CN110358200A - A kind of diaphragm material and preparation method thereof applied to electric brake system endurance service life length - Google Patents
A kind of diaphragm material and preparation method thereof applied to electric brake system endurance service life length Download PDFInfo
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- CN110358200A CN110358200A CN201910665503.3A CN201910665503A CN110358200A CN 110358200 A CN110358200 A CN 110358200A CN 201910665503 A CN201910665503 A CN 201910665503A CN 110358200 A CN110358200 A CN 110358200A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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
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- C08K2201/006—Additives being defined by their surface area
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- 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
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- C08K3/02—Elements
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- 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
- C08K9/00—Use of pretreated ingredients
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Abstract
The invention discloses a kind of diaphragm materials long applied to the electric brake system endurance service life and preparation method thereof, the material includes the raw material of following mass parts: ethylene propylene diene rubber 70-90, bibasic ethylene propylene rubber 10-30, filler 30-40, auxiliary agent 3-6, plasticizer 8-10, vulcanizing agent 6-8, wherein ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 46.9-51.1%, bibasic ethylene propylene rubber is controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 52.9-57.1%.Diaphragm material prepared by the present invention has excellent stretch-proof fatigue behaviour and high temperature fatigue performance, is suitably applied worst hot case and applies in the braking system of stress between rigid body needing largely to move back and forth and overcome.
Description
Technical field
The present invention relates to technical field of composite materials, more particularly to one kind are long applied to the electric brake system endurance service life
Diaphragm material and preparation method thereof.
Background technique
Rubber diaphragm is the core part in automotive brake component, plays a part of to transmit pressure.Work shape is in diaphragm
When state, due to not only needing to move back and forth, but also needs to overcome the stress generated between the metal rigidity body assembled with it, be easy to happen
Fatigue aging, final fracture failure, has severely impacted its service life.The common used material of rubber diaphragm is mainly EPDM
Rubber, with outstanding chemical stability, but the limit high temperature of its stretch-proof fatigue behaviour and 170 DEG C or more is resistance to tired
Labor performance is obviously insufficient.Currently, common endurance ethylene propylene diene monomer (EPDM) material primarily focuses on its endurance of raising in the market
Polishing machine is not suitable for being applied to using at high temperature, and need largely move back and forth and overcome with rigid body it
Between stress braking system diaphragm material.
Summary of the invention
Technical problems based on background technology, the invention proposes one kind to be applied to the electric brake system endurance longevity
Long diaphragm material and preparation method thereof is ordered, the diaphragm material of preparation has excellent stretch-proof fatigue behaviour, is suitble to needing
It largely moves back and forth and overcomes and applied in the braking system of stress between rigid body.
A kind of diaphragm material long applied to the electric brake system endurance service life, which is characterized in that including following quality
The raw material of part:
Ethylene propylene diene rubber 70-90, bibasic ethylene propylene rubber 10-30, filler 30-40, auxiliary agent 3-6, plasticizer 8-10, vulcanization
Agent 6-8；The ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 46.9-51.1%；Described two
First EP rubbers is controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 52.9-57.1%.
Preferably, the filler is carbon black or modified carbon black, and the modified carbon black passes through silane coupling agent KH- by carbon black
550, the double stearate surface coating modifications of cetyl trimethylammonium bromide, triethanolamine obtain, it is preferable that the carbon black
Specific surface area is 39-43m2/g。
Preferably, the modified carbon black the preparation method is as follows: by silane resin acceptor kh-550, cetyl trimethyl bromine
Change the double stearates of ammonium, triethanolamine to be dissolved in dehydrated alcohol, carbon black is added, in 70-80 DEG C of stirring 60- after ultrasonic disperse is uniform
Then 70min is filtered, dry, is ground to get modified carbon black, the silane resin acceptor kh-550, cetyl trimethyl bromination
The mass ratio of ammonium, triethanolamine double stearates, carbon black and dehydrated alcohol is (0.5-1): (0.3-0.5): (0.2-0.3):
(20-30): 100.
Preferably, the auxiliary agent includes reinforcing agent, protection wax and anti-aging agent, it is preferable that the reinforcing agent, protection wax and anti-
The mass ratio of old agent is (1-3): (1-1.5): (1-1.5).
Preferably, the reinforcing agent is methacrylate, it is highly preferred that the reinforcing agent is zinc methacrylate.
Preferably, the protection wax be polyethylene wax, polytetrafluoroethylwax wax, in chlorinated paraffin any one or it is several
Mixing, the anti-aging agent be 6- ethyoxyl -2,2,4- trimethyl -1,2- dihyaroquinoline, N- phenyl-α-naphthylamine, N- phenyl -
Beta-naphthylamine, N- phenyl-N'- cyclohexyl p-phenylenediamine, in N- phenyl-N'- isopropyl p-phenylenediamine any one or it is several
Mixing.
Preferably, the plasticizer is naphthenic base plasticizer.
Preferably, the vulcanizing agent is peroxide vulcanizing agent.
A kind of preparation method of the diaphragm material long applied to the electric brake system endurance service life, includes the following steps:
Various materials are first weighed, ethylene propylene diene rubber, bibasic ethylene propylene rubber and auxiliary agent are added in mixer and are kneaded 20-30 seconds, then
Filler and plasticizer is added, is warming up to 135-145 DEG C, then dumping, one section of obtained glue is cooled down, it then will be after cooling
One section of glue and vulcanizing agent be added in mixer and be kneaded in 100-110 DEG C, dumping, it is cooling after obtain being applied to electric brake system
The diaphragm material of endurance service life length.
Beneficial effects of the present invention are as follows:
The present invention chooses the controllable long chain branching ethylene propylene diene rubber and bibasic ethylene propylene rubber of suitable ethylene contents, by suitable
Ratio is compounded, wherein ethylene propylene diene rubber provides higher vulcanization interlinkage rate, guarantees the production of product vulcanization process
The tensile property of efficiency and product；Bibasic ethylene propylene rubber resists hot oxygen attack since entire molecule segment does not have unsaturated bond
Ability is very high, improves mechanical performance and fatigue resistance under product limit hot environment.The third rubber of EPDM and binary second
Glue is used in combination, by and with ratio rational design, make the C-C generated in sulfidation interlink key moderate number, that is, ensure that
Production efficiency, and avoid remaining unsaturated bond excessively and influence heat-resisting quantity and the endurance service life of product, then be aided with proper ratio
Filler, auxiliary agent, plasticizer and vulcanizing agent, the material made have excellent high temperature resistant fatigue and stretch-proof fatigue behaviour,
It is suitably applied worst hot case and needs largely to move back and forth and overcome the operating condition of the stress between rigid body.
The present invention is by advanced optimizing formula, selection naphthenic base plasticizer, remaining aromatic hydrocarbons or few in naphthene base crude oil
Amount heteroatom is conducive to improve the crosslinking degree of sizing material, also contains sulphur atom in naphthene base crude oil, can play vulcanization accelerator
Effect, be used in conjunction with peroxide vulcanizing agent, can be improved the state of cure (vulcanization) of sizing material, and then improve the mechanicalness of sizing material
Energy.Methacrylate can improve the thermal-oxidative aging property of rubber material.It, can be significantly by being used in compounding for above-mentioned raw materials
The cross-linking properties for improving paste system, inhibits the generation and growth of crackle, and can improve the high temperature resistant fatigue behaviour of sizing material, thus
Improve stretch-proof and the high temperature resistant fatigue life of material.
The present invention also utilizes the double stearates of silane resin acceptor kh-550, cetyl trimethylammonium bromide, triethanolamine
As compound modifier, surface coating modification is carried out to carbon black in dehydrated alcohol system, obtains modified carbon black.Wherein, silane
The double stearates of coupling agent KH-550, cetyl trimethylammonium bromide, triethanolamine are adsorbed on carbon blacksurface jointly, can be in charcoal
Black surface introduces the long-chain of multiple and different properties, and space steric effect is collectively formed by the complementation between long-chain, prevents carbon black
Particle is reunited in sizing material, improves the dispersibility and stability of carbon black；Silane resin acceptor kh-550, cetyl front three
Base ammonium bromide compounding, can improve the compatibility of carbon black pellet and rubber, improve the binding force of carbon black and rubber.Pass through above-mentioned association
Same-action expands the interfacial interaction of carbon black and rubber, increases the carbon black combination glue content in sizing material, to effectively support
The growth of anti-crack further increases the stretch-proof fatigue behaviour of sizing material.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of diaphragm material long applied to the electric brake system endurance service life, the raw material including following mass parts: three
First EP rubbers 70, bibasic ethylene propylene rubber 10, filler 30, auxiliary agent 3, plasticizer 8, vulcanizing agent 6；The ethylene propylene diene rubber is can
Control long chain branching ethylene propylene diene rubber, ethylene contents 46.9%；The bibasic ethylene propylene rubber is controllable long chain branching binary second
Third rubber, ethylene contents 52.9%.
Embodiment 2
A kind of diaphragm material long applied to the electric brake system endurance service life, the raw material including following mass parts: three
First EP rubbers 90, bibasic ethylene propylene rubber 10, filler 30, auxiliary agent 5, plasticizer 10, vulcanizing agent 8.
Ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 46.9%；Bibasic ethylene propylene rubber
For controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 52.9%；Filler is that specific surface area is 39m2The carbon black of/g；Auxiliary agent
Including reinforcing agent, protection wax and anti-aging agent, the mass ratio of reinforcing agent, protection wax and anti-aging agent is 1:1:1；Reinforcing agent is methyl-prop
Olefin(e) acid zinc, protection wax are polyethylene wax, and anti-aging agent is 6- ethyoxyl -2,2,4- trimethyl -1,2- dihyaroquinoline, and plasticizer is
Naphthene base crude oil, vulcanizing agent are vulcanizing agent DCP.
Various materials are first weighed, ethylene propylene diene rubber, bibasic ethylene propylene rubber and auxiliary agent are added in mixer and are kneaded 20 seconds,
Then filler and plasticizer is added, is warming up to 135 DEG C, then dumping, one section of obtained glue is cooled down, it then will be after cooling
One section of glue and vulcanizing agent be added in mixer and be kneaded in 100 DEG C, dumping, it is cooling after obtain being applied to electric brake system it is resistance to tired
The diaphragm material of labor service life length.
Embodiment 3
A kind of diaphragm material long applied to the electric brake system endurance service life, the raw material including following mass parts: three
First EP rubbers 80, bibasic ethylene propylene rubber 20, filler 35, auxiliary agent 5, plasticizer 9, vulcanizing agent 7.
Ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 48%；Bibasic ethylene propylene rubber is
Controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 54%；Filler is that specific surface area is 41m2The carbon black of/g；Auxiliary agent includes
Reinforcing agent, protection wax and anti-aging agent, the mass ratio of reinforcing agent, protection wax and anti-aging agent are 1:1:1；Reinforcing agent is methacrylic acid
Zinc, protection wax are polyethylene wax, and anti-aging agent is 6- ethyoxyl -2,2, and 4- trimethyl -1,2- dihyaroquinoline, plasticizer is cycloalkanes
Base oil, vulcanizing agent are vulcanizing agent DCP.
Various materials are first weighed, ethylene propylene diene rubber, bibasic ethylene propylene rubber and auxiliary agent are added in mixer and are kneaded 25 seconds,
Then filler and plasticizer is added, is warming up to 140 DEG C, then dumping, one section of obtained glue is cooled down, it then will be after cooling
One section of glue and vulcanizing agent be added in mixer and be kneaded in 105 DEG C, dumping, it is cooling after obtain being applied to electric brake system it is resistance to tired
The diaphragm material of labor service life length.
Embodiment 4
A kind of diaphragm material long applied to the electric brake system endurance service life, the raw material including following mass parts: three
First EP rubbers 70, bibasic ethylene propylene rubber 30, filler 40, auxiliary agent 5, plasticizer 8, vulcanizing agent 6.5.
Ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 51.1%；Bibasic ethylene propylene rubber
For controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 57.1%；Filler is that specific surface area is 43m2The carbon black of/g；Auxiliary agent
Including reinforcing agent, protection wax and anti-aging agent, the mass ratio of reinforcing agent, protection wax and anti-aging agent is 3:1.5:1.5；Reinforcing agent is first
Base zinc acrylate resin, protection wax are polyethylene wax, and anti-aging agent is 6- ethyoxyl -2,2,4- trimethyl -1,2- dihyaroquinoline, plasticising
Agent is naphthene base crude oil, and vulcanizing agent is vulcanizing agent DCP.
Various materials are first weighed, ethylene propylene diene rubber, bibasic ethylene propylene rubber and auxiliary agent are added in mixer and are kneaded 30 seconds,
Then filler and plasticizer is added, is warming up to 145 DEG C, then dumping, one section of obtained glue is cooled down, it then will be after cooling
One section of glue and vulcanizing agent be added in mixer and be kneaded in 110 DEG C, dumping, it is cooling after obtain being applied to electric brake system it is resistance to tired
The diaphragm material of labor service life length.
Embodiment 5
The present embodiment only changes filler on the basis of embodiment 2, specific as follows:
A kind of diaphragm material long applied to the electric brake system endurance service life, the raw material including following mass parts: three
First EP rubbers 90, bibasic ethylene propylene rubber 10, filler 30, auxiliary agent 5, plasticizer 10, vulcanizing agent 8.
Ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 46.9%；Bibasic ethylene propylene rubber
For controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 52.9%；Filler is modified carbon black；Auxiliary agent includes reinforcing agent, prevents
Wax and anti-aging agent are protected, the mass ratio of reinforcing agent, protection wax and anti-aging agent is 1:1:1；Reinforcing agent is zinc methacrylate, protection wax
For polyethylene wax, anti-aging agent is 6- ethyoxyl -2,2, and 4- trimethyl -1,2- dihyaroquinoline, plasticizer is naphthene base crude oil, vulcanization
Agent is vulcanizing agent DCP.
Modified carbon black the preparation method is as follows: by silane resin acceptor kh-550, cetyl trimethylammonium bromide, three ethyl alcohol
The double stearates of amine are dissolved in dehydrated alcohol, and addition specific surface area is 39m2The carbon black of/g stirs after ultrasonic disperse is uniform at 70 DEG C
60min is mixed, is then filtered, it is dry, it grinds to get modified carbon black, the silane resin acceptor kh-550, cetyl trimethyl bromine
The mass ratio for changing ammonium, triethanolamine double stearates, carbon black and dehydrated alcohol is 0.5:0.3:0.2:20:100.
Various materials are first weighed, ethylene propylene diene rubber, bibasic ethylene propylene rubber and auxiliary agent are added in mixer and are kneaded 20 seconds,
Then filler and plasticizer is added, is warming up to 135 DEG C, then dumping, one section of obtained glue is cooled down, it then will be after cooling
One section of glue and vulcanizing agent be added in mixer and be kneaded in 100 DEG C, dumping, it is cooling after obtain being applied to electric brake system it is resistance to tired
The diaphragm material of labor service life length.
Wherein, the ethylene propylene diene rubber that above-described embodiment uses is Exxon Mobil V785 ethylene propylene diene rubber, binary second
Third rubber is the new K6950 bibasic ethylene propylene rubber of Alang, and carbon black is Shanghai Cabot N550 carbon black, naphthene base crude oil sunpar
2280 paraffin oils, remaining raw material are commercially available.
Diaphragm material made from embodiment 2-5 is tested for the property, test result is shown in Table 1:
1 the performance test results of table
| Detection project | Testing standard | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Hardness (IRHD) | ISO48-4-2018 | 61.2 | 62.3 | 62.4 | 61.0 |
| Tensile strength (MPa) | ISO37-2005 | 18.9 | 18.1 | 17.6 | 19.7 |
| Elongation at break (%) | ISO 37-2005 | 632 | 655 | 687 | 621 |
| Tearing strength (MPa) | ISO 34-1:2015 | 6.8 | 7.9 | 8.6 | 7.4 |
| Tensile fatigue (ten thousand times) | ISO 6943:2007 | 103 | 125 | 156 | 128 |
As shown in Table 1, diaphragm material produced by the present invention has excellent stretch-proof fatigue behaviour.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of diaphragm material long applied to the electric brake system endurance service life, which is characterized in that including following mass parts
Raw material:
Ethylene propylene diene rubber 70-90, bibasic ethylene propylene rubber 10-30, filler 30-40, auxiliary agent 3-6, plasticizer 8-10, vulcanizing agent 6-
8；
The ethylene propylene diene rubber is controllable long chain branching ethylene propylene diene rubber, ethylene contents 46.9-51.1%；The binary
EP rubbers is controllable long chain branching bibasic ethylene propylene rubber, ethylene contents 52.9-57.1%.
2. a kind of diaphragm material long applied to the electric brake system endurance service life according to claim 1, feature
It is, the filler is carbon black or modified carbon black, and the modified carbon black passes through silane resin acceptor kh-550, hexadecane by carbon black
The double stearate surface coating modifications of base trimethylammonium bromide, triethanolamine obtain.
3. a kind of diaphragm material long applied to the electric brake system endurance service life according to claim 2, feature
Be, the modified carbon black the preparation method is as follows: by silane resin acceptor kh-550, cetyl trimethylammonium bromide, three second
The double stearates of hydramine are dissolved in dehydrated alcohol, carbon black are added, in 70-80 DEG C of stirring 60-70min after ultrasonic disperse is uniform, so
After filter, it is dry, grind to get modified carbon black, the silane resin acceptor kh-550, cetyl trimethylammonium bromide, three second
The mass ratio of hydramine double stearates, carbon black and dehydrated alcohol is (0.5-1): (0.3-0.5): (0.2-0.3): (20-30):
100。
4. a kind of diaphragm material long applied to the electric brake system endurance service life according to claim 2 or 3, special
Sign is that the specific surface area of the carbon black is 39-43 ㎡/g.
5. a kind of film sheet long applied to the electric brake system endurance service life described in any one of -4 according to claim 1
Material, which is characterized in that the auxiliary agent includes reinforcing agent, protection wax and anti-aging agent, it is preferable that the reinforcing agent is methacrylic acid
Salt.
6. a kind of diaphragm material long applied to the electric brake system endurance service life according to claim 5, feature
It is, the mass ratio of the reinforcing agent, protection wax and anti-aging agent is (1-3): (1-1.5): (1-1.5).
7. a kind of film sheet long applied to the electric brake system endurance service life according to claim 1 to 6
Material, which is characterized in that the plasticizer is naphthenic base plasticizer.
8. a kind of film sheet long applied to the electric brake system endurance service life described in any one of -7 according to claim 1
Material, which is characterized in that the vulcanizing agent is peroxide vulcanizing agent.
9. a kind of film sheet long applied to the electric brake system endurance service life according to claim 1 to 8
The preparation method of material, which is characterized in that include the following steps: first to weigh various materials, by ethylene propylene diene rubber, the third rubber of binary second
Glue and auxiliary agent, which are added in mixer, to be kneaded 20-30 seconds, and filler and plasticizer is then added, is warming up to 135-145 DEG C, then arranges
Glue cools down one section of obtained glue, and then one section of glue after cooling and vulcanizing agent are added in mixer in 100-110 DEG C
It is kneaded, the diaphragm material for being applied to electric brake system endurance service life length is obtained after dumping, cooling.
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| CN201910665503.3A CN110358200A (en) | 2019-07-23 | 2019-07-23 | A kind of diaphragm material and preparation method thereof applied to electric brake system endurance service life length |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910665503.3A CN110358200A (en) | 2019-07-23 | 2019-07-23 | A kind of diaphragm material and preparation method thereof applied to electric brake system endurance service life length |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050148724A1 (en) * | 2003-12-22 | 2005-07-07 | Polimeri Europa S.P.A. | Elastomeric blends based on carbon black |
| CN103319792A (en) * | 2013-06-07 | 2013-09-25 | 深圳市科聚新材料有限公司 | Ethylene propylene diene monomer (EPDM) composite material and preparation method thereof |
| CN103834113A (en) * | 2014-03-26 | 2014-06-04 | 山东东都新材料科技有限公司 | Formula of EPDM (ethylene propylene diene monomer) material applied to dynamic-fatigue-resistant products and preparation method of EPDM material |
| CN104513433A (en) * | 2014-12-17 | 2015-04-15 | 建新赵氏集团有限公司 | Preparation method of high-temperature-resistant and anti-fatigue modified ethylene propylene diene monomer rubber |
-
2019
- 2019-07-23 CN CN201910665503.3A patent/CN110358200A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050148724A1 (en) * | 2003-12-22 | 2005-07-07 | Polimeri Europa S.P.A. | Elastomeric blends based on carbon black |
| CN103319792A (en) * | 2013-06-07 | 2013-09-25 | 深圳市科聚新材料有限公司 | Ethylene propylene diene monomer (EPDM) composite material and preparation method thereof |
| CN103834113A (en) * | 2014-03-26 | 2014-06-04 | 山东东都新材料科技有限公司 | Formula of EPDM (ethylene propylene diene monomer) material applied to dynamic-fatigue-resistant products and preparation method of EPDM material |
| CN104513433A (en) * | 2014-12-17 | 2015-04-15 | 建新赵氏集团有限公司 | Preparation method of high-temperature-resistant and anti-fatigue modified ethylene propylene diene monomer rubber |
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Application publication date: 20191022 |
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| RJ01 | Rejection of invention patent application after publication |