CN109135174A - A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof - Google Patents
A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof Download PDFInfo
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- CN109135174A CN109135174A CN201710462521.2A CN201710462521A CN109135174A CN 109135174 A CN109135174 A CN 109135174A CN 201710462521 A CN201710462521 A CN 201710462521A CN 109135174 A CN109135174 A CN 109135174A
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- ether
- polyether
- ketone
- composite material
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- 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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- 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
Abstract
The present invention provides a kind of rigidity-toughness balanced polyether-ether-ketone composite material, is prepared by weight percentage by following components: polyether-ether-ketone 55%-85%, polytetrafluoroethylene (PTFE) 2%-10%, reinforcing agent 10%-30%, compatilizer 2-8%, antioxidant 0.1%-0.3%.The present invention utilizes reinforcing agent and polytetrafluoroethylmodified modified polyether-ether-ketone, improves the processing performance of material, technological forming is good, oil-free lubrication, high temperature resistant, and low-friction coefficient is small to wear and tear in machines；And optimize the mechanical performance of material simultaneously, its application range is extended, makes that it is suitable for the fields such as aerospace, auto industry, electric and medical instrument.
Description
Technical field
The invention belongs to polyether-ether-ketone composite material technical fields, and in particular to a kind of rigidity-toughness balanced polyether-ether-ketone composite wood
Material and preparation method thereof.
Background technique
Polyether-ether-ketone (PEEK) is successfully to be researched and developed earliest by Britain's Weeks (Victrex) company and realize the novel of volume production
The resistance to temperature high-performance polyetheretherketonematerials materials of superelevation, product name VICTREX, it has, and rigidity is big, heat resistance is high, intensity is high, electrically
Can be excellent, anti-flammability is good the advantages that.In many special dimensions such as aerospace, auto industry, electric and medical instrument
Equal fields can substitute the components that the traditional materials such as metal, ceramics are used as various high-precisions, high request.But due to polyether-ether-ketone
It is expensive, limit it in the application in some fields.In addition, its impact strength is poor, in order to further increase its property
Can, with meet every field comprehensive performance and diversified needs, can be used the methods of filling, blending, crosslinking, grafting to its into
Row is modified, to obtain more excellent performance of PEEK plastic alloy or PEEK composite material.
But due to its high-temperature resistant, mobility is poor, processing temperature height (300-400 DEG C), it is serious to wear and tear in machines.It is necessary
Using special technological parameter, machinery equipment performance is very good and screw combinations reasonably produce very much.
Summary of the invention
Limitation, and the application model of further expansion polyether-ether-ketone are produced caused by existing performance for polyether-ether-ketone
It encloses, the object of the present invention is to provide a kind of polyether-ether-ketone composite materials of rigidity-toughness balanced, it is intended to meet current material in high-performance
The requirement of aspect, while improving moulding process, reduce production cost.
It is a further object of the present invention to provide a kind of preparation methods of above-mentioned rigidity-toughness balanced polyether-ether-ketone composite material.
Technical scheme is as follows:
The present invention provides a kind of rigidity-toughness balanced polyether-ether-ketone composite material, which includes following weight percentage
Component: polyether-ether-ketone 55%-85%, polytetrafluoroethylene (PTFE) 2%-10%, reinforcing agent 10%-30%, compatilizer 2-8% and antioxidant
0.1%-0.3%.
The polyether-ether-ketone is one of extrusion grade, injection molding stage polyetheretherketoneresin.
The polytetrafluoroethylene (PTFE) is ptfe micropowder.
The reinforcing agent is the one or two of aluminium borate whisker, alkali magnesium sulfate crystal whisker, the polyimide fiber that is chopped
Above mixture.
The compatilizer is type siloxane compatilizer.
The antioxidant is the mixed of one or more of antioxidant 1010, antioxidant 1076 or irgasfos 168
Close object.
The present invention also provides a kind of preparation method of rigidity-toughness balanced polyether-ether-ketone composite material, this method includes following step
It is rapid:
(1) by the polyether-ether-ketone of 55%-85% (weight), the polytetrafluoroethylene (PTFE) of 2-10% (weight), 2%-8% (weight)
Compatilizer and 0.1%-0.3% (weight) antioxidant be uniformly mixed；
(2) mixture that step (1) obtains is added twin-screw extrude from main spout, while by 10-30%'s
Reinforcing agent is added twin-screw extrude by side feed material, through melting, blending, extrusion, traction, granulation, obtains composite material.
Further scheme, the double screw extruder are parallel dual-screw extruding machine, and draw ratio is at least 32, are squeezed out
The revolving speed of machine is 180-400 revs/min, and extrusion temperature is 320-380 DEG C.
The present invention compared with the existing technology, is had the following advantages and beneficial effects:
1, the present invention compounds polyether-ether-ketone by selection polytetrafluoroethylene material, and material is made to have lower coefficient of friction,
Oil-free lubrication effect is good, improves processing performance, keeps its technological forming good, oil-free lubrication, high temperature resistant, low-friction coefficient, to machine
Device abrasion is small.
2, the present invention is added reinforcing agent and imparts the excellent comprehensive performance of polyether-ether-ketone composite material, applies it more
In aerospace, automobile industry.
Specific embodiment
The model of rigidity-toughness balanced polyether-ether-ketone composite material material therefor of the invention is as follows:
Wherein polyether-ether-ketone used is the 2200LF, India Gharda 1200P of U.S. RTP；
Polytetrafluoroethylene (PTFE) used is the auspicious ptfe micropowder in the sky；
Reinforcing agent used is aluminium borate NP-BW2, the magnesium sulfate-WS-1S2 of peak Zhu, the polyimide fiber of mind difficult to understand；
Compatilizer used is DOW CORNING RM4-7081；
Antioxidant used is 1010, irgasfos 168 and antioxidant 1076；
The present invention is further illustrated with reference to embodiments.
Embodiment 1
By 550g polyether-ether-ketone 2200LF, 100g ptfe micropowder, 50g compatilizer RM4-7081,1g antioxidant
1010 and 2g antioxidant 1076 is put into high-speed mixer and mixes 5 minutes；Twin-screw is added from main spout in mixture to squeeze
Out in machine, while 300g aluminium borate whisker being added twin-screw extrude by side feed material, squeezes out, draws, makes through melt blending
Grain obtains composite material.Wherein the draw ratio of extruder be 32,330 DEG C of extruder barrel temperature, 180 revs/min of revolving speed.
Obtained composite material is subjected to injection molding using injection moulding machine, 360 DEG C of injection temperature, obtains standard mechanics
Test bars carry out properties of product test.Test data is shown in Table 1.
Embodiment 2
By 850g polyether-ether-ketone 2200LF, 20g ptfe micropowder, 30g compatilizer RM4-7081,1g antioxidant 1010
And 2g antioxidant 1076 is put into high-speed mixer and mixes 5 minutes；Double screw extruder is added from main spout in mixture
In, while 100g magnesium sulfate-WS-1S2 being added twin-screw extrude by side feed material, it squeezes out, traction, be granulated through melt blending
Obtain composite material.Wherein the draw ratio of extruder be 32,330 DEG C of extruder barrel temperature, 180 revs/min of revolving speed.
Obtained composite material is subjected to injection molding using injection moulding machine, 360 DEG C of injection temperature, obtains standard mechanics
Test bars carry out properties of product test.Test data is shown in Table 1.
Embodiment 3
By 720g polyether-ether-ketone 2200LF, 50g ptfe micropowder, 80g compatilizer RM4-7081,1g antioxidant 1010
And 2g antioxidant 1076 is put into high-speed mixer and mixes 5 minutes；Double screw extruder is added from main spout in mixture
In, while 150g magnesium sulfate-WS-1S2 being added twin-screw extrude by side feed material, it squeezes out, traction, be granulated through melt blending
Obtain composite material.Wherein the draw ratio of extruder be 32,330 DEG C of extruder barrel temperature, 180 revs/min of revolving speed.
Obtained composite material is subjected to injection molding using injection moulding machine, 360 DEG C of injection temperature, obtains standard mechanics
Test bars carry out properties of product test.Test data is shown in Table 1.
Embodiment 4
By 680g polyether-ether-ketone 1200P, 50g ptfe micropowder, 20g compatilizer RM4-7081,1g antioxidant 1010
And 2g antioxidant 1076 is put into high-speed mixer and mixes after five minutes；Twin-screw extrusion is added from main spout in mixture
In machine, while 250g polyimide fiber being added twin-screw extrude by side feed material, squeezes out, draws, makes through melt blending
Grain obtains composite material.Wherein the draw ratio of extruder be 32,330 DEG C of extruder barrel temperature, 180 revs/min of revolving speed.
Obtained composite material is subjected to injection molding using injection moulding machine, 360 DEG C of injection temperature, obtains standard mechanics
Test bars carry out properties of product test.Test data is shown in Table 1.
Embodiment 5
By 570g polyether-ether-ketone 1200P, 100g ptfe micropowder, 30g compatilizer RM4-7081,1g antioxidant 1010
And 2g antioxidant 1076 is put into high-speed mixer and mixes 5 minutes；Double screw extruder is added from main spout in mixture
In, while 300g polyimide fiber being added twin-screw extrude by side feed material, it squeezes out, traction, be granulated through melt blending
Obtain composite material.Wherein the draw ratio of extruder be 32,330 DEG C of extruder barrel temperature, 180 revs/min of revolving speed.
Obtained composite material is subjected to injection molding using injection moulding machine, 360 DEG C of injection temperature, obtains standard mechanics
Test bars carry out properties of product test.Test data is shown in Table 1.
Comparative example
1000g polyether-ether-ketone 1200P, 1g antioxidant 1010 and 2g antioxidant 1076 are put into high-speed mixer and are mixed
It takes out after five minutes, melt blending extrusion, traction, granulation is carried out in double screw extruder, the draw ratio of extruder is 32, is squeezed
330 DEG C of machine barrel temperature out, fixed 180 revs/min of driving screw revolving speed.Obtained pellet is molded into using injection moulding machine
Type 360 DEG C of injection temperature, obtains standard mechanics test bars, carries out properties of product test.Test data is shown in Table 1.
Table 1
Remarks: above data is tested using ISO Strip Test method.
The present invention improves the processing of polyether-ether-ketone by selecting reinforcing agent and polytetrafluoroethylene (PTFE), is guaranteeing material mechanical
In the case where energy, it can be effectively improved the processability of polymeric system, extend machine service life.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of rigidity-toughness balanced polyether-ether-ketone composite material, it is characterised in that: its prepared by weight percentage by following components and
At: polyether-ether-ketone 55%-85%
Polytetrafluoroethylene (PTFE) 2%-10%
Reinforcing agent 10%-30%
Compatilizer 2-8%
Antioxidant 0.1%-0.3%.
2. a kind of rigidity-toughness balanced polyether-ether-ketone composite material according to claim 1, it is characterised in that: the polyethers ether
Ketone is to squeeze out stage polyetheretherketoneresin or injection molding stage polyetheretherketoneresin.
3. a kind of rigidity-toughness balanced polyether-ether-ketone composite material according to claim 1, it is characterised in that: the polytetrafluoro
Ethylene is micro mist, and partial size is 0.5-15 μm.
4. a kind of rigidity-toughness balanced polyether-ether-ketone composite material according to claim 1, it is characterised in that: the reinforcing agent
For the mixture of one or more of aluminium borate whisker, alkali magnesium sulfate crystal whisker, chopped polyimide fiber.
5. a kind of rigidity-toughness balanced polyether-ether-ketone composite material according to claim 1, it is characterised in that: the compatilizer
It is type siloxane compatilizer.
6. a kind of rigidity-toughness balanced polyether-ether-ketone composite material according to claim 1, it is characterised in that: the antioxidant
For the mixture of one or more of antioxidant 1010, antioxidant 1076 or irgasfos 168.
7. a kind of preparation method of any rigidity-toughness balanced polyether-ether-ketone composite material of claim 1-6, it is characterised in that:
The following steps are included:
(1) by the polyether-ether-ketone of 55%-85%, the polytetrafluoroethylene (PTFE) of 2-10%, the compatilizer of 2%-8% and 0.1%-0.3% antioxidant
It is uniformly mixed；
(2) mixture that step (1) obtains is added twin-screw extrude from main spout, while by the reinforcing agent of 10-30%
It is added twin-screw extrude by side feed material, through melting, blending, extrusion, traction, granulation, obtains composite material.
8. preparation method according to claim 7, it is characterised in that: the double screw extruder squeezes for parallel dual-screw
Machine out, draw ratio are at least 32, and the revolving speed of extruder is 180-400 revs/min, and extrusion temperature is 320-380 DEG C.
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| CN201710462521.2A CN109135174A (en) | 2017-06-16 | 2017-06-16 | A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof |
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| CN201710462521.2A CN109135174A (en) | 2017-06-16 | 2017-06-16 | A kind of rigidity-toughness balanced polyether-ether-ketone composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108047641A (en) * | 2017-11-14 | 2018-05-18 | 常州德毅新材料科技有限公司 | By heat-resisting improved polyetheretherketonematerials materials and preparation method thereof |
| CN110684317A (en) * | 2019-09-29 | 2020-01-14 | 江阴泰阳成索业有限公司 | Polyvinylidene fluoride reinforced polyether-ether-ketone alloy and preparation method thereof |
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