CN106187175A - A kind of corrosion-resistant zirconia ceramics of artificial joint bulb - Google Patents

A kind of corrosion-resistant zirconia ceramics of artificial joint bulb Download PDF

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CN106187175A
CN106187175A CN201610553893.1A CN201610553893A CN106187175A CN 106187175 A CN106187175 A CN 106187175A CN 201610553893 A CN201610553893 A CN 201610553893A CN 106187175 A CN106187175 A CN 106187175A
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kaolin
linking agent
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zirconia ceramics
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不公告发明人
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Abstract

The invention discloses a kind of corrosion-resistant zirconia ceramics of artificial joint bulb, this pottery includes the raw material of following weight portion meter: zirconium oxide 100 ~ 120 parts, Kaolin 7 ~ 8 parts, magnesium oxide 10 ~ 15 parts, dioctyl sodium sulfosuccinate 20 ~ 30 parts, hydroxyapatite 10 ~ 20 parts, cross-linking agent 10 ~ 20 parts, initiator 5 ~ 9 parts.Its preparation method is: by zirconium oxide, Kaolin, magnesium oxide, dioctyl sodium sulfosuccinate, hydroxyapatite, cross-linking agent, initiator mix homogeneously, it is placed in the platinum crucible that mass content is 10 ~ 12% rhodiums, sealed crucible, maintain the temperature at 1200 ~ 1300 DEG C, reaction 2 ~ 3h, forward at once in annealing furnace at 200 ~ 300 DEG C of heat treatment 4 ~ 5h, be slowly cooled to room temperature,.The Kaolin of the present invention, magnesium oxide can form oligomer with zirconium oxide, to zirconium surface moistening, make granule be close to by surface tension and fill pore, acceleration of sintering, improve hardness and the decay resistance of pottery.

Description

A kind of corrosion-resistant zirconia ceramics of artificial joint bulb
Technical field
The present invention relates to biological technical field, particularly relate to a kind of corrosion-resistant zirconia ceramics and preparation method thereof.
Background technology
Zirconia ceramics (Zirconia Bioceramics) is the bio-inert ceramic with zirconium oxide as main component, its It is noteworthy characterized by and there is high-fracture toughness, high fracture strength and low elastic modulus.Zirconium oxide have high chemical stability and Heat stability (Tm=2953K), presents inertia in physiological environment, has good biocompatibility.Pure zirconia has three kinds Allotropy body, can occur crystal conversion (phase transformation) under certain condition.When bearing External Force Acting, its t m phase in opposite directions The process changed need to absorb higher energy, makes crack tip stress relaxation, increases crackle diffusional resistance and toughness reinforcing, thus has The highest fracture toughness.
The production requirement of zirconia ceramics prepare high-purity, dispersive property good, the powder body of particles ultra fine, narrow particle size distribution, oxygen The preparation method changing zirconium superfines is a lot, zirconic purification mainly have chlorination and thermal decomposition method, alkali metal oxidative decomposition process, Lime melting method, plasma arc process, the sedimentation method, colloid method, Hydrolyze method, spray pyrolysis etc..Powder process has co-precipitation Method, sol-gel method, evaporation, supercritical synthetic method, microemulsion method, the Hydrothermal Synthesis net of justice and vapour deposition process etc..
Comparing metal, zirconia ceramics is less with the friction factor of liner, and result of study shows zirconia ceramics and poly-four Wear rate between fluorothene is lower than the wear rate of Co-Cr-Mo alloy Yu politef 20 times, and simultaneous oxidation zirconium is owing to having height Intensity, high tenacity and high surface finish and nontoxic corrosion-resistant, the feature of stable chemical performance is it is considered to be prepare top load bar Under part, the preferable substitution material of artificial joint ball head, is a kind of material substituting people's bone, but in human body, is easily corroded.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of corrosion-resistant zirconia ceramics and preparation method thereof, resistance to human body Corrosion in body fluid performance is strong.
The present invention is by the following technical solutions:
Corrosion-resistant zirconia ceramics, including the raw material of following weight portion meter: zirconium oxide 100～120 parts, Kaolin 7～8 parts, oxygen Change magnesium 10～15 parts, dioctyl sodium sulfosuccinate 20～30 parts, hydroxyapatite 10～20 parts, cross-linking agent 10～20 parts, draw Send out agent 5～9 parts.
As preferably, the particle diameter of hydroxyapatite is 20～90 μm.
As preferably, cross-linking agent is N, N '-methylene-bisacrylamide or divinylbenzene or diisocyanate.
As preferably, initiator is azodiisobutyronitrile or Ammonium persulfate. or benzoyl peroxide.
The preparation method of above-mentioned corrosion-resistant zirconia ceramics, comprises the following steps: by zirconium oxide, Kaolin, magnesium oxide, amber Amber sodium dioctyl sulfo, hydroxyapatite, cross-linking agent, initiator mix homogeneously, being placed on mass content is 10～12% platinum of rhodium In gold crucible, sealed crucible, maintain the temperature at 1200～1300 DEG C, react 2～3h, forward annealing furnace at once to interior 200～300 DEG C heat treatment 4～5h, is slowly cooled to room temperature,.
As preferably, the rhodium mass content of platinum crucible is 11%.
The Kaolin of the present invention, magnesium oxide can form oligomer with zirconium oxide, to zirconium surface moistening, pass through surface Tension force makes granule be close to and fills pore, acceleration of sintering, improves hardness and the decay resistance of pottery.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described in detail.
Embodiment 1
Corrosion-resistant zirconia ceramics, including the raw material of following weight portion meter: zirconium oxide 100 parts, Kaolin 7 parts, magnesium oxide 10 parts, Dioctyl sodium sulfosuccinate 20 parts, hydroxyapatite 10 parts, cross-linking agent 10 parts, initiator 5 parts.
The particle diameter of hydroxyapatite is 20 μm.
Cross-linking agent is N, N '-methylene-bisacrylamide.
Initiator is azodiisobutyronitrile.
The preparation method of above-mentioned corrosion-resistant zirconia ceramics, comprises the following steps: by zirconium oxide, Kaolin, magnesium oxide, amber Amber sodium dioctyl sulfo, hydroxyapatite, cross-linking agent, initiator mix homogeneously, be placed on the platinum earthenware that mass content is 10% rhodium In crucible, sealed crucible, maintain the temperature at 1200 DEG C, react 2h, forward at once in annealing furnace at 200 DEG C of heat treatment 4h, the coldest But to room temperature,.
Embodiment 2
Corrosion-resistant zirconia ceramics, including the raw material of following weight portion meter: zirconium oxide 120 parts, Kaolin 8 parts, magnesium oxide 15 parts, Dioctyl sodium sulfosuccinate 30 parts, hydroxyapatite 20 parts, cross-linking agent 20 parts, initiator 9 parts.
The particle diameter of hydroxyapatite is 90 μm.
Cross-linking agent is diisocyanate.
Initiator is benzoyl peroxide.
The preparation method of above-mentioned corrosion-resistant zirconia ceramics, comprises the following steps: by zirconium oxide, Kaolin, magnesium oxide, amber Amber sodium dioctyl sulfo, hydroxyapatite, cross-linking agent, initiator mix homogeneously, be placed on the platinum earthenware that mass content is 12% rhodium In crucible, sealed crucible, maintain the temperature at 1300 DEG C, react 2h, forward at once in annealing furnace at 200 DEG C of heat treatment 4h, the coldest But to room temperature,.
Embodiment 3
Corrosion-resistant zirconia ceramics, including the raw material of following weight portion meter: zirconium oxide 110 parts, Kaolin 7.5 parts, magnesium oxide 12 Part, dioctyl sodium sulfosuccinate 25 parts, hydroxyapatite 15 parts, cross-linking agent 15 parts, initiator 7 parts.
The particle diameter of hydroxyapatite is 50 μm.
Cross-linking agent is divinylbenzene.
Initiator is Ammonium persulfate..
The preparation method of above-mentioned corrosion-resistant zirconia ceramics, comprises the following steps: by zirconium oxide, Kaolin, magnesium oxide, amber Amber sodium dioctyl sulfo, hydroxyapatite, cross-linking agent, initiator mix homogeneously, be placed on the platinum earthenware that mass content is 11% rhodium In crucible, sealed crucible, maintain the temperature at 1250 DEG C, react 2.5h, forward annealing furnace at once to interior at 250 DEG C of heat treatment 4.5h, slow Slow cool down to room temperature,.
Embodiment 4
Corrosion-resistant zirconia ceramics, including the raw material of following weight portion meter: zirconium oxide 108 parts, Kaolin 7.8 parts, magnesium oxide 14 Part, dioctyl sodium sulfosuccinate 28 parts, hydroxyapatite 12 parts, cross-linking agent 11 parts, initiator 8 parts.
The particle diameter of hydroxyapatite is 30 μm.
Cross-linking agent is divinylbenzene.
Initiator is benzoyl peroxide.
The preparation method of above-mentioned corrosion-resistant zirconia ceramics, comprises the following steps: by zirconium oxide, Kaolin, magnesium oxide, amber Amber sodium dioctyl sulfo, hydroxyapatite, cross-linking agent, initiator mix homogeneously, be placed on the platinum earthenware that mass content is 11% rhodium In crucible, sealed crucible, maintain the temperature at 1230 DEG C, react 2.3h, forward annealing furnace at once to interior at 230 DEG C of heat treatment 4.2h, slow Slow cool down to room temperature,.
Comparative example 1
Same as in Example 1, difference is, is not added with Kaolin and magnesium oxide.
Performance test
The pottery of embodiment 1～4 is carried out performance test, the results are shown in Table 1.
Table 1
Conclusion: the Kaolin of the present invention, magnesium oxide can form oligomer with zirconium oxide, to zirconium surface moistening, improves pottery The hardness of porcelain, hardness reaches more than 2000,
After the pottery of single zirconia ceramics and the present invention being placed in simulated body fluid immersion 7 days, observe ceramic surface.Single Zirconia ceramics surface be corroded, and the ceramic surface of the present invention is unchanged, illustrates that the present invention has good resistance to body fluid rotten Erosion performance.
The most several specific embodiments being only the application disclosed above, but the application is not limited to this, Ren Heben What the technical staff in field can think change, all should fall in the protection domain of the application.

Claims (1)

  1. The preparation method of the most corrosion-resistant zirconia ceramics, it is characterised in that zirconia ceramics includes the raw material of following weight portion meter: Zirconium oxide 100～120 parts, Kaolin 7～8 parts, magnesium oxide 10～15 parts, dioctyl sodium sulfosuccinate 20～30 parts, hydroxyl Apatite 10～20 parts, cross-linking agent 10～20 parts, initiator 5～9 parts；Cross-linking agent is divinylbenzene, and initiator is azo two Isopropyl cyanide；
    Described preparation method, comprises the following steps: by zirconium oxide, Kaolin, magnesium oxide, dioctyl sodium sulfosuccinate, hydroxyl Base apatite, cross-linking agent, initiator mix homogeneously, be placed on mass content be 10～12% rhodium platinum crucible in, sealed crucible, Maintain the temperature at 1200～1300 DEG C, react 2～3h, forward annealing furnace at once to interior at 200～300 DEG C of heat treatments 4～5h, slowly It is cooled to room temperature,.
CN201610553893.1A 2015-03-31 2015-03-31 A kind of corrosion-resistant zirconia ceramics of artificial joint bulb Pending CN106187175A (en)

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CN201610553968.6A Pending CN106187176A (en) 2015-03-31 2015-03-31 The corrosion-resistant zirconia ceramics of artificial joint bulb
CN201610553888.0A Pending CN106187173A (en) 2015-03-31 2015-03-31 A kind of artificial joint bulb corrosion-resistant zirconia ceramics and preparation method thereof
CN201610555663.9A Pending CN106187178A (en) 2015-03-31 2015-03-31 Artificial joint bulb corrosion-resistant zirconia ceramics and preparation method thereof
CN201610556020.6A Pending CN106167405A (en) 2015-03-31 2015-03-31 A kind of artificial joint bulb zirconia ceramics
CN201610553893.1A Pending CN106187175A (en) 2015-03-31 2015-03-31 A kind of corrosion-resistant zirconia ceramics of artificial joint bulb
CN201610553891.2A Pending CN106187174A (en) 2015-03-31 2015-03-31 The preparation method of artificial joint bulb zirconia ceramics
CN201610553879.1A Pending CN106242563A (en) 2015-03-31 2015-03-31 Corrosion-resistant zirconia ceramics and preparation method thereof
CN201510144988.3A Active CN104744036B (en) 2015-03-31 2015-03-31 Corrosion-resistant zirconia ceramics and preparation method thereof
CN201610553912.0A Pending CN106242564A (en) 2015-03-31 2015-03-31 Artificial joint bulb zirconia ceramics

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CN201610555663.9A Pending CN106187178A (en) 2015-03-31 2015-03-31 Artificial joint bulb corrosion-resistant zirconia ceramics and preparation method thereof
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