CN104371199A - Low-smoke halogen-free coal mine electric cable material and preparation method thereof - Google Patents
Low-smoke halogen-free coal mine electric cable material and preparation method thereof Download PDFInfo
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- CN104371199A CN104371199A CN201310354429.6A CN201310354429A CN104371199A CN 104371199 A CN104371199 A CN 104371199A CN 201310354429 A CN201310354429 A CN 201310354429A CN 104371199 A CN104371199 A CN 104371199A
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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
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
- C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C08L31/04—Homopolymers or copolymers of vinyl acetate
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
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- C08L2203/00—Applications
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- 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
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention discloses a low-smoke halogen-free coal mine electric cable material and a preparation method thereof. The raw materials of the low-smoke halogen-free coal mine electric cable material comprise an ethylene propylene diene monomer, an ethylene-vinyl acetate rubber, a fire retardation agent, a reinforcing agent, an anti-hydrolysis agent and a peroxide cross-linking agent. The low-smoke halogen-free coal mine electric cable material of the present invention is a thermosetting electric cable material, has low smoke during burning, has advantages of high temperature-low temperature (-40-120 DEG C) resistance, cracking resistance, corrosion resistance, ozone resistance and the like, meets environmental protection requirements, and does not contain any halogen-containing components. According to the present invention, with the combination of the ethylene propylene diene monomer and the ethylene-vinyl acetate rubber, the dispersion uniformity of other materials in the electric cable material is increased, and the molecular structure is improved, such that the softness of the electric cable material is good, the conditions such as the laying under the -40 DEG C low temperature environment and the like can be met for a long time, and the oxygen index and the good fire retardation are provided; and the low-smoke halogen-free coal mine electric cable material is suitable for the underground mine or the occasion of the special work environment having high security.
Description
Technical field
The invention belongs to CABLE MATERIALS technical field, be specifically related to a kind of low smoke and zero halogen Coal Electricity cable material and preparation method thereof.
Background technology
Environment residing for Coal Electricity cable is mostly at well for deep well coal mine or open coal mine, and the safety in colliery concerns safety of life and property.The sheath of existing coal mine cable adopts the mixture of chlorinatedpolyethylene and chloroprene rubber mostly, when sheath burns, not only can discharge a large amount of toxic gas, also can produce a large amount of smog simultaneously, secondary can be caused to endanger to the life of environment and people like this.Therefore, still there is certain problem in the security of current cable sheath and environment-friendly type.In addition, Coal Electricity cable material of the prior art is made by the material of thermoplastic material or Halogen component usually, and CABLE MATERIALS is comparatively hard, does not have elasticity and snappiness.Make cable without the feature of environmental protection and security therefore can not meet to use under special occasions.
Summary of the invention
Technical problem to be solved by this invention is for above shortcomings in prior art, a kind of low smoke and zero halogen Coal Electricity cable material and preparation method thereof is provided, this CABLE MATERIALS is not only water-fast effective, but also oil resistant, high-low temperature resistant (-40 DEG C ~ 120 DEG C), is rich in high elasticity and snappiness.Low cigarette during the burning of this CABLE MATERIALS, and due to its Halogen, so greatly reduce the secondary pollution to environment during burning, this CABLE MATERIALS is ep-type material.
The technical scheme that solution the technology of the present invention problem adopts is to provide a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Fire retardant,
Strengthening agent,
Hydrolysis-resisting agent,
Peroxide cross-linking agent.
Preferably, described composition of raw materials comprises following components by weight percent:
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Fire retardant 25 ~ 60 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts.
Preferably, described fire retardant is one or more in phosphorus-nitrogen containing flame retardant, aluminium hydroxide, magnesium hydroxide, phosphoric acid ester, antimonous oxide, zinc borate, ammonium polyphosphate.
Preferably, described fire retardant is phosphorus-nitrogen containing flame retardant and ammonium polyphosphate flame retardant.
Preferably, described composition of raw materials is made up of following components by weight percent:
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Phosphorus-nitrogen containing flame retardant 25 ~ 60 parts,
Ammonium polyphosphate flame retardant 30 ~ 45 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts.
Preferably, described composition of raw materials also comprises: coupling agent, anti-aging agent, zinc borate, nanoscale inorganic active agent.
Preferably, described composition of raw materials is made up of following components by weight percent:
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Fire retardant 25 ~ 60 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts,
Coupling agent 1.0 ~ 5.0 parts,
0.5 ~ 2.0 part, anti-aging agent,
Zinc borate 10 ~ 40 parts,
Nanoscale inorganic active agent 2.0 ~ 10 parts;
Or,
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Phosphorus-nitrogen containing flame retardant 25 ~ 60 parts,
Ammonium polyphosphate flame retardant 30 ~ 45 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts,
Coupling agent 1.0 ~ 5.0 parts,
0.5 ~ 2.0 part, anti-aging agent,
Zinc borate 10 ~ 40 parts,
Nanoscale inorganic active agent 2.0 ~ 10 parts.
Preferably, described strengthening agent be carbon black, white carbon black, magnesiumcarbonate, containing one or more in the compound of siloxane bond.
Preferably, described hydrolysis-resisting agent is one or more in polycarbodiimide SPKC8550-I, polycarbodiimide SPKC8550-II, polycarbodiimide SPKC8550-III, polycarbodiimide P-50.
It is further preferred that described hydrolysis-resisting agent is polycarbodiimide SPKC8550-III.
Preferably, described peroxide cross-linking agent is one or more in dual-tert-butyl dicumyl peroxide F-40, dual-tert-butyl dicumyl peroxide F40P-SP2, dual-tert-butyl dicumyl peroxide F-60.
Preferably, the Third monomer of described terpolymer EP rubber is ENB type ethylidene norbornene;
Ethylene content in described terpolymer EP rubber is 50 ~ 70wt%;
Vinyl acetate content in described ethene-vinyl acetate fat rubber is at 50 ~ 80wt%.
The present invention also provides a kind of preparation method of low smoke and zero halogen Coal Electricity cable material, comprises the following steps:
By terpolymer EP rubber and ethene-vinyl acetate fat rubber blended at 135 DEG C ~ 155 DEG C; Add fire retardant, strengthening agent, hydrolysis-resisting agent again; Be cooled to 80 DEG C ~ 100 DEG C, then add peroxide cross-linking agent, obtain a kind of low smoke and zero halogen Coal Electricity cable material.
A kind of low smoke and zero halogen Coal Electricity cable material in the present invention is thermoset CABLE MATERIALS, when burning, the amount of being fuming is little, there is obvious advantage the aspect such as high-low temperature resistant (-40 DEG C ~ 120 DEG C), cracking resistance, corrosion-resistant, ozone resistance, and meets environmental requirement.Not containing any Halogen component in this CABLE MATERIALS, by by terpolymer EP rubber and ethylene-vinyl acetate rubber and use, improve the dispersing uniformity of other material in CABLE MATERIALS, and improve molecular structure, make the flexibility of CABLE MATERIALS better, the laid condition etc. of cable under the low temperature environment of-40 DEG C can be met for a long time, there is higher oxygen index and good flame retardant properties; CABLE MATERIALS in the present embodiment is applicable to the occasion of mine or the very high a particular job environment of security.
Accompanying drawing explanation
Fig. 1 is the SEM figure of the aging front cross-section morphology of the CABLE MATERIALS in the embodiment of the present invention 5;
Fig. 2 be the CABLE MATERIALS in the embodiment of the present invention 5. aging after cross-section morphology SEM figure.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Fire retardant,
Strengthening agent,
Hydrolysis-resisting agent,
Peroxide cross-linking agent.
The present embodiment also provides a kind of preparation method of low smoke and zero halogen Coal Electricity cable material, comprises the following steps:
(1) terpolymer EP rubber input plasticated in rubber preparing device, its temperature controls at 140 DEG C.
(2) by formula rate, terpolymer EP rubber and ethene-vinyl acetate fat blend rubber, after 10 minutes, are added fire retardant, strengthening agent, hydrolysis-resisting agent; Its temperature controls at 140 DEG C.
(3) to be cooled to 80 ~ 100 DEG C, add peroxide cross-linking agent, reaction for some time obtains a kind of low smoke and zero halogen Coal Electricity cable material.
Terpolymer EP rubber water-fast effective, tolerable temperature is-70 DEG C ~ 180 DEG C, its low temperature resistant effective, there is ozone resistance, weathering resistance and electrical apparatus insulation simultaneously.The ethylene chain of terpolymer EP rubber has larger reactivity, thus makes vitrified transition temperature of its multipolymer low, and resistance to low temperature is good, and tear resistance is strong.But because the oil-proofness of terpolymer EP rubber, binding property are poor, limit its application in some field.
Ethylene-vinyl acetate rubber is ethene one acetate ethylene copolymer, its tolerable temperature is-40 DEG C ~ 180 DEG C, its high-temperature resistant result is good, there is the feature of oil resistant, Weather-resistant simultaneously, ethylene-vinyl acetate rubber has the special function of good snappiness, plasticity-, easy processing, Weather-resistant and chemicals-resistant, and the thermostability of its saturated main chain makes itself to have excellent heatproof oxidation performance energy.But the water tolerance of ethylene-vinyl acetate rubber is poor, viscosity is lower, price is more expensive.
Along with the enhancing of modernization industrial expansion and people's environmental consciousness, people for the use temperature of rubber item, work-ing life, product visual appearance and higher requirement is proposed on the impact of environment.Blended by polymkeric substance, can improve the performance of polymkeric substance, reach mutual supplement with each other's advantages, improve its service requirements.Terpolymer EP rubber and ethylene-vinyl acetate rubber blending can improve the thermotolerance of terpolymer EP rubber, oil-proofness, flame retardant resistance and binding property, also can improve the process industrial art performance of ethylene-vinyl acetate, suitably reduce costs.Terpolymer EP rubber and ethylene-vinyl acetate rubber are used as the raw material of CABLE MATERIALS by a kind of low smoke and zero halogen Coal Electricity cable material in the present embodiment simultaneously, and the CABLE MATERIALS finally obtained is not only water-fast effective, but also oil resistant, high temperature resistant, low temperature resistant.Low cigarette during the burning of this CABLE MATERIALS, and due to its Halogen, so greatly reduce the secondary pollution to environment during burning, this CABLE MATERIALS is ep-type material, and meanwhile, this CABLE MATERIALS has the characteristics such as counter-bending, cold-resistant, corrosion-resistant, resistance to ozone, uvioresistant.Peroxide cross-linking agent in CABLE MATERIALS can make terpolymer EP rubber and ethylene-vinyl acetate rubber all crosslinking reaction occur, linear molecule is made to form tridimensional network, thus the plasticity-of rubber is reduced, elastic strength increases, and improves the dispersing uniformity of other material in CABLE MATERIALS simultaneously.Adopt peroxide vulcanizing system to make the tensile strength of CABLE MATERIALS high, compression set is little, and over-all properties is good.
A kind of low smoke and zero halogen Coal Electricity cable material in the present embodiment is thermoset CABLE MATERIALS, when burning, the amount of being fuming is little, there is obvious advantage the aspect such as high-low temperature resistant (-40 DEG C ~ 120 DEG C), cracking resistance, corrosion-resistant, ozone resistance, and meets environmental requirement.Not containing any Halogen component in this CABLE MATERIALS, by by terpolymer EP rubber and ethylene-vinyl acetate rubber and use, improve the dispersing uniformity of other material in CABLE MATERIALS, and improve molecular structure, make the flexibility of CABLE MATERIALS better, the laid condition etc. of cable under the low temperature environment of-40 DEG C can be met for a long time, there is higher oxygen index and good flame retardant properties; CABLE MATERIALS in the present embodiment is applicable to the occasion of mine or the very high a particular job environment of security.
Embodiment 2
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Phosphorus-nitrogen containing flame retardant,
Strengthening agent carbon black,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-I,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-40.
The Third monomer of the terpolymer EP rubber in this CABLE MATERIALS is ENB type ethylidene norbornene, and the ethylene content in described terpolymer EP rubber is 50wt%.Vinyl acetate content in ethene-vinyl acetate fat rubber in CABLE MATERIALS is at 70wt%.
The present embodiment also provides a kind of preparation method of low smoke and zero halogen Coal Electricity cable material, comprises the following steps:
(1) terpolymer EP rubber input plasticated in rubber preparing device, its temperature controls at 135 DEG C.
(2) by formula rate, terpolymer EP rubber and ethene-vinyl acetate fat blend rubber, after 15 minutes, are added phosphorus-nitrogen containing flame retardant, strengthening agent carbon black, hydrolysis-resisting agent polycarbodiimide SPKC8550-I; Its temperature controls at 135 DEG C.
(3) to be cooled to 80 DEG C, add peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-40, reaction for some time obtains Coal Electricity cable material.
The present embodiment also provides a kind of Coal Electricity cable, comprises sheath and cable core, and the sheath of this CABLE MATERIALS is made up of above-mentioned CABLE MATERIALS.
A kind of low smoke and zero halogen Coal Electricity cable material in the present embodiment is P-N type fire retardant, its mixture be made up of phosphoric acid salt, polyvalent alcohol and nitrogenous compound, as shown in Table 1 and Table 2, after tested: P-N type fire retardant is Surface Creation one deck uniform porous carbonaceous foam layer when burning, thus make that CABLE MATERIALS is heat insulation, oxygen barrier, press down cigarette, low toxicity, non-corrosiveness gas produces, and has good fire-retardant and press down hood.Hydrolysis-resisting agent polycarbodiimide SPKC8550-I in a kind of low smoke and zero halogen Coal Electricity cable material in the present embodiment makes CABLE MATERIALS have good anti-water-fast and chemical-resistant, the function of contamination resistance.Phosphorus-nitrogen containing flame retardant and carbon black add the flame retardant properties and oxygen index that improve electric cable material with low smoke and halogen free, the adding also to have two kinds of rubber and have strengthening action of carbon black simultaneously.
Embodiment 3
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Fire retardant aluminium hydroxide,
Strengthening agent magnesiumcarbonate,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-III,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F40P-SP2.
Ethylene content in terpolymer EP rubber in this CABLE MATERIALS is 60wt%.Vinyl acetate content in ethene-vinyl acetate fat rubber in CABLE MATERIALS is at 80wt%.
The present embodiment also provides a kind of preparation method of low smoke and zero halogen Coal Electricity cable material, comprises the following steps:
(1) terpolymer EP rubber input plasticated in rubber preparing device, its temperature controls at 155 DEG C.
(2) by formula rate, terpolymer EP rubber and ethene-vinyl acetate fat blend rubber, after 3 minutes, are added fire retardant aluminium hydroxide, strengthening agent magnesiumcarbonate, hydrolysis-resisting agent polycarbodiimide SPKC8550-III; Its temperature controls at 155 DEG C.
(3) to be cooled to 90 DEG C, add peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F40P-SP2, reaction for some time obtains Coal Electricity cable material.
Embodiment 4
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises following components by weight percent:
Terpolymer EP rubber 40 parts,
Ethylene-vinyl acetate rubber 60 parts,
Fire retardant 25 parts,
Strengthening agent 50 parts,
Hydrolysis-resisting agent 0.1 part,
Peroxide cross-linking agent 3.0 parts.
Ethylene content in terpolymer EP rubber in this CABLE MATERIALS is 70wt%.Vinyl acetate content in ethylene-vinyl acetate rubber in CABLE MATERIALS is at 50wt%.
The present embodiment also provides a kind of preparation method of low smoke and zero halogen Coal Electricity cable material, comprises the following steps:
(1) terpolymer EP rubber input plasticated in rubber preparing device, its temperature controls at 145 DEG C.
(2) by formula rate, terpolymer EP rubber and ethylene-vinyl acetate blend rubber, after 3 minutes, are added fire retardant, strengthening agent, hydrolysis-resisting agent; Its temperature controls at 155 DEG C.
(3) to be cooled to 90 DEG C, add peroxide cross-linking agent, reaction for some time obtains a kind of low smoke and zero halogen Coal Electricity cable material.
Embodiment 5
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises following components by weight percent:
Terpolymer EP rubber 60 parts,
Ethylene-vinyl acetate rubber 50 parts,
Fire retardant magnesium hydroxide and 42 parts, aluminium hydroxide (wherein, the mass ratio of magnesium hydroxide and aluminium hydroxide is 1: 1),
30 parts, strengthening agent potter's clay,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-II 2.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-607.0 part.
Fig. 1 be this CABLE MATERIALS aging before cross-section morphology SEM figure, Fig. 2 be this CABLE MATERIALS aging after cross-section morphology SEM figure, the aging condition of the CABLE MATERIALS in Fig. 2 is by CABLE MATERIALS at 120 DEG C, aging 168h.As shown in Table 1 and Table 2, the aging coefficient of the CABLE MATERIALS after aging in the CABLE MATERIALS before aging in Fig. 1 and Fig. 2 there is no that what changes, and this point can be able to embody with aging rear substantially change before ageing by every characterization parameter of CABLE MATERIALS from table 1 and table 2.Due to ethylene-propylene rubber(EPR) and ethylene-vinyl acetate rubber can under the working temperature of 150 DEG C life-time service, so make the CABLE MATERIALS be made up of these two kinds of rubber blendings improve heat aging property.
Embodiment 6
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises following components by weight percent:
Terpolymer EP rubber 50 parts,
Ethylene-vinyl acetate rubber 40 parts,
Fire retardant phosphoric acid ester 60 parts,
Strengthening agent white carbon black and White Carbon black (wherein, the mass ratio of carbon black and white carbon black is 1:1) 5.0 parts,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-II 5.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-405.0 part.
Embodiment 7
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Phosphorus-nitrogen containing flame retardant,
Ammonium polyphosphate flame retardant,
Strengthening agent,
Hydrolysis-resisting agent,
Peroxide cross-linking agent.
Adding of ammonium polyphosphate, composite flame-proof material and zinc borate and carbon black, make CABLE MATERIALS that propagation of flame can not be caused at short notice greatly to reduce raw smoke which, and improve the oxygen index of sizing material.
Embodiment 8
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 45 parts,
Ethylene-vinyl acetate rubber 58 parts,
Phosphorus-nitrogen containing flame retardant 42 parts,
Ammonium polyphosphate P-50 fire retardant 45 parts,
Strengthening agent carbon black 20 parts,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-III 3.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-60 4.0 parts.
Embodiment 9
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 55 parts,
Ethylene-vinyl acetate rubber 55 parts,
Phosphorus-nitrogen containing flame retardant 25 parts,
Ammonium polyphosphate flame retardant SPKC8550-I and ammonium polyphosphate SPKC8550-I (wherein, the mass ratio of ammonium polyphosphate SPKC8550-I and ammonium polyphosphate SPKC8550-I is 2: 1) 37 parts,
Strengthening agent white carbon black 40 parts,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-II 4.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-606.0 part.
Embodiment 10
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 60 parts,
Ethylene-vinyl acetate rubber 42 parts,
Phosphorus-nitrogen containing flame retardant 60 parts,
Ammonium polyphosphate flame retardant 30 parts,
10 parts, strengthening agent magnesiumcarbonate,
Hydrolysis-resisting agent polycarbodiimide P-50 4.5 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F40P-SP25.0 part.
Embodiment 11
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Fire retardant,
Strengthening agent,
Hydrolysis-resisting agent,
Peroxide cross-linking agent,
Coupling agent,
Anti-aging agent,
Zinc borate,
Nanoscale inorganic active agent.
Nanoscale inorganic active agent gives full play to promotor effect, shortens curing time and also has reinforcement effect outward.
Embodiment 12
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 41 parts,
Ethylene-vinyl acetate rubber 58 parts,
Phosphorus-nitrogen containing flame retardant 55 parts,
Strengthening agent Calucium Silicate powder 10 parts,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-II 4.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-606.0 part,
Coupling agent 5.0 parts,
2.0 parts, anti-aging agent,
Zinc borate 40 parts,
Nanoscale inorganic active agent 6.0 parts.
Zinc borate in the present embodiment is nano novel fire retardant.
Embodiment 13
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 56 parts,
Ethylene-vinyl acetate rubber 49 parts,
Fire retardant antimonous oxide 28 parts,
Strengthening agent silicon-dioxide 40 parts,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-III 3.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-4 4.0 parts,
Coupling agent 3.0 parts,
1.5 parts, anti-aging agent,
Zinc borate 10 parts,
Nanoscale inorganic active agent 2.0 parts.
Embodiment 14
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 50 parts,
Ethylene-vinyl acetate rubber 40 parts,
Ammonium polyphosphate flame retardant 60 parts,
5.0 parts, strengthening agent magnesiumcarbonate,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-I 5.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F40P-SP27.0 part,
Coupling agent 1.0 parts,
0.5 part, anti-aging agent,
Zinc borate 25 parts,
Nanoscale inorganic active agent 10 parts.
Embodiment 15
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Phosphorus-nitrogen containing flame retardant,
Ammonium polyphosphate flame retardant,
Strengthening agent,
Hydrolysis-resisting agent,
Peroxide cross-linking agent.
Coupling agent, anti-aging agent, zinc borate, nanoscale inorganic active agent.
Embodiment 16
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 40 parts,
Ethylene-vinyl acetate rubber 60 parts,
Phosphorus-nitrogen containing flame retardant 60 parts,
Ammonium polyphosphate flame retardant 30 parts,
Strengthening agent white carbon black 50 parts,
Hydrolysis-resisting agent polycarbodiimide P-50 2.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-4 3.0 parts,
Coupling agent 4.0 parts,
1.0 parts, anti-aging agent,
Zinc borate 30 parts,
Nanoscale inorganic active agent 8.0 parts.
As shown in Table 1 and Table 2, the tensile strength of this CABLE MATERIALS is high, and elongation at break is high, and oxygen index is high; At 120 DEG C after aging 168 hours, tensile strength velocity of variation is low, and elongation at break velocity of variation is low.The density obtaining CABLE MATERIALS finished product in production is little, and green tensile intensity is high, and original broken elongation is high; At 75 ± 2 DEG C, after aging 240 hours, tensile strength velocity of variation is little, and elongation at break velocity of variation is little, and oxygen index is high, and smoke density is little, and tear resistance is strong; At 100 ± 2 DEG C, infiltrate 24 hours, immersion oil back draft change rate of strength is large, and after immersion oil, elongation at break velocity of variation is large, meets the requirement of MT818-2009 national standard.
Embodiment 17
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 50 parts,
Ethylene-vinyl acetate rubber 50 parts,
Phosphorus-nitrogen containing flame retardant 42 parts,
Ammonium polyphosphate flame retardant 37 parts,
Strengthening agent carbon black 5.0 parts,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-III 3.5 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F40P-SP2 and dual-tert-butyl dicumyl peroxide F-60 (wherein, the mass ratio of dual-tert-butyl dicumyl peroxide F40P-SP2 and dual-tert-butyl dicumyl peroxide F-60 is 1: 2) 7.0 parts,
Coupling agent 5.0 parts,
0.5 part, anti-aging agent,
Zinc borate 10 parts,
Nanoscale inorganic active agent 2.0 parts.
Embodiment 18
The present embodiment provides a kind of low smoke and zero halogen Coal Electricity cable material, and the composition of raw materials of this CABLE MATERIALS is made up of following components by weight percent:
Terpolymer EP rubber 60 parts,
Ethylene-vinyl acetate rubber 40 parts,
Phosphorus-nitrogen containing flame retardant 25 parts,
Ammonium polyphosphate flame retardant 45 parts,
30 parts, strengthening agent potter's clay,
Hydrolysis-resisting agent polycarbodiimide SPKC8550-I 5.0 parts,
Peroxide cross-linking agent dual-tert-butyl dicumyl peroxide F-603.0 part,
Coupling agent 1.0 parts,
2.0 parts, anti-aging agent,
Zinc borate 40 parts,
Nanoscale inorganic active agent 10 parts.
The performance table of the CABLE MATERIALS in table 1. embodiment 2,5,16
Table 2. embodiment 2,5,16 obtains the performance table of CABLE MATERIALS finished-product material in producing
Table 1. is the performance table of the CABLE MATERIALS in embodiment 2,5,16, and this CABLE MATERIALS is at 120 DEG C, and after aging 168 hours, tensile strength velocity of variation is low, and elongation at break velocity of variation is low.Table 2 is the performance table of finished-product material of the CABLE MATERIALS during embodiment 2,5,16 is produced, and at this CABLE MATERIALS 75 ± 2 DEG C, after aging 240 hours, tensile strength velocity of variation is low, and elongation at break velocity of variation is low.As can be seen from the data in above-mentioned table 1 and table 2, this CABLE MATERIALS is heat-resisting, oil resistant, fire-retardant, low cigarette, anti tear.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (12)
1. a low smoke and zero halogen Coal Electricity cable material, is characterized in that, the composition of raw materials of this CABLE MATERIALS comprises:
Terpolymer EP rubber,
Ethylene-vinyl acetate rubber,
Fire retardant,
Strengthening agent,
Hydrolysis-resisting agent,
Peroxide cross-linking agent.
2. a kind of low smoke and zero halogen Coal Electricity cable material according to claim 1, it is characterized in that, described composition of raw materials comprises following components by weight percent:
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Fire retardant 25 ~ 60 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts.
3. a kind of low smoke and zero halogen Coal Electricity cable material according to claim 1, it is characterized in that, described fire retardant is one or more in phosphorus-nitrogen containing flame retardant, aluminium hydroxide, magnesium hydroxide, phosphoric acid ester, antimonous oxide, zinc borate, ammonium polyphosphate.
4. a kind of low smoke and zero halogen Coal Electricity cable material according to claim 3, it is characterized in that, described fire retardant is phosphorus-nitrogen containing flame retardant and ammonium polyphosphate flame retardant.
5. a kind of low smoke and zero halogen Coal Electricity cable material according to claim 4, it is characterized in that, described composition of raw materials is made up of following components by weight percent:
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Phosphorus-nitrogen containing flame retardant 25 ~ 60 parts,
Ammonium polyphosphate flame retardant 30 ~ 45 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts.
6. a kind of low smoke and zero halogen Coal Electricity cable material according to claim 1 or 4, it is characterized in that, described composition of raw materials also comprises: coupling agent, anti-aging agent, zinc borate, nanoscale inorganic active agent.
7. a kind of low smoke and zero halogen Coal Electricity cable material according to claim 6, it is characterized in that, described composition of raw materials is made up of following components by weight percent:
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Fire retardant 25 ~ 60 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts,
Coupling agent 1.0 ~ 5.0 parts,
0.5 ~ 2.0 part, anti-aging agent,
Zinc borate 10 ~ 40 parts,
Nanoscale inorganic active agent 2.0 ~ 10 parts;
Or,
Terpolymer EP rubber 40 ~ 60 parts,
Ethylene-vinyl acetate rubber 40 ~ 60 parts,
Phosphorus-nitrogen containing flame retardant 25 ~ 60 parts,
Ammonium polyphosphate flame retardant 30 ~ 45 parts,
Strengthening agent 5.0 ~ 50 parts,
Hydrolysis-resisting agent 0.1 ~ 5.0 part,
Peroxide cross-linking agent 3.0 ~ 7.0 parts,
Coupling agent 1.0 ~ 5.0 parts,
0.5 ~ 2.0 part, anti-aging agent,
Zinc borate 10 ~ 40 parts,
Nanoscale inorganic active agent 2.0 ~ 10 parts.
8. a kind of low smoke and zero halogen Coal Electricity cable material according to Claims 1 to 5 any one, is characterized in that, described strengthening agent be carbon black, white carbon black, magnesiumcarbonate, containing one or more in the compound of siloxane bond.
9. a kind of low smoke and zero halogen Coal Electricity cable material according to Claims 1 to 5 any one, it is characterized in that, described hydrolysis-resisting agent is one or more in polycarbodiimide SPKC8550-I, polycarbodiimide SPKC8550-II, polycarbodiimide SPKC8550-III, polycarbodiimide P-50.
10. a kind of low smoke and zero halogen Coal Electricity cable material according to Claims 1 to 5 any one, it is characterized in that, described peroxide cross-linking agent is one or more in dual-tert-butyl dicumyl peroxide F-40, dual-tert-butyl dicumyl peroxide F40P-SP2, dual-tert-butyl dicumyl peroxide F-60.
11. a kind of low smoke and zero halogen Coal Electricity cable material according to Claims 1 to 5 any one, is characterized in that,
The Third monomer of described terpolymer EP rubber is ENB type ethylidene norbornene;
Ethylene content in described terpolymer EP rubber is 50 ~ 70wt%;
Vinyl acetate content in described ethene-vinyl acetate fat rubber is at 50 ~ 80wt%.
The preparation method of 12. 1 kinds of low smoke and zero halogen Coal Electricity cable material, is characterized in that, comprise the following steps:
By terpolymer EP rubber and ethene-vinyl acetate fat rubber blended at 135 DEG C ~ 155 DEG C; Add fire retardant, strengthening agent, hydrolysis-resisting agent again; Be cooled to 80 DEG C ~ 100 DEG C, then add peroxide cross-linking agent, obtain described a kind of low smoke and zero halogen Coal Electricity cable material.
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