CN108034121A - Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material - Google Patents

Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material Download PDF

Info

Publication number
CN108034121A
CN108034121A CN201711381639.9A CN201711381639A CN108034121A CN 108034121 A CN108034121 A CN 108034121A CN 201711381639 A CN201711381639 A CN 201711381639A CN 108034121 A CN108034121 A CN 108034121A
Authority
CN
China
Prior art keywords
halogen
low
fire retardant
hydromagnesite
smoke
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711381639.9A
Other languages
Chinese (zh)
Inventor
王相波
李东琦
邵小彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU CPLUS NEW MATERIAL CO Ltd
Original Assignee
SUZHOU CPLUS NEW MATERIAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU CPLUS NEW MATERIAL CO Ltd filed Critical SUZHOU CPLUS NEW MATERIAL CO Ltd
Priority to CN201711381639.9A priority Critical patent/CN108034121A/en
Publication of CN108034121A publication Critical patent/CN108034121A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08L23/0869—Acids or derivatives thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/267—Magnesium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C08K2003/387—Borates
    • 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
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking
    • C08L2312/06—Crosslinking by radiation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fireproofing Substances (AREA)

Abstract

Flame resistance irradiation of the present invention is crosslinked low-smoke low-halogen polyolefine material, includes the component of following weight percents：EEA 20 25%, PE 5 10%, POP 5 10%, compatilizer 3 5%, hydromagnesite fire retardant and surface treatment agent composition 20 25%, antimony oxide 5 10%, halogen-system fire retardant 20 30%, zinc borate 5 10%, lubricant 1 2%, antioxidant 1 2%, crosslinking agent 0.5 1.5%.295~305 DEG C of deca-BDE fusing point, 656 DEG C of antimony oxide fusing point, both are used in combination, and smoke is somewhat big, and zinc borate suppresses smoke amount；Hydromagnesite starts to decompose release water outlet at 220 DEG C, and the highly endothermic property of hydromagnesite effectively reduces material surface temperature, avoids material fast degradation, hydromagnesite can gather material surface in combustion, stabilizing cement shape crust layer is formed, blocks oxygen supply, prevents combustion process from further spreading.

Description

Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material
Technical field
The present invention relates to fire proofing field, and in particular to a kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material.
Background technology
Cross-linking radiation low smoke and low halogen cable material of polyolefin, is that one kind with the addition of hydroxide and a small amount of environmentally friendly halogen system resistance The environmental-protection flame-retardant material of agent is fired, fire retardation is played to be dehydrated heat absorption, be isolated into charcoal.Cross-linking radiation low smoke and low halogen polyene Hydrocarbon CABLE MATERIALS, mechanical property meets the requirement in relation to XLPE coated materials in the standards such as electric wire, automotive line, fire-retardant to pass through UL1581VW-1 grades.Different industries and and diverse geographic location have a different requirements, some requires fire resistance very tight It is severe.
General cross-linking radiation low smoke and low halogen cable material of polyolefin is not high to flame-retardancy requirements, vistanex ratio Height, and flame-retardant system is relatively few to ensure mechanical and physical performance, but fire resistance is limited, it can only be reached after generally making cable To horizontal firing grade, or reach single vertical burning grade but unstable once in a while, the requirement to high resistant combustible material can not Reach.
The content of the invention
The object of the present invention is to provide a kind of good flame resistance irradiation of fire resistance to be crosslinked low-smoke low-halogen polyolefine material.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefin material Material, includes the component of following weight percents：EEA 20-25%, PE 5-10%, POP 5-10%, compatilizer 3-5%, water water chestnut Magnesium fire retardant and surface treatment agent composition 20-25%, antimony oxide 5-10%, halogen-system fire retardant 20-30%, zinc borate 5-10%, lubricant 1-2%, antioxidant 1-2%, crosslinking agent 0.5-1.5%.
Further, the material includes the component of following weight percents：EEA 20%, PE 5%, POP 10%, phase Hold agent 5%, hydromagnesite fire retardant and surface treatment agent composition 20%, antimony oxide 5%, halogen-system fire retardant 20%, boron Sour zinc 10%, lubricant 2%, antioxidant 2%, crosslinking agent 1%.
Further, the material includes the component of following weight percents：EEA 22%, PE 8%, POP 8%, phase Hold agent 4%, hydromagnesite fire retardant and surface treatment agent composition 20%, antimony oxide 5%, halogen-system fire retardant 25%, boron Sour zinc 5%, lubricant 1%, antioxidant 1.5%, crosslinking agent 0.5%.
Further, the material includes the component of following weight percents：EEA 25%, PE 5%, POP 5%, phase Hold agent 3%, hydromagnesite fire retardant and surface treatment agent composition 22%, antimony oxide 10%, halogen-system fire retardant 20%, boron Sour zinc 7%, lubricant 1.25%, antioxidant 1%, crosslinking agent 0.75%.
Further, the material includes the component of following weight percents：EEA 20%, PE 5%, POP 5%, phase Hold agent 3%, hydromagnesite fire retardant and surface treatment agent composition 22%, antimony oxide 6%, halogen-system fire retardant 30%, boron Sour zinc 5%, lubricant 1.5%, antioxidant 2%, crosslinking agent 0.5%.
Further, the material includes the component of following weight percents：EEA 20%, PE 10%, POP 5%, phase Hold agent 3%, hydromagnesite fire retardant and surface treatment agent composition 25%, antimony oxide 5%, halogen-system fire retardant 20%, boron Sour zinc 8%, lubricant 1.5%, antioxidant 1%, crosslinking agent 1.5%.
Further, the halogen-system fire retardant is deca-BDE.
Further, the crosslinking agent is TAIC, TMPTMA or TAIC and the mixture of TMPTMA.
Compared with prior art, the beneficial effect of flame resistance irradiation crosslinking low-smoke low-halogen polyolefine material of the present invention is：Ten 295~305 DEG C of dibromodiphenyl ether fusing point, 656 DEG C of antimony oxide fusing point, both are used in combination, and because of burning generation antimony halides, it is covered Effect and dilution effect, but smoke is somewhat big, present invention employs zinc borate to suppress smoke amount；Hydromagnesite is at 220 DEG C Start to decompose release water outlet, the endothermic reaction occurs and absorbs the heat of about 1000J/g, the highly endothermic property of hydromagnesite effectively drops The temperature of low material surface, avoids material fast degradation, while hydromagnesite can gather material surface in combustion, is formed Stable cement shape crust layer, which can block oxygen supply, and prevent combustion process from further spreading.
The present invention is excellent using not only flame retardant effect with the collocation of a variety of fire retardants, while is greatly reduced compared to PVC material Smoke amount, excellent physical properties and stabilization low with smoke density.
Embodiment
The present invention is further described below with reference to specific embodiment.
Embodiment 1
A kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material, includes the component of following weight percents：EEA (second Alkene-ethyl acrylate copolymer) 20%, PE (polyethylene) 5%, POP (vinyl polymer graft polyether polyol) 10%, phase Hold agent 5%, hydromagnesite fire retardant and surface treatment agent composition 20%, antimony oxide 5%, halogen-system fire retardant 20%, boron Sour zinc 10%, lubricant 2%, antioxidant 2%, crosslinking agent 1%.
Embodiment 2
A kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material, includes the component of following weight percents： EEA 22%th, PE 8%, POP 8%, compatilizer 4%, hydromagnesite fire retardant and surface treatment agent composition 20%, antimony oxide 5%th, halogen-system fire retardant 25%, zinc borate 5%, lubricant 1%, antioxidant 1.5%, crosslinking agent 0.5%.
Embodiment 3
A kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material, includes the component of following weight percents： EEA 25%th, PE 5%, POP 5%, compatilizer 3%, hydromagnesite fire retardant and surface treatment agent composition 22%, antimony oxide 10%th, halogen-system fire retardant 20%, zinc borate 7%, lubricant 1.25%, antioxidant 1%, crosslinking agent 0.75%.
Embodiment 4
A kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material, includes the component of following weight percents： EEA 20%th, PE 5%, POP 5%, compatilizer 3%, hydromagnesite fire retardant and surface treatment agent composition 22%, antimony oxide 6%th, halogen-system fire retardant 30%, zinc borate 5%, lubricant 1.5%, antioxidant 2%, crosslinking agent 0.5%.
Embodiment 5
A kind of flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material, includes the component of following weight percents： EEA 20%th, PE 10%, POP 5%, compatilizer 3%, hydromagnesite fire retardant and surface treatment agent composition 25%, antimony oxide 5%th, halogen-system fire retardant 20%, zinc borate 8%, lubricant 1.5%, antioxidant 1%, crosslinking agent 1.5%.
Halogen-system fire retardant in embodiment 1 to 5 is preferably deca-BDE, crosslinking agent TAIC, TMPTMA or TAIC With the mixture of TMPTMA.
The experimental result of the present invention is as follows：
For the performance by VW-1, the parameter of traditional material is：1st, residual flame≤60s, 2, sample scaling loss≤25%, 3, pad Surgery in bottom can not be ignited with cotton by dropping.And the parameter of material of the present invention is：1st, residual flame 10s, 2, sample scaling loss 0, 3rd, surgery of the pad in bottom is not ignited with cotton.
For material performance, the parameter of traditional material is：Meet at the same time：Tensile strength >=10MPA；Elongation >=200%； And the parameter of material of the present invention is：Meet at the same time：Tensile strength >=15MPA；Elongation >=400%.
For the performance of smoke density, the parameter of traditional material is：1.50g/cm3；And the parameter of material of the present invention is： 1.50g/cm3.Reduce material utilization amount, cost can be reduced.
Material property, the anti-flammability and physical property of common material have certain unstability, and qualification is sometimes when there are The problem of failure.And material property of the present invention is highly stable, seldom there is relatively large deviation in test data, and does not have failure conditions.
The present invention is by 295~305 DEG C of deca-BDE fusing point, and 656 DEG C of antimony oxide fusing point, both are used in combination, because of combustion Burn generation antimony halides and its blanketing effect and dilution effect, but smoke is somewhat big, and present invention employs zinc borate to suppress to send out Smoke；Hydromagnesite starts to decompose release water outlet at 220 DEG C, and the endothermic reaction occurs and absorbs the heat of about 1000J/g, hydromagnesite Highly endothermic property effectively reduce the temperature of material surface, avoid material fast degradation, while hydromagnesite in combustion can Gather material surface, form stable cement shape crust layer, which can block oxygen supply, and prevent combustion process into One step is spread.
The present invention is excellent using not only flame retardant effect with the collocation of a variety of fire retardants, while is greatly reduced compared to PVC material Smoke amount, excellent physical properties and stabilization low with smoke density.

Claims (8)

1. flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material, it is characterised in that the component including following weight percents： EEA 20-25%, PE 5-10%, POP 5-10%, compatilizer 3-5%, hydromagnesite fire retardant and surface treatment agent composition 20-25%, antimony oxide 5-10%, halogen-system fire retardant 20-30%, zinc borate 5-10%, lubricant 1-2%, antioxidant 1-2%, crosslinking agent 0.5-1.5%.
2. flame resistance irradiation according to claim 1 is crosslinked low-smoke low-halogen polyolefine material, it is characterised in that：The material Component including following weight percents：EEA 20%, PE 5%, POP 10%, compatilizer 5%, hydromagnesite fire retardant and table Surface treatment agent composition 20%, antimony oxide 5%, halogen-system fire retardant 20%, zinc borate 10%, lubricant 2%, antioxidant 2%th, crosslinking agent 1%.
3. flame resistance irradiation according to claim 1 is crosslinked low-smoke low-halogen polyolefine material, it is characterised in that：The material Component including following weight percents：EEA 22%, PE 8%, POP 8%, compatilizer 4%, hydromagnesite fire retardant and surface Handle agent composition 20%, antimony oxide 5%, halogen-system fire retardant 25%, zinc borate 5%, lubricant 1%, antioxidant 1.5%th, crosslinking agent 0.5%.
4. flame resistance irradiation according to claim 1 is crosslinked low-smoke low-halogen polyolefine material, it is characterised in that：The material Component including following weight percents：EEA 25%, PE 5%, POP 5%, compatilizer 3%, hydromagnesite fire retardant and surface Handle agent composition 22%, antimony oxide 10%, halogen-system fire retardant 20%, zinc borate 7%, lubricant 1.25%, antioxygen Agent 1%, crosslinking agent 0.75%.
5. flame resistance irradiation according to claim 1 is crosslinked low-smoke low-halogen polyolefine material, it is characterised in that：The material Component including following weight percents：EEA 20%, PE 5%, POP 5%, compatilizer 3%, hydromagnesite fire retardant and surface Handle agent composition 22%, antimony oxide 6%, halogen-system fire retardant 30%, zinc borate 5%, lubricant 1.5%, antioxidant 2%th, crosslinking agent 0.5%.
6. flame resistance irradiation according to claim 1 is crosslinked low-smoke low-halogen polyolefine material, it is characterised in that：The material Component including following weight percents：EEA 20%, PE 10%, POP 5%, compatilizer 3%, hydromagnesite fire retardant and table Surface treatment agent composition 25%, antimony oxide 5%, halogen-system fire retardant 20%, zinc borate 8%, lubricant 1.5%, antioxygen Agent 1%, crosslinking agent 1.5%.
7. the flame resistance irradiation crosslinking low-smoke low-halogen polyolefine material according to any one in claim 1-6, its feature It is：The halogen-system fire retardant is deca-BDE.
8. the flame resistance irradiation crosslinking low-smoke low-halogen polyolefine material according to any one in claim 1-6, its feature It is：The crosslinking agent is TAIC, TMPTMA or TAIC and the mixture of TMPTMA.
CN201711381639.9A 2017-12-20 2017-12-20 Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material Pending CN108034121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711381639.9A CN108034121A (en) 2017-12-20 2017-12-20 Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711381639.9A CN108034121A (en) 2017-12-20 2017-12-20 Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material

Publications (1)

Publication Number Publication Date
CN108034121A true CN108034121A (en) 2018-05-15

Family

ID=62099978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711381639.9A Pending CN108034121A (en) 2017-12-20 2017-12-20 Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material

Country Status (1)

Country Link
CN (1) CN108034121A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105989A (en) * 1986-08-08 1988-02-17 大日日本电线株式会社 Polyolefin compositions
CN103030874A (en) * 2012-12-31 2013-04-10 上海至正道化高分子材料有限公司 Irradiation crosslinking slurry-resistant, low-smoke, halogen-free and high-flame-retardant sheath material and fabrication method thereof
CN103450552A (en) * 2013-09-13 2013-12-18 无锡杰科塑业有限公司 Irradiation crosslinked LSOH (low smoke halogen-free) high-flame-retardant polyolefin cable material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105989A (en) * 1986-08-08 1988-02-17 大日日本电线株式会社 Polyolefin compositions
CN103030874A (en) * 2012-12-31 2013-04-10 上海至正道化高分子材料有限公司 Irradiation crosslinking slurry-resistant, low-smoke, halogen-free and high-flame-retardant sheath material and fabrication method thereof
CN103030874B (en) * 2012-12-31 2015-01-14 上海至正道化高分子材料股份有限公司 Irradiation crosslinking slurry-resistant, low-smoke, halogen-free and high-flame-retardant sheath material and fabrication method thereof
CN103450552A (en) * 2013-09-13 2013-12-18 无锡杰科塑业有限公司 Irradiation crosslinked LSOH (low smoke halogen-free) high-flame-retardant polyolefin cable material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102250406B (en) Polyethylene material with high flame resistance
US20140141240A1 (en) Halogen-free resin composition, electric wire and cable
JP2010097881A (en) Insulation wire
JP2014067657A (en) Non-halogen flame retardant insulated wire
CN109401011A (en) A kind of flame-proof cable material and preparation method thereof
CN102731790A (en) Phosphorus-nitrogen-carbon intumescent flame retardant and preparation method thereof
JP2014111695A (en) Halogen-free flame-retardant resin composition and cable using the same
CN102875887B (en) Low-smoke halogen-free flame-retardant electric insulation material for cables
CN101565527B (en) 125 DEG C irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin jacket material used for oil platform
CN104262875B (en) Intumescent flame-retardant cable material taking plant-based active carbon as synergist and preparation method thereof
CN108034121A (en) Flame resistance irradiation is crosslinked low-smoke low-halogen polyolefine material
CN106832543A (en) A kind of 105 DEG C of halogen-free low-smoke flame-resistant polyolefin cable material of ambient self-crosslinking
CN110066450B (en) Low-smoke halogen-free flame-retardant material and preparation method thereof
JPS6313285B2 (en)
JPH09204824A (en) Fire resistant cable
CN108129742A (en) High fire-retardance thermoplastic low-smoke halide-free polyolefine material
JPH0345638A (en) Flame-retardant electrical insulation composition
JPS5928574Y2 (en) flame retardant cable
RU2468459C1 (en) Nanocomposite electric insulating material
CN106279931B (en) A kind of cable sheath material
JPS5928573Y2 (en) flame retardant cable
JPS6241367B2 (en)
JPH01186707A (en) Fire-resistant insulating composition
CN106519382A (en) Low-friction-factor low-smoke halogen-free insulation shielding material
JPH0320908A (en) Flame retardant electric wire and cable

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180515