CN109054129A - A kind of oil-resisting type rubber composition - Google Patents
A kind of oil-resisting type rubber composition Download PDFInfo
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- CN109054129A CN109054129A CN201810853441.4A CN201810853441A CN109054129A CN 109054129 A CN109054129 A CN 109054129A CN 201810853441 A CN201810853441 A CN 201810853441A CN 109054129 A CN109054129 A CN 109054129A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- 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
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Abstract
The present invention relates to technical field of polymer materials, and in particular to a kind of oil-resisting type rubber composition.The component of rubber composition includes: nitrile rubber, polyurethane rubber, ethylene propylene diene rubber, chlorosulfonated polyethylene, cross-linking catalyst, calcined kaolin, reinforcing agent, zinc stearate, vulcanizing agent, coupling agent and anti-aging agent.Wherein, cross-linking catalyst can provide the cross-linking reaction of Composite rubber material good catalysis and facilitation, and vulcanizing agent is the mixture that sulphur and zinc oxide are mixed according to the mass ratio of 3:2；Coupling agent is vinyltrimethoxysilane；Reinforcing agent is MT carbon black；Anti-aging agent is one of anti-aging agent RD, antioxidant D and antioxidant 264.The oil resistivity of the type rubber composition is good, and corrosion-resistant, anti-aging property protrudes, and simple production process is a kind of specific rubber of excellent combination property.
Description
Technical field
The present invention relates to technical field of polymer materials, and in particular to a kind of oil-resisting type rubber composition.
Background technique
Rubber is that one kind has elastomeric reversible deformable polymer material in a normal state can be in smaller external force
Effect is lower to generate biggish deformation, and deformation can fast quick-recovery after external force disappearance.Rubber material is divided into multiple types, mainly divides
For natural rubber and two kinds of synthetic rubber, natural rubber is after the latex flowed out when being tapped rubber by para ruber is solidified, dried
And be made, the finished product after processing be with elasticity, insulating properties, impermeable water and air material.Synthetic rubber is then by various monomers
It is aggregated reaction and obtain.Common rubber is divided into natural rubber, general purpose rubber, butadiene-styrene rubber, nitrile rubber, silicon rubber in the market
Several classes of glue, butadiene rubber, isoprene rubber, EP rubbers, neoprene.Rubber material is widely used, in transit equipment industry, machine
The industries such as tool industry, electrical circuitry equipment industry, health and medical service and daily chemical products have application.According to different industrial uses,
It can choose the rubber types of different performance.
It further include some specific rubbers in certain aspect of performance with outstanding feature in rubber material；Specific rubber also compared with
Special synthetic rubber.Such as resistance to 300 DEG C of high temperature, resistance to vigorous erosion, resistance to ozone, light, weather, radiation and oil resistant fluorubber；Resistance to-
100 DEG C of low temperature and 260 DEG C of high temperature, silicon rubber small to temperature dependency, with low viscous activation energy and physiological inertia；Heat-resisting,
Solvent resistant, oil resistant, the good acrylic rubber of electrical insulating property.There is also polyurethane rubber, polyether rubber, haloflex,
Chlorosulfonated polyethylene, epoxy propane rubber, polysulfide rubber etc., they also respectively have excellent special performance, can satisfy general logical
With the inefficient particular requirement of rubber institute, there is important work in fields such as national defence, industry, advanced science technology, health cares
With.
Fluorubber is a kind of most conventional oil resistant rubber type, although the oil resistant of this rubber, corrosion resistance are very excellent
Show, but more other type rubber such as the mechanical strength of rubber and elastic property also have a certain distance, and fluorubber
Production cost is also relatively high, these all limit the application of fluorubber.Therefore a kind of mechanical performance, anti-aging how is produced
Performance and oil resistant, corrosion resistance are relatively outstanding, the rubber product that comprehensive performance more balances, and become a urgent need to resolve
Problem.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of oil-resisting type rubber composition, the type rubber groups
The oil resistivity for closing object is good, and corrosion-resistant, anti-aging property protrudes, and simple production process is a kind of extraordinary rubber of excellent combination property
Glue.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of oil-resisting type rubber composition, according to mass fraction, the component of rubber composition includes: nitrile rubber 60-80
Part, 20-25 parts of polyurethane rubber, 15-30 parts of ethylene propylene diene rubber, 8-12 parts of chlorosulfonated polyethylene, cross-linking catalyst 2.3-3.8
Part, 10-17 parts of calcined kaolin, 5-11 parts of reinforcing agent, 1-2 parts of zinc stearate, 3-5 parts of vulcanizing agent, 1-3 parts of coupling agent, prevent old
1-2 parts of agent.
Preferably, according to mass fraction, the component of rubber composition includes: 68-75 parts of nitrile rubber, polyurethane rubber
22-24 parts, 19-24 parts of ethylene propylene diene rubber, 9-11 parts of chlorosulfonated polyethylene, 2.7-3.2 parts of cross-linking catalyst, calcined kaolin
13-15 parts, 7-10 parts of reinforcing agent, 1.3-1.7 parts of zinc stearate, 3.4-4.2 parts of vulcanizing agent, 1.6-2.2 parts of coupling agent, anti-aging agent
1.3-1.6 part.
It is further preferred that the component of rubber composition includes: 73 parts of nitrile rubber, polyurethane rubber according to mass fraction
23 parts of glue, 21 parts of ethylene propylene diene rubber, 10 parts of chlorosulfonated polyethylene, 3 parts of cross-linking catalyst, 14 parts of calcined kaolin, reinforcing agent 9
Part, 1.4 parts of zinc stearate, 4.1 parts of vulcanizing agent, 1.9 parts of coupling agent, 1.4 parts of anti-aging agent.
In the present invention, the preparation method of cross-linking catalyst includes the following steps:
(1) according to mass fraction, prepare following raw material: 45.5 parts of Zeolite, 15 parts of light silicon dioxide, α-
It 18.3 parts of aluminium oxide, 3.7 parts of zirconium oxide, 10.2 parts of trioctylphosphine amine, 2.3 parts of hydroxypropyl starch ether, 200 parts of deionized water, will be with
Slurry is configured to after upper material mixing is uniform, slurry is stirred to react 30-40min with 80-95 DEG C of temperature, then through natural subsidence
Afterwards, it filters and dries to obtain dry powder；
(2) dry powder is first sent in the high temperature furnace of reducing atmosphere, with 450-600 DEG C of temperature calcination 1-2h, then again
It is sent in the high temperature furnace of oxidizing atmosphere and calcines 2-3h, kiln discharge after calcining, and cooled to room temperature, 75 parts of products are sent
Enter into the potassium hydroxide solution of 1000 parts of 1.2-1.5mol/L, dipping stirring, and 1- is handled with 40-50 DEG C of bath temperature
1.5h, after concentration then is evaporated under reduced pressure in dispersion liquid, atomization drying obtains carrier micro mist；
(3) by 12 parts of reproducibility magnesium compounds, 7.5 parts of tert-butoxy aluminium, 2.5 parts of aluminium diethyl monochlorides are added to reaction kettle
In, under the protection of nitrogen atmosphere, 50 parts of normal octane solvents and 2 parts of alkyl glycosides are added into reaction kettle, stirring is equal to dispersing
It is even, then carrier micro mist is added, with 110-120 DEG C of temperature heating reaction 1.5-2.5h；After reaction by product
It is cooled to room temperature, solid content is obtained by filtration；
(4) by butyl titanate, isopropanol, diethylenetriamines, benzoyl peroxide and α-aminopyridine according to 2:5:1:
The mass ratio of 2:2 is added in the xylene solvent of 10 times of volumes, is dispersed with stirring to obtain modifying agent, then by 50 parts of upper steps
Obtained solid content is added in 150 parts of modifying agent, reaction 45-60min is dispersed with stirring, after then filtering product, with 150-
160 DEG C of temperature drying and processing, obtains required cross-linking catalyst.
Wherein, the reducing atmosphere in the high temperature furnace in step (2) is hydrogen, and oxidizing atmosphere is oxygen.
Reproducibility magnesium compound is in dimethyl magnesium, dibutylmagnesium, butylmagnesium chloride and butyl magnesium ethylate in step (3)
One kind.
Preferably, vulcanizing agent is the mixture that sulphur and zinc oxide are mixed according to the mass ratio of 3:2.
Preferably, coupling agent is vinyltrimethoxysilane；Reinforcing agent is MT carbon black.
Preferably, anti-aging agent is one of anti-aging agent RD, antioxidant D and antioxidant 264.
Rubber composition provided by the invention the preparation method comprises the following steps:
According to mass fraction, mixer is preheated to 60-65 DEG C, then by nitrile rubber, polyurethane rubber, EPDM
Rubber and chlorosulfonated polyethylene are added in mixer, start that cross-linking catalyst, banbury rotating speed 180- is added when mixing
220r/min, smelting temperature control are 130-145 DEG C, mixing time 10-14min, discharge after mixing, by sizing material temperature
It is put into open mill after being reduced to room temperature, calcined kaolin, reinforcing agent, zinc stearate and coupling agent is added, continue to be kneaded 25-
30min, is added vulcanizing agent after mixing and anti-aging agent continues to be kneaded 3-4min, then will obtain sizing material and be sequentially sent to plate
Two sections of vulcanizations are carried out in vulcanizer and baking oven, one step cure condition is 170 DEG C, 10MPa, 15min；Post vulcanization condition are as follows: 190
DEG C, 3h；Required oil-resisting type rubber composition is obtained after vulcanizing treatment.
The present invention have it is following the utility model has the advantages that
Rubber composition in the present invention using the nitrile rubber, polyurethane rubber and ethylene propylene diene rubber of special ratios as
Then gum base ingredients are carried out mixing cross-linking reaction by the component sizing material of rubber together with chlorosulfonated polyethylene in mixer；Through
The rubber material of this component and technique preparation is crossed, oil resistant, corrosion resistance and thermal stability are greatly improved.
In order to promote to crosslink reaction between different sizing materials, the present invention has been intentionally added a kind of special in internal mixing pass
Cross-linking catalyst, this additive can play catalysis and promote crosslinking effect, thus significantly improve sizing material quality,
And reduce process time and the difficulty of processing of crosslinking process.Cross-linking catalyst in the present invention can also generate collaboration with vulcanizing agent
Effect promotes rubber composition to form three-dimensional reticular structure during step up cure, so that the wearability of material,
Swelling resistance and high temperature resistance get a promotion.
It also added the fillers such as calcined kaolin, reinforcing agent, zinc stearate, vulcanizing agent, coupling agent, anti-aging agent in the present invention
With function additive ingredient, this makes every comprehensive performance such as compressive resistance, tensile resistance and corrosion resistance of rubber material
It is balanced, improves the type oil resistant rubber service life and application range.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In following embodiment, the preparation method of cross-linking catalyst includes the following steps:
(1) according to mass fraction, prepare following raw material: 45.5 parts of Zeolite, 15 parts of light silicon dioxide, α-
It 18.3 parts of aluminium oxide, 3.7 parts of zirconium oxide, 10.2 parts of trioctylphosphine amine, 2.3 parts of hydroxypropyl starch ether, 200 parts of deionized water, will be with
Slurry is configured to after upper material mixing is uniform, slurry is stirred to react 35min with 90 DEG C of temperature, then after natural subsidence, mistake
It filters and dries to obtain dry powder；
(2) dry powder is first sent in the high temperature furnace of reducing atmosphere, with 500 DEG C of temperature calcination 1.5h, is then re-fed into
3h, kiln discharge after calcining, and cooled to room temperature are calcined into the high temperature furnace of oxidizing atmosphere, and 75 parts of products are sent to
In the potassium hydroxide solution of 1000 parts of 1.5mol/L, dipping stirring, and 1h is handled with 45 DEG C of bath temperature, then by dispersion liquid
After concentration is evaporated under reduced pressure, atomization drying obtains carrier micro mist；
(3) by 12 parts of reproducibility magnesium compounds, 7.5 parts of tert-butoxy aluminium, 2.5 parts of aluminium diethyl monochlorides are added to reaction kettle
In, under the protection of nitrogen atmosphere, 50 parts of normal octane solvents and 2 parts of alkyl glycosides are added into reaction kettle, stirring is equal to dispersing
It is even, then carrier micro mist is added, with 115 DEG C of temperature heating reaction 2h；Product is cooled to room temperature after reaction,
Solid content is obtained by filtration；
(4) by butyl titanate, isopropanol, diethylenetriamines, benzoyl peroxide and α-aminopyridine according to 2:5:1:
The mass ratio of 2:2 is added in the xylene solvent of 10 times of volumes, is dispersed with stirring to obtain modifying agent, then by 50 parts of upper steps
Obtained solid content is added in 150 parts of modifying agent, reaction 50min is dispersed with stirring, after then filtering product, with 155 DEG C
Temperature drying and processing obtains required cross-linking catalyst.
Wherein, the reducing atmosphere in the high temperature furnace in step (2) is hydrogen, and oxidizing atmosphere is oxygen.
Reproducibility magnesium compound is butylmagnesium chloride in step (3).
Embodiment 1
A kind of oil-resisting type rubber composition, according to mass fraction, the component of rubber composition includes: 60 parts of nitrile rubber,
20 parts of polyurethane rubber, 15 parts of ethylene propylene diene rubber, 8 parts of chlorosulfonated polyethylene, 2.3 parts of cross-linking catalyst, calcined kaolin 10
Part, 5 parts of reinforcing agent, 1 part of zinc stearate, 3 parts of vulcanizing agent, 1 part of coupling agent, 1 part of anti-aging agent.
Wherein, vulcanizing agent is the mixture that sulphur and zinc oxide are mixed according to the mass ratio of 3:2.
Coupling agent is vinyltrimethoxysilane；Reinforcing agent is MT carbon black.
Anti-aging agent is anti-aging agent RD.
Oil-resisting type rubber composition provided in this embodiment the preparation method comprises the following steps:
According to mass fraction, mixer is preheated to 60 DEG C, then by nitrile rubber, polyurethane rubber, ethylene-propylene-diene monomer
Glue and chlorosulfonated polyethylene are added in mixer, start that cross-linking catalyst is added when mixing, banbury rotating speed 180r/min,
Smelting temperature control is 130 DEG C, mixing time 10min, and discharge after mixing is put into after sizing material temperature is reduced to room temperature
Into open mill, calcined kaolin, reinforcing agent, zinc stearate and coupling agent is added, continues to be kneaded 25min, add after mixing
Enter vulcanizing agent and anti-aging agent continues to be kneaded 3min, then will obtain sizing material and be sequentially sent to carry out two into vulcanizing press and baking oven
Section vulcanization, one step cure condition are 170 DEG C, 10MPa, 15min；Post vulcanization condition are as follows: 190 DEG C, 3h；After vulcanizing treatment
Obtain required oil-resisting type rubber composition.
Embodiment 2
A kind of oil-resisting type rubber composition, according to mass fraction, the component of rubber composition includes: 80 parts of nitrile rubber,
25 parts of polyurethane rubber, 30 parts of ethylene propylene diene rubber, 12 parts of chlorosulfonated polyethylene, 3.8 parts of cross-linking catalyst, calcined kaolin 17
Part, 11 parts of reinforcing agent, 2 parts of zinc stearate, 5 parts of vulcanizing agent, 3 parts of coupling agent, 2 parts of anti-aging agent.
Wherein, vulcanizing agent is the mixture that sulphur and zinc oxide are mixed according to the mass ratio of 3:2.
Coupling agent is vinyltrimethoxysilane；Reinforcing agent is MT carbon black.
Anti-aging agent is antioxidant D.
Oil-resisting type rubber composition provided by the invention the preparation method comprises the following steps:
According to mass fraction, mixer is preheated to 65 DEG C, then by nitrile rubber, polyurethane rubber, ethylene-propylene-diene monomer
Glue and chlorosulfonated polyethylene are added in mixer, start that cross-linking catalyst is added when mixing, banbury rotating speed 220r/min,
Smelting temperature control is 145 DEG C, mixing time 14min, and discharge after mixing is put into after sizing material temperature is reduced to room temperature
Into open mill, calcined kaolin, reinforcing agent, zinc stearate and coupling agent is added, continues to be kneaded 30min, add after mixing
Enter vulcanizing agent and anti-aging agent continues to be kneaded 4min, then will obtain sizing material and be sequentially sent to carry out two into vulcanizing press and baking oven
Section vulcanization, one step cure condition are 170 DEG C, 10MPa, 15min；Post vulcanization condition are as follows: 190 DEG C, 3h；After vulcanizing treatment
Obtain required oil-resisting type rubber composition.
Embodiment 3
A kind of oil-resisting type rubber composition, according to mass fraction, the component of rubber composition includes: 73 parts of nitrile rubber,
23 parts of polyurethane rubber, 21 parts of ethylene propylene diene rubber, 10 parts of chlorosulfonated polyethylene, 3 parts of cross-linking catalyst, calcined kaolin 14
Part, 9 parts of reinforcing agent, 1.4 parts of zinc stearate, 4.1 parts of vulcanizing agent, 1.9 parts of coupling agent, 1.4 parts of anti-aging agent.
Wherein, vulcanizing agent is the mixture that sulphur and zinc oxide are mixed according to the mass ratio of 3:2.
Coupling agent is vinyltrimethoxysilane；Reinforcing agent is MT carbon black.
Anti-aging agent is antioxidant 264.
Oil-resisting type rubber composition provided by the invention the preparation method comprises the following steps:
According to mass fraction, mixer is preheated to 63 DEG C, then by nitrile rubber, polyurethane rubber, ethylene-propylene-diene monomer
Glue and chlorosulfonated polyethylene are added in mixer, start that cross-linking catalyst is added when mixing, banbury rotating speed 190r/min,
Smelting temperature control is 140 DEG C, mixing time 12min, and discharge after mixing is put into after sizing material temperature is reduced to room temperature
Into open mill, calcined kaolin, reinforcing agent, zinc stearate and coupling agent is added, continues to be kneaded 28min, add after mixing
Enter vulcanizing agent and anti-aging agent continues to be kneaded 3min, then will obtain sizing material and be sequentially sent to carry out two into vulcanizing press and baking oven
Section vulcanization, one step cure condition are 170 DEG C, 10MPa, 15min；Post vulcanization condition are as follows: 190 DEG C, 3h；After vulcanizing treatment
Obtain required oil-resisting type rubber composition.
Performance test
1, the every mechanical performance and weather resistance of rubber composition in the present embodiment are tested, and Shanghai edge is set
Southern Supreme Being's board nitrile rubber product that the trade mark of rubber Industrial Co., Ltd. sale is 1052 as a control group, carries out performance comparison, obtains
To following test result:
Table 1: the performance test results of rubber product in the present embodiment and control group
Analyze above-mentioned data discovery: the tensile strength and elongation at break of rubber product provided by the invention are higher, material
Mechanical strength and toughness it is more outstanding, wearability is also more outstanding, in addition, thermal aging test and ozone aging test in,
The stability of rubber product provided by the invention is better than control group, the tensile strength and elongation at break amplitude of variation of material
It is smaller；Therefore it can prove rubber material provided by the invention, there is higher heat resistance and anti-aging property.
2, the oil resistance to the rubber product in the present embodiment and control group and corrosion resistance can be carried out test；Wherein,
Oil resistance is tested by the oil absorbency of oil immersion test, and corrosion resistance passes through the drawing of test rubber material after salt spray test
Change rate of strength and elongation at break change rate are stretched to be measured；Dependence test result is as follows:
Table 2: the oil resistant and corrosion resistance test result of the present embodiment and control group material
The above test data discovery is analyzed, rubber material provided by the invention, oil resistivity is very prominent, in oil immersion test
The oil absorbency of material is lower, and degree of swelling is lighter, therefore performance loss of the material in oiliness environment is smaller；And salt spray test
The result shows that rubber material provided by the invention also has a better corrosion resistance, the rubber material in corrosive environment
Under can also keep higher intensity, stability is more preferable.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of oil-resisting type rubber composition, it is characterised in that: according to mass fraction, the component of the rubber composition includes:
60-80 parts of nitrile rubber, 20-25 parts of polyurethane rubber, 15-30 parts of ethylene propylene diene rubber, 8-12 parts of chlorosulfonated polyethylene, catalysis
2.3-3.8 parts of crosslinking agent, 10-17 parts of calcined kaolin, 5-11 parts of reinforcing agent, 1-2 parts of zinc stearate, 3-5 parts of vulcanizing agent, coupling
1-3 parts of agent, 1-2 parts of anti-aging agent.
2. a kind of oil-resisting type rubber composition according to claim 1, it is characterised in that: according to mass fraction, the rubber
The component of glue composition includes: 68-75 parts of nitrile rubber, and 22-24 parts of polyurethane rubber, 19-24 parts of ethylene propylene diene rubber, chlorine sulphur
Polyethylene 9-11 parts of change, 2.7-3.2 parts of cross-linking catalyst, 13-15 parts of calcined kaolin, 7-10 parts of reinforcing agent, zinc stearate
1.3-1.7 parts, 3.4-4.2 parts of vulcanizing agent, 1.6-2.2 parts of coupling agent, 1.3-1.6 parts of anti-aging agent.
3. a kind of oil-resisting type rubber composition according to claim 2, it is characterised in that: according to mass fraction, the rubber
The component of glue composition includes: 73 parts of nitrile rubber, and 23 parts of polyurethane rubber, 21 parts of ethylene propylene diene rubber, chlorosulfonated polyethylene
10 parts, 3 parts of cross-linking catalyst, 14 parts of calcined kaolin, 9 parts of reinforcing agent, 1.4 parts of zinc stearate, 4.1 parts of vulcanizing agent, coupling agent
1.9 parts, 1.4 parts of anti-aging agent.
4. a kind of oil-resisting type rubber composition according to claim 1, which is characterized in that the preparation of the cross-linking catalyst
Method includes the following steps:
(1) according to mass fraction, prepare following raw material: 45.5 parts of Zeolite, 15 parts of light silicon dioxide, alpha-oxidation
18.3 parts of aluminium, 3.7 parts of zirconium oxide, 10.2 parts of trioctylphosphine amine, 2.3 parts of hydroxypropyl starch ether, 200 parts of deionized water, by the above object
Matter is configured to slurry after mixing, and slurry is stirred to react 30-40min with 80-95 DEG C of temperature, then after natural subsidence,
It filters and dries to obtain dry powder；
(2) dry powder is first sent in the high temperature furnace of reducing atmosphere, with 450-600 DEG C of temperature calcination 1-2h, is then re-fed into
2-3h, kiln discharge after calcining, and cooled to room temperature are calcined into the high temperature furnace of oxidizing atmosphere, and 75 parts of products are sent to
In the potassium hydroxide solution of 1000 parts of 1.2-1.5mol/L, dipping stirring, and 1-1.5h is handled with 40-50 DEG C of bath temperature,
Then after concentration being evaporated under reduced pressure in dispersion liquid, atomization drying obtains carrier micro mist；
(3) by 12 parts of reproducibility magnesium compounds, 7.5 parts of tert-butoxy aluminium, 2.5 parts of aluminium diethyl monochlorides are added in reaction kettle,
Under the protection of nitrogen atmosphere, be added 50 parts of normal octane solvents and 2 parts of alkyl glycosides into reaction kettle, stirring to being uniformly dispersed,
Then carrier micro mist is added, with 110-120 DEG C of temperature heating reaction 1.5-2.5h；It is after reaction that product is cooling
To room temperature, solid content is obtained by filtration；
(4) by butyl titanate, isopropanol, diethylenetriamines, benzoyl peroxide and α-aminopyridine according to 2:5:1:2:2's
Mass ratio is added in the xylene solvent of 10 times of volumes, is dispersed with stirring to obtain modifying agent, then obtains 50 parts of upper steps
Solid content is added in 150 parts of modifying agent, reaction 45-60min is dispersed with stirring, after then filtering product, with 150-160 DEG C
Temperature drying and processing obtains required cross-linking catalyst.
5. a kind of oil-resisting type rubber composition according to claim 4, it is characterised in that: the high temperature in the step (2)
Reducing atmosphere in furnace is hydrogen, and oxidizing atmosphere is oxygen.
6. a kind of oil-resisting type rubber composition according to claim 4, it is characterised in that: reproducibility in the step (3)
Magnesium compound is one of dimethyl magnesium, dibutylmagnesium, butylmagnesium chloride and butyl magnesium ethylate.
7. a kind of oil-resisting type rubber composition according to claim 1, it is characterised in that: the vulcanizing agent is sulphur and oxygen
Change the mixture that zinc is mixed according to the mass ratio of 3:2.
8. a kind of oil-resisting type rubber composition according to claim 1, it is characterised in that: the coupling agent is vinyl three
Methoxy silane；Reinforcing agent is MT carbon black.
9. a kind of oil-resisting type rubber composition according to claim 1, it is characterised in that: the anti-aging agent is anti-aging agent
One of RD, antioxidant D and antioxidant 264.
10. a kind of oil-resisting type rubber composition described in -9 any one according to claim 1, which is characterized in that the rubber
Composition the preparation method comprises the following steps:
According to mass fraction, mixer is preheated to 60-65 DEG C, then by nitrile rubber, polyurethane rubber, ethylene propylene diene rubber
It is added in mixer with chlorosulfonated polyethylene, starts that cross-linking catalyst, banbury rotating speed 180-220r/ is added when mixing
Min, smelting temperature control are 130-145 DEG C, mixing time 10-14min, and discharge after mixing reduces sizing material temperature
It is put into open mill after to room temperature, calcined kaolin, reinforcing agent, zinc stearate and coupling agent is added, continue to be kneaded 25-
30min, is added vulcanizing agent after mixing and anti-aging agent continues to be kneaded 3-4min, then will obtain sizing material and be sequentially sent to plate
Two sections of vulcanizations are carried out in vulcanizer and baking oven, one step cure condition is 170 DEG C, 10MPa, 15min；Post vulcanization condition are as follows: 190
DEG C, 3h；Required oil-resisting type rubber composition is obtained after vulcanizing treatment.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110144088A (en) * | 2019-06-03 | 2019-08-20 | 伊斯特密封科技（江苏）有限公司 | A kind of new composite rubbers material and preparation method thereof for cable seal |
| CN111117013A (en) * | 2019-12-29 | 2020-05-08 | 河北新尔特橡塑密封有限公司 | Heat-resistant oil-resistant sealing ring and preparation method thereof |
| CN111849178A (en) * | 2020-07-08 | 2020-10-30 | 张海涛 | Reinforcing filling material for rubber damping product |
| CN112980068A (en) * | 2021-03-08 | 2021-06-18 | 上海瀛宏汽车配件有限公司 | Anti-aging rubber composition for automobile parts |
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| CN104725830A (en) * | 2013-12-24 | 2015-06-24 | 梅法洪 | Blend modified rubber material |
| CN105175914A (en) * | 2015-09-02 | 2015-12-23 | 苏州国泰科技发展有限公司 | Vehicle door sealing rubber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725830A (en) * | 2013-12-24 | 2015-06-24 | 梅法洪 | Blend modified rubber material |
| CN105175914A (en) * | 2015-09-02 | 2015-12-23 | 苏州国泰科技发展有限公司 | Vehicle door sealing rubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144088A (en) * | 2019-06-03 | 2019-08-20 | 伊斯特密封科技（江苏）有限公司 | A kind of new composite rubbers material and preparation method thereof for cable seal |
| CN111117013A (en) * | 2019-12-29 | 2020-05-08 | 河北新尔特橡塑密封有限公司 | Heat-resistant oil-resistant sealing ring and preparation method thereof |
| CN111849178A (en) * | 2020-07-08 | 2020-10-30 | 张海涛 | Reinforcing filling material for rubber damping product |
| CN112980068A (en) * | 2021-03-08 | 2021-06-18 | 上海瀛宏汽车配件有限公司 | Anti-aging rubber composition for automobile parts |
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Application publication date: 20181221 |