CN108159498A - A kind of preparation method of polyether-ether-ketone Biocomposite material - Google Patents
A kind of preparation method of polyether-ether-ketone Biocomposite material Download PDFInfo
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- 239000004696 Poly ether ether ketone Substances 0.000 title claims abstract description 58
- 229920002530 polyetherether ketone Polymers 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 50
- 239000011173 biocomposite Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 25
- 239000004917 carbon fiber Substances 0.000 claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000005453 pelletization Methods 0.000 claims abstract description 7
- 239000000155 melt Substances 0.000 claims abstract 2
- 238000012360 testing method Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000011056 performance test Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000010348 incorporation Methods 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 15
- 239000002270 dispersing agent Substances 0.000 abstract description 3
- 238000001727 in vivo Methods 0.000 abstract description 3
- 239000000560 biocompatible material Substances 0.000 abstract description 2
- 239000012744 reinforcing agent Substances 0.000 abstract description 2
- 239000012467 final product Substances 0.000 abstract 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 24
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 24
- 239000002131 composite material Substances 0.000 description 17
- 238000002513 implantation Methods 0.000 description 6
- 230000000278 osteoconductive effect Effects 0.000 description 6
- 235000013339 cereals Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000012620 biological material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
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- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
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- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
- A61L27/443—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with carbon fillers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
- A61L27/446—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
- A61L27/46—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with phosphorus-containing inorganic fillers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
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- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
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Abstract
The invention discloses a kind of preparation methods of polyether-ether-ketone Biocomposite material, include the following steps：(1) it stocks up：The raw material polyether-ether-ketone 70~85% of following mass percent, nano HA 5~15%, Nano-meter SiO_2 are provided21~5%, carbon fiber 5~24%；(2) it is dry：Raw material is dried to postcooling respectively to room temperature；(3) it mixes：The raw material that step (2) obtains is added in mixing machine and carries out mixing to obtain mixture；(4) and then mixture carries out melt pelletization using comminutor to obtain the final product.Polyether-ether-ketone Biocomposite material, the melt pelletization temperature are 375~390 DEG C.The present invention is using polyether-ether-ketone as base material, nano HA as biocompatible material, Nano-meter SiO_22As the polyether-ether-ketone Biocomposite material that dispersant, carbon fiber are prepared as mechanical property reinforcing agent, there is high intensity, high bioactivity and good biocompatibility；Load-bearing osseous tissue renovating material can be directly used as, mechanical property is good, not rapid wear, and effective time is long in vivo.
Description
Technical field
The invention belongs to biomedical materials field, especially a kind of polyether-ether-ketone biology being modified using nano HA is compound
Material.
Background technology
Polyether-ether-ketone (PEEK) is a kind of thermal plastic high polymer of semicrystalline, has very excellent stability and mechanics
Performance, it is non-toxic to humans.Polyether-ether-ketone belongs to aromatic polymer, 334 DEG C of fusing point, 134 DEG C of glass transition temperature, length
250 DEG C of phase heat resisting temperature has high, medium and low three kinds of range of viscosities.With temperature classification height, radiation hardness, endurance, it is corrosion-resistant,
The excellent comprehensive performance such as good stability of the dimension, high-modulus, high-fracture toughness, aerospace, electronic apparatus, communications and transportation,
Precision instrument manufacture etc. has very extensive application.The elasticity modulus of PEEK and the elasticity modulus of bone approach, and have
Excellent bio-compatibility, the chemical characteristic of stabilization and radioactive ray projectiveness, is clinically answered as orthopaedics implant
With.The PEEK polymer of medical grade is designated as " best long-term bony site implantation PEEK ", through United States food and drug administration guidelines
Verification, PEEK have typical medical performance, such as high-purity, good bio-compatibility.
Hydroxyapatite (HA) has very excellent biofacies as the important inorganic constituents in body bone tissue structure
Capacitive and osteoconductive are the hard tissue repairing materials of great potential.Size, composition, structure and the knot of artificial synthesized nano HA
Brilliant degree is all closely similar with the HA crystal in bone tissue, and the distinctive space structures of n-HA, small-size effect and surface chemistry can make
It is with stronger adsorptivity, hydrophily and very high chemical energy.Compared with common HA, n-HA has higher biology
Activity and osteoconductive.But HA itself is difficult to straight forming, and intensity is low, it is difficult to be directly used as load-bearing osseous tissue renovating material.
Both polyether-ether-ketone (PEEK) and nanometer hydroxyapatites (HA) recombination energy is integrated into its advantage, prepares composite wood
Material, but the composite material associativity of the two is poor, tension failure is generated on the two interface.It is multiple with the increase of HA contents
The brittleness of condensation material increases, and tensile strength and fatigue resistance continuously decrease.This material is such as applied to clinic, it may appear that implantation
The problems such as material mechanical performance is poor, rapid wear and internal effective time are short, easily brings secondary injury to patient.
Invention content
The technical problems to be solved by the invention are to provide a kind of preparation method of polyether-ether-ketone Biocomposite material, the party
After method is by multiple elements design modified polyetheretherketonefiber material, obtain high intensity, high bioactivity composite material.
The technical solution adopted by the present invention to solve the technical problems is：A kind of preparation of polyether-ether-ketone Biocomposite material
Method includes the following steps：
(1) it stocks up：The raw material of following mass percent is provided
Polyether-ether-ketone 70~85%,
Nano HA 5~15%,
Nano-meter SiO_221~5%,
Carbon fiber 5~24%；
(2) it is dry：Raw material is dried to postcooling respectively to room temperature, the drying condition is
Dry 110~120min at a temperature of 150~160 DEG C of polyether-ether-ketone,
Dry 140~150min at a temperature of 210~220 DEG C of nano HA,
Nano-meter SiO_22Dry 140~150min at a temperature of 200~210 DEG C,
Dry 115~120min at a temperature of 180~190 DEG C of carbon fiber；
(3) it mixes：The raw material that step (2) obtains is added in mixing machine and carries out mixing to obtain mixture, the mixing rate
For 1600~1800r/min, incorporation time is 30~40min；
(4) and then mixture carries out melt pelletization up to polyether-ether-ketone Biocomposite material, the melting using comminutor
Prilling temperature is 375~390 DEG C.
Preferably, the grain size of the raw material is respectively 15~20 μm of polyether-ether-ketone, 80~90nm of nano HA, Nano-meter SiO_22
40~50nm, 500 mesh of carbon fiber.
Preferably, head temperature is 370~375 DEG C when step (4) comminutor is granulated.
Further, the polyether-ether-ketone Biocomposite material input injection molding machine that step (4) obtains is molded to obtain just
In the test bars of performance test, the injection temperature is 380~390 DEG C, and injection machine mould temperature is 180~200 DEG C.
The beneficial effects of the invention are as follows：The present invention using polyether-ether-ketone as base material, nano HA as biocompatible material, receive
Rice SiO2As the polyether-ether-ketone Biocomposite material that dispersant, carbon fiber are prepared as mechanical property reinforcing agent, have high-strength
Degree, high bioactivity and good biocompatibility；Load-bearing osseous tissue renovating material can be directly used as, mechanical property is good, is not easy
Damage, effective time is long in vivo.
Specific embodiment
A kind of preparation method of polyether-ether-ketone Biocomposite material of the present invention, includes the following steps：
(1) it stocks up：The raw material of following mass percent is provided
Polyether-ether-ketone 70~85%, nano HA 5~15%, Nano-meter SiO_221~5%, carbon fiber 5~24%；The original
The grain size of material is respectively 15~20 μm of polyether-ether-ketone, 80~90nm of nano HA, Nano-meter SiO_2240~50nm, 500 mesh of carbon fiber,
Wherein carbon fiber is crossed 500 mesh sieve, extracting screen underflow by carbon fiber grain size for 500 mesh；Wherein 1~5% Nano-meter SiO_22In compound increasing
Main function in strong system is the effect of dispersant, using the apparent activation energy of silicon dioxide microparticle, promotes system dispersion equal
It is even, the agglomeration of additive is reduced, enhances the homogeneity of composite material；The addition of carbon fiber mainly changes compound system
Hardness, in this system after carbon fiber addition, composite material has raising by a relatively large margin in hardness, closer to the hard of people's bone
It spends, while also has the raising of certain amplitude in tensile strength；
(2) it is dry：Raw material is dried to postcooling respectively to room temperature, the drying condition is
110~120min is dried at a temperature of 150~160 DEG C of polyether-ether-ketone, is dried at a temperature of 210~220 DEG C of nano HA
140~150min, Nano-meter SiO_22140~150min is dried at a temperature of 200~210 DEG C, is done at a temperature of 180~190 DEG C of carbon fiber
Dry 115~120min；
(3) it mixes：The raw material that step (2) obtains is added in mixing machine and carries out mixing to obtain mixture, the mixing rate
For 1600~1800r/min, incorporation time is 30~40min；
(4) and then mixture carries out melt pelletization up to polyether-ether-ketone Biocomposite material, the melting using comminutor
Prilling temperature is 375~390 DEG C, and head temperature is 370~375 DEG C when comminutor is granulated.
(5) the polyether-ether-ketone Biocomposite material input injection molding machine that step (4) obtains is molded to obtain convenient for performance
The test bars of test, the injection temperature are 380~390 DEG C, and injection machine mould temperature is 180~200 DEG C.
With reference to embodiment, the present invention is further described.
The quality proportioning and grain size of 1 embodiment 1-6 of table
The raw material drying temperature and time of 2 embodiment 1-6 of table
By raw material polyether-ether-ketone, nano HA, the Nano-meter SiO_2 of Examples 1 to 62, carbon fiber be separately dried postcooling to normal
Then temperature adds in mixing machine, uses mixing rate as 1600~1800r/min, mix 30min；Mixture is put into again and is connected
Continuous extruding granulator carries out melt pelletization, is granulated 385 DEG C of melting temperature, 370 DEG C of comminutor head temperature；By what is obtained after granulation
Polyether-ether-ketone Biocomposite material input injection molding machine is molded to obtain the test bars convenient for performance test, and injection temperature is
390 DEG C, injection machine mould temperature is 195 DEG C.Then test bars are tested for the property.The results are shown in Table 3：
Polyether-ether-ketone Biocomposite material performance test obtained by 3 embodiment 1-6 of table
Wherein control group is unmodified polyetheretherketonematerials materials, it can be seen that compared with control group, polyethers ether produced by the present invention
Ketone Biocomposite material hardness and osteoconductive interfacial shearing stress all have significant improvement, and wherein osteoconductive interface is cut
Shearing stress is primarily referred to as, after material is implanted into body as implantation material in vitro, due to fortune between bone and bone, bone and soft tissue
Relative displacement or rotation caused by the reasons such as dynamic, impressed pressure, spin friction, in the case, external implantation material is to original bone
The conduction of the power of tissue and soft tissue is the support more intuitive physical characteristic of class implantation material.Gained of the invention
The osteoconductive interfacial shearing stress of polyether-ether-ketone Biocomposite material improves 40% or so compared with control group.
Evaluation of its biocompatibility is essential component part in biomaterial research.Biocompatibility refers to organism
To the aitiogenic a kind of performance of the activity or non-active material that implant.Typically refer to the phase between implantation material and host
Capacitive can be divided into the tissue phase same sex and blood compatibility according to the difference with human contact position.Biocompatibility includes biology
Two big principle of safety and Biofunctional.Biomaterial be applied to human body, be foreign matter for host, in vivo inherently with
Different degrees of reaction occurs for body.After testing, polyether-ether-ketone Biocomposite material Evaluation of Biocompatibility of the invention is 0
Grade, the characterization osteoconductive interfacial shearing stress of Biofunctional have increased significantly compared with pure polyetheretherketonematerials materials.
The experiment that the present invention is carried out：
Contrived experiment group 1~6, does not add Nano-meter SiO_22, carbon fiber, other raw material proportionings and processing parameter respectively with implementation
Example 1~6 is identical, and composite material is made, tests its performance, the results are shown in Table 4：
4 polyether-ether-ketone of table, nano HA composite material performance test
| Component | Tm(℃) | Tensile strength (MPa) | Hardness (HV) | Elongation at break (%) |
| Experimental group 1 | 336 | 91 | 16 | 22 |
| Experimental group 2 | 335 | 92 | 17 | 24 |
| Experimental group 3 | 336 | 89 | 17 | 23 |
| Experimental group 4 | 334 | 90 | 15 | 21 |
| Experimental group 5 | 334 | 91 | 18 | 19 |
| Experimental group 6 | 334 | 88 | 19 | 20 |
As shown in Table 4, polyether-ether-ketone and the composite material of nano HA, hardness, low strength, while elongation at break compared with
Greatly, illustrate that the composite materials property of polyether-ether-ketone and nano HA is partially soft, intensity is low.
First, Nano-meter SiO_22Influence of the addition to polyether-ether-ketone Biocomposite material
Contrived experiment group 1~6, system do not add carbon fiber, add in Nano-meter SiO_22, Nano-meter SiO_22At addition and items
It is identical with Examples 1 to 6 to manage parameter, composite material is made, tests its performance, the results are shown in Table 5：
Table 5 adds Nano-meter SiO_22Polyether-ether-ketone, nano HA composite material performance test
| Component | Tm(℃) | Tensile strength (MPa) | Hardness (HV) | Elongation at break (%) |
| Experimental group 1 | 335 | 95 | 24 | 3 |
| Experimental group 2 | 335 | 94 | 25 | 2 |
| Experimental group 3 | 334 | 94 | 26 | 3 |
| Experimental group 4 | 334 | 90 | 26 | 3 |
| Experimental group 5 | 336 | 92 | 26 | 3 |
| Experimental group 6 | 335 | 94 | 24 | 1 |
As can be seen from Table 5, the composite system addition Nano-meter SiO_2 of polyether-ether-ketone, nano HA2Afterwards, tensile strength and
Hardness increases, but elongation at break decline is larger, is primarily due to Nano-meter SiO_22Addition so that solid in system
Grain additive amount increases, while reduce the adhesion strength of system, causes material partially crisp.
2nd, influence of the addition of carbon fiber to polyether-ether-ketone Biocomposite material
Contrived experiment group 1~6, does not add Nano-meter SiO_22, add in carbon fiber, carbon fiber addition and every processing parameter
It is identical with Examples 1 to 6, composite material is made, tests its performance, the results are shown in Table 6：
The performance test of the polyether-ether-ketone of the addition carbon fiber of table 6, the composite material of nano HA
| Component | Tm(℃) | Tensile strength (MPa) | Hardness (HV) | Elongation at break (%) |
| Experimental group 1 | 338 | 112 | 21 | 13 |
| Experimental group 2 | 337 | 110 | 22 | 12 |
| Experimental group 3 | 341 | 109 | 23 | 13 |
| Experimental group 4 | 340 | 114 | 23 | 13 |
| Experimental group 5 | 339 | 111 | 21 | 13 |
| Experimental group 6 | 341 | 110 | 20 | 11 |
By table 6 as it can be seen that polyether-ether-ketone, nano HA composite system addition carbon fiber after, tensile strength is compared with polyethers ether
Ketone, nano HA and Nano-meter SiO_22, polyether-ether-ketone, nano HA system, it is very big to promote amplitude, and to be more than human body practical for the tensile strength
The intensity of bone when being matched with people's bone, can generate certain destruction by primary bone to human body.
To sum up, the carbon fiber in the present invention, Nano-meter SiO_22, polyether-ether-ketone, nano HA system prepare polyether-ether-ketone biology
For composite material, tensile strength, hardness, elongation at break etc. closest to the property of people's bone, composite material combination property is optimal, can
As load-bearing osseous tissue renovating material.
Claims (4)
1. a kind of preparation method of polyether-ether-ketone Biocomposite material, which is characterized in that include the following steps：
(1) it stocks up：The raw material of following mass percent is provided
Polyether-ether-ketone 70~85%,
Nano HA 5~15%,
Nano-meter SiO_221~5%,
Carbon fiber 5~24%；
(2) it is dry：Raw material is dried to postcooling respectively to room temperature, the drying condition is
Dry 110~120min at a temperature of 150~160 DEG C of polyether-ether-ketone,
Dry 140~150min at a temperature of 210~220 DEG C of nano HA,
Nano-meter SiO_22Dry 140~150min at a temperature of 200~210 DEG C,
Dry 115~120min at a temperature of 180~190 DEG C of carbon fiber；
(3) it mixes：The raw material that step (2) obtains is added in mixing machine and carries out mixing to obtain mixture, the mixing rate is
1600~1800r/min, incorporation time are 30~40min；
(4) and then mixture carries out melt pelletization up to polyether-ether-ketone Biocomposite material, the melt pelletization using comminutor
Temperature is 375~390 DEG C.
A kind of 2. preparation method of polyether-ether-ketone Biocomposite material according to claim 1, which is characterized in that the original
The grain size of material is respectively 15~20 μm of polyether-ether-ketone, 80~90nm of nano HA, Nano-meter SiO_2240~50nm, 500 mesh of carbon fiber.
A kind of 3. preparation method of polyether-ether-ketone Biocomposite material according to claim 1 or 2, which is characterized in that step
Suddenly head temperature is 370~375 DEG C when (4) comminutor is granulated.
4. the preparation method of a kind of polyether-ether-ketone Biocomposite material according to claim 1, which is characterized in that by step
(4) the polyether-ether-ketone Biocomposite material input injection molding machine obtained is molded to obtain the test bars convenient for performance test, institute
It is 380~390 DEG C to state injection temperature, and injection machine mould temperature is 180~200 DEG C.
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| CN112606456A (en) * | 2020-12-07 | 2021-04-06 | 张家港市友成高新材料有限公司 | Processing technology for adjustable extension joint of external fixing bracket for orthopedics department |
| CN112606456B (en) * | 2020-12-07 | 2023-05-23 | 张家港市友成高新材料有限公司 | Processing technology of adjustable extension joint of external fixing support for orthopaedics |
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