CN106519459A - High-temperature-resistant anti-aging rubber material used for hot-water valve seal ring and preparation method thereof - Google Patents
High-temperature-resistant anti-aging rubber material used for hot-water valve seal ring and preparation method thereof Download PDFInfo
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- CN106519459A CN106519459A CN201610880454.1A CN201610880454A CN106519459A CN 106519459 A CN106519459 A CN 106519459A CN 201610880454 A CN201610880454 A CN 201610880454A CN 106519459 A CN106519459 A CN 106519459A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a high-temperature-resistant anti-aging rubber material used for a hot-water valve seal ring. The rubber material is composed of the following raw materials in parts by weight: 100 to 120 parts of EPDM rubber, 5 to 10 parts of bismaleimide resin, 1 to 2 parts of terpene resin, 60 to 80 parts of white carbon black, 2 to 4 parts of zinc oxide, 1.5 to 2.5 parts of sulfur S80, 1.5 to 2.5 parts of an anti-aging agent MB, 0.3 to 0.5 part of an accelerator TMTD, 2 to 4 parts of methyltrimethoxysilane, 0.3 to 0.5 part of rosin-polythylene oxide ester, 0.5 to 1 part of tetrabutyl titanate, 0.15 to 0.25 part of a titanate coupling agent NDZ-401, 6 to 8 parts of nanometer graphite powder, 4 to 6 parts of castor oil and 0.3 to 0.5 part of trinonylphenyl phosphite. The rubber material provided by the invention has the advantages of good wear-resistant effect, durable antifriction performance, good high-temperature-resistant and anti-aging performances, long service life, good sealing properties, and applicability to hot-water valve seal ring materials.
Description
Technical field
The present invention relates to technical field of rubber material, more particularly to a kind of high temperature resistant anti-aging hot-water valve sealing ring uses rubber
Glue 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 various 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 is by by 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.
The content of the invention
The object of the invention is exactly for the defect for making up prior art, there is provided a kind of antifriction performance is lasting, abrasion resistant effect is good,
High temperature resistant anti-aging hot-water valve sealing ring elastomeric material of long service life and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of high temperature resistant anti-aging hot-water valve sealing ring elastomeric material, which is obtained by the raw material of following weight parts：
Ethylene propylene diene rubber 100-120, bimaleimide resin 5-10, terpene resin 1-2, white carbon 60-80, Zinc Oxide 2-
4, sulfur S80 1.5-2.5, antioxidant MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, MTMS 2-4, pine
Fragrant acid polyoxyethylene ester 0.3-0.5, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-0.25, nano-graphite
Powder 6-8, Oleum Ricini 4-6, trisnonyl phenyl phosphite 0.3-0.5.
A kind of preparation method of high temperature resistant anti-aging hot-water valve sealing ring elastomeric material, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon by weight 1:1-1:2 add mass fraction in 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, be dried after addition rosin acid Polyethylene oxide
Ester stirs, and is subsequently adding ethylene propylene diene rubber, bimaleimide resin, terpene resin blending 10-15min 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
It is uniform to obtain 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 high temperature resistant anti-aging hot-water valve
Sealing ring elastomeric material.
It is an advantage of the invention that：
The present invention carries out Surface coating by presoma of butyl titanate to Nano graphite powder, 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 addition for being aided with remaining raw material, so as to get elastomeric material abrasion resistant effect it is good, subtract
Rub consistency of performance, while with good high temperature resistant anti ageing property, long service life, good airproof performance, being suitable for hot water valve
Door sealing loop material.
Specific embodiment
A kind of high temperature resistant anti-aging hot-water valve sealing ring elastomeric material, is prepared by the component raw material of following weight (kg)
Form：
Ethylene propylene diene rubber 100, bimaleimide resin 5, terpene resin 1, white carbon 60, Zinc Oxide 2, sulfur S80 1.5,
Antioxidant MB 1.5, Vulcanization accelerator TMTD 0.3, MTMS 2, polyoxylethylene abietate 0.3, butyl titanate
0.5, titanate coupling agent NDZ-401 0.15, Nano graphite powder 6, Oleum Ricini 4, trisnonyl phenyl phosphite 0.3.
A kind of preparation method of high temperature resistant anti-aging hot-water valve sealing 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, be dried after add polyoxylethylene abietate stir, Ran Houjia
Enter ethylene propylene diene rubber, bimaleimide resin, terpene resin blending 10min 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 high temperature resistant anti-aging hot-water valve sealing ring use
Elastomeric material.
Elastomeric material the performance test results obtained above are as follows：
Tensile strength：23.7MPa；
Elongation at break：390%；
Shao Er hardness：72 degree；
Wear volume：0.279cm3/1.61km。
Claims (2)
1. a kind of high temperature resistant anti-aging hot-water valve sealing ring elastomeric material, it is characterised in which is by following weight parts
Raw material is obtained：
Ethylene propylene diene rubber 100-120, bimaleimide resin 5-10, terpene resin 1-2, white carbon 60-80, Zinc Oxide 2-
4, sulfur S80 1.5-2.5, antioxidant MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, MTMS 2-4, pine
Fragrant acid polyoxyethylene ester 0.3-0.5, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-0.25, nano-graphite
Powder 6-8, Oleum Ricini 4-6, trisnonyl phenyl phosphite 0.3-0.5.
2. the preparation method of a kind of high temperature resistant anti-aging hot-water valve sealing ring elastomeric material according to claim 1,
Characterized in that, comprising the following steps：
（1）Raw material is weighed by weight, first by white carbon by weight 1:1-1:2 add mass fraction in 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, be dried after addition rosin acid Polyethylene oxide
Ester stirs, and is subsequently adding ethylene propylene diene rubber, bimaleimide resin, terpene resin blending 10-15min 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
It is uniform to obtain 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 high temperature resistant anti-aging hot-water valve
Sealing ring elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880454.1A CN106519459A (en) | 2016-10-09 | 2016-10-09 | High-temperature-resistant anti-aging rubber material used for hot-water valve seal ring and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880454.1A CN106519459A (en) | 2016-10-09 | 2016-10-09 | High-temperature-resistant anti-aging rubber material used for hot-water valve seal ring and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106519459A true CN106519459A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610880454.1A Withdrawn CN106519459A (en) | 2016-10-09 | 2016-10-09 | High-temperature-resistant anti-aging rubber material used for hot-water valve seal ring and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206757A (en) * | 2018-10-31 | 2019-01-15 | 长沙市佳密封件有限公司 | A kind of EPT rubber packing circle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608037A (en) * | 2008-06-21 | 2009-12-23 | 比亚迪股份有限公司 | A kind of sponge rubber composition and preparation method thereof |
| CN103601933A (en) * | 2013-10-28 | 2014-02-26 | 安徽祈艾特电子科技有限公司 | Oil-resistant anticorrosive rubber sealing ring for capacitor and preparation method thereof |
| CN103613798A (en) * | 2013-10-28 | 2014-03-05 | 蚌埠市鸿安精密机械有限公司 | Special nitrile rubber sealing ring for capacitor, and making method thereof |
| CN103613796A (en) * | 2013-10-28 | 2014-03-05 | 安徽祈艾特电子科技有限公司 | Oil-resistant anticorrosive capacitor rubber sealing ring and making method thereof |
-
2016
- 2016-10-09 CN CN201610880454.1A patent/CN106519459A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608037A (en) * | 2008-06-21 | 2009-12-23 | 比亚迪股份有限公司 | A kind of sponge rubber composition and preparation method thereof |
| CN103601933A (en) * | 2013-10-28 | 2014-02-26 | 安徽祈艾特电子科技有限公司 | Oil-resistant anticorrosive rubber sealing ring for capacitor and preparation method thereof |
| CN103613798A (en) * | 2013-10-28 | 2014-03-05 | 蚌埠市鸿安精密机械有限公司 | Special nitrile rubber sealing ring for capacitor, and making method thereof |
| CN103613796A (en) * | 2013-10-28 | 2014-03-05 | 安徽祈艾特电子科技有限公司 | Oil-resistant anticorrosive capacitor rubber sealing ring and making method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109206757A (en) * | 2018-10-31 | 2019-01-15 | 长沙市佳密封件有限公司 | A kind of EPT rubber packing circle |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20170322 |