CN108587051A - A kind of high temperature resistant anticracking clutch surface and its preparation process - Google Patents

A kind of high temperature resistant anticracking clutch surface and its preparation process Download PDF

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Publication number
CN108587051A
CN108587051A CN201810444659.4A CN201810444659A CN108587051A CN 108587051 A CN108587051 A CN 108587051A CN 201810444659 A CN201810444659 A CN 201810444659A CN 108587051 A CN108587051 A CN 108587051A
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parts
high temperature
clutch surface
temperature resistant
product
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徐长城
廖翔宇
程慧玲
王宗和
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Zhejiang Kema Friction Materials Co Ltd
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Zhejiang Kema Friction Materials Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/0427Coating with only one layer of a composition containing a polymer binder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00Friction clutches
    • F16D13/58Details
    • F16D13/60Clutching elements
    • F16D13/64Clutch-plates; Clutch-lamellae
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2463/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2217Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224Magnesium hydroxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2227Oxides; Hydroxides of metals of aluminium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A kind of high temperature resistant anticracking clutch surface of the present invention, is made of the raw material of following parts by weight:24 parts of butadiene-styrene rubber, modified 0.3 0.6 parts of bamboo fibre, 0.3 0.6 parts of ceramic fibre, 57 parts of strengthening material, 12 parts of single-layer graphene, 57 parts of nano silicon dioxide, 15 18 parts of 13 parts of nano-titanium dioxide, 46 parts of zinc stearate, 0.5 1 parts of sulphur and phenolic resin.The high temperature resistant anticracking clutch surface of the present invention, intensity is high, good toughness, stable friction factor, and jitter immunity can be good, and rotation bursting strength is high, has relatively stable frictional behaviour at high temperature, is not likely to produce decay, and be environmentally friendly product.The preparation process of the high temperature resistant anticracking clutch surface of the present invention, the optimization of preparation process has been carried out for distinctive component so that the fusion crosslinking of component is more abundant, and preparation process is environmentally protective.

Description

A kind of high temperature resistant anticracking clutch surface and its preparation process
Technical field
The present invention relates to car transmissions technical field more particularly to a kind of high temperature resistant anticracking clutch surface and its systems Standby technique.
Background technology
Clutch surface is a kind of macromolecule trielement composite material, mainly by high polymer binder (resin and rubber), increasing Strong material, friction filler three categories component and other compounding agents composition, through a series of product made of production and processings.Due to automobile Industry flourishes, and requirement to transmission system is also more stringent, so friction material will compliance requirements, on the one hand must The property indices that should reach when must meet vehicle transmission, on the other hand must satisfy it is safe to use, comfortable steady, to human body It is harmless, environmentally safe, also there is the effect of energy-saving consumption-reducing.
Application number CN1947990A discloses " a kind of wet type method for producing of clutch face sheet for cars ", due to impregnating Use a large amount of toluene or gasoline in rubber solutions system, the rate of charge of sizing material and solvent is 1:0.6-1.0, in preparation process A large amount of organic solvent has been used, larger pollution can have not only been caused to environment, but also production cost can be improved;Application number CN101285512A discloses " a kind of to use water soluble phenol resin as bonding agent ", with water as solvent make slurry prepare from The method of clutch dough sheet, since the adhesive strength of fiber and resin is relatively low, dry slurry is easy during processing and use It falls off from fiber surface.To solve the problems, such as that resin and fiber adhesive strength are too low, latex is added to increase again in preparation process The adhesive strength of strong resin, while also added anti-layering modifying agent to avoid Water-soluble phenolic resin solution from being layered, so not Production cost is only increased, while dosage of latex can excessively cause the heat resistance of product to reduce, water resistance declines, and produces Product will appear more serious heat fading phenomenon, reduced service life in use, and frictional behaviour changes, and generation is beaten It is sliding, to influence the safety of driving;Application number CN101792571A discloses " a kind of novel non-rubber winding clutch facing ", Use water soluble phenol resin for binding material, the clutch surface heat resisting temperature of preparation may be up to 350 DEG C or more, heat resistance It is good, but the difference of friction coefficient is larger, wears total amount wider range, friction stability and wearability are not fine.It is preparing In the process, compatibility of each component in mixed process is not fine, needs to increase temperature to help to be uniformly mixed, and product The adhesive property of middle resin and glass fabric is not highly desirable, and resin has from fiber surface to fall off on a small quantity.
These clutch disc often do not have relatively stable high temperature resistant anti crack performance, easy to produce decay, are used Material be chemical material mostly, damage ratio is more serious, complex process, and environmental suitability is poor.
Invention content
Place that the purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of high temperature resistant anticracking clutch surface, by force Degree is high, good toughness, stable friction factor, and jitter immunity can be good, and rotation bursting strength is high, has relatively stable friction at high temperature Performance is not likely to produce decay, and is environmentally friendly product.
The present invention also provides a kind of preparation processes of high temperature resistant anticracking clutch surface, are carried out for distinctive component The optimization of preparation process so that the fusion crosslinking of component is more abundant, and preparation process is environmentally protective.
A kind of high temperature resistant anticracking clutch surface, is made of the raw material of following parts by weight:2-4 parts of butadiene-styrene rubber, modified bamboo 0.3-0.6 parts of fiber, 0.3-0.6 parts of ceramic fibre, 5-7 parts of strengthening material, 1-2 parts of single-layer graphene, nano silicon dioxide 5-7 15-18 parts of part, 1-3 parts of nano-titanium dioxide, 4-6 parts of zinc stearate, 0.5-1 parts of sulphur and phenolic resin.
Preferably, it is made of the raw material of following parts by weight:4 parts of butadiene-styrene rubber, modified 0.6 part of bamboo fibre, ceramic fibre 0.6 Part, 5 parts of strengthening material, 2 parts of single-layer graphene, 7 parts of nano silicon dioxide, 1 part of nano-titanium dioxide, 6 parts of zinc stearate, sulphur 1 part and 18 parts of phenolic resin.
Preferably, the weight part ratio of the modified bamboo fibre and the ceramic fibre is 1:1.
Preferably, the modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
Preferably, the preparation process of the modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations 0.5 hour in the ethanol solution that volume fraction is 70% is added for 0.2 part in Lysimachia foenum-graecum Afterwards, it filters, after recycling ethanol solution, it is spare to obtain recovered liquid;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
Preferably, the preparation process of the strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
Preferably, EDTA in the step (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Mole Than being 3:1:1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the tristearin of the parts by weight Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of the parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing the parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing the parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
Preferably, hot-forming handle of three sections of heating described in the step (27) is specially:
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Preferably, the high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, 50 parts of 4 parts of carbon nanotube, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of the high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of the formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get the high temperature anti-oxidation coating.
The present invention is modified processing using Lysimachia foenum-graecum to bamboo fibre, abandons and completely uses chemical reagent in the prior art Defect, the certain plant component that will contain in Lysimachia foenum-graecum substance, for example fragrant organic principle is added to the system of clutch disc In standby technique, optimizes the process environments of preparation process, do not generate harm to health, it is environmentally protective, and there is certain fragrance, And the present invention is modified using bamboo fibre only, be because being relatively compared to other fibers, it is special ultra-fine inside bamboo fibre Microcellular structure makes it have powerful adsorption capacity, is better able to absorb the fragrant organic principle accommodated in Lysimachia foenum-graecum;At other Raw material added again after fully merging, can will the modified unique fragrance of bamboo fibre and unique plant component adequately with Other raw materials are merged, to further increase the overall performance of product.
Using graphene as synthesis material, graphene itself has good mechanicalness and thermal conductivity, is making the present invention Graphene is adequately mixed with other components in standby technique, so that graphene can adsorb various originals to the greatest extent Expect the atom and molecule of component.
The present invention adds the metal composite oxide strengthening material being prepared by burning and calcine technology, can increase Molecule contacts effective area is simultaneously effectively formed a large amount of contact bands, and the contact fusion between raw molecule provides more contacts Point so that the fusion of different material molecule more crypto set, reinforced structure body simultaneously improve toughness and cracking resistance.
The preparation process of the present invention, technical maturity is reasonable, fully takes into account being sufficiently mixed for various raw materials in component, nontoxic Side effect, the raw material of different type and type separate handles in batches, rather than will be after whole mixing of component blindness It is processed, mixing and roll-in can be such that various raw materials in technique fully merge repeatedly in preparation process of the invention, particle Refinement, distribution uniformity, the internal stress of material removal improve the S. E. A. between component, to continue machine-shaping;Three Duan Wendu processing can prevent increasing suddenly for temperature from being influenced on the mutation of molecular activity and formed product generation, obtain degree of segregation The clutch surface blade unit of the uniform fine microstructures of small, ingredient;One layer of high temperature anti-oxidation coating, Ke Yiyou are sprayed in film face Effect prevents film face from being aoxidized, and forms fine and close protective film, improves the surface quality of finished product, improve the whole mechanicalness of product Energy.
Specific implementation mode
Product, method and the application of the present invention has carried out face by preferred embodiment and has stated, the apparent energy of related personnel Or else it is detached from the content of present invention, in spirit and scope to method described herein and application is modified or suitably changes and group It closes, to realize and apply the present invention.
What needs to be explained here is that the graphene is single-layer graphene (purity:>99wt%, thickness:0.5-3.0nm, Lamella diameter:0.5-5um, specific surface area:1000-1217m2/ g), buy the carbon from Suzhou Tan Feng graphenes Science and Technology Ltd. Rich graphene, other described raw material can be bought from market, not do being described in detail one by one here, device therefor is in preparation process Existing equipment.
Embodiment 1
A kind of high temperature resistant anticracking clutch surface, is made of the raw material of following parts by weight:By the raw material system of following parts by weight At:4 parts of butadiene-styrene rubber, modified 0.6 part of bamboo fibre, 0.6 part of ceramic fibre, 5 parts of strengthening material, 2 parts of single-layer graphene, nanometer two 18 parts of 7 parts of silica, 1 part of nano-titanium dioxide, 6 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of modified bamboo fibre and ceramic fibre is 1:1.
Modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
The preparation process of modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethyl alcohol for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
The preparation process of strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
EDTA in step (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1:1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the tristearin of above-mentioned parts by weight Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing above-mentioned parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing above-mentioned parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
Hot-forming handle of three sections of heating is specially in step (27):
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of above-mentioned formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get above-mentioned high temperature anti-oxidation coating.
Embodiment 2
A kind of high temperature resistant anticracking clutch surface, is made of the raw material of following parts by weight:2 parts of butadiene-styrene rubber, modified bamboo are fine 0.6 part of dimension, 0.6 part of ceramic fibre, 5 parts of strengthening material, 1 part of single-layer graphene, 5 parts of nano silicon dioxide, nano-titanium dioxide 1 15 parts of part, 4 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of modified bamboo fibre and ceramic fibre is 1:1.
Modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
The preparation process of modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethyl alcohol for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
The preparation process of strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
EDTA in step (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1:1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Butadiene-styrene rubber, phenolic resin, nano silicon dioxide, the nano-titanium dioxide of above-mentioned parts by weight are weighed, it is stearic Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing above-mentioned parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing above-mentioned parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
Hot-forming handle of three sections of heating is specially in step (27):
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of above-mentioned formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get above-mentioned high temperature anti-oxidation coating.
Embodiment 3
A kind of high temperature resistant anticracking clutch surface, is made of the raw material of following parts by weight:3 parts of butadiene-styrene rubber, modified bamboo are fine 0.6 part of dimension, 0.6 part of ceramic fibre, 7 parts of strengthening material, 1 part of single-layer graphene, 5 parts of nano silicon dioxide, nano-titanium dioxide 3 16 parts of part, 5 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of modified bamboo fibre and ceramic fibre is 1:1.
Modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
The preparation process of modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethyl alcohol for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
The preparation process of strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
EDTA in step (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1:1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the tristearin of above-mentioned parts by weight Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing above-mentioned parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing above-mentioned parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
The hot-forming processing of three sections in above-mentioned steps (27) heating is specially:
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of above-mentioned formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get above-mentioned high temperature anti-oxidation coating.
Embodiment 4
A kind of high temperature resistant anticracking clutch surface, is made of the raw material of following parts by weight:4 parts of butadiene-styrene rubber, modified bamboo are fine 0.6 part of dimension, 0.6 part of ceramic fibre, 6 parts of strengthening material, 2 parts of single-layer graphene, 6 parts of nano silicon dioxide, nano-titanium dioxide 2 17 parts of part, 5 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of modified bamboo fibre and ceramic fibre is 1:1.
Modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
The preparation process of modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethyl alcohol for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
The preparation process of strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
EDTA in above-mentioned steps (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1: 1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Butadiene-styrene rubber, phenolic resin, nano silicon dioxide, the nano-titanium dioxide of above-mentioned parts by weight are weighed, it is stearic Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing above-mentioned parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing above-mentioned parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
The hot-forming processing of three sections in above-mentioned steps (27) heating is specially:
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of above-mentioned formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get above-mentioned high temperature anti-oxidation coating.
Embodiment 5
A kind of high temperature resistant anticracking clutch surface, is made of the raw material of following parts by weight:2.5 parts of butadiene-styrene rubber, modified bamboo 0.6 part of fiber, 0.6 part of ceramic fibre, 5 parts of strengthening material, 2 parts of single-layer graphene, 6 parts of nano silicon dioxide, nanometer titanium dioxide 15 parts of 3 parts of titanium, 5 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of modified bamboo fibre and ceramic fibre is 1:1.
Modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
The preparation process of modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethyl alcohol for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
The preparation process of strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
EDTA in above-mentioned steps (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1: 1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the tristearin of above-mentioned parts by weight Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing above-mentioned parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing above-mentioned parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
The hot-forming processing of three sections described in above-mentioned steps (27) heating is specially:
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of the formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get above-mentioned high temperature anti-oxidation coating.
Comparative example 1
Comparative example 1 is substantially the same manner as Example 1, the difference is that:The material composition of high temperature resistant anticracking clutch surface It is adjusted with technique, i.e., removes strengthening material in composition of raw materials, i.e., a kind of high temperature resistant anticracking clutch surface, by following weight The raw material of part is made:4 parts of butadiene-styrene rubber, modified 0.6 part of bamboo fibre, 0.6 part of ceramic fibre, 2 parts of single-layer graphene, nano-silica 18 parts of 7 parts of SiClx, 1 part of nano-titanium dioxide, 6 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of modified bamboo fibre and ceramic fibre is 1:1.
Modified bamboo fibre is made of the raw material of following parts by weight:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
The preparation process of modified bamboo fibre is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethyl alcohol for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, is impregnated After 2 hours are dried under 60 DEG C of vacuum to get modified bamboo fibre.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the tristearin of above-mentioned parts by weight Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing above-mentioned parts by weight are added to first obtained by step (22) In roll-in product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):In second mixing product obtained by step (23), roll-in 5 minutes, obtain the second roll-in product again;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
The hot-forming processing of three sections described in above-mentioned steps (27) heating is specially:
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of above-mentioned formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get the high temperature anti-oxidation coating.
Comparative example 2
Comparative example 2 is substantially the same manner as Example 1, the difference is that:Bamboo fibre is not in high temperature resistant anticracking clutch surface It is directly used by handling, i.e., a kind of high temperature resistant anticracking clutch surface is made of the raw material of following parts by weight:Butadiene-styrene rubber 4 Part, 0.6 part of bamboo fibre, 0.6 part of ceramic fibre, 5 parts of strengthening material, 2 parts of single-layer graphene, 7 parts of nano silicon dioxide, nanometer two 18 parts of 1 part of titanium oxide, 6 parts of zinc stearate, 1 part of sulphur and phenolic resin.
The weight part ratio of bamboo fibre and ceramic fibre is 1:1.
The preparation process of strengthening material is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water In, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonia is added dropwise while stirring Water, adjusting pH value are 7.0-7.5, are subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel is immersed in volume point Number is 10 seconds in 99% ethanol solution, then takes out xerogel and lights xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, Rankine is prepared Material.
EDTA in above-mentioned steps (11):Metal ion Al3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1: 1:1.
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the tristearin of above-mentioned parts by weight Sour zinc is blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of above-mentioned parts by weight, roller Pressure obtains the first roll-in product after ten minutes;
(23):The bamboo fibre, sulphur and ceramic fibre for weighing above-mentioned parts by weight are added to the first roll-in obtained by step (22) In product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing above-mentioned parts by weight is added in the second mixing product obtained by step (23), again roller Pressure 5 minutes, obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, is applied Layer thickness >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, high temperature resistant anticracking is made using grinding, drill process post-processing Clutch surface finished product.
Hot-forming handle of three sections of heating is specially in above-mentioned steps (27):
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating speed Rate is warming up to 100 DEG C, keeps the temperature 3 minutes;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, in the condition that hot pressing pressure is 18Mpa Under, 180 DEG C are continuously heating to 20 DEG C/min of heating rate, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, in the condition that hot pressing pressure is 18Mpa Under, 100 DEG C are cooled to, keeps the temperature 3 minutes;
Wait for soaking zone heat preservation after using grinding, drill process post-processing be made high temperature resistant anticracking clutch surface at Product.
Above-mentioned high temperature anti-oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, carbon nanotube 50 parts of 4 parts, 5 parts of talcum powder, 9 parts of glass fibre, 1 part of sepiolite and water;
The preparation method of above-mentioned high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of above-mentioned formula rate, carbon nanometer It is 20-60nm to be milled to grain size after pipe, talcum powder, glass fibre and sepiolite mixing;Then it is mixed with water, it is high under 3000rpm Speed disperses 2 hours to get the high temperature anti-oxidation coating.
Comparative example 3
Comparative example 3 is substantially the same manner as Example 1, and composition of raw materials ratio and parts by weight are identical with embodiment 1, difference It is in as follows in the preparation process for adjusting high temperature resistant anticracking clutch surface:
A kind of preparation process of high temperature resistant anticracking clutch surface, comprises the steps of:
(21):Weigh butadiene-styrene rubber, phenolic resin, sulphur, nano silicon dioxide, the nanometer titanium dioxide of certain part by weight Titanium, zinc stearate, single-layer graphene, modified bamboo fibre, the mixing under temperature 70 C of ceramic fibre and strengthening material mix 10 points Clock obtains mixing product;
(22):By mixing product roll-in 3 hours obtained by step (21), roll-in product is obtained;
(23):Film is made through mill in roll-in product obtained by step (22);
(24):By film obtained by step (23), it is cooled to room temperature;
(25):The film that step (24) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after hot-forming processing, high temperature resistant anticracking clutch surface is made using grinding, drill process post-processing Finished product.
Now by high temperature resistant anticracking clutch surface made from embodiment 1-5 and comparative example 1-3 and similar commercially available clutch surface Piece quantitative measurement parameter is listed in table 1 (according to standard GB/T5764-2011):
Table 1 is that the major parameter of high temperature resistant anticracking clutch surface compares
From table 1 it follows that lack strengthening material in comparative example 1, and compared with embodiment 1-5, gained high temperature resistant anticracking Clutch surface comprehensive performance is nothing like embodiment 1-5 products obtained therefroms;The bamboo fibre of comparative example 2 directly makes without processing With, compared with embodiment 1-5, gained high temperature resistant anticracking clutch surface comprehensive performance is nothing like embodiment 1-5 products obtained therefroms, And obviously do not have fragrance;Comparative example 3 is in the preparation process for adjusting high temperature resistant anticracking clutch surface, compared with embodiment 1-5, The comprehensive performance of gained high temperature resistant anticracking clutch surface is nothing like embodiment 1-5 products obtained therefroms.
In conclusion the high temperature resistant anticracking clutch surface of the present invention, intensity is high, good toughness, stable friction factor, anti-to tremble Dynamic performance is good, and rotation bursting strength is high, has relatively stable frictional behaviour at high temperature, is not likely to produce decay, Er Qieshi Environmentally friendly product.
The explanation of above example is only intended to facilitate the understanding of the method and its core concept of the invention.It should be pointed out that pair For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out Some improvements and modifications, these improvement and modification are also fallen within the protection scope of the claims of the present invention.

Claims (10)

1. a kind of high temperature resistant anticracking clutch surface, which is characterized in that be made of the raw material of following parts by weight:Butadiene-styrene rubber 2-4 Part, modified 0.3-0.6 parts of bamboo fibre, 0.3-0.6 parts of ceramic fibre, 5-7 parts of strengthening material, 1-2 parts of single-layer graphene, nanometer two 15-18 parts of 5-7 parts of silica, 1-3 parts of nano-titanium dioxide, 4-6 parts of zinc stearate, 0.5-1 parts of sulphur and phenolic resin.
2. high temperature resistant anticracking clutch surface as described in claim 1, which is characterized in that by the raw material system of following parts by weight At:4 parts of butadiene-styrene rubber, modified 0.6 part of bamboo fibre, 0.6 part of ceramic fibre, 5 parts of strengthening material, 2 parts of single-layer graphene, nanometer two 18 parts of 7 parts of silica, 1 part of nano-titanium dioxide, 6 parts of zinc stearate, 1 part of sulphur and phenolic resin.
3. high temperature resistant anticracking clutch surface as described in claim 1, which is characterized in that the modified bamboo fibre and the pottery The weight part ratio of porcelain fiber is 1:1.
4. high temperature resistant anticracking clutch surface as described in claim 1, which is characterized in that the modified bamboo fibre is by following heavy The raw material of amount part is made:0.4 part of 0.2 part of Lysimachia foenum-graecum and bamboo fibre.
5. high temperature resistant anticracking clutch surface as claimed in claim 4, which is characterized in that the preparation work of the modified bamboo fibre Skill is as follows:
(1):20kHz ultrasonic agitations are after 0.5 hour in the ethanol solution for being 70% by 0.2 part of addition volume fraction of Lysimachia foenum-graecum, mistake It is spare to obtain recovered liquid after recycling ethanol solution for filter;
(2):It will be impregnated 2 hours in recovered liquid obtained by 0.4 part of addition step (1) of bamboo fibre, soaking temperature is 30 DEG C, and immersion terminates 2 hours are dried under 60 DEG C of vacuum afterwards to get modified bamboo fibre.
6. high temperature resistant anticracking clutch surface as described in claim 1, which is characterized in that the preparation process of the strengthening material It is as follows:
(11):By Al (NO3)3·9H2O、Mg(NO3)2·6H2O、Cu(NO3)2·3H2O and EDTA are dissolved in deionized water, Al (NO3)3·9H2O、Mg(NO3)2·6H2O and Cu (NO3)2·3H2The molar ratio of O is 1:1:1, ammonium hydroxide is added dropwise while stirring, adjusts PH value is 7.0-7.5, is subsequently placed in 90 DEG C of stirring in water bath reaction 5h, gel is prepared;
(12):After gel prepared by step (11) is dried to xerogel at 150 DEG C, xerogel, which is immersed in volume fraction, is 10 seconds in 99% ethanol solution, then takes out xerogel and light xerogel, black powder is prepared;
(13):By the black powder prepared in step (12) in 850 DEG C of temperature lower calcination 8h, that is, strengthening material is prepared.
7. high temperature resistant anticracking clutch surface as claimed in claim 6, which is characterized in that EDTA in the step (11):Gold Belong to ion A l3+:Metal ions M g2+:Metal ion Cu2+Molar ratio be 3:1:1:1.
8. a kind of preparation process of high temperature resistant anticracking clutch surface as described in claim 1, which is characterized in that comprising following Step:
(21):Weigh butadiene-styrene rubber, phenolic resin, nano silicon dioxide, nano-titanium dioxide, the zinc stearate of the parts by weight Be blended, at 75 DEG C of temperature mixing mix 20 minutes to obtain the first mixing product;
(22):In first mixing product made from weighing in the single-layer graphene addition step (21) of the parts by weight, roll-in 10 The first roll-in product is obtained after minute;
(23):Modification bamboo fibre, sulphur and the ceramic fibre for weighing the parts by weight are added to the first roll-in obtained by step (22) In product, under temperature 70 C mixing mix 10 minutes the second mixing product;
(24):The strengthening material for weighing the parts by weight is added in the second mixing product obtained by step (23), and roll-in 5 again divides Clock obtains the second roll-in product;
(25):Film is made through mill in second roll-in product obtained by step (24);
(26):High temperature anti-oxidation coating is sprayed to and obtains modified film on film obtained by step (25), is cooled to room temperature, thickness is applied Degree >=0.2mm;
(27):The modified film that step (26) is cooled to room temperature to gained cuts glue, then by hot pressing, is in hot pressing pressure Under conditions of 18Mpa after three sections of hot-forming processing of heating, it is anti-that high temperature resistant is made using grinding, drill process post-processing Split clutch surface finished product.
9. the preparation process of high temperature resistant anticracking clutch surface as claimed in claim 8, which is characterized in that the step (27) Described in three sections heating it is hot-forming processing be specially:
First segment heating is hot-forming:Preheating section:Under conditions of hot pressing pressure is 18Mpa, 20 DEG C/min of heating rate liter Temperature is protected 3 minutes to 100 DEG C;
Second segment heating is hot-forming:Bringing-up section:After waiting for preheating section heat preservation, under conditions of hot pressing pressure is 18Mpa, with 20 DEG C/min of heating rate is continuously heating to 180 DEG C, keeps the temperature 4 minutes;
The heating of third section is hot-forming:Soaking zone:After hot arc heat preservation to be added, under conditions of hot pressing pressure is 18Mpa, drop Temperature keeps the temperature 3 minutes to 100 DEG C;
Wait for soaking zone heat preservation after using grinding, drill process post-processing high temperature resistant anticracking clutch surface finished product is made.
10. the preparation process of high temperature resistant anticracking clutch surface as claimed in claim 8, which is characterized in that the high temperature is anti- Oxidation coating is made of the raw material of following parts by weight:18 parts of bisphenol A type epoxy resin, 4 parts of carbon nanotube, 5 parts of talcum powder, glass 50 parts of 9 parts of fiber, 1 part of sepiolite and water;
The preparation method of the high temperature anti-oxidation coating is:By the bisphenol A type epoxy resin of the formula rate, carbon nanotube, It is 20-60nm to be milled to grain size after talcum powder, glass fibre and sepiolite mixing;Then it mixes with water, divides at a high speed under 3000rpm 2 hours are dissipated to get the high temperature anti-oxidation coating.
CN201810444659.4A 2018-05-10 2018-05-10 A kind of high temperature resistant anticracking clutch surface and its preparation process Pending CN108587051A (en)

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CN112032229A (en) * 2020-09-14 2020-12-04 来安县隆华摩擦材料有限公司 High-temperature-resistant nano calcium carbonate automobile clutch friction plate and production method thereof
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