CN103087468A - Polyether-ether-ketone composite material with high heat resistance and high wear resistance and preparation process thereof - Google Patents
Polyether-ether-ketone composite material with high heat resistance and high wear resistance and preparation process thereof Download PDFInfo
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- CN103087468A CN103087468A CN2011103473380A CN201110347338A CN103087468A CN 103087468 A CN103087468 A CN 103087468A CN 2011103473380 A CN2011103473380 A CN 2011103473380A CN 201110347338 A CN201110347338 A CN 201110347338A CN 103087468 A CN103087468 A CN 103087468A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a polyether-ether-ketone (PEEK) composite material with high heat resistance and high wear resistance and a preparation process thereof. For preparation of the composite material, PEEK, a carbon-graphite fiber and polytetrafluoroethylene (PTFE) are used as main raw materials, and a proper amount of a coupling agent and other processing aids are added, wherein PEEK accounts for 20 to 85 parts, the carbon-graphite fiber 10 to 50 parts, PTFE 5 to 30 parts, the coupling agent 1 to 3 parts and the other processing aids 1 to 3 parts. The raw materials with desired proportion are weighed and then blended and extruded on a double-screw extruder. The PEEK composite material provided by the invention has excellent physical, mechanical, thermal and chemical performances and the like, a better vibration damping effect compared to aluminum and steel, a low friction coefficient and excellent lubrication characteristics, so the PEEK composite material is extensively applied in fields like the aerospace industry, the mechanical industry and the automobile industry. Furthermore, the double-screw extrusion preparation process is easy to control, has high production efficiency, produces stable-quality products and is suitable for industrial production.
Description
Technical field
The invention discloses a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material and preparation technology thereof.Be specifically related to a kind of be applied to high precision, high heat-resisting, wear-resistant, antifatigue, creep resistance requirement, as the polyether-ether-ketone composite material in the fields such as space flight and aviation, mechanical industry, automobile.
Technical background
Polyether-ether-ketone (PEEK) is a kind of thermoplastic engineering plastic of all aromatic hemicrystalline, has the excellent over-all properties such as high heat resistance, erosion resistance, high-fracture toughness, high strength, high-modulus.In addition, PEEK has fabulous erosion resistance; Good toughness is the most outstanding in plastics to the good resistance to fatigue of pulsating stress; Frictional behaviour is outstanding, and frictional coefficient is low, and supporting capacity and wear resistance are good, can use under the harsh and unforgiving environments such as unlubricated, high temperature, humidity, corrosion; PEEK also has the characteristics such as insulation, hydrolysis, capability of resistance to radiation be strong, has widely at many engineering fields and uses.
PEEK has very excellent over-all properties, but single PEEK resin still is difficult to satisfy different service requirementss, at present, blending and modifying fiber-reinforced modified to being modified as of PEEK, the method such as filling-modified.Traditional fiber-reinforced modified PEEK is that glass strengthens PEEK, the fine PEEK of enhancing of carbon and glass and the fine methods such as strengthening PEEK of mixing of carbon, and all can improve to a certain extent mechanical property and the frictional behaviour of PEEK.The method of blend and filling-modified PE EK has a lot, and the PTFE frictional coefficient is very little, has good self-lubricating property, but wear-resistant ability, PEEK/PTFE optimizes blend can obtain better friction and wear behavior.The fiber enhancer that the present invention adopts is the high-performance carbon-graphite fiber, this fiber has outstanding characteristic than glass and carbon fibre, as high-modulus, high strength, high conductivity, low density, low thermal coefficient of expansion, low friction coefficient and to most of envrionment conditionss and chemical reagent satisfactory stability etc., make its most potential surrogate that becomes metal.So matrix material of the present invention not only has the performances such as very excellent physics, machinery, heat, chemistry, and have than aluminium and the better damping effect of steel, simultaneously, frictional coefficient is low, the dry lubrication characteristic good, receive much concern and pay attention to, make it to be widely used in the fields such as space flight and aviation, mechanical industry, automotive industry, be specially adapted to make excellent unlubricated bearing.
Summary of the invention
The present invention strengthens in order to solve traditional carbon fiber some problems that exist in the PEEK product, has proposed a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material and preparation technology thereof.Technical scheme of the present invention is PEEK, 20～85 parts; Carbon-graphite fiber, 10～50 parts; PTFE, 5～30 parts; Coupling agent, 1～3 part; Other processing aids, 1～3 part.
Its second-order transition temperature of described polyether-ether-ketone resin is 200～240 ℃, and limiting viscosity is 1～5.Described carbon-graphite fiber is high-performance fiber, tensile strength 3500～5000MPa, tensile modulus 500～900GPa.Described PTFE is ultra-fine polytetrafluoroethylene powder, apparent density 0.4-0.6g/ml, median size 30-40 μ m.Described coupling agent is sulfonated polyether-ether-ketone (SPEEK), has the structure similar to polyether-ether-ketone, and sulfonation degree is 60～80%.
A kind of high heat-resisting, high abrasion polyether-ether-ketone composite material of the present invention and preparation technology thereof are as follows:
The process of surface treatment of carbon-graphite fiber is one or more in sulfonated polyether-ether-ketone method, nitric acid normal temperature facture, nitration mixture ultrasonic oxidation method and high temperature nitric acid immersion method.The process of surface treatment of PEEK is one or more of argon plasma method, oxygen plasma method or laser method.Adopt PTFE to fill and carbon-graphite fiber enhancing PEEK, at first PEEK resin, PTFE, coupling agent and processing aid is even in high-speed mixer and mixing, join in twin screw extruder, and the carbon-graphite fiber after surface treatment is added entrance from specialty add, carry out mixing, extrude, cooling, pelletizing, get the cylindrical pellet product.Extrude barrel temperature: 330～360 ℃ of back segments, 350～380 ℃, stage casing, 360～400 ℃ of leading portions, screw slenderness ratio 15～25, screw speed 200～800r/min.
Matrix material of the present invention is to adopt PTFE to fill and carbon-graphite fiber enhancing PEEK.Add PTFE can reduce frictional coefficient in PEEK, but can cause the decline of mechanical property, cause to be restricted bearing under the hot environment of certain load to use; Glass strengthens the compressive strength that PEEK can improve material, but friction and wear behavior not be improved significantly; The fine PEEK of enhancing of carbon strengthens PEEK than glass and has higher mechanical property and friction and wear behavior, but material of the present invention adopts the high-performance carbon-graphite fiber to strengthen, the performances such as physics, machinery, heat, chemistry are all higher, and this is because tensile strength and the tensile modulus of high-performance carbon-graphite fiber are all high than the carbon fibre.So prepared PEEK composite material combination property excellence, especially thermotolerance, wear resistance, fatigue resistance, the creep resistance of the present invention given prominence to, and is suitable for producing high quality, high-tech content product.
Embodiment:
The present invention is described in more detail below in conjunction with specific embodiment, but the present invention is not limited to each example of following enforcement:
Present embodiment is doubly grand twin screw extruder and sea day injection moulding machine of use section all; Main raw material is mainly the import material, and PEEK originates in Britain ICI company, and carbon-graphite fiber originates in U.S. Celanese Corp., and PTFE originates in Daikin Industrial Co., Ltd, and other processing aids are domestic.
A kind of high heat-resisting, high abrasion polyether-ether-ketone composite material of the present invention and preparation technology thereof are as follows: the process of surface treatment of carbon-graphite fiber is one or more in sulfonated polyether-ether-ketone method, nitric acid normal temperature facture, nitration mixture ultrasonic oxidation method and high temperature nitric acid immersion method.The process of surface treatment of PEEK is one or more of argon plasma method, oxygen plasma method or laser method.Adopt PTFE to fill and carbon-graphite fiber enhancing PEEK, at first PEEK resin, PTFE, coupling agent and processing aid is even in high-speed mixer and mixing, join in twin screw extruder, and the carbon-graphite fiber after surface treatment is added entrance from specialty add, carry out mixing, extrude, cooling, pelletizing, get the cylindrical pellet product.Extrude barrel temperature: 330～360 ℃ of back segments, 350～380 ℃, stage casing, 360～400 ℃ of leading portions, screw slenderness ratio 15～25, screw speed 200～800r/min.
The PEEK matrix material of gained in various embodiments of the present invention is injection molded into test bars by following injecting condition, injecting condition: 350～450 ℃ of injection temperatures, 150～200 ℃ of die temperatures, injection pressure 1200～1800Kg/cm
2, keep to press 600～1000, injection speed is middling speed～at a high speed.
Each embodiment physicals is all tested by DIN, China's national standard and American National Standard, and concrete examination criteria is as follows:
The formula that each embodiment of table 1 is corresponding
The performance test results of each embodiment of table 2
As can be seen from Table 2, increase along with PTFE content, the rubbing factor of PEEK matrix material also reduces thereupon, but its polishing scratch width is that friction and wear behavior is not significantly improved, simultaneously the mechanical property of PEEK matrix material and heat-drawn wire also descend thereupon, thus PTFE content between 15～20% the time over-all propertieies such as mechanical property, thermal characteristics, friction and wear behavior best.Increase along with carbon-graphite fiber content; the mechanical property of PEEK matrix material; especially intensity, modulus and heat-drawn wire are significantly improved; friction and wear behavior also is significantly improved; this is because carbon-graphite fiber is a kind of high strength, high-modulus, high heat-resisting contour performance fibers; and the reinforcing effect of carbon-graphite fiber has been offset the thermal softening of PEEK and has been formed the very high transfer film of intensity and effectively protected contact area, so the frictional coefficient of PEEK matrix material and wear rate obviously reduce.Matrix material of the present invention adopts PTFE to fill simultaneously and carbon-graphite fiber strengthens PEEK, make PEEK composite material combination property of the present invention excellent, especially thermotolerance, wear resistance, fatigue resistance, creep resistance are given prominence to, being suitable for producing high quality, high-tech content product, is a kind of matrix material that has very much market potential.
Claims (9)
1. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof.It is characterized in that the performances such as high specific strength, high ratio modulus, antifatigue, its component and content are as follows: PEEK, 20～85 parts; Carbon-graphite fiber, 10～50 parts; PTFE, 5～30 parts; Coupling agent, 1～3 part; Other processing aids, 1～3 part.
2. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, is characterized in that its second-order transition temperature of described polyether-ether-ketone resin is 200～240 ℃, and limiting viscosity is 1～5.
3. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, is characterized in that described carbon-graphite fiber is high-performance fiber, tensile strength 3500～5000MPa, tensile modulus 500～900GPa.
4. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, is characterized in that described PTFE is ultra-fine polytetrafluoroethylene powder, apparent density 0.4-0.6g/ml, median size 30-40 μ m.
5. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, it is characterized in that described coupling agent is sulfonated polyether-ether-ketone (SPEEK), have the structure similar to polyether-ether-ketone, sulfonation degree is 60～80%.
6. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, the process of surface treatment that it is characterized in that carbon-graphite fiber is one or more in sulfonated polyether-ether-ketone method, nitric acid normal temperature facture, nitration mixture ultrasonic oxidation method and high temperature nitric acid immersion method.
7. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, the process of surface treatment that it is characterized in that PEEK is one or more of argon plasma method, oxygen plasma method or laser method.
8. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, it is characterized in that adopting PTFE to fill and carbon-graphite fiber enhancing PEEK, at first PEEK resin, PTFE, coupling agent and processing aid is even in high-speed mixer and mixing, join in twin screw extruder, and the carbon-graphite fiber after surface treatment is added entrance from specialty add, carry out mixing, extrude, cooling, pelletizing, get the cylindrical pellet product.
9. a kind of high heat-resisting, high abrasion polyether-ether-ketone composite material according to claim 1 and preparation technology thereof, it is characterized in that: extrude barrel temperature: 330～360 ℃ of back segments, 350～380 ℃, stage casing, 360～400 ℃ of leading portions, screw slenderness ratio 15～25, screw speed 200～800r/min.
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| CN2011103473380A CN103087468A (en) | 2011-11-07 | 2011-11-07 | Polyether-ether-ketone composite material with high heat resistance and high wear resistance and preparation process thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017326A (en) * | 2014-06-20 | 2014-09-03 | 江苏兆鋆新材料股份有限公司 | Shock-absorbing abrasion-proof composite material and preparation method thereof |
| CN105524413A (en) * | 2015-11-03 | 2016-04-27 | 南京肯特复合材料有限公司 | Antistatic PEEK/PTFE composite material and preparation method thereof |
| CN105602190A (en) * | 2016-02-03 | 2016-05-25 | 黑龙江鑫达企业集团有限公司 | Friction-resistant PEEK (polyetheretherketone) composite material and preparation method thereof |
| CN107541011A (en) * | 2017-08-16 | 2018-01-05 | 宜宾天原集团股份有限公司 | A kind of high-performance polyether-ether-ketone composite material formula and preparation method thereof |
| CN107880523A (en) * | 2017-12-22 | 2018-04-06 | 山东凯盛新材料股份有限公司 | PEKK/fusible fluoroplastic alloy and preparation method thereof |
| CN108129826A (en) * | 2017-12-22 | 2018-06-08 | 山东凯盛新材料股份有限公司 | Polyether ketone ketone composite material of alternative metal and preparation method thereof |
| CN109135174A (en) * | 2017-06-16 | 2019-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof |
| CN110669311A (en) * | 2019-10-18 | 2020-01-10 | 吉林大学 | High-thermal-conductivity carbon fiber/polyether-ether-ketone electromagnetic shielding composite material |
| CN110669310A (en) * | 2019-10-18 | 2020-01-10 | 吉林大学 | High-thermal-conductivity polyether-ether-ketone electromagnetic shielding composite material and preparation method thereof |
| CN113024993A (en) * | 2021-03-24 | 2021-06-25 | 广州机械科学研究院有限公司 | Polyether-ether-ketone composite material and preparation method and application thereof |
| CN114181493A (en) * | 2021-12-16 | 2022-03-15 | 江苏君华特种工程塑料制品有限公司 | PEEK-based composite material with low abrasion and high comprehensive performance and preparation method thereof |
| CN115678269A (en) * | 2022-09-30 | 2023-02-03 | 珠海万通特种工程塑料有限公司 | Polyamide composition and preparation method and application thereof |
| CN114181493B (en) * | 2021-12-16 | 2024-04-19 | 江苏君华特种高分子材料股份有限公司 | PEEK-based composite material with low abrasion and high comprehensive performance and preparation method thereof |
-
2011
- 2011-11-07 CN CN2011103473380A patent/CN103087468A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017326A (en) * | 2014-06-20 | 2014-09-03 | 江苏兆鋆新材料股份有限公司 | Shock-absorbing abrasion-proof composite material and preparation method thereof |
| CN105524413A (en) * | 2015-11-03 | 2016-04-27 | 南京肯特复合材料有限公司 | Antistatic PEEK/PTFE composite material and preparation method thereof |
| CN105602190A (en) * | 2016-02-03 | 2016-05-25 | 黑龙江鑫达企业集团有限公司 | Friction-resistant PEEK (polyetheretherketone) composite material and preparation method thereof |
| CN109135174A (en) * | 2017-06-16 | 2019-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof |
| CN107541011A (en) * | 2017-08-16 | 2018-01-05 | 宜宾天原集团股份有限公司 | A kind of high-performance polyether-ether-ketone composite material formula and preparation method thereof |
| CN108129826A (en) * | 2017-12-22 | 2018-06-08 | 山东凯盛新材料股份有限公司 | Polyether ketone ketone composite material of alternative metal and preparation method thereof |
| CN107880523A (en) * | 2017-12-22 | 2018-04-06 | 山东凯盛新材料股份有限公司 | PEKK/fusible fluoroplastic alloy and preparation method thereof |
| CN107880523B (en) * | 2017-12-22 | 2020-04-21 | 山东凯盛新材料股份有限公司 | Polyether ketone/fusible fluoroplastic alloy and preparation method thereof |
| CN110669311A (en) * | 2019-10-18 | 2020-01-10 | 吉林大学 | High-thermal-conductivity carbon fiber/polyether-ether-ketone electromagnetic shielding composite material |
| CN110669310A (en) * | 2019-10-18 | 2020-01-10 | 吉林大学 | High-thermal-conductivity polyether-ether-ketone electromagnetic shielding composite material and preparation method thereof |
| CN110669310B (en) * | 2019-10-18 | 2021-06-08 | 吉林大学 | High-thermal-conductivity polyether-ether-ketone electromagnetic shielding composite material and preparation method thereof |
| CN113024993A (en) * | 2021-03-24 | 2021-06-25 | 广州机械科学研究院有限公司 | Polyether-ether-ketone composite material and preparation method and application thereof |
| CN114181493A (en) * | 2021-12-16 | 2022-03-15 | 江苏君华特种工程塑料制品有限公司 | PEEK-based composite material with low abrasion and high comprehensive performance and preparation method thereof |
| CN114181493B (en) * | 2021-12-16 | 2024-04-19 | 江苏君华特种高分子材料股份有限公司 | PEEK-based composite material with low abrasion and high comprehensive performance and preparation method thereof |
| CN115678269A (en) * | 2022-09-30 | 2023-02-03 | 珠海万通特种工程塑料有限公司 | Polyamide composition and preparation method and application thereof |
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