CN109679283A - A kind of high-mechanic friction high molecular material - Google Patents
A kind of high-mechanic friction high molecular material Download PDFInfo
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- CN109679283A CN109679283A CN201811474485.2A CN201811474485A CN109679283A CN 109679283 A CN109679283 A CN 109679283A CN 201811474485 A CN201811474485 A CN 201811474485A CN 109679283 A CN109679283 A CN 109679283A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/80—Thermosetting resins
- F16C2208/82—Composites, i.e. fibre reinforced thermosetting resins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/80—Thermosetting resins
- F16C2208/86—Epoxy resins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention relates to a kind of high-mechanic friction high molecular materials, belong to technical field of composite materials.High-mechanic friction high molecular material of the invention is made of the multi-layer fiber infiltration cloth being sequentially overlapped from outside to inside；Fiber infiltration cloth is the fiber cloth for infiltrating epoxy resin infiltration liquid；Fiber cloth is woven by composite fibre；Composite fibre is the fiber that mixture is adhered on surface；Mixture is made of 10-20 parts by weight polysiloxanes, 4-8 parts by weight of graphite powder, 1-2 parts by weight maleic anhydride graft polypropylene powder, 2-3 parts by weight polytetrafluoroethylene powder and 0.2-0.5 parts by weight of titanium dioxide powder.The high molecular material has good wearability under high-mechanic, is suitable as bearing material use.
Description
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of high-mechanic friction high molecular material.
Background technique
Bearing is that component that is fixed and reducing load coefficient of friction is played in mechanical transmission course, its major function is branch
Mechanical rotary body is supportted, reducing mechanical load coefficient of friction of the equipment in transmission process, is widely used in aeronautical engineering, no
By being the fields such as aircraft, automobile, ship, lathe, motor or household electrical appliance.
According to the difference of the friction properties of the moving elements, bearing can be divided into two class of rolling bearing and sliding bearing.Sliding bearing
(slidingbearing), refer to the bearing to work under sliding friction.Traditional sliding bearing mostly uses steel to be made, but steel
Hardness it is lower, the bearing being made into using steel is not wear-resisting, and heat resistance is poor, when bearing is chronically at hot environment, steel
Manufactured bearing easily expands deformation, leads to bearing corrosion, and the service life accordingly shortens.The sliding bearing of high molecular material preparation can
Make lubricant with self-lubricating or using water, compared to traditional metal class sliding bearing, there is pollution-free, less energy-consuming, friction system
The advantages such as number is low, security performance is high, therefore had been widely used on naval vessel.Compared to rubber high molecular material, tree
Lipid high molecular material low speed stick-slip characteristic is unobvious, has preferable low-speed performance, therefore the application on bearing is more extensive.
But in certain special dimensions, such as military equipment, heavy engineering machinery, aerospace fine motion parts, bridge tunnel
Load bearing component etc., need the material of low-speed heave-load, and existing macromolecule bearing material is often difficult to meet the demand.
Summary of the invention
In view of this, the present invention provides a kind of high-mechanic friction high molecular material.
High-mechanic friction high molecular material provided by the invention infiltrates cloth group by the multi-layer fiber being sequentially overlapped from outside to inside
At；
The fiber infiltration cloth is the fiber cloth for infiltrating epoxy resin infiltration liquid；
The fiber cloth is woven by composite fibre；
The composite fibre is the fiber that mixture is adhered on surface；
The mixture is grafted by 10-20 parts by weight polysiloxanes, 4-8 parts by weight of graphite powder, 1-2 parts by weight maleic anhydride
Polypropylene powder, 2-3 parts by weight polytetrafluoroethylene powder and 0.2-0.5 parts by weight of titanium dioxide powder composition.
In above-mentioned technical proposal, the fiber is preferably glass fibre, carbon fiber or aramid fiber.
In above-mentioned technical proposal, the fiber cloth is preferably woven roving, i.e. roving plain cloth.
In above-mentioned technical proposal, it is described infiltration epoxy resin infiltration liquid fiber cloth with a thickness of 0.5-1mm.
In above-mentioned technical proposal, the epoxy resin immersion fluid includes that 70-80 parts by weight epoxy resin, 10-20 activity are dilute
Release agent and 20-40 parts by weight curing agent；Epoxy resin is preferably bisphenol A epoxide resin, novolac epoxy resin, Bisphenol F epoxy tree
It is one or more of in rouge to be mixed by any proportion；Curing agent is preferably acid anhydride type curing agent, aliphatic amine curing agent, aromatic amine
It is one or more of in class curing agent to be mixed by any proportion；Diluent is preferably response type epoxies diluent, more preferably
Ethylene glycol diglycidyl, butanediol diglycidyl ether or n-butyl glycidyl ether.
In above-mentioned technical proposal, the graphite powder, maleic anhydride inoculated polypropylene powder, polytetrafluoroethylene powder and titanium dioxide
Granularity be 150-300 mesh.
In above-mentioned technical proposal, fiber infiltrates the thickness of cloth determine according to actual needs, and generally 5-15 layers.
The present invention also provides the preparation methods of above-mentioned high-mechanic friction high molecular material, comprising the following steps:
Step 1: take by weight polysiloxanes, graphite powder, maleic anhydride inoculated polypropylene powder, polytetrafluoroethylene powder and
Titanium dioxide powder is uniformly mixed, obtains mixture；
Step 2: being woven after fiber filament is adhered to mixture, after dry, fiber cloth is obtained；
Step 3: fiber cloth is infiltrated epoxy resin infiltration liquid, single layer fibre infiltration cloth is obtained；
Step 4: multiple fibers infiltration cloth to be layering and (if any shape, be superimposed in molding die interior-layer layer), heating adds
It is cured, obtain high-mechanic friction high molecular material.
In above-mentioned technical proposal, step is a kind of, and high-speed stirred mixing or ultrasonic mixing can be used in mixing.
In above-mentioned technical proposal, in step 2, the method that fiber filament adheres to mixture is to draw plurality of fibers silk respectively
It under the action of power, leads in mixture, then involves.
In above-mentioned technical proposal, in step 4, solidification temperature is 130-160 DEG C, solidifying pressure 0.2-0.5MPa.
Compared with prior art, the invention has the benefit that
High-mechanic friction high molecular material of the invention has good wearability under high-mechanic, is suitable as bearing
Material, after testing, the material wear 2h, 10-13h/ μm of wearing depth, initial friction coefficient is under 200MPa load
0.07；Under 300MPa load, 2h is worn, 12-21h/ μm of wearing depth, initial friction coefficient is 0.05；In 400MPa load
Under, wear 2h, 31-39h/ μm of wearing depth, coefficient of friction 0.04.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
Embodiment 1
High-mechanic friction high molecular material is made of the ten layers of fiber infiltration cloth being sequentially overlapped from outside to inside；Fiber infiltration
Cloth is the fiber cloth for infiltrating epoxy resin infiltration liquid, with a thickness of 1mm；Fiber cloth is woven roving made of being woven as composite fibre；
Composite fibre is the glass fibre that mixture is adhered on surface；Mixture is by 10 parts by weight polysiloxanes, 4 parts by weight of graphite powder (150
Mesh), 1 parts by weight maleic anhydride graft polypropylene powder (150 mesh), 2 parts by weight polytetrafluoroethylene powders (150 mesh) and 0.2 parts by weight
Titanium dioxide powder (150 mesh) composition；Epoxy resin immersion fluid is by 70 parts by weight of bisphenol A epoxy resin, 10 reactive diluent second two
Alcohol 2-glycidyl and 20 parts by weight ethylenediamine curing agent composition.
The preparation method of above-mentioned high-mechanic friction high molecular material, comprising the following steps:
Step 1: take by weight polysiloxanes, graphite powder, maleic anhydride inoculated polypropylene powder, polytetrafluoroethylene powder and
Titanium dioxide powder is uniformly mixed, obtains mixture；
Step 2: being woven after fiber filament is adhered to mixture, after dry, fiber cloth is obtained；
Step 3: fiber cloth is infiltrated epoxy resin infiltration liquid, single layer fibre infiltration cloth is obtained；
Step 4: ten fiber infiltration cloth are layering, (solidification temperature is 160 DEG C, solidifying pressure for temperature-pressure solidification
For 0.2MPa), high-mechanic friction high molecular material is obtained.
Embodiment 2
High-mechanic friction high molecular material is made of the ten layers of fiber infiltration cloth being sequentially overlapped from outside to inside；Fiber infiltration
Cloth is the fiber cloth for infiltrating epoxy resin infiltration liquid, with a thickness of 1mm；Fiber cloth is woven roving made of being woven as composite fibre；
Composite fibre is the glass fibre that mixture is adhered on surface；Mixture is by 20 parts by weight polysiloxanes, 8 parts by weight of graphite powder (150
Mesh), 2 parts by weight maleic anhydride graft polypropylene powder (150 mesh), 3 parts by weight polytetrafluoroethylene powders (150 mesh) and 0.5 parts by weight
Titanium dioxide powder (150 mesh) composition；Epoxy resin immersion fluid is by 80 parts by weight of bisphenol A epoxy resin, 20 reactive diluent second two
Alcohol 2-glycidyl and 40 parts by weight ethylenediamine curing agent composition.
The preparation method of above-mentioned high-mechanic friction high molecular material, comprising the following steps:
Step 1: take by weight polysiloxanes, graphite powder, maleic anhydride inoculated polypropylene powder, polytetrafluoroethylene powder and
Titanium dioxide powder is uniformly mixed, obtains mixture；
Step 2: being woven after fiber filament is adhered to mixture, after dry, fiber cloth is obtained；
Step 3: fiber cloth is infiltrated epoxy resin infiltration liquid, single layer fibre infiltration cloth is obtained；
Step 4: ten fiber infiltration cloth are layering, (solidification temperature is 13 DEG C, solidifying pressure for temperature-pressure solidification
For 0.5MPa), high-mechanic friction high molecular material is obtained.
Embodiment 3
High-mechanic friction high molecular material is made of the ten layers of fiber infiltration cloth being sequentially overlapped from outside to inside；Fiber infiltration
Cloth is the fiber cloth for infiltrating epoxy resin infiltration liquid, with a thickness of 1mm；Fiber cloth is woven roving made of being woven as composite fibre；
Composite fibre is the glass fibre that mixture is adhered on surface；Mixture is by 15 parts by weight polysiloxanes, 6 parts by weight of graphite powder (150
Mesh), 1.5 parts by weight maleic anhydride graft polypropylene powder (150 mesh), 2.5 parts by weight polytetrafluoroethylene powders (150 mesh) 0.4 weight
Part titanium dioxide powder (150 mesh) forms；Epoxy resin immersion fluid is by 75 parts by weight of bisphenol A epoxy resin, 15 reactive diluent second
Glycol diglycidyl and 30 parts by weight ethylenediamine curing agent composition.
The preparation method of above-mentioned high-mechanic friction high molecular material, comprising the following steps:
Step 1: take by weight polysiloxanes, graphite powder, maleic anhydride inoculated polypropylene powder, polytetrafluoroethylene powder and
Titanium dioxide powder is uniformly mixed, obtains mixture；
Step 2: being woven after fiber filament is adhered to mixture, after dry, fiber cloth is obtained；
Step 3: fiber cloth is infiltrated epoxy resin infiltration liquid, single layer fibre infiltration cloth is obtained；
Step 4: ten layers of fiber infiltration cloth are layering, (solidification temperature is 150 DEG C, solidifying pressure for temperature-pressure solidification
For 0.4MPa), high-mechanic friction high molecular material is obtained.
Detection can be carried out using friction and abrasion of the GB/T3960 to the high-mechanic friction high molecular material of embodiment 1-3,
Proving ring is rotated with 200r/min, and test period 2h, load is respectively 200MPa, 300MPa and 200MPa.
The performance characterization of the high-mechanic friction high molecular material of 1 embodiment 1-3 of table
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
- The high molecular material 1. high-mechanic rubs, which is characterized in that be made of the multi-layer fiber infiltration cloth being sequentially overlapped from outside to inside；The fiber infiltration cloth is the fiber cloth for infiltrating epoxy resin infiltration liquid；The fiber cloth is woven by composite fibre；The composite fibre is the fiber that mixture is adhered on surface；The mixture is by 10-20 parts by weight polysiloxanes, 4-8 parts by weight of graphite powder, 1-2 parts by weight maleic anhydride grafting poly- third Alkene powder, 2-3 parts by weight polytetrafluoroethylene powder and 0.2-0.5 parts by weight of titanium dioxide powder composition.
- The high molecular material 2. high-mechanic according to claim 1 rubs, which is characterized in that the fiber be glass fibre, Carbon fiber or aramid fiber.
- The high molecular material 3. high-mechanic according to claim 1 rubs, which is characterized in that the fiber cloth is woven roving.
- The high molecular material 4. high-mechanic according to claim 1 rubs, which is characterized in that the infiltration epoxy resin infiltration The fiber cloth of liquid with a thickness of 0.5-1mm.
- The high molecular material 5. high-mechanic according to claim 1 rubs, which is characterized in that the epoxy resin immersion fluid packet Include 70-80 parts by weight epoxy resin, 10-20 reactive diluent and 20-40 parts by weight curing agent.
- The high molecular material 6. high-mechanic according to claim 5 rubs, which is characterized in that the epoxy resin is bisphenol-A It is epoxy resin, novolac epoxy resin, one or more of by the mixing of any proportion in bisphenol F epoxy resin；The curing agent is acid anhydride type curing agent, one or more of press is appointed in aliphatic amine curing agent, aromatic amine curing agent Meaning proportion mixing；The diluent is response type epoxies diluent.
- The high molecular material 7. high-mechanic according to claim 6 rubs, which is characterized in that the diluent is ethylene glycol two Glycidol, butanediol diglycidyl ether or n-butyl glycidyl ether.
- The high molecular material 8. high-mechanic according to claim 1 rubs, which is characterized in that the graphite powder, maleic anhydride The granularity of graft polypropylene powder, polytetrafluoroethylene powder and titanium dioxide is 150-300 mesh.
- The high molecular material 9. high-mechanic according to claim 5 rubs, which is characterized in that the fiber infiltration cloth is 5-15 Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474485.2A CN109679283A (en) | 2018-12-04 | 2018-12-04 | A kind of high-mechanic friction high molecular material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811474485.2A CN109679283A (en) | 2018-12-04 | 2018-12-04 | A kind of high-mechanic friction high molecular material |
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| CN109679283A true CN109679283A (en) | 2019-04-26 |
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| CN201811474485.2A Pending CN109679283A (en) | 2018-12-04 | 2018-12-04 | A kind of high-mechanic friction high molecular material |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174022A (en) * | 2013-02-01 | 2013-06-26 | 厦门大学 | Fabric liner coating material of self-lubricating joint bearing and preparation method thereof |
| CN106523514A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | High-temperature resisting macromolecule self-lubricating bearing and preparing method thereof |
-
2018
- 2018-12-04 CN CN201811474485.2A patent/CN109679283A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174022A (en) * | 2013-02-01 | 2013-06-26 | 厦门大学 | Fabric liner coating material of self-lubricating joint bearing and preparation method thereof |
| CN106523514A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | High-temperature resisting macromolecule self-lubricating bearing and preparing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 邢丽英: "《先进树脂基复合材料自动化制造技术》", 30 June 2014, 航空工业出版社 * |
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