CN106633695A - High-molecular self-lubricating material, preparation method of high-molecular self-lubricating material, and plate spring flanged bushing made of high-molecular self-lubricating material - Google Patents
High-molecular self-lubricating material, preparation method of high-molecular self-lubricating material, and plate spring flanged bushing made of high-molecular self-lubricating material Download PDFInfo
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- CN106633695A CN106633695A CN201611145971.0A CN201611145971A CN106633695A CN 106633695 A CN106633695 A CN 106633695A CN 201611145971 A CN201611145971 A CN 201611145971A CN 106633695 A CN106633695 A CN 106633695A
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- 239000000463 material Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 32
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 27
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 238000001746 injection moulding Methods 0.000 claims abstract description 21
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000012745 toughening agent Substances 0.000 claims abstract description 10
- 229920002521 macromolecule Polymers 0.000 claims description 75
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 241001101025 Lilaeopsis Species 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 20
- 230000003078 antioxidant effect Effects 0.000 claims description 14
- 238000005453 pelletization Methods 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 21
- 239000004810 polytetrafluoroethylene Substances 0.000 description 21
- 238000012360 testing method Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 229920001971 elastomer Polymers 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 239000005060 rubber Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
- B60G11/12—Links, pins, or bushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Springs (AREA)
Abstract
The invention discloses a high-molecular self-lubricating material and a preparation method of the high-molecular self-lubricating material. The high-molecular self-lubricating material is prepared from the following ingredients in parts by weight: 100 parts of polybutylene terephthalate resin, 5 to 30 parts of aramid fiber, 3 to 20 parts of wear-resistant agents, 5 to 12 parts of toughening agents, 0.1 to 2.0 parts of antioxidants and 0.1 to 2.0 parts of stabilizing agents. The high-molecular self-lubricating material has the advantages that the mechanical property is excellent; the wear-resistant performance is excellent; the dimension stability is high. The invention also discloses a plate spring flanged bushing, which is made of the high-molecular self-lubricating material through injection molding. The plate spring flanged bushing has the advantages that the structure is simple; the weight is light; the maintenance is avoided; the abrasion resistance is realized.
Description
Technical field
The present invention relates to composite and technical field of automobile parts, and in particular to a kind of macromolecule self-lubricating material and
Its preparation method, by made by the macromolecule self-lubricating material leaf spring grasswort bushing.
Background technology
It is domestic that more and more strictly client is to business is required using standard to commercial car with the continuous development of commercial car technology
The ride comfort run with car car load and control stability require also more and more higher.Commercial car plate spring suspension brackets are no longer simply focused on
The load of vehicle, plate spring suspension system part is also evolving, and lightweight, low-maintenance cost, corrosion resistant are its parts
Development trend.
The leaf spring grasswort bushing of commercial car is arranged in the grasswort of leaf spring, and leaf spring pin is arranged on leaf spring grasswort bushing
In.The effect of leaf spring grasswort bushing is the impact for buffering leaf spring to leaf spring pin, and leaf spring of decaying passes to the vibration of leaf spring pin, to carry
The ride comfort of high car load traveling.At present, leaf spring grasswort bushing mainly has based on two kinds of bimetallic material axle sleeve and rubber axle sleeve.
The development of self-lubricating bushing technology is breached by the limitation of grease lubrication, realizes oil-free or few glossy
It is sliding, therefore become the focus of tribological field.Self-lubricating bushing is broadly divided into Metal Substrate, polymer-based and metal high score
Sub- composite base three types, due to macromolecular material have light weight, it is low to steel coefficient of friction, mating plate, corrosion resistant can be protected
The advantages of erosion, therefore more and more applied.
Used as auto parts and components, current leaf spring bushing substantially can be divided three classes：One kind is metal lining structure, one
As, maintenance trouble complicated using powder metallurgy lining or bimetal liner structure, this kind of bush structure, need Jing often to add profit
Lubricating oil, and it is relatively costly；One kind be rubber bushing, this kind of bushing in the form of internal lining pipe and outer tube vulcanized rubber, in work
During work, rubber part bears the torsional deflection of internal lining pipe and rubber parts, affects its service life；Another is rubber
The compound bushing of plastics, it is that rubber part internal layer is parts of plastics that structure is outer layer, and great majority are using polyurethane or nylon material
Matter, this simple structure, and whole suspension system rigidity is not affected, but bush structure is complicated, increased car load non-standard
The use of part.
The content of the invention
The technical problem to be solved is to overcome the shortcomings of to be mentioned and defect in background above technology, there is provided one
Kind of excellent in mechanical performance, anti-wear performance are outstanding, the macromolecule self-lubricating material of excellent size stability and preparation method thereof and
Light weight, anti abrasive leaf spring grasswort bushing by made by the macromolecule self-lubricating material.
To solve above-mentioned technical problem, technical scheme proposed by the present invention is：
A kind of macromolecule self-lubricating material, by weight including following components：Polybutylene terephthalate (PBT) resin
100 parts, aramid fiber 5-30 parts, anti-wear agent 3-20 parts, toughener 5-12 parts, antioxidant 0.1-2.0 parts and stabilizer 0.1-2.0
Part.The macromolecule self-lubricating material is using polybutylene terephthalate (PBT) resin as matrix material, poly terephthalic acid fourth two
Alcohol ester resin is engineering plastics, itself has certain wearability, and heat resistance is outstanding, and water absorption rate is low, it is ensured that produce
The dimensional stability of product.Adding aramid fiber in polybutylene terephthalate (PBT) reisn base material can improve the mould of material
Amount and wearability.Addition anti-wear agent can reduce the coefficient of friction of material, reduce abrasion, make material have self-lubricating feature, enter one
Step improves the wearability of material.Addition toughener can improve the mechanical property of material.Addition antioxidant and stabilizer can be carried significantly
The ageing resistace of high material.Using said components and composition and ratio, the macromolecule self-lubricating material mechanical performance is excellent, wear-resisting
Performance is outstanding, excellent size stability.
As the further improvement to above-mentioned technical proposal：
Preferably, the macromolecule self-lubricating material includes by weight following components：Polybutylene terephthalate
100 parts of ester resin, aramid fiber 18-22 parts, anti-wear agent 4-6 parts, toughener 5-6 parts, antioxidant 0.25-0.45 parts, stabilizer
0.25-0.45 parts.The anti-wear performance of the macromolecule self-lubricating material constituted using said ratio more outstanding, dimensional stability
More preferably.
Preferably, the aramid fiber is one or more in aramid fiber long fibre, aramid fiber short fibre and aramid fiber powder.
Preferably, the anti-wear agent is one or more in polytetrafluoroethylene (PTFE), graphite and molybdenum bisuphide.More preferably adopt
Use polytetrafluoroethylene (PTFE).
Preferably, the toughener is the one kind or several in ABS resin, ethylene propylene diene rubber and ethylene-octene copolymer
Kind.
Used as a total technology design, another aspect of the present invention provides a kind of system of above-mentioned macromolecule self-lubricating material
Preparation Method, comprises the following steps：
(1) polybutylene terephthalate (PBT) resin is placed in baking oven and is dried, after 100 parts of dryings are then taken by weight
Polybutylene terephthalate (PBT) resin and the anti-wear agent of corresponding weight portion, toughener, antioxidant and stabilizer be placed in height
Batch mixing is carried out in fast batch mixer；
(2) material after the completion of step (1) batch mixing is added into double screw extruder, phase is added by side feeding manner
The aramid fiber of weight portion is answered, melt blending is then carried out, finally by extruding pelletization, that is, macromolecule self-lubricating material is obtained.
Above-mentioned preparation method, it is preferred that in step (1), the temperature of the drying is 100 DEG C -120 DEG C, when dry
Between be 4-8h；The time of the batch mixing is 5-15min.
Above-mentioned preparation method, it is furthermore preferred that in step (2), the extrusion temperature of the extruding pelletization is 200 DEG C -250
DEG C, the screw speed of the double screw extruder is 100-350rpm.
Used as a total technology design, another aspect of the present invention additionally provides a kind of leaf spring grasswort bushing, the leaf spring volume
The macromolecule self-lubricating material that ear bushing is prepared by above-mentioned macromolecule self-lubricating material or by above-mentioned preparation method
Obtained by injection mo(u)lding.Because using above-mentioned macromolecule self-lubricating material, the leaf spring grasswort bushing is compared to existing gold
Category bushing, rubber bushing and rubber plastic composite bush have light weight, non-maintaining, anti abrasive advantage, meet current automobile
Lightweight, the requirement of low power consuming.
Above-mentioned leaf spring grasswort bushing, it is preferred that the injection-moulding step is specific as follows：By the macromolecule self-lubricating
Material is placed in baking oven and 4-8h is dried at 100 DEG C -120 DEG C, and then macromolecule self-lubricating material is added the barrel of injection machine
In carry out injection mo(u)lding, obtain final product leaf spring grasswort bushing, in injection molding process injection temperature control at 200 DEG C -260 DEG C, injection
In 40-120MPa, injection moulding speed controls the 30%-80% in injection machine maximum injection moulding speed to Stress control.
Compared with prior art, it is an advantage of the current invention that：The macromolecule self-lubricating material adopts poly terephthalic acid fourth
Material based on terephthalate resin, and add aramid fiber, anti-wear agent, toughener, antioxidant and stabilizer in matrix material.
Polybutylene terephthalate (PBT) resin itself has certain wearability, and heat resistance is outstanding, and water absorption rate is low.Aramid fiber is fine
Dimension can improve the modulus and wearability of material, and anti-wear agent can reduce the coefficient of friction of material, reduce abrasion, have material and moisten certainly
Slip, and further improve the wearability of material.The macromolecule self-lubricating material mechanical performance is excellent, anti-wear performance outstanding,
Excellent size stability.It is good using leaf spring grasswort bushing light weight, the abrasion resistance properties made by macromolecule self-lubricating material, symbol
Close automotive light weight technology, the requirement of low power consuming.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of leaf spring grasswort bushing of the present invention.
Specific embodiment
For the ease of understanding the present invention, more complete is made to the present invention below in conjunction with Figure of description and preferred embodiment
Face, meticulously describe, but protection scope of the present invention is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit the present invention
Protection domain.
Unless otherwise specified, various raw material, reagent, instrument and equipment used in the present invention etc. can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1：
Macromolecule self-lubricating material of the present invention and preparation method thereof, by made by the macromolecule self-lubricating material leaf spring grasswort
A kind of embodiment of bushing, the macromolecule self-lubricating material includes by weight following components：100 parts of poly terephthalic acid fourths
Terephthalate resin, 5 parts of aramid fiber long fibres, 3 parts of polytetrafluoroethylene (PTFE) (PTFE, anti-wear agent), 5 parts of ethylene propylene diene rubbers (EPDM, toughness reinforcings
Agent), 0.1 part of antioxidant and 0.1 part of stabilizer.
The macromolecule self-lubricating material is prepared by following methods：
(1) polybutylene terephthalate (PBT) resin is placed in baking oven and 4h is dried at 120 DEG C, then taken 100kg and do
Polybutylene terephthalate (PBT) resin, 3kg polytetrafluoroethylene (PTFE), 5kg ethylene propylene diene rubbers, 0.1kg antioxidant after dry and
0.1kg stabilizers are placed in high speed mixer carries out batch mixing 15min；
(2) material after the completion of step (1) batch mixing is added into double screw extruder, is added by side feeding manner
5kg aramid fiber long fibres, then carry out melt blending, finally by extruding pelletization, that is, macromolecule self-lubricating material are obtained, wherein squeezing
Go out temperature for 250 DEG C, the screw speed of double screw extruder is 350rpm.
Tensile strength, density, coefficient of friction, abrasion and water absorption rate to the macromolecule self-lubricating material is tested.Its
In, the method for testing of tensile strength is carried out using testing standard GB/T1040, and coefficient of friction and abrasion adopt ASTM G99-05 sides
Method is tested, and water absorption rate (embodying the dimensional stability of material) is carried out using testing standard GB/T1034.Concrete test result is shown in Table
1。
With the macromolecule self-lubricating material as raw material, leaf spring grasswort bushing is prepared by injection mo(u)lding.Injection mo(u)lding
Concretely comprise the following steps：Macromolecule self-lubricating material is placed in baking oven 4h is dried at 120 DEG C, then by macromolecule self-lubricating material
Injection mo(u)lding is carried out in the barrel of material addition injection machine, injection temperature is 260 DEG C in injection molding process, and injection pressure is
40MPa, injection moulding speed is the 30% of injection machine maximum injection moulding speed.The structure of the leaf spring grasswort bushing is as shown in Figure 1.
Embodiment 2：
Macromolecule self-lubricating material of the present invention and preparation method thereof, by made by the macromolecule self-lubricating material leaf spring grasswort
A kind of embodiment of bushing, the macromolecule self-lubricating material includes by weight following components：100 parts of poly terephthalic acid fourths
Terephthalate resin, 30 parts of aramid fiber short fibres, 10 parts of polytetrafluoroethylene (PTFE), 10 parts of graphite, 12 parts of ABS resins, 2.0 parts of antioxidant and
2.0 parts of stabilizers.
The macromolecule self-lubricating material is prepared by following methods：
(1) polybutylene terephthalate (PBT) resin is placed in baking oven and 6h is dried at 110 DEG C, then taken 100kg and do
Polybutylene terephthalate (PBT) resin, 10kg polytetrafluoroethylene (PTFE), 10kg graphite after dry, 12kgABS resin (acrylic nitrile-butadienes
Diene-styrene copolymer), 2.0kg antioxidant and 2.0kg stabilizers be placed in high speed mixer and carry out batch mixing 10min；
(2) material after the completion of step (1) batch mixing is added into double screw extruder, is added by side feeding manner
30kg aramid fiber short fibres, then carry out melt blending, finally by extruding pelletization, that is, obtain macromolecule self-lubricating material, wherein
Extrusion temperature is 220 DEG C, and the screw speed of double screw extruder is 250rpm.
Tensile strength, density, coefficient of friction, abrasion and water absorption rate to the macromolecule self-lubricating material is tested.Its
In, the method for testing of tensile strength is carried out using testing standard GB/T1040, and coefficient of friction and abrasion adopt ASTM G99-05 sides
Method is tested, and water absorption rate is carried out using testing standard GB/T1034.Concrete test result is shown in Table 1.
With the macromolecule self-lubricating material as raw material, leaf spring grasswort bushing is prepared by injection mo(u)lding.Injection mo(u)lding
Concretely comprise the following steps：Macromolecule self-lubricating material is placed in baking oven 6h is dried at 110 DEG C, then by macromolecule self-lubricating material
Injection mo(u)lding is carried out in the barrel of material addition injection machine, injection temperature is 230 DEG C in injection molding process, and injection pressure is
80MPa, injection moulding speed is the 60% of injection machine maximum injection moulding speed.The structure of the leaf spring grasswort bushing is as shown in Figure 1.
Embodiment 3：
Macromolecule self-lubricating material of the present invention and preparation method thereof, by made by the macromolecule self-lubricating material leaf spring grasswort
A kind of embodiment of bushing, the macromolecule self-lubricating material includes by weight following components：100 parts of poly terephthalic acid fourths
Terephthalate resin, 20 parts of aramid fiber powder, 10 parts of polytetrafluoroethylene (PTFE), 5 parts of molybdenum bisuphide, 8 parts of ethylene propylene diene rubbers, 1 part of antioxidant
With 1 part of stabilizer.
The macromolecule self-lubricating material is prepared by following methods：
(1) polybutylene terephthalate (PBT) resin is placed in baking oven and 6h is dried at 110 DEG C, then taken 100kg and do
Polybutylene terephthalate (PBT) resin, 10kg polytetrafluoroethylene (PTFE) after dry, 5kg molybdenum bisuphide, 8kg ethylene propylene diene rubbers, 1kg
Antioxidant and 1kg stabilizers are placed in high speed mixer carries out batch mixing 10min；
(2) material after the completion of step (1) batch mixing is added into double screw extruder, is added by side feeding manner
20kg aramid fiber powder, then carries out melt blending, finally by extruding pelletization, that is, macromolecule self-lubricating material is obtained, wherein squeezing
Go out temperature for 230 DEG C, the screw speed of double screw extruder is 200rpm.
Tensile strength, density, coefficient of friction, abrasion and water absorption rate to the macromolecule self-lubricating material is tested.Its
In, the method for testing of tensile strength is carried out using testing standard GB/T1040, and coefficient of friction and abrasion adopt ASTM G99-05 sides
Method is tested, and water absorption rate is carried out using testing standard GB/T1034.Concrete test result is shown in Table 1.
With the macromolecule self-lubricating material as raw material, leaf spring grasswort bushing is prepared by injection mo(u)lding.Injection mo(u)lding
Concretely comprise the following steps：Macromolecule self-lubricating material is placed in baking oven 6h is dried at 110 DEG C, then by macromolecule self-lubricating material
Injection mo(u)lding is carried out in the barrel of material addition injection machine, injection temperature is 230 DEG C in injection molding process, and injection pressure is
80MPa, injection moulding speed is the 70% of injection machine maximum injection moulding speed.The structure of the leaf spring grasswort bushing is as shown in Figure 1.
Embodiment 4：
Macromolecule self-lubricating material of the present invention and preparation method thereof, by made by the macromolecule self-lubricating material leaf spring grasswort
A kind of embodiment of bushing, the macromolecule self-lubricating material includes by weight following components：100 parts of poly terephthalic acid fourths
Terephthalate resin, 20 parts of aramid fiber short fibres, 5 parts of polytetrafluoroethylene (PTFE), 5 parts of ethylene-octene copolymers (POE, toughener), 0.3 part
Antioxidant and 0.4 part of stabilizer.
The macromolecule self-lubricating material is prepared by following methods：
(1) polybutylene terephthalate (PBT) resin is placed in baking oven and 8h is dried at 120 DEG C, then taken 100kg and do
Polybutylene terephthalate (PBT) resin, 5kg polytetrafluoroethylene (PTFE), 5kg ethylene-octene copolymers, 0.3kg antioxidant after dry and
0.4kg stabilizers are placed in high speed mixer carries out batch mixing 15min；
(2) material after the completion of step (1) batch mixing is added into double screw extruder, is added by side feeding manner
20kg aramid fiber short fibres, then carry out melt blending, finally by extruding pelletization, that is, obtain macromolecule self-lubricating material, wherein
Extrusion temperature is 220 DEG C, and the screw speed of double screw extruder is 300rpm.
Tensile strength, density, coefficient of friction, abrasion and water absorption rate to the macromolecule self-lubricating material is tested.Its
In, the method for testing of tensile strength is carried out using testing standard GB/T1040, and coefficient of friction and abrasion adopt ASTM G99-05 sides
Method is tested, and water absorption rate is carried out using testing standard GB/T1034.Concrete test result is shown in Table 1.
With the macromolecule self-lubricating material as raw material, leaf spring grasswort bushing is prepared by injection mo(u)lding.Injection mo(u)lding
Concretely comprise the following steps：Macromolecule self-lubricating material is placed in baking oven 8h is dried at 120 DEG C, then by macromolecule self-lubricating material
Injection mo(u)lding is carried out in the barrel of material addition injection machine, injection temperature is 230 DEG C in injection molding process, and injection pressure is
80MPa, injection moulding speed is the 60% of injection machine maximum injection moulding speed.The structure of the leaf spring grasswort bushing is as shown in Figure 1.
The performance test data of the macromolecule self-lubricating material of each embodiment of table 1
From table 1, the macromolecule self-lubricating material of the present invention has higher mechanical property；Relatively low water absorption rate is caused
Leaf spring grasswort bushing has preferable dimensional stability by made by the macromolecule self-lubricating material；The macromolecule self-lubricating material
Density be only less than the 1/5 of metal, leaf spring grasswort bushing prepared therefrom is capable of achieving light weight effect；Relatively low coefficient of friction
Can make product that there is self-lubricating property and longer service life with abrasion.And more preferred formula is adopted in embodiment 4, it is high
The water absorption rate of molecule self-lubricating material is lower, two hours wear extenies are less, illustrate the macromolecule that obtained using preferably filling a prescription oneself
Lubriation material has more outstanding dimensional stability and more preferable wearability.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of macromolecule self-lubricating material, it is characterised in that the macromolecule self-lubricating material includes by weight following
Component：
2. macromolecule self-lubricating material according to claim 1, it is characterised in that the macromolecule self-lubricating material is by weight
Amount part meter includes following components：
3. macromolecule self-lubricating material according to claim 1 and 2, it is characterised in that the aramid fiber is that aramid fiber is long
One or more in fiber, aramid fiber short fibre and aramid fiber powder.
4. macromolecule self-lubricating material according to claim 1 and 2, it is characterised in that the anti-wear agent is polytetrafluoroethyl-ne
One or more in alkene, graphite and molybdenum bisuphide.
5. macromolecule self-lubricating material according to claim 1 and 2, it is characterised in that the toughener be ABS resin,
One or more in ethylene propylene diene rubber and ethylene-octene copolymer.
6. a kind of preparation method of the macromolecule self-lubricating material as any one of claim 1-5, comprises the following steps：
(1) polybutylene terephthalate (PBT) resin is placed in baking oven and is dried, then take by weight 100 parts it is dried poly-
The anti-wear agent of mutual-phenenyl two acid bromide two alcohol ester's resin and corresponding weight portion, toughener, antioxidant and stabilizer are placed in mixed at a high speed
Batch mixing is carried out in material machine；
(2) material after the completion of step (1) batch mixing is added into double screw extruder, corresponding weight is added by side feeding manner
The aramid fiber of amount part, then carries out melt blending, finally by extruding pelletization, that is, obtains macromolecule self-lubricating material.
7. preparation method according to claim 6, it is characterised in that in step (1), the temperature of the drying is 100 DEG C-
120 DEG C, the dry time is 4-8h；The time of the batch mixing is 5-15min.
8. the preparation method according to claim 6 or 7, it is characterised in that in step (2), the extrusion of the extruding pelletization
Temperature is 200 DEG C -250 DEG C, and the screw speed of the double screw extruder is 100-350rpm.
9. a kind of leaf spring grasswort bushing, it is characterised in that the leaf spring grasswort bushing is by any one of claim 1-5
The macromolecule self-lubricating that macromolecule self-lubricating material or the preparation method by any one of claim 6-8 are prepared
Material is obtained by injection mo(u)lding.
10. leaf spring grasswort bushing according to claim 9, it is characterised in that the injection-moulding step is specific as follows：Will
The macromolecule self-lubricating material is placed in baking oven and 4-8h is dried at 100 DEG C -120 DEG C, then by macromolecule self-lubricating material
Injection mo(u)lding is carried out in the barrel for adding injection machine, leaf spring grasswort bushing is obtained final product, injection temperature control in injection molding process exists
200 DEG C -260 DEG C, in 40-120MPa, injection moulding speed controls the 30%- in injection machine maximum injection moulding speed for injection pressure control
80%.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286600A (en) * | 2017-07-21 | 2017-10-24 | 安徽江淮汽车集团股份有限公司 | A kind of high-toughness wear-resistant PBT composite and preparation method thereof |
| CN108485212A (en) * | 2018-04-17 | 2018-09-04 | 株洲时代新材料科技股份有限公司 | A kind of macromolecule self-lubricating material and the preparation method and application thereof |
| CN109135278A (en) * | 2018-08-09 | 2019-01-04 | 南京欧纳壹有机光电有限公司 | A kind of engineering plastics and its preparation process with higher abrasion resistance |
| CN114605785A (en) * | 2021-12-08 | 2022-06-10 | 上海聚威新材料股份有限公司 | High-wear-resistance and high-toughness PBT (polybutylene terephthalate) material for automobile stay cables and preparation method thereof |
| CN114752192A (en) * | 2022-05-11 | 2022-07-15 | 深圳市汉森姆新材料有限公司 | Aramid fiber and glass fiber modified PET composite material and preparation method thereof |
| US11529901B2 (en) | 2018-09-28 | 2022-12-20 | Ka Group Ag | Grab bar assembly for a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997031055A1 (en) * | 1995-02-28 | 1997-08-28 | Hoechst Celanese Corporation | Thermoplastic polymer composition with improved wear properties |
| CN104693696A (en) * | 2013-12-05 | 2015-06-10 | 上海杰事杰新材料(集团)股份有限公司 | Modified polybutylene telephthalate material and preparation method thereof |
| CN105566865A (en) * | 2015-12-29 | 2016-05-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Wear and hydrolysis resistant PBT material, preparation method thereof, bowl blanket and dish washing machine |
| CN105864296A (en) * | 2015-01-21 | 2016-08-17 | 株洲时代新材料科技股份有限公司 | Polyester material sliding bearing and production method thereof |
-
2016
- 2016-12-13 CN CN201611145971.0A patent/CN106633695A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997031055A1 (en) * | 1995-02-28 | 1997-08-28 | Hoechst Celanese Corporation | Thermoplastic polymer composition with improved wear properties |
| CN104693696A (en) * | 2013-12-05 | 2015-06-10 | 上海杰事杰新材料(集团)股份有限公司 | Modified polybutylene telephthalate material and preparation method thereof |
| CN105864296A (en) * | 2015-01-21 | 2016-08-17 | 株洲时代新材料科技股份有限公司 | Polyester material sliding bearing and production method thereof |
| CN105566865A (en) * | 2015-12-29 | 2016-05-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Wear and hydrolysis resistant PBT material, preparation method thereof, bowl blanket and dish washing machine |
Non-Patent Citations (3)
| Title |
|---|
| 姜作义，张和善: "《纤维—树脂复合材料技术与应用》", 31 October 1990, 中国标准出版社 * |
| 戴铭英等: "《微型汽车使用与维修》", 31 December 1991, 金盾出版社 * |
| 邓如生: "《共混改性工程塑料》", 30 July 2003, 化学工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286600A (en) * | 2017-07-21 | 2017-10-24 | 安徽江淮汽车集团股份有限公司 | A kind of high-toughness wear-resistant PBT composite and preparation method thereof |
| CN108485212A (en) * | 2018-04-17 | 2018-09-04 | 株洲时代新材料科技股份有限公司 | A kind of macromolecule self-lubricating material and the preparation method and application thereof |
| CN109135278A (en) * | 2018-08-09 | 2019-01-04 | 南京欧纳壹有机光电有限公司 | A kind of engineering plastics and its preparation process with higher abrasion resistance |
| US11529901B2 (en) | 2018-09-28 | 2022-12-20 | Ka Group Ag | Grab bar assembly for a vehicle |
| CN114605785A (en) * | 2021-12-08 | 2022-06-10 | 上海聚威新材料股份有限公司 | High-wear-resistance and high-toughness PBT (polybutylene terephthalate) material for automobile stay cables and preparation method thereof |
| CN114605785B (en) * | 2021-12-08 | 2022-10-04 | 上海聚威新材料股份有限公司 | High-wear-resistance and high-toughness PBT (polybutylene terephthalate) material for automobile stay cables and preparation method thereof |
| CN114752192A (en) * | 2022-05-11 | 2022-07-15 | 深圳市汉森姆新材料有限公司 | Aramid fiber and glass fiber modified PET composite material and preparation method thereof |
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