CN104788917B - A kind of high-antiwear self-lubricating polyethylene terephthalate and preparation method thereof - Google Patents
A kind of high-antiwear self-lubricating polyethylene terephthalate and preparation method thereof Download PDFInfo
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- 229920000139 polyethylene terephthalate Polymers 0.000 title claims abstract description 33
- 239000005020 polyethylene terephthalate Substances 0.000 title claims abstract description 33
- -1 polyethylene terephthalate Polymers 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 229920002545 silicone oil Polymers 0.000 claims abstract description 11
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- 239000002667 nucleating agent Substances 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000012745 toughening agent Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical group CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- 239000012675 alcoholic extract Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 229940008099 dimethicone Drugs 0.000 claims description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 2
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 2
- 239000005543 nano-size silicon particle Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000013329 compounding Methods 0.000 claims 1
- 235000009508 confectionery Nutrition 0.000 claims 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims 1
- 239000004519 grease Substances 0.000 claims 1
- 229910052901 montmorillonite Inorganic materials 0.000 claims 1
- 229920000570 polyether Polymers 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 4
- FYIBGDKNYYMMAG-UHFFFAOYSA-N ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 FYIBGDKNYYMMAG-UHFFFAOYSA-N 0.000 description 7
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 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
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Abstract
The invention discloses a kind of high-antiwear self-lubricating polyethylene terephthalate and preparation method thereof, its raw materials by weight meter includes following component：Polyethylene terephthalate 70 90%；Complex abrasion-proof modifying agent 5 15%；Composite elastic body toughener 3 8%；Silicone oil 0.3 1%；Coupling agent 0.3 1%；Composite nucleating agent 0.5 2%；Antioxidant 0.2 1%；Lubricant 0.5 1.5%.Pet material cost performance prepared by the present invention is high, with wear-out life length, at different conditions can keep higher dimensionally stable and relatively low linear expansion coefficient, chemical-resistance it is excellent, can under high/low temperature use steadily in the long term, high performance-price ratio, the novel wear resistant pet material with self lubricity, can be widely used in making the gear used under various environment, bearing, pump case etc..
Description
Technical field
Field is modified the present invention relates to polymer-material wear-resistant, more particularly, to a kind of poly- terephthaldehyde of high-antiwear self-lubricating
The preparation method of sour glycol ester material and application.
Background technology
Polyethylene terephthalate vinegar (PET) is linear saturation thermoplastic polyester, is topmost in thermoplastic polyester
Kind, is commonly called as polyester resin.It is the condensation polymer of terephthalic acid (TPA) and ethylene glycol, and thermoplastic polyester is referred to as together with PBT, or
Saturated polyester.PET molecular structures are regular, and intermolecular force is stronger, and strand has compliance, easily crystallization, with higher
Crystallinity and the degree of orientation.
In recent years, because PET has high mechanical strength, rigidity, hardness, sliding capability and wear-resisting intensity good, electric insulation
Property it is good, it is extraordinary creep resistance, the low and excellent wearability () of stable coefficient of friction, very good compared with nylon more preferably
Dimensional stability (be better than POM), physiological inertia (being suitable to contact with food).Against weather, chemical proof stability are good, inhale
Water rate is low, weak acid resistant and organic solvent, but intolerant to hot-water soak, the excellent characteristic such as not alkaline-resisting.Be widely used in weaving, papermaking,
The industries such as food machinery, transport, harbour, medical treatment, colliery, chemical industry.Bearing, guide food processing machines head, piston, screw volume
Deng the tool of food, parts, the bearing of precision machinery, electrically insulating material etc., in national economy, national defense industry and high-new skill
Had a wide range of applications in art industry.
Although PET has excellent heat resistance, creep resistance, rub resistance and abrasiveness, electrical insulating property and chemical-resistant resistance
Property, and can keep within the scope of wider temperature excellent physical property and mechanical property, but its crystalline rate is small, shaping plus
The shortcomings of work difficulty and cycle length, injection mould temperature height, impact property difference, seriously limits the extension of its application field.To improve PET
Deficiency, generally using with other resin alloys, copolymerization method or add nucleator, the method for the auxiliary agent such as accelerator is realized.
Mainly have PA, POM, PTFE, PPS, UHMWPE etc. currently used for do wear-resistant plastic, be mainly used in making gear,
Bearing, pump case etc., it is desirable to wear-resisting, the requirement such as dimensionally stable, high-low temperature resistant, chemical-resistance, cost performance height, and it is above-mentioned
Conventional wear-resistant plastic all deposits different defects, it is impossible to meet these requirements while very well.
The content of the invention
It is an object of the invention to the shortcoming for overcoming prior art, there is provided a kind of high-antiwear self-lubricating poly terephthalic acid
The preparation method of glycol ester material.Pet material cost performance prepared by the present invention is high, with abrasion
Long lifespan, it can keep higher dimensionally stable at different conditions and relatively low linear expansion coefficient, chemical-resistance be excellent, energy
Use steadily in the long term, high performance-price ratio, the novel wear resistant polyethylene terephthalate material with self lubricity under high/low temperature
Material, can be widely used in making the gear used under various environment, bearing, pump case etc..
To reach above-mentioned purpose, present invention employs following technical proposals：
A kind of high-antiwear self-lubricating polyethylene terephthalate, its raw materials by weight meter includes such as the following group
Point：
Polyethylene terephthalate 70-90%；
Complex abrasion-proof modifying agent 5-15%；
Composite elastic body toughener 3-8%；
Silicone oil 0.3-1%；
Coupling agent 0.3-1%；
Composite nucleating agent 0.5-2%；
Antioxidant 0.2-1%；
Lubricant 0.5-1.5%.
It is preferred that, the inherent viscosity of the polyethylene terephthalate is 0.67-0.8dl/g.
It is preferred that, the complex abrasion-proof modifying agent is in molybdenum disulfide, graphite, polytetrafluoroethylene (PTFE), nano silicon
Two or more.
It is preferred that, the composite elastic body toughener is selected from maleic anhydride grafted linear low density polyethylene, and (density is
0.918~0.935g/cm3), ethylene-methyl acrylate-glyceryl methacrylate (the such as AX8900 of Acker agate),
Two or more in Ethylene-butyl acrylate-GMA (PTW of such as Du Pont).
It is preferred that, the silicone oil in dimethicone, amino-modified silicone oil, alcoholic extract hydroxyl group modified silicon oil one kind or
It is a variety of.
It is preferred that, the coupling agent is selected from silane coupler, in amino silicane coupling agent, epoxy silane coupling
It is one or more.
It is preferred that, the composite nucleating agent is made up of nucleator and crystallization promoter, and the nucleator is selected from talcum powder, covered
Two or more in soil, sodium acid carbonate, sodium benzoate, NAV101, Surlyn8920 are taken off, crystallization promoter is that butanol randomly gathers
One or more in ether, Polyethylene Glycol Bisglycidyl Ether.
It is preferred that, the antioxidant is that phenolic antioxidant 1010 and phosphoric acid ester irgasfos 168 are 1 according to weight ratio:2 answer
With into.
It is preferred that, the lubricant is vinyl bis-stearamides, PETS, PE wax or one kind or several in silicone powder
Kind.
The present invention also provides the preparation method of the high-antiwear self-lubricating polyethylene terephthalate, including following step
Suddenly：
(1) raw material are prepared：The consumption of each component is accurately weighed by claim 1；
(2) raw material disposal and mixing：Polyethylene terephthalate is dried, control moisture is below 0.05%；
Then itself and coupling agent, silicone oil are added in high speed mixer and stirred, add complex abrasion-proof modifying agent, antioxidant, compound nucleation
Agent, composite elastic body toughener, mix lubricant, make each component be sufficiently stirred for being uniformly dispersed；
(3) melting extrusion：The material mixed is added in double screw extruder, double screw extruder is 75 types, long
Footpath ratio is 40:1；While melting extrusion, melting extrusion temperature is between 240-280 DEG C, and screw speed is 200-1000r/
min；
(4) granulate and post-process：The material of extrusion is cooled down, air-dried, pelletizing, packaging can obtain finished product.
The high-antiwear self-lubricating polyethylene terephthalate that the present invention is provided can be widely used in making various environment
The lower gear used, bearing, pump case etc..
Compared with prior art, the present invention has the advantages that：
1st, the pet material for preparing of the present invention is not only wear-resisting and self-lubricating, and properties are excellent
It is different.
Polyethylene terephthalate is modified together by complex abrasion-proof modifying agent, composite nucleating agent, silicone oil etc., into
Work(is prepared for wear-resisting and self lubricity new pet material, and not only mechanical performance is excellent for it, power
Learn excellent performance, and cost performance height, highly stable size, abrasion low (wear-out life length), chemical-resistance are excellent, can be various
Very high dimensionally stable and relatively low linear expansion coefficient and long-term use are especially kept under environment under high/low temperature, and applied to tooth
Wheel, bearing, pump case etc..Meanwhile, polyethylene terephthalate prepared by the present invention employs complex abrasion-proof modifying agent and profit
Lubrication prescription has good self-lubricating effect.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated, but the scope of protection of present invention is not limited to the scope of embodiment expression.
Embodiment 1
Embodiment 1 is got the raw materials ready by the formula of table 1；By dried polyethylene terephthalate (PET) resin and
Silane coupler and silicone oil first add in high speed mixer stir 1min then add complex abrasion-proof modifying agent, antioxidant,
Composite nucleating agent, composite toughing agent, lubricant mix 2min in high speed mixer, make each component be sufficiently stirred for being uniformly dispersed,
Double screw extruder is added from charge door, extruder melting extrusion temperature is set in the range of 240-280 DEG C, and vacuum typically exists
0.08Pa, engine speed is 500r/min, and extruded material is after cooling, air-dried, pelletizing, drying, you can obtain high abrasion from profit
Sliding polyethylene terephthalate, the product respective markers that formula 1-3 is accordingly prepared are ethylene glycol terephthalate (1),
Ethylene glycol terephthalate (2), ethylene glycol terephthalate (3).
The formula of embodiment 1 1-3 is as shown in the table：
Embodiment 2
Ethylene glycol terephthalate (1), ethylene glycol terephthalate prepared by 1-3 will be formulated in embodiment 1
(2), ethylene glycol terephthalate (3) is tested as follows, and testing standard and test result are as shown in the table：
As can be seen from the above table, the pet material that prepared by the present invention is not only wear-resisting and moistens certainly
It is sliding, and cost performance is high, properties are excellent.Tensile strength is high, elongation at break is maximum up to 30%, and bending strength is good reachable
97MPa, Izod notched impact strength is good up to 5.5KJ/M2, coefficient of friction can be low up to 0.15, serves good self-lubricating
Effect, heat distortion temperature is high.To sum up, the polyethylene terephthalate that prepared by the present invention can be especially high under circumstances
Very high dimensionally stable and relatively low linear expansion coefficient and long-term use are kept under low temperature, chemical-resistance is excellent, not only mechanical
Excellent performance, mechanical property are good, and cost performance height, highly stable size, abrasion low (wear-out life length), chemical-resistance are excellent
It is different.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.Although in addition, being used in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any limitation to the present invention.
Claims (7)
1. a kind of high-antiwear self-lubricating polyethylene terephthalate, it is characterised in that its raw materials by weight meter by
Following component composition：
Polyethylene terephthalate 70-90%；
Complex abrasion-proof modifying agent 5-15%；
Composite elastic body toughener 3-8%；
Silicone oil 0.3-1%；
Coupling agent 0.3-1%；
Composite nucleating agent 0.5-2%；
Antioxidant 0.2-1%；
Lubricant 0.5-1.5%,
Wherein, the composite nucleating agent is made up of nucleator and crystallization promoter, the nucleator be selected from talcum powder, montmorillonite,
Two or more in sodium acid carbonate, sodium benzoate, NAV101, Surlyn8920, crystallization promoter is butanol atactic polyether, poly-
One or more in glycol glycidyl ethers, the complex abrasion-proof modifying agent is selected from molybdenum disulfide, graphite, polytetrafluoroethyl-ne
Two or more in alkene, nano silicon, the composite elastic body toughener is selected from maleic anhydride grafted linear low-density
Polyethylene, ethylene-methyl acrylate-glyceryl methacrylate, Ethylene-butyl acrylate-Glycidyl methacrylate are sweet
Two or more in grease.
2. a kind of high-antiwear self-lubricating polyethylene terephthalate according to claim 1, it is characterised in that described
The inherent viscosity of polyethylene terephthalate is 0.67-0.8dl/g.
3. a kind of high-antiwear self-lubricating polyethylene terephthalate according to claim 1, it is characterised in that described
Silicone oil is the one or more in dimethicone, amino-modified silicone oil, alcoholic extract hydroxyl group modified silicon oil.
4. a kind of high-antiwear self-lubricating polyethylene terephthalate according to claim 1, it is characterised in that described
Coupling agent selected from silane coupler, be amino silicane coupling agent, epoxy silane coupling in one or more.
5. a kind of high-antiwear self-lubricating polyethylene terephthalate according to claim 1, it is characterised in that described
Antioxidant is that phenolic antioxidant 1010 and phosphoric acid ester irgasfos 168 are 1 according to weight ratio:2 compoundings are formed.
6. a kind of high-antiwear self-lubricating polyethylene terephthalate according to claim 1, it is characterised in that described
Lubricant is the one or more in vinyl bis-stearamides, PETS, PE wax or silicone powder.
7. a kind of method of the high-antiwear self-lubricating polyethylene terephthalate prepared described in claim 1, its feature exists
In comprising the following steps：
(1) raw material are prepared：The consumption of each component is accurately weighed by claim 1；
(2) raw material disposal and mixing：Polyethylene terephthalate is dried, control moisture is below 0.05%；Then
Itself and coupling agent, silicone oil are added in high speed mixer and stirred, complex abrasion-proof modifying agent is added, antioxidant, composite nucleating agent, multiple
Elastic body toughening agent, mix lubricant are closed, makes each component be sufficiently stirred for being uniformly dispersed；
(3) melting extrusion：The material mixed is added in double screw extruder, while melting extrusion, melting extrusion temperature
Degree is between 240-280 DEG C, and screw speed is 200-1000r/min；
(4) granulate and post-process：The material of extrusion is cooled down, air-dried, pelletizing, packaging can obtain finished product.
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| CN105400158B (en) * | 2015-12-16 | 2018-02-23 | 华南理工大学 | One kind enhancing flame-retardant PBT/PA6 composites and preparation method thereof |
| CN105733210A (en) * | 2016-05-13 | 2016-07-06 | 金宝丽科技（苏州）有限公司 | Environment-friendly antistatic plastic floor and preparation method thereof |
| CN105838045A (en) * | 2016-05-13 | 2016-08-10 | 金宝丽科技（苏州）有限公司 | APET (Amorphous Polyethylene Terephthalate) plastic floor and preparation method thereof |
| CN105970339A (en) * | 2016-06-27 | 2016-09-28 | 江苏田园新材料股份有限公司 | Processing technology of functional polyester fiber |
| 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 |
| CN109096707A (en) * | 2018-07-27 | 2018-12-28 | 长春智享优创科技咨询有限公司 | High-tenacity and shock-resistance polyethylene terephthalate composite material and preparation method |
| CN109627706A (en) * | 2018-11-30 | 2019-04-16 | 长春安旨科技有限公司 | A kind of impact-resistant abrasion-proof high molecular material |
| CN114426759B (en) * | 2020-10-29 | 2023-10-03 | 南通星辰合成材料有限公司 | Thermoplastic polyester-based composite material, and preparation method and application thereof |
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| CN103788403A (en) * | 2012-10-31 | 2014-05-14 | 合肥杰事杰新材料股份有限公司 | Wear-resistant filling material, wear-resistant composite material prepared from same and preparation method for composite material |
| CN103013026A (en) * | 2012-12-03 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | Polyester composite material and preparation method thereof |
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Denomination of invention: A high wear resistant self lubricating polyethylene terephthalate and its preparation method Effective date of registration: 20201222 Granted publication date: 20171010 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: GUANGDONG SHUNDE SHUNYAN NEW MATERIAL Co.,Ltd. Registration number: Y2020980009785 |
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