CN106496804A - High flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification and preparation method thereof - Google Patents
High flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification and preparation method thereof Download PDFInfo
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- CN106496804A CN106496804A CN201610880345.XA CN201610880345A CN106496804A CN 106496804 A CN106496804 A CN 106496804A CN 201610880345 A CN201610880345 A CN 201610880345A CN 106496804 A CN106496804 A CN 106496804A
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- alkenyl succinic
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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
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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)
Abstract
The invention discloses a kind of high flexible weather strip for automobile elastomeric material of alkenyl succinic acid anhydride modification, which is obtained by the raw material of following weight parts：Ethylene propylene diene rubber 100 120, white carbon 40 60, crystal whisker of gypsum 35, alkenyl succinic anhydride 24, zinc oxide 24, sulfur S80 1.5 2.5, antioxidant MB 1.5 2.5, Vulcanization accelerator TMTD 0.3 0.5, MTMS 35, sodium stearoyl lactate 0.3 0.5, polyvinyl butyral resin 0.5 1, butyl titanate 0.5 1, titanate coupling agent NDZ 401 0.15 0.25, Nano graphite powder 68, Oleum Ricini 20 30.Elastomeric material abrasion resistant effect of the invention is good, antifriction performance is lasting, while with excellent pliability, there is long service life, good airproof performance as automobile sealed strip material.
Description
Technical field
The present invention relates to technical field of rubber material, more particularly to a kind of alkenyl succinic acid anhydride modification is high flexible automobile sealed
Slat gum 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,
High flexible weather strip for automobile elastomeric material of the alkenyl succinic acid anhydride modification of long service life and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of high flexible weather strip for automobile elastomeric material of alkenyl succinic acid anhydride modification, which is obtained by the raw material of following weight parts：
Ethylene propylene diene rubber 100-120, white carbon 40-60, crystal whisker of gypsum 3-5, alkenyl succinic anhydride 2-4, zinc oxide 2-4, sulfur
Sulphur S80 1.5-2.5, antioxidant MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, MTMS 3-5, stearoyl
Sodium lactate 0.3-0.5, polyvinyl butyral resin 0.5-1, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-
0.25, Nano graphite powder 6-8, Oleum Ricini 20-30.
A kind of preparation method of the high flexible weather strip for automobile elastomeric material of alkenyl succinic acid anhydride modification, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon, crystal whisker of gypsum by weight 1:1-1:2 add mass fraction for 4-6%'s
In acetum, stirring 0.5-1h obtains component 1, then by MTMS by weight 1:5-1:10 are mixed with dehydrated alcohol
Close uniform component 2, component 1 mixed with component 2 and stirs 2-4h after 40-60 DEG C, cooling, filter, dry after addition Hard Fat
Acyl lactylate stirs, and is subsequently adding alkenyl succinic anhydride and ethylene propylene diene rubber is blended at a high speed 10-15min；
（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 high flexible automobile sealed slat gum
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 be aided with the raw materials such as alkenyl succinic anhydride interpolation modified, so as to get elastomeric material
Abrasion resistant effect is good, antifriction performance is lasting, while with excellent pliability, there is service life as automobile sealed strip material
The long, advantage of good airproof performance.
Specific embodiment
A kind of high flexible weather strip for automobile elastomeric material of alkenyl succinic acid anhydride modification, by the component raw material of following weight (kg)
It is prepared from：
Ethylene propylene diene rubber 100, white carbon 40, crystal whisker of gypsum 3, alkenyl succinic anhydride 2, zinc oxide 2, sulfur S80 1.5 are prevented old
Agent MB 1.5, Vulcanization accelerator TMTD 0.3, MTMS 3, sodium stearoyl lactate 0.3, polyvinyl butyral resin 0.5,
Butyl titanate 0.5, titanate coupling agent NDZ-401 0.15, Nano graphite powder 6, Oleum Ricini 20.
A kind of preparation method of the high flexible weather strip for automobile elastomeric material of alkenyl succinic acid anhydride modification, comprises the following steps：
（1）Raw material is weighed by weight, first by white carbon, crystal whisker of gypsum by weight 1:1 acetic acid for adding mass fraction to be 4% is molten
In liquid, 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 sodium stearoyl lactate stir, so
Add alkenyl succinic anhydride and ethylene propylene diene rubber that 10min is blended at a high speed afterwards；
（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 flexible weather strip for automobile elastomeric material.
Elastomeric material the performance test results obtained above are as follows：
Tensile strength：16.2MPa；
Elongation at break：490%；
Shao Er hardness：65 degree；
Wear volume：0.321cm3/1.61km.
Claims (2)
1. the high flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification, it is characterised in which is by following weight
The raw material of part is obtained：
Ethylene propylene diene rubber 100-120, white carbon 40-60, crystal whisker of gypsum 3-5, alkenyl succinic anhydride 2-4, zinc oxide 2-4, sulfur
Sulphur S80 1.5-2.5, antioxidant MB 1.5-2.5, Vulcanization accelerator TMTD 0.3-0.5, MTMS 3-5, stearoyl
Sodium lactate 0.3-0.5, polyvinyl butyral resin 0.5-1, butyl titanate 0.5-1, titanate coupling agent NDZ-401 0.15-
0.25, Nano graphite powder 6-8, Oleum Ricini 20-30.
2. the preparation side of the high flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification according to claim 1
Method, it is characterised in that comprise the following steps：
（1）Raw material is weighed by weight, first by white carbon, crystal whisker of gypsum by weight 1:1-1:2 add mass fraction for 4-6%'s
In acetum, stirring 0.5-1h obtains component 1, then by MTMS by weight 1:5-1:10 are mixed with dehydrated alcohol
Close uniform component 2, component 1 mixed with component 2 and stirs 2-4h after 40-60 DEG C, cooling, filter, dry after addition Hard Fat
Acyl lactylate stirs, and is subsequently adding alkenyl succinic anhydride and ethylene propylene diene rubber is blended at a high speed 10-15min；
（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 high flexible automobile sealed slat gum
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880345.XA CN106496804A (en) | 2016-10-09 | 2016-10-09 | High flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880345.XA CN106496804A (en) | 2016-10-09 | 2016-10-09 | High flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106496804A true CN106496804A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610880345.XA Withdrawn CN106496804A (en) | 2016-10-09 | 2016-10-09 | High flexible weather strip for automobile elastomeric material of a kind of alkenyl succinic acid anhydride modification and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553865A (en) * | 2018-10-31 | 2019-04-02 | 长沙市佳密封件有限公司 | A kind of high-strength high temperature-resistant carbon seal ring |
| CN116675912A (en) * | 2023-08-01 | 2023-09-01 | 唐山东亚重工装备集团有限公司 | High-wear-resistance rubber material and preparation method and application thereof |
Citations (2)
| 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 |
| CN105111597A (en) * | 2015-08-28 | 2015-12-02 | 苏州国泰科技发展有限公司 | Rubber material for automobile sealing strips and preparation method thereof |
-
2016
- 2016-10-09 CN CN201610880345.XA patent/CN106496804A/en not_active Withdrawn
Patent Citations (2)
| 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 |
| CN105111597A (en) * | 2015-08-28 | 2015-12-02 | 苏州国泰科技发展有限公司 | Rubber material for automobile sealing strips and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109553865A (en) * | 2018-10-31 | 2019-04-02 | 长沙市佳密封件有限公司 | A kind of high-strength high temperature-resistant carbon seal ring |
| CN116675912A (en) * | 2023-08-01 | 2023-09-01 | 唐山东亚重工装备集团有限公司 | High-wear-resistance rubber material and preparation method and application thereof |
| CN116675912B (en) * | 2023-08-01 | 2023-10-24 | 唐山东亚重工装备集团有限公司 | High-wear-resistance rubber material and preparation method and application thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170315 |