CN106496809A - A kind of waterproof anti-corrosion weather strip for automobile elastomeric material and preparation method thereof - Google Patents

A kind of waterproof anti-corrosion weather strip for automobile elastomeric material and preparation method thereof Download PDF

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Publication number
CN106496809A
CN106496809A CN201610880437.8A CN201610880437A CN106496809A CN 106496809 A CN106496809 A CN 106496809A CN 201610880437 A CN201610880437 A CN 201610880437A CN 106496809 A CN106496809 A CN 106496809A
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component
elastomeric material
waterproof anti
weight
weather strip
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CN201610880437.8A
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闻承岳
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/16Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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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)

Abstract

The invention discloses a kind of waterproof anti-corrosion weather strip for automobile elastomeric material, which is obtained by the raw material of following weight parts:Ethylene propylene diene rubber 100 120, white carbon 40 60, zinc oxide 24, sulfur S80 1.5 2.5, antioxidant MB 1.5 2.5, Vulcanization accelerator TMTD 0.3 0.5, zinc naphthenate 0.5 1, MTMS 35, petroleum sodium sulfonate 0.3 0.5, butyl titanate 0.5 1, titanate coupling agent NDZ 401 0.15 0.25, Nano graphite powder 68, polytetrafluoroethylwax wax micropowder 12, Oleum Ricini 15 25, hydroxy terminated fluorosilicone oil 35.Elastomeric material abrasion resistant effect of the invention is good, antifriction performance is lasting, while with good waterproof anti-corrosion performance, there is long service life, good airproof performance as automobile sealed strip material.

Description

A kind of waterproof anti-corrosion weather strip for automobile elastomeric material and preparation method thereof
Technical field
The present invention relates to technical field of rubber material, more particularly to a kind of waterproof anti-corrosion weather strip for automobile 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, Waterproof anti-corrosion weather strip for automobile elastomeric material of long service life and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of waterproof anti-corrosion weather strip for automobile elastomeric material, its are obtained by the raw material of following weight parts:
Ethylene propylene diene rubber 100-120, white carbon 40-60, zinc oxide 2-4, sulfur S80 1.5-2.5, antioxidant MB 1.5- 2.5, Vulcanization accelerator TMTD 0.3-0.5, zinc naphthenate 0.5-1, MTMS 3-5, petroleum sodium sulfonate 0.3-0.5, titanium Four butyl ester 0.5-1 of acid, titanate coupling agent NDZ-401 0.15-0.25, Nano graphite powder 6-8, polytetrafluoroethylwax wax micropowder 1- 2, Oleum Ricini 15-25, hydroxy terminated fluorosilicone oil 3-5.
A kind of preparation method of waterproof anti-corrosion weather strip for automobile 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 add petroleum sodium sulfonate to stir Uniformly, it is subsequently adding ethylene propylene diene 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 Component 3 mix after high-speed stirred 10-20min, add Oleum Ricini, hydroxy terminated fluorosilicone oil and mix 0.5-1h, finally by subtracting Pressure distillation eliminating water removes 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 waterproof anti-corrosion weather strip for automobile 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 waterproof anti-corrosion performance, there is long service life, sealing as automobile sealed strip material The good advantage of property.
Specific embodiment
A kind of waterproof anti-corrosion weather strip for automobile elastomeric material, is prepared from by the component raw material of following weight (kg):
Ethylene propylene diene rubber 100, white carbon 40, zinc oxide 2, sulfur S80 1.5, antioxidant MB 1.5, Vulcanization accelerator TMTD 0.3, Zinc naphthenate 0.5, MTMS 3, petroleum sodium sulfonate 0.3, butyl titanate 0.5, titanate coupling agent NDZ-401 0.15, Nano graphite powder 6, polytetrafluoroethylwax wax micropowder 1, Oleum Ricini 15, hydroxy terminated fluorosilicone oil 3.
A kind of preparation method of waterproof anti-corrosion weather strip for automobile 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 petroleum sodium sulfonate stir, be subsequently adding ternary EP rubbers is blended at a high speed 10min;
(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, hydroxy terminated fluorosilicone oil 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 the automobile sealed slat gum material of waterproof anti-corrosion Material.
Elastomeric material the performance test results obtained above are as follows:
Tensile strength:15.0MPa;
Elongation at break:454%;
Shao Er hardness:65 degree;
Wear volume:0.310cm3/1.61km.

Claims (2)

1. a kind of waterproof anti-corrosion weather strip for automobile elastomeric material, it is characterised in which is obtained by the raw material of following weight parts:
Ethylene propylene diene rubber 100-120, white carbon 40-60, zinc oxide 2-4, sulfur S80 1.5-2.5, antioxidant MB 1.5- 2.5, Vulcanization accelerator TMTD 0.3-0.5, zinc naphthenate 0.5-1, MTMS 3-5, petroleum sodium sulfonate 0.3-0.5, titanium Four butyl ester 0.5-1 of acid, titanate coupling agent NDZ-401 0.15-0.25, Nano graphite powder 6-8, polytetrafluoroethylwax wax micropowder 1- 2, Oleum Ricini 15-25, hydroxy terminated fluorosilicone oil 3-5.
2. the preparation method of a kind of waterproof anti-corrosion weather strip for automobile 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 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 add petroleum sodium sulfonate to stir Uniformly, it is subsequently adding ethylene propylene diene 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 Component 3 mix after high-speed stirred 10-20min, add Oleum Ricini, hydroxy terminated fluorosilicone oil and mix 0.5-1h, finally by subtracting Pressure distillation eliminating water removes 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 waterproof anti-corrosion weather strip for automobile Elastomeric material.
CN201610880437.8A 2016-10-09 2016-10-09 A kind of waterproof anti-corrosion weather strip for automobile elastomeric material and preparation method thereof Withdrawn CN106496809A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112980100A (en) * 2021-03-01 2021-06-18 深圳市鑫华煦橡胶制品有限公司 Wear-resistant ethylene propylene diene monomer rubber and preparation method thereof
CN113652031A (en) * 2021-08-20 2021-11-16 福州福强精密有限公司 Low-compression permanent deformation low-temperature-resistant EPDM (ethylene-propylene-diene monomer) sealing strip as well as preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104744933A (en) * 2015-03-14 2015-07-01 芜湖众力部件有限公司 Acid and alkali corrosion resistant connector
CN105419186A (en) * 2015-12-30 2016-03-23 崇夕山 Shaft end O-shaped sealing ring with compression permanent deformation resistance
CN105462021A (en) * 2015-12-09 2016-04-06 安徽创奇乐智能游乐设备有限公司 Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104744933A (en) * 2015-03-14 2015-07-01 芜湖众力部件有限公司 Acid and alkali corrosion resistant connector
CN105462021A (en) * 2015-12-09 2016-04-06 安徽创奇乐智能游乐设备有限公司 Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite
CN105419186A (en) * 2015-12-30 2016-03-23 崇夕山 Shaft end O-shaped sealing ring with compression permanent deformation resistance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112980100A (en) * 2021-03-01 2021-06-18 深圳市鑫华煦橡胶制品有限公司 Wear-resistant ethylene propylene diene monomer rubber and preparation method thereof
CN113652031A (en) * 2021-08-20 2021-11-16 福州福强精密有限公司 Low-compression permanent deformation low-temperature-resistant EPDM (ethylene-propylene-diene monomer) sealing strip as well as preparation method and application thereof

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Application publication date: 20170315

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