CN105419072A - Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof - Google Patents

Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof Download PDF

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CN105419072A
CN105419072A CN201510968029.3A CN201510968029A CN105419072A CN 105419072 A CN105419072 A CN 105419072A CN 201510968029 A CN201510968029 A CN 201510968029A CN 105419072 A CN105419072 A CN 105419072A
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free flame
smoke halogen
electric wires
retardant
type electric
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吴叔青
余良兵
王小斌
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South China University of Technology SCUT
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South China University of Technology SCUT
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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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    • 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
    • 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
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/448—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from other vinyl compounds
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition
    • C—CHEMISTRY; METALLURGY
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    • 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
    • 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
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    • 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
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Abstract

The invention belongs to the technical field of materials and discloses a flexible low-smoke halogen-free flame-retardant wire and cable material and a preparation method thereof. The wire and cable material is prepared by using the following raw materials in parts by weight: 100 parts of ethylene-vinyl acetate copolymer, 1 to 70 parts of polyethylene, 30 to 100 parts of flame retardant, 5 to 20 parts of smoke suppressor, 0.1 to 5 parts of coupling agent, 1 to 20 parts of plasticizer, 0.1 to 10 parts of crosslinking agent, 3 to 15 parts of lubricant and 0.1 to 1 part of antioxidant. The wire and cable material disclosed by the invention is a thermoplastic sulfurized elastomer material, can be used for preparing insulating layers and sheath layers of wires and cables, and has the characteristics that no halogen is contained, the flame-retardant effect is good, the smoking amount is low, the surfaces of the insulating layers and sheath layers are smooth and do not stick with one another, the flexibility is good, the mechanical strength is high, the wear resistance is good, the processing fluidity is good, the process is simple and the material can be recycled.

Description

A kind of flexible low-smoke halogen-free flame-retardant type electric wires material and preparation method thereof
Technical field
The invention belongs to technical field of polymer materials, relate to a kind of thermoplastic vulcanizates elastomerics, be specifically related to a kind of insulation layer of flexible low-smoke halogen-free flame-retardant type electric wires or material of restrictive coating and preparation method thereof.
Background technology
Traditional electric wire and cable material many employings PVC and halogen containing flame-retardant are made, but Halogen fire retardant material can produce a large amount of noxious acidic gas and smoke density is high when burning, and causes serious harm to human-body safety problem.In order to address these problems, the polymeric matrix of people's many employings in recent years and flame retardant filler base and his auxiliary agent is blended makes low-smoke halogen-free flame-retardant electric wire and cable material.In matrix selection in many employings polyethylene (PE), ethylene-vinyl acetate copolymer (EVA), terpolymer EP rubber (EPDM), ethylene-octene copolymer (POE) one or more with the use of, flame retardant filler can select inorganic metal oxyhydroxide (as aluminium hydroxide, magnesium hydroxide etc.) and synergistic flame retardant (as red phosphorus, zinc borate etc.) thereof, expansion type flame retardant (phosphorus-nitrogen expansion type fire retardant, expansible black lead) etc.Because the loading level of fire retardant is high, the surface compatability of fire retardant and matrix is poor, make the over-all properties of intermingling material not good, be mainly manifested in that flame retarding efficiency is low, poor mechanical property, hardness are high, splitting resistance is bad, the electric wire surface irregularity made, granular sensation is strong, wear resisting property is poor, and dynamic vulcanization thermoplastic elastomer macromolecular material is limited by very large in the application of electric wire.
Chinese invention patent application CN101942141A discloses a kind of with PE, EVA, aluminium hydroxide, red phosphorus, compatilizer, linking agent, silicone oil, processing aid production fireproofing cable material without halide and preparation method thereof, Chinese invention patent application CN103435903A discloses one with ethylene-octene copolymer, terpolymer EP rubber and ethylene-vinyl acetate copolymer for matrix, take WinGel as low smoke and zero halogen halogen-free anti-flaming polyolefin thermoplastic elastomer of flame-retardant system and preparation method thereof.These patents adopt oxyhydroxide to be flame-retardant system, its fire retardant mechanism is not identical with the fire retardant mechanism of expansion type flame retardant, and the red phosphorus added is inflammable and explosive, can release irritant gas in combustion, can not meet the requirements such as the LSZH environmental protection of wire cable material, thus application is restricted.On the other hand, take directly dynamic vulcanization in Banbury mixer, be difficult to ensure the abundant mixing of material and the refinement of elastomer particle, thus the homogeneity ensureing product properties is difficult to, thus be difficult to the requirement meeting cable material over-all properties, easily there is melt fracture in the process of online cable wrap line, cause the problems such as cable surface is coarse, granular sensation strong, poor mechanical property.
Summary of the invention
In order to overcome the shortcoming and defect of prior art, the object of the present invention is to provide a kind of flexible low-smoke halogen-free flame-retardant type electric wires material, described wire cable material is thermoplastic vulcanizates elastomer material.
Another object of the present invention is to provide above-mentioned flexible low-smoke halogen-free flame-retardant type electric wires to protect the preparation method of material.
Technical scheme of the present invention realizes by the following technical solutions:
A kind of flexible low-smoke halogen-free flame-retardant type electric wires material, is prepared from by following raw material by weight:
The VA content of described ethylene-vinyl acetate copolymer is 10-70%.
Described polyethylene is Low Density Polyethylene or high density polyethylene(HDPE), and melting index is 0.1-30g/10min.
Described fire retardant is more than one in commercially available expansion type flame retardant Doher-6000, ExolitIFR-10, SpinflameMF-82, Phos-Chekp/40, Char-GuardCN-329, ST-EPFR-100D, expansible black lead or metal hydroxides.Described metal hydroxides be in magnesium hydroxide or aluminium hydroxide more than one.
Described smoke suppressant is more than one in ferrocene, ammonium octamolybdate, zinc borate, molybdic oxide, antimonous oxide, organic modification montmonrillonite or magnesium aluminum-hydrotalcite.
Described coupling agent is silane coupling agent, more than one in titanate coupling agent or Racemic glycidol ether compound.Described silane coupling agent is more than one of KH550, KH560, KH570 or A-1310; Described titanate coupling agent is more than one of TC-27, TC-WT, TC-114, TTS or KR-201; Described Racemic glycidol ether compound is more than one of ethylene glycol diglycidylether, propanetriol-diglycidyl-ether or polypropylene glycol diglycidyl ether.
Described softening agent is polarity plasticizer, and described polarity plasticizer is more than one in dioctyl phthalate (DOP), dioctyl terephthalate, trioctyl trimellitate, tritolyl phosphate, triphenylphosphate, epoxy glycerite three acid esters, epoxy aliphatic acid methyl ester or the different monooctyl ester of epoxystearic acid.
Described linking agent was dual-tert-butyl dicumyl peroxide, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexane of 5-, peroxidation two (2,4-dichloro-benzoyl), dicumyl peroxide, benzoyl peroxide, peroxidized t-butyl perbenzoate, iso-cyanuric acid triallyl ester and N, N ' more than one an of-penylene bismaleimides.
Described lubricant is more than one in stearic acid, Metallic stearates, glyceryl monostearate, Tristearoylglycerol, n-butyl stearate, stearic amide, glyceryl monooleate, two glyceryl ether monoleates, silicone master batch, silicone oil, polyethylene wax, oxidized polyethlene wax, whiteruss, naphthenic oil or amine hydroxybenzene.Described Metallic stearates be in Zinic stearas, calcium stearate, Magnesium Stearate or barium stearate more than one.
Described oxidation inhibitor is antioxidant 1010, oxidation inhibitor 198, more than one in irgasfos 168 and oxidation inhibitor B215.
The preparation method of described flexible low-smoke halogen-free flame-retardant type electric wires material, specifically comprises the following steps:
(1) by ethylene-vinyl acetate copolymer, polyethylene, fire retardant, smoke suppressant, coupling agent, softening agent, linking agent, lubricant and oxidation inhibitor, be placed in high-speed mixer and mix, obtain compound; Step (1) described mixing time is 4-8 minute;
(2) compound in step (1) being placed in Banbury mixer carries out mixing, obtains mixing materials; Step (2) described compounding conditions is in 60-200 DEG C of mixing 5-10 minute;
(3) by mixing materials single screw extrusion machine extruding pelletization in step (2), pellet is obtained; The temperature of step (3) described single screw extrusion machine is 60-200 DEG C, and the rotating speed of described single screw extrusion machine is 50-300r/min;
(4) pellet in step (3) is added extruding pelletization in twin screw extruder, obtain flexible low-smoke halogen-free flame-retardant type electric wires material.
The temperature of step (4) described twin screw extruder is 100-220 DEG C, and the rotating speed of described twin screw extruder is 50-300r/min.
Compared with the elastic technology of preparing of existing low-smoke halogen-free flame-retardant thermoplastic, the present invention has following advantage:
(1) production technique is simple, and cost is low;
(2) adopt two steps blended, expansion type flame retardant and linking agent can fully be disperseed in EVA and base polyethylene, twin screw extruder is adopted to carry out dynamic vulcanization, ensure that the uniform particle sizes of crosslinking copolymers particle, and can be uniformly dispersed, the over-all properties of the thermoplastic vulcanizates elastomer material obtained is good;
(3) wire cable material properties of the present invention is excellent, specific as follows: hardness is 80A ~ 90A, intensity > 9MPa, elongation > 150%, flame retardant rating is V-0, oxygen index > 30, by 135 DEG C of cracking resistance tests, change rate of strength < 10% under 85 DEG C × 168h thermal ageing condition;
(4) prepare insulation layer or the restrictive coating of flexible low-smoke halogen-free flame-retardant type electric wires with wire cable material of the present invention, smooth surface, two-layer not adhesion mutually, wear resistance is good;
(5) wire cable material of the present invention is thermoplastic elastomer, recyclablely to reuse, safety, environmental protection.
Embodiment
Below in conjunction with embodiment, enforcement of the present invention is described further and is described, but embodiments of the present invention are not limited to this.
Embodiment 1
Take ethylene-vinyl acetate copolymer (VA content 18%) 100 weight parts, Low Density Polyethylene 20 weight part, expansion type flame retardant (ExolitIFR-10) 50 weight part, ferrocene 8 weight part, KH5701.5 weight part, tritolyl phosphate 15 weight part, Zinic stearas 5 weight part, silicone master batch 10 weight part, dicumyl peroxide 5 weight part, N, N '-penylene bismaleimides 3 weight part, antioxidant 1010 1 weight part.Put into by above-mentioned raw materials in high-speed mixer, mix 8 minutes, obtain the powder mixed, then put in Banbury mixer by powder, 160 DEG C of banburyings 10 minutes, obtain dough compound; Dough compound being put into rotating speed is extruding pelletization in the single screw extrusion machine of 50r/min, and one section, two sections, three sections temperature of single screw extrusion machine are set as 180 DEG C, 180 DEG C, 180 DEG C respectively; Pellet being put into rotating speed is extruding pelletization in the twin screw extruder of 150r/min, one to six sections of temperature of twin screw extruder are respectively 180 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 220 DEG C, obtain low-smoke halogen-free flame retardant thermoplastic vulcanizates elastomer material (i.e. flexible low-smoke halogen-free flame-retardant type electric wires material).
Performance test: hardness is 83 (shore A), and tensile strength is 9.8MPa, elongation at break 240%, and flame retardant rating is V-0, and oxygen index is 33, and smoke density is 53%.
Embodiment 2
Take ethylene-vinyl acetate copolymer (VA content 50%) 100 weight parts, Low Density Polyethylene 50 weight part, expansion type flame retardant (ExolitIFR-10) 70 weight part, ferrocene 8 weight part, TC-1144 weight part, tritolyl phosphate 10 weight part, trioctyl trimellitate 5 parts, Zinic stearas 5 weight part, silicone master batch 10 weight part, dual-tert-butyl dicumyl peroxide 3 weight part, iso-cyanuric acid triallyl ester 5 weight part, antioxidant 1010 0.5 weight part.Put into by above-mentioned raw materials in high-speed mixer, mix 8 minutes, obtain the powder mixed, then put in Banbury mixer by powder, 170 DEG C of banburyings 10 minutes, obtain dough compound; Dough compound being put into rotating speed is extruding pelletization in the single screw extrusion machine of 100r/min, and one section, two sections, three sections temperature of single screw extrusion machine are set as 180 DEG C, 180 DEG C, 180 DEG C respectively.Pellet being put into rotating speed is extruding pelletization in the twin screw extruder of 150r/min, one to six sections of twin screw extruder are respectively 180 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, can obtain low-smoke halogen-free flame retardant thermoplastic vulcanizates elastomer material (i.e. flexible low-smoke halogen-free flame-retardant type electric wires material).
Performance test: hardness is 87 (shore A), and tensile strength is 11.5MPa, elongation at break 230%, and flame retardant rating is V-0, and oxygen index is 32, smoke density 55%.
Embodiment 3
Take ethylene-vinyl acetate copolymer (VA content 28%) 100 weight parts, Low Density Polyethylene 10 weight part, expansion type flame retardant (ST-EPFR-100D) 70 weight part, ammonium octamolybdate 10 weight part, polypropylene glycol diglycidyl ether 5 weight part, tritolyl phosphate 10 weight part, trioctyl trimellitate 8 parts, Zinic stearas 5 weight part, silicone master batch 10 weight part, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexane 5 weight part of 5-, N, N '-penylene bismaleimides 4 weight part, antioxidant 1010 0.3 weight part.Put into by above-mentioned raw materials in high-speed mixer, mix 8 minutes, obtain the powder mixed, then put in Banbury mixer by powder, 160 DEG C of banburyings 10 minutes, obtain dough compound; Dough compound being put into rotating speed is extruding pelletization in the single screw extrusion machine of 60r/min, and one section, two sections, three sections temperature of single screw extrusion machine are set as 180 DEG C, 180 DEG C, 180 DEG C respectively; Pellet being put into rotating speed is extruding pelletization in the twin screw extruder of 200r/min, one to six sections of twin screw extruder are respectively 180 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, obtain low-smoke halogen-free flame retardant thermoplastic vulcanizates elastomer material (i.e. flexible low-smoke halogen-free flame-retardant type electric wires material).
Performance test: hardness is 85 (shore A), and tensile strength is 10MPa, elongation at break 210%, and flame retardant rating is V-0, and oxygen index is 31, smoke density 50%.
Embodiment 4
Take ethylene-vinyl acetate copolymer (VA content 70%) 100 weight parts, Low Density Polyethylene 50 weight part, expansion type flame retardant (ST-EPFR-100D) 50 weight part, magnesium hydroxide 40 weight part, magnesium aluminum-hydrotalcite 10 weight part, KH5705 weight part, trioctyl trimellitate 10 weight part, Zinic stearas 8 weight part, whiteruss 10 weight part, dual-tert-butyl dicumyl peroxide 7 weight part, N, N '-penylene bismaleimides 5 weight part, oxidation inhibitor B2150.5 weight part; Put into by above-mentioned raw materials in high-speed mixer, mix 8 minutes, obtain the powder mixed, then in the Banbury mixer put into by powder, 160 DEG C of banburyings 10 minutes, obtain dough compound; Dough compound being put into rotating speed is extruding pelletization in the single screw extrusion machine of 60r/min, and one section, two sections, three sections temperature of single screw extrusion machine are set as 180 DEG C, 180 DEG C, 180 DEG C respectively; Pellet being put into rotating speed is extruding pelletization in the twin screw extruder of 180r/min, one to six sections of twin screw extruder are respectively 180 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, obtain low-smoke halogen-free flame retardant thermoplastic vulcanizates elastomer material (i.e. flexible low-smoke halogen-free flame-retardant type electric wires material).
Performance test: hardness is 86 (shore A), and tensile strength is 9MPa, elongation at break 300%, and flame retardant rating is V-0, and oxygen index is 30, smoke density 52%.

Claims (10)

1. a flexible low-smoke halogen-free flame-retardant type electric wires material, is characterized in that: be prepared from by following raw material by weight:
2. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 1, is characterized in that: the VA content of described ethylene-vinyl acetate copolymer is 10-70%; Described polyethylene is Low Density Polyethylene or high density polyethylene(HDPE), and melting index is 0.1-30g/10min.
3. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 1, is characterized in that: described fire retardant is more than one in expansion type flame retardant Doher-6000, ExolitIFR-10, SpinflameMF-82, Phos-Chekp/40, Char-GuardCN-329, ST-EPFR-100D, expansible black lead or metal hydroxides;
Described coupling agent is silane coupling agent, more than one in titanate coupling agent or Racemic glycidol ether compound.
4. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 3, is characterized in that: described metal hydroxides be in magnesium hydroxide or aluminium hydroxide more than one;
Described silane coupling agent is more than one of KH550, KH560, KH570 or A-1310; Described titanate coupling agent is more than one of TC-27, TC-WT, TC-114, TTS or KR-201; Described Racemic glycidol ether compound is more than one of ethylene glycol diglycidylether, propanetriol-diglycidyl-ether or polypropylene glycol diglycidyl ether.
5. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 1, it is characterized in that: described linking agent was dual-tert-butyl dicumyl peroxide, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexane of 5-, peroxidation two (2,4-dichloro-benzoyl), dicumyl peroxide, benzoyl peroxide, peroxidized t-butyl perbenzoate, iso-cyanuric acid triallyl ester or N, N ' more than one an of-penylene bismaleimides.
6. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 1, is characterized in that: described softening agent is polarity plasticizer;
Described lubricant is more than one in stearic acid, Metallic stearates, glyceryl monostearate, Tristearoylglycerol, n-butyl stearate, stearic amide, glyceryl monooleate, two glyceryl ether monoleates, silicone master batch, silicone oil, polyethylene wax, oxidized polyethlene wax, whiteruss, naphthenic oil or amine hydroxybenzene.
7. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 6, is characterized in that: described polarity plasticizer is more than one in dioctyl phthalate (DOP), dioctyl terephthalate, trioctyl trimellitate, tritolyl phosphate, triphenylphosphate, epoxy glycerite three acid esters, epoxy aliphatic acid methyl ester or the different monooctyl ester of epoxystearic acid;
Described Metallic stearates be in Zinic stearas, calcium stearate, Magnesium Stearate or barium stearate more than one.
8. flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 1, is characterized in that: described smoke suppressant is more than one in ferrocene, ammonium octamolybdate, zinc borate, molybdic oxide, antimonous oxide, organic modification montmonrillonite and magnesium aluminum-hydrotalcite;
Described oxidation inhibitor is antioxidant 1010, oxidation inhibitor 198, more than one in irgasfos 168 and oxidation inhibitor B215.
9. the preparation method of flexible low-smoke halogen-free flame-retardant type electric wires material according to any one of claim 1 ~ 8, is characterized in that: specifically comprise the following steps:
(1) ethylene-vinyl acetate copolymer, polyethylene, fire retardant, smoke suppressant, coupling agent, softening agent, linking agent, lubricant and oxidation inhibitor, be placed in high-speed mixer and mix, obtain compound;
(2) compound in step (1) being placed in Banbury mixer carries out mixing, obtains mixing materials;
(3) by mixing materials single screw extrusion machine extruding pelletization in step (2), pellet is obtained;
(4) pellet in step (3) is added extruding pelletization in twin screw extruder, obtain flexible low-smoke halogen-free flame-retardant type electric wires material.
10. the preparation method of flexible low-smoke halogen-free flame-retardant type electric wires material according to claim 9, it is characterized in that: the temperature of step (3) described single screw extrusion machine is 60-200 DEG C, the rotating speed of described single screw extrusion machine is 50-300r/min;
The temperature of step (4) described twin screw extruder is 100-220 DEG C, and the rotating speed of described twin screw extruder is 50-300r/min;
Step (2) described compounding conditions is in 60-200 DEG C of mixing 5-10 minute; Step (1) described mixing time is 4-8 minute.
CN201510968029.3A 2015-12-18 2015-12-18 Flexible low-smoke halogen-free flame-retardant wire and cable material and preparation method thereof Pending CN105419072A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101016395A (en) * 2007-02-28 2007-08-15 石明东 Thermoplastic low-smoke halide-free fireproof composite polyolefine material and its preparation
CN104231409A (en) * 2014-08-27 2014-12-24 广东华声电器股份有限公司 EVA/MLLDPE (ethylene-vinyl acetate/metallocene linear low-density polyethylene) component-type low-smoke halogen-free irradiation-crosslinked wire cable material, and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101016395A (en) * 2007-02-28 2007-08-15 石明东 Thermoplastic low-smoke halide-free fireproof composite polyolefine material and its preparation
CN104231409A (en) * 2014-08-27 2014-12-24 广东华声电器股份有限公司 EVA/MLLDPE (ethylene-vinyl acetate/metallocene linear low-density polyethylene) component-type low-smoke halogen-free irradiation-crosslinked wire cable material, and preparation method and application thereof

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Application publication date: 20160323