CN109593266A - A kind of ultralow smoke density non-halogen flame-retardant cable and preparation method thereof - Google Patents

A kind of ultralow smoke density non-halogen flame-retardant cable and preparation method thereof Download PDF

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CN109593266A
CN109593266A CN201811529344.6A CN201811529344A CN109593266A CN 109593266 A CN109593266 A CN 109593266A CN 201811529344 A CN201811529344 A CN 201811529344A CN 109593266 A CN109593266 A CN 109593266A
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halogen flame
smoke density
retardant
antioxidant
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CN109593266B (en
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王俊龙
冯明艳
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Chengdu Xin Cheng Peng Macromolecule Technology Co Ltd
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Chengdu Xin Cheng Peng Macromolecule Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2217Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224Magnesium hydroxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2227Oxides; Hydroxides of metals of aluminium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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 kind of ultralow smoke density non-halogen flame-retardant cables and preparation method thereof, it comprises the following components in parts by weight: 25 parts of ethylene-vinyl acetate copolymer, 10 parts of metallocene linear-low density polyethylene, 10 parts of nano montmorillonite, 10 parts of compatilizer, 40 parts of fire retardant, 2 parts of polymeric treating agent, 10 parts of smoke suppressant, 0.5 part of antioxidant, 0.5 part of lubricant, wherein compatilizer is maleic anhydride grafted polyethylene, maleic anhydride is grafted EVA or maleic anhydride is grafted POE, fire retardant is aluminium hydroxide and magnesium hydroxide, polymeric treating agent is oligomerisation of ethylene ethyl triethoxy silicane alkane or oligomerisation of ethylene base three (b- methoxy ethoxy) silane, smoke suppressant is zinc molybdate, ammonium octamolybdate and melamine cyanurate, antioxidant is antioxidant 1010 etc., lubricant is polysiloxanes.It is big that the CABLE MATERIALS prepared using formula and method of the invention can effectively solve the smoke density that generates after burning existing for existing CABLE MATERIALS, the problem of flame retardant effect difference.

Description

A kind of ultralow smoke density non-halogen flame-retardant cable and preparation method thereof
Technical field
The present invention relates to ultralow smoke density CABLE MATERIALS technical fields, and in particular to a kind of ultralow smoke density halogen-free flame-retardant cable Material and preparation method thereof.
Background technique
It is toxic poly- with green material substitution burning with people's giving more sustained attention for Environmental Health and sustainable development Vinyl chloride (PVC) material increasingly causes to pay close attention to.In wire and cable field, halogen, burning are contained in traditional flame retardant cable After-fume amount is big, can generate toxic carcinogen etc., gradually replaced low smoke, zero halogen CABLE MATERIALS.Have at present a large amount of Non-halogen flame-retardant cable is developed, and meets different types of electric wire demand.However, in the wire and cable standard of European Union In, electric wire also needs to meet the requirement of ultralow smoke density.Major part fire retardant used in current flame retardant cable, including phosphoric acid Salt etc. and used resin, such as polyester, polyphenylene oxide, there are also phenyl ring in molecular structure, in combustion still Smog can be generated, and flame retardant effect is also undesirable, be unable to reach minimum requirements of the European Union for smoke density.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention provides a kind of ultralow smoke density non-halogen flame-retardant cable and its Preparation method, it is close that the CABLE MATERIALS prepared using this method can effectively solve the cigarette generated after burning existing for existing CABLE MATERIALS Degree is big, the problem of flame retardant effect difference.
To achieve the above object, the technical solution adopted by the present invention to solve the technical problems is:
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 20-40 parts, 5-15 parts of polyethylene, 5-15 parts of nano montmorillonite, 5-15 parts of compatilizer, 35-60 parts of fire retardant, polymeric treating agent 1-5 parts, 5-15 parts of smoke suppressant, 0.1-1.5 parts of antioxidant, 0.1-1 parts of lubricant.
Further, comprise the following components in parts by weight: 25-30 parts of ethylene-vinyl acetate copolymer, metallocene linear are low 7-12 parts of density polyethylene, 5-10 parts of nano montmorillonite, 5-10 parts of compatilizer, 40-50 parts of fire retardant, polymeric treating agent 1-2 Part, 10-15 parts of smoke suppressant, 0.2-1 parts of antioxidant, 0.3-1 parts of lubricant.
Further, it comprises the following components in parts by weight: 25 parts of ethylene-vinyl acetate copolymer, metallocene linear low density 10 parts of polyethylene, 10 parts of compatilizer, 40 parts of fire retardant, 2 parts of polymeric treating agent, 10 parts of smoke suppressant, resists 10 parts of nano montmorillonite 0.5 part of oxygen agent, 0.5 part of lubricant.
Further, compatilizer is maleic anhydride grafted polyethylene, maleic anhydride is grafted EVA or maleic anhydride is grafted POE.
Further, fire retardant is aluminium hydroxide and magnesium hydroxide, and the mass ratio of aluminium hydroxide and magnesium hydroxide is 1:1.
Further, polymeric treating agent is that the oligomerisation of ethylene ethyl triethoxy silicane alkane of the 2-3 degree of polymerization or 2-3 polymerize Oligomerisation of ethylene base three (b- methoxy ethoxy) silane of degree,.
Further, smoke suppressant be zinc molybdate, ammonium octamolybdate and melamine cyanurate, zinc molybdate, ammonium octamolybdate and The weight ratio of melamine cyanurate is 1:1:2.
Further, antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant 300.
Further, lubricant is polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in 140-150 DEG C of mixing of temperature 15 minutes;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Take having the beneficial effect that for above scheme
1, the polysiloxanes added in the present invention improves cable and produced in the present invention both as the lubricant of CABLE MATERIALS Processing extrusion performance in journey, but also as crust modifying agent, improve combustion process material at carbon ratio example, in cable surface shape At one layer of stable carbon-coating structure, contact of the oxygen with internal material is being reduced, the flame retardant property of cable is being improved, reduces CABLE MATERIALS Smoke amount when burning.
2, use aluminium hydroxide and magnesium hydroxide as fire retardant in the present invention, CABLE MATERIALS is in burning, internal hydrogen Aluminium oxide and magnesium hydroxide absorb a large amount of heat and gradually decompose, and release crystallization water and steam, in the mistake of heat absorption dehydration The burning velocity of CABLE MATERIALS is delayed in journey, while vapor can also water down the gas of burning, after reducing CABLE MATERIALS burning Smoke density.It is also added with nano montmorillonite in the present invention, is a kind of aqueous phyllosilicate, due to its nano lamellar knot Structure can form barrier layer, reduce infiltration and the fusant drippage of oxygen, while cooperate aluminium hydroxide and flame retardant of magnesium hydroxide, The flame retardant property of material is improved, smoke density is reduced.
3, zinc molybdate, ammonium octamolybdate, melamine cyanurate are added in the present invention as smoke suppressant, zinc molybdate and eight Ammonium molybdate is the formation of benzene derivative to be limited in condensed phase, and then play the role of pressing down cigarette as the action principle of smoke suppressant; Melamine cyanurate generates one layer of froth bed in burning, and the froth bed of generation shields to CABLE MATERIALS, isolating oxygen Gas, and then play the role of fire-retardant, suppression cigarette;The zinc molybdate, ammonium octamolybdate and melamine cyanurate of approrpiate wts are carried out Cooperation, synergistic effect can make the effect for pressing down cigarette best.
Specific embodiment
Embodiment 1
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 20 parts, 5 parts of polyethylene, 5 parts of nano montmorillonite, 5 parts of maleic anhydride grafted polyethylene, 17.5 parts of aluminium hydroxide, magnesium hydroxide 1 part of the vinyltriethoxysilane of 17.5 parts, 2 degree of polymerization, 1.3 parts of zinc molybdate, 1.3 parts of ammonium octamolybdate, melamine cyanogen 2.4 parts of lithate, 0.1 part of antioxidant 1076 and 0.1 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Embodiment 2
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 40 parts, 15 parts of polyethylene, 15 parts of nano montmorillonite, maleic anhydride be grafted EVA15 parts, 30 parts of aluminium hydroxide, 30 parts of magnesium hydroxide, 5 parts of polyvinyl three (b- methoxy ethoxy) silane, 4 parts of the zinc molybdate, 4 parts of ammonium octamolybdate, melamine cyanogen of 3 degree of polymerization 7 parts of lithate, 1.5 parts of antioxidant 1010,1 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 150 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Embodiment 3
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 30 parts, 12 parts of polyethylene, 10 parts of nano montmorillonite, maleic anhydride be grafted POE10 parts, 25 parts of aluminium hydroxide, 25 parts of magnesium hydroxide, 2 parts of the vinyltriethoxysilane of 3 degree of polymerization, 3.7 parts of zinc molybdate, 3.7 parts of ammonium octamolybdate, melamine cyanurate 7.6 parts, 1 part of antioxidant 1010,1 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 150 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Embodiment 4
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 25 parts, 7 parts of polyethylene, 5 parts of nano montmorillonite, maleic anhydride grafting EVA5 parts, 20 parts of aluminium hydroxide, 20 parts, 2 of magnesium hydroxide 1 part of the vinyltriethoxysilane of the degree of polymerization, 2.5 parts of zinc molybdate, 2.5 parts of ammonium octamolybdate, 5 parts of melamine cyanurate, 0.2 part of antioxidant 1010,0.3 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Embodiment 5
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 25 parts, 10 parts of metallocene linear-low density polyethylene, 10 parts of nano montmorillonite, 10 parts of maleic anhydride grafted polyethylene, hydroxide 20 parts of aluminium, 2 parts of the vinyltriethoxysilane of 20 parts, 2 degree of polymerization of magnesium hydroxide, 2.5 parts of zinc molybdate, ammonium octamolybdate 2.5 Part, 5 parts of melamine cyanurate, 0.5 part of antioxidant 1010,0.5 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Comparative example 1
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 25 parts, 10 parts of metallocene linear-low density polyethylene, 10 parts of maleic anhydride grafted polyethylene, 20 parts of aluminium hydroxide, magnesium hydroxide 2 parts of the vinyltriethoxysilane of 20 parts, 2 degree of polymerization, 2.5 parts of zinc molybdate, 2.5 parts of ammonium octamolybdate, antioxidant 1010 0.5 Part, 0.5 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Comparative example 2
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 25 parts, 10 parts of metallocene linear-low density polyethylene, 10 parts of nano montmorillonite, 10 parts of maleic anhydride grafted polyethylene, hydroxide 2 parts of the vinyltriethoxysilane of 20 parts, 2 degree of polymerization of magnesium, 5 parts of melamine cyanurate, resists 2.5 parts of ammonium octamolybdate 10100.5 parts of oxygen agent, 0.5 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Comparative example 3
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 25 parts, 10 parts of metallocene linear-low density polyethylene, 10 parts of nano montmorillonite, 10 parts of maleic anhydride grafted polyethylene, 2 polymerizations 2 parts of the vinyltriethoxysilane of degree, 5 parts of melamine cyanurate, 0.5 part of antioxidant 1010, is gathered 2.5 parts of zinc molybdate 0.5 part of siloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Comparative example 4
A kind of ultralow smoke density non-halogen flame-retardant cable, comprises the following components in parts by weight: ethylene-vinyl acetate copolymer 25 parts, 10 parts of metallocene linear-low density polyethylene, 10 parts of nano montmorillonite, 10 parts of maleic anhydride grafted polyethylene, hydroxide 50 parts of aluminium, 2 parts of the vinyltriethoxysilane of 35 parts, 5 degree of polymerization of magnesium hydroxide, 2.5 parts of zinc molybdate, ammonium octamolybdate 2.5 Part, 5 parts of melamine cyanurate, 0.5 part of antioxidant 1010,0.5 part of polysiloxanes.
The preparation method of above-mentioned ultralow smoke density non-halogen flame-retardant cable, comprising the following steps:
(1) various raw materials are weighed, are successively put into mixer, it is spare in the mixing 15 minutes of 140 DEG C of temperature;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
Test example
Performance detection is carried out to the CABLE MATERIALS that embodiment 1-5 and comparative example 1-4 is produced, specific testing result is shown in Table 1.
Table 1: the performance test results of CABLE MATERIALS
By upper table it is found that complying fully with the detection mark of national regulation using the CABLE MATERIALS that method of the invention is produced It is quasi-;The CABLE MATERIALS properties of embodiment 1-5 are better than comparative example 1-4, especially the CABLE MATERIALS of embodiment 5, items detection property Can be it is optimal, when occur fire or other it is extreme in the case where can be with self-extinguishment, and the smoke density generated is lower, can be big The safety of the big life and property for improving the people.

Claims (10)

1. a kind of ultralow smoke density non-halogen flame-retardant cable, which is characterized in that comprise the following components in parts by weight: ethylene vinyl acetate second 20-40 parts of alkene copolymer, 5-15 parts of polyethylene, 5-15 parts of nano montmorillonite, 5-15 parts of compatilizer, 35-60 parts of fire retardant, high score 1-5 parts of subprocessing agent, 5-15 parts of smoke suppressant, 0.1-1.5 parts of antioxidant, 0.1-1 parts of lubricant.
2. ultralow smoke density non-halogen flame-retardant cable as described in claim 1, which is characterized in that the group including following parts by weight Point: it is 25-30 parts of ethylene-vinyl acetate copolymer, 7-12 parts of polyethylene, 5-10 parts of nano montmorillonite, 5-10 parts of compatilizer, fire-retardant 40-50 parts of agent, 1-2 parts of polymeric treating agent, 10-15 parts of smoke suppressant, 0.2-1 parts of antioxidant, 0.3-1 parts of lubricant.
3. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 1 or 2, which is characterized in that including following parts by weight Component: 25 parts of ethylene-vinyl acetate copolymer, 10 parts of polyethylene, 10 parts of nano montmorillonite, 10 parts of compatilizer, fire retardant 40 Part, 2 parts of polymeric treating agent, 10 parts of smoke suppressant, 0.5 part of antioxidant, 0.5 part of lubricant.
4. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 3, which is characterized in that the compatilizer is maleic acid Acid anhydride grafted polyethylene, maleic anhydride grafting EVA or maleic anhydride are grafted POE.
5. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 3, which is characterized in that the fire retardant is hydroxide The mass ratio of aluminium and magnesium hydroxide, the aluminium hydroxide and magnesium hydroxide is 1:1.
6. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 3, which is characterized in that the polymeric treating agent is Oligomerisation of ethylene ethyl triethoxy silicane alkane or oligomerisation of ethylene base three (b- methoxy ethoxy) silane.
7. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 3, which is characterized in that the smoke suppressant be zinc molybdate, The weight ratio of ammonium octamolybdate and melamine cyanurate, the zinc molybdate, ammonium octamolybdate and melamine cyanurate is 1: 1:2。
8. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 3, which is characterized in that the antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant 300.
9. ultralow smoke density non-halogen flame-retardant cable as claimed in claim 3, which is characterized in that the lubricant is poly- silicon oxygen Alkane.
10. the preparation method of the described in any item ultralow smoke density non-halogen flame-retardant cables of claim 1-9, which is characterized in that The following steps are included:
(1) various raw materials are weighed, are successively put into mixer, it is spare in 140-150 DEG C of mixing of temperature 15 minutes;
(2) mixed material after step (1) mixing carries out extruding pelletization using two steps type extruding granulator, is made.
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* Cited by examiner, † Cited by third party
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CN110760120A (en) * 2019-10-08 2020-02-07 江苏北化新橡新材料科技有限公司 High-short-circuit-resistance low-smoke halogen-free home decoration wire and cable material and preparation method thereof
CN110760120B (en) * 2019-10-08 2022-04-15 江苏北化新橡新材料科技有限公司 High-short-circuit-resistance low-smoke halogen-free home decoration wire and cable material and preparation method thereof
CN113402805A (en) * 2021-06-17 2021-09-17 成都鑫成鹏高分子科技股份有限公司 Ultraviolet light fast crosslinking high-flame-retardant low-smoke halogen-free insulating material and preparation method thereof

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