CN105602125A - High-wear-resistance no-odor rubber material, and preparation method and application thereof - Google Patents
High-wear-resistance no-odor rubber material, and preparation method and application thereof Download PDFInfo
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- CN105602125A CN105602125A CN201610083012.4A CN201610083012A CN105602125A CN 105602125 A CN105602125 A CN 105602125A CN 201610083012 A CN201610083012 A CN 201610083012A CN 105602125 A CN105602125 A CN 105602125A
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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
- 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
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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
Abstract
The invention discloses a high-wear-resistance no-odor rubber material which is prepared from the following raw materials in parts by weight: 80-120 parts of ethylene propylene diene monomer rubber, 70-120 parts of carbon black, 30-50 parts of plasticizer, 3-8 parts of activator, 1-3 parts of processing aid, 3-6 parts of vulcanizing agent, 2-6 parts of co-vulcanizing agent and 2-4 parts of odor masking agent. The invention also discloses a preparation method of the high-wear-resistance no-odor rubber material. The method comprises the following steps: S1. adding the raw materials into a Banbury mixer, banburying, and carrying out rubber discharging to obtain compounded rubber; S2. adding the compounded rubber obtained in S1 into an open mill, and milling and forming to obtain a preform; and S3. adding the preform obtained in S2 into an injection vulcanizer charging barrel, and vulcanizing to obtain the rubber material. The invention also discloses application of the high-wear-resistance no-odor rubber material in preparing automobile pedal hoods. The high-wear-resistance no-odor rubber material has the advantages of favorable heat resistance, wear resistance, low odor, long service life, high tearing strength and low compression set.
Description
Technical field
The present invention relates to rubber technology field, relate in particular to a kind of high abrasion free from extraneous odour elastomeric material and preparation thereofMethod, application.
Background technology
The many relevant industries of development need of automobile industry coordinate with it, and rubber industry is exactly one of them. VapourThe fast development of turner industry has brought good opportunity to develop to rubber industry. Due to whole world auto output andThe sustainable growth of recoverable amount, at non-tire, with in glue, the consumption glue amount of Automobile Rubber Products occupies first place always.The rubber accessory of using on an automobile has 100-200 kind, and quantity reaches 200-500. Automobile is anti-nowShake, sealing, sound insulation, the performance such as comfortable, and travel, brake, even can say to a great extent alsoRealized by rubber.
The exploitation of car industry requirement rubber product is synchronizeed with new car model development. Along with adding of new car model development speedHurry up, and rubber accessory performance requirement is improved constantly, the pattern that drawing processing rubber part is pressed by rubber plant is notCan meet the requirement of auto vendor to rubber accessory, auto vendor wishes that rubber plant can be with long-range eye,Develop high-performance environmental type elastomeric material. Therefore a kind of new high abrasion, free from extraneous odour, Gao Xing are providedThe elastomeric material of energy, becomes the task of top priority.
Summary of the invention
The technical problem existing based on background technology, the present invention proposes a kind of high abrasion free from extraneous odour elastomeric materialAnd preparation method thereof, application, the present invention has good heat resistance, wearability, smell is low, service lifeLong, tearing toughness is high, and compressed shape step-down is simple to operate, is applicable to suitability for industrialized production.
A kind of high abrasion free from extraneous odour elastomeric material that the present invention proposes, its raw material comprises by weight: ternary secondThird rubber 80-120 part, carbon black 70-120 part, plasticizer 30-50 part, activating agent 3-8 part, processing helpsAgent 1-3 part, vulcanizing agent 3-6 part, co-curing agent 2-6 part, mask agent 2-4 part.
Preferably, the 3rd monomer non-conjugated diene hydrocarbon of ethylene propylene diene rubber is ethylidene norbornene, dicycloOne or more kinds of mixtures in pentadiene or Isosorbide-5-Nitrae-hexadiene.
Preferably, the 3rd monomer non-conjugated diene hydrocarbon of ethylene propylene diene rubber is ethylidene norbornene.
Preferably, the weight portion of ethylene propylene diene rubber can be 80,81,82,83,84,85,86,87,88、89、90、91、92、93、94、95、96、97、98、99、100、101、102、103、104、105、106、107、108、109、110、111、112、113、114、115、116、117、118,119 or 120 parts.
Ethylene propylene diene rubber (Ethylene-Propylene-DieneMonomer, EPDM) is ethene, thirdThe terpolymer of alkene and non-conjugated diene hydrocarbon, its topmost characteristic is exactly superior resistance to oxidation, anti-smellyOxygen and erosion-resistant ability; Because ethylene propylene diene rubber belongs to polyolefin family, it has fabulous sulfuration spyProperty; And alkadienes has special structure, in two unsaturated double-bonds, only has a unsaturated double-bond ginsengCombinate form becomes main polymer chain together, and another unsaturated double-bond does not participate in copolymerization, thereby forms avris chain, threeThe main polymer chain of unit's EP rubbers is completely saturated, this characteristic make ethylene propylene diene rubber can resist heat,Light and oxygen, especially ozone; Ethylene propylene diene rubber is non-polar in essence, to polar solvent and chemistryThing has resistance; And ethylene propylene diene rubber also has the insulation characterisitic that water absorption rate is low and good. In ternaryIn EP rubbers production process, by changing quantity, ethylene, propylene ratio, the molecular weight of the 3rd monomer and dividingCloth is adjusted its characteristic.
Preferably, carbon black is carbon black N110, carbon black N220, carbon black N330, carbon black N550, carbon black N770Or one or more kinds of mixtures in carbon black N990.
Preferably, carbon black is the mixture of carbon black N550 and N770.
Preferably, the weight portion of carbon black can be 70,71,72,73,74,75,76,77,78,79,80、81、82、83、84、85、86、87、88、89、90、91、92、93、94、95、96、 97、98、99、100、101、102、103、104、105、106、107、108、109、110、111、112,113,114,115,116,117,118,119 or 120 parts.
Carbon black is one of rubber reinforcing filler, can increase the wearability of rubber. Described reinforcement, refers to make rubberHot strength, tearing strength and the abrasion performances of glue etc. obtain obviously and improve.
Preferably, plasticizer is paraffin oil.
Preferably, plasticizer be a kind of in 2240 paraffin oils, 2280 paraffin oils or 2500 paraffin oils orTwo or more mixtures.
Preferably, plasticizer is 2500 paraffin oils.
Preferably, the weight portion of plasticizer can be 30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49 or 50 parts.
Paraffin oil is the product being made through degreasing, sulfonation, the technique such as refining by paraffinic base crude oil, paraffin oilParaffinicity high, arene content is low, cold resistance is good, elasticity and heat-dissipating to sizing material have no adverse effects,Good with EP rubbers compatibility.
2500 paraffin oils have excellent heat resistance, purchased from SUNNTIXINTERNATIONALLIMITED.
Above-mentioned paraffin oil all can be commercially available.
Preferably, activating agent is zinc oxide.
Preferably, activating agent is indirect process zinc oxide.
Preferably, activating agent is indirect process zinc oxide, and wherein, in indirect process zinc oxide, the quality of zinc oxide is dividedNumber is for more than 99.8wt%.
Preferably, the weight portion of activating agent can be 3,3.5,4,4.5,5,5.5,6,6.5,7,7.5Or 8 parts.
Zinc Oxide is zinc oxide, is most important inorganic active agent in rubber industry, and adding can not only after sizing materialAccelerate curingprocess rate, can also improve the degree of cross linking.
Preferably, processing aid is a kind of or two or more in WB42, PEG4000 or Mo get Li 935BMixture.
Preferably, the weight portion of processing aid can be 1,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2,2.1,2.2,2.3,2.4,2.5,2.6,2.7,2.8,2.9 or 3 parts.
Above-mentioned processing aid can be commercially available, and WB42, PEG4000 or Mo get Li 935B are all conducive toThe elastomeric material demoulding, Mo get Li 935B can also make that elastomeric material size is accurate, outward appearance is fine and smooth.
Preferably, vulcanizing agent is the mixture of sulphur and peroxide.
Preferably, vulcanizing agent is the mixture of sulphur and peroxide, wherein, and sulphur and peroxide weightThan being 1:3-15.
Preferably, vulcanizing agent is the mixture of sulphur and peroxide, and wherein, sulphur is soluble sulfur S-80And/or insoluble sulfur IS-60.
Preferably, vulcanizing agent is the mixture of sulphur and peroxide, and wherein, sulphur is soluble sulfur S-80.
Preferably, vulcanizing agent is the mixture of sulphur and peroxide, and wherein, peroxide is peroxidating twoIsopropylbenzene, 2,5-dimethyl-2,5-bis-(t-butylperoxy) hexane or two-(tert-butyl hydroperoxide isopropyl)One or more kinds of mixtures in benzene.
Preferably, vulcanizing agent is the mixture of sulphur and peroxide, and wherein, peroxide is two-(tertiary fourthBase peroxidating isopropyl) benzene.
Preferably, the weight portion of vulcanizing agent can be 3,3.1,3.2,3.3,3.4,3.5,3.6,3.7,3.8、3.9、4、4.1、4.2、4.3、4.4、4.5、4.6、4.7、4.8、4.9、5、5.1、5.2、5.3,5.4,5.5,5.6,5.7,5.8,5.9 or 6 parts.
The present invention adopts the vulcanizing system of peroxide and sulphur, due to the ethylene-propylene-diene monomer of peroxide cureGlue, heat resistance is very excellent, the phenomenon such as easily tears but often can there is demoulding difficulty in the process of producing.In order to meet production technology requirement, take into account the heat resistance of rubber simultaneously, finally adopt peroxide cureSystem, then adds a small amount of sulphur, slightly reduces heat resistance and come the tear resistance of improving product, comes with thisImprove the qualification rate of product, and reduce its compression, ensure the long-life instructions for use of product.
Above-mentioned vulcanizing agent is commercially available acquisition all, and two-(tert-butyl hydroperoxide isopropyl) benzene have tasteless, anti-JiaoThe advantage of burning.
Preferably, co-curing agent is that cyanate co-curing agent is or/and esters of acrylic acid co-curing agent.
Preferably, co-curing agent is cyanate co-curing agent.
Preferably, co-curing agent is co-curing agent RICON153D.
Preferably, the weight portion of co-curing agent can be 2,2.1,2.2,2.3,2.4,2.5,2.6,2.7,2.8、2.9、3、3.1、3.2、3.3、3.4、3.5、3.6、3.7、3.8、3.9、4、4.1、4.2、4.3、4.4、4.5、4.6、4.7、4.8、4.9、5、5.1、5.2、5.3、5.4、5.5、5.6、5.7,5.8,5.9 or 6 parts.
Co-curing agent is common bridging agent, and the main component of RICON153D is iso-cyanuric acid triallyl ester,Can be commercially available. RICON153D and peroxide are used in conjunction with the crosslink density that can increase vulcanizate,Further improve the tearing strength of vulcanizate.
Preferably, mask agent is powder mask agent.
Preferably, mask agent is mask agent CS-1.
Preferably, the weight portion of mask agent be 2,2.1,2.2,2.3,2.4,2.5,2.6,2.7,2.8,2.9,3,3.1,3.2,3.3,3.4,3.5,3.6,3.7,3.8,3.9 or 4 parts.
Preferably, its raw material comprises by weight: 100 parts of ethylene propylene diene rubbers, and carbon black N55050-70 part,Carbon black N77020-50 part, 2500 paraffin oil 30-50 parts, indirect process zinc oxide 3-8 part, Mo get Li 935B1-3 part, soluble sulfur S-800.2-2 part, two-(tert-butyl hydroperoxide isopropyl) benzene 3-6 parts,Co-curing agent RICON153D2-6 part, mask agent 2-4 part.
" comprising " of the present invention, mean it except described component, can also comprise ultra-violet absorber etc.Other components, these other components give described elastomeric material different characteristics. In addition, institute of the present invention" comprising " of stating, can also replace with enclosed " being " or " by ... composition ".
The preparation method who the invention allows for above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying in banbury, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added and in mill, opens refining moulding, obtain preformed member;
S3, add sulfuration in injection vulcanizer barrel to obtain elastomeric material the preformed member obtaining in S2.
Preferably, in S1, the banburying time is 4-6min.
Preferably, in S1, dump temperature is 105-115 DEG C.
Preferably, in S2, the temperature of opening refining moulding is 60-70 DEG C.
Preferably, in S2, preformed member is strip.
Preferably, in S3, curing temperature is 170-180 DEG C.
Preferably, in S3, curing temperature is 172-178 DEG C.
Preferably, in S3, curing temperature is 175 DEG C.
Preferably, in S3, cure time is 300-360 second.
Preferably, in S3, cure time is 320-340 second.
Preferably, in S3, cure time is 330 seconds.
Preferably, in S3, sulfide stress is 140-160kgf/cm2。
Preferably, in S3, sulfide stress is 145-155kgf/cm2。
Preferably, in S3, sulfide stress is 150kgf/cm2。
Preferably, in S3, also comprise the step of cooling after vulcanizing and deburring.
Preferably, in S3, also comprise cooling, deburring after sulfuration, outward appearance and dimension control, packaging warehouse-inStep.
The invention allows for above-mentioned high abrasion free from extraneous odour elastomeric material in the application of preparing in auto pedal cover.
Compared with the prior art, the present invention has following beneficial effect: select carbon black can increase the resistance to of rubberMill property, hot strength, tearing strength; Select two kinds of carbon black, can improve rubber compounding and sulfurationProcessing technology, reduces the ratio of defects after elastomeric material sulfuration; Select sulphur and peroxide use, improveThe tearing strength of elastomeric material and guarantee elastomeric material heat resistance and long-life requirement; Pass through co-vulcanizationAdding of agent, further improve the tearing strength of elastomeric material and low compression; Add mask agent,The more effective smell that reduces elastomeric material; Above-mentioned four synergies, make the present invention have the resistance to of excellenceHot property, low compression, low smell and high tearing strength, anti-wear performance; In optimization technique sideIn case, by the further selection to each component, can make heat resistance of the present invention, anti-deformation,Tearing strength, low odor properties further promote, and elasticity and the heat-dissipating of paraffin oil to sizing material has no adverse effects,Good with ethylene propylene diene rubber intermiscibility, increase processing characteristics of the present invention and mechanical performance; 2500 paraffin oil toolsThere is excellent heat resistance, can further increase heat resistance of the present invention; Co-curing agent coordinates with peroxideUse can increase the crosslink density of vulcanizate, and zinc oxide can be accelerated curingprocess rate, improves the degree of cross linking, threePerson interacts, and further improves the tearing strength of vulcanizate, reduces compressive deformation; Suitable processing aidCan be beneficial to the elastomeric material demoulding, and can make that elastomeric material size is accurate, outward appearance is fine and smooth; Two-(tert-butyl group mistakeOxidation isopropyl) benzene has advantage and mask agent tasteless, anti-incipient scorch and cooperatively interacts, can further reduceSmell of the present invention; Select suitable preparation parameter, can further improve heat resistance of the present invention, anti-Deformation performance, tearing strength, low odor properties and anti-wear performance; Technique of the present invention is simple, is convenient to control,Be applicable to suitability for industrialized production.
Detailed description of the invention
Below, by specific embodiment, technical scheme of the present invention is elaborated.
Embodiment 1
A kind of high abrasion free from extraneous odour elastomeric material, its raw material comprises by weight:
The preparation method of above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying 5min in banbury, be warming up to 110 DEG C, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added in mill, be warming up to 65 DEG C, open refining moulding, obtainStrip preformed member;
S3, the preformed member obtaining in S2 is added in injection vulcanizer barrel, be warming up to 175 DEG C, regulatePressure is to 150kgf/cm2, vulcanize and within 330 seconds, obtain pedal cover semi-finished product; By cooling pedal cover semi-finished product, repairLimit, outward appearance and dimension control, pack and put in storage and obtain pedal cover.
Embodiment 2
Except not adding co-curing agent RICON153D, all the other are identical with embodiment 1.
Embodiment 3
Except not adding soluble sulfur S-80, all the other are identical with embodiment 1.
Embodiment 4
Except not adding co-curing agent RICON153D and S-80, all the other are identical with embodiment 1.
Embodiment 5
Except not adding RICON153D, S-80, two-(tert-butyl hydroperoxide isopropyl) benzene change 3.6 into simultaneouslyPart cumyl peroxide vulcanizes, and all the other are identical with embodiment 1.
Embodiment 6
A kind of high abrasion free from extraneous odour elastomeric material, its raw material comprises by weight:
| Component | Weight portion (part) | Component | Weight portion (part) |
| Ethylene propylene diene rubber | 80 | WB42 | 3 |
| Carbon black N110 | 70 | Soluble sulfur IS-60 | 0.4 |
| Carbon black N220 | 20 | Cumyl peroxide | 6 |
| 2240 paraffin oils | 50 | RICON 153D | 2 |
| Indirect process zinc oxide | 3 | Mask agent CS-1 | 4 |
The preparation method of above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying 4min in banbury, be warming up to 115 DEG C, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added in mill, be warming up to 60 DEG C, open refining moulding, obtainStrip preformed member;
S3, the preformed member obtaining in S2 is added in injection vulcanizer barrel, be warming up to 180 DEG C, regulatePressure is to 140kgf/cm2, vulcanize and within 360 seconds, obtain pedal cover semi-finished product; By cooling pedal cover semi-finished product, repairLimit, outward appearance and dimension control, pack and put in storage and obtain pedal cover.
Embodiment 7
The preparation method of above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying 6min in banbury, be warming up to 105 DEG C, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added in mill, be warming up to 70 DEG C, open refining moulding, obtainStrip preformed member;
S3, the preformed member obtaining in S2 is added in injection vulcanizer barrel, be warming up to 170 DEG C, regulatePressure is to 160kgf/cm2, vulcanize and within 300 seconds, obtain pedal cover semi-finished product; By cooling pedal cover semi-finished product, repairLimit, outward appearance and dimension control, pack and put in storage and obtain pedal cover.
Embodiment 8
The preparation method of above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying 4.5min in banbury, be warming up to 112 DEG C, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added in mill, be warming up to 63 DEG C, open refining moulding, obtainStrip preformed member;
S3, the preformed member obtaining in S2 is added in injection vulcanizer barrel, be warming up to 178 DEG C, regulatePressure is to 145kgf/cm2, vulcanize and within 340 seconds, obtain pedal cover semi-finished product; By cooling pedal cover semi-finished product, repairLimit, outward appearance and dimension control, pack and put in storage and obtain pedal cover.
Embodiment 9
| Component | Weight portion (part) | Component | Weight portion (part) |
| Ethylene propylene diene rubber | 110 | PEG4000 | 1.5 |
| Carbon black N220 | 55 | Soluble sulfur S-80 | 1.5 |
| Carbon black N990 | 30 | Cumyl peroxide | 5 |
| 2240 paraffin oils | 35 | RICON 153D | 5 |
| Indirect process zinc oxide | 6 | Mask agent CS-1 | 2.5 |
The preparation method of above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying 5.5min in banbury, be warming up to 108 DEG C, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added in mill, be warming up to 67 DEG C, open refining moulding, obtainStrip preformed member;
S3, the preformed member obtaining in S2 is added in injection vulcanizer barrel, be warming up to 172 DEG C, regulatePressure is to 155kgf/cm2, vulcanize and within 320 seconds, obtain pedal cover semi-finished product; By cooling pedal cover semi-finished product, repairLimit, outward appearance and dimension control, pack and put in storage and obtain pedal cover.
Embodiment 10
The preparation method of above-mentioned high abrasion free from extraneous odour elastomeric material, comprises the steps:
S1, raw material is added to banburying 5min in banbury, be warming up to 110 DEG C, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added in mill, be warming up to 65 DEG C, open refining moulding, obtainStrip preformed member;
S3, the preformed member obtaining in S2 is added in injection vulcanizer barrel, be warming up to 175 DEG C, regulatePressure is to 150kgf/cm2, vulcanize and within 330 seconds, obtain pedal cover semi-finished product; By cooling pedal cover semi-finished product, repairLimit, outward appearance and dimension control, pack and put in storage and obtain pedal cover.
Above-described embodiment 1-5 prepares pedal cover according to same preparation method, and according to the relevant criterion pair of GB/TEmbodiment 1-5 tests, and draws following test result:
As can be seen from the above table, embodiment 1 angle tear strength is the highest, reaches 36.3KN/m; Implement simultaneouslyStrength Changes, elongation change and firmness change after the 100 DEG C × 70h of heat-resisting air aging of example 1 are all better thanOther embodiment; Adopt the embodiment 1-4 gas that two-(tert-butyl hydroperoxide isopropyl) benzene sulfurations are vulcanizing agentTaste is less than the embodiment 5 that adopts cumyl peroxide sulfuration to be vulcanizing agent, and the material that meets low oder levels is wantedAsk. The present invention utilizes sulphur and peroxide use, improves the tearing strength of product and ensures that product is heat-resistingThe requirement of property, by adding of co-curing agent, further improves the tearing strength of product. Therefore, the present inventionHigh abrasion free from extraneous odour elastomeric material to have more excellent heat resistance, tear resistance and low smell etc. comprehensiveCan, be more applicable for automobile pedal cover.
The above, be only preferably detailed description of the invention of the present invention, but not office of protection scope of the present inventionBe limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in, according to thisThe technical scheme of invention and inventive concept thereof are equal to replaces or changes, and all should be encompassed in protection of the present inventionWithin scope.
Claims (10)
1. a high abrasion free from extraneous odour elastomeric material, is characterized in that, its raw material comprises by weight: ternaryEP rubbers 80-120 part, carbon black 70-120 part, plasticizer 30-50 part, activating agent 3-8 part, processingAuxiliary agent 1-3 part, vulcanizing agent 3-6 part, co-curing agent 2-6 part, mask agent 2-4 part.
2. high abrasion free from extraneous odour elastomeric material according to claim 1, is characterized in that ethylene-propylene-diene monomerThe 3rd monomer non-conjugated diene hydrocarbon of glue is in ethylidene norbornene, dicyclopentadiene or Isosorbide-5-Nitrae-hexadieneOne or more kinds of mixtures; Preferably, the 3rd monomer non-conjugated diene of ethylene propylene diene rubberHydrocarbon is ethylidene norbornene;
Preferably, carbon black is carbon black N110, carbon black N220, carbon black N330, carbon black N550, carbon black N770Or one or more kinds of mixtures in carbon black N990; Preferably, carbon black is carbon black N550 and N770Mixture.
3. according to high abrasion free from extraneous odour elastomeric material described in claim 1 or 2, it is characterized in that plasticizerFor paraffin oil; Preferably, plasticizer is one in 2240 paraffin oils, 2280 paraffin oils or 2500 paraffin oilsPlant or two or more mixtures; Preferably, plasticizer is 2500 paraffin oils;
Preferably, activating agent is zinc oxide; Preferably, activating agent is indirect process zinc oxide; Preferably, liveProperty agent is indirect process zinc oxide, wherein, in indirect process zinc oxide the mass fraction of zinc oxide be 99.8wt% withOn.
4. according to high abrasion free from extraneous odour elastomeric material described in claim 1-3 any one, it is characterized in that, addWork auxiliary agent is the one or more kinds of mixtures in WB42, PEG4000 or Mo get Li 935B.
5. according to high abrasion free from extraneous odour elastomeric material described in claim 1-4 any one, it is characterized in that sulphurAgent is the mixture of sulphur and peroxide; Preferably, vulcanizing agent is the mixture of sulphur and peroxide,Wherein, sulphur and peroxide weight ratio are 1:3-15; Preferably, vulcanizing agent is sulphur and peroxideMixture, wherein, sulphur is soluble sulfur S-80 and/or insoluble sulfur IS-60; Preferably,Vulcanizing agent is the mixture of sulphur and peroxide, and wherein, sulphur is soluble sulfur S-80; Preferably,Vulcanizing agent is the mixture of sulphur and peroxide, and wherein, peroxide is cumyl peroxide, 2,5-Dimethyl-2, the one in 5-bis-(t-butylperoxy) hexane or two-(tert-butyl hydroperoxide isopropyl) benzeneOr two or more mixture; Preferably, vulcanizing agent is the mixture of sulphur and peroxide, wherein,Peroxide is two-(tert-butyl hydroperoxide isopropyl) benzene.
6. according to high abrasion free from extraneous odour elastomeric material described in claim 1-5 any one, it is characterized in that, altogetherVulcanizing agent is that cyanate co-curing agent is or/and esters of acrylic acid co-curing agent; Preferably, co-curing agent is cyanogenEsters of gallic acid co-curing agent; Preferably, co-curing agent is co-curing agent RICON153D; Preferably, mask agentFor powder mask agent; Preferably, mask agent is mask agent CS-1.
7. according to high abrasion free from extraneous odour elastomeric material described in claim 1-6 any one, it is characterized in that, itsRaw material comprises by weight: 100 parts of ethylene propylene diene rubbers, carbon black N55050-70 part, carbon black N77020-50Part, 2500 paraffin oil 30-50 parts, indirect process zinc oxide 3-8 part, Mo get Li 935B1-3 part is solvableProperty sulphur S-800.2-2 part, two-(tert-butyl hydroperoxide isopropyl) benzene 3-6 parts, co-curing agent RICON153D2-6 part, mask agent 2-4 part.
8. a preparation method for high abrasion free from extraneous odour elastomeric material as described in claim 1-7 any one, itsBe characterised in that, comprise the steps:
S1, raw material is added to banburying in banbury, binder removal obtains elastomeric compound;
S2, the elastomeric compound obtaining in S1 is added and in mill, opens refining moulding, obtain preformed member;
S3, add sulfuration in injection vulcanizer barrel to obtain elastomeric material the preformed member obtaining in S2.
9. the preparation method of high abrasion free from extraneous odour elastomeric material according to claim 8, is characterized in that,In S1, the banburying time is 4-6min; Preferably, in S1, dump temperature is 105-115 DEG C; Preferably,In S2, the temperature of opening refining moulding is 60-70 DEG C; Preferably, in S2, preformed member is strip; ExcellentSelection of land, in S3, curing temperature is 170-180 DEG C; Preferably, in S3, curing temperature is 172-178 DEG C;Preferably, in S3, curing temperature is 175 DEG C; Preferably, in S3, cure time is 300-360 second;Preferably, in S3, cure time is 320-340 second; Preferably, in S3, cure time is 330 seconds;Preferably, in S3, sulfide stress is 140-160kgf/cm2; Preferably, in S3, sulfide stress is145-155kgf/cm2; Preferably, in S3, sulfide stress is 150kgf/cm2; Preferably, in S3, alsoComprise the step of cooling after vulcanizing and deburring; Preferably, in S3, also comprise rear cooling, the deburring, outer of sulfurationThe step of sight and dimension control, packaging warehouse-in.
One kind as described in claim 1-7 any one high abrasion free from extraneous odour elastomeric material step on preparing automobileApplication in plate cover.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106883520A (en) * | 2016-11-11 | 2017-06-23 | 建新赵氏集团有限公司 | Sealing strip material of environmentally friendly, low smell and preparation method thereof |
| CN107090133A (en) * | 2017-06-23 | 2017-08-25 | 南京金三力高分子科技有限公司 | A kind of automobile radiator systems seal EP rubbers material and its production method |
| CN108017842A (en) * | 2016-11-04 | 2018-05-11 | 德尔福派克电气系统有限公司 | A kind of automotive wire bundle low smell EPDM rubber and preparation method thereof |
| CN112063059A (en) * | 2020-09-10 | 2020-12-11 | 上海荣南科技有限公司 | EPDM 90-degree compact rubber material and processing technology thereof |
| CN114702761A (en) * | 2022-04-26 | 2022-07-05 | 安徽中鼎密封件股份有限公司 | Rubber material for sealing element resistant to ultrahigh temperature and low pressure change and preparation method thereof |
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| CN105086168A (en) * | 2015-08-04 | 2015-11-25 | 安徽中鼎密封件股份有限公司 | Plastic framework positioning type steering column sealing cover used for cab and preparation method of plastic framework positioning type steering column sealing cover |
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| CN105086168A (en) * | 2015-08-04 | 2015-11-25 | 安徽中鼎密封件股份有限公司 | Plastic framework positioning type steering column sealing cover used for cab and preparation method of plastic framework positioning type steering column sealing cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108017842A (en) * | 2016-11-04 | 2018-05-11 | 德尔福派克电气系统有限公司 | A kind of automotive wire bundle low smell EPDM rubber and preparation method thereof |
| CN106883520A (en) * | 2016-11-11 | 2017-06-23 | 建新赵氏集团有限公司 | Sealing strip material of environmentally friendly, low smell and preparation method thereof |
| CN107090133A (en) * | 2017-06-23 | 2017-08-25 | 南京金三力高分子科技有限公司 | A kind of automobile radiator systems seal EP rubbers material and its production method |
| CN112063059A (en) * | 2020-09-10 | 2020-12-11 | 上海荣南科技有限公司 | EPDM 90-degree compact rubber material and processing technology thereof |
| CN114702761A (en) * | 2022-04-26 | 2022-07-05 | 安徽中鼎密封件股份有限公司 | Rubber material for sealing element resistant to ultrahigh temperature and low pressure change and preparation method thereof |
| CN114702761B (en) * | 2022-04-26 | 2023-11-17 | 安徽中鼎密封件股份有限公司 | Rubber material for sealing element resistant to ultrahigh temperature and low pressure change and preparation method thereof |
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