CN106519404A - Low-smoking-amount flame retardant cable material for optical fiber communication - Google Patents

Low-smoking-amount flame retardant cable material for optical fiber communication Download PDF

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Publication number
CN106519404A
CN106519404A CN201610448020.4A CN201610448020A CN106519404A CN 106519404 A CN106519404 A CN 106519404A CN 201610448020 A CN201610448020 A CN 201610448020A CN 106519404 A CN106519404 A CN 106519404A
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parts
low
cable material
ethylene
flame retardant
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程晓松
孙玉萍
郑晓龙
廖永江
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Suzhou Hengli Communications Material Co Ltd
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Suzhou Hengli Communications Material Co Ltd
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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
    • 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
    • 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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

Abstract

The invention discloses a low-smoking-amount flame retardant cable material for optical fiber communication. The low-smoking-amount flame retardant cable material for optical fiber communication comprises the following components in parts by weight: 69 parts of an ethylene-vinyl acetate copolymer, 21 parts of high-pressure metallocene polyethylene, 10 parts of modified polyethylene, 105 parts of aluminum hydroxide, 10 parts of magnesium hydroxide, 4.5 parts of a silicone masterbatch, 1.8 parts of polyethylene wax, 20 parts of a flowing agent, 0.45 part of an antioxidant, and 3 parts of a black masterbatch; the VA content of the ethylene-vinyl acetate copolymer is 20-28%; the high-pressure metallocene polyethylene has the melt index not more than 3 g/10 min at the temperature of 190 DEG and the pressure of 2.16 kg, and has the density less than 0.92 g/cm<3>. The outer diameter of an optical cable is uniform, so that the shrinkage integrity of an optical cable core is ensured, and a signal cannot be greatly attenuated in a transmitting process.

Description

For the low-smoke flame-proof cable material of optical-fibre communications
Technical field
A kind of a kind of the present invention relates to fire-resistant cable material, more particularly to low-smoke flame retardant cable material for optical-fibre communications Material.
Background technology
As people are to environmental protection and the enhancing of awareness of safety, the requirement more and more higher to cable jacket material will not only have excellent Different physical and mechanical properties, but also to have higher fire resistance, shown according to pertinent literature statistics, in a fire absolutely Most people is not burnt to death, but loses the chance of escape due to suffocating caused by substantial amounts of cigarette, toxic gas, finally loses life Life.Therefore, low smoke halogen-free fire retardant polyolefin cable material is gradually replacing traditional PVC cable protections as a kind of product of environmental protection Jacking.Since " the Chinese FTTH first year " in 2008, the Domestic Carriers such as China Telecom carry forward vigorously " light entering and copper back ", and this is to more Core room（Office）Interior optical cable brings wide market, also gives multicore room（Office）The low-smoke non-halogen flame-retardant of the resist blocking and that needed for interior optical cable Protective cover material brings wide market.
According to disclosed Chinese patent CN 1445793A [a kind of low smoke halogen-free fire retardant polyolefin cable material and its preparation side Method] and CN 1796450A [a kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof] show to prepare halogen-free flameproof and gather The matrix material that alkene cable is adopted is for ethylene-vinyl acetate（EVA）And high density polyethylene (HDPE)（HDPE）, add substantial amounts of nothing Machine aluminium hydroxide, flame retardant of magnesium hydroxide, add the auxiliary agents such as Tissuemat E, antioxidant, color masterbatch in addition.In such formula system There is following some deficiency：First, add the processing temperature that substantial amounts of high density polyethylene (HDPE) causes product（150℃~160℃）Compared with It is high, it is easy to the subelement adhesion of core, it is impossible to meet multicore room（Office）The requirement of interior cable jacket；2nd, product is in process Middle extrusion is not sufficiently stable, and causes the external diameter of optical cable to fluctuate larger.
The content of the invention
It is an object of the invention to provide a kind of low-smoke flame-proof cable material for optical-fibre communications, which solves processing When with the technical problem of cable line cartridge units adhesion, improve the processing characteristics of product so that cable outer diameter is uniform, so as to protect The contraction integrality of Cable Core is demonstrate,proved, signal is not in significantly to decay in transmitting procedure wherein；Meanwhile, cable tensile strain is strong Degree >=13MPa, elongation at break >=250%, oxygen index (OI) >=34%, with excellent mechanical performance.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of low-smoke for optical-fibre communications is fire-retardant Cable material, the resist blocking and that fireproofing cable material without halide are made up of the component of following weight portion：
65 ~ 75 parts of ethylene-vinyl acetate copolymer,
20 ~ 30 parts of high pressure metallocene PE,
10 ~ 20 parts of modified poly ethylene,
70 ~ 110 parts of aluminium hydroxide,
10 ~ 30 parts of magnesium hydroxide,
2 ~ 5 parts of silicone masterbatch,
1 ~ 3 part of Tissuemat E,
20 ~ 40 parts of flowable,
0.15 ~ 0.45 part of antioxidant,
2 ~ 5 parts of black masterbatch；
The ethylene-vinyl acetate copolymer（EVA）VA contents 20 ~ 28%；
The high pressure metallocene PE（EPPE）Melt index≤3g/10min under 190 DEG C, 2.16Kg, density are less than 0.92g/cm³。
In above-mentioned technical proposal, further improved technical scheme is as follows：
1. in such scheme, the aluminium hydroxide, ratio whiteness >=95% of magnesium hydroxide, preferably 98%, its particle diameter is 1 ~ 1.5 μ m。
2. in such scheme, Tissuemat E softening point >=90 DEG C, masterbatch content of carbon black 45% ~ 50%.
3., in such scheme, the maleic anhydride grafting ratio of the modified poly ethylene selects 0.5 ~ 1.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：
1. the present invention for optical-fibre communications low-smoke flame-proof cable material, solve product during production and use with Core adhesion and the unstable technical problem for causing cable outer diameter to fluctuate of extrusion, the low smoke halogen-free flame-retardant polyolefin electricity of production at present Cable material is using inorganic combustion inhibitor, the Tissuemat Es such as ethylene-vinyl acetate, high density polyethylene (HDPE), aluminium hydroxide, magnesium hydroxide etc. The auxiliary agents such as lubricant, antioxidant, color masterbatch, and the present invention is using ethylene-vinyl acetate, special modified polyethylene, high pressure cyclopentadienyl Metal polyethylene（EPPE）Used as matrix material, in this matrix material, aluminium hydroxide, magnesium hydroxide are fire retardant, then add silicon The auxiliary agents such as ketone masterbatch, Tissuemat E, flowable, antioxidant, color masterbatch；The special modified polyethylene of present invention addition is except conduct Outside matrix, the also effect with coupling agent can make inorganic combustion inhibitor have preferable compatibility with organic resin, so as to carry The physical and mechanical properties of high product, cable tensile strain intensity >=13MPa, elongation at break >=250%, oxygen index (OI) >=34%；And add Silicone masterbatch and it is specific compounding matrix synergy, persistently can further increase scratch-resistant and anti-wear performance, improve surface light Damp degree, improves the mobility of plastic processing, reduces moment of torsion, filling ability；Resin demoulding in the complicated mold base of high temperature is improved, It is non-slip in screw rod, be conducive to extrusion processing.
2. the present invention abandons high density of the prior art for the low-smoke flame-proof cable material of optical-fibre communications Polyethylene reduces the processing temperature of product（135℃~145℃）, from certain content various ingredients as base material, improve Melt strength during high temperature, improves the melt fracture problem occurred because of poor compatibility, and then improves the light of extrusion jacket surface Slippery, high pressure metallocene PE EPPE are that a kind of density is less than 0.92g/cm3, poly- second of the melt index less than 3g/10min Alkene, which causes product of the present invention to have good processing characteristics, reduces resistance during screw rod shearing, reduce the electric current of screw rod, So that product plastic emitting when high temperature is extruded is stable, flowable is added and causes product to have certain anti-flammability, alternative fire retardant Such as aluminium hydroxide, while having certain lubricant effect, it is possible to decrease mobility of the product in extrusion, Product processing performance is improved.
3. the present invention for optical-fibre communications low-smoke flame-proof cable material, while add resist blocking and that flowable so as to The technical problem of sheath and core subelement adhesion is solved, is effectively carried by adding silicone masterbatch, Tissuemat E, flowable etc. The high processing characteristics of product so that extrusion stable prod surface is smooth, uniform external diameter.By adding silicone masterbatch and flowable Also there is with aluminium hydroxide, magnesium hydroxide certain cooperative flame retardant effect, the fire resistance of product is improve；Secondly, this product Material therefor does not contain halogen, therefore smoke amount is less during environmental protection burning.
Specific embodiment
With reference to embodiment, the invention will be further described：
Embodiment：A kind of low-smoke flame-proof cable material for optical-fibre communications, the low-smoke flame-proof cable material by The component composition of following weight portion：
Ethylene-vinyl acetate copolymer（EVA）69 parts,
High pressure metallocene PE（EPPE）21 parts,
10 parts of modified poly ethylene,
105 parts of aluminium hydroxide,
10 parts of magnesium hydroxide,
4.5 parts of silicone masterbatch,
1.8 parts of Tissuemat E,
20 parts of flowable,
0.45 part of antioxidant,
3 parts of black masterbatch；
The VA contents of the ethylene-vinyl acetate copolymer are 20 ~ 28%；
High pressure metallocene PE melt index≤3g/10min under 190 DEG C, 2.16Kg, density are less than 0.92g/cm.
Above-mentioned flowable is produced for Haimen Xinlong Xiang special plastic Co., Ltd.
Ratio whiteness >=95% of above-mentioned aluminium hydroxide, magnesium hydroxide, preferably 98%, its particle diameter is 1 ~ 1.5 μm.
Above-mentioned Tissuemat E softening point >=90 DEG C, masterbatch content of carbon black 45% ~ 50%.
The maleic anhydride grafting ratio of above-mentioned modified poly ethylene selects 0.5 ~ 1.
Low-smoke flame-proof cable material preparation process for optical-fibre communications is as follows：Recipe ingredient according to product is accurate The weight of each component is weighed, ± 1% is accurate to, accurate raw material will be weighed and be added to plastic cement kneader（Banbury）In carry out Mixing, time are about 12 ~ 15min, and temperature is 150 ~ 160 DEG C so that each component is well mixed, and plastifies completely.Pass it through again Double-stage extruding unit extruding pelletization, granulate using it is air-cooled it is fervent by the way of, then through conveyance conduit deliver to cyclone separator, into Pack after product feed bin.
Performance test results：
To sum up, low-smoke flame-proof cable material of the present invention for optical-fibre communications, solution product is during production and use With core adhesion and the unstable technical problem for causing cable outer diameter to fluctuate of extrusion, the low smoke halogen-free flame-retardant polyolefin for producing at present CABLE MATERIALS is using inorganic combustion inhibitor, Tissuemat Es such as ethylene-vinyl acetate, high density polyethylene (HDPE), aluminium hydroxide, magnesium hydroxides Deng auxiliary agents such as lubricant, antioxidant, color masterbatches, and the present invention adopts ethylene-vinyl acetate, special modified polyethylene, high pressure Metallocene PE（EPPE）Used as matrix material, in this matrix material, aluminium hydroxide, magnesium hydroxide are fire retardant, then are added The auxiliary agents such as silicone masterbatch, Tissuemat E, flowable, antioxidant, color masterbatch；The special modified polyethylene of present invention addition is except making Based on outer, the also effect with coupling agent, can make inorganic combustion inhibitor that there is preferable compatibility with organic resin, so as to can Improve the physical and mechanical properties of product, cable tensile strain intensity >=13MPa, elongation at break >=250%, oxygen index (OI) >=34%.Secondly, The present invention abandons high density polyethylene (HDPE) of the prior art and reduces for the low-smoke flame-proof cable material of optical-fibre communications The processing temperature of product（135℃~145℃）, from certain content various ingredients as base material, improve melt during high temperature Intensity, improves the melt fracture problem occurred because of poor compatibility, and then improves the smoothness for extruding jacket surface, high pressure cyclopentadienyl gold Category polyethylene EPPE is that a kind of density is less than 0.92g/cm3, polyethylene of the melt index less than 3g/10min, which causes this Bright product has good processing characteristics, reduces resistance during screw rod shearing, reduces the electric current of screw rod so that product is in high temperature During extrusion, plastic emitting is stable.Again, low-smoke flame-proof cable material of the present invention for optical-fibre communications, while add resist blocking and that stream Dynamic agent so as to solve the technical problem of sheath and core subelement adhesion, by add silicone masterbatch, Tissuemat E, flowable Etc. the processing characteristics for effectively increasing product so that extrusion stable prod surface is smooth, uniform external diameter.By adding silicone masterbatch Also there is with aluminium hydroxide, magnesium hydroxide certain cooperative flame retardant effect with flowable, the fire resistance of product is improve；Its Secondary, this product material therefor does not contain halogen, therefore smoke amount is less during environmental protection burning.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention Equivalence changes or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (3)

1. a kind of low-smoke flame-proof cable material for optical-fibre communications, it is characterised in that：The low-smoke flame retardant cable Material is made up of the component of following weight portion：69 parts of ethylene-vinyl acetate copolymer, 21 parts of high pressure metallocene PE, change 10 parts of polyethylene of property, 105 parts of aluminium hydroxide, 10 parts of magnesium hydroxide, 4.5 parts of silicone masterbatch, 1.8 parts of Tissuemat E, flowable 20 Part, 0.45 part of antioxidant, 3 parts of black masterbatch；
The VA contents of the ethylene-vinyl acetate copolymer are 20 ~ 28%；
High pressure metallocene PE melt index≤3g/10min under 190 DEG C, 2.16Kg, density are less than 0.92g/cm.
2. low-smoke flame-proof cable material according to claim 1, it is characterised in that：The Malaysia of the modified poly ethylene Acid anhydrides percent grafting selects 0.5 ~ 1.
3. low-smoke flame-proof cable material according to claim 1, it is characterised in that：The aluminium hydroxide, hydroxide Ratio whiteness >=95% of magnesium, preferably 98%, its particle diameter is 1 ~ 1.5 μm.
CN201610448020.4A 2012-12-04 2012-12-04 Low-smoking-amount flame retardant cable material for optical fiber communication Pending CN106519404A (en)

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Application Number Priority Date Filing Date Title
CN201610448020.4A CN106519404A (en) 2012-12-04 2012-12-04 Low-smoking-amount flame retardant cable material for optical fiber communication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210511271.4A CN103849063B (en) 2012-12-04 2012-12-04 Optical cable tissue adhesion fireproofing cable material without halide
CN201610448020.4A CN106519404A (en) 2012-12-04 2012-12-04 Low-smoking-amount flame retardant cable material for optical fiber communication

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CN106519404A true CN106519404A (en) 2017-03-22

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CN201610697040.5A Pending CN106633332A (en) 2012-12-04 2012-12-04 Low-smoke halogen-free cable sheath for telecommunication cables
CN201610697500.4A Pending CN106633333A (en) 2012-12-04 2012-12-04 Anti-sticking flame-retardant cable sheath for optical cables
CN201610710367.1A Active CN106432885B (en) 2012-12-04 2012-12-04 Convenient for squeezing out the polyolefine cable sheath material of processing
CN201610697036.9A Pending CN106633331A (en) 2012-12-04 2012-12-04 Cable material with high tensile strength and low smoke generation amount
CN201610710333.2A Pending CN106432883A (en) 2012-12-04 2012-12-04 Insulation material for anti-adhesion scratch-resistant cable
CN201610710368.6A Pending CN106432886A (en) 2012-12-04 2012-12-04 Environment-friendly anti-adhesion polyolefin cable material
CN201210511271.4A Active CN103849063B (en) 2012-12-04 2012-12-04 Optical cable tissue adhesion fireproofing cable material without halide
CN201610448020.4A Pending CN106519404A (en) 2012-12-04 2012-12-04 Low-smoking-amount flame retardant cable material for optical fiber communication
CN201610448018.7A Pending CN106519403A (en) 2012-12-04 2012-12-04 Low-smoke halogen-free flame-retardant polyolefin cable material
CN201610710334.7A Active CN106432884B (en) 2012-12-04 2012-12-04 Scratch-resistant Halogen insulating sheath material
CN201610697041.XA Pending CN106397948A (en) 2012-12-04 2012-12-04 Flame-retardant cable insulation material for high-speed extrusion

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CN201610697040.5A Pending CN106633332A (en) 2012-12-04 2012-12-04 Low-smoke halogen-free cable sheath for telecommunication cables
CN201610697500.4A Pending CN106633333A (en) 2012-12-04 2012-12-04 Anti-sticking flame-retardant cable sheath for optical cables
CN201610710367.1A Active CN106432885B (en) 2012-12-04 2012-12-04 Convenient for squeezing out the polyolefine cable sheath material of processing
CN201610697036.9A Pending CN106633331A (en) 2012-12-04 2012-12-04 Cable material with high tensile strength and low smoke generation amount
CN201610710333.2A Pending CN106432883A (en) 2012-12-04 2012-12-04 Insulation material for anti-adhesion scratch-resistant cable
CN201610710368.6A Pending CN106432886A (en) 2012-12-04 2012-12-04 Environment-friendly anti-adhesion polyolefin cable material
CN201210511271.4A Active CN103849063B (en) 2012-12-04 2012-12-04 Optical cable tissue adhesion fireproofing cable material without halide

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CN201610448018.7A Pending CN106519403A (en) 2012-12-04 2012-12-04 Low-smoke halogen-free flame-retardant polyolefin cable material
CN201610710334.7A Active CN106432884B (en) 2012-12-04 2012-12-04 Scratch-resistant Halogen insulating sheath material
CN201610697041.XA Pending CN106397948A (en) 2012-12-04 2012-12-04 Flame-retardant cable insulation material for high-speed extrusion

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CN104164032A (en) * 2014-08-07 2014-11-26 上海三承高分子材料科技有限公司 High-performance flame-retardant cable sheath material and preparation method thereof
CN104693583A (en) * 2015-04-03 2015-06-10 中广核三角洲（苏州）高聚物有限公司 Thermoplastic high-strength low-smoke halogen-free flame-retardant cable material for rail transit
CN105295184B (en) * 2015-05-14 2017-11-03 欧宝聚合物江苏有限公司 A kind of 125 DEG C of high abrasion low-smoke zero-halogen cable materials and preparation method
CN106674712B (en) * 2016-12-19 2019-11-29 上海至正道化高分子材料股份有限公司 A kind of anti stick low-smoke non-halogen flame-retardant protecting sleeve of optical cable and preparation method thereof
CN112117050B (en) * 2019-06-20 2021-10-29 广西纵览线缆集团有限公司 Optical fiber composite low-voltage cable
CN110982160A (en) * 2019-11-13 2020-04-10 苏州亨利通信材料有限公司 Preparation method of weather-resistant photoelectric PE sheath material
CN111117048A (en) * 2019-12-24 2020-05-08 上海至正道化高分子材料股份有限公司 Thermoplastic low-smoke halogen-free sheath material for third-generation nuclear power station cable and preparation method and application thereof
CN111234362A (en) * 2020-03-18 2020-06-05 江阴市海江高分子材料有限公司 Superconducting high-temperature-resistant high-flame-retardant semiconductive sheath material and preparation method and application thereof
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