CN106700351A - High-strength and high-toughness wear-resistant polytetrafluoroethylene composite material - Google Patents
High-strength and high-toughness wear-resistant polytetrafluoroethylene composite material Download PDFInfo
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
- C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/011—Nanostructured additives
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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
- C08K2201/016—Additives defined by their aspect ratio
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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 invention discloses a high-strength and high-toughness wear-resistant polytetrafluoroethylene composite material. The high-strength high-toughness wear-resistant polytetrafluoroethylene composite material comprises the following raw materials in parts by weight: 60 to 90 parts of polytetrafluoroethylene micropowder, 5 to 20 parts of polyacrylonitrile, 2 to 15 parts of epoxy resin, 2 to 10 parts of polyether ether ketone, 3 to 10 parts of polyformaldehyde, 5 to 15 parts of aramid fibers, 3 to 15 parts of potassium titanate whiskers, 10 to 40 parts of glass fibers, 2 to 10 parts of molybdenum disulfide, 2 to 10 parts of aluminium trioxide, 2 to 10 parts of calcium carbonate, 3 to 15 parts of silicon carbide, 2 to 9 parts of nanometer titanium dioxide, 1 to 5 parts of wollastonite, 2 to 5 parts of ferroferric oxide, 1 to 3 parts of hexadecyl trimethyl ammonium bromide, and 1 to 3 parts of polyethylene glycol. The high-strength and high-toughness wear-resistant polytetrafluoroethylene composite material provided by the invention is high in strength, good in toughness, excellent in wear resistance and small in thermal expansion coefficient.
Description
Technical field
It is multiple the present invention relates to polytetrafluoroethylene (PTFE) technical field, more particularly to a kind of wear-resisting polytetrafluoroethylene (PTFE) of high-intensity high-tenacity
Condensation material.
Background technology
Polytetrafluoroethylene (PTFE) is the material of a kind of high-low temperature resistant, strong acid-base resistance corrosion and weatherability, and its performance is compared to rubber more
It is outstanding, it is wider using scope.It is widely used to oil sealing field at present.But it is low, wear-resisting to there is mechanical strength in polytetrafluoroethylene (PTFE)
The defect of property and poor rigidity, in the defect that the process for using has intensity and toughness can not be taken into account and wearability is low, limits it
Using.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of wear-resisting polytetrafluoroethylene (PTFE) of high-intensity high-tenacity
Composite, its intensity is high, and good toughness, anti-wear performance is excellent, and thermal coefficient of expansion is small.
A kind of wear-resisting ptfe composite of high-intensity high-tenacity proposed by the present invention, its raw material is wrapped by weight
Include：Ptfe micropowder 60-90 parts, polyacrylonitrile 5-20 parts, epoxy resin 2-15 parts, polyether-ether-ketone 2-10 parts, polyformaldehyde
3-10 parts, aramid fiber 5-15 parts, crystal whisker of hexa potassium titanate 3-15 parts, glass fibre 10-40 parts, molybdenum bisuphide 2-10 parts, three oxygen
Change 2-10 parts of aluminium, calcium carbonate 2-10 parts, carborundum 3-15 parts, nano titanium oxide 2-9 parts, wollastonite 1-5 parts, ferroso-ferric oxide
2-5 parts, cetyl trimethylammonium bromide 1-3 parts, polyethylene glycol 1-3 parts.
Preferably, in its raw material, ptfe micropowder, polyacrylonitrile, epoxy resin, polyether-ether-ketone, the weight of polyformaldehyde
Amount is than being 65-80：10-17：5-12：5-10：5-8.
Preferably, its raw material includes by weight：75 parts of ptfe micropowder, 15 parts of polyacrylonitrile, epoxy resin 10
Part, 8 parts of polyether-ether-ketone, 7 parts of polyformaldehyde, 12 parts of aramid fiber, 11 parts of crystal whisker of hexa potassium titanate, 35 parts of glass fibre, molybdenum bisuphide 7
Part, 7 parts of alchlor, 8 parts of calcium carbonate, 11 parts of carborundum, 7 parts of nano titanium oxide, 3.2 parts of wollastonite, ferroso-ferric oxide 4
Part, 2 parts of cetyl trimethylammonium bromide, 2 parts of polyethylene glycol.
Preferably, 0.5-5 parts of pigment is also included in its raw material by weight.
Preferably, the ptfe micropowder is modified Teflon micro mist；The modified Teflon micro mist
It is prepared according to following technique：CNT acidifying is obtained being acidified CNT；By acryloyl chloride add dioxane in,
The dioxane solution of azodiisobutyronitrile is subsequently adding, nitrogen is passed through, stirring reaction 30-45h, Ran Houjia at 65-75 DEG C
Enter and be acidified CNT, regulation temperature be after 65-75 DEG C under the protection of nitrogen stirring reaction 30-45h, reaction terminate after through super
Sound, suction filtration, wash, be dried to obtain modified carbon nano-tube；Ptfe micropowder is carried out into argon plasma treatment, is subsequently adding
In the dimethyl formamide solution of GMA and modified carbon nano-tube, 25-30h is reacted at 85-95 DEG C,
Reaction obtains the modified Teflon micro mist after terminating through cleaning.
Preferably, in the preparation process of modified Teflon micro mist, it is by the detailed process that CNT is acidified：Press
Weight portion adds 0.5-1 parts of CNT in reaction vessel, is subsequently adding sulfuric acid and 15- that 15-20 parts of purity is 98wt%
20 parts of purity are the nitric acid of 68wt%, ultrasonic agitation 20-30h, then the back flow reaction 0.3-1h at 135-145 DEG C, reaction knot
Shu Houjing ultrasound, filter, wash, being dried to obtain the acidifying CNT.
Preferably, in the preparation process of modified Teflon micro mist, the weight of acryloyl chloride and acidifying CNT
Than being 10-20：2-3.
Preferably, in the preparation process of modified Teflon micro mist, when argon plasma treatment is carried out, discharge gas
Body pressure is 20-45Pa, and discharge power is 50-70W, and discharge time is 3-8min.
Preferably, in the preparation process of modified Teflon micro mist, ptfe micropowder, Glycidyl methacrylate
Glyceride, the weight ratio of modified carbon nano-tube are 5-10：1-2：1-3.
Preferably, the ptfe micropowder is modified Teflon micro mist；The modified Teflon micro mist
It is prepared according to following technique：By weight by 0.6 part of CNT addition reaction vessel, being subsequently adding 18 parts of purity is
The sulfuric acid of 98wt% and 18 parts of purity are the nitric acid of 68wt%, ultrasonic agitation 25h, then the back flow reaction 0.6h at 140 DEG C, instead
After should terminating through ultrasound, filter, wash, be dried to obtain the acidifying CNT；1.5 parts of acryloyl chlorides are added by weight
In 25 parts of dioxane, the dioxane solution of the azodiisobutyronitrile that 15 parts of weight fractions are 1.5wt% is subsequently adding, be passed through
Nitrogen, the stirring reaction 40h at 70 DEG C, is subsequently adding acidifying CNT, wherein, the weight of acryloyl chloride and acidifying CNT
Amount is than being 17：2.6, regulation temperature be after 70 DEG C under the protection of nitrogen stirring reaction 40h, reaction terminate after through ultrasound, suction filtration,
Wash, be dried to obtain modified carbon nano-tube；Ptfe micropowder is carried out into argon plasma treatment, argon plasma is being carried out
During treatment, discharge gas pressure is 25Pa, and discharge power is 60W, and discharge time is 5min, is subsequently adding Glycidyl methacrylate
In the dimethyl formamide solution of glyceride and modified carbon nano-tube, wherein, ptfe micropowder, Glycidyl methacrylate are sweet
Grease, the weight ratio of modified carbon nano-tube are 7：1.3：2,28h is then reacted at 80 DEG C, reaction obtains institute after terminating through cleaning
State modified Teflon micro mist.
Preferably, a diameter of 1-1.5 μm of the crystal whisker of hexa potassium titanate, draw ratio is 10-18.
Preferably, the aramid fiber length is 3-4mm, 8-10 μm of filament diameter；The glass fibre is 150-250 mesh
Glass fibre powder.
The wear-resisting ptfe composite of high-intensity high-tenacity of the present invention, it is based on ptfe micropowder
Material, while add polyacrylonitrile, epoxy resin, polyether-ether-ketone and polyformaldehyde being coordinated, during prepared by material, gathers
Acrylonitrile can occur pre-oxidation, and trapezoidal-structure is formed through cyclisation, and these ladder-shaper structures form skeleton, with epoxy resin, poly-
After ether ether ketone and polyformaldehyde coordinate, the wearability of material is greatly improved；In preferred embodiment, in the system of modified Teflon micro mist
During standby, first CNT acidifying is obtained being acidified CNT, acidifying CNT is reacted with acryloyl chloride afterwards,
By controlling the condition of reaction, acryloyl chloride is set to there occurs reaction with the hydroxyl of acidifying carbon nano tube surface, so as to double bond be drawn
Enter to the surface of acidifying CNT；By ptfe micropowder through argon plasma process, during treatment, wait from
Energy transmission is produced during high-energy particle bombardment ptfe micropowder surface in daughter, during bond energy of its energy more than C-F, C-
F keys are opened, and substantial amounts of free radical is generated on ptfe micropowder surface, reaction are there occurs with the oxygen in air, poly- four
The surface of PVF micro mist introduces peroxide or hydroxyl peroxide, so as to be introduced on the surface of ptfe micropowder
Polar group, after mixing with GMA and modified carbon nano-tube, it can produce oxygen radical, with methyl
The double bond containing alkene of glycidyl acrylate and modified carbon nano tube pipe surface there occurs glycerol polymerization, so as to by epoxide group and
CNT has been incorporated into the surface of ptfe micropowder, has obtained modified Teflon micro mist, on the one hand, reduce carbon
The reunion of nanotube, improves its dispersiveness in system, reduces the crystallinity of system, significantly improves the tension of material
Intensity, elongation at break, resilience and creep resistance；On the other hand, because introducing epoxide group, with cetyl trimethyl bromine
Its compatibility with each raw material in system is improve after changing ammonium and polyethylene glycol cooperation, so that each uniform filling has been distributed in body
In system, synergy is played, wherein, in crystal whisker of hexa potassium titanate addition system, itself and aramid fiber, glass fibre, wollastonite
With synergy, by controlling its content in system, the effect that activeness and quietness develops simultaneously is served, do not sacrificing polytetrafluoro
Impact strength, elongation at break, tensile strength and the heat of material are significantly improved while ethene composite chemical stability
Deformation temperature, and significantly reduce the wear extent of material；In alchlor addition system, with molybdenum bisuphide, calcium carbonate, carbonization
Silicon, nano titanium oxide, ferroso-ferric oxide have synergy after coordinating, and significantly reduce the porosity of material, by control
Alchlor and molybdenum bisuphide, calcium carbonate, carborundum, nano titanium oxide, the ratio of ferroso-ferric oxide, make the porosity of material
Minimum is reached, the comprehensive mechanical property of material is improved, abrasion resistance is modified, while reducing material
Thermal coefficient of expansion, making the material of acquisition has excellent stability and reliability, adapts in the use in the fields such as oil sealing.
Performance detection is carried out to the wear-resisting ptfe composite of high-intensity high-tenacity of the present invention, its tensile strength
It is 28.2-31.3MPa, elongation at break is 310-326.5%, and Shao D hardness is 58-60, and abrasion loss is less than 0.001g, friction system
Number is 0.18-0.2.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of wear-resisting ptfe composite of high-intensity high-tenacity proposed by the present invention, its raw material is wrapped by weight
Include：90 parts of ptfe micropowder, 5 parts of polyacrylonitrile, 15 parts of epoxy resin, 2 parts of polyether-ether-ketone, 10 parts of polyformaldehyde, aramid fiber are fine
5 parts of dimension, 15 parts of crystal whisker of hexa potassium titanate, 10 parts of glass fibre, 10 parts of molybdenum bisuphide, 2 parts of alchlor, 10 parts of calcium carbonate, carbonization
3 parts of silicon, 9 parts of nano titanium oxide, 1 part of wollastonite, 5 parts of ferroso-ferric oxide, 1 part of cetyl trimethylammonium bromide, poly- second two
1 part of alcohol.
Embodiment 2
A kind of wear-resisting ptfe composite of high-intensity high-tenacity proposed by the present invention, its raw material is wrapped by weight
Include：60 parts of ptfe micropowder, 20 parts of polyacrylonitrile, 2 parts of epoxy resin, 10 parts of polyether-ether-ketone, 3 parts of polyformaldehyde, aramid fiber are fine
15 parts of dimension, 3 parts of crystal whisker of hexa potassium titanate, 40 parts of glass fibre, 2 parts of molybdenum bisuphide, 10 parts of alchlor, 2 parts of calcium carbonate, carborundum
15 parts, 2 parts of nano titanium oxide, 5 parts of wollastonite, 2 parts of ferroso-ferric oxide, 3 parts of cetyl trimethylammonium bromide, polyethylene glycol
3 parts.
Embodiment 3
A kind of wear-resisting ptfe composite of high-intensity high-tenacity proposed by the present invention, its raw material is wrapped by weight
Include：80 parts of ptfe micropowder, 10 parts of polyacrylonitrile, 12 parts of epoxy resin, 5 parts of polyether-ether-ketone, 8 parts of polyformaldehyde, aramid fiber are fine
7 parts of dimension, 10 parts of crystal whisker of hexa potassium titanate, 20 parts of glass fibre, 8.5 parts of molybdenum bisuphide, 5 parts of alchlor, 8 parts of calcium carbonate, carbonization
6 parts of silicon, 6.5 parts of nano titanium oxide, 3 parts of wollastonite, 3.6 parts of ferroso-ferric oxide, 1.8 parts of cetyl trimethylammonium bromide,
2.6 parts of polyethylene glycol, 0.5 part of pigment；
Wherein, the ptfe micropowder is modified Teflon micro mist；The modified Teflon micro mist is pressed
It is prepared according to following technique：CNT acidifying is obtained being acidified CNT；By acryloyl chloride add dioxane in, so
The dioxane solution of azodiisobutyronitrile is added afterwards, nitrogen is passed through, and the stirring reaction 30h at 75 DEG C is subsequently adding acidifying carbon
Nanotube, wherein, acryloyl chloride is 20 with the weight ratio of acidifying CNT：2, regulation temperature is the protection after 75 DEG C in nitrogen
Lower stirring reaction 30h, reaction terminate after through ultrasound, suction filtration, wash, be dried to obtain modified carbon nano-tube；Polytetrafluoroethylene (PTFE) is micro-
Powder carries out argon plasma treatment, and when argon plasma treatment is carried out, discharge gas pressure is 45Pa, and discharge power is 50W,
Discharge time is 8min, is subsequently adding the dimethyl formamide solution of GMA and modified carbon nano-tube
In, wherein, ptfe micropowder, GMA, the weight ratio of modified carbon nano-tube are 5：2：1,95
25h is reacted at DEG C, reaction obtains the modified Teflon micro mist after terminating through cleaning.
Embodiment 4
A kind of wear-resisting ptfe composite of high-intensity high-tenacity proposed by the present invention, its raw material is wrapped by weight
Include：65 parts of ptfe micropowder, 17 parts of polyacrylonitrile, 5 parts of epoxy resin, 10 parts of polyether-ether-ketone, 5 parts of polyformaldehyde, aramid fiber are fine
11 parts of dimension, 6 parts of crystal whisker of hexa potassium titanate, 30 parts of glass fibre, 4 parts of molybdenum bisuphide, 7 parts of alchlor, 5 parts of calcium carbonate, carborundum
10 parts, it is 4.5 parts of nano titanium oxide, 4 parts of wollastonite, 2.8 parts of ferroso-ferric oxide, 2.5 parts of cetyl trimethylammonium bromide, poly-
1.9 parts of ethylene glycol, 5 parts of pigment；
Wherein, the ptfe micropowder is modified Teflon micro mist；The modified Teflon micro mist is pressed
It is prepared according to following technique：CNT acidifying is obtained being acidified CNT；By acryloyl chloride add dioxane in, so
The dioxane solution of azodiisobutyronitrile is added afterwards, nitrogen is passed through, and the stirring reaction 45h at 65 DEG C is subsequently adding acidifying carbon
Nanotube, wherein, acryloyl chloride is 10 with the weight ratio of acidifying CNT：3, regulation temperature is the protection after 65 DEG C in nitrogen
Lower stirring reaction 45h, reaction terminate after through ultrasound, suction filtration, wash, be dried to obtain modified carbon nano-tube；Polytetrafluoroethylene (PTFE) is micro-
Powder carries out argon plasma treatment, and when argon plasma treatment is carried out, discharge gas pressure is 20Pa, and discharge power is 70W,
Discharge time is 3min, is subsequently adding the dimethyl formamide solution of GMA and modified carbon nano-tube
In, wherein, ptfe micropowder, GMA, the weight ratio of modified carbon nano-tube are 10：1：3,85
30h is reacted at DEG C, reaction obtains the modified Teflon micro mist after terminating through cleaning.
Embodiment 5
A kind of wear-resisting ptfe composite of high-intensity high-tenacity proposed by the present invention, its raw material is wrapped by weight
Include：75 parts of ptfe micropowder, 15 parts of polyacrylonitrile, 10 parts of epoxy resin, 8 parts of polyether-ether-ketone, 7 parts of polyformaldehyde, aramid fiber are fine
12 parts of dimension, 11 parts of crystal whisker of hexa potassium titanate, 35 parts of glass fibre, 7 parts of molybdenum bisuphide, 7 parts of alchlor, 8 parts of calcium carbonate, carborundum
11 parts, 7 parts of nano titanium oxide, 3.2 parts of wollastonite, 4 parts of ferroso-ferric oxide, 2 parts of cetyl trimethylammonium bromide, poly- second two
2 parts of alcohol, 2 parts of pigment；
Wherein, the ptfe micropowder is modified Teflon micro mist；The modified Teflon micro mist is pressed
It is prepared according to following technique：By weight by 0.6 part of CNT addition reaction vessel, being subsequently adding 18 parts of purity is
The sulfuric acid of 98wt% and 18 parts of purity are the nitric acid of 68wt%, ultrasonic agitation 25h, then the back flow reaction 0.6h at 140 DEG C, instead
After should terminating through ultrasound, filter, wash, be dried to obtain the acidifying CNT；1.5 parts of acryloyl chlorides are added by weight
In 25 parts of dioxane, the dioxane solution of the azodiisobutyronitrile that 15 parts of weight fractions are 1.5wt% is subsequently adding, be passed through
Nitrogen, the stirring reaction 40h at 70 DEG C, is subsequently adding acidifying CNT, wherein, the weight of acryloyl chloride and acidifying CNT
Amount is than being 17：2.6, regulation temperature be after 70 DEG C under the protection of nitrogen stirring reaction 40h, reaction terminate after through ultrasound, suction filtration,
Wash, be dried to obtain modified carbon nano-tube；Ptfe micropowder is carried out into argon plasma treatment, argon plasma is being carried out
During treatment, discharge gas pressure is 25Pa, and discharge power is 60W, and discharge time is 5min, is subsequently adding Glycidyl methacrylate
In the dimethyl formamide solution of glyceride and modified carbon nano-tube, wherein, ptfe micropowder, Glycidyl methacrylate are sweet
Grease, the weight ratio of modified carbon nano-tube are 7：1.3：2,28h is then reacted at 80 DEG C, reaction obtains institute after terminating through cleaning
State modified Teflon micro mist；
A diameter of 1-1.5 μm of the crystal whisker of hexa potassium titanate, draw ratio is 10-18；
The aramid fiber length is 3-4mm, 8-10 μm of filament diameter；The glass fibre is the glass of 150-250 mesh
Fiber dust.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (10)
1. the wear-resisting ptfe composite of a kind of high-intensity high-tenacity, it is characterised in that its raw material includes by weight：It is poly-
60-90 parts of tetrafluoroethene micro mist, polyacrylonitrile 5-20 parts, epoxy resin 2-15 parts, polyether-ether-ketone 2-10 parts, polyformaldehyde 3-10
Part, aramid fiber 5-15 parts, crystal whisker of hexa potassium titanate 3-15 parts, glass fibre 10-40 parts, molybdenum bisuphide 2-10 parts, alchlor
2-10 parts, calcium carbonate 2-10 parts, carborundum 3-15 parts, nano titanium oxide 2-9 parts, wollastonite 1-5 parts, ferroso-ferric oxide 2-5
Part, cetyl trimethylammonium bromide 1-3 parts, polyethylene glycol 1-3 parts.
2. the wear-resisting ptfe composite of high-intensity high-tenacity according to claim 1, it is characterised in that its raw material
In, ptfe micropowder, polyacrylonitrile, epoxy resin, polyether-ether-ketone, the weight ratio of polyformaldehyde are 65-80：10-17：5-
12：5-10：5-8.
3. the wear-resisting ptfe composite of high-intensity high-tenacity according to claim 1 or claim 2, it is characterised in that it is former
Material includes by weight：75 parts of ptfe micropowder, 15 parts of polyacrylonitrile, 10 parts of epoxy resin, 8 parts of polyether-ether-ketone, poly- first
7 parts of aldehyde, 12 parts of aramid fiber, 11 parts of crystal whisker of hexa potassium titanate, 35 parts of glass fibre, 7 parts of molybdenum bisuphide, 7 parts of alchlor, carbonic acid
8 parts of calcium, 11 parts of carborundum, 7 parts of nano titanium oxide, 3.2 parts of wollastonite, 4 parts of ferroso-ferric oxide, cetyl trimethyl bromination
2 parts of ammonium, 2 parts of polyethylene glycol.
4. the wear-resisting ptfe composite of the high-intensity high-tenacity according to any one of claim 1-3, its feature exists
In by weight also including 0.5-5 parts of pigment in its raw material.
5. the wear-resisting ptfe composite of the high-intensity high-tenacity according to any one of claim 1-4, its feature exists
In the ptfe micropowder is modified Teflon micro mist；The modified Teflon micro mist is according to following technique
It is prepared：CNT acidifying is obtained being acidified CNT；By in acryloyl chloride addition dioxane, azo is subsequently adding
The dioxane solution of bis-isobutyronitrile, is passed through nitrogen, the stirring reaction 30-45h at 65-75 DEG C, is subsequently adding acidifying carbon nanometer
Pipe, regulation temperature be 65-75 DEG C after under the protection of nitrogen stirring reaction 30-45h, reaction terminate after through ultrasound, suction filtration, wash
Wash, be dried to obtain modified carbon nano-tube；Ptfe micropowder is carried out into argon plasma treatment, methacrylic acid is subsequently adding
In the dimethyl formamide solution of ethylene oxidic ester and modified carbon nano-tube, 25-30h is reacted at 85-95 DEG C, after reaction terminates
It is cleaned to obtain the modified Teflon micro mist.
6. the wear-resisting ptfe composite of high-intensity high-tenacity according to claim 5, it is characterised in that modified poly-
In the preparation process of tetrafluoroethene micro mist, acryloyl chloride is 10-20 with the weight ratio of acidifying CNT：2-3.
7. the wear-resisting ptfe composite of the high-intensity high-tenacity according to claim 5 or 6, it is characterised in that changing
Property ptfe micropowder preparation process in, carry out argon plasma process when, discharge gas pressure be 20-45Pa, put
Electrical power is 50-70W, and discharge time is 3-8min.
8. the wear-resisting ptfe composite of the high-intensity high-tenacity according to any one of claim 5-7, its feature exists
In ptfe micropowder, GMA, modified in the preparation process of modified Teflon micro mist
The weight ratio of CNT is 5-10：1-2：1-3.
9. the wear-resisting ptfe composite of the high-intensity high-tenacity according to any one of claim 1-8, its feature exists
In a diameter of 1-1.5 μm of the crystal whisker of hexa potassium titanate, draw ratio is 10-18.
10. the wear-resisting ptfe composite of the high-intensity high-tenacity according to any one of claim 1-9, its feature exists
In the aramid fiber length is 3-4mm, 8-10 μm of filament diameter；The glass fibre is the glass fiber powder of 150-250 mesh
End.
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| CN201611034769.0A CN106700351A (en) | 2016-11-09 | 2016-11-09 | High-strength and high-toughness wear-resistant polytetrafluoroethylene composite material |
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| CN201611034769.0A CN106700351A (en) | 2016-11-09 | 2016-11-09 | High-strength and high-toughness wear-resistant polytetrafluoroethylene composite material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759938A (en) * | 2017-11-20 | 2018-03-06 | 苏州新区特氟龙塑料制品厂 | A kind of Teflon engineering plastics of the high grade of transparency |
| 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 |
| CN110438794A (en) * | 2019-07-10 | 2019-11-12 | 株洲天伦纺织有限责任公司 | A kind of wear-resisting veil and preparation method thereof |
| CN115091774A (en) * | 2022-07-08 | 2022-09-23 | 安徽省众望科希盟科技有限公司 | Processing method of modified polytetrafluoroethylene sealing element |
| CN116082772A (en) * | 2022-12-05 | 2023-05-09 | 江苏美奥新材料有限公司 | High-temperature-resistant high-strength engineering plastic and preparation method thereof |
| CN117225210A (en) * | 2023-09-20 | 2023-12-15 | 山东大学 | Method for preparing novel nanofiltration membrane by aid of amphiphilic molybdenum disulfide nanosheets |
| CN117683348A (en) * | 2024-01-30 | 2024-03-12 | 广州傲群刷业科技有限公司 | Wear-resistant industrial bristle material and production process thereof |
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| CN1786070A (en) * | 2005-11-24 | 2006-06-14 | 中国科学技术大学 | High abrasive resistance poly tetra fluoro ethylene composite material and its preparation method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759938A (en) * | 2017-11-20 | 2018-03-06 | 苏州新区特氟龙塑料制品厂 | A kind of Teflon engineering plastics of the high grade of transparency |
| 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 |
| CN110438794A (en) * | 2019-07-10 | 2019-11-12 | 株洲天伦纺织有限责任公司 | A kind of wear-resisting veil and preparation method thereof |
| CN115091774A (en) * | 2022-07-08 | 2022-09-23 | 安徽省众望科希盟科技有限公司 | Processing method of modified polytetrafluoroethylene sealing element |
| CN116082772A (en) * | 2022-12-05 | 2023-05-09 | 江苏美奥新材料有限公司 | High-temperature-resistant high-strength engineering plastic and preparation method thereof |
| CN117225210A (en) * | 2023-09-20 | 2023-12-15 | 山东大学 | Method for preparing novel nanofiltration membrane by aid of amphiphilic molybdenum disulfide nanosheets |
| CN117225210B (en) * | 2023-09-20 | 2024-04-19 | 山东大学 | Method for preparing novel nanofiltration membrane by aid of amphiphilic molybdenum disulfide nanosheets |
| CN117683348A (en) * | 2024-01-30 | 2024-03-12 | 广州傲群刷业科技有限公司 | Wear-resistant industrial bristle material and production process thereof |
| CN117683348B (en) * | 2024-01-30 | 2024-04-09 | 广州傲群刷业科技有限公司 | Wear-resistant industrial bristle material and production process thereof |
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Application publication date: 20170524 |