CN104529452B - Graphene oxide matter roasting type contact material and preparation method thereof - Google Patents
Graphene oxide matter roasting type contact material and preparation method thereof Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 83
- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract description 36
- 239000011230 binding agent Substances 0.000 claims abstract description 35
- 238000004898 kneading Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 25
- 238000013467 fragmentation Methods 0.000 claims abstract description 20
- 238000006062 fragmentation reaction Methods 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000001132 ultrasonic dispersion Methods 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 24
- 239000005011 phenolic resin Substances 0.000 claims description 24
- 239000003245 coal Substances 0.000 claims description 20
- 239000010426 asphalt Substances 0.000 claims description 17
- 239000003822 epoxy resin Substances 0.000 claims description 16
- 229920000647 polyepoxide Polymers 0.000 claims description 16
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 6
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 6
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000005642 Oleic acid Substances 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 6
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 6
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 6
- 239000007767 bonding agent Substances 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003610 charcoal Substances 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- -1 phenolic aldehyde Chemical class 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 241001076939 Artines Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
A kind of graphene oxide matter roasting type contact material, it is taking graphene oxide, powder process binding agent and molding adhesive etc. as raw material, graphene oxide is to carry out kneading, moulding and roasting with the form of time processing roasting powder and molding adhesive, and time processing roasting powder is to be made after kneading, moulding, roasting by graphene oxide and powder process binding agent. The preparation method of this contact material comprises the following steps: graphene oxide is carried out adding in powder process binding agent after ultrasonic dispersion; This compound is carried out to kneading, rolls sheet, fragmentation, abrasive dust, mixes, carries out bakes to burn the article after moulding and make time processing roasting powder; Directly add to using this as filler and in molding adhesive, carry out powerful kneading; After rolling sheet, fragmentation, abrasive dust, mixing, carry out again secondary compressing; Blank after moulding carries out after baking, makes product. Product of the present invention have high strength, high tenacity, high conductivity, heat-resisting good, press down arc and the advantage such as wear-resisting.
Description
Technical field
The invention belongs to contact material and preparation field thereof, relate in particular to a kind of graphene oxide matter contact material and preparation thereofMethod.
Background technology
Sliding (turning) moving contact material is the critical component in each electric appliances, the quality of its performance be directly connected to motor, instrument,Reliability, stability and the service life of circuit. Sliding (turning) moving contact material is mainly used in high-speed electric railway system (bagDraw together high ferro, subway, light rail and magnetic suspension train etc.) be subject to stream, city public power traffic (comprises tramcar and tracklessElectric car etc.) electrical power transmission system, carbon brush and the collector ring of industry-wide motor (comprise that direct current generator, locomotive leadDraw motor, rolling mill, exciter etc.), fairing and high-power and high-speed motor etc. in carrier rocket lift-off process.
The moving contact material of existing cunning (turning) is often because the defect of self material is difficult to coordinate " the coupling, resistance to that its coupled system requiresWearing and tearing and but arc " problem. Traditional Metal Substrate contact material, charcoal base electrical contact material and charcoal fiber-reinforced composite electrically contact materialMaterial all causes using limited because being difficult to take into account These characteristics. In addition, increasing considerably and power of motor along with railway operation speedImprove constantly, the performance of the moving contact material of cunning (turning) is had higher requirement.
Graphene oxide is as a kind of novel charcoal material of excellent performance, has higher intensity, specific area, good conductionThermal conductivity and abundant surface functional group, compare Graphene and be easier to inlay, with binding agent (phenolic resins, coal tar pitch) interfaceCompatibility is good, and adhesion is strong. For giving full play to the above-mentioned premium properties of graphene oxide, developing a kind of Novel carbon is to electrically contact materialMaterial, had both needed to solve material normal adhesion strength occurring in toughness reinforcing electric Carbon Materials process that existing specific area is larger inadequate, equalOne difficult problem that property is poor, goods are easy to crack also will be taken into account increasing mill and the antifriction feature of graphene oxide matter contact material, this simultaneouslyBecome the difficult problem that those skilled in the art face.
Summary of the invention
Technical problem to be solved by this invention is, overcomes deficiency and the defect in above background technology, mentioned, provides a kind of high-strengthDegree, high tenacity, high conductivity, heat-resisting good, press down arc and wear-resisting graphene oxide matter roasting type contact material, also correspondingThe preparation method of this graphene oxide matter roasting type contact material is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is a kind of graphene oxide matter roasting type contact material,Described graphene oxide matter roasting type contact material is taking graphene oxide as matrix material, with phenolic resins, epoxy resin,At least two kinds in modified coal asphalt as binding agent, and described binding agent comprises powder process binding agent and molding adhesive, wherein saidGraphene oxide is to carry out kneading, moulding and roasting with the form of time processing roasting powder and described molding adhesive, described oneInferior processing roasting powder is to be made after kneading, moulding, roasting and fragmentation by graphene oxide and powder process binding agent.
Above-mentioned graphene oxide matter roasting type contact material, preferred, described powder process binding agent is phenolic resins and epoxy treeThe composition of fat or be the composition of modified coal asphalt and epoxy resin; Described molding adhesive is phenolic resins and upgrading coal dropBlue or green composition.
Above-mentioned graphene oxide matter roasting type contact material, preferred, described time processing roasting powder is mainly by following matterThe raw material of amount mark makes after kneading, moulding, roasting and fragmentation:
Graphene oxide 40wt%～65wt%;
Phenolic resins or modified coal asphalt 20wt%～50wt%;
Epoxy resin 5wt%～10wt%;
Hexamethylenetetramine 1wt%～2wt%;
Triethanolamine 1wt%～3wt% and
Rubber powder 1wt%～2wt%.
Above-mentioned graphene oxide matter roasting type contact material, preferred, described graphene oxide matter roasting type contact materialMainly made after kneading, moulding, roasting by the raw material of following mass fraction:
Time processing roasting powder 40wt%～57wt%;
Modified coal asphalt 20wt%～35wt%;
Phenolic resins 20wt%～30wt%;
Dodecyl sodium sulfate 1wt%～2% He
Oleic acid 2wt%～3%.
Technique scheme of the present invention is using graphene oxide as wild phase filler, is aided with binding agent as continuous phase matrix,Construct " dual network " structure of graphene oxide-bonding coke, given full play to the graphene oxide with high specific surface areaPremium properties.
As a total technical conceive, the present invention also provides a kind of system of above-mentioned graphene oxide matter roasting type contact materialPreparation Method, comprises the following steps:
A) graphene oxide is carried out add in described powder process binding agent and disperse after ultrasonic dispersion;
B) above-mentioned compound carried out to kneading, roll sheet, fragmentation, abrasive dust, after again mixing, carry out once compressing;
C) above-mentioned blank after once compressing is carried out to bakes to burn the article, then carry out fragmentation and make time processing roasting powder;
D), using the above-mentioned time processing roasting powder making as filler, directly add to and in molding adhesive, carry out powerful kneading;
E) after rolling sheet, fragmentation, abrasive dust, mixing, carry out again secondary compressing;
F) blank after compressing above-mentioned secondary is carried out to after baking, make graphene oxide matter roasting type contact material.
Above-mentioned preparation method, preferred, described step a) in, when ultrasonic dispersion, the mass ratio of graphene oxide and water is 1:10, the time of ultrasonic dispersion is controlled as 2h～3h; After ultrasonic dispersion completes with containing the following component of powder process bonding agent by following raw materialProportioning is mixed, and adopts vacuum drying that moisture is discharged. Sufficient ultrasonic dispersion and with the form of time processing roasting powderEffectively avoided the reunion of graphene oxide as matrix material, given full play to the enhancing of graphene oxide, toughness reinforcing, heat conduction,Conduction and anti abrasive feature.
Above-mentioned preparation method, preferred, raw material proportioning when described step is disperseed in a) is as follows:
Graphene oxide 40wt%～65wt%;
Phenolic resins or modified coal asphalt 20wt%～50wt%;
Epoxy resin 5wt%～10wt%;
Hexamethylenetetramine 1wt%～2wt%;
Triethanolamine 1wt%～3wt% and
Rubber powder 1wt%～2wt%.
Above-mentioned preparation method, preferred, described steps d) in, raw material proportioning when powerful kneading is as follows:
Time processing roasting powder 40wt%～57wt%;
Modified coal asphalt 20wt%～35wt%;
Phenolic resins 20wt%～30wt%;
Dodecyl sodium sulfate 1wt%～2wt% and
Oleic acid 2wt%～3wt%.
Above-mentioned preparation method, preferred, described step b) and step e) in, once compressing and secondary is compressingPressure size is controlled as 32MPa～48MPa.
Above-mentioned preparation method, preferred, roasting final temperature control when described bakes to burn the article is 600 DEG C～760 DEG C, bakes to burn the articleTime is 5～40h; More preferably 37h.
Above-mentioned preparation method, preferred, roasting final temperature control when described after baking is 650 DEG C～760 DEG C, after bakingTime is 38～42h, more preferably 40h.
Above-mentioned preparation method, preferred, described in need repeatedly carry out 3～4 times while rolling sheet and roll sheet.
Technique scheme of the present invention for existing contact material be difficult to have both high strength, high conductivity, heat-resisting good, press downArc and anti abrasive characteristic, developed the moving contact material of a kind of graphene oxide matter roasting type sliding (turning), and it is mainly basisThe feature that graphene oxide surface functional group is abundant, coordinates the combination properties such as its high specific surface area and high-strength, high-ductility, for fullyThe premium properties of performance graphene oxide, avoids the reunion of graphene oxide, and the present invention adopts the time processing roasting of graphene oxideBurn the filler that powder is prepared as finished product, and improved and mixed the mode of disperseing, it is fully mixed with binding agent; Logical in additionCross the formula of optimizing binding agent and auxiliary agent, solved the adhesion strength of normal appearance in the toughness reinforcing electric charcoal of the larger material of existing specific area notThe technical barrier such as enough, homogeneity is poor, goods are easy to crack, has effectively avoided the agglomeration traits of graphene oxide, has given full play to oxygenThe physicochemical properties of functionalized graphene, reach the effect organically combining between graphene oxide surface functional group and binding agent molecular link.
Preparation method of the present invention be adopt graphene oxide be filler, taking in phenolic resins, epoxy resin and pitch multiple for glueKnot agent, the mode that adopts substep to prepare, first makes first stage material by graphene oxide and powder process binding agent through operations such as kneadings,And then will expect the first stage and the sample preparation of molding adhesive kneading, whole processing step, technological parameter and binding agent are selected all and have been doneLarger improvement and optimization.
Compared with prior art, the invention has the advantages that: graphene oxide matter roasting type contact material profit prepared by the present inventionHave the feature of enriching surface functional group with graphene oxide, by adopting the addition manner of time processing roasting powder, make its withThe interface phase of binding agent carries out fully in conjunction with rear, as filler, effectively having avoided the reunion of graphene oxide, has given full play to oxygenThe advantageous property of functionalized graphene, has improved the combination property of goods, and then has made up that traditional electrical contact material is not wear-resisting, electrical resistanceThe deficiencies such as energy is poor. Graphene oxide matter roasting type contact material prepared by the present invention has that intensity is high, good toughness, conduct electricity, leadThe hot advantage such as good and wear-resistant.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or prior artIn description, the accompanying drawing of required use is briefly described, and apparently, the accompanying drawing in the following describes is realities more of the present inventionExecute example, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also be according to these accompanying drawingsObtain other accompanying drawing.
Fig. 1 is preparation method's of the present invention process chart.
Detailed description of the invention
For the ease of understanding the present invention, below in connection with Figure of description and preferred embodiment to the present invention do more comprehensively, carefulGround is described, but protection scope of the present invention is not limited to following specific embodiment.
Unless otherwise defined, all technical terms of hereinafter using are identical with the implication that those skilled in the art understand conventionally.Technical term used herein, just in order to describe the object of specific embodiment, is not to be intended to limit protection model of the present inventionEnclose.
Unless otherwise specified, the various raw material used in the present invention, reagent, instrument and equipment etc. all can be purchased by marketCan buy or can prepare by existing method.
Embodiment 1:
A kind of graphene oxide matter roasting type contact material of the present invention, it is as matrix material, with phenolic aldehyde taking graphene oxideAt least two kinds in resin, epoxy resin, modified coal asphalt as binding agent, this binding agent comprise powder process binding agent and moulding stickyKnot agent, wherein graphene oxide is to carry out kneading, moulding and roasting with form and the molding adhesive of time processing roasting powder,Time processing roasting powder is to be made after kneading, moulding, roasting and fragmentation by graphene oxide and powder process binding agent. This enforcementThe powder process binding agent of example is the composition of phenolic resins and epoxy resin; Molding adhesive is the group of phenolic resins and modified coal asphaltCompound.
As shown in Figure 1, the preparation method of the above-mentioned graphene oxide matter roasting type contact material of the present embodiment, comprises following stepRapid:
A) graphene oxide is carried out add in powder process binding agent and disperse after ultrasonic dispersion; Graphene oxide is carried out ultrasonicIt is 2～3h that the time of disperseing is controlled; Raw material proportioning when dispersion is as follows:
Graphene oxide 60wt%;
Phenolic resins 25wt%;
Epoxy resin 9wt%;
Hexamethylenetetramine 2wt%;
Triethanolamine 2wt% and
Rubber powder 2wt%;
B) above-mentioned compound carried out to kneading, roll sheet, fragmentation, abrasive dust, after again mixing, carry out once compressing; OnceCompressing pressure size is controlled as 32MPa;
C) above-mentioned blank after once compressing is carried out to bakes to burn the article, roasting final temperature control when bakes to burn the article be 600 DEG C～760 DEG C, roasting time control is 37h, then carries out fragmentation and make time processing roasting powder;
D), using the above-mentioned time processing roasting powder making as filler, directly add to and in molding adhesive, carry out powerful kneading;Raw material proportioning when powerful kneading is as follows:
Time processing roasting powder 45wt%;
Modified coal asphalt 30wt%;
Phenolic resins 20wt%;
Dodecyl sodium sulfate 2wt% and
Oleic acid 3wt%;
E) after rolling sheet, fragmentation, abrasive dust, mixing, carry out again secondary compressing; The compressing pressure size of secondary is controlled and is40MPa；
F) blank after compressing above-mentioned secondary is carried out to after baking, roasting final temperature control when after baking be 650 DEG C～760 DEG C, the after baking time is controlled as 40h, makes graphene oxide matter roasting type contact material.
The performance of the above-mentioned graphene oxide matter roasting type contact material that detection the present embodiment makes, by above-mentioned graphene oxide matterRoasting type contact material sample is made brush and is tested, and the indices recording is as shown in table 1 below:
Product performance index in table 1: embodiment 1
Embodiment 2:
A kind of graphene oxide matter roasting type contact material of the present invention, it is as matrix material, with phenolic aldehyde taking graphene oxideAt least two kinds in resin, epoxy resin, modified coal asphalt as binding agent, this binding agent comprise powder process binding agent and moulding stickyKnot agent, wherein graphene oxide is to carry out kneading, moulding and roasting with form and the molding adhesive of time processing roasting powder,Time processing roasting powder is to be made after kneading, moulding, roasting and fragmentation by graphene oxide and powder process binding agent. This enforcementThe powder process binding agent of example is the composition of phenolic resins and epoxy resin; Molding adhesive is the group of phenolic resins and modified coal asphaltCompound.
As shown in Figure 1, the preparation method of the above-mentioned graphene oxide matter roasting type contact material of the present embodiment, comprises following stepRapid:
A) graphene oxide is carried out add in powder process binding agent and disperse after ultrasonic dispersion; Graphene oxide is carried out ultrasonicIt is 2～3h that the time of disperseing is controlled; Raw material proportioning when dispersion is as follows:
Graphene oxide 55wt%;
Phenolic resins 30wt%;
Epoxy resin 9wt%;
Hexamethylenetetramine 2wt%;
Triethanolamine 2wt% and
Rubber powder 2wt%;
B) above-mentioned compound carried out to kneading, roll sheet, fragmentation, abrasive dust, after again mixing, carry out once compressing; OnceCompressing pressure size is controlled as 34MPa;
C) above-mentioned blank after once compressing is carried out to bakes to burn the article, roasting final temperature control when bakes to burn the article be 600 DEG C～760 DEG C, roasting time control is 37h, then carries out fragmentation and make time processing roasting powder;
D), using the above-mentioned time processing roasting powder making as filler, directly add to and in molding adhesive, carry out powerful kneading;Raw material proportioning when powerful kneading is as follows:
Time processing roasting powder 50wt%;
Modified coal asphalt 20wt%;
Phenolic resins 25wt%;
Dodecyl sodium sulfate 2wt% and
Oleic acid 3wt%;
E) after rolling sheet, fragmentation, abrasive dust, mixing, carry out again secondary compressing; The compressing pressure size of secondary is controlled and is42MPa；
F) blank after compressing above-mentioned secondary is carried out to after baking, roasting final temperature control when after baking be 650 DEG C～760 DEG C, roasting time control is 40h, makes graphene oxide matter roasting type contact material.
The performance of the above-mentioned graphene oxide matter roasting type contact material that detection the present embodiment makes, by above-mentioned graphene oxide matterRoasting type contact material sample is made brush and is carried out performance test, and the indices recording is as shown in table 2 below:
Product performance index in table 2: embodiment 2
Claims (8)
1. a graphene oxide matter roasting type contact material, it is characterized in that, described graphene oxide matter roasting type contact material is taking graphene oxide as matrix material, with phenolic resins, epoxy resin, at least two kinds in modified coal asphalt as binding agent, described binding agent comprises powder process binding agent and molding adhesive, wherein said graphene oxide is to carry out kneading with the form of time processing roasting powder and described molding adhesive, moulding and roasting, described time processing roasting powder is through kneading by graphene oxide and powder process binding agent, moulding, after roasting and fragmentation, make,
The composition that described powder process binding agent is phenolic resins and epoxy resin or be the composition of modified coal asphalt and epoxy resin; Described molding adhesive is the composition of phenolic resins and modified coal asphalt;
Described time processing roasting powder is mainly made after kneading, moulding, roasting and fragmentation by the raw material of following mass fraction:
Graphene oxide 40wt%～65wt%;
Phenolic resins or modified coal asphalt 20wt%～50wt%;
Epoxy resin 5wt%～10wt%;
Hexamethylenetetramine 1wt%～2wt%;
Triethanolamine 1wt%～3wt% and
Rubber powder 1wt%～2wt%.
2. graphene oxide matter roasting type contact material according to claim 1, is characterized in that, described graphene oxide matter roasting type contact material is mainly made after kneading, moulding, roasting by the raw material of following mass fraction:
Time processing roasting powder 40wt%～57wt%;
Modified coal asphalt 20wt%～35wt%;
Phenolic resins 20wt%～30wt%;
Dodecyl sodium sulfate 1wt%～2wt% and
Oleic acid 2wt%～3wt%.
3. a preparation method for graphene oxide matter roasting type contact material as claimed in claim 1, comprises the following steps:
A) graphene oxide is carried out add in described powder process binding agent and disperse and mix after ultrasonic dispersion;
B) above-mentioned compound carried out to kneading, roll sheet, fragmentation, abrasive dust, after again mixing, carry out once compressing;
C) above-mentioned blank after once compressing is carried out to bakes to burn the article, then carry out fragmentation and make time processing roasting powder;
D), using the above-mentioned time processing roasting powder making as filler, directly add to and in molding adhesive, carry out powerful kneading;
E) after rolling sheet, fragmentation, abrasive dust, mixing, carry out again secondary compressing;
F) blank after compressing above-mentioned secondary is carried out to after baking, make graphene oxide matter roasting type contact material.
4. preparation method according to claim 3, is characterized in that, in described step a), when ultrasonic dispersion, the mass ratio of graphene oxide and water is 1: 10, and ultrasonic jitter time is 2h～3h; After ultrasonic dispersion completes, mix according to the following ratio with the following component containing powder process bonding agent, and adopt vacuum drying that moisture is discharged:
Graphene oxide 40wt%～65wt%;
Phenolic resins or modified coal asphalt 20wt%～50wt%;
Epoxy resin 5wt%～10wt%;
Hexamethylenetetramine 1wt%～2wt%;
Triethanolamine 1wt%～3wt% and
Rubber powder 1wt%～2wt%.
5. preparation method according to claim 3, is characterized in that, in described step d), raw material proportioning when powerful kneading is as follows:
Time processing roasting powder 40wt%～57wt%;
Modified coal asphalt 20wt%～35wt%;
Phenolic resins 20wt%～30wt%;
Dodecyl sodium sulfate 1wt%～2wt% and
Oleic acid 2wt%～3wt%.
6. according to the preparation method described in claim 3,4 or 5, it is characterized in that, in described step b) and step e), once the compressing pressure size of compressing and secondary is controlled as 32MPa～48MPa.
7. according to the preparation method described in claim 3,4 or 5, it is characterized in that, roasting final temperature control when described bakes to burn the article is 600 DEG C～760 DEG C, and the bakes to burn the article time is 5～40h; Roasting final temperature control when described after baking is 650 DEG C～760 DEG C, and the after baking time is 38～42h.
8. according to the preparation method described in claim 3,4 or 5, it is characterized in that, described in need repeatedly carry out 3～4 times while rolling sheet and roll sheet.
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| CN107785745A (en) * | 2016-08-31 | 2018-03-09 | 苏州东翔碳素有限公司 | A kind of brush for electric tool motor |
| CN107785746A (en) * | 2016-08-31 | 2018-03-09 | 苏州东翔碳素有限公司 | A kind of brush material for preparing electric tool motor |
| CN106981657B (en) * | 2017-05-26 | 2019-08-02 | 成都海成远创科技有限公司 | A kind of graphite cathode material and preparation method thereof |
| CN107254170B (en) * | 2017-06-20 | 2020-04-03 | 苏州大学 | Electric brush based on cyanate ester/bismaleimide resin and preparation method thereof |
| CN107141794A (en) * | 2017-06-20 | 2017-09-08 | 苏州大学 | A kind of resin base brush and preparation method thereof |
| CN107695356B (en) * | 2017-08-30 | 2019-09-27 | 昆明理工大学 | A kind of preparation method of silver/graphite/graphene sliding contact material |
| JP2021123733A (en) * | 2020-02-03 | 2021-08-30 | 矢崎総業株式会社 | Electric connection component and method for manufacturing the same |
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| CN101710619A (en) * | 2009-12-14 | 2010-05-19 | 重庆大学 | Electrode plate for lithium ion battery and manufacturing method thereof |
| CN103811718B (en) * | 2014-02-20 | 2016-08-17 | 深圳市贝特瑞新能源材料股份有限公司 | The preparation method of a kind of graphene-based composite negative pole material and prepared negative material and lithium ion battery |
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