formula of the micro/nano level leucite crystal are as follows: press
Mass fraction percentage, 45%~65%SiO2, 10%~30%Al2O3, 10%~30%K2O, 1%~10%Na2O, 0.1%
~5%TiO2, 0.1%~5%Li2O, 0.1%~5%SnO2。
5. porcelain powders according to claim 4, it is characterised in that: the preparation method of the micro/nano level leucite crystal
Are as follows:
(1) weigh each component, be uniformly mixed, risen to after 850 DEG C with the heating rate of 3 DEG C/min and keep the temperature 2h, then with 10 DEG C/
The heating rate of min keeps the temperature 2h after rising to 1400 DEG C, is down to room temperature with furnace, obtains leucite crystal, crystalline size≤2 μm；
(2) the leucite crystal is smashed and ground, 80 mesh standard inspection sieves is crossed, with ball: material: distilled water=80~200:10
Ball milling 1h~for 24 hours is carried out under conditions of~50:10~50, it is dry, 200 meshes are crossed, micro/nano level leucite crystal is obtained.
6. porcelain powders according to claim 1, it is characterised in that: the inorganic color is erbium chloride, manganese chloride, praseodymium chloride
At least one of with iron chloride.
7. porcelain powders according to claim 1, it is characterised in that: organic instruction colorant is in carmine, methyl blue
At least one.
8. a kind of method for preparing porcelain powders, characterized by the following steps:
(1) mass fraction percentage is pressed, 45%~65%SiO is weighed2, 10%~30%Al2O3, 10%~30%K21% O ,~
10%Na2O, 0.1%~5%TiO2, 0.1%~5%Li2O, 0.1%~5%SnO2；It is uniformly mixed, with the heating of 3 DEG C/min
Rate keeps the temperature 2h after rising to 850 DEG C, keep the temperature 2h after then rising to 1400 DEG C with the heating rate of 10 DEG C/min, is down to room with furnace
Temperature obtains leucite crystal, crystalline size≤2 μm；
(2) the leucite crystal is smashed and ground, 80 mesh standard inspection sieves is crossed, with ball: material: distilled water=80~200:10
~50:10~50, ball milling 1h~for 24 hours, it is dry, 200 meshes are crossed, micro/nano level leucite crystal is obtained；
(3) mass fraction percentage is pressed, 60%~70%SiO is weighed2, 10%~20%Al2O3, 8%~24%K21% O ,~
10%Na2O, 0.1%~5%CaO, 0.1%~5%BaO, 0.1%~5%TiO2, 0.1%~5%ZrO2, 0.1%~5%
Li2O, 0.1%~5%SnO2, 2%~10%B2O3, 0.1%~5%MgO, 0.01%~1%ZnO, 0.01%~1%Y2O3,
It is uniformly mixed, is risen to after 900 DEG C with the heating rate of 3 DEG C/min and keep the temperature 2h, then rise to 1550 with the heating rate of 5 DEG C/min
~1700 DEG C, 2h is kept the temperature, obtains glass metal, water quenching, grinding cross 80 meshes, obtain nature of glass basis powder；
(4) 8%~35% micro/nano level leucite crystal, 65%~92% nature of glass basis powder, 0.01%~0.1% nothing are weighed
Machine colorant, 0.01%~0.1% organic instruction colorant, 0.5~5h of ball milling control partial size≤65 μm to get required porcelain powders.
9. a kind of method for preparing porcelain powders according to claim 8, it is characterised in that: the inorganic color is chlorination
At least one of erbium, manganese chloride, praseodymium chloride and iron chloride；Organic instruction colorant be in carmine, methyl blue at least
It is a kind of.
10. a kind of method for preparing porcelain powders according to claim 8, it is characterised in that: in step (3), with 5 DEG C/min
Heating rate rise to 1590 DEG C.
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Cited By (6)
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|---|---|---|---|---|
| CN110040963A (en) * | 2019-03-29 | 2019-07-23 | 合肥卓越义齿制作有限公司 | A kind of precious metal stove enamel tooth ivory white glaze and its application method |
| CN112142454A (en) * | 2020-09-29 | 2020-12-29 | 成都贝施美生物科技有限公司 | Porcelain powder with self-repairing function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206958B1 (en) * | 1998-07-17 | 2001-03-27 | Jeneric/Pentron, Incorporated | Dental porcelain compositions |
| CN1663930A (en) * | 2004-03-04 | 2005-09-07 | 陈沁� | Ceramic material for series color-combination porcelain used in dentistry and method for preparing same |
| CN101932298A (en) * | 2007-03-06 | 2010-12-29 | 义获嘉·伟瓦登特公司 | Veneering ceramic for dental restorations made of yttrium-stabilized zirconium dioxide, and method for veneering dental restorations made of yttrium-stabilized zirconium dioxide |
| CN103648467A (en) * | 2011-06-22 | 2014-03-19 | 维塔假牙制造厂H·劳特有限责任两合公司 | Dental restoration, method for production thereof and glass ceramic |
-
2018
- 2018-11-29 CN CN201811441642.XA patent/CN109363952B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6206958B1 (en) * | 1998-07-17 | 2001-03-27 | Jeneric/Pentron, Incorporated | Dental porcelain compositions |
| CN1663930A (en) * | 2004-03-04 | 2005-09-07 | 陈沁� | Ceramic material for series color-combination porcelain used in dentistry and method for preparing same |
| CN101932298A (en) * | 2007-03-06 | 2010-12-29 | 义获嘉·伟瓦登特公司 | Veneering ceramic for dental restorations made of yttrium-stabilized zirconium dioxide, and method for veneering dental restorations made of yttrium-stabilized zirconium dioxide |
| CN103648467A (en) * | 2011-06-22 | 2014-03-19 | 维塔假牙制造厂H·劳特有限责任两合公司 | Dental restoration, method for production thereof and glass ceramic |
Cited By (8)
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|---|---|---|---|---|
| CN110040963A (en) * | 2019-03-29 | 2019-07-23 | 合肥卓越义齿制作有限公司 | A kind of precious metal stove enamel tooth ivory white glaze and its application method |
| CN112142454A (en) * | 2020-09-29 | 2020-12-29 | 成都贝施美生物科技有限公司 | Porcelain powder with self-repairing function |
| CN112142454B (en) * | 2020-09-29 | 2021-08-17 | 成都贝施美生物科技有限公司 | Porcelain powder with self-repairing function |
| CN114349348A (en) * | 2021-12-20 | 2022-04-15 | 浙江丹斯登生物材料有限公司 | Lithium disilicate glass ceramic for all-ceramic false tooth and preparation method thereof |
| CN114455953A (en) * | 2021-12-20 | 2022-05-10 | 浙江丹斯登生物材料有限公司 | Porcelain powder for full-ceramic false tooth and preparation method thereof |
| CN114349348B (en) * | 2021-12-20 | 2024-01-12 | 浙江丹斯登生物材料有限公司 | Lithium disilicate glass ceramic for all-ceramic denture and preparation method thereof |
| CN114477977A (en) * | 2022-01-25 | 2022-05-13 | 洛阳北苑新材料技术有限公司 | Dental ternary color-masking porcelain powder, preparation method and color matching method |
| CN115385672A (en) * | 2022-09-20 | 2022-11-25 | 成都贝施美生物科技有限公司 | Opalescent porcelain powder and preparation method thereof |
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Denomination of invention: A porcelain powder and its preparation method Effective date of registration: 20231220 Granted publication date: 20210817 Pledgee: Chengdu Branch of China CITIC Bank Co.,Ltd. Pledgor: CHENGDU BESMILE BIOTECHNOLOGY Co.,Ltd. Registration number: Y2023980072829 |