CN106496688A - A kind of fire-resistant antistatic bearing sealed ring elastomeric material and preparation method thereof - Google Patents
A kind of fire-resistant antistatic bearing sealed ring elastomeric material and preparation method thereof Download PDFInfo
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- CN106496688A CN106496688A CN201610880349.8A CN201610880349A CN106496688A CN 106496688 A CN106496688 A CN 106496688A CN 201610880349 A CN201610880349 A CN 201610880349A CN 106496688 A CN106496688 A CN 106496688A
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- China
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- component
- elastomeric material
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- weight
- sealed ring
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of fire-resistant antistatic bearing sealed ring elastomeric material, which is obtained by the raw material of following weight parts：Nitrile rubber 100 120, white carbon 40 60, conductive mica powder 20 30, zinc oxide 24, sulfur S80 1.5 2.5, antioxidant MB 1.5 2.5, Vulcanization accelerator TMTD 0.3 0.5, MTMS 24, triethanolamine borate 0.5 1, triphenyl phosphite 35, butyl titanate 0.5 1, titanate coupling agent NDZ 401 0.15 0.25, Nano graphite powder 68, Oleum Ricini 46, oleamide 0.5 1.Elastomeric material abrasion resistant effect of the invention is good, antifriction performance is lasting, while with good anti-electrostatic fire retardant performance, long service life, good airproof performance, being suitable for bearing sealed ring elastomeric material.
Description
Technical field
A kind of the present invention relates to technical field of rubber material, more particularly to fire-resistant antistatic bearing sealed ring elastomeric material
And preparation method thereof.
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,
Fire-resistant antistatic 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 fire-resistant antistatic bearing sealed ring elastomeric material, its are obtained by the raw material of following weight parts：
Nitrile rubber 100-120, white carbon 40-60, conductive mica powder 20-30, zinc oxide 2-4, sulfur S80 1.5-2.5 prevent
Old agent MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, MTMS 2-4, triethanolamine borate 0.5-1 are sub-
Triphenyl phosphate 3-5, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-0.25, Nano graphite powder 6-8, castor
Oleum Sesami 4-6, oleamide 0.5-1.
A kind of preparation method of fire-resistant antistatic bearing sealed ring elastomeric material, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon by weight 1:1-1:During 2 add mass fraction for the acetum of 4-6%
Stirring 0.5-1h obtains component 1, then by MTMS by weight 1:5-1:10 are mixed homogeneously with dehydrated alcohol and obtain group
Points 2, component 1 is mixed with component 2 and stirs 2-4h after 40-60 DEG C, cooling, filter, dry after addition conductive mica powder, three second
Hydramine borate, oleamide stir, and be subsequently adding nitrile rubber and 10-15min is blended at a high speed；
（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 fire-resistant antistatic 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；Filler is changed by MTMS
Property, the compatibility and the lubricity of filler and rubber matrix is effectively lifted, so as to lift the anti-wear and wear-resistant performance of material；By upper
State the compound synergic effect of raw material, technique, then the interpolation for being aided with remaining raw material, so as to get elastomeric material abrasion resistant effect good, subtract
Rub consistency of performance, while with good anti-electrostatic fire retardant performance, long service life, good airproof performance, being suitable for bearing seal
Circle elastomeric material.
Specific embodiment
A kind of fire-resistant antistatic bearing sealed ring elastomeric material, is prepared from by the component raw material of following weight (kg)：
Nitrile rubber 100, white carbon 40, conductive mica powder 20, zinc oxide 2, sulfur S80 1.5, antioxidant MB 1.5, accelerator
TMTD 0.3, MTMS 2, triethanolamine borate 0.5, triphenyl phosphite 3, butyl titanate 0.5, metatitanic acid
Ester coupling agent NDZ-401 0.15, Nano graphite powder 6, Oleum Ricini 4, oleamide 0.5.
A kind of preparation method of fire-resistant antistatic bearing sealed ring elastomeric material, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon by weight 1:1 adds stirring in the acetum that mass fraction is 4%
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 conductive mica powder, triethanolamine borate, Oleic acid
Amide stirs, and is subsequently adding 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 fire-resistant antistatic bearing sealed ring rubber material
Material.
Elastomeric material the performance test results obtained above are as follows：
Tensile strength：22.4MPa；
Elongation at break：369%；
Shao Er hardness：74 degree；
Wear volume：0.217cm3/1.61km.
Claims (2)
1. a kind of fire-resistant antistatic bearing sealed ring elastomeric material, it is characterised in which is by the raw material system of following weight parts
?：
Nitrile rubber 100-120, white carbon 40-60, conductive mica powder 20-30, zinc oxide 2-4, sulfur S80 1.5-2.5 prevent
Old agent MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, MTMS 2-4, triethanolamine borate 0.5-1 are sub-
Triphenyl phosphate 3-5, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-0.25, Nano graphite powder 6-8, castor
Oleum Sesami 4-6, oleamide 0.5-1.
2. the preparation method of a kind of fire-resistant antistatic bearing sealed ring elastomeric material according to claim 1, its feature
It is, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon by weight 1:1-1:During 2 add mass fraction for the acetum of 4-6%
Stirring 0.5-1h obtains component 1, then by MTMS by weight 1:5-1:10 are mixed homogeneously with dehydrated alcohol and obtain group
Points 2, component 1 is mixed with component 2 and stirs 2-4h after 40-60 DEG C, cooling, filter, dry after addition conductive mica powder, three second
Hydramine borate, oleamide stir, and be subsequently adding nitrile rubber and 10-15min is blended at a high speed；
（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 fire-resistant antistatic bearing sealed ring
Use elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880349.8A CN106496688A (en) | 2016-10-09 | 2016-10-09 | A kind of fire-resistant antistatic bearing sealed ring elastomeric material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880349.8A CN106496688A (en) | 2016-10-09 | 2016-10-09 | A kind of fire-resistant antistatic bearing sealed ring elastomeric material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106496688A true CN106496688A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610880349.8A Withdrawn CN106496688A (en) | 2016-10-09 | 2016-10-09 | A kind of fire-resistant antistatic bearing sealed ring elastomeric material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115505184A (en) * | 2022-09-23 | 2022-12-23 | 温州大学苍南研究院 | High antistatic and thermal conductive NBR rubber based on titanate coupling agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408907A (en) * | 2001-09-18 | 2003-04-09 | 赫宁 | Non-treatment surface subber roller for drawing frame and combing machine |
| CN101117413A (en) * | 2007-06-26 | 2008-02-06 | 孙振华 | Antistatic rubber cushion |
-
2016
- 2016-10-09 CN CN201610880349.8A patent/CN106496688A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408907A (en) * | 2001-09-18 | 2003-04-09 | 赫宁 | Non-treatment surface subber roller for drawing frame and combing machine |
| CN101117413A (en) * | 2007-06-26 | 2008-02-06 | 孙振华 | Antistatic rubber cushion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115505184A (en) * | 2022-09-23 | 2022-12-23 | 温州大学苍南研究院 | High antistatic and thermal conductive NBR rubber based on titanate coupling agent |
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Application publication date: 20170315 |