CN107189287A - A kind of seal specific rubber alloy elastic body and preparation method thereof - Google Patents
A kind of seal specific rubber alloy elastic body and preparation method thereof Download PDFInfo
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- CN107189287A CN107189287A CN201710456333.9A CN201710456333A CN107189287A CN 107189287 A CN107189287 A CN 107189287A CN 201710456333 A CN201710456333 A CN 201710456333A CN 107189287 A CN107189287 A CN 107189287A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
- C08K2003/3018—Sulfides of magnesium, calcium, strontium or barium
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of seal specific rubber alloy elastic body and preparation method thereof, the raw material of the specific rubber alloy elastic body includes by weight：40~60 parts of crude fluororubber, 5~20 parts of hydrogenated nitrile-butadiene rubber rubber, 5.01~50 parts of packing strengthening agent, poly- 0.3~2 part of perfluor isopropyl ether oil, 1~3 part of zinc oxide, 0.6~1.4 part of organic peroxide, 0.5~2.5 part of Triallyl isocyanurate, 0.5~1 part of lubricant.In preparation process, using the preparation of synthetic rubber, the shaping of rubber and vulcanization, post processing and inspection technique, obtained seal specific rubber alloy elastic body has the advantages that excellent high and low temperature resistance, low pressure change, resistance to fuel oil, resistance to machine oil, acid and alkali-resistance, resistance to mixed oil and gas and service life are long.
Description
Technical field
The present invention relates to technical field of rubber material, more particularly to a kind of seal with specific rubber alloy elastic body and its
Preparation method.
Background technology
Engine is automobile " heart " core component, and the quality of its performance directly influences the usability of automobile
Energy, life-span and personal safety etc..And the sealing of engine system is the premise for ensureing normal working of engine, so engine system
The Sealing Technology of system is even more important.In order to solve its sealing problem, it is necessary to install rubber between engine cylinder-body and counterpart
Seal, screen resilience is produced after being compressed by the rubber seal, and necessarily in sealing contact is produced in required sealing area
Pressure, so as to prevent cylinder interior liquid or gas to leak out, shakes while also having cut down cylinder body in engine operation process
The dynamic noise between counterpart.
Engine operating temperature is high, and working environment is complicated, and selected materials must simultaneously have high temperature resistant, resistance to fuel oil, resistance to machine
The performance of the air-fuel mixture medium such as oily, acidproof.Fluorubber possesses high temperature resistant, resistance to oil property simultaneously, is inlet manifold sealing gasket
The optimal selection of material.But fluorubber poor in processability, cold resistance is poor and expensive.So developing with excellent machinability
There is low compression set simultaneously, the specific rubber for fluorubber and the hydrogenated nitrile-butadiene rubber blending that cold resistance is excellent and cost is low
Alloy elastic body is very necessary.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of seal specific rubber alloy elastic body
And preparation method thereof, obtained specific rubber alloy elastic body has excellent high and low temperature resistance, low pressure change, resistance to fuel oil, resistance to
The advantages of machine oil, acid and alkali-resistance, resistance to mixed oil and gas and long service life.
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
40~60 parts of rubber, 5~20 parts of hydrogenated nitrile-butadiene rubber rubber, 5.01~50 parts of packing strengthening agent, poly- perfluor isopropyl ether oil 0.3~
2 parts, 1~3 part of zinc oxide, 0.6~1.4 part of organic peroxide, 0.5~2.5 part of Triallyl isocyanurate, lubricant
0.5~1 part.
In specific embodiment, the parts by weight of crude fluororubber can also for 42 parts, 45 parts, 48 parts, 50 parts, 52 parts, 55 parts,
58 parts, the parts by weight of hydrogenated nitrile-butadiene rubber rubber can also be 7 parts, 9 parts, 11 parts, 13 parts, 15 parts, 16.5 parts, 18 parts, filling
The parts by weight of reinforcing agent can also for 0 part, 0.01 part, 0.5,2 parts, 5 parts, 10 parts, 15 parts, 20 parts, 25 parts, 30 parts, 40 parts, 45
Part, the parts by weight of poly- perfluor isopropyl ether oil can also be 0.5 part, 0.8 part, 1 part, 1.2 parts, 1.5 parts, 1.8 parts, the weight of zinc oxide
It can also be 1.3 parts, 1.5 parts, 1.8 parts, 2 parts, 2.3 parts, 2.5 parts, 2.8 parts to measure part, and the parts by weight of organic peroxide may be used also
Think 0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 parts, 1.3 parts, the parts by weight of Triallyl isocyanurate can also be 0.7
Part, 0.9 part, 1.1 parts, 1.3 parts, 1.5 parts, 1.8 parts, 2 parts, 2.2 parts, the parts by weight of lubricant can also for 0.6 part, 0.7 part,
0.8 part, 0.85 part, 0.9 part.
Preferably, crude fluororubber is obtained by vinylidene, hexafluoropropene, tetrafluoroethene, cross-linking monomer copolymerization.
Preferably, the raw material of packing strengthening agent includes by weight：5~25 parts of filler, 0.01~23 part of reinforcing agent, pigment
0~2 part.
Preferably, filler is in silica, active calcium silicate, calcirm-fluoride, calcium oxide, calcium sulfate, barium sulfate, magnesium silicate
One or more kinds of compositions.
Preferably, the raw material of reinforcing agent includes by weight：0~20 part of pyrolysis method carbon black, 0~2 part of carbon fiber, graphite
0.01~1 part of alkene.
Preferably, pigment is by one kind in chrome oxide green, iron oxide red, iron oxide yellow, titanium dioxide and cobalt blue or two
Plant composition described above.
Preferably, organic peroxide is by 2,5- dimethyl -2,5- double (tert-butyl peroxide) hexane, peroxidating diisopropyls
One or both of benzene and double (tert-butyl peroxy isopropyl) benzene of 1,3- composition described above.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：Crude fluororubber and hydrogenated nitrile-butadiene rubber rubber are well mixed, filling is added and mends
Then strong agent, poly- perfluor isopropyl ether oil, zinc oxide and lubricant, the banburying after mixing add organic peroxide, triallyl
Isocyanuric acid ester is kneaded, and obtains synthetic rubber；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
S3, post processing and inspection：Post-cure processing is carried out to vulcanization rubber, seal specific rubber alloy bullet is obtained
Property body.
Preferably, in S1, crude fluororubber and hydrogenated nitrile-butadiene rubber rubber are well mixed, add packing strengthening agent,
Poly- perfluor isopropyl ether oil, zinc oxide, lubricant, place 1.5~2.5h at room temperature after mixing, then carry out banburying, then add
Organic peroxide, Triallyl isocyanurate are kneaded, and obtain synthetic rubber；Wherein, the hardness of synthetic rubber is 55
~75 Shao Er A, tensile strength >=10MPa, elongation rate of tensile failure >=200%.
Preferably, in S1, thing is obtained by being well mixed in crude fluororubber and the input mill of hydrogenated nitrile-butadiene rubber rubber
Expect A, then material A and packing strengthening agent, poly- perfluor isopropyl ether oil, zinc oxide, lubricant are placed in banbury, after mixing
To mixed material, mixed material is placed into 1.5~2.5h at room temperature, then carries out banburying, organic peroxide, three are then added
Allyl iso cyanurate is kneaded, and obtains synthetic rubber；Wherein, the hardness of synthetic rubber is 55~75 Shao Er A, and stretching is strong
Degree >=10MPa, elongation rate of tensile failure >=200%.
Preferably, in S2, mill forming temperature is 60~70 DEG C, and the pressure of vulcanizing treatment is 170~190Kgf/cm2, sulphur
The temperature for changing processing is 165~185 DEG C, and the time of vulcanizing treatment is 180~360s.
Preferably, in S3, to carrying out post-cure processing after vulcanization rubber deburring.
Preferably, in S3, the temperature of post-cure is 170~190 DEG C, 4~8h of time of post-cure.
Crude fluororubber is obtained by vinylidene, hexafluoropropene, tetrafluoroethene and cross-linking monomer copolymerization in the present invention, is had
Fuel resistance can be excellent, while there is the characteristic of low compression set, and crude fluororubber has with hydrogenated nitrile-butadiene rubber rubber
There is identical vulcanizing system, can effectively realize the crosslinking of blending specific rubber alloy elastic body.Inorganic filler is by dioxy
One or both of SiClx, active calcium silicate, calcirm-fluoride, calcium oxide, calcium sulfate, barium sulfate, magnesium silicate composition described above；Its
In, active calcium silicate has the dispersiveness of good affinity and height in this product, effectively improves the mechanical property of product；
Barium sulfate property is stable, is insoluble in water, acid, alkali and organic solvent, addition barium sulfate improve the acid resistance of crude fluororubber with
Tearing strength, and make the compression set of this product small, while effectively reducing the production cost of this product；Magnesium silicate has anti-
The characteristics of acid, alkali resistant, anti-various organic solvents, while also having the performances such as self lubricity is high, coefficient of friction reduction is obvious；It is inorganic
Cooperative effect can be produced by being coordinated in filler by various ingredients, impart the more excellent performance of this product.Graphene has excellent
Mechanical property, thermal property, anti-wear performance, appropriate addition graphene can be effectively improved crude fluororubber and hydrogenated butyronitrile rubber
The problem of causing mechanical properties decrease because compatibility is bad between glue rubber, effectively improve the intensity of this product.Plasticizer is selected
Poly- perfluor isopropyl ether oil, can improve the compatibility between crude fluororubber and hydrogenated nitrile-butadiene rubber rubber, improve this product
Resistance to low temperature and the processing characteristics for improving this product.Extraordinary rubber is used according to seal made from inventive formulation and preparation method
Glued gold elastomer, with long-time high-low temperature resistant, is effective against the air-fuel mixture medium such as fuel oil, machine oil, acid to rubber
Corrosion, sealed reliable, using it is permanent the advantages of.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
40 parts of rubber, 10 parts of hydrogenated nitrile-butadiene rubber rubber, 6 parts of pyrolysis method carbon black, 5 parts of calcium sulfate, 0.5 part of carbon fiber, graphene 0.2
Part, 0.5 part of chrome oxide green, poly- 0.3 part of perfluor isopropyl ether oil, 1 part of zinc oxide, double 0.8 part of (tert-butyl peroxy isopropyl) benzene of 1,3-,
0.5 part of Triallyl isocyanurate, 0.7 part of lubricant.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：Crude fluororubber and hydrogenated nitrile-butadiene rubber rubber are well mixed, filling is added and mends
Then strong agent, poly- perfluor isopropyl ether oil, zinc oxide and lubricant, the banburying after mixing add organic peroxide, triallyl
Isocyanuric acid ester is kneaded, and obtains synthetic rubber；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
S3, post processing and inspection：Post-cure processing is carried out to vulcanization rubber, seal specific rubber alloy bullet is obtained
Property body.
Embodiment 2
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
60 parts of rubber, 16.5 parts of hydrogenated nitrile-butadiene rubber rubber, 20 parts of pyrolysis method carbon black, 15 parts of active calcium silicate, 10 parts of magnesium silicate, carbon
2 parts of fiber, 1 part of graphene, 1 part of iron oxide yellow, 1 part of titanium dioxide, poly- 2 parts of perfluor isopropyl ether oil, 3 parts of zinc oxide, 2,5- bis-
Double 1 part of (tert-butyl peroxide) hexanes of methyl -2,5-, 0.4 part of cumyl peroxide, 2.5 parts of Triallyl isocyanurate,
1 part of lubricant.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：Crude fluororubber and hydrogenated nitrile-butadiene rubber rubber are well mixed, thermal cracking is added
Method carbon black, active calcium silicate, magnesium silicate, carbon fiber, graphene, poly- perfluor isopropyl ether oil, zinc oxide, lubricant, iron oxide yellow,
Titanium dioxide, places 1.5h at room temperature after mixing, then carries out banburying, then adds organic peroxide, triallyl isocyanide
Urea acid esters is kneaded, and obtains synthetic rubber；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then vulcanizing treatment 180s obtains vulcanizing rubber；
Wherein, mill forming temperature is 70 DEG C, and the pressure of vulcanizing treatment is 190Kgf/cm2, the temperature of vulcanizing treatment is 185 DEG C；
S3, post processing and inspection：Deburring is carried out to vulcanization rubber, post-cure, post-cure are then carried out at 170 DEG C
Time 8h, obtains seal specific rubber alloy elastic body.
Embodiment 3
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
45 parts of rubber, 10 parts of hydrogenated nitrile-butadiene rubber rubber, 8 parts of active calcium silicate, 5 parts of calcium oxide, 0.03 part of graphene, poly- perfluor isopropyl
1.5 parts of ether oil, 2 parts of zinc oxide, 2,5- dimethyl -2,5- double 0.6 part of (tert-butyl peroxide) hexane, triallyl isocyanuric acids
1.8 parts of ester, 0.5 part of lubricant, 0.8 part of iron oxide red.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：It will be well mixed in crude fluororubber and the input mill of hydrogenated nitrile-butadiene rubber rubber
Obtain material A, then by material A and active calcium silicate, calcium oxide, graphene, poly- perfluor isopropyl ether oil, zinc oxide, lubricant, oxygen
Change iron oxide red to be placed in banbury, mixed material obtained after mixing, mixed material is placed into 2h at room temperature, then carry out banburying,
Then double (tert-butyl peroxide) hexanes of 2,5- dimethyl -2,5-, Triallyl isocyanurate are added to be kneaded, are closed
Into rubber；Wherein, the hardness of synthetic rubber is 60 Shao Er A, and tensile strength is 15.7MPa, and elongation rate of tensile failure is 332%；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
Wherein, mill forming temperature is 60 DEG C, and the pressure of vulcanizing treatment is 170Kgf/cm2, the temperature of vulcanizing treatment is 180 DEG C, vulcanization
The time of processing is 240s；
S3, post processing and inspection：To carrying out post-cure processing after vulcanization rubber deburring, wherein, the temperature of post-cure
For 180 DEG C, the time 4h of post-cure obtains seal specific rubber alloy elastic body.
Embodiment 4
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
50 parts of rubber, 5 parts of hydrogenated nitrile-butadiene rubber rubber, 8 parts of pyrolysis method carbon black, 5 parts of calcirm-fluoride, 1 part of carbon fiber, graphene 0.01
Part, poly- 1 part of perfluor isopropyl ether oil, 1 part of zinc oxide, 2,5- dimethyl -2,5- double 0.7 part of (tert-butyl peroxide) hexane, triolefins
1.6 parts of propyl group isocyanuric acid ester, 0.5 part of lubricant.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：It will be well mixed in crude fluororubber and the input mill of hydrogenated nitrile-butadiene rubber rubber
Obtain material A, then by material A and pyrolysis method carbon black, calcirm-fluoride, carbon fiber, graphene, poly- perfluor isopropyl ether oil, zinc oxide,
Lubricant is placed in banbury, and mixed material is obtained after mixing, and mixed material placed into 2h at room temperature, then carries out banburying,
Then double (tert-butyl peroxide) hexanes of 2,5- dimethyl -2,5-, Triallyl isocyanurate are added to be kneaded, are closed
Into rubber；Wherein, the hardness of synthetic rubber is 64 Shao Er A, and tensile strength is 16.9MPa, and elongation rate of tensile failure is 290%；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
Wherein, mill forming temperature is 63 DEG C, and the pressure of vulcanizing treatment is 180Kgf/cm2, the temperature of vulcanizing treatment is 185 DEG C, vulcanization
The time of processing is 210s；
S3, post processing and inspection：To carrying out post-cure processing after vulcanization rubber deburring, wherein, the temperature of post-cure
For 180 DEG C, the time 4h of post-cure obtains seal specific rubber alloy elastic body.
Embodiment 5
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
45 parts of rubber, 20 parts of hydrogenated nitrile-butadiene rubber rubber, 0 part of silica 1,8 parts of barium sulfate, 0.3 part of carbon fiber, graphene 0.01
Part, poly- 0.5 part of perfluor isopropyl ether oil, 1.5 parts of zinc oxide, 1 part of cumyl peroxide, 1.5 parts of Triallyl isocyanurate,
0.8 part of lubricant, 1 part of iron oxide yellow, 0.5 part of titanium dioxide.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：It will be well mixed in crude fluororubber and the input mill of hydrogenated nitrile-butadiene rubber rubber
Obtain material A, then by material A and silica, barium sulfate, carbon fiber, graphene, poly- perfluor isopropyl ether oil, zinc oxide, lubrication
Agent, iron oxide yellow, titanium dioxide are placed in banbury, and mixed material is obtained after mixing, and mixed material is placed at room temperature
2h, then banburying is carried out, then add cumyl peroxide, Triallyl isocyanurate and kneaded, obtain synthetic rubber；
Wherein, the hardness of synthetic rubber is 62 Shao Er A, and tensile strength is 17.6MPa, and elongation rate of tensile failure is 286%；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
Wherein, mill forming temperature is 70 DEG C, and the pressure of vulcanizing treatment is 190Kgf/cm2, the temperature of vulcanizing treatment is 175 DEG C, vulcanization
The time of processing is 360s；
S3, post processing and inspection：To carrying out post-cure processing after vulcanization rubber deburring, wherein, the temperature of post-cure
For 180 DEG C, the time 6h of post-cure obtains seal specific rubber alloy elastic body.
Embodiment 6
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
55 parts of rubber, 10 parts of hydrogenated nitrile-butadiene rubber rubber, 3 parts of silica, 14 parts of active calcium silicate, 3 parts of magnesium silicate, carbon fiber 0.5
Part, 0.02 part of graphene, poly- 0.5 part of perfluor isopropyl ether oil, 1.5 parts of zinc oxide, 0.8 part of cumyl peroxide, triallyl
1.5 parts of isocyanuric acid ester, 0.8 part of lubricant, 0.5 part of cobalt blue.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：It will be well mixed in crude fluororubber and the input mill of hydrogenated nitrile-butadiene rubber rubber
Obtain material A, then by material A and silica, active calcium silicate, magnesium silicate, carbon fiber, graphene, poly- perfluor isopropyl ether oil,
Zinc oxide, lubricant, cobalt blue are placed in banbury, and mixed material is obtained after mixing, and mixed material is placed into 2h at room temperature,
Banburying is carried out again, is then added cumyl peroxide, Triallyl isocyanurate and is kneaded, obtains synthetic rubber；Its
In, the hardness of synthetic rubber is 68 Shao Er A, and tensile strength is 17.8MPa, and elongation rate of tensile failure is 256%；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
Wherein, mill forming temperature is 64 DEG C, and the pressure of vulcanizing treatment is 185Kgf/cm2, the temperature of vulcanizing treatment is 178 DEG C, vulcanization
The time of processing is 300s；
S3, post processing and inspection：To carrying out post-cure processing after vulcanization rubber deburring, wherein, the temperature of post-cure
For 180 DEG C, the time 4h of post-cure obtains seal specific rubber alloy elastic body.
Embodiment 7
A kind of seal proposed by the present invention specific rubber alloy elastic body, its raw material includes by weight：Fluorubber
50 parts of rubber, 12 parts of hydrogenated nitrile-butadiene rubber rubber, 10 parts of pyrolysis method carbon black, 5 parts of active calcium silicate, 0.5 part of carbon fiber, graphite
0.1 part of alkene, poly- 0.5 part of perfluor isopropyl ether oil, 2.5 parts of zinc oxide, 1,3- double 1 part of (tert-butyl peroxy isopropyl) benzene, triallyls
1.4 parts of isocyanuric acid ester, 1 part of lubricant.
The invention also provides a kind of preparation method of seal with specific rubber alloy elastic body, comprise the following steps：
S1, synthetic rubber preparation：It will be well mixed in crude fluororubber and the input mill of hydrogenated nitrile-butadiene rubber rubber
Obtain material A, then by material A and pyrolysis method carbon black, active calcium silicate, carbon fiber, graphene, poly- perfluor isopropyl ether oil, oxygen
Change zinc, lubricant to be placed in banbury, mixed material is obtained after mixing, mixed material 2h is placed at room temperature, then carry out
Banburying, then adds double (tert-butyl peroxy isopropyl) benzene of 1,3-, Triallyl isocyanurate and is kneaded, obtain synthesizing rubber
Glue；Wherein, the hardness of synthetic rubber is 71 Shao Er A, and tensile strength is 18.3MPa, and elongation rate of tensile failure is 220%；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
Wherein, mill forming temperature is 67 DEG C, and the pressure of vulcanizing treatment is 175Kgf/cm2, the temperature of vulcanizing treatment is 181 DEG C, vulcanization
The time of processing is 270s；
S3, post processing and inspection：To carrying out post-cure processing after vulcanization rubber deburring, wherein, the temperature of post-cure
For 180 DEG C, the time 4h of post-cure obtains seal specific rubber alloy elastic body.
Performance test is carried out with specific rubber alloy elastic body to seal in 3-7 of the embodiment of the present invention, test result is such as
Shown in following table：
From upper table data, seal specific rubber alloy elastic body of the present invention has good hardness, stretching strong
Degree, hot air aging resistance, fuel-resistant oiliness and lower temperature resistance, and compression set is small, seal of the present invention uses extraordinary rubber
Glued gold elastomer performance is excellent, meets car engine seal with required performance requirement, is car engine seal
Preferable selection.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of seal specific rubber alloy elastic body, it is characterised in that its raw material includes by weight：Crude fluororubber
40~60 parts, 5~20 parts of hydrogenated nitrile-butadiene rubber rubber, 5.01~50 parts of packing strengthening agent, poly- 0.3~2 part of perfluor isopropyl ether oil,
1~3 part of zinc oxide, 0.6~1.4 part of organic peroxide, 0.5~2.5 part of Triallyl isocyanurate, lubricant 0.5~1
Part.
2. seal specific rubber alloy elastic body according to claim 1, it is characterised in that crude fluororubber is by inclined fluorine
Ethene, hexafluoropropene, tetrafluoroethene, cross-linking monomer copolymerization are obtained.
3. seal specific rubber alloy elastic body according to claim 1, it is characterised in that the raw material of packing strengthening agent
Include by weight：5~25 parts of filler, 0.01~23 part of reinforcing agent, 0~2 part of pigment；Preferably, filler is by silica, work
One or both of property calcium silicates, calcirm-fluoride, calcium oxide, calcium sulfate, barium sulfate, magnesium silicate composition described above.
4. seal specific rubber alloy elastic body according to claim 1, it is characterised in that the raw material of reinforcing agent is by weight
Amount part includes：0~20 part of pyrolysis method carbon black, 0~2 part of carbon fiber, 0.01~1 part of graphene.
5. seal specific rubber alloy elastic body according to claim 1, it is characterised in that pigment by chrome oxide green,
One or two kinds of composition described above in iron oxide red, iron oxide yellow, titanium dioxide and cobalt blue.
6. seal specific rubber alloy elastic body according to claim 1, it is characterised in that organic peroxide by 2,
In double (tert-butyl peroxide) hexanes of 5- dimethyl -2,5-, cumyl peroxide and double (tert-butyl peroxy isopropyl) benzene of 1,3-
One or more kinds of compositions.
7. a kind of preparation method of the seal specific rubber alloy elastic body as described in claim 1-6, it is characterised in that bag
Include following steps：
S1, synthetic rubber preparation：Crude fluororubber and hydrogenated nitrile-butadiene rubber rubber are well mixed, filler reinforcement is added
Then agent, poly- perfluor isopropyl ether oil, zinc oxide and lubricant, the banburying after mixing add organic peroxide, triallyl different
Cyanurate is kneaded, and obtains synthetic rubber；
S2, rubber shaping and vulcanization：Synthetic rubber mill is molded, then obtains vulcanizing rubber after vulcanizing treatment；
S3, post processing and inspection：Post-cure processing is carried out to vulcanization rubber, seal specific rubber alloy elastic is obtained
Body.
8. the preparation method of seal specific rubber alloy elastic body according to claim 7, it is characterised in that in S1,
Crude fluororubber and hydrogenated nitrile-butadiene rubber rubber are well mixed, packing strengthening agent, poly- perfluor isopropyl ether oil, oxidation is added
Zinc, lubricant, place 1.5~2.5h at room temperature after mixing, then carry out banburying, then add organic peroxide, three allyls
Base isocyanuric acid ester is kneaded, and obtains synthetic rubber；Wherein, the hardness of synthetic rubber be 55~75 Shao Er A, tensile strength >=
10MPa, elongation rate of tensile failure >=200%.
9. the preparation method of seal specific rubber alloy elastic body according to claim 7, it is characterised in that in S2,
Mill forming temperature is 60~70 DEG C, and the pressure of vulcanizing treatment is 170~190Kgf/cm2, the temperature of vulcanizing treatment for 165~
185 DEG C, the time of vulcanizing treatment is 180~360s.
10. the preparation method of seal specific rubber alloy elastic body according to claim 7, it is characterised in that in S3,
The temperature of post-cure is 170~190 DEG C, 4~8h of time of post-cure.
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| CN109777010A (en) * | 2019-01-15 | 2019-05-21 | 安徽大学 | A kind of low pressure becomes alloy elastic body sealing element and preparation method thereof |
| CN110157122A (en) * | 2019-06-10 | 2019-08-23 | 长欣胶业(上海)有限公司 | Extremely low temperature fluorine rubber compound of one kind and preparation method thereof |
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| CN111205529A (en) * | 2020-03-03 | 2020-05-29 | 山东菲纳科技发展有限公司 | Novel composite wear-resistant material for sucker rod elevator and preparation method thereof |
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| CN114672116A (en) * | 2022-04-29 | 2022-06-28 | 安徽中鼎密封件股份有限公司 | Low-compression stress relaxation fluororubber for battery sealing element and preparation method thereof |
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| CN108374906A (en) * | 2018-04-25 | 2018-08-07 | 中海石油(中国)有限公司湛江分公司 | A kind of natural gas wellhead gate valve |
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| CN109777010A (en) * | 2019-01-15 | 2019-05-21 | 安徽大学 | A kind of low pressure becomes alloy elastic body sealing element and preparation method thereof |
| CN109777010B (en) * | 2019-01-15 | 2021-03-30 | 安徽大学 | Low-pressure-change alloy elastomer sealing element and preparation method thereof |
| CN110157122A (en) * | 2019-06-10 | 2019-08-23 | 长欣胶业(上海)有限公司 | Extremely low temperature fluorine rubber compound of one kind and preparation method thereof |
| CN110643095A (en) * | 2019-11-16 | 2020-01-03 | 广东瑞福密封科技有限公司 | Preparation method of oil-resistant acid-base-resistant sealing ring |
| CN111205529A (en) * | 2020-03-03 | 2020-05-29 | 山东菲纳科技发展有限公司 | Novel composite wear-resistant material for sucker rod elevator and preparation method thereof |
| CN111660478A (en) * | 2020-06-04 | 2020-09-15 | 湖南橡塑密封件厂有限公司 | Forming process of hollow perforated silicone rubber sealing element for aviation |
| CN114672116A (en) * | 2022-04-29 | 2022-06-28 | 安徽中鼎密封件股份有限公司 | Low-compression stress relaxation fluororubber for battery sealing element and preparation method thereof |
| CN114672116B (en) * | 2022-04-29 | 2023-07-28 | 安徽中鼎密封件股份有限公司 | Low-compressive stress relaxation fluororubber for battery sealing element and preparation method thereof |
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