CN105733182A - Method for preparing high-performance polyetheretherketone/carbon fiber composite material - Google Patents
Method for preparing high-performance polyetheretherketone/carbon fiber composite material Download PDFInfo
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- CN105733182A CN105733182A CN201410747379.2A CN201410747379A CN105733182A CN 105733182 A CN105733182 A CN 105733182A CN 201410747379 A CN201410747379 A CN 201410747379A CN 105733182 A CN105733182 A CN 105733182A
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Abstract
The invention relates to a method for preparing a high-performance polyetheretherketone/carbon fiber composite material. The polyetheretherketone/carbon fiber (PEEK/CF) composite material is prepared by a melt blending method. The PEEK/CF composite material is prepared from the following ingredients (in parts by mass): 60-100 parts of PEEK, 1-40 parts of carbon fibers and 1-3 parts of high-temperature lubricant, wherein matrix PEEK resin and the high-temperature lubricant are uniformly mixed by a high-speed mixer, and the carbon fibers are added through a fiber feeding port of a twin-screw extruder. According to the method, the materials are readily available, and the production process is simple; when the mass percent of the carbon fibers is 20%, the tensile strength of the PEEK/CF composite material is improved by 90% compared with that of pure PEEK materials, the shear strength is improved by 55%, the flexural strength is improved by about 65%, and the thermal deformation temperature is increased by 70 DEG C or more, so that the disadvantages, i.e., high brittleness, poor shearing performance and low thermal deformation temperature of PEEK are effectively improved; and the prepared PEEK/CF composite material is applied to components and parts in the fields of aeronautics and astronautics, ship power and the like and has a good application effect.
Description
Technical field
The invention belongs to special engineering plastics field, the preparation method being specifically related to a kind of polyether-ether-ketone/carbon fibre composite.Polyether-ether-ketone/carbon fibre composite of the present invention, account for the percentage composition (60～100) of matrix by polyether-ether-ketone, the percentage composition (1～40 part) accounting for matrix of carbon fiber, high-temperature lubricant WGP account for the percentage composition (1～3 part) of matrix, then in double screw extruder, prepare by controlling each section of temperature of twin-screw extruder barrel.The present invention can so that polyether-ether-ketone/carbon fibre composite has higher intensity, modulus and polyether-ether-ketone and has identical processing temperature and the better characteristic such as dimensional stability by adding a small amount of high-temperature lubricant WGP (1～3 part) and carbon fiber, carbon fiber has and is combined with polyether-ether-ketone easily, can make it have higher heat distortion temperature and less shrinkage factor after the advantage such as good insulation preformance, impact property and good compression property and polyether-ether-ketone compound, therefore can better be applied in the fields such as space flight and aviation, automobile, high ferro.
Background technology
Polyether-ether-ketone is very-high performance thermoplastic semi-crystalline's type engineering plastics that a kind of good mechanical performance, chemical proofing, heat-resisting quantity, radiation resistance, hydrolytic resistance, abrasion performance and cleanliness factor are high.As a kind of high-performance thermoplastic engineering plastics, polyether-ether-ketone Substitute For Partial traditional metal materials can be widely used in the fields such as automobile, Aero-Space, machinery equipment.Particularly in aerospace field, polyether-ether-ketone, owing to having high thermostability and low-density, replaces aluminum products gradually in the manufacture of some parts.Due to polyether-ether-ketone preparation difficulty, high performance polyether-ether-ketone can be prepared by domestic only minority scientific research institutions at present, therefore polyether-ether-ketone is expensive, and additionally polyether-ether-ketone exists the shortcomings such as goods fragility is big, cutting performance is poor；Carbon fiber have be combined with polyether-ether-ketone easily, the advantage such as good insulation preformance, impact property and good compression property, with can make it have higher heat distortion temperature and less shrinkage factor after polyether-ether-ketone compound, therefore there is important application prospect in the high-tech areas such as Aeronautics and Astronautics.Containing the phenyl ring of rigidity, submissive ehter bond and carbonyl on the macromolecular chain of high performance resin such as polyether-ether-ketone (PEEK), compound with regular structure, there is excellent mechanical performance, resistance to chemical attack, resistance to creep, radioprotective, resisting fatigue and significant heat stability, be space flight, aviation and the military requisite material of sophisticated technology.Carbon fiber (CF) has a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, corrosion-resistant, endurance, creep resistant, conduction, heat transfer and thermal coefficient of expansion be little, so countries in the world all using carbon fiber as being Developing Space, aviation and the military requisite new material of sophisticated technology, be also considered as the basic material that civilian industry updates.
Summary of the invention
A kind of high-performance poly ether ether ketone enhancing modified method provided for improving the performances such as high temperature resistant, the intensity of polyether-ether-ketone is provided.
Realizing the object of the invention technical solution is: polyether-ether-ketone toughening modifying method, by polyether-ether-ketone resin, high-temperature lubricant by mixing than row and drying, make the matrix moisture content of dried blend lower than 50ppm, carbon fiber adds fine mouth by extruder and adds, then adopt the method melt extruded that with carbon fiber, resin is prepared into blend, it is characterized in that the consumption of carbon fiber accounts for the 1～40% of blend matrix consumption, melt extrude temperature 350～370 DEG C.
Component and the components by weight percent number proportioning of a kind of high-performance poly ether ether ketone/carbon fibre composite be: polyether-ether-ketone 60～100 parts, 1～40 part of carbon fiber and high-temperature lubricant WGP1～3 part.
Described polyether-ether-ketone is prepared by the special engineering plastics Ministry of Education of Jilin University Engineering Research Center, its melt index 13g/10min
Described carbon fiber is: P100, diameter 10 ~ 15 μm, average length 100Lm, East Asia, Anshan carbon fiber company limited.
Described high-temperature lubricant is GENIO polyether-ether-ketone STPELLETS (WGP), white translucent cylindrical pellet, diameter is about 4ram, and length is about 4ram, Wa Ke company of Germany (Waeker) produces, and high-temperature lubricant accounts for the 0～3% of blend matrix.
Detailed description of the invention
Embodiment one
Weigh polyether-ether-ketone 89 parts
10 parts of carbon fiber
High-temperature lubricant 1 part
First it is placed in vacuum drying oven by polyether-ether-ketone, carbon fiber 100～120 DEG C of vacuum dryings 6～8 hours, and then removal moisture, dried polyether-ether-ketone is placed on high-temperature lubricant high-speed mixer and mixes 5～8 minutes, mixed material is joined in double screw extruder by hopper, carbon fiber adds through adding fine mouth, through melt blending extrude, air cooling dry, pelletize, homogenizing, wherein barrel temperature is set to: 330～370 DEG C.
Embodiment two
Weigh polyether-ether-ketone 79 parts
20 parts of carbon fiber
High-temperature lubricant 1 part
Process conditions are embodiment one such as
Embodiment three
Weigh polyether-ether-ketone 69 parts
30 parts of carbon fiber
High-temperature lubricant 1 part
Process conditions are embodiment one such as
Embodiment four
Weigh polyether-ether-ketone 59 parts
40 parts of carbon fiber
High-temperature lubricant 1 part
Process conditions are embodiment one such as
Embodiment five
Weigh polyether-ether-ketone 78 parts
20 parts of carbon fiber
High-temperature lubricant 2 parts
Process conditions are embodiment one such as
Embodiment six
Weigh polyether-ether-ketone 77 parts
20 parts of carbon fiber
High-temperature lubricant 3 parts
Process conditions are embodiment one such as
The performance test results
| Test event | Unit | Polyether-ether-ketone (pure) | Embodiment one | Embodiment two | Embodiment three | Embodiment four | Embodiment five | Embodiment six |
| Hot strength | MPa | 111.5 | 130.4 | 158.6 | 150.3 | 145.1 | 164.4 | 167.2 |
| Elongation at break | % | 29.8 | 10.6 | 84 | 4.9 | 3.3 | 7.5 | 7.4 |
| Bending strength | MPa | 181.8 | 199.6 | 231.4 | 233.4 | 134.7 | 232.5 | 231.6 |
| Bending modulus | GPa | 3.5 | 5.8 | 8.6 | 8.1 | 6.8 | 8.4 | 7.9 |
| Shear strength | % | 101.6 | 124.4 | 153.7 | 151.7 | 143.6 | 158.5 | 159.4 |
| Heat distortion temperature | ℃ | 151 | 196 | 217 | 222 | 208 | 220 | 224 |
Claims (6)
1. prepare high-performance poly ether ether ketone/carbon fibre composite method for one kind, it is by adding carbon fiber, high-temperature lubricant, with polyether-ether-ketone blending, prepare polyether-ether-ketone/carbon fibre composite, a kind of polyether-ether-ketone enhancing modified method provided for improving the performances such as polyether-ether-ketone thermostability, intensity is provided.
2. the component of high-performance poly breast ether ether ketone/carbon fibre composite and components by weight percent number proportioning are: polyether-ether-ketone 60～100 parts, 1～40 part of carbon fiber and high-temperature lubricant WGP1～3 part.
3. the polyalkylene polyether ether ketone resin according to patent requirements 1, is prepared by the special engineering plastics Ministry of Education of Jilin University Engineering Research Center, its melt index 13g/10min.
4. the high-temperature lubricant according to patent requirements 1 is GENIO polyether-ether-ketone STPELLETS (WGP), white translucent cylindrical pellet, diameter is about 4ram, length is about 4ram, Wa Ke company of Germany (Waeker) produces, and high-temperature lubricant accounts for the 0～3% of blend matrix.
5. the carbon fiber according to patent requirements 1: P100, diameter 10 ~ 15 μm, average length 100Lm, East Asia, Anshan carbon fiber company limited.
6. a kind of enhancing modified method according to patent requirements 1 is: by polyether-ether-ketone resin, carbon fiber dries, temperature 100～120 DEG C, time 6～8h, time dry, the overlay thickness of material is not more than 25mm, dry polyether-ether-ketone should come into operation as early as possible or seal preservation, prevent moisture absorption again, avoid repeating to dry as far as possible, then the method melt extruded is adopted, carbon fiber adds by adding fine mouth, blend is injection molded into master body, polyether-ether-ketone accounts for the 60～100% of blend matrix consumption, the consumption of carbon fiber accounts for the 1～40% of blend matrix consumption, melt extrude temperature 330～390 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747379.2A CN105733182A (en) | 2014-12-10 | 2014-12-10 | Method for preparing high-performance polyetheretherketone/carbon fiber composite material |
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| CN201410747379.2A CN105733182A (en) | 2014-12-10 | 2014-12-10 | Method for preparing high-performance polyetheretherketone/carbon fiber composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540856A (en) * | 2017-08-16 | 2018-01-05 | 宜宾天原集团股份有限公司 | A kind of preparation method of the compound polyether-ether-ketone reinforcing material of carbon fiber |
| CN113908633A (en) * | 2021-10-25 | 2022-01-11 | 安徽欣创节能环保科技股份有限公司 | Low-resistance high-efficiency bag type dust collector based on high-strength filter bag |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102757635A (en) * | 2011-04-27 | 2012-10-31 | 合肥杰事杰新材料股份有限公司 | Polyether ether ketone composite material and preparation method thereof |
| CN102875966A (en) * | 2011-07-13 | 2013-01-16 | 黑龙江鑫达企业集团有限公司 | High-performance airplane empennage composite material and its preparation technology |
| CN103146134A (en) * | 2011-12-06 | 2013-06-12 | 黑龙江鑫达企业集团有限公司 | High strength and high heat-resistant glass fiber reinforced polyether ether ketone composite material and preparation method thereof |
-
2014
- 2014-12-10 CN CN201410747379.2A patent/CN105733182A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757635A (en) * | 2011-04-27 | 2012-10-31 | 合肥杰事杰新材料股份有限公司 | Polyether ether ketone composite material and preparation method thereof |
| CN102875966A (en) * | 2011-07-13 | 2013-01-16 | 黑龙江鑫达企业集团有限公司 | High-performance airplane empennage composite material and its preparation technology |
| CN103146134A (en) * | 2011-12-06 | 2013-06-12 | 黑龙江鑫达企业集团有限公司 | High strength and high heat-resistant glass fiber reinforced polyether ether ketone composite material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540856A (en) * | 2017-08-16 | 2018-01-05 | 宜宾天原集团股份有限公司 | A kind of preparation method of the compound polyether-ether-ketone reinforcing material of carbon fiber |
| CN113908633A (en) * | 2021-10-25 | 2022-01-11 | 安徽欣创节能环保科技股份有限公司 | Low-resistance high-efficiency bag type dust collector based on high-strength filter bag |
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