CN106496686A - A kind of vibration damping noise control bearing sealed ring elastomeric material and preparation method thereof - Google Patents
A kind of vibration damping noise control bearing sealed ring elastomeric material and preparation method thereof Download PDFInfo
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- CN106496686A CN106496686A CN201610880343.0A CN201610880343A CN106496686A CN 106496686 A CN106496686 A CN 106496686A CN 201610880343 A CN201610880343 A CN 201610880343A CN 106496686 A CN106496686 A CN 106496686A
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- component
- vibration damping
- noise control
- elastomeric material
- damping noise
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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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- 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
- C08K2201/011—Nanostructured additives
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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
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of vibration damping noise control bearing sealed ring elastomeric material, which is obtained by the raw material of following weight parts：Nitrile rubber 100 120, polymethyl methacrylate 35, white carbon 40 60, carbonization rice husk powder 10 15, glass fiber powder 5 10, zinc oxide 24, sulfur S80 1.5 2.5, antioxidant MB 1.5 2.5, Vulcanization accelerator TMTD 0.3 0.5, MTMS 24, double ten four carbon alcohols esters 12, butyl titanate 0.5 1, titanate coupling agent NDZ 401 0.15 0.25, Nano graphite powder 68, Oleum Ricini 46.Elastomeric material abrasion resistant effect of the invention is good, antifriction performance is lasting, while with good vibration damping noise control performance, long service life, good airproof performance are suitable for bearing seal loop material.
Description
Technical field
The present invention relates to technical field of rubber material, more particularly to a kind of vibration damping noise control bearing sealed ring elastomeric material and
Its preparation method.
Background technology
Rubber indispensable important macromolecular material in national economy and daily life as one kind, with excellent
Physical and mechanical propertiess, elasticity and processing characteristics, have other materials difficult in multiple key areas such as Automobile Transportation, mine, chemical industry
With the effect for substituting.Tribological property is a very important index of elastomeric material, is related to the resistance to of rubber tyre product
Mill performance, wearability of sealing member etc..The wearability for improving elastomeric material is conducive to improving its service life, and can save energy
The aspects such as source, material, lubricant bring appreciable economic benefit and social benefit.
At present, it is exactly to add lubrication filler in rubber to improve one of elastomeric material anti-wear performance more effective method,
To reduce the friction factor of elastomeric material.Wherein graphite as a kind of kollag, with environmental protection, stable performance, lubricity
Can be excellent the characteristics of, favored by researcher.CN101463149 passes through nano-graphite lamella suspension system and rubber latex
Or solution is mixed to prepare graphite/rubber composite, coefficient of friction is effectively reduced, and greatly improves the wear-resistant of material
Damage performance.But the hardness of graphite is relatively low, easily it is lost, is unfavorable for maintaining long-term lubrication only with graphite as emollient component
Antifriction performance, the effect for extending rubber service life are limited, it is necessary to make improvements.
Content of the invention
The object of the invention is exactly the defect in order to make up prior art, there is provided a kind of antifriction performance is lasting, abrasion resistant effect is good,
Vibration damping noise control bearing sealed ring elastomeric material of long service life and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of vibration damping noise control bearing sealed ring elastomeric material, which is obtained by the raw material of following weight parts：
Nitrile rubber 100-120, polymethyl methacrylate 3-5, white carbon 40-60, carbonization rice husk powder 10-15, glass fibre
Powder 5-10, zinc oxide 2-4, sulfur S80 1.5-2.5, antioxidant MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, methyl trimethoxy
TMOS 2-4, double ten four carbon alcohols ester 1-2, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-0.25, receives
Rice graphite powder 6-8, Oleum Ricini 4-6.
A kind of preparation method of vibration damping noise control bearing sealed ring elastomeric material, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon, carbonization rice husk powder by weight 1:1-1:2 add mass fraction for 4-6%
Acetum in stir 0.5-1h and obtain component 1, then by MTMS by weight 1:5-1:10 and dehydrated alcohol
Mix homogeneously obtains component 2, by component 1 mix with component 2 after 40-60 DEG C stir 2-4h, cooling, filter, dry after add glass
Glass fiber powder, double ten four carbon alcohols esters stir, and be subsequently adding polymethyl methacrylate, nitrile rubber and 10- is blended at a high speed
15min；
（2）By Nano graphite powder by weight 1:3-1:Stir in 4 addition dehydrated alcohol, add titanate coupling agent
Simultaneously ultrasonic disperse 10-15min obtains suspension to NDZ-401, is eventually adding the water equivalent to suspension volume 1/50-1/40, stirs
Uniform component 3, by butyl titanate by weight 1:10-1:15 are mixed homogeneously with dehydrated alcohol, obtain component 4, by component 4 with
High-speed stirred 10-20min after the mixing of component 3, adds Oleum Ricini and mixes 0.5-1h, remove finally by vacuum distillation eliminating water
Alcohol；
（3）By step（1）In the material that obtains and step（2）In the material mix homogeneously that obtains and on banbury in 120-
140 DEG C of banburying 5-10min, are subsequently adding remaining raw material and 60-80 DEG C of mill 0.5-1h on a mill；
（4）By step（3）In the material that obtains vulcanize 20-30min in 160-180 DEG C, obtain final product vibration damping noise control bearing sealed ring use
Elastomeric material.
It is an advantage of the invention that：
The present invention carries out Surface coating as presoma to Nano graphite powder with butyl titanate, makes Nano graphite powder in friction process
In be difficult to be ground off, effectively improve the abrasion resistance of emollient component；By tridecafluoro-n-octyltriethoxysilane to filler
It is modified, effectively lifts the compatibility and the lubricity of filler and rubber matrix, so as to lift the anti-wear and wear-resistant performance of material；
By above-mentioned raw materials, the compound synergic effect of technique, then the interpolation for being aided with remaining raw material, so as to get elastomeric material abrasion resistant effect
Good, antifriction performance is lasting, while with good vibration damping noise control performance, long service life, good airproof performance, being suitable for bearing close
Seal material.
Specific embodiment
A kind of vibration damping noise control bearing sealed ring elastomeric material, is prepared from by the component raw material of following weight (kg)：
Nitrile rubber 100, polymethyl methacrylate 3, white carbon 40, carbonization rice husk powder 10, glass fiber powder 5, zinc oxide 2,
Sulfur S80 1.5, antioxidant MB 1.5, Vulcanization accelerator TMTD 0.3, MTMS 2, double ten four carbon alcohols esters 1, metatitanic acid
Four butyl esters 0.5, titanate coupling agent NDZ-401 0.15, Nano graphite powder 6, Oleum Ricini 4.
A kind of preparation method of vibration damping noise control bearing sealed ring elastomeric material, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon, carbonization rice husk powder by weight 1:1 addition mass fraction is 4% acetic acid
In solution, stirring 0.5h obtains component 1, then by MTMS by weight 1:5 are mixed homogeneously with dehydrated alcohol and obtain component
2, by component 1 mix with component 2 after 40 DEG C stir 2h, cooling, filter, dry after add glass fiber powder, double ten four carbon alcohols
Ester stirs, and is subsequently adding polymethyl methacrylate, nitrile rubber and 10min is blended at a high speed；
（2）By Nano graphite powder by weight 1:Stir in 3 addition dehydrated alcohol, add titanate coupling agent NDZ-
401 and ultrasonic disperse 10min obtain suspension, are eventually adding the water equivalent to suspension volume 1/50, and stir to obtain component 3,
By butyl titanate by weight 1:10 are mixed homogeneously with dehydrated alcohol, obtain component 4, high-speed stirring after component 4 is mixed with component 3
10min is mixed, and is added Oleum Ricini and is mixed 0.5h, alcohol is removed finally by vacuum distillation eliminating water；
（3）By step（1）In the material that obtains and step（2）In the material mix homogeneously that obtains and on banbury in 120 DEG C
Banburying 5min, is subsequently adding remaining raw material and 60 DEG C of mills 0.5h on a mill；
（4）By step（3）In the material that obtains vulcanize 20min in 160 DEG C, obtain final product vibration damping noise control bearing sealed ring rubber material
Material.
Elastomeric material the performance test results obtained above are as follows：
Tensile strength：23.8MPa；
Elongation at break：342%；
Shao Er hardness：75 degree；
Wear volume：0.239cm3/1.61km.
Claims (2)
1. a kind of vibration damping noise control bearing sealed ring elastomeric material, it is characterised in which is obtained by the raw material of following weight parts：
Nitrile rubber 100-120, polymethyl methacrylate 3-5, white carbon 40-60, carbonization rice husk powder 10-15, glass fibre
Powder 5-10, zinc oxide 2-4, sulfur S80 1.5-2.5, antioxidant MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, methyl trimethoxy
TMOS 2-4, double ten four carbon alcohols ester 1-2, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-0.25, receives
Rice graphite powder 6-8, Oleum Ricini 4-6.
2. the preparation method of a kind of vibration damping noise control bearing sealed ring elastomeric material according to claim 1, its feature exist
In comprising the following steps：
（1）Raw material is weighed by weight, first by white carbon, carbonization rice husk powder by weight 1:1-1:2 add mass fraction for 4-6%
Acetum in stir 0.5-1h and obtain component 1, then by MTMS by weight 1:5-1:10 and dehydrated alcohol
Mix homogeneously obtains component 2, by component 1 mix with component 2 after 40-60 DEG C stir 2-4h, cooling, filter, dry after add glass
Glass fiber powder, double ten four carbon alcohols esters stir, and be subsequently adding polymethyl methacrylate, nitrile rubber and 10- is blended at a high speed
15min；
（2）By Nano graphite powder by weight 1:3-1:Stir in 4 addition dehydrated alcohol, add titanate coupling agent
Simultaneously ultrasonic disperse 10-15min obtains suspension to NDZ-401, is eventually adding the water equivalent to suspension volume 1/50-1/40, stirs
Uniform component 3, by butyl titanate by weight 1:10-1:15 are mixed homogeneously with dehydrated alcohol, obtain component 4, by component 4 with
High-speed stirred 10-20min after the mixing of component 3, adds Oleum Ricini and mixes 0.5-1h, remove finally by vacuum distillation eliminating water
Alcohol；
（3）By step（1）In the material that obtains and step（2）In the material mix homogeneously that obtains and on banbury in 120-
140 DEG C of banburying 5-10min, are subsequently adding remaining raw material and 60-80 DEG C of mill 0.5-1h on a mill；
（4）By step（3）In the material that obtains vulcanize 20-30min in 160-180 DEG C, obtain final product vibration damping noise control bearing sealed ring use
Elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880343.0A CN106496686A (en) | 2016-10-09 | 2016-10-09 | A kind of vibration damping noise control bearing sealed ring elastomeric material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610880343.0A CN106496686A (en) | 2016-10-09 | 2016-10-09 | A kind of vibration damping noise control bearing sealed ring elastomeric material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106496686A true CN106496686A (en) | 2017-03-15 |
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| CN201610880343.0A Withdrawn CN106496686A (en) | 2016-10-09 | 2016-10-09 | A kind of vibration damping noise control bearing sealed ring elastomeric material and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642093A (en) * | 2013-11-01 | 2014-03-19 | 华南理工大学 | Nitrile rubber/modified silica-gel powder blend and preparation method thereof |
| CN105419019A (en) * | 2015-12-15 | 2016-03-23 | 宁国天运橡塑制品有限公司 | Rubber damper for automobiles |
-
2016
- 2016-10-09 CN CN201610880343.0A patent/CN106496686A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642093A (en) * | 2013-11-01 | 2014-03-19 | 华南理工大学 | Nitrile rubber/modified silica-gel powder blend and preparation method thereof |
| CN105419019A (en) * | 2015-12-15 | 2016-03-23 | 宁国天运橡塑制品有限公司 | Rubber damper for automobiles |
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Application publication date: 20170315 |