CN101284929A - Carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation process thereof - Google Patents
Carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation process thereof Download PDFInfo
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- CN101284929A CN101284929A CNA2008100172750A CN200810017275A CN101284929A CN 101284929 A CN101284929 A CN 101284929A CN A2008100172750 A CNA2008100172750 A CN A2008100172750A CN 200810017275 A CN200810017275 A CN 200810017275A CN 101284929 A CN101284929 A CN 101284929A
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- bimaleimide resin
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Abstract
The invention relates to a fluocarbon nanotube /dia-maleimide resin self-lubricating composite material and a method for preparing the same. The method is characterized in that: 0.1 to 3 portions of fluocarbon nanotubes are added into acetone; after dispersion by utilization of ultrasonic waves, the mixture is added into 100 portions of dia-maleimide resin preformed polymer; after stirring, heating and removal of the acetone, the mixture is poured in a polyfluortetraethylene die; after vacuumization and removal of air bubbles, the die is placed into a microwave oven for solification for 1 to 3 hours and treated at a temperature of 240 DEG C for 2 hours, and then the fluocarbon nanotube /dia-maleimide resin self-lubricating composite material is obtained. The method utilizes microwaves for assistant solidification, thereby the solidification time is short and the operating cost is low; the fluocarbon nanotube /dia-maleimide resin self-lubricating composite material prepared is characterized by light weight, high strength, high temperature resistance, low friction and ultrawear resistance and can be used as a part such as a self-lubricating bearing, a gear, a sliding blade of a compressor and so on in the fields such as the aerospace field, the chemical engineering machinery field, the automobile appliance field and so on.
Description
Technical field
The present invention relates to a kind of carbon fluoride nano-tube/bimaleimide resin self-lubricating matrix material and preparation method thereof, belonging to polymer processing field, is that a kind of carbon fluoride nano-tube and bimaleimide resin that contains reactive thinner of adopting prepares self-lubricating composite specifically.
Background technology
Carbon nanotube has peculiar electric property, good flexible, good chemical stability, thermostability, adsorptivity and low density, can be used as the matrix material ideal and strengthens body, has become the focus of carbon nano-tube/polymer composite material research.Yet because carbon nanotube is easily assembled bunchy or winding, and compares with other nanometer strongthener, its surface is relative 'inertia', and the dispersity in common organic solvent is low, has greatly restricted the research of its application performance.The carbon fluoride nano-tube that utilizes chemical process that carbon nanotube is fluoridized gained had both kept the original wear resistance of carbon nanotube, had extremely low frictional coefficient (0.002～0.07) again, can be used as solid lubricant and directly used.When being used for polymer composites, not only can improving the friction and wear behavior of thermoplastic resin ultrahigh molecular weight polyethylene(UHMWPE) and tetrafluoroethylene, and can improve the friction and wear behavior of thermosetting epoxy resin.
Bimaleimide resin has good mechanical performance, thermal characteristics and processibility, is widely used as structural composite material at aviation field.And bimaleimide resin has good wear resistance, and particularly through inorganic nano particle modified bismaleimide resin composite material, its wear resistance and low frictional properties all are greatly improved.But, because inorganic nano-particle and the uncompatibility of organic resin matrix on thermodynamics, make that the apparent planeness of matrix material of preparation is good inadequately, and the matrix material easy unsticking of rear interface of being heated, make that the performance of bimaleimide resin can not better be brought into play.In addition, inorganic nano particle modified bismaleimide resin composite material relative mass is bigger, in space material is used because light-weight requires to be subjected to certain restriction.
At present, thermosetting resin is cured main employing thermal curing methods.The principle of thermofixation is that heat is given the thing that is cured by conduction, convection current and radiation delivery, and the thing that is cured is heated from outside to inside gradually; And the principle of microwave curing be micro-wave energy by absorbed after, change the kinetic energy and the potential energy of the thing molecule that is cured into, it inside and outsidely is heated simultaneously.Compare with traditional thermofixation, that microwave curing has is energy-conservation, process cost is low, set time is short, process control is easy, cured article homogeneous and can reduce the advantages such as influence of material degradation to environment, also might prepare novel material or with additive method the microtexture that can not obtain.Microwave technology is applied in the curing of Resins, epoxy, but yet there are no the report that utilizes the microwave curing bimaleimide resin.
Summary of the invention
The technical problem that solves
For fear of the deficiencies in the prior art part, the present invention proposes a kind of carbon fluoride nano-tube/bimaleimide resin self-lubricating matrix material and preparation method thereof.Utilize the microwave curing technology, prepare a kind of lightweight, high strength, high temperature resistant, low friction, super attrition resistant self-lubricating composite.
Technical scheme
A kind of carbon fluoride nano-tube/bimaleimide resin self-lubricating matrix material is characterized in that the composition of raw materials composition by mass: 100 parts of bimaleimide resin performed polymers, carbon fluoride nano-tube 0.1-3 part.
Described bismaleimides performed polymer is made up of the ditane type bismaleimides that contains reactive thinner vinylbenzene and diallyl bisphenol modification.
A kind of preparation carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation method thereof is characterized in that preparation process is as follows:
(1) carbon fluoride nano-tube is added in the acetone, utilized ultrasonic dispersing 10～50 minutes;
(2) scattered carbon fluoride nano-tube is added in the bismaleimides performed polymer, stir, heating, acetone is removed in distillation, pours in the tetrafluoroethylene mould;
(3) vacuumize remove bubble after, put into microwave oven and be cured 1～3 hour;
(4) at last 240 ℃ of following aftertreatments 2 hours, promptly get the carbon fluoride nano-tube/bimaleimide resin matrix material.
Beneficial effect
The present invention is with respect to prior art, and its advantage is:
(1) the present invention adopts carbon fluoride nano-tube and the bimaleimide resin performed polymer that contains reactive thinner to prepare self-lubricating composite simultaneously, belongs to a kind of novel composite material system.
(2) bimaleimide resin performed polymer used in the present invention work contains sexual thinner, is liquid at normal temperatures, and viscosity is very low, and in wide temperature range, remain unchanged, at 120～210 ℃, viscosity helps the dispersion of carbon fluoride nano-tube in resin matrix less than 100mPa.s.
(3) carbon nanotube used in the present invention is through fluoridation, help in organic solvent and resin matrix in dispersion, and, improved microwave absorbing.With respect to inorganic nano-particle, density is little, has certain self lubricity again.
(4) microwave curing technology used in the present invention has short, characteristics such as process cost is low set time, is the wider method for preparing same with thermosetting compound material of a kind of suitability.
(5) carbon fluoride nano-tube/bimaleimide resin matrix material of the present invention, not only have excellent mechanical property and thermal characteristics, and has an excellent frictional behaviour, be a kind of lightweight, high strength, high temperature resistant, low friction, super attrition resistant matrix material, can be used as self-oiling bearing, the gear in fields such as aerospace, chemical machinery, vehicle appliance, the component such as slide plate of compressor.
Embodiment
Now the present invention is further described in conjunction with embodiment.
Embodiment 1:
0.1 part carbon fluoride nano-tube is added in the acetone, utilize ultrasonic dispersing 10～50min after, join in 100 parts the bimaleimide resin performed polymer, stir, heating, remove acetone after, pour in the tetrafluoroethylene mould; Vacuumize remove bubble after, put into microwave oven and solidified 1～3 hour, 240 ℃ of following aftertreatments 2 hours, promptly get the carbon fluoride nano-tube/bimaleimide resin matrix material then.
Described bismaleimides performed polymer is made up of the ditane type bismaleimides that contains reactive thinner vinylbenzene and diallyl bisphenol modification.
Embodiment 2:
1.0 parts carbon fluoride nano-tubes are added in the acetone, utilize ultrasonic dispersing 10～50min after, join in 100 parts the bimaleimide resin performed polymer, stir, heating, remove acetone after, pour in the tetrafluoroethylene mould; Vacuumize remove bubble after, put into microwave oven and solidified 1～3 hour, 240 ℃ of following aftertreatments 2 hours, promptly get the carbon fluoride nano-tube/bimaleimide resin matrix material then.
Described bismaleimides performed polymer is made up of the ditane type bismaleimides that contains reactive thinner vinylbenzene and diallyl bisphenol modification.
Embodiment 3:
3 parts carbon fluoride nano-tubes are added in the acetone, utilize ultrasonic dispersing 10～50min after, join in 100 parts the bimaleimide resin performed polymer, stir, heating, remove acetone after, pour in the tetrafluoroethylene mould; Vacuumize remove bubble after, put into microwave oven and solidified 1～3 hour, 240 ℃ of following aftertreatments 2 hours, promptly get the carbon fluoride nano-tube/bimaleimide resin matrix material then.
Described bismaleimides performed polymer is made up of the ditane type bismaleimides that contains reactive thinner vinylbenzene and diallyl bisphenol modification.
Carbon fluoride nano-tube had both had good dispersiveness, had certain self lubricity again, can be used as solid lubricant and directly used.The present invention adopts carbon fluoride nano-tube and the bimaleimide resin performed polymer that contains reactive thinner to prepare matrix material, to obtain the good bismaleimide resin composite material of over-all properties.
Carbon fluoride nano-tube/bimaleimide resin performance of composites index of the present invention is as follows:
Density:＜2.3g/cm
2Flexural strength:＞120Mpa; Shock strength:＞12.0kJ/m
2
Frictional coefficient:＜0.25; Wear rate＜2.0 * 10
-6Mm
3/ (Nm);
Second-order transition temperature:＞290 ℃; Initial heat decomposition temperature ℃:＞410 ℃;
The temperature of maximum rate of weight loss correspondence:＞480 ℃.
Claims (3)
1. a carbon fluoride nano-tube/bimaleimide resin self-lubricating matrix material is characterized in that the composition of raw materials composition by mass: 100 parts of bimaleimide resin performed polymers, 0.1～3 part of carbon fluoride nano-tube.
2. carbon fluoride nano-tube/bimaleimide resin self-lubricating matrix material according to claim 1 is characterized in that: described bismaleimides performed polymer is made up of the ditane type bismaleimides that contains reactive thinner vinylbenzene and diallyl bisphenol modification.
3. one kind prepares the described carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation method thereof of claim 1～2, it is characterized in that preparation process is as follows:
(1) carbon fluoride nano-tube is added in the acetone, utilized ultrasonic dispersing 10～50 minutes;
(2) join in 100 parts the bimaleimide resin performed polymer, stir, heating, remove acetone after, pour in the tetrafluoroethylene mould;
(3) vacuumize remove bubble after, put into microwave oven and solidified 1～3 hour;
(4) at last 240 ℃ of following aftertreatments 2 hours, promptly get the carbon fluoride nano-tube/bimaleimide resin matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100172750A CN101284929B (en) | 2008-01-11 | 2008-01-11 | Carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100172750A CN101284929B (en) | 2008-01-11 | 2008-01-11 | Carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101284929A true CN101284929A (en) | 2008-10-15 |
| CN101284929B CN101284929B (en) | 2010-08-18 |
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| CN2008100172750A Expired - Fee Related CN101284929B (en) | 2008-01-11 | 2008-01-11 | Carbon fluoride nano-tube/bimaleimide resin self-lubricating composite material and preparation process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795041A (en) * | 2018-05-07 | 2018-11-13 | 西安文理学院 | A kind of nanometer of MoS2/ carbon nanotube/bismaleimide resin composite material and preparation method |
| WO2020034497A1 (en) * | 2018-08-17 | 2020-02-20 | 深圳南科新材科技有限公司 | Anti-wear additive, preparation method therefor, use thereof, and lubricating oil containing same |
| CN114656787A (en) * | 2020-12-23 | 2022-06-24 | 中国石油化工股份有限公司 | Wear-resistant high-hardness anticorrosive composition and application thereof |
-
2008
- 2008-01-11 CN CN2008100172750A patent/CN101284929B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795041A (en) * | 2018-05-07 | 2018-11-13 | 西安文理学院 | A kind of nanometer of MoS2/ carbon nanotube/bismaleimide resin composite material and preparation method |
| CN108795041B (en) * | 2018-05-07 | 2020-11-10 | 西安文理学院 | Nano MoS2Carbon nano tube/bismaleimide resin composite material and preparation method thereof |
| WO2020034497A1 (en) * | 2018-08-17 | 2020-02-20 | 深圳南科新材科技有限公司 | Anti-wear additive, preparation method therefor, use thereof, and lubricating oil containing same |
| CN114656787A (en) * | 2020-12-23 | 2022-06-24 | 中国石油化工股份有限公司 | Wear-resistant high-hardness anticorrosive composition and application thereof |
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| Publication number | Publication date |
|---|---|
| CN101284929B (en) | 2010-08-18 |
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Granted publication date: 20100818 Termination date: 20130111 |