CN109608821A - A kind of preparation method of high tenacity transmission brake material - Google Patents
A kind of preparation method of high tenacity transmission brake material Download PDFInfo
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- CN109608821A CN109608821A CN201811586422.6A CN201811586422A CN109608821A CN 109608821 A CN109608821 A CN 109608821A CN 201811586422 A CN201811586422 A CN 201811586422A CN 109608821 A CN109608821 A CN 109608821A
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- high tenacity
- transmission brake
- premix
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- -1 polyoxy isobutylene Polymers 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 11
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 8
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 6
- 229910033181 TiB2 Inorganic materials 0.000 claims abstract description 6
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000010951 brass Substances 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- DSKJXGYAJJHDOE-UHFFFAOYSA-N methylideneurea Chemical compound NC(=O)N=C DSKJXGYAJJHDOE-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005011 phenolic resin Substances 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- 150000002148 esters Chemical class 0.000 claims abstract description 4
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 4
- 239000004677 Nylon Substances 0.000 claims abstract description 3
- 229920001778 nylon Polymers 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 16
- PGNRLPTYNKQQDY-UHFFFAOYSA-N 2,3-dihydroxyindole Chemical compound C1=CC=C2C(O)=C(O)NC2=C1 PGNRLPTYNKQQDY-UHFFFAOYSA-N 0.000 claims description 6
- OKBMHIVCLCZGLA-UHFFFAOYSA-N 5-butyl-6-ethoxydec-5-ene;tin Chemical compound [Sn].CCCCC(CCCC)=C(CCCC)OCC OKBMHIVCLCZGLA-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000035935 pregnancy Effects 0.000 claims description 6
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 239000011329 calcined coke Substances 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 5
- 235000012241 calcium silicate Nutrition 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 2
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 2
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 abstract description 5
- 238000000748 compression moulding Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 3
- ZWNZGTHTOBNSDL-UHFFFAOYSA-N N.[Ti+4] Chemical compound N.[Ti+4] ZWNZGTHTOBNSDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000002783 friction material Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229960004011 methenamine Drugs 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Braking Arrangements (AREA)
Abstract
Present invention relates particularly to present invention relates particularly to a kind of preparation methods of high tenacity transmission brake material: phenolic resin, polyoxy isobutylene/methylene urea copolymer, two nonyl ester ammonium titanium diboride fiber of sulfosuccinic acid, carbon silica fibre, brass fiber, nylon are uniformly mixed, then it adds frictional behaviour regulation composition and barium sulfate powder is uniformly mixed, obtain premix；Premix is subjected to shredding processing, is dried, compression molding is cooled to room temperature, obtains moulding material；Moulding material heating is post-processed, is then crushed and is driven brake material to get to the high tenacity.The present invention provides a kind of preparation methods of high tenacity transmission brake material, while with higher coefficient of friction, have preferable toughness, cracky, can not extend inspection, the replacement cycle of the Related product using this material, time saving and energy saving.
Description
Technical field
The invention belongs to friction material fields；More particularly to a kind of preparation method of high tenacity transmission brake material.
Background technique
Any mechanical equipment and the various vehicles of movement all must have braking or gearing.Friction material is this system
Critical piece on dynamic or transmission device.Its most important function is that power is absorbed or transmitted by rubbing.Such as clutch
Piece transmits power, and brake(-holder) block absorbs kinetic energy.They enable mechanical equipment safely and reliably to work with various motor vehicles.So
Say that friction material is that one kind is widely used and very crucially material.
The characteristics of friction material be there are good coefficient of friction and abrasion resistance properties, while have certain heat resistance and
Mechanical strength is able to satisfy the performance requirement of the transmission and braking of vehicle or machinery.They are widely used in automobile, train, fly
On all kinds of engineering mechanical devices such as machine, oil-well rig.Civil goods such as bicycle, washing machine etc. subtracts as the transmitting or braking of power
Fast indispensable material.
CN105294963B discloses a kind of friction material phenol-formaldehyde resin modified and preparation method thereof, belongs to modified phenolic
Resin technology field, preparation method is the following steps are included: (1) anacardol-formaldehyde reaction: anacardol, catalyst A and formaldehyde are mixed
It closes, 0.5-5h is reacted at a temperature of 50-80 DEG C, then phenol is added portionwise, be 0.02- in vacuum degree after reacting 1-5h
0.04MPa, temperature are at 60-90 DEG C, and decompression dehydration reacts 0.5-2h；(2) polymerization reaction: in the product obtained to step (1)
Boric acid, nanometer Zirconia and catalyst B is added, is 100-110 DEG C in temperature, vacuum degree is decompression dehydration under 0.05-0.08MPa
1-5h is reacted, is discharged after being warming up to 120-160 DEG C to get finished product is arrived.The phenol-formaldehyde resin modified prepared in this approach is applied to rub
Material is wiped, can make friction material that there is excellent hot property, mechanical property and frictional behaviour.
CN105196651B discloses a kind of friction material more particularly to a kind of multidimensional fiber-like high-quality friction material
And preparation method thereof.Sequentially include the following steps: multidimensional fiber-like composite friction material component ratio → braiding cyclization → dipping tree
Rouge → drying → solidification → steel core plate production → gluing → temperature-pressure bonding → final inspection → packaging → storage.A kind of fiber-like is multiple
Friction material and preparation method thereof is closed, there is lighter quality, high specific strength, stable coefficient of friction, excellent wear-resisting property
And heat resistance.
Existing brake material has the shortcomings that easy fracture, is particularly applied to rotate or be in for a long time for a long time
When high temperature instrument, generally require more frequently to check and replace, to cause inconvenience.
Summary of the invention
For the shortcomings of the prior art, the present invention provides a kind of preparation method of high tenacity transmission brake material.
Technical solution used in the present invention are as follows:
A kind of preparation method of high tenacity transmission brake material, includes the following steps:
Step 1. is by phenolic resin 18-25 parts by weight, polyoxy isobutylene/methylene urea copolymer 0.1-0.5 parts by weight, sulfo group
Two nonyl ester ammonium 0.015-0.075 parts by weight of succinic acid, titanium diboride fiber 3-8 parts by weight, carbon silica fibre 5-10 parts by weight, brass
Fiber 5-10 parts by weight, nylon 1-5 parts by weight are uniformly mixed, and then add frictional behaviour regulation composition 12-41 weight
It measures part and barium sulfate powder 0.5-2 parts by weight is uniformly mixed, obtain premix；
Premix is carried out shredding processing by step 2., and then premix is placed in high temperature oven and is dried, drying temperature control
At 80-95 DEG C, drying time was controlled at 25-35 minutes system, and then the premix after drying is placed in mold and is pressed and molded, mould
Molded condition are as follows: at 180-195 DEG C, pressure control is molded speed control in 3.5- in 40-45MPa for molding temperature control
4.0 minutes/millimeter, are then cooled to room temperature, obtain moulding material；
Moulding material is put into heating in high temperature oven and post-processed by step 3., is then crushed to get the high-ductility is arrived
Property transmission brake material, wherein the process conditions of post-processing are as follows: heating and temperature control at 165-175 DEG C, heating time control exists
20-30 minutes.
The frictional behaviour regulation composition is prepared as follows:
By calcined coke 4.5-10.5 parts by weight, acrylonitrile-butadiene rubber powder 3-8 parts by weight, expanded graphite 1.5-7.5 parts by weight, boron nitride
Powder 1-5 parts by weight, calcium silicates powder 1-5 parts by weight, poly- dihydroxy indole 1-5 parts by weight, tributyl (1- ethoxy ethylene) tin
0.02-0.2 parts by weight, pregnancy hydroxyl trimethylene tetramine 0.03-0.09 parts by weight, mica powder 1-5 parts by weight are put into batch mixer
In, rotation is opened, the revolving speed of batch mixer is controlled at 1500-2000 revs/min, carries out material mixing, material is after mixing
Obtain the frictional behaviour regulation composition.
The mixed time controlled at 15-30 minutes.
The shredding processing is carried out using opener, and the feed quantity of opener is 200-300kg/h.
The size controlling of the crushing is in 10-30mm.
The present invention provides a kind of preparation methods of high tenacity transmission brake material, with the same of higher coefficient of friction
When, there is preferable toughness, cracky, can not extend inspection, the replacement cycle of the Related product using this material, time saving province
Power.
Specific embodiment
Below by specific embodiment, the invention will be further described:
Embodiment 1
A kind of preparation method of high tenacity transmission brake material, includes the following steps:
Step 1. is by 22 parts by weight of phenolic resin, polyoxy isobutylene/0.3 parts by weight of methylene urea copolymer, sulfosuccinic acid
Two nonyl ester ammoniums, 0.053 parts by weight, 5 parts by weight of titanium diboride fiber, 8 parts by weight of carbon silica fibre, 8 parts by weight of brass fiber, amide
3 parts by weight of fiber are uniformly mixed, and then add 1.5 parts by weight of 26 parts by weight of frictional behaviour regulation composition and barium sulfate powder
It is uniformly mixed, obtains premix；
Premix is carried out shredding processing by step 2., and the shredding processing is carried out using opener, and the feed quantity of opener is
Then premix is placed in high temperature oven and dries by 250kg/h, at 90 DEG C, drying time control exists for drying temperature control
30 minutes, then the premix after drying is placed in mold and is pressed and molded, the condition of compression molding are as follows: molding temperature control exists
190 DEG C, pressure control is molded speed control in 3.8 minutes/millimeter, is then cooled to room temperature, obtains moulding material in 42MPa；
Moulding material is put into heating in high temperature oven and post-processed by step 3., is then crushed, the partial size of the crushing
Control is driven brake material in 20mm to get to the high tenacity, wherein the process conditions of post-processing are as follows: heating and temperature control
At 170 DEG C, heating time was controlled at 25 minutes.
The frictional behaviour regulation composition is prepared as follows:
By 7 parts by weight of calcined coke, 5 parts by weight of acrylonitrile-butadiene rubber powder, 5 parts by weight of expanded graphite, 3 parts by weight of boron nitride powder, silicic acid
3 parts by weight of calcium powder, 3 parts by weight of poly- dihydroxy indole, 0.08 parts by weight of tributyl (1- ethoxy ethylene) tin, pregnancy hydroxyl three
0.06 parts by weight of methenamine, 3 parts by weight of mica powder are put into batch mixer, open rotation, and the revolving speed control of batch mixer is existed
1800 revs/min, material mixing is carried out, at 25 minutes, material obtained described after mixing for the mixed time control
Frictional behaviour regulation composition.
Through examining, the coefficient of friction of gained sample is 0.44, and fracture toughness is 5.87 MPa.m1/2。
Embodiment 2
A kind of preparation method of high tenacity transmission brake material, includes the following steps:
Step 1. is by 18 parts by weight of phenolic resin, polyoxy isobutylene/0.1 parts by weight of methylene urea copolymer, sulfosuccinic acid
Two nonyl ester ammoniums, 0.015 parts by weight, 3 parts by weight of titanium diboride fiber, 5 parts by weight of carbon silica fibre, 5 parts by weight of brass fiber, amide
1 parts by weight of fiber are uniformly mixed, and then add 0.5 parts by weight of 12 parts by weight of frictional behaviour regulation composition and barium sulfate powder
It is uniformly mixed, obtains premix；
Premix is carried out shredding processing by step 2., and the shredding processing is carried out using opener, and the feed quantity of opener is
Then premix is placed in high temperature oven and dries by 200kg/h, at 80 DEG C, drying time control exists for drying temperature control
25 minutes, then the premix after drying is placed in mold and is pressed and molded, the condition of compression molding are as follows: molding temperature control exists
180 DEG C, pressure control is molded speed control in 3.5 minutes/millimeter, is then cooled to room temperature, obtains moulding material in 40MPa；
Moulding material is put into heating in high temperature oven and post-processed by step 3., is then crushed, the partial size of the crushing
Control is driven brake material in 10mm to get to the high tenacity, wherein the process conditions of post-processing are as follows: heating and temperature control
At 165 DEG C, heating time was controlled at 20 minutes.
The frictional behaviour regulation composition is prepared as follows:
By 4.5 parts by weight of calcined coke, 3 parts by weight of acrylonitrile-butadiene rubber powder, 1.5 parts by weight of expanded graphite, 1 parts by weight of boron nitride powder,
1 parts by weight of calcium silicates powder, 1 parts by weight of poly- dihydroxy indole, 0.02 parts by weight of tributyl (1- ethoxy ethylene) tin, pregnancy hydroxyl
0.03 parts by weight of base trimethylene tetramine, 1 parts by weight of mica powder are put into batch mixer, rotation are opened, by the revolving speed control of batch mixer
System carries out material mixing, at 15 minutes, material obtained after mixing for the mixed time control at 1500 revs/min
The frictional behaviour regulation composition.
Through examining, the coefficient of friction of gained sample is 0.42, and fracture toughness is 5.79 MPa.m1/2。
Embodiment 3
A kind of preparation method of high tenacity transmission brake material, includes the following steps:
Step 1. is by 25 parts by weight of phenolic resin, polyoxy isobutylene/0.5 parts by weight of methylene urea copolymer, sulfosuccinic acid
Two nonyl ester ammoniums, 0.075 parts by weight, 8 parts by weight of titanium diboride fiber, 10 parts by weight of carbon silica fibre, 10 parts by weight of brass fiber, acyl
5 parts by weight of amine fiber are uniformly mixed, and then add 2 parts by weight of 41 parts by weight of frictional behaviour regulation composition and barium sulfate powder
It is uniformly mixed, obtains premix；
Premix is carried out shredding processing by step 2., and the shredding processing is carried out using opener, and the feed quantity of opener is
Then premix is placed in high temperature oven and dries by 300kg/h, at 95 DEG C, drying time control exists for drying temperature control
35 minutes, then the premix after drying is placed in mold and is pressed and molded, the condition of compression molding are as follows: molding temperature control exists
195 DEG C, pressure control is molded speed control in 4 minutes/millimeter, is then cooled to room temperature, obtains moulding material in 45MPa；
Moulding material is put into heating in high temperature oven and post-processed by step 3., is then crushed, the partial size of the crushing
Control is driven brake material in 30mm to get to the high tenacity, wherein the process conditions of post-processing are as follows: heating and temperature control
At 175 DEG C, heating time was controlled at 30 minutes.
The frictional behaviour regulation composition is prepared as follows:
By 10.5 parts by weight of calcined coke, 8 parts by weight of acrylonitrile-butadiene rubber powder, 7.5 parts by weight of expanded graphite, 5 parts by weight of boron nitride powder,
5 parts by weight of calcium silicates powder, 5 parts by weight of poly- dihydroxy indole, 0.2 parts by weight of tributyl (1- ethoxy ethylene) tin, pregnancy hydroxyl
0.09 parts by weight of base trimethylene tetramine, 5 parts by weight of mica powder are put into batch mixer, rotation are opened, by the revolving speed control of batch mixer
System carries out material mixing, at 30 minutes, material obtained after mixing for the mixed time control at 2000 revs/min
The frictional behaviour regulation composition；
Through examining, the coefficient of friction of gained sample is 0.45, and fracture toughness is 6.01 MPa.m1/2。
Comparative example 1
It prepares and does not include pregnancy hydroxyl trimethylene tetramine, the other the same as in Example 1 in component.
Through examining, the coefficient of friction of gained sample is 0.36, and fracture toughness is 5.26 MPa.m1/2。
Comparative example 2
It prepares and does not include two nonyl ester ammonium of sulfosuccinic acid, the other the same as in Example 1 in component.
Through examining, the coefficient of friction of gained sample is 0.35, and fracture toughness is 5.29 MPa.m1/2。
Comparative example 3
It prepares and does not include poly- dihydroxy indole, the other the same as in Example 1 in component.
Through examining, the coefficient of friction of gained sample is 0.37, and fracture toughness is 5.22 MPa.m1/2。
Comparative example 4
It prepares and does not include tributyl (1- ethoxy ethylene) tin, the other the same as in Example 1 in component.
Through examining, the coefficient of friction of gained sample is 0.34, and fracture toughness is 5.19 MPa.m1/2。
Claims (5)
1. a kind of preparation method of high tenacity transmission brake material, it is characterised in that include the following steps:
Step 1. is by phenolic resin 18-25 parts by weight, polyoxy isobutylene/methylene urea copolymer 0.1-0.5 parts by weight, sulfo group
Two nonyl ester ammonium 0.015-0.075 parts by weight of succinic acid, titanium diboride fiber 3-8 parts by weight, carbon silica fibre 5-10 parts by weight, brass
Fiber 5-10 parts by weight, nylon 1-5 parts by weight are uniformly mixed, and then add frictional behaviour regulation composition 12-41 weight
It measures part and barium sulfate powder 0.5-2 parts by weight is uniformly mixed, obtain premix；
Premix is carried out shredding processing by step 2., and then premix is placed in high temperature oven and is dried, drying temperature control
At 80-95 DEG C, drying time was controlled at 25-35 minutes system, and then the premix after drying is placed in mold and is pressed and molded, mould
Molded condition are as follows: at 180-195 DEG C, pressure control is molded speed control in 3.5- in 40-45MPa for molding temperature control
4.0 minutes/millimeter, are then cooled to room temperature, obtain moulding material；
Moulding material is put into heating in high temperature oven and post-processed by step 3., is then crushed to get the high-ductility is arrived
Property transmission brake material, wherein the process conditions of post-processing are as follows: heating and temperature control at 165-175 DEG C, heating time control exists
20-30 minutes.
2. a kind of preparation method of high tenacity transmission brake material according to claim 1, it is characterised in that the friction
Property regulation composition is prepared as follows:
By calcined coke 4.5-10.5 parts by weight, acrylonitrile-butadiene rubber powder 3-8 parts by weight, expanded graphite 1.5-7.5 parts by weight, boron nitride
Powder 1-5 parts by weight, calcium silicates powder 1-5 parts by weight, poly- dihydroxy indole 1-5 parts by weight, tributyl (1- ethoxy ethylene) tin
0.02-0.2 parts by weight, pregnancy hydroxyl trimethylene tetramine 0.03-0.09 parts by weight, mica powder 1-5 parts by weight are put into batch mixer
In, rotation is opened, the revolving speed of batch mixer is controlled at 1500-2000 revs/min, carries out material mixing, material is after mixing
Obtain the frictional behaviour regulation composition.
3. a kind of preparation method of high tenacity transmission brake material according to claim 1, it is characterised in that: the mixing
Time control at 15-30 minutes.
4. a kind of preparation method of high tenacity transmission brake material according to claim 1, it is characterised in that: the shredding
Processing is carried out using opener, and the feed quantity of opener is 200-300kg/h.
5. a kind of preparation method of high tenacity transmission brake material according to claim 1, it is characterised in that: the crushing
Size controlling in 10-30mm.
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| CN201811586422.6A CN109608821A (en) | 2018-12-25 | 2018-12-25 | A kind of preparation method of high tenacity transmission brake material |
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| CN201811586422.6A CN109608821A (en) | 2018-12-25 | 2018-12-25 | A kind of preparation method of high tenacity transmission brake material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986737A (en) * | 2019-05-16 | 2019-07-09 | 航天特种材料及工艺技术研究所 | A kind of phenolic aldehyde premix preprocess method and compression-moulding methods |
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|---|---|---|---|---|
| CN1468890A (en) * | 2003-06-12 | 2004-01-21 | 山东大学 | Carbon fiber reinforced friction material and its prepn |
| CN102191015A (en) * | 2011-04-08 | 2011-09-21 | 复旦大学 | Hybrid fiber reinforced friction material for train braking and preparation method thereof |
| CN103059504A (en) * | 2011-10-24 | 2013-04-24 | 滁州格美特科技有限公司 | Reinforced wear-resistant automobile brake composite material and preparation method thereof |
| CN106402216A (en) * | 2016-10-13 | 2017-02-15 | 西安航空制动科技有限公司 | Friction material for underground brake shoe and method for preparing shoe |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468890A (en) * | 2003-06-12 | 2004-01-21 | 山东大学 | Carbon fiber reinforced friction material and its prepn |
| CN102191015A (en) * | 2011-04-08 | 2011-09-21 | 复旦大学 | Hybrid fiber reinforced friction material for train braking and preparation method thereof |
| CN103059504A (en) * | 2011-10-24 | 2013-04-24 | 滁州格美特科技有限公司 | Reinforced wear-resistant automobile brake composite material and preparation method thereof |
| CN106402216A (en) * | 2016-10-13 | 2017-02-15 | 西安航空制动科技有限公司 | Friction material for underground brake shoe and method for preparing shoe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986737A (en) * | 2019-05-16 | 2019-07-09 | 航天特种材料及工艺技术研究所 | A kind of phenolic aldehyde premix preprocess method and compression-moulding methods |
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