CN105860393A - Low-compression-set rubber material for automobile transmission oil seal and preparing method thereof - Google Patents

Low-compression-set rubber material for automobile transmission oil seal and preparing method thereof Download PDF

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Publication number
CN105860393A
CN105860393A CN201610414951.2A CN201610414951A CN105860393A CN 105860393 A CN105860393 A CN 105860393A CN 201610414951 A CN201610414951 A CN 201610414951A CN 105860393 A CN105860393 A CN 105860393A
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Prior art keywords
parts
resistance
rubber
mixing
rubber material
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Pending
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CN201610414951.2A
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Chinese (zh)
Inventor
徐良建
张群
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Huainan Caoan Runlong Plastic Co Ltd
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Huainan Caoan Runlong Plastic Co Ltd
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Priority to CN201610414951.2A priority Critical patent/CN105860393A/en
Publication of CN105860393A publication Critical patent/CN105860393A/en
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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
    • C08L29/00—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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/10—Homopolymers or copolymers of unsaturated ethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention discloses a low-compression-set rubber material for an automobile transmission oil seal and a preparing method thereof. The rubber material is prepared from, by weight, 54-66 parts of perfluoroelastomer, 42-58 parts of acrylic rubber, 27-43 parts of butadiene rubber, 18-29 parts of purple carbon black, 4-7 parts of dibenzoyl peroxide, 16-28 parts of dacron pulp, 3-6 parts of 4,5-epoxycyclohexane-1,2-dicarboxylic acid diglycidyl ester, 12-18 parts of flocking powder, 10-15 parts of nano boron fiber, 5-8 parts of polyamide wax micro powder, 14-22 parts of nano-zirconia, 3-5 parts of aluminum acrylate, 2-3 parts of 2-dibutylamino-4,6-dimercapto-s-triazine, 3-4 parts of zinc oxide, 6-12 parts of pine tar and 3-5 parts of auxiliary. The properties including aging resistance, oil resistance, abrasion resistance, ultraviolet light resistance, ozone resistance and fatigue resistance of the material can be improved.

Description

A kind of automobile gearbox oil sealing low compression set elastomeric material and preparation thereof Method
Technical field
The present invention relates to a kind of automobile gearbox oil sealing low compression set elastomeric material and preparation method thereof, belong to Field of rubber materials.
Background technology
Rubber is with natural and that synthetic rubber is as raw material production various rubbers, also includes utilizing scrap rubber again The rubber produced.Rubber is of a great variety, and physical and mechanical properties is good, elastic high, is widely used in various zero of automobile Part, including tire, sebific duct, transmission band, sealing article, yielding rubber part and security article etc., the rubber that an automobile uses Glue accessory has 100-200 kind, quantity up to 200-500 more than.In recent years, along with the fast development of auto industry, to rubber The performance requirement of goods is more and more higher, existing market get on the car change speed gear box oil sealing elastomeric material compression set performance more Carry out the demand more coming to meet market, shorten its service life.Therefore, a kind of automobile gearbox oil sealing of exploitation it is badly in need of with low Compression set elastomeric material.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of automobile gearbox oil sealing low compression set Deformable rubber material and preparation method thereof.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of automobile gearbox oil sealing low compression set elastomeric material, is made up of the raw material of following weight portion: complete Fluoroether rubber 54-66, acrylate rubber 42-58, butadiene rubber 27-43, green energy purple white carbon black 18-29, dibenzoyl peroxide 4-7, terylene pulp 16-28,4,5-7-oxa-bicyclo[4.1.0-1,2-dioctyl phthalate 2-glycidyl ester 3-6, fine hair powder 12-18, nanometer boron Fiber 10-15, polyamide wax micropowder 5-8, nano zircite 14-22, acrylic acid aluminum 3-5,2-dibutylamine-4,6 two mercaptan are equal Triazine 2-3, zinc oxide 3-4, pine tar 6-12, auxiliary agent 3-5；
Described auxiliary agent is made up of the raw material of following weight portion: nanometer palygorskite 8-14,2-mercaptobenzothiazole 3-6,2,2'- Dibenzamidodiphenyl disulfide 2-4, ferrocene 1-3, bamboo charcoal powder 4-8, zinc ricinate 1-3, m-xylene diamine 5- 7, zeolite molecular sieve 10-15, PCMX 6-9, N nitrosodiphenyl amine 3-5, super Telloy 7-11,2-sulfydryl benzene And imidazoles 2-4,2,2,4-trimethyl-1,2-dihyaroquinoline polymer 1.5-2.5.
The preparation method of a kind of automobile gearbox oil sealing low compression set elastomeric material, comprises the following steps:
(1) by perfluoroelastomers, acrylate rubber, butadiene rubber, polyamide wax micropowder, 4,5-7-oxa-bicyclo[4.1.0-1, 2-dioctyl phthalate 2-glycidyl ester adds in banbury, and plasticate at 60-70 DEG C 10-15min, parks more than 8h, discharging；
(2) sizing material that obtains of step (1) being plasticated adds in mill thin logical 2-3 time, then tunes up roll spacing, allows sizing material bag Roller, after glue-line is uniform, adds zinc oxide, acrylic acid aluminum, 2-dibutylamine-4,6 two mercaptan s-triazine, terylene pulp, nanometer Zirconium oxide, adjustment roll spacing is 1-2mm, and roller temperature is 55-65 DEG C, mixing 12-18min, is subsequently adding remaining raw material, adjusts roll spacing and is 2-3mm, roller temperature is 50-60 DEG C, and mixing 10-15min parks 10-15h, discharging；
(3) being sent on vulcanizing press vulcanize by mixing for step (2) sizing material obtained, one step cure condition is (145-170 DEG C) × (30-40min), post vulcanization condition is (230-250 DEG C) × (2-4h).
Beneficial effects of the present invention:
The present invention on the basis of being main sizing material with perfluoroelastomers, acrylate rubber, butadiene rubber, the fine hair of interpolation The raw materials such as powder, nanometer boron fibre, terylene pulp, can significantly reduce the compression set of material and improve the high temperature resistant of material Property so that the compression set of material remains at less than 15%, even if the most also can keep good elasticity, adds Add green can the raw material such as purple white carbon black, polyamide wax micropowder, nano zircite, the resistance to ag(e)ing of material, oil resistivity, resistance to can be improved The performance such as mill property, ultraviolet resistance, ozone resistance, fatigue resistance.
Detailed description of the invention
Embodiment
A kind of automobile gearbox oil sealing low compression set elastomeric material, is made up of the raw material of following weight (kg): Perfluoroelastomers 62, acrylate rubber 54, butadiene rubber 38, green energy purple white carbon black 25, dibenzoyl peroxide 6, terylene pulp 24,4,5-7-oxa-bicyclo[4.1.0-1,2-dioctyl phthalate 2-glycidyl ester 4.5, fine hair powder 16, nanometer boron fibre 12, polyamide wax are micro- Powder 7, nano zircite 17, acrylic acid aluminum 4,2-dibutylamine-4,6 two mercaptan s-triazine 2.5, zinc oxide 3.5, pine tar 9, help Agent 4.
Described auxiliary agent is made up of the raw material of following weight (kg): nanometer palygorskite 10,2-mercaptobenzothiazole 4,2,2'-bis- Benzamido diphenyl disulfide 3, ferrocene 1.5, bamboo charcoal powder 5, zinc ricinate 2, m-xylene diamine 6, zeolite molecules Sieve 11, PCMX 7, N nitrosodiphenyl amine 4, super Telloy 8,2-mercaptobenzimidazole 3,2,2,4-front three Base-1,2-dihyaroquinoline polymer 2.
The preparation method of a kind of automobile gearbox oil sealing low compression set elastomeric material, comprises the following steps:
(1) by perfluoroelastomers, acrylate rubber, butadiene rubber, polyamide wax micropowder, 4,5-7-oxa-bicyclo[4.1.0-1, 2-dioctyl phthalate 2-glycidyl ester adds in banbury, and plasticate at 60-70 DEG C 10-15min, parks more than 8h, discharging；
(2) sizing material that obtains of step (1) being plasticated adds in mill thin logical 2-3 time, then tunes up roll spacing, allows sizing material bag Roller, after glue-line is uniform, adds zinc oxide, acrylic acid aluminum, 2-dibutylamine-4,6 two mercaptan s-triazine, terylene pulp, nanometer Zirconium oxide, adjustment roll spacing is 1-2mm, and roller temperature is 55-65 DEG C, mixing 12-18min, is subsequently adding remaining raw material, adjusts roll spacing and is 2-3mm, roller temperature is 50-60 DEG C, and mixing 10-15min parks 10-15h, discharging；
(3) being sent on vulcanizing press vulcanize by mixing for step (2) sizing material obtained, one step cure condition is (145-170 DEG C) × (30-40min), post vulcanization condition is (230-250 DEG C) × (2-4h).
The performance test results of the elastomeric material that above-described embodiment prepares is as shown in the table:
The table 1 automobile gearbox oil sealing main performance testing result of low compression set elastomeric material
。

Claims (2)

1. an automobile gearbox oil sealing low compression set elastomeric material, it is characterised in that former by following weight portion Material is made: perfluoroelastomers 54-66, acrylate rubber 42-58, butadiene rubber 27-43, green energy purple white carbon black 18-29, mistake Oxidation dibenzoyl 4-7, terylene pulp 16-28,4,5-7-oxa-bicyclo[4.1.0-1,2-dioctyl phthalate 2-glycidyl ester 3-6, floss MAOFEN 12-18, nanometer boron fibre 10-15, polyamide wax micropowder 5-8, nano zircite 14-22, acrylic acid aluminum 3-5,2-bis- Butylamine-4,6 two mercaptan s-triazine 2-3, zinc oxide 3-4, pine tar 6-12, auxiliary agent 3-5；
Described auxiliary agent is made up of the raw material of following weight portion: nanometer palygorskite 8-14,2-mercaptobenzothiazole 3-6,2,2'-bis- Benzamido diphenyl disulfide 2-4, ferrocene 1-3, bamboo charcoal powder 4-8, zinc ricinate 1-3, m-xylene diamine 5-7, zeolite molecular sieve 10-15, PCMX 6-9, N nitrosodiphenyl amine 3-5, super Telloy 7-11,2- Mercaptobenzimidazole 2-4,2,2,4-trimethyl-1,2-dihyaroquinoline polymer 1.5-2.5.
The preparation method of automobile gearbox oil sealing low compression set elastomeric material the most according to claim 1, its It is characterised by, comprises the following steps:
(1) by perfluoroelastomers, acrylate rubber, butadiene rubber, polyamide wax micropowder, 4,5-7-oxa-bicyclo[4.1.0-1,2-two Formic acid 2-glycidyl ester adds in banbury, and plasticate at 60-70 DEG C 10-15min, parks more than 8h, discharging；
(2) sizing material that obtains of step (1) being plasticated adds in mill thin logical 2-3 time, then tunes up roll spacing, allows sizing material bag roller, Until glue-line uniformly after, add zinc oxide, acrylic acid aluminum, 2-dibutylamine-4,6 two mercaptan s-triazine, terylene pulp, nano oxidized Zirconium, adjustment roll spacing is 1-2mm, and roller temperature is 55-65 DEG C, mixing 12-18min, is subsequently adding remaining raw material, and adjustment roll spacing is 2- 3mm, roller temperature is 50-60 DEG C, and mixing 10-15min parks 10-15h, discharging；
(3) being sent on vulcanizing press vulcanize by mixing for step (2) sizing material obtained, one step cure condition is (145- 170 DEG C) × (30-40min), post vulcanization condition is (230-250 DEG C) × (2-4h).
CN201610414951.2A 2016-06-06 2016-06-06 Low-compression-set rubber material for automobile transmission oil seal and preparing method thereof Pending CN105860393A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738519A (en) * 2016-11-24 2017-05-31 中国航空工业集团公司北京航空材料研究院 A kind of method for improving peroxide cure fluoroether rubber product apparent mass
CN111117121A (en) * 2019-12-29 2020-05-08 河北新尔特橡塑密封有限公司 Heat-shrinkage-resistant sealing ring and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592701A (en) * 2015-01-30 2015-05-06 柳州市颖航汽配有限公司 Oil seal material for automobile gearbox and preparation method of oil seal material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592701A (en) * 2015-01-30 2015-05-06 柳州市颖航汽配有限公司 Oil seal material for automobile gearbox and preparation method of oil seal material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106738519A (en) * 2016-11-24 2017-05-31 中国航空工业集团公司北京航空材料研究院 A kind of method for improving peroxide cure fluoroether rubber product apparent mass
CN111117121A (en) * 2019-12-29 2020-05-08 河北新尔特橡塑密封有限公司 Heat-shrinkage-resistant sealing ring and preparation method thereof
CN114753152A (en) * 2019-12-29 2022-07-15 河北新尔特橡塑密封有限公司 Titanate modified polypropylene fiber, preparation method and application thereof, heat-shrinkage-resistant sealing ring and preparation method thereof

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Application publication date: 20160817

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