CN106750645A - A kind of high-low temperature resistant, the ultralow buckling elastomeric material for the diesel oil of resistance to machine and preparation method thereof - Google Patents
A kind of high-low temperature resistant, the ultralow buckling elastomeric material for the diesel oil of resistance to machine and preparation method thereof Download PDFInfo
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- CN106750645A CN106750645A CN201611115322.6A CN201611115322A CN106750645A CN 106750645 A CN106750645 A CN 106750645A CN 201611115322 A CN201611115322 A CN 201611115322A CN 106750645 A CN106750645 A CN 106750645A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
A kind of high-low temperature resistant, the ultralow buckling elastomeric material for the diesel oil of resistance to machine and preparation method thereof, following component is included by score ratio：26 types and 40 types and with 100 parts of nitrile rubber, 60 ~ 100 parts of reinforcing agent, soften 5 ~ 10 parts of plasticizer, 4 ~ 6 parts of age resistor, 2 ~ 5 parts of process auxiliaries, 3 ~ 8 parts of activating agent, 2 ~ 4 parts of vulcanizing agent, 0.5 ~ 3 part of assistant crosslinking agent, elastomeric material preparation method includes plasticating, mixing, three steps of vulcanization, high-low temperature resistant prepared by the technical program, the ultralow buckling nitrile rubber of the diesel oil of resistance to machine, the temperature in use scope of nitrile rubber is widened, significantly reduce compression set of the nitrile rubber in deep fat, extend the service life and range of application of nitrile rubber, advantage of lower cost, chlorosulfonated polyethylene can partly be substituted, EPDM, the sizing material costly such as carboxyl butyronitrile, with larger economic worth.
Description
Technical field
The present invention relates to nitrile rubber and use technical field, and in particular to a kind of high-low temperature resistant, the ultralow pressure of the diesel oil of resistance to machine
Become elastomeric material and preparation method thereof.
Background technology
Acrylonitrile content in nitrile rubber（%）There are 42~46,36~41,31~35,25~30,18~24 etc. five kinds, third
Alkene nitrile content is higher, and oil resistivity is better, and resistance to elevated temperatures is better, but cold resistance then accordingly declines, can be in 120 DEG C of air
In or 150 DEG C oil in use for a long time.Thus nitrile rubber be widely used in various oil resistant rubber products, oil seat gasket, pad,
Sleeve pipe, flexible package, flexible rubber hose, printer's roll, cable glue material etc., turning into the industries such as automobile, aviation, oil, duplicating must
Indispensable elastomeric material.With the fast development of Domestic Automotive Industry, corresponding auto parts and components consumption will be continuously increased, plus
The fast development of the application fields such as upper electric wire, it is contemplated that the aggregate consumption of the year two thousand twenty China nitrile rubber is up to about 300,000
Ton.
Butyronitrile is huge as glue domestic demand amount, and the application of butyronitrile elastomeric compound is more and more extensive.But, common butyronitrile
High not low temperature resistant of rubber acrylonitrile content, the low high temperature resistant of acrylonitrile content and poor, the special nitrile rubber of oil resistivity
（Such as hydrogenated butyronitrile, carboxyl butyronitrile）Can meet, but price is very expensive and needs import.The oil resistivity of nitrile rubber exists
Fluorubber is only second in rubber, but its heat resistance is poor in rubber, limits the application of nitrile rubber.
This material coordinates the heat resistance that improve butyronitrile elastomeric compound by various, with preferable resistance to low temperature, 150
DEG C × 24h under in machine diesel oil compression set control within 10%, can not only improve the service life of existing nitrile rubber
And range of application, can also partly substitute the sizing material costly such as chlorosulfonated polyethylene, EPDM, carboxyl butyronitrile.Therefore,
This material is with a wide range of applications.
The content of the invention
It is an object of the invention to provide a kind of high-low temperature resistant, the ultralow buckling elastomeric material of the diesel oil of resistance to machine and its preparation side
Method, with solve existing nitrile rubber heat resistance it is low, can not while taking into account high temperature resistant and low temperature resistant, hot conditions under compress forever
The problem of long modified difference.
To achieve the above object, the technical solution adopted by the present invention is：
The ultralow buckling elastomeric material of a kind of high-low temperature resistant, the diesel oil of resistance to machine, following component is included by score ratio：26 types and 40 types are simultaneously
With 100 parts of nitrile rubber, 60 ~ 100 parts of reinforcing agent, soften 5 ~ 10 parts of plasticizer, 4 ~ 6 parts of age resistor, process auxiliaries 2 ~ 5
Part, 3 ~ 10 parts of activating agent, 2 ~ 4 parts of vulcanizing agent, 0.5 ~ 3 part of assistant crosslinking agent.
26 described types and 40 types and with quality of the 26 type nitrile rubbers in nitrile rubber in base rubber point
Number is at least 60%.
Described reinforcing agent is appointing in spray carbon black, high abrasion carbon black, semi-reinforcing hydrocarbon black and low-heat-generation DZ-13 carbon blacks
One or two are anticipated, wherein at least 30 parts of semi-reinforcing hydrocarbon black mass fraction.
Described activating agent is any one in zinc oxide, stearic acid, zinc stearate or two kinds.
The described plasticizer that softens is any one in DOS, DOP, TOTM and TP-95 or two kinds.
Described age resistor is antioxidant 4010NA and antioxidant D DA-70, antioxidant MB Z, prevent 445, anti-MB in it is any
One or two are used in combination, and wherein antioxidant 4010NA mass fraction is no less than 0.5 part.
Described process auxiliaries are got profit by CH236 and mould and constituted, and wherein the mass fraction of CH236 is no less than 1 part.
Described assistant crosslinking agent is any one in TAIC, HVA-2, TMPTMA, HVPBD or 2 kinds.
Described vulcanizing agent is any one in DCP, BPO, BPMC, BIPB.
The preparation method of a kind of high-low temperature resistant, the ultralow buckling elastomeric material of the diesel oil of resistance to machine, comprises the following steps：
1）Plasticate：26 types and 40 types simultaneously use nitrile rubber（NBR）Refining, thin logical certain hour are closed in mill, until 100
DEG C Mooney viscosity ML1+440 ~ 60；
2）Mixing：Rubber after above-mentioned conjunction is refined moves into banbury, and reinforcing agent, process auxiliaries then are added into banbury（With close
The 80% of mill capacity is advisable）Banburying is carried out, in 50 ~ 100r/min, mixing adds after 2 minutes for wherein rotor speed of banbury mixer control
Enter to soften plasticizer, age resistor, activating agent etc.（Except vulcanizing agent and assistant crosslinking agent）Mixing time at least 5min, temperature rises to
120 ~ 125 DEG C of discharges；Thin logical 3 ~ 4 times on a mill, slice is hung and is dried in the air, and vulcanizing agent is added with mill after parking 12 hours, thin
Logical 4 ~ 5 times slices cooling（Sulphur process control roller temperature is entirely added to be no more than 60 DEG C）；
3）Vulcanization：After parking 12 hours, the elastomeric compound back mixing one time obtained by above-mentioned experiment is fitted into mould, in compression molding
Vulcanize on machine, 6 ~ 10min of cure time, 160 ~ 180 DEG C of curing temperature, 12 ~ 15MPa of sulfide stress.
This programme relative to prior art, with advantages below and effect：
1）The heat resistance and cold resistance of nitrile rubber are taken into account simultaneously, and the heat resistance of nitrile rubber greatly improved,
So that the applicable temperature range of elastomeric material reaches -40 ~ 150 DEG C.
2）The permanent set at high temperature performance of exterior-coated nitrile rubber article is improve, the use longevity of nitrile rubber is substantially prolongs
Life.
Specific embodiment
The present invention is further illustrated below by way of specific embodiment：
Embodiment 1
26 type nitrile rubbers and 40 type nitrile rubbers are pressed into mass fraction proportioning and is respectively 90:10、80:20、70:30 and 60:40
Ratio plasticated in mill certain hour, it is thin it is logical repeatedly after, until epoxy glue in Mooney viscosity value ML1+4In 40 ~ 60 models
In enclosing.
By after above-mentioned plasticating rubber master batch move into banbury, the mass fraction of rubber master batch based on 100 parts, by 30 ~ 80 part of half reinforcement
Carbon black, 0 ~ 25 part of high abrasion grain carbon black and 2~5 parts of process auxiliaries add banbury, are mixed under high temperature, shear conditions
Close uniform, wherein rotor speed of banbury mixer is controlled in 50 ~ 120r/min, after mixing time at least 2min；It is subsequently added DOS softenings
6~15 parts, chemical antiager 4010NA0.7 parts of plasticizer and 1.5~5 parts of other age resistor, 5 parts of activating agent zinc oxide and tristearin
1 part of acid, mixing time at least 5min, temperature rises to 120 ~ 125 DEG C of discharges；Vulcanizing agent selects HVA-2 from DCP, assistant crosslinking agent,
Total consumption is 2~5 parts, quality proportioning difference 2:1、3:1 and 4:1；Then mill obtains elastomeric compound after adding sulphur, mixing uniform.
It is finally sulfurating stage.Elastomeric compound obtained by above-mentioned experiment is fitted into mould, is vulcanized on vulcanizing press, sulphur
Change time 8min, 160 DEG C of curing temperature, sulfide stress 15Mpa obtains the ultralow buckling butyronitrile of high-low temperature resistant, the diesel oil of resistance to machine
Elastomeric material.
The elastomeric material prepared to different sizing materials proportioning, other components are definite value and testing conditions are identical, detection knot
Fruit is shown in Table 1, and detection method is carried out according to national standard.
To elastomeric material mechanics influence, other components are definite value and testing conditions phase to different semi-reinforcing hydrocarbon black mass fractions
Together, testing result is shown in Table 2.
, with the influence for comparing elastomeric material mechanical property, other components of crosslinking coagent are constant and detector bar for Elastomers with Different Curing Systems
Part is identical, and testing result is shown in Table 3.
Embodiment 2
The high-low temperature resistant of the present embodiment, the preparation method of the ultralow buckling nitrile rubber of the diesel oil of resistance to machine are with 1, its difference
It is species and the deal difference of added plasticizer.
Embodiment 3
The high-low temperature resistant of the present embodiment, the preparation method of the ultralow buckling nitrile rubber of the diesel oil of resistance to machine are with 1, its difference
It is added age resistor type and proportioning difference.
Embodiment 4
The high-low temperature resistant of the present embodiment, the preparation method of the ultralow buckling nitrile rubber of the diesel oil of resistance to machine are with 1, its difference
It is vulcanizing agent and crosslinking coagent type difference used.
Embodiment 5
, with 1, its difference is carbon black kind for the high-low temperature resistant of the present embodiment, the ultralow buckling nitrile rubber of the diesel oil of resistance to machine
Class and deal.
Embodiment 6
, with 1, its difference exists for the high-low temperature resistant of the present embodiment, the ultralow buckling nitrile rubber preparation method of the diesel oil of resistance to machine
In rubber used be different manufacturers production, different Mooney viscosity.
In a word, the present invention provides a kind of high-low temperature resistant, the ultralow buckling elastomeric material for the diesel oil of resistance to machine and preparation method thereof, real
Apply simple for process, relative inexpensiveness expands the use scope of nitrile compound, with preferable industrialization value.
Claims (10)
1. the ultralow buckling elastomeric material of a kind of high-low temperature resistant, the diesel oil of resistance to machine, it is characterised in that include with the following group by score ratio
Part：26 types and 40 types and with 100 parts of nitrile rubber, 60 ~ 100 parts of reinforcing agent, soften 5 ~ 10 parts of plasticizer, age resistor 4 ~ 6
Part, 2 ~ 5 parts of process auxiliaries, 3 ~ 10 parts of activating agent, 2 ~ 4 parts of vulcanizing agent, 0.5 ~ 3 part of assistant crosslinking agent.
2. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
26 described type nitrile rubbers（NBR）With 40 type nitrile rubbers（NBR）Composite in 26 type nitrile rubbers in matrix rubber
Mass fraction in glue is no less than 60%.
3. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
Described reinforcing agent be spray carbon black, high abrasion carbon black, semi-reinforcing hydrocarbon black and low-heat-generation DZ-13 carbon blacks in any one or
Two kinds, wherein semi-reinforcing hydrocarbon black mass fraction is no less than 30 parts.
4. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
Described activating agent is any one in zinc oxide, stearic acid, zinc stearate or two kinds.
5. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
The described plasticizer that softens is any one in DOS, DOP, TOTM and TP-95 or two kinds.
6. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
Described age resistor is any one in antioxidant 4010NA and antioxidant D DA-70, antioxidant MB Z, anti-445, anti-MB or two
Plant and be used in combination, wherein antioxidant 4010NA mass fraction is no less than 0.5 part.
7. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
Described process auxiliaries are got profit by CH236 and mould and constituted, and wherein the mass fraction of CH236 is no less than 1 part.
8. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
Described assistant crosslinking agent is any one in TAIC, HVA-2, TMPTMA, HVPBD or 2 kinds.
9. the ultralow buckling elastomeric material of a kind of high-low temperature resistant according to claim 1, the diesel oil of resistance to machine, it is characterised in that
Described vulcanizing agent is any one in DCP, BPO, BPMC, BIPB.
10. the ultralow buckling elastomeric material of a kind of high-low temperature resistant, the diesel oil of resistance to machine, it is characterised in that comprise the following steps：
1）Plasticate：26 types and 40 types simultaneously use nitrile rubber（NBR）Refining, thin logical certain hour are closed in mill, until 100
DEG C Mooney viscosity ML1+440 ~ 60；
2）Mixing：Rubber after above-mentioned conjunction is refined moves into banbury, and reinforcing agent, process auxiliaries then are added into banbury（With close
The 80% of mill capacity is advisable）Banburying is carried out, in 50 ~ 100r/min, mixing adds after 2 minutes for wherein rotor speed of banbury mixer control
Enter to soften plasticizer, age resistor, activating agent etc.（Except vulcanizing agent and assistant crosslinking agent）, mixing time at least 5min, temperature rises to
120 ~ 125 DEG C of discharges；Thin logical 3 ~ 4 times on a mill, slice is hung and is dried in the air, and vulcanizing agent is added with mill after parking 12 hours, thin
Logical 4 ~ 5 times slices cooling（Sulphur process control roller temperature is entirely added to be no more than 60 DEG C）；
3）Vulcanization：After parking 12 hours, the elastomeric compound back mixing one time obtained by above-mentioned experiment is fitted into mould, in compression molding
Vulcanize on machine, 6 ~ 10min of cure time, 160 ~ 180 DEG C of curing temperature, 12 ~ 15MPa of sulfide stress.
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| CN201611115322.6A CN106750645A (en) | 2016-12-07 | 2016-12-07 | A kind of high-low temperature resistant, the ultralow buckling elastomeric material for the diesel oil of resistance to machine and preparation method thereof |
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| CN201611115322.6A CN106750645A (en) | 2016-12-07 | 2016-12-07 | A kind of high-low temperature resistant, the ultralow buckling elastomeric material for the diesel oil of resistance to machine and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501650A (en) * | 2017-08-02 | 2017-12-22 | 江苏道勤新材料科技有限公司 | A kind of heat resistant and wear resistant elastomeric material |
| CN107746486A (en) * | 2017-10-19 | 2018-03-02 | 中国建筑材料科学研究总院 | Environment-friendly type low pressure becomes abrasive rubber packing ring |
| CN107857908A (en) * | 2017-11-29 | 2018-03-30 | 安徽微威环保科技有限公司 | A kind of methanol tolerant low temperature nitrile rubber and preparation method thereof |
| CN108264662A (en) * | 2018-03-01 | 2018-07-10 | 南京金三力橡塑有限公司 | A kind of coating rubber roller sizing material and coating rubber roller and preparation method |
| CN108424557A (en) * | 2018-04-28 | 2018-08-21 | 南京金三力高分子科技有限公司 | A kind of low pressure of resistance to diesel oil becomes nitrile rubber and preparation method thereof |
| CN112940362A (en) * | 2021-02-03 | 2021-06-11 | 广东贝洛新材料科技有限公司 | High-temperature-resistant and hot-oil-resistant nitrile rubber material and preparation method thereof |
| CN113563649A (en) * | 2021-07-06 | 2021-10-29 | 中裕软管科技股份有限公司 | Oil-resistant high-low temperature-resistant rubber, preparation method thereof and rubber hose |
| CN115785544A (en) * | 2022-12-06 | 2023-03-14 | 咸阳三精科技股份有限公司 | High-temperature-resistant and low-temperature-resistant diesel engine oil butyronitrile rubber material and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501650A (en) * | 2017-08-02 | 2017-12-22 | 江苏道勤新材料科技有限公司 | A kind of heat resistant and wear resistant elastomeric material |
| CN107746486A (en) * | 2017-10-19 | 2018-03-02 | 中国建筑材料科学研究总院 | Environment-friendly type low pressure becomes abrasive rubber packing ring |
| CN107857908A (en) * | 2017-11-29 | 2018-03-30 | 安徽微威环保科技有限公司 | A kind of methanol tolerant low temperature nitrile rubber and preparation method thereof |
| CN108264662A (en) * | 2018-03-01 | 2018-07-10 | 南京金三力橡塑有限公司 | A kind of coating rubber roller sizing material and coating rubber roller and preparation method |
| CN108264662B (en) * | 2018-03-01 | 2020-04-03 | 南京金三力橡塑有限公司 | Sizing material for coated rubber roller, coated rubber roller and preparation method thereof |
| CN108424557A (en) * | 2018-04-28 | 2018-08-21 | 南京金三力高分子科技有限公司 | A kind of low pressure of resistance to diesel oil becomes nitrile rubber and preparation method thereof |
| CN112940362A (en) * | 2021-02-03 | 2021-06-11 | 广东贝洛新材料科技有限公司 | High-temperature-resistant and hot-oil-resistant nitrile rubber material and preparation method thereof |
| CN113563649A (en) * | 2021-07-06 | 2021-10-29 | 中裕软管科技股份有限公司 | Oil-resistant high-low temperature-resistant rubber, preparation method thereof and rubber hose |
| CN115785544A (en) * | 2022-12-06 | 2023-03-14 | 咸阳三精科技股份有限公司 | High-temperature-resistant and low-temperature-resistant diesel engine oil butyronitrile rubber material and preparation method thereof |
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