CN108478440A - A kind of wear-resisting adhesion fixed bridge dental material and preparation method thereof - Google Patents
A kind of wear-resisting adhesion fixed bridge dental material and preparation method thereof Download PDFInfo
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- CN108478440A CN108478440A CN201810296797.2A CN201810296797A CN108478440A CN 108478440 A CN108478440 A CN 108478440A CN 201810296797 A CN201810296797 A CN 201810296797A CN 108478440 A CN108478440 A CN 108478440A
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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
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- A61K6/71—Fillers
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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
- A61K6/71—Fillers
- A61K6/77—Glass
-
- 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
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/891—Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- A61K6/893—Polyurethanes
Abstract
The present invention provides a kind of wear-resisting adhesion fixed bridge dental materials and preparation method thereof, including following parts by weight of component to be prepared：37 59 parts of high density polyethylene (HDPE), 41 64 parts of polyurethanes, 8 17 parts of methacryloxypropyl dodecyl bromopyridine, 32 48 parts of inorganic filler, 16 parts of maleic anhydride grafted high density polyethylene, 38 parts of dispersant, 8 16 parts of styrene, 15 parts of plasticizer.The material wear-resistant performance that the present invention is prepared is good, and aesthetics is high.
Description
Technical field
The present invention relates to dental material field, more particularly to a kind of wear-resisting adhesion fixed bridge dental material and its preparation side
Method.
Background technology
Composite resin material has good biological safety, good color and luster and clinically-acceptable mechanical performance, because
This is widely applied to the directly or indirectly reparation for defect of teeth on clinical oral.Resin material flexible is not easy to take off
Fall, but there is also hardness it is low, easy to wear the problems such as.The addition of inorganic filler can be with the comprehensive performance of reinforcing material, but filler
Type, dosage and its dispersion performance in the substrate, can be affected to the performance of material.Using suitable surface modification side
Method and auxiliary agent can enable inorganic filler be formed in the substrate tightly packed, improve the mechanical strength of material.Dental problems are to suffering from
The physiology and psychology of person can all adversely affect, and dummy material can replace missing tooth, and patient is helped to restore normal
Masticatory function.But the material for differing too big with tooth color and luster can influence aesthetic measure, and therefore, it is necessary to focus on the outer of material prepared
See quality.Material wear-resistant performance provided by the invention is good, and aesthetics is high, and clinical application range is wide.
Invention content
Technical problems to be solved：
The intensity of dental material in the market, wear-resisting property is not ideal enough, and not beautiful enough.The object of the present invention is to provide one
Wear-resisting adhesion fixed bridge dental material of kind and preparation method thereof, the material being prepared is beautiful and tough and tensile, can fully meet
Clinical dental prosthetics need.
Technical solution：
The present invention provides a kind of wear-resisting adhesion fixed bridge dental materials, including following parts by weight of component to be prepared：
37-59 parts of high density polyethylene (HDPE),
41-64 parts of polyurethanes,
8-17 parts of methacryloxypropyl dodecyl bromopyridine,
32-48 parts of inorganic filler,
1-6 parts of maleic anhydride grafted high density polyethylene,
3-8 parts of dispersant,
8-16 parts of styrene,
1-5 parts of plasticizer.
Preferably, a kind of wear-resisting adhesion fixed bridge dental material, the inorganic filler is by glass powder and oxygen
Change zinc according to 1.5:1 mixes.
Preferably, the average grain diameter of the inorganic filler, the glass powder is 20nm, and the zinc oxide is averaged
Grain size is 60nm.
Preferably, a kind of wear-resisting adhesion fixed bridge dental material, the inorganic filler by following methods into
Row surface is modified：
By coupling agent, absolute ethyl alcohol and deionized water according to 1:2.2:1.3 are mixed into solution；By the inorganic filler of 40g in constant temperature
100 DEG C of dry 1.5h in drying box, are then added the ammonia spirit 50mL of 10wt%, and 1.5h, removal are reacted in 65 DEG C of constantly agitations
Redundant solution, then 100 DEG C of dry 1h in drying box；The coupling agent solution 50mL mixed is added, is stirred at 70 DEG C anti-
6h is answered, extra solution is then filtered into removal, in vacuum degree 0.08MPa, temperature is dried in vacuo under the conditions of being 90 DEG C by moisture
It completely removes, 30min is then heated at 120 DEG C up to the modified inorganic filler in surface.
Preferably, a kind of wear-resisting adhesion fixed bridge dental material, the dispersant are sorbitol anhydride Dan Yue
Cinnamic acid ester and fatty acid loss water sorbit ester are according to mass ratio 1:1 mixes.
Preferably, a kind of wear-resisting adhesion fixed bridge dental material, the plasticizer are epoxidized soybean oil.
The present invention also provides a kind of preparation methods of wear-resisting adhesion fixed bridge dental material, including following preparation to walk
Suddenly：
（1）37-59 parts of high density polyethylene (HDPE), 41-64 parts of polyurethanes, methacryloxypropyl dodecyl are taken by weight
8-17 parts of bromopyridine, 32-48 parts of inorganic filler, 1-6 parts of maleic anhydride grafted high density polyethylene, 3-8 parts of dispersant, styrene
8-16 parts, 1-5 parts of plasticizer are added in high-speed mixer and are uniformly mixed；
（2）By the material mixed on grinding machine high speed dispersion；
（3）Then material is subjected to ultrasonic disperse, heat treatment is taken out after dispersion；
（4）The material heated is cooled down, vacuumizes and pours into mold, extrusion forming is placed in drying in thermostatic drying chamber, then
Cooling and demolding to obtain the final product.
Preferably, the preparation method of a kind of wear-resisting adhesion fixed bridge dental material, including following preparation process：
（1）37-59 parts of high density polyethylene (HDPE), 41-64 parts of polyurethanes, methacryloxypropyl dodecyl are taken by weight
8-17 parts of bromopyridine, 32-48 parts of inorganic filler, 1-6 parts of maleic anhydride grafted high density polyethylene, 3-8 parts of dispersant, styrene
8-16 parts, 1-5 parts of plasticizer, are added in high-speed mixer and mix 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Advantageous effect：
The dental material that the present invention is prepared, close with tooth body colour pool, aesthetics is high, forms cemented retention with tooth body, reduces
Removing amount to tooth body and irritation to dental pulp can be reduced.The material that the present invention is prepared has excellent antibiotic property
Can, the damage of microorganism and its metabolite to tissue of tooth can be prevented, so as to reach better using effect.This hair
The bright material price being prepared is cheap, and production method is simple, filler ion can it is fully dispersed with base material in, it is each at point it
Between can cooperate with reinforcement, the dental material being prepared has excellent wear-resisting property, can resist larger Biting force, both beautiful
It is again tough and tensile, it can fully meet clinical dental prosthetics needs.
Specific implementation mode：
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit this hair in any way
It is bright.
The surface treatment method of inorganic filler is in embodiment 1-5 and comparative example 1-2：By silane resin acceptor kh-550, nothing
Water-ethanol and deionized water are according to 1:2.2:1.3 are mixed into solution；The inorganic filler of 40g is done for 100 DEG C in thermostatic drying chamber
Dry 1.5h, is then added the ammonia spirit 50mL of 10wt%, and 65 DEG C of constantly agitations react 1.5h, remove redundant solution, then exist
100 DEG C of dry 1h in drying box；The silane resin acceptor kh-550 solution 50mL mixed is added, 6h is stirred to react at 70 DEG C,
Then extra solution is filtered into removal, in vacuum degree 0.08MPa, temperature is dried in vacuo under the conditions of being 90 DEG C and goes moisture completely
It removes, 30min is then heated at 120 DEG C up to the modified inorganic filler in surface.
Embodiment 1
（1）59 parts of high density polyethylene (HDPE), 41 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
17 parts, 32 parts of inorganic filler, 6 parts of maleic anhydride grafted high density polyethylene, 8 parts of dispersant, 8 parts of styrene, epoxidized soybean oil 5
Part, it is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Embodiment 2
（1）37 parts of high density polyethylene (HDPE), 64 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
8 parts, 48 parts of inorganic filler, 1 part of maleic anhydride grafted high density polyethylene, 3 parts of dispersant, 16 parts of styrene, epoxidized soybean oil 1
Part, it is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Embodiment 3
（1）51 parts of high density polyethylene (HDPE), 48 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
15 parts, 37 parts of inorganic filler, 5 parts of maleic anhydride grafted high density polyethylene, 7 parts of dispersant, 10 parts of styrene, epoxidized soybean oil
It 4 parts, is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Embodiment 4
（1）44 parts of high density polyethylene (HDPE), 54 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
12 parts, 42 parts of inorganic filler, 2 parts of maleic anhydride grafted high density polyethylene, 4 parts of dispersant, 13 parts of styrene, epoxidized soybean oil
It 2 parts, is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Embodiment 5
（1）48 parts of high density polyethylene (HDPE), 50 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
13 parts, 39 parts of inorganic filler, 3 parts of maleic anhydride grafted high density polyethylene, 5 parts of dispersant, 11 parts of styrene, epoxidized soybean oil
It 3 parts, is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Comparative example 1
Difference lies in replace ZnOw with glass powder with embodiment 1 for this comparative example.Specifically：
（1）59 parts of high density polyethylene (HDPE), 41 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
17 parts, 32 parts of glass powder, 6 parts of maleic anhydride grafted high density polyethylene, 8 parts of dispersant, 8 parts of styrene, epoxidized soybean oil 5
Part, it is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
The average grain diameter of glass powder is 20nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Comparative example 2
That difference lies in dispersants is different for this comparative example and embodiment 1.Specifically：
（1）59 parts of high density polyethylene (HDPE), 41 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
17 parts, 32 parts of inorganic filler, 6 parts of maleic anhydride grafted high density polyethylene, 8 parts of sorbitanmonolaureate, styrene 8
Part, 5 parts of epoxidized soybean oil, are added in high-speed mixer and mix 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Comparative example 3
Difference lies in the surface modifying method of filler is different from embodiment 1 for this comparative example.Specifically：
（1）59 parts of high density polyethylene (HDPE), 41 parts of polyurethanes, methacryloxypropyl dodecyl bromopyridine are taken by weight
17 parts, 32 parts of inorganic filler, 6 parts of maleic anhydride grafted high density polyethylene, 8 parts of dispersant, 8 parts of styrene, epoxidized soybean oil 5
Part, it is added in high-speed mixer and mixes 50min；
（2）By the material mixed on grinding machine 3000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
Inorganic filler is by glass powder and zinc oxide according to 1.5:1 mixes, and wherein the average grain diameter of glass powder is 20nm,
The average grain diameter of zinc oxide is 60nm.
Dispersant is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
Inorganic filler surface be modified method be：By coupling agent, absolute ethyl alcohol and deionized water according to 1:2.2:1.3 mixing
At solution；By the inorganic filler of 40g in thermostatic drying chamber 100 DEG C of dry 1.5h, the coupling agent solution mixed is then added
50mL is stirred to react 6h at 70 DEG C, and extra solution is then filtered removal, and in vacuum degree 0.08MPa, temperature is 90 DEG C of conditions
Lower vacuum drying completely removes moisture, and 30min is then heated at 120 DEG C up to the modified inorganic filler in surface.
The material being prepared in embodiment 1-5 and comparative example 1-3 is tested for the property：
Density and appearance measure：The small cylinder of the mm of 12 mm × 15 during sample is processed into measures it using mass method is weighed
Density.
Hardness is detected with HX-1000 microhardness testers.
Wear testing：Wear test is carried out on polishing machine, and the front and back mass loss of abrasion, then root are measured with electronic balance
According to density conversion at volume.
Test result see the table below:
1 density of table and appearance test
2 Mechanics Performance Testing of table
Composite resin material easily causes plaque deposition, may cause secondary caries if serious, therefore the present invention is added to first
Base acryloyl-oxy dodecyl bromopyridine enables material to have good antibacterial property.It is found by test, dentistry material of the invention
Material can reach 95% or more to the bacteriostasis rate of Escherichia coli and S. caprophyls.When the density of material is excessively high, its appearance can be caused not
Good influence, therefore the dosage and type of filler should be focused on.The wear-resisting adhesion fixed bridge dentistry material that the present invention is prepared
The density of material may remain in suitable range, and smooth in appearance, and transparency is high.Dental material can be ground in oral cavity
Consumption, if inorganic filler and each auxiliary agent cannot well be disperseed in resin base material, will influence the synthesis of material
Performance, to influence using effect.The present invention has carried out a series of surface to inorganic filler using silane coupling agent and has been modified, and shows
Write the wetability and dispersibility for improving filler, to allow filler to be preferably uniformly dispersed in resin base material, strengthening material
The mechanical characteristic of material.It for the equal grain size of glass powder peace of 20nm is 60nm zinc oxide that the present invention, which uses average grain diameter, and the two can be with
Closely connection is formed in the substrate, and the reasonable employment with dispersant is modified by surface, keeps inorganic filler uniform
Dispersion, improve the hardness of material.
Claims (8)
1. a kind of wear-resisting adhesion fixed bridge dental material, which is characterized in that be prepared including following parts by weight of component：
37-59 parts of high density polyethylene (HDPE),
41-64 parts of polyurethanes,
8-17 parts of methacryloxypropyl dodecyl bromopyridine,
32-48 parts of inorganic filler,
1-6 parts of maleic anhydride grafted high density polyethylene,
3-8 parts of dispersant,
8-16 parts of styrene,
1-5 parts of plasticizer.
2. a kind of wear-resisting adhesion fixed bridge dental material according to claim 1, which is characterized in that described inorganic to fill out
Material is by glass powder and zinc oxide according to 1.5:1 mixes.
3. inorganic filler according to claim 2, which is characterized in that the average grain diameter of the glass powder is 20nm, institute
The average grain diameter for the zinc oxide stated is 60nm.
4. a kind of wear-resisting adhesion fixed bridge dental material according to claim 1, which is characterized in that described inorganic to fill out
Material carries out surface modification by following methods：
By coupling agent, absolute ethyl alcohol and deionized water according to 1:2.2:1.3 are mixed into solution；By the inorganic filler of 40g in constant temperature
100 DEG C of dry 1.5h in drying box, are then added the ammonia spirit 50mL of 10wt%, and 1.5h, removal are reacted in 65 DEG C of constantly agitations
Redundant solution, then 100 DEG C of dry 1h in drying box；The coupling agent solution 50mL mixed is added, is stirred at 70 DEG C anti-
6h is answered, extra solution is then filtered into removal, in vacuum degree 0.08MPa, temperature is dried in vacuo under the conditions of being 90 DEG C by moisture
It completely removes, 30min is then heated at 120 DEG C up to the modified inorganic filler in surface.
5. a kind of wear-resisting adhesion fixed bridge dental material according to claim 1, which is characterized in that the dispersant
It is sorbitanmonolaureate and fatty acid loss water sorbit ester according to mass ratio 1:1 mixes.
6. a kind of wear-resisting adhesion fixed bridge dental material according to claim 1, which is characterized in that the plasticizer
For epoxidized soybean oil.
7. a kind of preparation method of wear-resisting adhesion fixed bridge dental material, which is characterized in that including following preparation process：
（1）37-59 parts of high density polyethylene (HDPE), 41-64 parts of polyurethanes, methacryloxypropyl dodecyl are taken by weight
8-17 parts of bromopyridine, 32-48 parts of inorganic filler, 1-6 parts of maleic anhydride grafted high density polyethylene, 3-8 parts of dispersant, styrene
8-16 parts, 1-5 parts of plasticizer are added in high-speed mixer and are uniformly mixed；
（2）By the material mixed on grinding machine high speed dispersion；
（3）Then material is subjected to ultrasonic disperse, heat treatment is taken out after dispersion；
（4）The material heated is cooled down, vacuumizes and pours into mold, extrusion forming is placed in drying in thermostatic drying chamber, then
Cooling and demolding to obtain the final product.
8. a kind of preparation method of wear-resisting adhesion fixed bridge dental material according to claim 7, which is characterized in that packet
Include following preparation process：
（1）37-59 parts of high density polyethylene (HDPE), 41-64 parts of polyurethanes, methacryloxypropyl dodecyl are taken by weight
8-17 parts of bromopyridine, 32-48 parts of inorganic filler, 1-6 parts of maleic anhydride grafted high density polyethylene, 3-8 parts of dispersant, styrene
8-16 parts, 1-5 parts of plasticizer, are added in high-speed mixer and mix 50min；
（2）By the material mixed on grinding machine 3 000 r/min, 1 h of high speed dispersion；
（3）Then material is subjected to 20 min of ultrasonic disperse, takes out to be placed in 85 DEG C of water-baths after dispersion and heats 40min；
（4）The material heated is cooled to 30 DEG C, vacuumizes and pours into mold, extrusion forming is placed in 100 DEG C of thermostatic drying chambers
Middle dry 3h, then cooling and demolding to obtain the final product.
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|---|---|---|---|---|
| CN110256069A (en) * | 2019-06-25 | 2019-09-20 | 济南大学 | A kind of preparation method of photo curable 3D printing molding dyeing gear division zirconia ceramics slurry |
| CN110256069B (en) * | 2019-06-25 | 2021-11-30 | 济南大学 | Preparation method of photo-curable dyed dental zirconia ceramic slurry for 3D printing and forming |
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