CN107868348A - A kind of high flame resistance conduction ethylene propylene diene rubber and preparation method thereof - Google Patents
A kind of high flame resistance conduction ethylene propylene diene rubber and preparation method thereof Download PDFInfo
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- CN107868348A CN107868348A CN201711255258.6A CN201711255258A CN107868348A CN 107868348 A CN107868348 A CN 107868348A CN 201711255258 A CN201711255258 A CN 201711255258A CN 107868348 A CN107868348 A CN 107868348A
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K2201/001—Conductive additives
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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
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The present invention is a kind of high flame resistance conduction ethylene propylene diene rubber and preparation method thereof, belongs to technical field of conductive rubber.A kind of high flame resistance conduction ethylene propylene diene rubber, is made up of following component by weight：30 40 parts of ethylene propylene diene rubber, 1.5 2 parts of zinc oxide, 0.3 0.5 parts of stearic acid, 12 18 parts of aluminium hydroxide, 20 25 parts of conductive black, 10 15 parts of paraffin oil, 69 parts of TDE, 35 parts of antimony oxide, 0.8 1.2 parts of accelerator, 0.4 0.7 parts of sulphur.The present invention is due to using ethylene propylene diene rubber, and with aluminium hydroxide, TDE, three kinds of fire retardants of antimony oxide are used as flame-retardant system, its fire resistance is greatly improved, and adds conductive black, while electric conductivity, stretching, tearing strength are improved, and combination property is good.
Description
Technical field
The present invention relates to technical field of conductive rubber, and in particular to a kind of high flame resistance conduction ethylene propylene diene rubber and its
Preparation method.
Background technology
Prior art makes cable accessory conductive shielding layer using the ethylene propylene diene monomer (EPDM) material of non-antiflaming system, with
Cable accessory voltage class gradually steps up, because a variety of causes causes cable accessory that short circuit occurs, high-voltage breakdown happens occasionally, by
In the sprawling of the intensity of a fire, and make it that whole electronic box all burns, and brings about great losses, therefore the cable accessory of high flame resistance is to whole
The importance of transmission system is self-evident, is necessary a kind of conductive ethylene-propylene-diene monomer of high flame resistance of development ＆ production completely
Glue, to solve the defects of presently, there are.
The content of the invention
In order to solve the problems, such as that cable of the prior art is easily broken down by high-voltage generation short circuit so as to burn, this hair
Bright to provide a kind of high flame resistance conduction ethylene propylene diene rubber and preparation method thereof, it can solve existing cable annex conducting screen
Cover the problem of layer easy firing be not fire-retardant.
The technical scheme for realizing the object of the invention is：
A kind of high flame resistance conduction ethylene propylene diene rubber, is made up of following component by weight：
Ethylene propylene diene rubber 30-40 parts
Zinc oxide 1.5-2 parts
Stearic acid 0.3-0.5 parts
Aluminium hydroxide 12-18 parts
Conductive black 20-25 parts
Paraffin oil 10-15 parts
TDE 6-9 parts
Antimony oxide 3-5 parts
Accelerator 0.8-1.2 parts
Sulphur 0.4-0.7 parts.
The ethylene propylene diene rubber is rubber raw materials, and the zinc oxide and stearic acid are activating agent, the aluminium hydroxide, ten
Bromine diphenylethane, antimony oxide are fire retardant, and paraffin oil is rubber plastizing agent, and sulphur is vulcanizing agent.
More specifically technical scheme can also be in above-mentioned technical proposal：By weight percentage, the ethylene-propylene-diene monomer
34.55 parts of glue, 1.6 parts of the zinc oxide, 0.35 part of the stearic acid, 15 parts of the aluminium hydroxide, the conductive black 21
Part, 11 parts of the paraffin oil, 7.5 parts of the TDE, 7.5 parts of the antimony oxide, 1 part of the accelerator, institute
State 0.5 part of sulphur.
Further, the Mooney viscosity of the ethylene propylene diene rubber（ML125℃ 1+4 ）For 35-50, ENB（Ice drops in ethylidene
Piece alkene）The 3-9% of ethylene propylene diene rubber gross weight is accounted for, ethene accounts for the 50-70% of ethylene propylene diene rubber gross weight.
Further, the mesh number of the aluminium hydroxide is 800-3250 mesh.
Further, the specific insulation of the conductive black<0.17 Ω cm, DBP oil factor 160-250ml/100g,
Specific surface area 240-300 m2/g.
Further, the accelerator be ethylene propylene diene rubber specific complex accelerator (trade name EM-33 or EG-3) or
Person include zinc dibutyl dithiocaarbamate, MBT, N- cyclohexyls -2-[4-morpholinodithio sulfenamide,
One or more of or a variety of cooperations in tetra-sulfurized pair pentamethylene thiuram, tetramethylthiuram disulfide.
The present invention also provides a kind of preparation method of high flame resistance conduction ethylene propylene diene rubber, comprises the following steps：
1）The pre- thermal cleaning of banbury start, 30-50 DEG C of control banbury rotating shaft operating temperature, by the ethylene-propylene-diene monomer of recipe quantity
Glue, zinc oxide, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide put into banburying
Banburying in machine, mixing time 8-10 minutes, 130 DEG C -160 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 4mm-8mm
Thick slice is cooled to room temperature, obtains no sulphur A refining glues, stand-by；
2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards
Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material
Material.
Cable accessory high flame retardant can be made through sulfidization molding in the high flame resistance conduction ethylene propylene diene rubber of the present invention
The conductive layer of the conductive ethylene propylene diene rubber of energy.
Beneficial effects of the present invention：
The present invention is and fire-retardant with aluminium hydroxide, TDE, three kinds of antimony oxide due to using by ethylene propylene diene rubber
Agent is used as flame-retardant system, and its fire resistance is greatly improved, and adds conductive black, while electric conductivity, stretch,
Tearing strength is improved, and combination property is good.
Embodiment
Embodiment 1
A kind of high flame resistance conduction ethylene propylene diene rubber, including composition composition by weight：
36 parts of ethylene propylene diene rubber
1.8 parts of zinc oxide
0.36 part of stearic acid
15.5 parts of aluminium hydroxide
22.3 parts of conductive black
11.5 parts of paraffin oil
7.2 parts of TDE
3.8 parts of antimony oxide
1.1 parts of accelerator
0.44 part of sulphur.
The Mooney viscosity of above-mentioned ethylene propylene diene rubber（ML125℃ 1+4 ）For 40, ENB mass fractions 5%, Ethylene mass point
Number 55%；The mesh number of above-mentioned aluminium hydroxide is 1500 mesh；Ω cm, the DBP oil factors of specific insulation 0.15 of above-mentioned conductive black
174ml/100g, the m2/g of specific surface area 254；Above-mentioned accelerator is ethylene propylene diene rubber specific complex accelerator (trade name EM-
33 or EG-3), MBT, N- cyclohexyls -2-[4-morpholinodithio sulfenamide three and with mixture, the three
Ratio of weight and number is：2.3：1：1, by by ethylene propylene diene rubber, and with aluminium hydroxide, TDE, antimony oxide
Three kinds of fire retardants are used as flame-retardant system, and its fire resistance is greatly improved, and add conductive black, while electric conductivity
Can, stretching, tearing strength are improved, and combination property is good.
Preparation method：
1）The pre- thermal cleaning of banbury start, 30 DEG C of control banbury rotating shaft operating temperature, by the ethylene propylene diene rubber of recipe quantity, oxygen
Change zinc, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide are put into close in banbury
Refining, mixing time 8-10 minutes, 135 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 4mm thickness slices and is cooled to room temperature,
No sulphur A refining glues are obtained, it is stand-by；
2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards
Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material
Material.
Embodiment 2
A kind of high flame resistance conduction ethylene propylene diene rubber, including composition composition by weight：
34.55 parts of ethylene propylene diene rubber
1.6 parts of zinc oxide
0.35 part of stearic acid
15 parts of aluminium hydroxide
21 parts of conductive black
11 parts of paraffin oil
7.5 parts of TDE
7.5 parts of antimony oxide
1 part of accelerator
0.5 part of sulphur.
The Mooney viscosity of above-mentioned ethylene propylene diene rubber（ML125℃ 1+4 ）For 42, ENB mass fractions 3%, Ethylene mass point
Number 67%；The mesh number of above-mentioned aluminium hydroxide is 1000 mesh；Ω cm, the DBP oil factors of specific insulation 0.12 of above-mentioned conductive black
190ml/100g, the m2/g of specific surface area 290；Above-mentioned accelerator is MBT, N- cyclohexyls -2-[4-morpholinodithio
Sulfenamide and tetra-sulfurized pair pentamethylene thiuram three simultaneously with mixture, three's ratio of weight and number are：1.2：1：1, pass through by
Ethylene propylene diene rubber, and it is used as fire retardant with aluminium hydroxide, TDE, three kinds of fire retardants of antimony oxide
System, its fire resistance are greatly improved, and add conductive black, while electric conductivity, stretching, tearing strength are improved, comprehensive
Close functional.
Preparation method
1）The pre- thermal cleaning of banbury start, 50 DEG C of control banbury rotating shaft operating temperature, by the ethylene propylene diene rubber of recipe quantity, oxygen
Change zinc, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide are put into close in banbury
Refining, mixing time 8-10 minutes, 140 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 6mm thickness slices and is cooled to room temperature,
No sulphur A refining glues are obtained, it is stand-by；
2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards
Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material
Material.
Embodiment 3
A kind of high flame resistance conduction ethylene propylene diene rubber, including composition composition by weight：
30 parts of ethylene propylene diene rubber
2 parts of zinc oxide
0.5 part of stearic acid
18 parts of aluminium hydroxide
25 parts of conductive black
15 parts of paraffin oil
9 parts of TDE
5 parts of antimony oxide
1.2 parts of accelerator
0.7 part of sulphur.
The Mooney viscosity of above-mentioned ethylene propylene diene rubber（ML125℃ 1+4 ）For 45, ENB mass fractions 9%, Ethylene mass point
Number 65%；The mesh number of above-mentioned aluminium hydroxide is 3250 mesh；Ω cm, the DBP oil factors of specific insulation 0.11 of above-mentioned conductive black
220ml/100g, the m2/g of specific surface area 275；Above-mentioned accelerator is ethylene propylene diene rubber specific complex accelerator (trade name EM-
33 or EG-3), MBT, tetramethylthiuram disulfide three and with mixture, three's ratio of weight and number
For：2.3：1：1, by by ethylene propylene diene rubber, and with aluminium hydroxide, TDE, three kinds of fire retardants of antimony oxide
Flame-retardant system is used as, its fire resistance is greatly improved, and adds conductive black, while electric conductivity, stretches, tears
Resistance to spalling is improved, and combination property is good.
Preparation method：
1）The pre- thermal cleaning of banbury start, 35 DEG C of control banbury rotating shaft operating temperature, by the ethylene propylene diene rubber of recipe quantity, oxygen
Change zinc, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide are put into close in banbury
Refining, mixing time 8-10 minutes, 150 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 8mm thickness slices and is cooled to room temperature,
No sulphur A refining glues are obtained, it is stand-by；
2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards
Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material
Material.
Embodiment 4
A kind of high flame resistance conduction ethylene propylene diene rubber, including composition composition by weight：
40 parts of ethylene propylene diene rubber
1.52 parts of zinc oxide
0.3 part of stearic acid
12 parts of aluminium hydroxide
20 parts of conductive black
10 parts of paraffin oil
6 parts of TDE
3 parts of antimony oxide
0.8 part of accelerator
0.4 part of sulphur.
The Mooney viscosity of above-mentioned ethylene propylene diene rubber（ML125℃ 1+4 ）For 50, ENB mass fractions 7%, Ethylene mass point
Number 60%；The mesh number of above-mentioned aluminium hydroxide is 800 mesh；Ω cm, the DBP oil factors of specific insulation 0.08 of above-mentioned conductive black
250ml/100g, specific surface area 265m2/g；Above-mentioned accelerator is zinc dibutyl dithiocaarbamate, 2- mercapto alcohol radical benzos
Thiazole, N- cyclohexyls -2-[4-morpholinodithio sulfenamide three simultaneously with mixture, three's ratio of weight and number are：1.2：1：1, lead to
Cross ethylene propylene diene rubber, and resistance is used as with aluminium hydroxide, TDE, three kinds of fire retardant synergies of antimony oxide
Combustion system, its fire resistance are greatly improved, and add conductive black, while electric conductivity, and stretching, tearing strength are carried
Height, combination property are good.
Preparation method：
1）The pre- thermal cleaning of banbury start, 40 DEG C of control banbury rotating shaft operating temperature, by the ethylene propylene diene rubber of recipe quantity, oxygen
Change zinc, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide are put into close in banbury
Refining, mixing time 8-10 minutes, 160 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 7mm thickness slices and is cooled to room temperature,
No sulphur A refining glues are obtained, it is stand-by；
2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards
Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material
Material.
Embodiment 5
37 parts of ethylene propylene diene rubber
1.6 parts of zinc oxide
0.4 part of stearic acid
15 parts of aluminium hydroxide
22 parts of conductive black
13 parts of paraffin oil
7 parts of TDE
4 parts of antimony oxide
0.9 part of accelerator
0.6 part of sulphur.
The Mooney viscosity of above-mentioned ethylene propylene diene rubber（ML125℃ 1+4 ）For 35, ENB mass fractions 8%, Ethylene mass point
Number 70%；The mesh number of above-mentioned aluminium hydroxide is 2500 mesh；Ω cm, the DBP oil factors of specific insulation 0.13 of above-mentioned conductive black
160ml/100g, specific surface area 240m2/g；Above-mentioned accelerator is ethylene propylene diene rubber specific complex accelerator (trade name EM-
33 or EG-3), MBT and tetra-sulfurized pair pentamethylene thiuram three and with mixture, three's ratio of weight and number
For：2.3：1：1, by by ethylene propylene diene rubber, and with aluminium hydroxide, TDE, three kinds of fire retardants of antimony oxide
Flame-retardant system is used as, its fire resistance is greatly improved, and adds conductive black, while electric conductivity, stretches, tears
Resistance to spalling is improved, and combination property is good.
Preparation method：
1）The pre- thermal cleaning of banbury start, 45 DEG C of control banbury rotating shaft operating temperature, by the ethylene propylene diene rubber of recipe quantity, oxygen
Change zinc, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide are put into close in banbury
Refining, mixing time 8-10 minutes, 130 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 6mm thickness slices and is cooled to room temperature,
No sulphur A refining glues are obtained, it is stand-by；
2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards
Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material
Material.
The flame retardant test of embodiment 6
Method of testing is with reference to UL94-2016 instrument and the flammability of part of appliance plastics measure.
Pretreatment：
1）At least 48h is placed under 23 ± 2 DEG C, 50 ± 10%RH environmental condition；
2）70 ± 2 DEG C of 168 ± 2h of aging, then place at least 4h in re-dry device and be cooled to room temperature.
Testing procedure：
20 ± 1mm of flame height, Bunsen burner are placed in center position below sample, the Bunsen burner mouth of pipe away from 10 ± 1mm of sample bottom,
The duration of ignition is 10 ± 0.5s, removes Bunsen burner at least 150mm with 300mm/sec speed after the 10 ± 0.5s that lights a fire, opens simultaneously
Begin record residual flame time t1, and residual flame should light 10 ± 0.5s immediately when stopping, with 300mm/sec speed after the 10 ± 0.5s that lights a fire
Bunsen burner at least 150mm is removed, while records residual flame time t2 and Yu Ran times t3.
Cut specimen size：100mm×13mm×3.78mm.
Test specimen is respectively sample prepared by embodiment 1-5, white good 1-5.
Judgment criteria：
Result of the test：
Remarks：T1, t2 are the residual flame time, and t3 is the remaining combustion time.
Conclusion：With reference to being required in UL94-2016, sample is through condition 1）Pretreatment, test result meet V-0 grades.
The above embodiment of the present invention is only the specific embodiment of the invention, but is not limited to embodiment, all not depart from this
In the case of inventive concept, equivalent modification and the prior art addition done according to the application are accordingly to be regarded as the technology of the present invention category.
Claims (8)
- A kind of 1. high flame resistance conduction ethylene propylene diene rubber, it is characterised in that：It is made up of by weight following component：Ethylene propylene diene rubber 30-40 partsZinc oxide 1.5-2 partsStearic acid 0.3-0.5 partsAluminium hydroxide 12-18 partsConductive black 20-25 partsParaffin oil 10-15 partsTDE 6-9 partsAntimony oxide 3-5 partsAccelerator 0.8-1.2 partsSulphur 0.4-0.7 parts.
- 2. a kind of high flame resistance conduction ethylene propylene diene rubber according to claim 1, its spy are：The EPDM Rubber is rubber raw materials, and the zinc oxide and stearic acid are activating agent, and the aluminium hydroxide, TDE, three aoxidize two Antimony is fire retardant, and paraffin oil is rubber plastizing agent, and sulphur is vulcanizing agent.
- A kind of 3. high flame resistance conduction ethylene propylene diene rubber according to claim 2, it is characterised in that：By weight It is made up of following component：34.55 parts of the ethylene propylene diene rubber, 1.6 parts of the zinc oxide, 0.35 part of the stearic acid are described 15 parts of aluminium hydroxide, 21 parts of the conductive black, 11 parts of the paraffin oil, 7.5 parts of the TDE, three oxygen Change 7.5 parts of two antimony, 1 part of the accelerator, 0.5 part of the sulphur.
- A kind of 4. high flame resistance conduction ethylene propylene diene rubber according to claim 1 or 3, it is characterised in that：Described three The Mooney viscosity of first EP rubbers is 35-50, and ethylidene norbornene accounts for the 3-9% of ethylene propylene diene rubber gross weight, and ethene accounts for ternary The 50-70% of EP rubbers gross weight.
- A kind of 5. high flame resistance conduction ethylene propylene diene rubber according to claim 1, it is characterised in that the hydroxide The mesh number of aluminium is 800-3250 mesh.
- A kind of 6. high flame resistance conduction ethylene propylene diene rubber according to claim 1, it is characterised in that the conductive charcoal Black specific insulation<0.17 Ω cm, DBP oil factor 160-250ml/100g, specific surface area 240-300 m2/g.
- A kind of 7. high flame resistance conduction ethylene propylene diene rubber according to claim 1 or 3, it is characterised in that the promotion Agent is ethylene propylene diene rubber specific complex accelerator or includes zinc dibutyl dithiocaarbamate, 2- mercapto alcohol radical benzo thiophenes Azoles, N- cyclohexyls -2-[4-morpholinodithio sulfenamide, tetra-sulfurized pair pentamethylene thiuram, one kind in tetramethylthiuram disulfide Or a variety of cooperations.
- A kind of 8. preparation method of high flame resistance conduction ethylene propylene diene rubber, it is characterised in that：Comprise the following steps：1）The pre- thermal cleaning of banbury start, 30-50 DEG C of control banbury rotating shaft operating temperature, by the ethylene-propylene-diene monomer of recipe quantity Glue, zinc oxide, stearic acid, aluminium hydroxide, conductive black, paraffin oil, TDE and antimony oxide put into banburying Banburying in machine, mixing time 8-10 minutes, 130 DEG C -160 DEG C of dump temperature, it is thin logical to be put into mill afterwards, is rolled into 4mm-8mm Thick slice is cooled to room temperature, obtains no sulphur A refining glues, stand-by；2）Above-mentioned A refining glues are put into mill, the accelerator of recipe quantity and sulphur are added progress by bag roller on a mill afterwards Mixing, Bao Tong, slice after triangle bag 5-8 is beaten, after standing 10 as a child, obtain high flame resistance conduction ethylene-propylene-diene monomer glue material Material.
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Cited By (7)
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| CN109627609A (en) * | 2018-12-27 | 2019-04-16 | 江阴海达橡塑股份有限公司 | One kind superconducting EPT rubber packing item |
| CN110498975A (en) * | 2019-08-09 | 2019-11-26 | 东莞世纪创造绝缘有限公司 | A kind of fire retardant insulating rubber and preparation method thereof |
| CN112831188A (en) * | 2021-01-25 | 2021-05-25 | 安徽欣鼎高分子材料有限公司 | Rubber composition with conductivity and preparation method thereof |
| CN113698708A (en) * | 2021-09-07 | 2021-11-26 | 宁波工程学院 | Ethylene propylene diene monomer composition and preparation method thereof |
| CN115286874A (en) * | 2022-08-23 | 2022-11-04 | 江苏亨通叁原电工科技有限公司 | Rubber cable accessory material and preparation method thereof |
| CN115304950A (en) * | 2022-08-23 | 2022-11-08 | 东莞市利群榕兴高分子科技有限公司 | EPDM conductive spraying liquid with strong bonding force and low surface resistance and preparation method thereof |
| CN115975297A (en) * | 2022-12-02 | 2023-04-18 | 池州起帆电缆有限公司 | Preparation method of flame-retardant ethylene propylene diene monomer |
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Application publication date: 20180403 |