CN110423431A - The PEEK based composites of anti-friction wear-resistant in a kind of dry friction - Google Patents
The PEEK based composites of anti-friction wear-resistant in a kind of dry friction Download PDFInfo
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- CN110423431A CN110423431A CN201910763373.7A CN201910763373A CN110423431A CN 110423431 A CN110423431 A CN 110423431A CN 201910763373 A CN201910763373 A CN 201910763373A CN 110423431 A CN110423431 A CN 110423431A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
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- C08K7/08—Oxygen-containing compounds
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Abstract
The present invention relates to self-lubricating antifriction wearing composite material technical fields, and a kind of PEEK based composites of anti-friction wear-resistant in dry friction are disclosed, the raw material including following parts by weight proportion: the nano silica (SiO of polyether-ether-ketone (PEEK) powder of 60~80 parts of average grain diameter 75um, 10~20 parts of average grain diameter 100nm2) powder；The preparation method of above-mentioned PEEK based composites is uniformly mixed above-mentioned raw materials the following steps are included: first passing through mechanical stirring, again by uniformly mixed compound material, hot pressing is kept in the case where temperature is 370~380 DEG C, pressure is 35~45MPa, demoulding when temperature is down to 110 DEG C obtains PEEK based composites.The present invention solves current existing polyetheretherketonematerials materials, in use, existing coefficient of friction is higher, the technical issues of wearing no resistance in dry friction environment.
Description
Technical field
The present invention relates to self-lubricating antifriction wearing composite material technical field, anti-friction wear-resistant in specially a kind of dry friction
PEEK based composites.
Background technique
Polyether-ether-ketone (PEEK) not only has the excellent properties such as high intensity, radiation hardness, corrosion-resistant, high tenacity, and there are also thermoplastics
Property resin easy processing, shock resistance, small and good to fricting couple piece compliance friction noise the advantages that, be a kind of novel high property
It can self-lubricating material.But the high temperature rigid of PEEK is low, bearing capacity is limited；Especially PEEK with steel to unlubricated friction when rubbing
It wipes coefficient and reaches 0.4 or even 0.6 or more, and the also higher (δ 10 of wear rate-5mm3(N·m)-1)。
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of PEEK based composites of anti-friction wear-resistant in dry friction,
Solve current existing polyetheretherketonematerials materials, in use, existing coefficient of friction is higher, wearability in dry friction environment
The technical problem of difference.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme:
The PEEK based composites of anti-friction wear-resistant in a kind of dry friction, the raw material including following parts by weight proportion: 60~
The nano silica of polyether-ether-ketone (PEEK) powder of 80 parts of average grain diameter 75um, 10~20 parts of average grain diameter 100nm
(SiO2) powder；
The preparation method of above-mentioned PEEK based composites mixes above-mentioned raw materials the following steps are included: first passing through mechanical stirring
Uniformly, then by uniformly mixed compound material, hot pressing, temperature are kept in the case where temperature is 370~380 DEG C, pressure is 35~45MPa
Demoulding when being down to 110 DEG C obtains PEEK based composites.
Further, the PEEK based composites further include the raw material of following parts by weight proportion: 10~20 parts flat
Polyether-ether-ketone (PEEK) powder of equal partial size 10um.
Further, the PEEK based composites further include the raw material of following parts by weight proportion: 5~10 parts of metatitanic acid
Potassium (PTW) whisker.
Further, the PEEK based composites further include the raw material of following parts by weight proportion: 5 parts of average grain diameter
Nano silica (the SiO of 50nm2) powder.
(3) beneficial technical effect
Compared with prior art, the present invention has following beneficial technical effect:
By polyether-ether-ketone (PEEK) powder of 80 parts of average grain diameter 75um, the nano-silica of 20 parts of average grain diameter 100nm
SiClx (SiO2) powder composition raw material prepared by PEEK based composites, after tested: its average dry friction coefficient μ is
0.28, wear rate δ is 4.7 × 10-6mm3(N·m)-1；
By polyether-ether-ketone (PEEK) powder of 65 parts of average grain diameter 75um, the polyether-ether-ketone of 20 parts of average grain diameter 10um
(PEEK) nano silica (SiO of powder, 15 parts of average grain diameter 100nm2) powder composition raw material prepared by PEEK base
Composite material, after tested: its average dry friction coefficient μ is 0.26, wear rate δ is 4.3 × 10-6mm3(N·m)-1；
By polyether-ether-ketone (PEEK) powder of 70 parts of average grain diameter 75um, the polyether-ether-ketone of 10 parts of average grain diameter 10um
(PEEK) nano silica (SiO of powder, 15 parts of average grain diameter 100nm2) powder, 5 parts of potassium titanate (PTW) whisker composition
PEEK based composites prepared by raw material, after tested: its average dry friction coefficient μ is 0.31, wear rate δ is 3.5 × 10- 6mm3(N·m)-1；
By polyether-ether-ketone (PEEK) powder of 60 parts of average grain diameter 75um, the polyether-ether-ketone of 15 parts of average grain diameter 10um
(PEEK) nano silica (SiO of powder, 10 parts of average grain diameter 100nm2) powder, 5 parts of average grain diameter 50nm nanometer two
Silica (SiO2) powder, 10 parts of potassium titanate (PTW) whisker composition raw material prepared by PEEK based composites, through surveying
Examination: its average dry friction coefficient μ is 0.22, wear rate δ is 2.4 × 10-6mm3(N·m)-1；
With in comparative example by polyether-ether-ketone (PEEK) powder of 50 parts of average grain diameter 75um, 50 parts of average grain diameter 10um
Average dry friction coefficient μ 0.57, the wear rate δ 98 of pure PEEK material prepared by the raw material of polyether-ether-ketone (PEEK) powder composition
×10-6mm3(N·m)-1It compares；
The present invention achieves the technical effect for significantly reducing pure PEEK material dry friction coefficient, and at the same time achieving significant
Reduce the technical effect of pure PEEK material wear rate under dry friction environment.
Specific embodiment
Following embodiment and raw material used in comparative example are as follows:
Polyether-ether-ketone (PEEK) powder, average grain diameter 75um；
Polyether-ether-ketone (PEEK) powder, average grain diameter 10um；
Nano silica (SiO2) powder, average grain diameter 100nm；
Nano silica (SiO2) powder, average grain diameter 50nm；
Potassium titanate (PTW) whisker, average grain diameter 1.3um, average length 13um.
Embodiment one:
PEEK based composites include the raw material of following parts by weight proportion: the polyether-ether-ketone of 80 parts of average grain diameter 75um
(PEEK) nano silica (SiO of powder, 20 parts of average grain diameter 100nm2) powder；
The preparation methods of PEEK based composites the following steps are included:
Step 1: polyether-ether-ketone (PEEK) powder of 80 parts of average grain diameter 75um, 20 parts of average grain diameter 100nm are received
Rice silica (SiO2) powder is added in mixing apparatus of powdery row material together, above-mentioned material is uniformly mixed by mechanical stirring；
Step 2: the compound material that will be uniformly mixed in step 1 keeps heat in the case where temperature is 370 DEG C, pressure is 35MPa
2h is pressed, later, is cooled down in the case where pressure is 35MPa, demoulding when temperature is down to 110 DEG C obtains PEEK based composites.
Embodiment two:
PEEK based composites include the raw material of following parts by weight proportion: the polyether-ether-ketone of 65 parts of average grain diameter 75um
(PEEK) nanometer titanium dioxide of powder, polyether-ether-ketone (PEEK) powder of 20 parts of average grain diameter 10um, 15 parts of average grain diameter 100nm
Silicon (SiO2) powder；
The preparation methods of PEEK based composites the following steps are included:
Step 1: by polyether-ether-ketone (PEEK) powder of 65 parts of average grain diameter 75um, 20 parts of average grain diameter 10um it is poly-
Nano silica (the SiO of ether ether ketone (PEEK) powder, 15 parts of average grain diameter 100nm2) powder be added to together powder mixing dress
In setting, it is uniformly mixed above-mentioned material by mechanical stirring；
Step 2: the compound material that will be uniformly mixed in step 1 keeps heat in the case where temperature is 380 DEG C, pressure is 40MPa
2h is pressed, later, is cooled down in the case where pressure is 40MPa, demoulding when temperature is down to 110 DEG C obtains PEEK based composites.
Embodiment three:
PEEK based composites include the raw material of following parts by weight proportion: the polyether-ether-ketone of 70 parts of average grain diameter 75um
(PEEK) nanometer titanium dioxide of powder, polyether-ether-ketone (PEEK) powder of 10 parts of average grain diameter 10um, 15 parts of average grain diameter 100nm
Silicon (SiO2) powder, 5 parts of potassium titanate (PTW) whisker；
The preparation methods of PEEK based composites the following steps are included:
Step 1: by polyether-ether-ketone (PEEK) powder of 70 parts of average grain diameter 75um, 10 parts of average grain diameter 10um it is poly-
Nano silica (the SiO of ether ether ketone (PEEK) powder, 15 parts of average grain diameter 100nm2) powder, 5 parts of potassium titanate (PTW) whisker
It is added in mixing apparatus of powdery row material together, is uniformly mixed above-mentioned material by mechanical stirring；
Step 2: the compound material that will be uniformly mixed in step 1 keeps heat in the case where temperature is 380 DEG C, pressure is 40MPa
2h is pressed, later, is cooled down in the case where pressure is 40MPa, demoulding when temperature is down to 110 DEG C obtains PEEK based composites.
Example IV:
PEEK based composites include the raw material of following parts by weight proportion: the polyether-ether-ketone of 60 parts of average grain diameter 75um
(PEEK) nanometer titanium dioxide of powder, polyether-ether-ketone (PEEK) powder of 15 parts of average grain diameter 10um, 10 parts of average grain diameter 100nm
Silicon (SiO2) powder, 5 parts of average grain diameter 50nm nano silica (SiO2) powder, 10 parts of potassium titanate (PTW) whisker；
The preparation methods of PEEK based composites the following steps are included:
Step 1: by polyether-ether-ketone (PEEK) powder of 60 parts of average grain diameter 75um, 15 parts of average grain diameter 10um it is poly-
Nano silica (the SiO of ether ether ketone (PEEK) powder, 10 parts of average grain diameter 100nm2) powder, 5 parts of average grain diameter 50nm
Nano silica (SiO2) powder, 10 parts of potassium titanate (PTW) whisker be added in mixing apparatus of powdery row material together, stirred by machinery
Mixing is uniformly mixed above-mentioned material；
Step 2: the compound material that will be uniformly mixed in step 1 keeps heat in the case where temperature is 370 DEG C, pressure is 45MPa
2h is pressed, later, is cooled down in the case where pressure is 45MPa, demoulding when temperature is down to 110 DEG C obtains PEEK based composites.
Comparative example:
Pure PEEK material includes the raw material of following parts by weight proportion: the polyether-ether-ketone of 50 parts of average grain diameter 75um
(PEEK) polyether-ether-ketone (PEEK) powder of powder, 50 parts of average grain diameter 10um；
The preparation method of pure PEEK material the following steps are included:
Step 1: by polyether-ether-ketone (PEEK) powder of 50 parts of average grain diameter 75um, 50 parts of average grain diameter 10um it is poly-
Ether ether ketone (PEEK) powder is added in mixing apparatus of powdery row material together, is uniformly mixed above-mentioned material by mechanical stirring；
Step 2: the compound material that will be uniformly mixed in step 1 keeps heat in the case where temperature is 380 DEG C, pressure is 40MPa
2h is pressed, later, is cooled down in the case where pressure is 40MPa, demoulding when temperature is down to 110 DEG C obtains pure PEEK material.
Performance test:
First by the PEEK based composites in above-described embodiment and the pure PEEK material in comparative example, it is prepared into size
For 12.3mm × 12.3mm × 19.6mm sample, then carried out under DRY SLIDING using MRH-3 type friction wear testing machine
Friction and wear behavior test, wearing- in period 1h, antithesis are AISI45 steel loop, and test result is as follows shown in table 1.
Table 1
Claims (4)
1. the PEEK based composites of anti-friction wear-resistant in a kind of dry friction, which is characterized in that including following parts by weight proportion
Raw material: the nanometer two of polyether-ether-ketone (PEEK) powder of 60~80 parts of average grain diameter 75um, 10~20 parts of average grain diameter 100nm
Silica (SiO2) powder；
The preparation method of above-mentioned PEEK based composites keeps above-mentioned raw materials mixing equal the following steps are included: first passing through mechanical stirring
It is even, then by uniformly mixed compound material, hot pressing, temperature drop are kept in the case where temperature is 370~380 DEG C, pressure is 35~45MPa
It is demoulded when to 110 DEG C, obtains PEEK based composites.
2. PEEK based composites according to claim 1, which is characterized in that the PEEK based composites further include with
The raw material of lower parts by weight proportion: polyether-ether-ketone (PEEK) powder of 10~20 parts of average grain diameter 10um.
3. PEEK based composites according to claim 2, which is characterized in that the PEEK based composites further include with
The raw material of lower parts by weight proportion: 5~10 parts potassium titanate (PTW) whisker.
4. PEEK based composites according to claim 3, which is characterized in that the PEEK based composites further include with
The raw material of lower parts by weight proportion: the nano silica (SiO of 5 parts of average grain diameter 50nm2) powder.
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| CN201910763373.7A CN110423431A (en) | 2019-08-19 | 2019-08-19 | The PEEK based composites of anti-friction wear-resistant in a kind of dry friction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118931626A (en) * | 2024-07-24 | 2024-11-12 | 东莞市肯特润滑技术有限公司 | High temperature resistant grease for gears and preparation method thereof |
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| CN1150958A (en) * | 1996-04-22 | 1997-06-04 | 中国科学院兰州化学物理研究所 | Nanoparticle filled wear-resistant material and preparation method thereof |
| US6183137B1 (en) * | 1998-09-29 | 2001-02-06 | Daido Metal Company | Bearing structure |
| CN105524409A (en) * | 2015-11-03 | 2016-04-27 | 南京肯特复合材料有限公司 | Potassium titanate whisker reinforced PEEK composite material and preparation method thereof |
| CN109401186A (en) * | 2018-12-18 | 2019-03-01 | 南京肯特复合材料股份有限公司 | Wear-resisting PEEK composite material and preparation method |
-
2019
- 2019-08-19 CN CN201910763373.7A patent/CN110423431A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150958A (en) * | 1996-04-22 | 1997-06-04 | 中国科学院兰州化学物理研究所 | Nanoparticle filled wear-resistant material and preparation method thereof |
| US6183137B1 (en) * | 1998-09-29 | 2001-02-06 | Daido Metal Company | Bearing structure |
| CN105524409A (en) * | 2015-11-03 | 2016-04-27 | 南京肯特复合材料有限公司 | Potassium titanate whisker reinforced PEEK composite material and preparation method thereof |
| CN109401186A (en) * | 2018-12-18 | 2019-03-01 | 南京肯特复合材料股份有限公司 | Wear-resisting PEEK composite material and preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 陈佩民等: "纳米SiO_2/CF混杂增强聚醚醚酮复合材料的耐磨性研究", 《江苏科技信息》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118931626A (en) * | 2024-07-24 | 2024-11-12 | 东莞市肯特润滑技术有限公司 | High temperature resistant grease for gears and preparation method thereof |
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Application publication date: 20191108 |