CN110564411A - Formula and production process of zirconium oxide powder fluorescent coloring agent - Google Patents
Formula and production process of zirconium oxide powder fluorescent coloring agent Download PDFInfo
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- CN110564411A CN110564411A CN201910840282.9A CN201910840282A CN110564411A CN 110564411 A CN110564411 A CN 110564411A CN 201910840282 A CN201910840282 A CN 201910840282A CN 110564411 A CN110564411 A CN 110564411A
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- aluminate
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7706—Aluminates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7756—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing neodynium
- C09K11/7758—Aluminates; Silicates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7774—Aluminates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
- C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Luminescent Compositions (AREA)
Abstract
the invention discloses a formulation of a zirconia powder fluorescent coloring agent, which comprises a plurality of compositions containing fluorescent components, wherein the compositions emit fluorescence under the excitation of light with specified wavelength, the compositions have a fluorescent effect, aluminate is used as a luminescent substrate, rare earth elements are used as an activator and a co-activator, the aluminate is one or a mixture of two of calcium aluminate and barium aluminate in any proportion, the wavelength of the light with the specified wavelength is more than 300nm, the color excited by the compositions is purple or light purple, ytterbium element exists in the form of ytterbium oxide, and neodymium element exists in the form of neodymium oxide. The invention is a dyeing substance applied to a zirconia restoration body, the dyeing substance is added into zirconia powder and is sintered together with the zirconia powder to finally prepare a zirconia ceramic block, and the prepared zirconia ceramic block can emit fluorescence in the dark or dark environment after being prepared into the zirconia restoration body and has the same fluorescence effect with natural teeth.
Description
Technical Field
the invention relates to the technical field of zirconia porcelain teeth, in particular to a formula of a zirconia powder fluorescent coloring agent and a production process thereof.
Background
the full-ceramic restoration aims at restoring the defect of the tooth and better simulating the color of the natural tooth. In addition to meeting the requirements of hue, lightness and saturation of the teeth color of a patient, the visual appearance of the dental restoration is also important for improving the fidelity of the restoration by the second optical characteristics including semi-permeability, turbidity, iridescence, surface gloss and the like.
the zirconia presents a single chalk color, the second optical characteristic of the zirconia is poor, the optical property of the manufactured restoration is lower than that of natural teeth, and particularly, the visual effect of the restoration is shown under various environments, and more, the restoration shows rigid plate and no vitality; in order to overcome the defect, the prior technical means leads the prosthesis to be more close to natural teeth;
For the existing zirconia-based ceramic material, the fluorescent effect is not achieved, namely natural teeth can emit light purple fluorescent light under the dark condition, the technical effect is not used in the daytime, and the fluorescent effect of the prosthesis is particularly important for the night or some dark environments, especially some special crowds.
Therefore, the improvement of the fluorescence of the zirconia ceramic is of great significance for clinical oral cavity restoration.
Disclosure of Invention
the invention aims to provide a formula of a zirconium oxide powder fluorescent coloring agent and a production process thereof, so as to solve the problems in the background technology.
in order to achieve the purpose, the invention provides the following technical scheme: a formulation of zirconium oxide powder fluorescent coloring agent comprises a plurality of compositions containing fluorescent components, wherein the compositions emit fluorescence under the excitation of light with specified wavelength;
Furthermore, the composition has a fluorescent effect, and takes aluminate as a luminescent matrix and rare earth elements as an activator and a co-activator;
Further, the aluminate is one or a mixture of two of calcium aluminate and barium aluminate in any proportion;
Furthermore, the rare earth element is one or a mixture of ytterbium and neodymium in any proportion.
further, the element with fluorescence effect generated by the composition is ytterbium or neodymium;
Further, the wavelength of the light with the specified wavelength is more than 300nm, and the color excited by the composition is purple or light purple;
The composition is prepared by using ytterbium element in the form of ytterbium oxide and neodymium element in the form of neodymium oxide.
A production process of a zirconium oxide powder fluorescent coloring agent comprises the following specific steps:
Firstly, selecting aluminate as a raw material and nitrate of rare earth elements, and mixing the aluminate and the nitrate in proportion;
Secondly, putting the high-temperature-resistant crucible on an electric furnace for heating, putting the raw materials in the crucible, keeping the temperature at 120-150 ℃, burning for 50-60 minutes, and picking out impurities with low color in the process;
thirdly, after sintering, putting the sintered semi-finished product into a sand mill to be ground into fine powder, and screening the fine powder by a mesh screen and circularly crushing the fine powder; or a powdered phosphor;
and fourthly, soaking the powder fluorescent powder in water, performing precipitation in a centrifugal mode, removing clear water, and drying the precipitated powder in a drying box.
compared with the prior art, the invention has the beneficial effects that: when the invention is used, the invention is added into zirconia powder and is sintered with the zirconia powder to finally prepare the zirconia ceramic block, and the prepared zirconia ceramic block can emit fluorescence in the dark or dark environment after being prepared into the zirconia restoration body and has the same fluorescence effect with natural teeth.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
example 1
The invention provides a formula of a zirconium oxide powder fluorescent coloring agent, which is a composition consisting of a plurality of fluorescent components, wherein the composition emits fluorescence under the excitation of light with specified wavelength;
furthermore, the composition has a fluorescent effect, and takes aluminate as a luminescent matrix and rare earth elements as an activator and a co-activator;
Further, the aluminate is one or a mixture of two of calcium aluminate and barium aluminate in any proportion;
Furthermore, the rare earth element is one or a mixture of ytterbium and neodymium in any proportion.
Further, the element with fluorescence effect generated by the composition is ytterbium or neodymium;
Further, the wavelength of the light with the specified wavelength is more than 300nm, and the color excited by the composition is purple or light purple;
The composition is prepared by using ytterbium element in the form of ytterbium oxide and neodymium element in the form of neodymium oxide.
A production process of a zirconium oxide powder fluorescent coloring agent comprises the following specific steps:
Firstly, selecting aluminate as a raw material and nitrate of rare earth elements, and mixing the aluminate and the nitrate in proportion;
Secondly, putting the high-temperature-resistant crucible on an electric furnace for heating, putting the raw materials in the crucible, keeping the temperature at 120-150 ℃, burning for 50-60 minutes, and picking out impurities with low color in the process;
Thirdly, after sintering, putting the sintered semi-finished product into a ball mill to be ground into fine powder, and screening the fine powder by a mesh screen and circularly crushing the fine powder; or a powdered phosphor;
and fourthly, soaking the powder fluorescent powder in water, performing precipitation in a centrifugal mode, removing clear water, and drying the precipitated powder in a drying box.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. the formula of the zirconium oxide powder fluorescent coloring agent is characterized in that: a composition comprising a plurality of fluorescent-containing components, which composition fluoresces upon excitation with light of a predetermined wavelength.
2. the formulation of a zirconia powder fluorescent stain of claim 1, wherein: the composition has a fluorescent effect, takes aluminate as a luminescent matrix, and takes rare earth elements as an activator and a co-activator.
3. the formulation of a zirconia powder fluorescent stain of claim 2, wherein: the aluminate is one or a mixture of two of calcium aluminate and barium aluminate in any proportion.
4. The formulation of a zirconia powder fluorescent stain of claim 2, wherein: the rare earth element is composed of one or a mixture of two of ytterbium and neodymium in any proportion.
5. The formulation of a zirconia powder fluorescent stain of claim 1, wherein: the element with the fluorescent effect generated by the composition is ytterbium or neodymium.
6. The formulation of a zirconia powder fluorescent stain of claim 1, wherein: the wavelength of the light with the specified wavelength is more than 300nm, and the color excited by the composition is purple or light purple.
7. the formulation of a zirconia powder fluorescent stain of claim 1, wherein: the composition is prepared by using ytterbium element in the form of ytterbium oxide and neodymium element in the form of neodymium oxide.
8. The production process of the zirconium oxide powder fluorescent coloring agent is characterized by comprising the following specific steps of:
firstly, selecting aluminate as a raw material and nitrate of rare earth elements, and mixing the aluminate and the nitrate in proportion;
secondly, putting the high-temperature-resistant crucible on an electric furnace for heating, putting the raw materials in the crucible, keeping the temperature at 120-150 ℃, burning for 50-60 minutes, and picking out impurities with low color in the process;
thirdly, after sintering, putting the sintered semi-finished product into a sand mill to be ground into fine powder, and screening the fine powder by a mesh screen and circularly crushing the fine powder; or a powdered phosphor;
and fourthly, soaking the powder fluorescent powder in water, performing precipitation in a centrifugal mode, removing clear water, and drying the precipitated powder in a drying box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840282.9A CN110564411A (en) | 2019-09-06 | 2019-09-06 | Formula and production process of zirconium oxide powder fluorescent coloring agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840282.9A CN110564411A (en) | 2019-09-06 | 2019-09-06 | Formula and production process of zirconium oxide powder fluorescent coloring agent |
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| CN110564411A true CN110564411A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840282.9A Pending CN110564411A (en) | 2019-09-06 | 2019-09-06 | Formula and production process of zirconium oxide powder fluorescent coloring agent |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158641A (en) * | 1976-10-26 | 1979-06-19 | Shofu Dental Manufacturing Co., Ltd. | Fluorescent dental porcelain |
| CN102260078A (en) * | 2010-05-31 | 2011-11-30 | 比亚迪股份有限公司 | Zirconia ceramic and preparation method thereof |
| CN102438964A (en) * | 2009-03-23 | 2012-05-02 | 株式会社则武 | Fluorescent zirconia material |
-
2019
- 2019-09-06 CN CN201910840282.9A patent/CN110564411A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158641A (en) * | 1976-10-26 | 1979-06-19 | Shofu Dental Manufacturing Co., Ltd. | Fluorescent dental porcelain |
| CN102438964A (en) * | 2009-03-23 | 2012-05-02 | 株式会社则武 | Fluorescent zirconia material |
| CN102260078A (en) * | 2010-05-31 | 2011-11-30 | 比亚迪股份有限公司 | Zirconia ceramic and preparation method thereof |
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Application publication date: 20191213 |