Poly aryl ether ketone composite material and preparing method thereof

A polyaryletherketone and composite material technology, which is used in medical science, tissue regeneration, prosthesis, etc., can solve the problems of complex force direction and enhanced bending strength, and achieve consistent mechanical strength, suitable grinding performance, and polishability. suitable effect

Inactive Publication Date: 2017-12-01
陈明翠 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for fiber-reinforced materials, the material strength has a great relationship with the fiber direction. For oral restorations, the force direction is complex, and materials reinforced with a single fiber direction are difficult to meet the complex force requirements of the oral cavity; for inorganic filler reinforced materials, it can be increased The hardness of the material improves wear resistance, but is limited to the enhancement of bending strength

Method used

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  • Poly aryl ether ketone composite material and preparing method thereof
  • Poly aryl ether ketone composite material and preparing method thereof
  • Poly aryl ether ketone composite material and preparing method thereof

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preparation example Construction

[0026] Next, the preparation method of the polyaryletherketone composite material according to the second aspect of the present invention is described, which includes the steps of: (1) mixing polyaryletherketone powder and inorganic filler in a weight ratio of 100:5 to 40 to obtain a mixture (2) granulate the compound extruder, grind it into powder, and obtain the powder to be formed with a particle size of 1 to 9 μm; (3) powder spreading: pave the three-dimensional fiber net in the mold and spread the The powder to be formed is vibrated at a frequency of 100-5000 Hz for 10 minutes, so that the powder to be formed is filled in the pores of the three-dimensional fiber net to obtain the material to be pressed; (4) pre-press the material to be pressed with a pressure of 5-300MPa Exhaust, heat up to 150-250°C, keep the pressure at 10-20MPa, keep the pressure for 5-20 minutes, then raise the temperature to 350-450°C for sintering, keep the pressure at 2-10MPa, keep the pressure for ...

Embodiment 1

[0035] Mix zirconia powder with 10% silane coupling agent KH550 ethanol solution at a weight ratio of 2:1, mix at high speed for 10 minutes at 50°C, heat and dry in an oven at 120°C for 30 minutes, and obtain treated zirconia .

[0036] Soak the carbon fiber mesh in acetone for 10 hours, dry it in vacuum at 100°C for 10 minutes, then immerse it in a mixture of concentrated sulfuric acid and concentrated nitric acid with a weight ratio of 3:1 for 10 minutes, clean it with deionized water ultrasonic vibration for 10 minutes, and dry it in vacuum at 120°C for 30 minutes , to obtain a processed three-dimensional carbon fiber mesh.

[0037] Mix the treated polyether ether ketone powder and zirconia in a weight ratio of 100:20 to obtain a mixture, granulate with an extruder, and grind into powder to obtain a powder to be formed with a particle size of 1 μm; After the three-dimensional carbon fiber net, spread the powder to be formed, and vibrate at a frequency of 3000 Hz for 10 min...

Embodiment 2

[0039] Mix alumina powder with silane coupling agent KH550 ethanol solution with a content of 10%, the weight ratio is 2:1, mix at a high speed for 10 minutes at 50°C, heat and dry in an oven at 120°C for 30 minutes, and obtain treated alumina .

[0040] The three-dimensional glass fiber net is soaked in 10% KH550 ethanol solution for 1 hour, and vacuum-dried at 120° C. for 10 minutes to obtain a treated three-dimensional glass fiber net.

[0041] Mix polyether ketone ketone powder and treated alumina according to the weight ratio of 100:5 to obtain a mixture, extruder to granulate, grind into powder, and obtain a powder to be formed with a particle size of 9 μm; After the three-dimensional glass fiber mesh, spread the powder to be formed, and vibrate at a frequency of 100 Hz for 10 minutes to obtain a material to be pressed that is fully filled with the powder to be formed in the pores of the three-dimensional glass fiber mesh; After pressing the material, raise the temperat...

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Abstract

The invention provides a poly aryl ether ketone composite material and a preparing method thereof. The poly aryl ether ketone composite material comprises poly aryl ether ketone resin, three-dimensional fiber net and inorganic filler in the weight ratio of 100: 10-20: 5-40. The preparing method for the poly aryl ether ketone composite material comprises the steps of mixing, powdering, laying powder, pressing for molding and annealing. Another preparing method for the poly aryl ether ketone composite material comprises mixing, granulating, film forming, pressing, annealing and other steps. According to the poly aryl ether ketone composite material and the preparing method thereof, the poly aryl ether ketone matrix resin is synergistically strengthened in the three-dimensional direction by using the three-dimensional fiber net and the inorganic filler, and the prepared composite material has the same mechanical strength in all directions and the flexural strength is greater than 200Mpa, so that the complicated stress condition of teeth can be met, and thermal expansion coefficient, hardness, abrasion resistance, machinability, grinding performance and polishing performance are relatively suitable, the poly aryl ether ketone composite material is a high strength non-metallic dental restoration material; and no extra processing additives are need to be added in the preparing process, and biocompatibility is good.

Description

technical field [0001] The invention belongs to the technical field of oral medical devices, and more specifically relates to a polyaryletherketone composite material and a preparation method thereof. Background technique [0002] As the population ages, many people have chipped teeth, chipped or missing dentition. For tooth defects and dentition defects, metal crowns and bridges, gold-ceramic crowns and all-ceramic crowns and bridges are often used for fixed restorations, or metal brackets for removable dentures. However, metal-containing restorations will affect MRI imaging during dental examinations. Second, many patients are allergic to metals, which limits the use of metal materials. For metal-free all-ceramic fixed restorations, glass ceramics cannot be used due to insufficient strength. Restoration of posterior teeth and bridges; for high-strength zirconia all-ceramic restorations, because they are too hard, they will seriously wear out the natural teeth that occlude...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L27/02A61L27/12A61L27/18A61L27/50
CPCA61L27/025A61L27/12A61L27/18A61L27/50A61L2430/12C08L61/16C08L71/00
Inventor 陈明翠刘桂玲马本升马本惠韩振华
Owner 陈明翠
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