CN105524406B - Low temperature resistant wear-resisting PEEK/PTFE composites and preparation method thereof - Google Patents
Low temperature resistant wear-resisting PEEK/PTFE composites and preparation method thereof Download PDFInfo
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- CN105524406B CN105524406B CN201510736963.2A CN201510736963A CN105524406B CN 105524406 B CN105524406 B CN 105524406B CN 201510736963 A CN201510736963 A CN 201510736963A CN 105524406 B CN105524406 B CN 105524406B
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Abstract
The invention discloses a kind of low temperature resistant wear-resisting PEEK/PTFE composites, it is composed of the following raw materials by weight：70 parts of PEEK59；12 15 parts of PCTFE；Nanometer Al2O336 parts；15 20 parts of PTFE；Wherein described nanometer Al2O3Infiltrated by sulfonation PEEK, sulfonation PEEK sulfonation degree is 70 80.Also disclose its preparation method.The present invention adds PCTFE in PEEK, can improve its cryogenic property, be used for a long time in 100 60 DEG C of environment and keep toughness, prevent embrittlement, and nanometer Al is added in PEEK2O3PEEK anti-wear performance can be effectively improved with PTFE, its wear extent of relatively pure PEEK declines more than 50%, and the coefficient of friction of material declines to a great extent.Obtained PEEK composites are applied to the high ferro of extremely cold area.
Description
Technical field
The present invention relates to low temperature resistant wear-resisting PEEK/PTFE composites and preparation method thereof, belong to field of compound material.
Background technology
Polyether-ether-ketone (PEEK) is a kind of thermoplastic of all aromatic hemicrystalline of the exploitation eighties, due to PEEK
Macromolecular chain on contain rigid phenyl ring, flexible ether linkage and the carbonyl for improving intermolecular interaction, compound with regular structure, so have
The characteristics such as high temperature resistant, self-lubricating, easy processing, mechanical strength height.PEEK has good chemical proofing, anti-flammability, resistance to stripping
From performances such as property, hydrolytic resistance, fatigue durability, insulating properties, stability, high temperature resistants, also with good wearability.Because PEEK
The premium properties of material, the industrial circles such as space flight and aviation, automobile making, electric, medical and food have been widely applied to it.
In the high ferro of extremely cold area is built, the selection of sliding block material is very crucial, and sliding block material is not only very strong
Wearability, and need to keep certain toughness.PEEK materials performance under general low temperature is outstanding, but long-term place
Embrittlement can occur in less than -60 DEG C of low temperature environments.Therefore need to provide a kind of more resistant to cold new material.
The content of the invention
It is an object of the invention to provide a kind of low temperature resistant wear-resisting PEEK/PTFE composites, have good cold resistance and
Wearability, it can for a long time be used in -100--60 DEG C of environment and keep toughness.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of low temperature resistant wear-resisting PEEK/PTFE composite woods
Material, is composed of the following raw materials by weight：
PEEK 59-70 parts；
PCTFE 12-15 parts；
Nanometer Al2O33-6 parts；
PTFE 15-20 parts；
Wherein described nanometer Al2O3Infiltrated by sulfonation PEEK, sulfonation PEEK sulfonation degree is 70-80.
Preferably, the nanometer Al2O3Particle diameter is 10-20nm.
The invention also discloses the preparation method of above-mentioned low temperature resistant wear-resisting PEEK/PTFE composites, its step includes：
A, sulfonation PEEK is dissolved in water, adds nanometer Al2O3, ultrasonic agitation, then filter, dry, crush, wherein sulfonation
PEEK and nanometer Al2O3Mass ratio be 1:20, it is dissolved in per 10g sulfonation PEEK in 100ml water；
B, PEEK, PCTFE and PTFE are dried respectively；
C weighs the material after drying in mass ratio, is put into batch mixing in high-speed mixer；
D, mixed material is put into 380-385 DEG C of hot pressing die die cavity, after melting, under 20Mpa pressure
Shaping, cooling and demolding；
E, the material after being stripped is incubated 60min at 220 DEG C, and whole insulating process pressure is 4Mpa, obtains finished product.
The present invention adds PCTFE in PEEK, can improve its cryogenic property, make for a long time in -100--60 DEG C of environment
With and keep toughness, prevent embrittlement, nanometer Al added in PEEK2O3PEEK anti-wear performance, phase can be effectively improved with PTFE
To pure PEEK, its wear extent declines more than 50%, and the coefficient of friction of material declines to a great extent.Obtained PEEK composites are applicable
In the high ferro of extremely cold area.
Embodiment
PEEK, powdered, the mesh of particle diameter 500, purchased from new high-tech material company of Changchun Jinlin University.
PCTFE, it is powdered, it is limited purchased from the grand rich fluorine silicon science and technology in Qingdao.
PTFE, density 1.44g/cm3, average grain diameter 15um, purchased from Sichuan morning twilight research institute.
Nanometer Al2O3, particle diameter 10-20nm, titanium white Products Co., Ltd of BDCom is opened up purchased from Wuxi.
Embodiment 1
The preparation method of this low temperature resistant wear-resisting PEEK/PTFE composite, its step include：
A, sulfonation PEEK is dissolved in water, adds nanometer Al2O3, ultrasonic agitation, then filter, dry, crush, wherein sulfonation
PEEK and nanometer Al2O3Mass ratio be 1:20, it is dissolved in per 10g sulfonation PEEK in 100ml water；
B, PEEK, PCTFE and PTFE are dried respectively；
C weighs 59 parts of PEEK, PCTFE15 parts, nanometer Al2O36 parts, PTFE20 parts, it is put into batch mixing in high-speed mixer；
D, mixed material is put into 380-385 DEG C of hot pressing die die cavity, after melting, under 20Mpa pressure
Shaping, cooling and demolding；
E, the material after being stripped is incubated 60min at 220 DEG C, and whole insulating process pressure is 4Mpa, obtains finished product.
Performance test is carried out to obtained low temperature resistant wear-resisting PEEK/PTFE composites, test result is shown in Table 1.
Embodiment 2
The preparation method of this low temperature resistant wear-resisting PEEK/PTFE composite, its step include：
A, sulfonation PEEK is dissolved in water, adds nanometer Al2O3, ultrasonic agitation, then filter, dry, crush, wherein sulfonation
PEEK and nanometer Al2O3Mass ratio be 1:20, it is dissolved in per 10g sulfonation PEEK in 100ml water；
B, PEEK, PCTFE and PTFE are dried respectively；
C weighs 63 parts of PEEK, PCTFE14 parts, nanometer Al2O35 parts, PTFE18 parts, it is put into batch mixing in high-speed mixer；
D, mixed material is put into 380-385 DEG C of hot pressing die die cavity, after melting, under 20Mpa pressure
Shaping, cooling and demolding；
E, the material after being stripped is incubated 60min at 220 DEG C, and whole insulating process pressure is 4Mpa, obtains finished product.
Performance test is carried out to obtained low temperature resistant wear-resisting PEEK/PTFE composites, test result is shown in Table 1.
Embodiment 3
The preparation method of this low temperature resistant wear-resisting PEEK/PTFE composite, its step include：
A, sulfonation PEEK is dissolved in water, adds nanometer Al2O3, ultrasonic agitation, then filter, dry, crush, wherein sulfonation
PEEK and nanometer Al2O3Mass ratio be 1:20, it is dissolved in per 10g sulfonation PEEK in 100ml water；
B, PEEK, PCTFE and PTFE are dried respectively；
C weighs 70 parts of PEEK, PCTFE12 parts, nanometer Al2O33 parts, PTFE15 parts, it is put into batch mixing in high-speed mixer；
D, mixed material is put into 380-385 DEG C of hot pressing die die cavity, after melting, under 20Mpa pressure
Shaping, cooling and demolding；
E, the material after being stripped is incubated 60min at 220 DEG C, and whole insulating process pressure is 4Mpa, obtains finished product.
Performance test is carried out to obtained low temperature resistant wear-resisting PEEK/PTFE composites, test result is shown in Table 1.
Remarks：Friction-wear test condition：Initial load 196N, rotating speed 200r/min, dry friction 2h.To emery wheel：45 steel,
42-45HRC。
Claims (2)
1. a kind of preparation method of low temperature resistant wear-resisting PEEK/PTFE composites, its step include：
A, sulfonation PEEK is dissolved in water, adds nanometer Al2O3, ultrasonic agitation, then filter, dry, crush, wherein sulfonation PEEK with
Nanometer Al2O3Mass ratio be 1:20, it is dissolved in per 10g sulfonation PEEK in 100ml water；
B, PEEK, PCTFE and PTFE are dried respectively；
C weighs the material after drying in mass ratio, is put into batch mixing in high-speed mixer；
D, mixed material is put into 380-385 DEG C of hot pressing die die cavity, after melting, in 20Mpa forming under the pressure,
Cooling and demolding；
E, the material after being stripped is incubated 60min at 220 DEG C, and whole insulating process pressure is 4Mpa, obtains finished product,
Wherein low temperature resistant wear-resisting PEEK/PTFE composites are composed of the following raw materials by weight：
PEEK 59-70 parts；
PCTFE 12-15 parts；
Nanometer Al2O33-6 parts；
PTFE 15-20 parts；
Wherein sulfonation PEEK sulfonation degree is 70-80.
2. the preparation method of low temperature resistant wear-resisting PEEK/PTFE composites according to claim 1, it is characterised in that：Institute
State a nanometer Al2O3Particle diameter is 12-18nm.
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| CN107541010A (en) * | 2017-08-16 | 2018-01-05 | 宜宾天原集团股份有限公司 | A kind of polyether-ether-ketone composite material of nano aluminium oxide enhancing and preparation method thereof |
| CN107964677A (en) * | 2017-11-28 | 2018-04-27 | 宁波市鄞州龙腾工具厂 | A kind of high rigidity tow arm |
| CN109094015A (en) * | 2018-09-06 | 2018-12-28 | 珠海市杜芬自动化科技有限公司 | A kind of method and printing technology environment of hot industry 3D printer printing PEEK material |
| CN116731457A (en) * | 2023-07-07 | 2023-09-12 | 山东首明科技有限公司 | Waterproof corrosion-resistant traffic sign noctilucent material and preparation method thereof |
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| US9803690B2 (en) * | 2012-09-28 | 2017-10-31 | Saint-Gobain Performance Plastics Pampus Gmbh | Maintenance-free slide bearing with a combined adhesive sliding layer |
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Address after: 211162 Jiangsu, Jiangning District, Binjiang Development Zone, No., Copper Road, No. 18 Applicant after: Nanjing Kent composites Limited by Share Ltd Applicant after: Nanjing CompTECH New Material Co., Ltd. Applicant after: NANJING JIAFA MACHINERY CO., LTD. Applicant after: NANJING RUNTE NEW MATERIAL CO., LTD. Address before: 211162 Nanjing City, Jiangning Province town, the town of copper, Copper Road, No. 18 Applicant before: Nanjing Kente Composite Material Co., Ltd. Applicant before: Nanjing CompTECH New Material Co., Ltd. Applicant before: NANJING JIAFA MACHINERY CO., LTD. Applicant before: NANJING RUNTE NEW MATERIAL CO., LTD. |
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Effective date of registration: 20170705 Address after: 211162 Jiangsu, Jiangning District, Binjiang Development Zone, No., Copper Road, No. 18 Applicant after: Nanjing Kent composites Limited by Share Ltd Applicant after: Nanjing CompTECH New Material Co., Ltd. Applicant after: NANJING RUNTE NEW MATERIAL CO., LTD. Address before: 211162 Jiangsu, Jiangning District, Binjiang Development Zone, No., Copper Road, No. 18 Applicant before: Nanjing Kent composites Limited by Share Ltd Applicant before: Nanjing CompTECH New Material Co., Ltd. Applicant before: NANJING JIAFA MACHINERY CO., LTD. Applicant before: NANJING RUNTE NEW MATERIAL CO., LTD. |
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