CN104558868A - Preparation method of corrosion-resistant flame-retardant cable rubber material - Google Patents
Preparation method of corrosion-resistant flame-retardant cable rubber material Download PDFInfo
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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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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic 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
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
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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
- C08L2205/03—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
Abstract
The invention discloses a preparation method of a corrosion-resistant flame-retardant cable rubber material, belonging to the technical field of rubber materials. The method comprises the following steps: taking ethylene propylene diene monomer rubber, pulverizing, and implanting C ions with an ion implantation apparatus to obtain modified ethylene propylene diene monomer rubber; sequentially adding the modified ethylene propylene diene monomer rubber, natural rubber, chlorinated polypropylene, ethylene-vinyl acetate copolymer, polylactic acid-glycollic acid copolymer, polydimethylsiloxane, 1,2-polybutadiene, liquid paraffin, talcum powder, carbon black, bromide, antimony trioxide, hydrated magnesium silicate, vulcanizing agent, vulcanization accelerator, silicon dioxide, stearic acid, anti-aging agent and tackifier into an open mill, and compounding to obtain compounded rubber; and putting the compounded rubber on a flat vulcanizing machine, and vulcanizing to obtain the flame-retardant cable rubber material. The cable rubber composition has the advantages of favorable flame retardancy and excellent alkali/acid corrosion resistance.
Description
Technical field
The present invention discloses a kind of preparation method of corrosion resistant flame retardant cable elastomeric material, belongs to technical field of rubber material.
Background technology
Containing the obnoxious flavour such as chlorine, benzene that a large amount of carbon monoxide and the burning of plastics chemical fibre produce in the smog produced after cable fire, flame also can cause respiratory tract to burn and laryngeal edema, and energy plunger fire passage, when therefore escaping in a fire, the impact of smog size is very large.In fire failure death toll, 80% does not directly burn to death, but the eye producing to cable in burning, poison, acid mist are smoked dead.
Cable industry custom is by fire-retardant (Fire Retardant), halide-free smokeless (Low Smoke Halogen Free, LSOH) or the cable with certain fire resistance such as low smoke and low halogen (Low Smoke Fume, LSF), fire-resistant (Fire Resistant) be referred to as fire-retardant fireproof cable.Although halogen-free flame-retardant cable toxicity is low, smoke density is little, without acid mist, make its cost significantly promote because it manufactures upper difficulty.The base-material of bittern-free flame-proof material is polyolefin PE and EVA composition, and it is combustible materials that its oxygen index is only about 18.In order to reach fire-retardant object, just the inorganic metal hydrates such as a considerable amount of magnesium hydroxides must be mixed into.General ratio is 100:120-150(weight ratio), these particles are turbid liquid state in organic polymer object, its particle binding substances gap its gap value larger is also large, initially the amount of touching is also large to cause the stress-strain of matrix material, therefore makes its pliability, elongation, tensile strength and infiltration defend degree severe exacerbation.
CN102875887B cable low-smoke halogen-free flame-retardant isolating material, comprises the weight part of following composition: base-material: 100.0; Inorganic combustion inhibitor: 100.0 ~ 200.0; Oxidation inhibitor: 0.1 ~ 8.0; Crosslinking sensitizer: 1.0 ~ 5.0; Anti-irradiation agent: 0.3 ~ 10.0; Described base-material is at least containing polyethylene and ethylene-methacrylic acid copolymer.CN102050971B discloses a kind of electric wire flame-retardant thermoset butyronitrile polyvinyl chloride rubber, it is characterized in that it includes the raw material of following parts by weight: Powdered acrylonitrile-butadiene rubber 50 ~ 70 parts, PVC resin powder 30 ~ 50 parts, vulcanizing agent 2 ~ 3 parts, promotor 2.5 ~ 4.5 parts, 4 ~ 6 parts, zinc oxide, stearic acid 2 ~ 3 parts, coumarone indene resin 1-3 part, 2 ~ 4 parts, anti-aging agent, clorafin 20 ~ 40 parts, antimonous oxide 7 ~ 10 parts, zinc borate 4 ~ 6 parts, 50 ~ 70 parts, aluminium hydroxide, carbon black 40 ~ 70 parts; The present invention, after exceeding certain temperature, only can be solidified, burn, but can also keep certain insulating property, and intensity, stretches rate, flame retardant properties all than General Purpose Rubber and thermoplasticity butyronitrile polyvinyl chloride rubber good.Although above-mentioned flame retardant rubber has certain flame retardant properties, its tensile property and corrosion resistance nature are but not good.
Summary of the invention
The object of the invention is: corrosion resistance nature and flame retardant properties that cable rubber is provided.
Technical scheme:
A preparation method for corrosion resistant flame retardant cable elastomeric material, comprises the steps:
1st step, by weight, get terpolymer EP rubber 80 ~ 120 parts, after pulverizing, with ion implanter, C(carbon injected to terpolymer EP rubber) ion, obtain modified EPT rubber;
2nd step, by modified EPT rubber, natural rubber 15 ~ 30 parts, Chlorinated Polypropylene III 5 ~ 10 parts, ethylene-vinyl acetate copolymer 5 ~ 12 parts, polylactic-co-glycolic acid 3 ~ 4 parts, polydimethylsiloxane 5 ~ 10 parts, 1, 2-polyhutadiene 6 ~ 12 parts, whiteruss 3 ~ 5 parts, talcum powder 5 ~ 15 parts, carbon black 20 ~ 30 parts, bromide 10 ~ 15 parts, antimonous oxide 6 ~ 12 parts, hydrated magnesium silicate 3 ~ 5 parts, vulcanizing agent 5 ~ 10 parts, vulcanization accelerator 3 ~ 6 parts, silicon-dioxide 6 ~ 12 parts, stearic acid 7 ~ 15 parts, 5 ~ 7 parts, anti-aging agent, tackifier 3 ~ 5 parts add in mill successively, mixing 10 ~ 20min at 70 ~ 120 DEG C, obtain rubber unvulcanizate,
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 10 ~ 20min at 140 ~ 200 DEG C, obtained flame retardant cable elastomeric material.
In the 1st described step, C ion consumption is 1 ~ 3 part; Ion energy is 20 ~ 30keV; Beam current density scope is 0.5 ~ 0.8mA/ cm
2; The ion source adopted to be purity be more than 98% graphite.
Described carbon black refers to carbon black N330.
In the 2nd described step, the chlorinity scope 28 ~ 32wt% of Chlorinated Polypropylene III.
In the 2nd described step, bromide is one or several the mixture in decabromodiphynly oxide, hexabromocyclododecane, ten tetrabromo two phenoxy group benzene.
Described vulcanizing agent is sulphur.
Described vulcanization accelerator is wherein a kind of or its combination in 2-benzothiazolyl mercaptan, dibenzothiazyl disulfide.
Described anti-aging agent is one or its combination of antioxidant 4010NA or paraffin.
Described tackifier are coumarone indene resin.
The specific surface area (BET method) of described silicon-dioxide is at 50 ~ 70 m
2between/g.
Described silicon-dioxide soaks modification in silane coupling agent; Described silane coupling agent is selected from one or several the mixture in KH-550, KH-560, KH-570.
beneficial effect
The cable rubber combination that the present invention prepares has good flame retardant properties, and performance that is alkaline-resisting, acid corrosion is also excellent.
Embodiment
Embodiment 1
1st step, get terpolymer EP rubber 80Kg, after pulverizing, with ion implanter, C ion is injected to terpolymer EP rubber, obtain modified EPT rubber; C ion consumption is 1Kg; Ion energy is 20keV; Beam current density scope is 0.5mA/ cm
2; The ion source adopted to be purity be more than 98% graphite;
2nd step, by modified EPT rubber, natural rubber 30Kg, Chlorinated Polypropylene III 10Kg (chlorinity 32wt%), ethylene-vinyl acetate copolymer 5Kg, polylactic-co-glycolic acid 4Kg, polydimethylsiloxane 10Kg, 1, 2-polyhutadiene 12Kg, whiteruss 5Kg, talcum powder 15Kg, carbon black (carbon black N330) 20Kg, bromide (decabromodiphynly oxide) 10Kg, antimonous oxide 6Kg, hydrated magnesium silicate 5Kg, vulcanizing agent (sulphur) 10Kg, vulcanization accelerator (2-benzothiazolyl mercaptan) 6Kg, (specific surface area (BET method) is at 50 ~ 70 m for silicon-dioxide
2between/g) 12Kg, stearic acid 15Kg, anti-aging agent (4010NA) 5Kg, tackifier (coumarone indene resin) 5Kg add in mill successively, and at 120 DEG C, mixing 10min, obtains rubber unvulcanizate,
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 10min at 140 DEG C, obtained flame retardant cable elastomeric material.
Embodiment 2
1st step, get terpolymer EP rubber 100Kg, after pulverizing, with ion implanter, C ion is injected to terpolymer EP rubber, obtain modified EPT rubber; C ion consumption is 2Kg; Ion energy is 25keV; Beam current density scope is 0.7mA/ cm
2; The ion source adopted to be purity be more than 98% graphite;
2nd step, by modified EPT rubber, natural rubber 20Kg, Chlorinated Polypropylene III 7Kg (chlorinity scope 30wt%), ethylene-vinyl acetate copolymer 10Kg, polylactic-co-glycolic acid 3Kg, polydimethylsiloxane 7Kg, 1, 2-polyhutadiene 10Kg, whiteruss 4Kg, talcum powder 10Kg, carbon black (carbon black N330) 25Kg, bromide (decabromodiphynly oxide) 12Kg, antimonous oxide 10Kg, hydrated magnesium silicate 4Kg, vulcanizing agent (sulphur) 8Kg, vulcanization accelerator (2-benzothiazolyl mercaptan) 5Kg, (specific surface area (BET method) is at 50 ~ 70 m for silicon-dioxide
2between/g) 7Kg, stearic acid 12Kg, anti-aging agent (4010NA) 6Kg, tackifier (coumarone indene resin) 4Kg add in mill successively, and at 9 DEG C, mixing 15min, obtains rubber unvulcanizate,
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 15min at 160 DEG C, obtained flame retardant cable elastomeric material.
Embodiment 3
Be with the difference of embodiment 2: silicon-dioxide KH-570 in silane coupling agent soaks modification in 4 hours.
1st step, get terpolymer EP rubber 100Kg, after pulverizing, with ion implanter, C ion is injected to terpolymer EP rubber, obtain modified EPT rubber; C ion consumption is 2Kg; Ion energy is 25keV; Beam current density scope is 0.7mA/ cm
2; The ion source adopted to be purity be more than 98% graphite;
2nd step, by modified EPT rubber, natural rubber 20Kg, Chlorinated Polypropylene III 7Kg (chlorinity scope 30wt%), ethylene-vinyl acetate copolymer 10Kg, polylactic-co-glycolic acid 3Kg, polydimethylsiloxane 7Kg, 1, 2-polyhutadiene 10Kg, whiteruss 4Kg, talcum powder 10Kg, carbon black (carbon black N330) 25Kg, bromide (decabromodiphynly oxide) 12Kg, antimonous oxide 10Kg, hydrated magnesium silicate 4Kg, vulcanizing agent (sulphur) 8Kg, vulcanization accelerator (2-benzothiazolyl mercaptan) 5Kg, (specific surface area (BET method) is at 50 ~ 70 m for improved silica
2between/g) 7Kg, stearic acid 12Kg, anti-aging agent (4010NA) 6Kg, tackifier (coumarone indene resin) 4Kg add in mill successively, and at 9 DEG C, mixing 15min, obtains rubber unvulcanizate,
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 15min at 160 DEG C, obtained flame retardant cable elastomeric material.
Reference examples 1
Be with the difference of embodiment 2: by C injection method, modification is not carried out to terpolymer EP rubber.
1st step, by terpolymer EP rubber 100Kg, natural rubber 20Kg, Chlorinated Polypropylene III 7Kg (chlorinity scope 30wt%), ethylene-vinyl acetate copolymer 10Kg, polylactic-co-glycolic acid 3Kg, polydimethylsiloxane 7Kg, 1, 2-polyhutadiene 10Kg, whiteruss 4Kg, talcum powder 10Kg, carbon black (carbon black N330) 25Kg, bromide (decabromodiphynly oxide) 12Kg, antimonous oxide 10Kg, hydrated magnesium silicate 4Kg, vulcanizing agent (sulphur) 8Kg, vulcanization accelerator (2-benzothiazolyl mercaptan) 5Kg, (specific surface area (BET method) is at 50 ~ 70 m for improved silica
2between/g) 7Kg, stearic acid 12Kg, anti-aging agent (4010NA) 6Kg, tackifier (coumarone indene resin) 4Kg add in mill successively, and at 9 DEG C, mixing 15min, obtains rubber unvulcanizate,
2nd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 15min at 160 DEG C, obtained flame retardant cable elastomeric material.
Reference examples 2
Be with the difference of embodiment 2: in the 2nd step, do not add polylactic-co-glycolic acid.
1st step, get terpolymer EP rubber 100Kg, after pulverizing, with ion implanter, C ion is injected to terpolymer EP rubber, obtain modified EPT rubber; C ion consumption is 2Kg; Ion energy is 25keV; Beam current density scope is 0.7mA/ cm
2; The ion source adopted to be purity be more than 98% graphite;
2nd step, by modified EPT rubber, natural rubber 20Kg, Chlorinated Polypropylene III 7Kg (chlorinity scope 30wt%), ethylene-vinyl acetate copolymer 10Kg, polydimethylsiloxane 7Kg, 1,2-polyhutadiene 10Kg, whiteruss 4Kg, talcum powder 10Kg, carbon black (carbon black N330) 25Kg, bromide (decabromodiphynly oxide) 12Kg, antimonous oxide 10Kg, hydrated magnesium silicate 4Kg, vulcanizing agent (sulphur) 8Kg, vulcanization accelerator (2-benzothiazolyl mercaptan) 5Kg, silicon-dioxide, (specific surface area (BET method) is at 50 ~ 70 m
2between/g) 7Kg, stearic acid 12Kg, anti-aging agent (4010NA) 6Kg, tackifier (coumarone indene resin) 4Kg add in mill successively, and at 9 DEG C, mixing 15min, obtains rubber unvulcanizate;
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 15min at 160 DEG C, obtained flame retardant cable elastomeric material.
Reference examples 3
Be with the difference of embodiment 2: in the 2nd step, do not add Chlorinated Polypropylene III.
1st step, get terpolymer EP rubber 100Kg, after pulverizing, with ion implanter, C ion is injected to terpolymer EP rubber, obtain modified EPT rubber; C ion consumption is 2Kg; Ion energy is 25keV; Beam current density scope is 0.7mA/ cm
2; The ion source adopted to be purity be more than 98% graphite;
2nd step, by modified EPT rubber, natural rubber 20Kg, ethylene-vinyl acetate copolymer 10Kg, polylactic-co-glycolic acid 3Kg, polydimethylsiloxane 7Kg, 1,2-polyhutadiene 10Kg, whiteruss 4Kg, talcum powder 10Kg, carbon black (carbon black N330) 25Kg, bromide (decabromodiphynly oxide) 12Kg, antimonous oxide 10Kg, hydrated magnesium silicate 4Kg, vulcanizing agent (sulphur) 8Kg, vulcanization accelerator (2-benzothiazolyl mercaptan) 5Kg, silicon-dioxide, (specific surface area (BET method) is at 50 ~ 70 m
2between/g) 7Kg, stearic acid 12Kg, anti-aging agent (4010NA) 6Kg, tackifier (coumarone indene resin) 4Kg add in mill successively, and at 9 DEG C, mixing 15min, obtains rubber unvulcanizate;
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 15min at 160 DEG C, obtained flame retardant cable elastomeric material.
Performance test
Oxygen index presses the method test in GB/T 2406-2008 " Plastics Combustion method for testing performance oxygen index method "; The corresponding standard value standard that to be >=32 be in JB/T10707-2007;
Tensile strength is tested according to the method for GB/T 1040.2-92 " plastic tensile method for testing performance "; Corresponding standard value >=9.0 are according to standard corresponding in JB/T 10707-2007;
Elongation at break is according to the method test in GB/T 1040.2-92 " plastic tensile method for testing performance ";
The performance test results of above-described embodiment and reference examples is as follows:
As can be seen from the table, the flame-proof cable material that the present invention prepares has good physical strength, wherein, can be found out by embodiment 2 and embodiment 3 contrast, by silicon-dioxide is carried out silane coupler modified after, its physical extension performance can be improved; Can be found out by reference examples 1 and embodiment, ion implantation by C, can tensile property be improved; Can find out that adding by polylactic-co-glycolic acid can improve oxygen index and elongation at break by reference examples 2 and embodiment.
Be positioned over by above-mentioned sample in the hydrochloric acid of 50 DEG C to soak after 7 days and take out, repeat above-mentioned test, result is as follows:
As can be seen from the table, owing to not adding terpolymer EP rubber in reference examples 2, result in after acid soak test, tensile strength and elongation at break obviously decline; Owing to not adding chlorinatedpolyethylene in reference examples 3, result in after acid soak test, declining appears in oxygen index and tensile strength.
Claims (10)
1. a preparation method for corrosion resistant flame retardant cable elastomeric material, is characterized in that, comprise the steps:
1st step, by weight, get terpolymer EP rubber 80 ~ 120 parts, after pulverizing, with ion implanter, C ion is injected to terpolymer EP rubber, obtain modified EPT rubber;
2nd step, by modified EPT rubber, natural rubber 15 ~ 30 parts, Chlorinated Polypropylene III 5 ~ 10 parts, ethylene-vinyl acetate copolymer 5 ~ 12 parts, polylactic-co-glycolic acid 3 ~ 4 parts, polydimethylsiloxane 5 ~ 10 parts, 1, 2-polyhutadiene 6 ~ 12 parts, whiteruss 3 ~ 5 parts, talcum powder 5 ~ 15 parts, carbon black 20 ~ 30 parts, bromide 10 ~ 15 parts, antimonous oxide 6 ~ 12 parts, hydrated magnesium silicate 3 ~ 5 parts, vulcanizing agent 5 ~ 10 parts, vulcanization accelerator 3 ~ 6 parts, silicon-dioxide 6 ~ 12 parts, stearic acid 7 ~ 15 parts, 5 ~ 7 parts, anti-aging agent, tackifier 3 ~ 5 parts add in mill successively, mixing 10 ~ 20min at 70 ~ 120 DEG C, obtain rubber unvulcanizate,
3rd step, rubber unvulcanizate is placed on vulcanizing press, sulfuration 10 ~ 20min at 140 ~ 200 DEG C, obtained flame retardant cable elastomeric material.
2. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: in the 1st described step, C ion consumption is 1 ~ 3 part; Ion energy is 20 ~ 30keV; Beam current density scope is 0.5 ~ 0.8mA/ cm
2; The ion source adopted to be purity be more than 98% graphite.
3. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: described carbon black refers to carbon black N330.
4. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: in the 2nd described step, the chlorinity scope 28 ~ 32wt% of Chlorinated Polypropylene III.
5. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: in the 2nd described step, and bromide is one or several the mixture in decabromodiphynly oxide, hexabromocyclododecane, ten tetrabromo two phenoxy group benzene.
6. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: described vulcanizing agent is sulphur.
7. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: described vulcanization accelerator is wherein a kind of or its combination in 2-benzothiazolyl mercaptan, dibenzothiazyl disulfide.
8. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: described anti-aging agent is one or its combination of antioxidant 4010NA or paraffin; Described tackifier are coumarone indene resin.
9. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: the specific surface area of described silicon-dioxide detects at 50 ~ 70 m according to BET method
2between/g.
10. the preparation method of corrosion resistant flame retardant cable elastomeric material according to claim 1, is characterized in that: described silicon-dioxide soaks modification in silane coupling agent; Described silane coupling agent is selected from one or several the mixture in KH-550, KH-560, KH-570.
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| CN112390992A (en) * | 2020-11-18 | 2021-02-23 | 湖南华菱线缆股份有限公司 | Corrosion-resistant flame-retardant cable sheath material |
| CN112321955A (en) * | 2020-12-04 | 2021-02-05 | 陕西省石油化工研究设计院 | Environment-friendly flame-retardant insulating rubber composite material and preparation method thereof |
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