CN104962017B - It is a kind of for fluorubber of high temperature oil sealing and preparation method thereof - Google Patents

It is a kind of for fluorubber of high temperature oil sealing and preparation method thereof Download PDF

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CN104962017B
CN104962017B CN201510401958.6A CN201510401958A CN104962017B CN 104962017 B CN104962017 B CN 104962017B CN 201510401958 A CN201510401958 A CN 201510401958A CN 104962017 B CN104962017 B CN 104962017B
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parts
fluorubber
high temperature
oil sealing
rubber
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CN104962017A (en
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马小鹏
朱代贵
胡华南
金义福
张清红
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Jacobs (anhui) Seal Technology Co Ltd
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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
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • 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
    • 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
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

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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)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a kind of fluorubber for high temperature oil sealing, its raw material includes by weight：100 parts of fluorubber, 10 15 parts of chlorohydrin rubber, 20 30 parts of hydrogenated nitrile-butadiene rubber, 15 25 parts of ethylene propylene diene rubber, 40 50 parts of calcium silicates, 10 15 parts of boron carbide fibre, 10 15 parts of channel black, 5 10 parts of nano yttrium oxide, 25 35 parts of magnesia, 8 12 parts of aerosil, 5 parts of silane coupler KH7922,1,1.5 3 parts of 1 pair (t-butyl peroxy) 3,3,5 trimethyl-cyclohexane, 24 parts of triethylamine, 57 parts of ZnOw, 10 15 parts of processing aid.The invention also discloses the preparation method of the above-mentioned fluorubber for high temperature oil sealing.Gained fluorubber of the invention has excellent high temperature resistant, resistant to chemical media, wear-resisting performance, it is adaptable to the oil sealing of automobile dynamic system.

Description

It is a kind of for fluorubber of high temperature oil sealing and preparation method thereof
Technical field
The present invention relates to high temperature oil closure material technical field, more particularly to a kind of fluorubber and its system for high temperature oil sealing Preparation Method.
Background technology
Recently as the pollution of environment, greenhouse effects aggravation, people want to automobile dynamic system high efficiency, low energy consumption Also more and more higher is sought, for the discharge of the toxic gases such as carbon monoxide in reduction vehicle exhaust, the interior running environment temperature of engine Degree be will increase further, and the use environment temperature of in-engine sealing system is also further improved.
Oil sealing in dynamical system, elastomeric material can produce macromolecular fracture in high temperature environments, so that material Hydraulic performance decline, elasticity is deteriorated, and seizes power reduction.Macromolecular chain is because containing unsaturated double in the ACM that tradition is used Key, at high operating temperatures, double bond are easily more destroyed than singly-bound, can not meet in dynamical system and elastomeric material is wanted Ask.Fluorubber material substitution ACM is now used, because macromolecular chain is saturation singly-bound in fluorubber, is resistant to higher Temperature and more chemical mediators, add the resistance to elevated temperatures of oil seal product.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of fluorubber and its system for high temperature oil sealing Preparation Method, gained fluorubber has excellent high temperature resistant, resistant to chemical media, wear-resisting performance, it is adaptable to automobile dynamic system Oil sealing.
A kind of fluorubber for high temperature oil sealing proposed by the present invention, its raw material includes by weight：100 parts of fluorubber, 10-15 parts of chlorohydrin rubber, 20-30 parts of hydrogenated nitrile-butadiene rubber, 15-25 parts of ethylene propylene diene rubber, 40-50 parts of calcium silicates, boron carbide 10-15 parts of fiber, 10-15 parts of channel black, 5-10 parts of nano yttrium oxide, 25-35 parts of magnesia, aerosil 8-12 Part, 2-5 parts of silane coupler KH792,1,1- double-(t-butyl peroxy) -3,3,5- 1.5-3 parts of trimethyl-cyclohexanes, triethylamine 2-4 parts, 5-7 parts of ZnOw, 10-15 parts of processing aid.
Preferably, processing aid includes by weight：2-4 parts of cumenyl phosphate, tetraphenyl Resorcinol diphosphate 3-6 parts of ester, 2,4,5- 4-5 parts of trichlorine benzene sulfonic acid sodium salts, 1.5-2.5 parts of silicone flame retardant, 2-3 parts of age resistor.
Preferably, the ethylene propylene ratio in ethylene propylene diene rubber is 4:1.
Preferably, chlorohydrin rubber is homopolymerization type chlorohydrin rubber.
Preferably, its raw material includes by weight：100 parts of fluorubber, 11-13 parts of chlorohydrin rubber, hydrogenated nitrile-butadiene rubber 22- 28 parts, 17-23 parts of ethylene propylene diene rubber, 44-46 parts of calcium silicates, 12-14 parts of boron carbide fibre, 12-14 parts of channel black, nanometer 8-9 parts of yittrium oxide, 28-32 parts of magnesia, 9-10 parts of aerosil, 3-4 parts of silane coupler KH792,1,1- double-(uncle Butyl peroxy) -3,3,5- 2-2.3 parts of trimethyl-cyclohexanes, 2.8-3.4 parts of triethylamine, 5.8-6.7 parts of ZnOw, processing 11-13 parts of auxiliary agent.
The preparation method for the above-mentioned fluorubber for high temperature oil sealing that the present invention is also proposed, including：By silane coupler KH792, which is added to the water, obtains first material, will boron carbide fibre add first material in infiltration 1-2h after, add calcium silicates, Channel black, nano yttrium oxide, magnesia and aerosil stir, and are dried to obtain Modification reinforcing agent；Then Fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber are added in kneading machine, 80-90 DEG C is warming up to, stirring is equal After even, sequentially add Modification reinforcing agent, processing aid, triethylamine and ZnOw and stir, then add 1, 1- pairs-(t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes stir, and add in mould, are warming up to 170-180 DEG C, insulation After 1-2h, then it is warming up to the fluorubber obtained after 215-220 DEG C, insulation 2-5h for high temperature oil sealing.
Preferably, including：Silane coupler KH792 is added to the water and obtains first material, boron carbide fibre is added the Infiltrated in one material after 1.3-1.7h, add calcium silicates, channel black, nano yttrium oxide, magnesia and aerosil Stir, be dried to obtain Modification reinforcing agent；Then by fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene-propylene-diene monomer Glue is added in kneading machine, is warming up to 82-88 DEG C, after stirring, is sequentially added Modification reinforcing agent, processing aid, three Ethamine and ZnOw stir, and then add 1,1- pairs-(t-butyl peroxy) -3, and the stirring of 3,5- trimethyl-cyclohexanes is equal It is even, add in mould, be warming up to 174-178 DEG C, obtained after insulation 1.4-1.8h, then after being warming up to 216-218 DEG C, insulation 3-4h Fluorubber for high temperature oil sealing.
The present invention is used based on fluorubber, is added chlorohydrin rubber, hydrogenated nitrile-butadiene rubber and ethylene propylene diene rubber and is total to Mixed modification is as major ingredient, because C-F keys are more stable relative to C-C keys in fluorubber, makes fluorubber performance stable, with excellent High temperature resistant, oil resistant, anti-wear performance, and chlorohydrin rubber, hydrogenated nitrile-butadiene rubber and ethylene propylene diene rubber are due to the saturated structures of itself, The high temperature resistant and oil resistance of fluorubber can be further enhanced, and can also have good resistance to ozone, weather resistance, simultaneously Major ingredient density is relatively low, can largely accommodate packing strengthening agent, so as to reduce cost, improves anti-wear performance；And use calcium silicates, carbon Change boron fibre, channel black, nano yttrium oxide, magnesia, aerosil as packing strengthening agent, disperse in major ingredient Afterwards, with the rise of temperature, the agglomerate grain of packing strengthening agent can hinder diffusion of the oil molecule in major ingredient, reduce Oil medium is to the erosion effect of major ingredient rubber molecular chain, so that the oil resistance of the present invention is improved, and packing strengthening agent is normal Often heat insulation under temperature, can reduce the thermal conductivity of the present invention, so as to effectively lift the resistance to elevated temperatures of the present invention；Fill and mend simultaneously Strong agent and major ingredient mating reaction, make rubber molecule absorption on the particle surface of packing strengthening agent, so that the intensity of rubber is improved, Improving wearability, and be adsorbed in the rubber molecular chain of packing strengthening agent has certain mobility, under stress, can be Slip is produced on packing strengthening agent surface, redistributes stress in material, it is to avoid stress concentration, the resistance to of lip rubber can be increased Grind performance, it is ensured that lip is interference fitted with axle；And the addition of triethylamine and ZnOw, improve the soda acid of raw material of the present invention Property, make vulcanizing agent 1,1- pairs-(t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes can be effectively promoted major ingredient and crosslink instead Should, and crosslinking degree can be improved, so as to improve the high temperature resistant of the present invention, oil resistant, anti-wear performance；Processing aid includes different simultaneously Propyl phenyl phosphate, tetraphenyl resorcinol diphosphate, 2,4,5- trichlorine benzene sulfonic acid sodium salts, silicone flame retardant, age resistor, wherein Cumenyl phosphate, tetraphenyl resorcinol diphosphate are used cooperatively as plasticizer, substantially increase the easy of the present invention Processing stage, and cumenyl phosphate, tetraphenyl resorcinol diphosphate can also be as fire retardants, with 2,4,5- trichloro-benzenes Sodium sulfonate, silicone flame retardant are used cooperatively, and substantially increase fire resistance of the present invention, very suitable for environment used in oil sealing Preferably.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of fluorubber for high temperature oil sealing proposed by the present invention, its raw material includes by weight：100 parts of fluorubber, 10 parts of chlorohydrin rubber, 30 parts of hydrogenated nitrile-butadiene rubber, 15 parts of ethylene propylene diene rubber, 50 parts of calcium silicates, 10 parts of boron carbide fibre, channel process 15 parts of carbon black, 5 parts of nano yttrium oxide, 35 parts of magnesia, 8 parts of aerosil, 5 parts of silane coupler KH792,1,1- pair- (t-butyl peroxy) -3,3,5- 1.5 parts of trimethyl-cyclohexanes, 4 parts of triethylamine, 5 parts of ZnOw, 15 parts of processing aid.
Wherein, processing aid includes by weight：3.5 parts of cumenyl phosphate, tetraphenyl resorcinol diphosphate 4 Part, 2,4,5- 4.6 parts of trichlorine benzene sulfonic acid sodium salts, 1.8 parts of silicone flame retardant, 2.8 parts of age resistor.
The preparation method for the above-mentioned fluorubber for high temperature oil sealing that the present invention is also proposed, including：By silane coupler KH792, which is added to the water, obtains first material, and boron carbide fibre is added in first material and infiltrated after 1h, calcium silicates, groove is added Method carbon black, nano yttrium oxide, magnesia and aerosil stir, and are dried to obtain Modification reinforcing agent；Then will Fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber are added in kneading machine, are warming up to 90 DEG C, after stirring, Modification reinforcing agent, processing aid, triethylamine and ZnOw is sequentially added to stir, then add 1,1- it is double- (t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes stir, and add in mould, are warming up to after 170 DEG C, insulation 2h, then rise Temperature obtains the fluorubber for high temperature oil sealing to 215 DEG C after insulation 5h.
Embodiment 2
A kind of fluorubber for high temperature oil sealing proposed by the present invention, its raw material includes by weight：100 parts of fluorubber, 15 parts of chlorohydrin rubber, 20 parts of hydrogenated nitrile-butadiene rubber, 25 parts of ethylene propylene diene rubber, 40 parts of calcium silicates, 15 parts of boron carbide fibre, channel process 10 parts of carbon black, 10 parts of nano yttrium oxide, 25 parts of magnesia, 12 parts of aerosil, 2 parts of silane coupler KH792,1,1- Double-(t-butyl peroxy) -3,3,5- 3 parts of trimethyl-cyclohexanes, 2 parts of triethylamine, 7 parts of ZnOw, 10 parts of processing aid.
Wherein, processing aid includes by weight：2.5 parts of cumenyl phosphate, tetraphenyl resorcinol diphosphate 5 Part, 2,4,5- 4.3 parts of trichlorine benzene sulfonic acid sodium salts, 2.2 parts of silicone flame retardant, 2.6 parts of age resistor.
The preparation method for the above-mentioned fluorubber for high temperature oil sealing that the present invention is also proposed, including：By silane coupler KH792, which is added to the water, obtains first material, will boron carbide fibre add first material in infiltration 1.7h after, add calcium silicates, Channel black, nano yttrium oxide, magnesia and aerosil stir, and are dried to obtain Modification reinforcing agent；Then Fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber are added in kneading machine, 82 DEG C is warming up to, stirs Afterwards, Modification reinforcing agent, processing aid, triethylamine and ZnOw are sequentially added to stir, 1,1- is then added Double-(t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes stir, and add in mould, are warming up to after 178 DEG C, insulation 1.4h, The fluorubber obtained after 218 DEG C, insulation 3h for high temperature oil sealing is warming up to again.
Embodiment 3
A kind of fluorubber for high temperature oil sealing proposed by the present invention, its raw material includes by weight：100 parts of fluorubber, 11 parts of chlorohydrin rubber, 28 parts of hydrogenated nitrile-butadiene rubber, 17 parts of ethylene propylene diene rubber, 46 parts of calcium silicates, 12 parts of boron carbide fibre, channel process 14 parts of carbon black, 8 parts of nano yttrium oxide, 32 parts of magnesia, 9 parts of aerosil, 4 parts of silane coupler KH792,1,1- pair- (t-butyl peroxy) -3,3,5- 2 parts of trimethyl-cyclohexanes, 3.4 parts of triethylamine, 5.8 parts of ZnOw, 13 parts of processing aid.
Wherein, processing aid includes by weight：2 parts of cumenyl phosphate, tetraphenyl resorcinol diphosphate 6 Part, 2,4,5- 4 parts of trichlorine benzene sulfonic acid sodium salts, 2.5 parts of silicone flame retardant, 2 parts of age resistor.
The preparation method for the above-mentioned fluorubber for high temperature oil sealing that the present invention is also proposed, including：By silane coupler KH792, which is added to the water, obtains first material, will boron carbide fibre add first material in infiltration 1.3h after, add calcium silicates, Channel black, nano yttrium oxide, magnesia and aerosil stir, and are dried to obtain Modification reinforcing agent；Then Fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber are added in kneading machine, 88 DEG C is warming up to, stirs Afterwards, Modification reinforcing agent, processing aid, triethylamine and ZnOw are sequentially added to stir, 1,1- is then added Double-(t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes stir, and add in mould, are warming up to after 174 DEG C, insulation 1.8h, The fluorubber obtained after 216 DEG C, insulation 4h for high temperature oil sealing is warming up to again.
Embodiment 4
A kind of fluorubber for high temperature oil sealing proposed by the present invention, its raw material includes by weight：100 parts of fluorubber, 13 parts of chlorohydrin rubber, 22 parts of hydrogenated nitrile-butadiene rubber, 23 parts of ethylene propylene diene rubber, 44 parts of calcium silicates, 14 parts of boron carbide fibre, channel process 12 parts of carbon black, 9 parts of nano yttrium oxide, 28 parts of magnesia, 10 parts of aerosil, 3 parts of silane coupler KH792,1,1- Double-(t-butyl peroxy) -3,3,5- 2.3 parts of trimethyl-cyclohexanes, 2.8 parts of triethylamine, 6.7 parts of ZnOw, processing aid 11 parts.
Wherein, processing aid includes by weight：4 parts of cumenyl phosphate, tetraphenyl resorcinol diphosphate 3 Part, 2,4,5- 5 parts of trichlorine benzene sulfonic acid sodium salts, 1.5 parts of silicone flame retardant, 3 parts of age resistor.
The preparation method for the above-mentioned fluorubber for high temperature oil sealing that the present invention is also proposed, including：By silane coupler KH792, which is added to the water, obtains first material, and boron carbide fibre is added in first material and infiltrated after 2h, calcium silicates, groove is added Method carbon black, nano yttrium oxide, magnesia and aerosil stir, and are dried to obtain Modification reinforcing agent；Then will Fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber are added in kneading machine, are warming up to 80 DEG C, after stirring, Modification reinforcing agent, processing aid, triethylamine and ZnOw is sequentially added to stir, then add 1,1- it is double- (t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes stir, and add in mould, are warming up to after 180 DEG C, insulation 1h, then rise Temperature obtains the fluorubber for high temperature oil sealing to 220 DEG C after insulation 2h.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (5)

1. a kind of fluorubber for high temperature oil sealing, it is characterised in that its raw material includes by weight：100 parts of fluorubber, chloropharin 10-15 parts of rubber, 20-30 parts of hydrogenated nitrile-butadiene rubber, 15-25 parts of ethylene propylene diene rubber, 40-50 parts of calcium silicates, boron carbide fibre 10-15 parts, 10-15 parts of channel black, 5-10 parts of nano yttrium oxide, 25-35 parts of magnesia, 8-12 parts of aerosil, silicon 2-5 parts of alkane coupling agent KH792,1,1- double-(t-butyl peroxy) -3,3,5- 1.5-3 parts of trimethyl-cyclohexanes, triethylamine 2-4 Part, 5-7 parts of ZnOw, 10-15 parts of processing aid；
Processing aid includes by weight：2-4 parts of cumenyl phosphate, 3-6 parts of tetraphenyl resorcinol diphosphate, 2,4, 4-5 parts of 5- trichlorine benzene sulfonic acid sodium salts, 1.5-2.5 parts of silicone flame retardant, 2-3 parts of age resistor；
Preparing the method for the fluorubber for high temperature oil sealing includes：Silane coupler KH792 is added to the water and obtains first Material, boron carbide fibre is added in first material and infiltrated after 1-2h, calcium silicates, channel black, nano yttrium oxide, oxygen is added Change magnesium and aerosil stirs, be dried to obtain Modification reinforcing agent；Then by fluorubber, chlorohydrin rubber, hydrogenation Nitrile rubber, ethylene propylene diene rubber are added in kneading machine, are warming up to 80-90 DEG C, after stirring, are sequentially added Modification Reinforcing agent, processing aid, triethylamine and ZnOw stir, and then add 1,1- pairs-(t-butyl peroxy) -3,3,5- Trimethyl-cyclohexane stirs, and adds in mould, is warming up to 170-180 DEG C, after insulation 1-2h, then is warming up to 215-220 DEG C, The fluorubber for high temperature oil sealing is obtained after insulation 2-5h.
2. it is used for the fluorubber of high temperature oil sealing according to claim 1, it is characterised in that the ethylene propylene in ethylene propylene diene rubber Alkene ratio is 4:1.
3. the fluorubber according to claim 1 or claim 2 for high temperature oil sealing, it is characterised in that chlorohydrin rubber is homopolymerization type chlorine Hydrin rubber.
4. the fluorubber according to claim 1 or claim 2 for high temperature oil sealing, it is characterised in that its raw material includes by weight： 100 parts of fluorubber, 11-13 parts of chlorohydrin rubber, 22-28 parts of hydrogenated nitrile-butadiene rubber, 17-23 parts of ethylene propylene diene rubber, calcium silicates 44- 46 parts, 12-14 parts of boron carbide fibre, 12-14 parts of channel black, 8-9 parts of nano yttrium oxide, 28-32 parts of magnesia, gas phase dioxy 9-10 parts of SiClx, 3-4 parts of silane coupler KH792,1,1- double-(t-butyl peroxy) -3,3,5- trimethyl-cyclohexane 2-2.3 Part, 2.8-3.4 parts of triethylamine, 5.8-6.7 parts of ZnOw, 11-13 parts of processing aid.
5. it is used for the fluorubber of high temperature oil sealing according to claim 1, it is characterised in that for high temperature oil sealing described in preparing The method of fluorubber includes：Silane coupler KH792 is added to the water and obtains first material, boron carbide fibre is added into the first thing Infiltrated in material after 1.3-1.7h, add calcium silicates, channel black, nano yttrium oxide, magnesia and aerosil stirring Uniformly, it is dried to obtain Modification reinforcing agent；Then fluorubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber are added Enter in kneading machine, be warming up to 82-88 DEG C, after stirring, sequentially add Modification reinforcing agent, processing aid, triethylamine Stirred with ZnOw, then add 1,1- pairs-(t-butyl peroxy) -3,3,5- trimethyl-cyclohexanes stir, Add in mould, be warming up to 174-178 DEG C, used after insulation 1.4-1.8h, then after being warming up to 216-218 DEG C, insulation 3-4h In the fluorubber of high temperature oil sealing.
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Publication number Priority date Publication date Assignee Title
CN103012892A (en) * 2012-11-25 2013-04-03 安徽六方重联机械股份有限公司 Automobile framework oil seal rubber and preparation method thereof

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CN104072817A (en) * 2014-06-12 2014-10-01 安徽安尔达机电有限公司 High-performance rubber sealing material for water pump
CN104109296A (en) * 2014-07-14 2014-10-22 宁国市日格美橡塑制品有限公司 Water-tolerant oil-resistant rubber material

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Publication number Priority date Publication date Assignee Title
CN103012892A (en) * 2012-11-25 2013-04-03 安徽六方重联机械股份有限公司 Automobile framework oil seal rubber and preparation method thereof

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