CN109384983A - A kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof - Google Patents
A kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof Download PDFInfo
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- CN109384983A CN109384983A CN201811272655.9A CN201811272655A CN109384983A CN 109384983 A CN109384983 A CN 109384983A CN 201811272655 A CN201811272655 A CN 201811272655A CN 109384983 A CN109384983 A CN 109384983A
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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
- C08L15/00—Compositions of rubber derivatives
- C08L15/005—Hydrogenated nitrile rubber
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention belongs to aviation field of rubber technology, and in particular to a kind of aviation oil resistant high-low temperature resistant rubber.By weight, the rubber includes following components: 100 parts of hydrogenated nitrile-butadiene rubber, 5~20 parts of zinc oxide, 0.2~2 part of stearic acid, 1~3 part of diphenylamine anti-aging agent, 1~3 part of release agent, 60~120 parts of low structure carbon black, 5~20 parts of liquid nitrile rubber, 5~20 parts of physics plasticizer, 1~10 part of peroxide, 2~5 parts of assistant crosslinking agent.Pass through the reasonable interworking of rubber components system, in addition the introducing of liquid nitrile rubber and the improvement of vulcanizing system, so that having preferable cryogenic property, resistant to many aviation grease while rubber material provided by the present invention is with high temperature resistance, ozone resistance, comprehensive physical performance, processing performance are excellent.
Description
Technical field
The present invention relates to aviation field of rubber technology, and in particular to a kind of aviation oil resistant high-low temperature resistant rubber and its preparation
Method.
Background technique
Nitrile rubber becomes the ideal material of manufacture aviation oil seal articles because its oil resistivity and physical mechanical property are excellent
One of, but its resistance to low temperature is poor.In order to solve the problems, such as that nitrile rubber cryogenic property is poor, conventionally employed low acrylonitrile contains
The nitrile rubber of amount, or be used in combination with the cold resistant rubber that has of the one kind such as such as butadiene rubber, silicon rubber, such settling mode
Undoubtedly reduce the oil resistance of resulting materials.
At the same time, due in nitrile rubber, usually containing the unsaturated bond of suitable content, thus resistance to ozone ability compared with
Difference is easy to happen deterioration by oxidation in for the aeronautical environment with higher ozone concentration, and then leads to its product quick aging
Failure.By the hydrogenated nitrile-butadiene rubber of hydrotreating, for pure nitrile rubber, with the same of good oil resistivity
When, also there is better chemical corrosion resistance and ozone resistance.But resistance to low temperature is still lacking.
However, with the fast development of China's aircraft in recent years, the raising of vehicle flight speeds, height, flight pole
Limit state is also correspondingling increase, and to carry-on material is applied to, higher requirements are also raised.Carry-on sealing ring,
The oil seal products such as gasket are all rubber products, and due to replacing aviation grease of new generation, traditional has nitrile rubber and hydrogen
Change nitrile rubber and cannot completely have been required with the sealing performance of obtained low temperature resistant oil proof oil seal product, to give aircraft
Work bring certain hidden danger.Therefore it is a kind of have more excellent resistance to low temperature, high temperature resistance, oil resistance and
The aviation of ozone resistance is urgently developed with rubber.
Summary of the invention
The present invention provides a kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof, it is therefore intended that passes through rubber group
Sorting is used and the adjustment of compounding mode and its technique, and to solve, existing aviation rubber product is low temperature resistant in use, oil resistant
The problem of performance and ozone resistance deficiency.
The technical solution adopted by the invention is as follows:
A kind of aviation oil resistant high-low temperature resistant rubber, by weight, including following components:
100 parts of hydrogenated nitrile-butadiene rubber, 5~20 parts of zinc oxide, 0.2~2 part of stearic acid, 1~3 part of diphenylamine anti-aging agent,
1~3 part of release agent, 60~120 parts of low structure carbon black, 5~20 parts of liquid nitrile rubber, 5~20 parts of physics plasticizer, peroxidating
1~10 part of object, 2~5 parts of assistant crosslinking agent.
Further, in the hydrogenated nitrile-butadiene rubber, the content of acrylonitrile is 28~42%；The hydrogenated nitrile-butadiene rubber
Mooney viscosity is 50~90, and saturation degree is 90~99%.
Further, in the liquid nitrile rubber, the content of acrylonitrile is 10~45%.Particularly, the liquid fourth
The viscosity of nitrile rubber is 7000~13000pmc.
Further, the CTAB adsorption specific surface area of the low structure carbon black is (10~50) × 103m2/ kg, iodine absorption value are
(10~50) g/kg, oil factor are (30~120) × 10-5m3/kg。
Further, the physics plasticizer is any one of polyesters plasticizer, polyethers plasticizer.
Preferably, the polyesters plasticizer is TP-95；The polyethers plasticizer is TP-90B.
Further, the peroxide is that 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane, peroxidating two are different
Any one of bis- (2- tert butylperoxyisopropyl) benzene of propyl benzene, 1,3-, Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene.
Further, the cross-linking aid is triallyl isocyanurate, trimethylolpropane (2- methacrylic acid)
Ester, zinc acrylate resin, zinc methacrylate, diacrylate thioether, 1,3-BDO dimethylacrylate, tetramethylol methane three
At least one of acrylate, pentaerythritol tetraacrylate.
Based on above-mentioned formula, the present invention also provides a kind of for the resistance to preparation side for having high-low temperature resistant rubber of the aviation
Method, specific as follows:
A kind of preparation method of aviation oil resistant high-low temperature resistant rubber, comprising the following steps: weigh each group by formula rate
Divide stand-by；Then open mill is used, hydrogenated nitrile-butadiene rubber is thin 3~5 times logical, packet roller；Then relax roll spacing and make between two rollers
Have sizing material accumulation, under the revolving speed of 20~30rmp, sequentially add zinc oxide, stearic acid, diphenylamine anti-aging agent, institute it is weighed
45~55wt%, liquid nitrile rubber, remaining low structure carbon black, physics plasticizer, release agent, peroxide in low structure carbon black
Compound and assistant crosslinking agent are blended into uniformly；It finally alternately beats triangle bag 3 times, Bao Tong 3 times, slice is to get a kind of aviation oil resistant
High-low temperature resistant rubber material.
In addition to above-mentioned preparation method, there is high-low temperature resistant rubber with resistance to for the aviation the present invention also provides another
Preparation method, specific as follows:
A kind of preparation method of aviation oil resistant high-low temperature resistant rubber, which comprises the following steps: press recipe ratio
It is stand-by that example weighs each component；Then, hydrogenated nitrile-butadiene rubber is put into mixer, pressurizeed mixing 2~3 minutes；Then again to close
Zinc oxide is put into mill, stearic acid, diphenylamine anti-aging agent, low structure carbon black, liquid nitrile rubber, physics plasticizer, is taken off
After mould agent, pressurizes mixing 8~20 minutes, obtain mixing sizing material；After mixing sizing material is cooled to 50~80 DEG C, open mill is put into, 30
Peroxide and assistant crosslinking agent are added under the revolving speed of~35rmp；Band be kneaded uniformly after, Bao Tong 3~5 this, slice is to get a kind of boat
Sky oil resistant high-low temperature resistant rubber material.
Wherein, preferably, the smelting temperature of pressurization mixing is not less than 130 DEG C, mixing pressure preferably can be 0.4
~0.6MPa.
In the technical program, using material based on hydrogenated nitrile-butadiene rubber, make mixing rubber that there is good ozone resistance
Energy, high temperature resistance；Using reactive plasticizer liquid nitrile rubber as chemical plasticizing agent, there is sizing material when being kneaded good
Good processing performance, while the product after vulcanization has elasticity well.Liquid nitrile rubber is the same as hydrogenated butyronitrile molecular structure phase
Seemingly, compared to general physics plasticizer, oil resistivity is greatly improved, and has preferable compatibility with hydrogenated nitrile-butadiene rubber,
After vulcanization reaction, the two can realize co-vulcanization well, so that liquid nitrile rubber be made to be difficult in the oils contacted
It is extracted, sizing material oil resistance is improved.Liquid nitrile rubber is compared to other reactive plasticizers, obtained rubber material
Oil resistivity improves a lot, and it is excellent to vulcanize processing performance.In addition, the molecular weight of liquid nitrile rubber is low compared with hydrogenated nitrile-butadiene rubber
2~3 orders of magnitude can inhibit hydrogen through liquid nitrile rubber cross-linked graft after vulcanization on the strand of hydrogenated nitrile-butadiene rubber
Change the crystallization of nitrile rubber at low temperature, to improve the cryogenic property of rubber material；Further combined with the increasing of physics plasticizer
Agent is moulded, the low temperature crystallization of rubber can be effectively suppressed, improve the cryogenic property of rubber material.Using diphenylamine anti-aging agent, improve
The ozone resistance and heat resistance of sizing material；Using low structure furnace black as reinforcing filler, sizing material can be made to keep higher stretching
Its oil resistivity is also preferably kept while intensity, low compression set；Using DCP, TAIC, F40P-SP2 etc. mutual
With the peroxide vulcanizing system constituted as vulcanizing system, obtain sizing material compression set performance, high/low temperature elasticity
It is promoted.
In conclusion compared with the prior art, the invention has the advantages that:
By the reasonable interworking of rubber components system, in addition the introducing of liquid nitrile rubber and the improvement of vulcanizing system, sheet
There is preferable cryogenic property, resistant to many aviation oil while invention preferably realizes rubber material with high temperature resistance
Ester, ozone resistance, comprehensive physical performance, processing performance are excellent, suitable to be widely popularized in aviation field.
Specific embodiment
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step
Mode combines.
In the technical program,
Hydrogenated nitrile-butadiene rubber, HNBR carry out a kind of HI SA highly saturated bullet obtained from special hydrotreating as nitrile rubber
Property body.Preferably, hydrogenated nitrile-butadiene rubber used in the technical program, acrylonitrile content is 28~42%, Mooney
Viscosity is 50~90, and saturation degree is 90~99%.
Zinc oxide, chemical formula ZnO are a kind of common rubber reinforcing fillers and activating agent.
Stearic acid, i.e. octadecanoid acid, chemical formula CH3(CH2)16COOH is made by grease hydrolysis, is commonly used for synthetic rubber system
The emulsifier of product.
Diphenylamine anti-aging agent is a kind of based on anti-aging agent obtained by diphenylamines and its derivative, as antioxidant BLE,
Anti-aging agent ODA, antioxidant D FC, anti-aging agent KY-405 etc. have the characteristics that appearance shallow, small toxicity, low-cost.
Release agent can prevent rubber product and die surface from bonding, and can make the smooth depanning of rubber product and will not tear
It splits.By the difference of usage mode, external application type release agent and interior adding type release agent can be divided into.Demoulding employed in the technical program
Agent is but is not limited to Mo get Li 935P release agent.
Low structure carbon black is one of the carbon black by textural classification, it is characterized in that it is formed by primary condensate
Chain branch it is less.Low structure carbon black used in the technical program, CTAB adsorption specific surface area are (10~50) × 103m2/
Kg, iodine absorption value are (10~50) g/kg, and oil factor is (30~120) × 10-5m3/kg。
It is backbone structure that liquid nitrile rubber, which is by butadiene, acrylonitrile, with or without other functional groups, room temperature
It is down in the rubber product of viscous liquid state, average molecular weight is usually below 10000.Liquid employed in the technical program
Body nitrile rubber, acrylonitrile content are 10~45%, and viscosity is 7000~13000pmc.
Physics plasticizer is that one kind by physical action makes the increased rubber agent of rubber plasticity.It is selected in the technical program
Physics plasticizer is the TP-90B of the TP-95 or polyethers plasticizer in polyesters plasticizer.
Peroxide, can be as the vulcanizing agent of the vulcanization of rubber, by releasing free radical to cause rubber macromolecule
Cross-linking reaction is generated between chain, and then rubber is promoted to complete vulcanization.Selected peroxide is 2,5- bis- in the technical program
Bis- (2- tert butylperoxyisopropyl) benzene of methyl -2,5- bis(t-butylperoxy) hexane, cumyl peroxide, 1,3-,
Any one of Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene.
Assistant crosslinking agent can form new cross-linking reaction under the initiation of crosslinking agent, to improve rubber between rubber
Sulphidity, and then improve rubber vulcanization effect.Selected assistant crosslinking agent is triallyl isocyanide urine in the technical program
Acid esters, trimethylolpropane (2- methacrylic acid) ester, zinc acrylate resin, zinc methacrylate, diacrylate thioether, 1,3- fourth two
At least one of alcohol dimethylacrylate, tetramethylol methane triacrylate, pentaerythritol tetraacrylate.
During foregoing description hydrogenated nitrile-butadiene rubber and liquid nitrile rubber, " acrylonitrile content " used is
Refer to average quality accounting of the acrylonitrile in butadiene and the main chain of the be copolymerized formation of acrylonitrile, is also equal to all acrylonitrile lists
Quality accounting of the member in used hydrogenated nitrile-butadiene rubber or liquid nitrile rubber entirety；In addition, this is described for being made
The copolymerization composition of hydrogenated nitrile-butadiene rubber or liquid nitrile rubber is described, and is not intended to acrylonitrile in used hydrogenation
Exist in the form of independent component in nitrile rubber or liquid nitrile rubber.
Embodiment 1
A kind of aviation oil resistant high-low temperature resistant rubber, by weight, including following components:
100 parts of hydrogenated nitrile-butadiene rubber, 13 parts of zinc oxide, 1.1 parts of stearic acid, 2 parts of diphenylamine anti-aging agent, release agent 1.5
Part, 90 parts of low structure carbon black, 13 parts of liquid nitrile rubber, 13 parts of physics plasticizer, 6 parts of peroxide, 4 parts of assistant crosslinking agent.
Wherein, in the hydrogenated nitrile-butadiene rubber, the content of acrylonitrile is 35%；The Mooney viscosity of the hydrogenated nitrile-butadiene rubber
It is 70, saturation degree is 90~99%；
In the liquid nitrile rubber, the content of acrylonitrile is 10~45%；The viscosity of the liquid nitrile rubber is
7000~13000pmc；
The CTAB adsorption specific surface area of the low structure carbon black is 3 × 102m2/ kg, iodine absorption value 30g/kg, oil factor are
7.5×10-4m3/kg；
The physics plasticizer is TP-95.
The peroxide is 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane, cumyl peroxide, 1,3-
Any one of bis- (2- tert butylperoxyisopropyl) benzene, Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene.
The cross-linking aid is triallyl isocyanurate, trimethylolpropane (2- methacrylic acid) ester, acrylic acid
Zinc, zinc methacrylate, diacrylate thioether, 1,3-BDO dimethylacrylate, tetramethylol methane triacrylate,
At least one of pentaerythritol tetraacrylate.
Embodiment 2
A kind of aviation oil resistant high-low temperature resistant rubber, by weight, including following components:
100 parts of hydrogenated nitrile-butadiene rubber, 5 parts of zinc oxide, 0.2 part of stearic acid, 1 part of diphenylamine anti-aging agent, 1 part of release agent,
60 parts of low structure carbon black, 5 parts of liquid nitrile rubber, 5 parts of physics plasticizer, 1 part of peroxide, 2 parts of assistant crosslinking agent.
Wherein, in the hydrogenated nitrile-butadiene rubber, the content of acrylonitrile is 28%；The Mooney viscosity of the hydrogenated nitrile-butadiene rubber
It is 50, saturation degree is 90~99%；
In the liquid nitrile rubber, the content of acrylonitrile is 10%；The viscosity of the liquid nitrile rubber is
7000pmc；
The CTAB adsorption specific surface area of the low structure carbon black is 1 × 102m2/ kg, iodine absorption value 10g/kg, oil factor 3
×10-4m3/kg；
The physics plasticizer is TP-95.
The peroxide is 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane, cumyl peroxide, 1,3-
Any one of bis- (2- tert butylperoxyisopropyl) benzene, Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene.
The cross-linking aid is triallyl isocyanurate, trimethylolpropane (2- methacrylic acid) ester, acrylic acid
Zinc, zinc methacrylate, diacrylate thioether, 1,3-BDO dimethylacrylate, tetramethylol methane triacrylate,
At least one of pentaerythritol tetraacrylate.
Embodiment 3
A kind of aviation oil resistant high-low temperature resistant rubber, by weight, including following components:
It is 100 parts of hydrogenated nitrile-butadiene rubber, 20 parts of zinc oxide, 2 parts of stearic acid, 3 parts of diphenylamine anti-aging agent, 3 parts of release agent, low
120 parts of structure carbon black, 20 parts of liquid nitrile rubber, 20 parts of physics plasticizer, 10 parts of peroxide, 5 parts of assistant crosslinking agent.
Wherein, in the hydrogenated nitrile-butadiene rubber, the content of acrylonitrile is 28~42%；The Mooney of the hydrogenated nitrile-butadiene rubber
Viscosity is 90, and saturation degree is 90~99%；
In the liquid nitrile rubber, the content of acrylonitrile is 45%；The viscosity of the liquid nitrile rubber is
13000pmc；
The CTAB adsorption specific surface area of the low structure carbon black is 5 × 102m2/ kg, iodine absorption value 50g/kg, oil factor are
1.2×10-3m3/kg；
The physics plasticizer is TP-90B.
The peroxide is 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane, cumyl peroxide, 1,3-
Any one of bis- (2- tert butylperoxyisopropyl) benzene, Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene.
The cross-linking aid is triallyl isocyanurate, trimethylolpropane (2- methacrylic acid) ester, acrylic acid
Zinc, zinc methacrylate, diacrylate thioether, 1,3-BDO dimethylacrylate, tetramethylol methane triacrylate,
At least one of pentaerythritol tetraacrylate.
Embodiment 4
In the present embodiment, aviation oil resistant high-low temperature resistant rubber, by weight, including following components,
100 parts of hydrogenated nitrile-butadiene rubber, the trade mark is HNBR ZN35355；5 parts of zinc oxide；0.5 part of stearic acid；Diphenylamine spreads out
445 1.5 parts of biology；2 parts of release agent, specially Mo get Li 935P type release agent；80 parts of low structure carbon black, trade mark N660；TP-
95 15 parts；15 parts of liquid nitrile rubber；3 parts of peroxide F40P-SP2；4 parts of peroxide DCP；Assistant crosslinking agent TAIC 4
Part.
By above-mentioned rubber compounding, preparing aviation using following manner has high-low temperature resistant rubber, specific preparation step with resistance to
It is as follows:
It is stand-by that each component is weighed by formula rate；Then open mill is used, hydrogenated nitrile-butadiene rubber is thin 3~5 times logical, packet
Roller；Then relax roll spacing and make have sizing material accumulation between two rollers, sequentially add zinc oxide, stearic acid, diphenylamine anti-aging agent, institute
45~55wt%, liquid nitrile rubber, remaining low structure carbon black, physics plasticizer, demoulding in weighed low structure carbon black
Agent, peroxide and assistant crosslinking agent are blended into uniformly；It finally alternately beats triangle bag 3 times, Bao Tong 3 times, slice is to get a kind of boat
Sky oil resistant high-low temperature resistant rubber material.Wherein, pressurize mixing smelting temperature not less than 130 DEG C, mixing pressure is 0.5~
0.6MPa。
Embodiment 5
In the present embodiment, aviation oil resistant high-low temperature resistant rubber, by weight, including following components,
100 parts of hydrogenated nitrile-butadiene rubber, the trade mark is HNBR ZN35258；5 parts of zinc oxide；0.5 part of stearic acid；Diphenylamine spreads out
445 1.5 parts of biology；2 parts of release agent, specially Mo get Li 935P type release agent；80 parts of low structure carbon black, trade mark N770；TP-
95 15 parts；15 parts of liquid nitrile rubber；3 parts of peroxide F40P-SP2；4 parts of peroxide DCP；Assistant crosslinking agent TAIC 4
Part.
By above-mentioned rubber compounding, preparing aviation using following manner has high-low temperature resistant rubber, specific preparation step with resistance to
It is as follows:
It is stand-by that each component is weighed by formula rate；Then, hydrogenated nitrile-butadiene rubber is put into mixer, pressurizeed 2~3 points of mixing
Clock；Then zinc oxide, stearic acid, diphenylamine anti-aging agent, low structure carbon black, liquid butyronitrile rubber are put into mixer again
After glue, physics plasticizer, release agent, pressurizes mixing 8~20 minutes, obtain mixing sizing material；After mixing sizing material is cooled to 50~80 DEG C,
Open mill is put into, and peroxide and assistant crosslinking agent is added；Band be kneaded uniformly after, Bao Tong 3~5 this, slice is to get a kind of aviation
With oil resistant high-low temperature resistant rubber material.Wherein, pressurize mixing smelting temperature not less than 130 DEG C, mixing pressure is 0.5~
0.6MPa。
Embodiment 6
In the present embodiment, aviation oil resistant high-low temperature resistant rubber, by weight, including following components,
100 parts of hydrogenated nitrile-butadiene rubber, the trade mark is HNBR ZN43158；5 parts of zinc oxide；0.5 part of stearic acid；Diphenylamine spreads out
445 1.5 parts of biology；2 parts of release agent, specially Mo get Li 935P type release agent；80 parts of low structure carbon black, trade mark N990；TP-
95 15 parts；15 parts of liquid nitrile rubber；3 parts of peroxide F40P-SP2；DCP4 parts of peroxide；TAIC4 parts of assistant crosslinking agent.
By above-mentioned rubber compounding, preparing aviation using following manner has high-low temperature resistant rubber, specific preparation step with resistance to
It is as follows:
It is stand-by that each component is weighed by formula rate；Then, hydrogenated nitrile-butadiene rubber is put into mixer, pressurizeed 2~3 points of mixing
Clock；Then zinc oxide, stearic acid, diphenylamine anti-aging agent, low structure carbon black, liquid butyronitrile rubber are put into mixer again
After glue, physics plasticizer, release agent, pressurizes mixing 8~20 minutes, obtain mixing sizing material；After mixing sizing material is cooled to 50~80 DEG C,
Open mill is put into, and peroxide and assistant crosslinking agent is added；Band be kneaded uniformly after, Bao Tong 3~5 this, slice is to get a kind of aviation
With oil resistant high-low temperature resistant rubber material.Wherein, pressurize mixing smelting temperature not less than 130 DEG C, mixing pressure is 0.5~
0.6MPa。
Aviation obtained by embodiment 4~6 is as follows with the performance test results of oil resistant high-low temperature resistant rubber:
The performance test results statistical form of aviation oil resistant high-low temperature resistant rubber obtained by 1 embodiment 4~6 of table
From above-mentioned the performance test results it is found that the present invention preferably realizes rubber material with the same of high temperature resistance
When, there is preferable cryogenic property, resistant to many aviation grease, ozone resistance, comprehensive physical performance, processing performance are excellent
It is different, suitable for being promoted and applied on a large scale in aviation field.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (10)
1. a kind of aviation oil resistant high-low temperature resistant rubber, which is characterized in that by weight, including following components:
100 parts of hydrogenated nitrile-butadiene rubber, 5~20 parts of zinc oxide, 0.2~2 part of stearic acid, 1~3 part of diphenylamine anti-aging agent, demoulding
1~3 part of agent, 60~120 parts of low structure carbon black, 5~20 parts of liquid nitrile rubber, 5~20 parts of physics plasticizer, peroxide 1
~10 parts, 2~5 parts of assistant crosslinking agent.
2. a kind of aviation according to claim 1 oil resistant high-low temperature resistant rubber, it is characterised in that: the hydrogenated butyronitrile rubber
In glue, acrylonitrile content is 28~42%；The Mooney viscosity of the hydrogenated nitrile-butadiene rubber be 50~90, saturation degree be 90~
99%.
3. a kind of aviation according to claim 1 oil resistant high-low temperature resistant rubber, it is characterised in that: the liquid butyronitrile rubber
In glue, acrylonitrile content is 10~45%.
4. a kind of aviation according to claim 1 oil resistant high-low temperature resistant rubber, it is characterised in that: the low structure carbon black
CTAB adsorption specific surface area be (10~50) × 103m2/ kg, iodine absorption value are (10~50) g/kg, and oil factor is (30~120)
×10-5m3/kg。
5. a kind of aviation according to claim 1 oil resistant high-low temperature resistant rubber, it is characterised in that: the physics plasticising
Agent is any one of polyesters plasticizer, polyethers plasticizer.
6. a kind of aviation according to claim 5 oil resistant high-low temperature resistant rubber, it is characterised in that: the polyesters plasticising
Agent is TP-95；The polyethers plasticizer is TP-90B.
7. a kind of aviation according to claim 1 oil resistant high-low temperature resistant rubber, it is characterised in that: the peroxide is
Bis- (the 2- t-butylperoxy isopropyls of 2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes, cumyl peroxide, 1,3-
Base) benzene, any one of Isosorbide-5-Nitrae dual-tert-butyl peroxy isopropyl base benzene.
8. a kind of aviation according to claim 1 oil resistant high-low temperature resistant rubber, it is characterised in that: the cross-linking aid is
Triallyl isocyanurate, trimethylolpropane (2 monomethyl acrylic acid) ester, zinc acrylate resin, zinc methacrylate, two propylene
Sour thioether, 1,3-BDO dimethylacrylate, tetramethylol methane triacrylate, in pentaerythritol tetraacrylate
It is at least one.
9. a kind of preparation method of aviation according to any one of claims 1 to 8 oil resistant high-low temperature resistant rubber, feature exist
In, comprising the following steps: it is stand-by that each component is weighed by formula rate；Then use open mill, by hydrogenated nitrile-butadiene rubber it is thin by logical 3~
5 times, packet roller；Then relax roll spacing and make have sizing material accumulation between two rollers, it is anti-to sequentially add zinc oxide, stearic acid, diphenylamine
Old agent, 45~55wt%, liquid nitrile rubber, remaining low structure carbon black, physics plasticising in weighed low structure carbon black
Agent, release agent, peroxide and assistant crosslinking agent are blended into uniformly；Finally alternately beat triangle bag 3 times, Bao Tong 3 times, slice to get
A kind of aviation oil resistant high-low temperature resistant rubber material.
10. a kind of preparation method of aviation according to any one of claims 1 to 8 oil resistant high-low temperature resistant rubber, feature exist
In, comprising the following steps: it is stand-by that each component is weighed by formula rate；Then, hydrogenated nitrile-butadiene rubber is put into mixer, pressurizeed close
Refining 2~3 minutes；Then zinc oxide, stearic acid, diphenylamine anti-aging agent, low structure carbon black, liquid are put into mixer again
After nitrile rubber, physics plasticizer, release agent, pressurizes mixing 8~20 minutes, obtain mixing sizing material；Mixing sizing material is cooled to 50~
After 80 DEG C, open mill is put into, and peroxide and assistant crosslinking agent is added；Band be kneaded uniformly after, Bao Tong 3~5 this, slice to get
A kind of aviation oil resistant high-low temperature resistant rubber material.
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| CN201811272655.9A CN109384983A (en) | 2018-10-29 | 2018-10-29 | A kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof |
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| CN201811272655.9A CN109384983A (en) | 2018-10-29 | 2018-10-29 | A kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof |
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| CN201811272655.9A Pending CN109384983A (en) | 2018-10-29 | 2018-10-29 | A kind of aviation oil resistant high-low temperature resistant rubber and preparation method thereof |
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| CN112980067A (en) * | 2021-03-01 | 2021-06-18 | 深圳市鑫华煦橡胶制品有限公司 | Temperature-resistant hydrogenated nitrile rubber |
| CN113563649A (en) * | 2021-07-06 | 2021-10-29 | 中裕软管科技股份有限公司 | Oil-resistant high-low temperature-resistant rubber, preparation method thereof and rubber hose |
| CN113773765A (en) * | 2021-09-02 | 2021-12-10 | 科顺防水科技股份有限公司 | Butyl pressure-sensitive adhesive and pre-paved waterproof roll applying same |
| CN114085440A (en) * | 2021-11-24 | 2022-02-25 | 东南大学 | Slurry-resistant SHF2Mud (M type) sheath for NEK606 oil platform |
| CN114230886A (en) * | 2021-12-21 | 2022-03-25 | 常州朗博密封科技股份有限公司 | Foaming-resistant HNBR rubber material for shaft seal and preparation method thereof |
| CN114426717A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Vulcanized composition for preparing hydrogenated nitrile rubber and application thereof, and hydrogenated nitrile rubber and preparation method and application thereof |
| CN114621507A (en) * | 2021-04-28 | 2022-06-14 | 山东东都汽车部件股份有限公司 | Low-temperature-resistant high-performance sealing material and preparation method thereof |
| CN115304840A (en) * | 2022-08-19 | 2022-11-08 | 福建佰易科技有限公司 | Preparation method of supercritical foaming hydrogenated nitrile rubber |
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| CN111004420A (en) * | 2019-11-07 | 2020-04-14 | 中国船舶重工集团公司第七二五研究所 | Low-temperature-resistant salt-fog-resistant rubber sealing material and preparation method thereof |
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| CN114426717B (en) * | 2020-10-12 | 2023-10-10 | 中国石油化工股份有限公司 | Vulcanized composition for preparing hydrogenated nitrile rubber and application thereof, hydrogenated nitrile rubber and preparation method and application thereof |
| CN112980067A (en) * | 2021-03-01 | 2021-06-18 | 深圳市鑫华煦橡胶制品有限公司 | Temperature-resistant hydrogenated nitrile rubber |
| CN114621507A (en) * | 2021-04-28 | 2022-06-14 | 山东东都汽车部件股份有限公司 | Low-temperature-resistant high-performance sealing material and preparation method thereof |
| CN113563649A (en) * | 2021-07-06 | 2021-10-29 | 中裕软管科技股份有限公司 | Oil-resistant high-low temperature-resistant rubber, preparation method thereof and rubber hose |
| CN113773765A (en) * | 2021-09-02 | 2021-12-10 | 科顺防水科技股份有限公司 | Butyl pressure-sensitive adhesive and pre-paved waterproof roll applying same |
| CN114085440A (en) * | 2021-11-24 | 2022-02-25 | 东南大学 | Slurry-resistant SHF2Mud (M type) sheath for NEK606 oil platform |
| CN114085440B (en) * | 2021-11-24 | 2022-08-05 | 东南大学 | Slurry-resistant SHF2Mud (M type) sheath for NEK606 oil platform |
| CN114230886A (en) * | 2021-12-21 | 2022-03-25 | 常州朗博密封科技股份有限公司 | Foaming-resistant HNBR rubber material for shaft seal and preparation method thereof |
| CN114230886B (en) * | 2021-12-21 | 2023-04-25 | 常州朗博密封科技股份有限公司 | Foaming-resistant HNBR (nitrile butadiene rubber) sizing material for shaft seal and preparation method thereof |
| CN115304840A (en) * | 2022-08-19 | 2022-11-08 | 福建佰易科技有限公司 | Preparation method of supercritical foaming hydrogenated nitrile rubber |
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