CN105255189B - Polyethersulfone Composites and preparation method and application - Google Patents
Polyethersulfone Composites and preparation method and application Download PDFInfo
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- CN105255189B CN105255189B CN201510852189.1A CN201510852189A CN105255189B CN 105255189 B CN105255189 B CN 105255189B CN 201510852189 A CN201510852189 A CN 201510852189A CN 105255189 B CN105255189 B CN 105255189B
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Abstract
Polyethersulfone Composites and preparation method and application, belong to technical field of composite materials.Solve that polyether sulfone poor toughness, surface hydrophilicity in the prior art be poor, coefficient of friction is high, friction Temperature Rise of cutting off the water supply is fast, material at high temperature melting produces the technical problems such as pyroplastic deformation under water lubrication state.Composite of the invention; it is made up of the polyether sulfone of 100 weight portions and the granulate mixture of 21.6~75.5 weight portions; wherein; granulate mixture is made up of the crosslinking agent of the thermoplastic polyurethane of 10~30 weight portions, 2,4 hexadienes of 2~10 weight portions, the ultra-high molecular weight polyethylene of 5~10 weight portions, the polytetrafluoroethylene (PTFE) of 2~10 weight portions, the molybdenum bisuphide of 2~10 weight portions, the Brij30 of 0.5~5 weight portion and 0.1~0.5 weight portion.The composite possesses good hydrophily, wearability, toughness, dimensional stability, dry friction temperature rise controllability and bearing capacity.
Description
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of Polyethersulfone Composites and preparation method thereof with should
With.
Background technology
Sliding bearing (sliding bearing), is the bearing worked under sliding friction.I.e. in hydrodynamic lubrication condition
Under, slidingsurface is separated without there is directly contact by lubricating oil, greatly reduces the bearing of friction loss and surface abrasion.Slide
Bearing is because the advantages of possessing stable working, reliability, noiseless, is widely used in recent years.
The macromolecular material for being applied to sliding bearing at present mainly includes polyether-ether-ketone, polytetrafluoroethylene (PTFE), super high molecular weight
Polyethylene, nylon, rubber, hard polyaminoester, polyether sulfone etc..Wherein, polyetheretherketonematerials materials are costly, and hardness is high, to brass,
Carbon steel etc. is larger compared with the frictionally damage of softwood matter axle.Although polytetrafluoroethylene (PTFE) is smaller with ultra-high molecular weight polyethylene coefficient of friction,
But when there is lubricant medium insufficient supply, material will drastically wear and tear.Nylon water expansion factor is high, poor dimensional stability.Rubber
Hardness is not high, and bearing capacity is limited, while elastomeric material machining is relatively difficult, the size requirement to mould is even more very tight
Lattice.The chemical mediator poor performance such as hard polyurethane material heat-proof water, acid and alkali-resistance.Polyether sulfone materials price is with respect to polyether-ether-ketone just
It is preferably a lot, while hardness is high, carry big, good stability of the dimension, be machined simple, the excellent performance such as heat-proof water, acid and alkali-resistance, but
Polyether sulfone in the market still has the not enough place of many performances, including when poor toughness, unlubricated medium, temperature rise of dry grinding
Hurry up, material surface occurs rapidly meltbility destruction, material surface hydrophily difference and without self lubricity etc., limits polyether sulfone
Use scope of the material in sliding bearing field.
The content of the invention
Present invention aim to address polyether sulfone materials poor toughness, self-lubricating property in the prior art be poor, surface hydrophilicity
When energy difference and unlubricated medium, material surface dry grinding temperature rise is fast, easily the problems such as the thermoplasticity damaged deformation of generation meltbility,
A kind of Polyethersulfone Composites and preparation method and application are provided.
Polyethersulfone Composites of the invention, the main polyether sulfone including 100 weight portions and 21.6~75.5 weight portions
Granulate mixture；
The granulate mixture mainly including the thermoplastic polyurethane of 10~30 weight portions, 2~10 weight portions 2,4- oneself
Two sulphur of diene, the ultra-high molecular weight polyethylene of 5~10 weight portions, the polytetrafluoroethylene (PTFE) of 2~10 weight portions and 2~10 weight portions
Change the crosslinking agent of molybdenum, the Brij30 of 0.5~5 weight portion and 0.1~0.5 weight portion；
Contain double bond structure unit in the soft section part of the thermoplastic polyurethane；
The weight average molecular weight of the ultra-high molecular weight polyethylene is 3,000,000~8,000,000；
The crosslinking agent is cumyl peroxide or sulphur.
Preferably, the soft section part of the thermoplastic polyurethaneForEnd hydroxy butadiene, end amido polybutadiene, end hydroxyl
Base Polybutadiene-styrene or end hydroxy butadiene-acrylonitrile.
The preparation method of above-mentioned Polyethersulfone Composites, comprises the following steps：
Step one, the thermoplastic polyurethane for weighing 10~30 weight portions, the 2,4- hexadienes of 2~10 weight portions, 5~10 weights
Measure the ultra-high molecular weight polyethylene, the polytetrafluoroethylene (PTFE) of 2~10 weight portions, the molybdenum bisuphide of 2~10 weight portions, 0.5~5 weight of part
The Brij30 of part and the crosslinking agent of 0.1~0.5 weight portion are measured, premix in banbury is added, mill is subsequently adding
Machine is well mixed, and extruded machine extruding pelletization obtains granulate mixture；
Step 2, the polyether sulfone of 100 weight portions is weighed, then weigh the granulate mixture of 21.6~75.5 weight portions, added
In extruder, extruding pelletization obtains Polyethersulfone Composites.
Preferably, the temperature of extruder is 170-180 DEG C in the step 2.
Above-mentioned Polyethersulfone Composites can be used as material for sliding bearing application.
Preferably, the application is that Polyethersulfone Composites are added into injection machine injection moulding, is subsequently placed in 150-160 DEG C
Baking close annealing 1-2h, then by oven temperature be down to 90-100 DEG C annealing 24-48h after, room temperature place cooling after, that is, slided
Dynamic bearing.
Preferably, the processing temperature of the injection moulding is 170-180 DEG C.
Compared with prior art, present invention has the advantages that：
1st, Polyethersulfone Composites of the invention can not only keep the excellent properties of polyethersulfone resin, and hardness is high, carrying
Greatly, possess good hot water resistance, resistant to chemical media and dimensional stability, and the cooperation for passing through each component, be also equipped with excellent
Different anti-wear performance, good hydrophilicity, good toughness and dry friction temperature rise controllability, by test, the polyether sulfone is answered
Condensation material under water lubrication state, coefficient of friction≤0.03；
2nd, Polyethersulfone Composites of the invention are simple and easy to apply, and equipment is increased without extra, and preparation cost is low, it is adaptable to big
Large-scale production；
3rd, possesses good performance using the sliding bearing that Polyethersulfone Composites of the invention are prepared as material, specifically such as
Under：
A, possesses good hydrophilicity, even if can still form preferable Water film lubricating when current are not smooth；
B, possesses good wearability, coefficient of friction is low；
C, possesses good toughness, dimensional stability and bearing capacity are higher；
D, possesses good dry friction temperature rise controllability, dry friction temperature rise speed is slow, even if abrasion is also the heat after crosslinking
Curable polyurethane is first destroyed, and the integrally fused property of polyether sulfone will not be caused to destroy and then sliding bearing occurs and seize parking shape
Condition.
Specific embodiment
In order to further appreciate that the present invention, the preferred embodiments of the invention are retouched with reference to specific embodiment
State, but it is to be understood that these descriptions are simply to further illustrate the features and advantages of the present invention rather than to patent of the present invention
It is required that limitation.
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 21.6~75.5 weight portions.
Wherein, polyether sulfone is matrix resin, makes that composite hardness is high, carry big, possesses good hot water resistance, resistant to chemical media
And dimensional stability.Polyether sulfone is not particularly limited, and is obtained using those skilled in the art's well-known way.Granulate mixture
By the thermoplastic polyurethane of 10~30 weight portions, the 2,4- hexadienes of 2~10 weight portions, 5~10 weight portions super high molecular weight
Polyethylene, the polytetrafluoroethylene (PTFE) of 2~10 weight portions, the molybdenum bisuphide of 2~10 weight portions, the polyoxyethylene month of 0.5~5 weight portion
The crosslinking agent composition of cinnamic alcohol ether and 0.1~0.5 weight portion.The dry friction coefficient of the Polyethersulfone Composites is 0.19-0.48, water
Lubricating coefficient is 0.01-0.09.
In above-mentioned composite, double bond structure unit is contained in the soft section part of thermoplastic polyurethane, and such as soft section part is end
Hydroxyl polybutadiene, end amido polybutadiene, end hydroxy butadiene-styrene or end hydroxy butadiene-acrylonitrile etc.,
It is preferred that end hydroxy butadiene.On the one hand, thermoplastic polyurethane, can be with 2,4- hexadienes, crosslinking due to containing double bond structure
Agent is acted on, and has both improved the toughness of composite, and skeleton humidification is played further through crosslinking, further improves dimensional stability
And enhancing bearing capacity.On the other hand, the addition of thermoplastic polyurethane, additionally it is possible to the dry friction temperature of effective control material
Rise, though abrasion be also crosslinking after heat-curable urethane be first destroyed, will not cause polyether sulfone integrally fused property destroy into
And seize parking condition.The proportioning of thermoplastic polyurethane is 10~30 weight portions, if being less than 10 weight portions, the bullet of material
Property and toughness it is bad, if above 30 weight portions, material is too soft, and bearing capacity declines serious.Thermoplastic polyurethane
Can be obtained using those skilled in the art's well-known way.
In above-mentioned composite, Brij30 can improve the hydrophilicity of composite as hydrophilizing agent,
Even if making composite that preferable Water film lubricating can be still formed when current are not smooth.The proportioning of Brij30 is
0.5~5 weight portion, if being less than 0.5 weight portion, the hydrophilic area of composite material surface is difficult to form effective coverage, and moisture film is difficult to
Set up, if above 5 weight portions, Brij30 is weak with basal body binding force, easy surface migration is separated out, and is reduced
The rigidity of material.Brij30 can be obtained using those skilled in the art's well-known way.
In above-mentioned composite, the addition of molybdenum bisuphide, polytetrafluoroethylene (PTFE) and ultra-high molecular weight polyethylene reduces material
Overall coefficient of friction, improve the anti-wear performance of material.The molecular weight of polytetrafluoroethylene (PTFE) is not limited, superhigh molecular weight polyethylene
The weight average molecular weight of alkene is 3,000,000~8,000,000, preferably 8,000,000.Molybdenum bisuphide, polytetrafluoroethylene (PTFE) and ultra-high molecular weight polyethylene
Can all be obtained using those skilled in the art's well-known way.
In above-mentioned composite, crosslinking agent is cumyl peroxide or sulphur, is not particularly limited, can be using this
Art personnel well-known way is obtained.
The preparation method of above-mentioned Polyethersulfone Composites, comprises the following steps：
Step one, the thermoplastic polyurethane for weighing 10~30 weight portions, the 2,4- hexadienes of 2~10 weight portions, 5~10 weights
Measure the ultra-high molecular weight polyethylene, the polytetrafluoroethylene (PTFE) of 2~10 weight portions, the molybdenum bisuphide of 2~10 weight portions, 0.5~5 weight of part
The Brij30 of part and the crosslinking agent of 0.1~0.5 weight portion are measured, premix in banbury is added, mill is subsequently adding
Triangle is beaten in machine to be well mixed, and through double screw extruder extruding pelletization, obtains granulate mixture；
Step 2, weigh the polyether sulfone of 100 weight portions, then weigh the granulate mixture of 21.5~76 weight portions, in the lump plus
Enter in double screw extruder, extruding pelletization at 170-180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites can be used as material for sliding bearing application.The method of application is not particularly limited, and adopts
With those skilled in the art's common method, such as injection moulding.The present invention provides a kind of application process, but not limited to this：Will
Polyethersulfone Composites are added in injection machine, and injection temperature is 170-180 DEG C, after shaping, is placed in 150-160 DEG C of baking oven and moves back
Fiery 1-2h, then by oven temperature be down to 90-100 DEG C annealing 24-48h after, room temperature place cooling after, that is, obtain sliding bearing.
The present invention is further illustrated with reference to embodiments.
Embodiment 1
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 34.2 weight portions.Particle is mixed
Compound by the end hydroxy butadiene thermoplastic polyurethane of 15 weight portions, the 2,4- hexadienes of 3 weight portions, 5 weight portions superelevation
Molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, the polyoxy of 1 weight portion
The cumyl peroxide composition of ethene lauryl alcohol and 0.2 weight portion.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, by the end hydroxy butadiene thermoplastic polyurethane of 15 weight portions, the 2,4- hexadienes of 3 weight portions, 5 weights
Measure the ultra-high molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, 1 weight of part
The Brij30 of part and the cumyl peroxide of 0.2 weight portion are measured, premix in banbury is added, is subsequently adding out
Triangle bag is beaten in mill to be well mixed, and through double screw extruder extruding pelletization, obtains granulate mixture；
Step 2, by the granulate mixture of 34.2 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 160 DEG C
Baking close annealing 1h, then by oven temperature be down to 100 DEG C annealing 24h after, room temperature place cooling after, that is, obtain sliding bearing.
Embodiment 2
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 49.2 weight portions.Particle is mixed
Compound by the hydroxy terminated polypropylene nitrile thermoplastic polyurethane of 30 weight portions, the 2,4- hexadienes of 3 weight portions, 5 weight portions superelevation
Molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, the polyoxy of 1 weight portion
The cumyl peroxide composition of ethene lauryl alcohol and 0.2 weight portion.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, by the end hydroxy butadiene of 30 weight portions-acrylonitrile thermoplastic polyurethane, 3 weight portions 2,4- oneself
Diene, the ultra-high molecular weight polyethylene (molecular weight 8,000,000) of 5 weight portions, the polytetrafluoroethylene (PTFE) of 5 weight portions, two sulphur of 5 weight portions
Change the cumyl peroxide of molybdenum, the Brij30 of 1 weight portion and 0.2 weight portion, add premix in banbury, so
Add the triangle bag of beating in mill to be well mixed afterwards, through double screw extruder extruding pelletization, obtain granulate mixture；
Step 2, by the granulate mixture of 49.2 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 160 DEG C
Baking close annealing 1h, then by oven temperature be down to 100 DEG C annealing 24h after, room temperature place cooling after, that is, obtain sliding bearing.
Embodiment 3
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 49.2 weight portions.Particle is mixed
Compound by the end amido polybutadiene thermoplastic polyurethane of 30 weight portions, the 2,4- hexadienes of 3 weight portions, 5 weight portions superelevation
Molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, the polyoxy of 1 weight portion
The sulphur composition of ethene lauryl alcohol and 0.2 weight portion.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, end amido polybutadiene thermoplastic polyurethane, the 2,4- hexadienes of 3 weight portions, 5 weights by 30 weight portions
Measure the ultra-high molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, 1 weight of part
The Brij30 of part and the sulphur of 0.2 weight portion are measured, is added and premix in banbury, be subsequently adding beating in mill
Triangle bag is well mixed, and through double screw extruder extruding pelletization, obtains granulate mixture；
Step 2, by the granulate mixture of 49.2 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 160 DEG C
Baking close annealing 1h, then by oven temperature be down to 100 DEG C annealing 24h after, room temperature place cooling after, that is, obtain sliding bearing.
Embodiment 4
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 44.2 weight portions.Particle is mixed
Compound by 25 weight portions end hydroxy butadiene-styrene thermoplastic polyurethane, the 2,4- hexadienes of 3 weight portions, 5 weight portions
Ultra-high molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, 1 weight portion
Brij30 and 0.2 weight portion sulphur composition.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, by the end hydroxy butadiene-styrene thermoplastic polyurethane of 25 weight portions, 3 weight portions 2,4- oneself
Diene, the ultra-high molecular weight polyethylene (molecular weight 8,000,000) of 5 weight portions, the polytetrafluoroethylene (PTFE) of 5 weight portions, two sulphur of 5 weight portions
Change the sulphur of molybdenum, the Brij30 of 1 weight portion and 0.2 weight portion, add premix in banbury, be subsequently adding mill
Triangle bag of beating in machine is well mixed, and through double screw extruder extruding pelletization, obtains granulate mixture；
Step 2, by the granulate mixture of 44.2 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 160 DEG C
Baking close annealing 1h, then by oven temperature be down to 100 DEG C annealing 24h after, room temperature place cooling after, that is, obtain sliding bearing.
Embodiment 5
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 39.2 weight portions.Particle is mixed
Compound by 20 weight portions end hydroxy butadiene-acrylonitrile thermoplastic polyurethane, the 2,4- hexadienes of 3 weight portions, 5 weight portions
Ultra-high molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 5 weight portions, the molybdenum bisuphide of 5 weight portions, 1 weight portion
Brij30 and 0.2 weight portion sulphur composition.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, by the end hydroxy butadiene of 20 weight portions-acrylonitrile thermoplastic polyurethane, 3 weight portions 2,4- oneself
Diene, the ultra-high molecular weight polyethylene (molecular weight 8,000,000) of 5 weight portions, the polytetrafluoroethylene (PTFE) of 5 weight portions, two sulphur of 5 weight portions
Change the sulphur of molybdenum, the Brij30 of 1 weight portion and 0.2 weight portion, add premix in banbury, be subsequently adding mill
Triangle bag of beating in machine is well mixed, and through double screw extruder extruding pelletization, obtains granulate mixture；
Step 2, by the granulate mixture of 39.2 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 160 DEG C
Baking close annealing 1h, then by oven temperature be down to 100 DEG C annealing 24h after, room temperature place cooling after, that is, obtain sliding bearing.
Embodiment 6
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 48.2 weight portions.Particle is mixed
Compound by the end amido polybutadiene thermoplastic polyurethane of 25 weight portions, the 2,4- hexadienes of 3 weight portions, 10 weight portions superelevation
Molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 3 weight portions, the molybdenum bisuphide of 3 weight portions, the polyoxy of 4 weight portions
The sulphur composition of ethene lauryl alcohol and 0.2 weight portion.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, 2,4- hexadienes, 10 of holding amido polybutadiene thermoplastic polyurethane, 3 weight portions by 25 weight portions
Ultra-high molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 3 weight portions, the molybdenum bisuphide of 3 weight portions, 4 of weight portion
The sulphur of the Brij30 of weight portion and 0.2 weight portion, adds premix in banbury, is subsequently adding in mill
Beat triangle bag to be well mixed, through double screw extruder extruding pelletization, obtain granulate mixture；
Step 2, by the granulate mixture of 48.2 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 180 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 160 DEG C
Baking close annealing 1h, then by oven temperature be down to 100 DEG C annealing 24h after, room temperature place cooling after, that is, obtain sliding bearing.
The sliding bearing and polyether sulfone and ultra-high molecular weight polyethylene obtained to embodiment 1-6 carry out PVvalue testing
Experiment.Test equipment is：MRH-3A type high-speed loop block frictional testing machines.Test condition is：Load 66N, rotating speed 210rpm, temperature
23±2℃。
Embodiment 7
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 24.6 weight portions.Particle is mixed
Compound by 10 weight portions end hydroxy butadiene-styrene thermoplastic polyurethane, the 2,4- hexadienes of 2 weight portions, 8 weight portions
Ultra-high molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 2 weight portions, the molybdenum bisuphide of 2 weight portions, 0.5 weight
The Brij30 of part and the cumyl peroxide composition of 0.1 weight portion.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, by the end hydroxy butadiene-styrene thermoplastic polyurethane of 10 weight portions, 2 weight portions 2,4- oneself
Diene, the ultra-high molecular weight polyethylene (molecular weight 8,000,000) of 8 weight portions, the polytetrafluoroethylene (PTFE) of 2 weight portions, two sulphur of 2 weight portions
Change the cumyl peroxide of molybdenum, the Brij30 of 0.5 weight portion and 0.1 weight portion, add premix in banbury,
It is subsequently adding in mill and beats triangle bag and be well mixed, through double screw extruder extruding pelletization, obtains granulate mixture；
Step 2, by the granulate mixture of 24.6 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 175 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 150 DEG C
Baking close annealing 2h, then by oven temperature be down to 90 DEG C annealing 48h after, room temperature place cooling after, that is, obtain sliding bearing.
Embodiment 8
Polyethersulfone Composites, are made up of the polyether sulfone of 100 weight portions and the granulate mixture of 66.5 weight portions.Particle is mixed
Compound by the end hydroxy butadiene thermoplastic polyurethane of 25 weight portions, the 2,4- hexadienes of 10 weight portions, 6 weight portions superelevation
Molecular weight polyethylene (molecular weight 8,000,000), the polytetrafluoroethylene (PTFE) of 10 weight portions, the molybdenum bisuphide of 10 weight portions, 5 weight portions it is poly-
The sulphur composition of oxygen ethene lauryl alcohol and 0.5 weight portion.
The preparation method of above-mentioned Polyethersulfone Composites：
Step one, by the end hydroxy butadiene thermoplastic polyurethane of 25 weight portions, 2,4- hexadienes, 6 of 10 weight portions
The ultra-high molecular weight polyethylene (molecular weight 8,000,000) of weight portion, the polytetrafluoroethylene (PTFE) of 10 weight portions, the curing of 10 weight portions
The sulphur of molybdenum, the Brij30 of 5 weight portions and 0.5 weight portion, adds premix in banbury, is subsequently adding mill
In beat triangle bag be well mixed, through double screw extruder extruding pelletization, obtain granulate mixture；
Step 2, by the granulate mixture of 66.5 weight portions and the polyethersulfone granules of 100 weight portions, add twin-screw extrusion
In machine, extruding pelletization at 175 DEG C obtains Polyethersulfone Composites.
Above-mentioned Polyethersulfone Composites as material for sliding bearing application：
Polyethersulfone Composites particle is added into injection machine injection moulding, injection temperature is 180 DEG C, is subsequently placed in 155 DEG C
Baking close annealing 1.5h, then by oven temperature be down to 95 DEG C annealing 36h after, room temperature place cooling after, that is, obtain sliding bearing.
Performance detection is carried out to the sliding bearing that embodiment 1-6 is obtained, test result is as shown in table 1.
The PVvalue testing experimental result of the sliding bearing that the embodiment 1-6 of table 1 is obtained
| Sample | Dry friction coefficient | Water lubrication coefficient |
| Embodiment 1 | 0.37 | 0.06 |
| Embodiment 2 | 0.30 | 0.06 |
| Embodiment 3 | 0.28 | 0.05 |
| Embodiment 4 | 0.26 | 0.05 |
| Embodiment 5 | 0.22 | 0.05 |
| Embodiment 6 | 0.22 | 0.03 |
| Embodiment 7 | 0.48 | 0.09 |
| Embodiment 8 | 0.19 | 0.02 |
| Polyether sulfone | 0.8 | 0.3 |
| Ultra-high molecular weight polyethylene | 0.14 | 0.1 |
As it can be seen from table 1 the present invention obtains Polyethersulfone Composites compared with pure polyethersulfone resin material, either do
Friction or water lubrication coefficient are all significantly improved, and possess good dry friction performance, particularly water lubrication friction system
Number is also small compared with ultra-high molecular weight polyethylene, with excellent water lubrication performance, can be made in sliding friction field
With.
Claims (7)
1. Polyethersulfone Composites, it is characterised in that the main polyether sulfone including 100 weight portions and 21.6~75.5 weight portions
Granulate mixture；
The granulate mixture mainly including the thermoplastic polyurethane of 10~30 weight portions, the 2,4- hexadienes of 2~10 weight portions,
The ultra-high molecular weight polyethylene of 5~10 weight portions, the molybdenum bisuphide of the polytetrafluoroethylene (PTFE) of 2~10 weight portions and 2~10 weight portions,
The crosslinking agent of the Brij30 of 0.5~5 weight portion and 0.1~0.5 weight portion；
Contain double bond structure unit in the soft section part of the thermoplastic polyurethane；
The weight average molecular weight of the ultra-high molecular weight polyethylene is 3,000,000~8,000,000；
The crosslinking agent is cumyl peroxide or sulphur.
2. Polyethersulfone Composites according to claim 1, it is characterised in that the soft section part of the thermoplastic polyurethane
For end hydroxy butadiene, hold amido polybutadiene, end hydroxy butadiene-styrene or end hydroxy butadiene-propylene
Nitrile.
3. the preparation method of the Polyethersulfone Composites described in claim 1 or 2, it is characterised in that comprise the following steps：
Step one, the thermoplastic polyurethane for weighing 10~30 weight portions, the 2,4- hexadienes of 2~10 weight portions, 5~10 weight portions
Ultra-high molecular weight polyethylene, the polytetrafluoroethylene (PTFE) of 2~10 weight portions, the molybdenum bisuphide of 2~10 weight portions, 0.5~5 weight portion
Brij30 and 0.1~0.5 weight portion crosslinking agent, add banbury in premix, be subsequently adding mill mix
Close uniform, extruded machine extruding pelletization obtains granulate mixture；
Step 2, the polyether sulfone of 100 weight portions is weighed, then weigh the granulate mixture of 21.6~75.5 weight portions, add extrusion
In machine, extruding pelletization obtains Polyethersulfone Composites.
4. the preparation method of Polyethersulfone Composites according to claim 3, it is characterised in that extruded in the step 2
The temperature of machine is 170-180 DEG C.
5. the Polyethersulfone Composites described in claim 1 or 2 are used as material for sliding bearing application.
6. application according to claim 5, it is characterised in that the application is that Polyethersulfone Composites are added into injection machine
Injection moulding, is subsequently placed in 150-160 DEG C of baking close annealing 1-2h, then oven temperature is down into 90-100 DEG C of annealing 24-48h
Afterwards, after room temperature places cooling, that is, sliding bearing is obtained.
7. application according to claim 6, it is characterised in that the processing temperature of the injection moulding is 170-180 DEG C.
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| DE19961040A1 (en) * | 1999-12-16 | 2001-06-21 | Basf Ag | Thermoplastic molding compounds with improved processing behavior based on polyarylene ether sulfones and polyamides |
| CN101200552B (en) * | 2007-11-27 | 2011-09-14 | 信义集团公司 | Polyethersulfone ketone modified resin based friction material |
| US8193296B2 (en) * | 2010-06-30 | 2012-06-05 | Nike, Inc. | Golf balls including crosslinked thermoplastic polyurethane |
| US8686069B2 (en) * | 2010-10-12 | 2014-04-01 | Hexcel Corporation | Solvent resistance of epoxy resins toughened with polyethersulfone |
| CN102093716B (en) * | 2010-12-30 | 2013-06-12 | 长沙理工大学 | Polyphenylene sulfide/polyether sulfone-based compound material and preparation method thereof as well as wear-resistant part prepared from polyphenylene sulfide/polyether sulfone-based compound material |
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