CN103524141B - Carbon-fiber-containing false tooth green body and manufacturing method thereof - Google Patents
Carbon-fiber-containing false tooth green body and manufacturing method thereof Download PDFInfo
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- CN103524141B CN103524141B CN201310504791.7A CN201310504791A CN103524141B CN 103524141 B CN103524141 B CN 103524141B CN 201310504791 A CN201310504791 A CN 201310504791A CN 103524141 B CN103524141 B CN 103524141B
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Abstract
The invention belongs to the field of false tooth processing preparation and in particular relates to a carbon-fiber-containing false tooth green body and a manufacturing method thereof. The carbon-fiber-containing false tooth green body is prepared from the following raw materials in percentage by weight: 12-15 percent of carbon fibers, 72-75 percent of zirconium dioxide and 12-14 percent of aluminum oxide. The manufacturing method comprises the following steps: pulverizing the raw materials through a pulverizer; performing ultrasonic treatment through an ultrasonic pulverizer; adding an adhesive into the mixture, and stirring the mixture through a stirring container; drying and vacuumizing the container; putting obtained particles into a die in a hot-press furnace for heat preservation and pressure retaining, and cooling the particles to room temperature to obtain the carbon-fiber-containing false tooth green body. The carbon-fiber-containing false tooth green body disclosed by the invention is light in weight, high in mechanical strength and high in corrosion resistance; the manufacturing method is simple and feasible and is high in operability.
Description
Technical field
The invention belongs to artificial tooth processing preparation field, particularly a kind of carbon fiber-containing false tooth blanks and preparation method thereof.
Background technology
At present, the material of high-grade artificial tooth mainly contains ceramic composite, precious metal alloys material, polymer composite etc.Wherein, precious metal alloys material weight is larger, and expensive, and ordinary consumer holds dares not accept; The strength ratio of ceramic composite and macromolecular material is poor, and corrosion resistance is also a bit weaker.
Carbon fiber is a kind of very high-temperature fibre of high strength and modulus that has, its proportion is less than 1/4 of steel, carbon fiber resin composite material tensile strength generally all more than 3500MPa, be the 7-9 of steel doubly, tensile modulus of elasticity is 23000-43000MPa, also higher than steel.Axial strength and the modulus of carbon fiber are high, and without creep, fatigue durability is good, and specific heat and electric conductivity are between nonmetal and metal, and thermal coefficient of expansion is little, good corrosion resistance, and the density of fiber is low.The various aspects of performance of carbon fiber is all than polymer composite, metal-base composites and ceramic matric composite excellence, and the premium properties of carbon fiber is to be applicable to very much doing artificial tooth.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, a kind of carbon fiber-containing false tooth blanks and preparation method thereof is provided.That this kind of false tooth blanks has is lightweight, mechanical strength good, strong corrosion resistant performance.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
One contains carbon fiber false tooth blanks, and the weight part ratio of its constitutive material is: carbon fiber 12-15%, zirconium dioxide 72-75% and aluminium sesquioxide 12-14%.
A manufacture method that contains carbon fiber false tooth blanks, comprises the steps:
(1) with flour mill, the compound of carbon fiber, zirconium dioxide and aluminium sesquioxide is pulverized, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), add binding agent, utilize afterwards stirred vessel to stir 3-4 hour, break into slurry, again slurry drying equipment is dried to 20 minutes, when dry, carry out evacuation, vacuum is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) granule in step (3) is put into mould, then mould is put into hot pressing furnace, in stove, temperature is controlled at 1000-1200 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with temperature in hot pressing furnace is cooled to room temperature, gets final product to such an extent that contain carbon fiber false tooth blanks.
The invention has the beneficial effects as follows: one of the present invention contains carbon fiber false tooth blanks, due to contain its intensity of carbon fiber good, corrosion-resistant might as well, high temperature resistant and low weight, carbon fiber can be well and zirconium dioxide, alchlor mechanical bond.
In order to obtain better effect, above scheme can also be done following improvement:
Further, described carbon fiber is to carry out surface treatment dry carbon fiber.
Further, described surface treatment is that liquid phase oxidation+anodised composite surface facture is carried out electrochemicial oxidation to carbon fiber.It is that 60 DEG C, concentration are in 5% aqueous solution of nitric acid bath that carbon fiber is imported to temperature by the deflector roll of ceramic, on carbon fiber, add positive voltage, minus plate is set in bath, and betwixt by the electric current of 1A, approximately 2 minutes, the above-mentioned carbon fiber through electrochemicial oxidation is washed, and in vacuum desiccator, temperature is at 200 DEG C, to carry out dried within 1 minute, to obtain surface treatment dry carbon fiber.
It is in order to improve its cohesive and the carbonization phenomenon with metal-oxide compound tense that carbon fiber is carried out to oxidized surface processing, although carbon fiber comparatively speaking corrosion resistance is relatively good, but its surface is imposed to strong corrosion processing, surface still can corrosion and also internal structure also may be destroyed.Through adopting liquid phase oxidation+anodised composite surface facture, carbon fiber is carried out after electrochemical treatments, the surface corrosion-resistant erosion of carbon fiber has improved, the mechanical strength of carbon fiber also can brought into play larger effect with other materials compound tense, carry out compound tense with zirconium dioxide, aluminium sesquioxide like this, the phenomenons such as metallic carbide can not occur again.
Further, described binding agent is PP binding agent.This binding agent good corrosion resistance, bonding force are strong, can with metlbond and insoluble molten, waterproof, invariant color.
Detailed description of the invention
Present invention is described below, and example, only for explaining the present invention, is not intended to limit scope of the present invention.
Carbon fiber surface used in the embodiment of the present invention carries out electrochemicial oxidation through liquid phase oxidation+anodised composite surface facture to carbon fiber.It is that 60 DEG C, concentration are in 5% aqueous solution of nitric acid bath that carbon fiber is imported to temperature by the deflector roll of ceramic, on carbon fiber, add positive voltage, minus plate is set in bath, and betwixt by the electric current of 1A, approximately 2 minutes, the above-mentioned carbon fiber through electrochemicial oxidation is washed, and in vacuum desiccator, temperature is at 200 DEG C, to carry out dried within 1 minute, to obtain surface treatment dry carbon fiber.
Embodiment 1
One contains carbon fiber false tooth blanks, and the weight part ratio of its constitutive material is: carbon fiber 12%, and zirconium dioxide 74% and aluminium sesquioxide 14%, its manufacture method comprises the steps:
(1) with flour mill, the compound of carbon fiber, zirconium dioxide and aluminium sesquioxide is pulverized, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), add PP binding agent, utilize afterwards stirred vessel to stir 3 hours, break into slurry, again slurry drying equipment is dried to 20 minutes, when dry, carry out evacuation, vacuum is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) granule in step (3) is put into mould, then mould is put into hot pressing furnace, in stove, temperature is controlled at 1200 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with temperature in hot pressing furnace is cooled to room temperature, gets final product to such an extent that contain carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 450Mpa after testing, and bulk density is 1.3g/cm3.
Embodiment 2
One contains carbon fiber false tooth blanks, and the weight part ratio of its constitutive material is: carbon fiber 15%, and zirconium dioxide 73% and aluminium sesquioxide 12%, its manufacture method comprises the steps:
(1) with flour mill, the compound of carbon fiber, zirconium dioxide and aluminium sesquioxide is pulverized, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), add PP binding agent, utilize afterwards stirred vessel to stir 3.5 hours, break into slurry, again slurry drying equipment is dried to 20 minutes, when dry, carry out evacuation, vacuum is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) granule in step (3) is put into mould, then mould is put into hot pressing furnace, in stove, temperature is controlled at 1100 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with temperature in hot pressing furnace is cooled to room temperature, gets final product to such an extent that contain carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 480Mpa after testing, and bulk density is 1.1g/cm
3.
Embodiment 3
One contains carbon fiber false tooth blanks, and the weight part ratio of its constitutive material is: carbon fiber 15%, and zirconium dioxide 72% and aluminium sesquioxide 13%, its manufacture method comprises the steps:
(1) with flour mill, the compound of carbon fiber, zirconium dioxide and aluminium sesquioxide is pulverized, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), add PP binding agent, utilize afterwards stirred vessel to stir 4 hours, break into slurry, again slurry drying equipment is dried to 20 minutes, when dry, carry out evacuation, vacuum is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) granule in step (3) is put into mould, then mould is put into hot pressing furnace, in stove, temperature is controlled at 1000 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with temperature in hot pressing furnace is cooled to room temperature, gets final product to such an extent that contain carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 470Mpa after testing, and bulk density is 1.2g/cm
3.
Embodiment 4
One contains carbon fiber false tooth blanks, and the weight part ratio of its constitutive material is: carbon fiber 13%, and zirconium dioxide 75% and aluminium sesquioxide 12%, its manufacture method comprises the steps:
(1) with flour mill, the compound of carbon fiber, zirconium dioxide and aluminium sesquioxide is pulverized, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), add PP binding agent, utilize afterwards stirred vessel to stir 3.5 hours, break into slurry, again slurry drying equipment is dried to 20 minutes, when dry, carry out evacuation, vacuum is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) granule in step (3) is put into mould, then mould is put into hot pressing furnace, in stove, temperature is controlled at 1180 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with temperature in hot pressing furnace is cooled to room temperature, gets final product to such an extent that contain carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 460Mpa after testing, and bulk density is 1.2g/cm
3.
The foregoing is only several embodiments of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. contain a carbon fiber false tooth blanks, it is characterized in that the weight part ratio of its constitutive material is: carbon fiber 12-15%, zirconium dioxide 72-75% and aluminium sesquioxide 12-14%.
2. a manufacture method that contains carbon fiber false tooth blanks as claimed in claim 1, is characterized in that comprising the steps:
(1) with flour mill, the compound of carbon fiber, zirconium dioxide and aluminium sesquioxide is pulverized, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in process step (2) compound after treatment, add PP binding agent, utilize afterwards stirred vessel to stir 3-4 hour, break into slurry, again slurry drying equipment is dried to 20 minutes, when dry, carry out evacuation, vacuum is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) granule in step (3) is put into mould, then mould is put into hot pressing furnace, in stove, temperature is controlled at 1000-1200 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with temperature in hot pressing furnace is cooled to room temperature, gets final product to such an extent that contain carbon fiber false tooth blanks.
3. the manufacture method that contains carbon fiber false tooth blanks according to claim 2, is characterized in that described carbon fiber is to carry out surface treatment dry carbon fiber.
4. the manufacture method that contains carbon fiber false tooth blanks according to claim 3, is characterized in that described surface treatment is that liquid phase oxidation+anodised composite surface facture is carried out electrochemicial oxidation to carbon fiber.
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| CN201310504791.7A CN103524141B (en) | 2013-10-23 | 2013-10-23 | Carbon-fiber-containing false tooth green body and manufacturing method thereof |
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| CN109620442A (en) * | 2018-12-20 | 2019-04-16 | 四川华柚医疗器械有限公司 | A kind of novel artificial tooth and preparation method thereof |
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| JPH03182241A (en) * | 1989-12-08 | 1991-08-08 | Kuraray Co Ltd | Manufacture of artificial dental root |
| US20040241614A1 (en) * | 1998-04-13 | 2004-12-02 | Goldberg A. Jon | Prefabricated components for dental appliances |
| US20060051723A1 (en) * | 2004-09-09 | 2006-03-09 | Morris Christopher J | Direct bridge |
| CN100370963C (en) * | 2005-12-15 | 2008-02-27 | 安泰科技股份有限公司 | Zirconium oxide full-porcelain dental repair material and its preparing method |
| FI20065465A0 (en) * | 2006-06-30 | 2006-06-30 | Stichtech Oy | Fiber-reinforced composites and processes for their production |
| CN100484508C (en) * | 2006-11-02 | 2009-05-06 | 温宁 | Novel dental zirconium oxide prosthesis and its preparing process |
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Inventor after: Zhang Ying Inventor after: Li Wenkui Inventor after: Ding Zhaozeng Inventor after: Chen Ying Inventor after: Zhang Nianwen Inventor before: Zhang Ying |
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Effective date of registration: 20160304 Address after: Shandong Province, Rizhao City Fuyang 276800 North Road West, South Patentee after: SHANDONG MAIER DENTAL MATERIALS CO., LTD. Address before: 264006 Building No. 2, Shangri-La garden, Fengtai Road, Yantai Development Zone, Shandong 1801, China Patentee before: Zhang Ying |
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Effective date of registration: 20220411 Address after: 276800 Room 101, office building, No. 299, Fuyang Road, high tech Zone, Rizhao City, Shandong Province Patentee after: Shandong Lisheng Medical Technology Co.,Ltd. Address before: 276800 West Fuyang Road and South Beiyuan 1st Road, Rizhao City, Shandong Province Patentee before: SHANDONG MAIER DENTAL MATERIAL CO.,LTD. |