CN106633331A - Cable material with high tensile strength and low smoke generation amount - Google Patents

Cable material with high tensile strength and low smoke generation amount Download PDF

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Publication number
CN106633331A
CN106633331A CN201610697036.9A CN201610697036A CN106633331A CN 106633331 A CN106633331 A CN 106633331A CN 201610697036 A CN201610697036 A CN 201610697036A CN 106633331 A CN106633331 A CN 106633331A
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parts
cable material
cable
masterbatch
low
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CN201610697036.9A
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Inventor
程晓松
孙玉萍
王传威
于德宝
郑晓龙
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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 cable material with high tensile strength and low smoke generation amount. The cable material with high tensile strength and low smoke generation amount is prepared from components in parts by weight as follows: 69 parts of EVA (ethylene-vinyl acetate), 21 parts of high-pressure metallocene polyethylene, 10 parts of modified polyethylene, 105 parts of aluminium hydroxide, 10 parts of magnesium hydroxide, 4.5 parts of silicone masterbatch, 1.8 parts of polyethylene wax, 20 parts of a flowable agent, 0.45 parts of an antioxidant and 3 parts of black masterbatch, wherein the VA content of EVA is 20%-28%; the melt flow index of the high-pressure metallocene polyethylene at 190 DEG C with the weight of 2.16 Kg is lower than or equal to 3 g/10 min, and the density is lower than 0.92 g/cm<3>. The outer diameter of a cable is uniform, so that the shrinkage integrity of a cable core is guaranteed, and signals cannot be attenuated remarkably when transmitted in the cable.

Description

Low-smoke cable material with high tensile
Technical field
The present invention relates to a kind of fire-resistant cable material, more particularly to a kind of low-smoke cable material with high tensile 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 not only will 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 in addition the auxiliary agents such as Tissuemat E, antioxidant, color masterbatch.In such formula system There is following some deficiency：First, the processing temperature that substantial amounts of high density polyethylene (HDPE) causes product is added（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 fluctuation of optical cable larger.
The content of the invention
It is an object of the invention to provide a kind of low-smoke cable material with high tensile, which solves plus man-hour With the technical problem of cable line cartridge units adhesion, the processing characteristics of product is improved so that cable outer diameter is uniform, so as to ensure The contraction integrality of Cable Core, signal is not in wherein significantly to decay in transmitting procedure；Meanwhile, cable tensile strain intensity >=13MPa, elongation at break >=250%, oxygen index (OI) >=34%, with excellent mechanical performance.
To reach above-mentioned purpose, the technical solution used in the present invention is：A kind of electricity of the low-smoke with high tensile Cable material, the low-smoke cable material is 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；
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, antioxidant 0.45 part, 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 is less than 0.92g/cm.
Further improved technical scheme is as follows in above-mentioned technical proposal：
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 compared with prior art following advantages：
1. the present invention with high tensile low-smoke cable material, solve product during production and use with line Core adhesion and the unstable technical problem for causing cable outer diameter to fluctuate of extrusion, the low-smoke halogen-free flame-retardant polyolefin cable for producing at present Material is using the profit such as inorganic combustion inhibitor, the Tissuemat Es such as ethylene-vinyl acetate, high density polyethylene (HDPE), aluminium hydroxide, magnesium hydroxide The auxiliary agents such as lubrication prescription, antioxidant, color masterbatch, and the present invention is using ethylene-vinyl acetate, special modified polyethylene, high pressure cyclopentadienyl gold Category polyethylene（EPPE）Used as matrix material, aluminium hydroxide, magnesium hydroxide are fire retardant in this matrix material, then add silicone The auxiliary agents such as masterbatch, Tissuemat E, flowable, antioxidant, color masterbatch；The special modified polyethylene of present invention addition is except as base In vitro, the also effect with coupling agent, can make inorganic combustion inhibitor have preferable compatibility with organic resin, so as to improve The physical and mechanical properties of product, cable tensile strain intensity >=13MPa, elongation at break >=250%, oxygen index (OI) >=34%；And add Silicone masterbatch and specific compounding matrix synergy, persistently can further increase scratch-resistant and anti-wear performance, improve lustrous surface 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, in spiral shell It is non-slip in bar, be conducive to extrusion processing.
2. low-smoke cable material of the present invention with high tensile, abandons high density of the prior art and gathers Ethene reduces the processing temperature of product（135℃~145℃）, from certain content various ingredients as base material, improve height Melt strength when warm, improves the melt fracture problem occurred because of poor compatibility, and then improves the smooth of extrusion jacket surface Degree, high pressure metallocene PE EPPE is that a kind of density is less than 0.92g/cm3, polyethylene of the melt index less than 3g/10min, It causes product of the present invention to have good processing characteristics, reduces resistance during screw rod shearing, reduces the electric current of screw rod so that Product plastic emitting when high temperature is extruded is stablized, and flowable is added and causes product to have certain anti-flammability, alternative fire retardant such as hydrogen Aluminum oxide, while having certain lubricant effect, it is possible to decrease mobility of the product in extrusion, improves Product processing performance.
3. the present invention has the low-smoke cable material of high tensile, while adding resist blocking and that flowable so as to solve Determine the technical problem of sheath and core subelement adhesion, effectively improved by adding silicone masterbatch, Tissuemat E, flowable etc. The processing characteristics of product so that extrusion stable prod surface is smooth, uniform external diameter.By addition silicone masterbatch and flowable also There is certain cooperative flame retardant effect with aluminium hydroxide, magnesium hydroxide, the fire resistance of product is improve；Secondly, this product institute Halogen is not contained with material, 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 cable material with high tensile, the low-smoke flame-proof cable material by with The component composition of lower 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 is less than 0.92g/cm.
Above-mentioned flowable is the production of 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 cable material preparation process with high tensile is as follows：Recipe ingredient according to product accurately claims The weight of amount each component, is accurate to ± 1%, will weigh accurate raw material and is added to plastic cement kneader（Banbury）In mixed Refining, the time is 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 Rank extrude unit extruding pelletization, granulate using it is air-cooled it is fervent by the way of, then deliver to cyclone separator, finished product through conveyance conduit Pack after feed bin.
Performance test results：
To sum up, the present invention with high tensile low-smoke 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, aluminium hydroxide, magnesium hydroxide are fire retardant in this matrix material, 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%.Secondly, originally Low-smoke cable material of the invention with high tensile, abandons high density polyethylene (HDPE) of the prior art and reduces product Processing temperature（135℃~145℃）, from certain content various ingredients as base material, melt when improve high temperature is strong Degree, improves the melt fracture problem occurred because of poor compatibility, and then improves the smoothness for extruding jacket surface, high pressure metallocene Polyethylene EPPE is that a kind of density is less than 0.92g/cm3, polyethylene of the melt index less than 3g/10min, it causes the present invention Product has good processing characteristics, reduces resistance during screw rod shearing, reduces the electric current of screw rod so that product is in high warm extrusion Plastic emitting when going out is stablized.Again, low-smoke cable material of the present invention with high tensile, while adding resist blocking and that flowable So as to solve the technical problem of sheath and core subelement adhesion, have by adding silicone masterbatch, Tissuemat E, flowable etc. Effect improves the processing characteristics of product so that extrusion stable prod surface is smooth, uniform external diameter.By adding silicone masterbatch and stream Dynamic agent also has certain cooperative flame retardant effect with aluminium hydroxide, magnesium hydroxide, improves the fire resistance of product；Secondly, originally 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, all should be included within the scope of the present invention.

Claims (3)

1. a kind of low-smoke cable material with high tensile, it is characterised in that：The low-smoke cable material by The component composition 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；
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, antioxidant 0.45 part, 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 is less than 0.92g/cm.
2. low-smoke cable material according to claim 1, it is characterised in that：The maleic anhydride of the modified poly ethylene Percent grafting selects 0.5 ~ 1.
3. resist blocking and that fireproofing cable material without halide according to claim 1, it is characterised in that：The Tissuemat E softens Point >=90 DEG C, masterbatch content of carbon black 45% ~ 50%.
CN201610697036.9A 2012-12-04 2012-12-04 Cable material with high tensile strength and low smoke generation amount Pending CN106633331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610697036.9A CN106633331A (en) 2012-12-04 2012-12-04 Cable material with high tensile strength and low smoke generation amount

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
CN201610697036.9A CN106633331A (en) 2012-12-04 2012-12-04 Cable material with high tensile strength and low smoke generation amount

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201210511271.4A Division CN103849063B (en) 2012-12-04 2012-12-04 Optical cable tissue adhesion fireproofing cable material without halide

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CN106633331A true CN106633331A (en) 2017-05-10

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Family Applications (11)

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

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Application Number Title Priority Date Filing Date
CN201610710333.2A Pending CN106432883A (en) 2012-12-04 2012-12-04 Insulation material for anti-adhesion scratch-resistant cable
CN201610710334.7A Active CN106432884B (en) 2012-12-04 2012-12-04 Scratch-resistant Halogen insulating sheath material
CN201210511271.4A Active CN103849063B (en) 2012-12-04 2012-12-04 Optical cable tissue adhesion fireproofing cable material without halide
CN201610697500.4A Pending CN106633333A (en) 2012-12-04 2012-12-04 Anti-sticking flame-retardant cable sheath for optical cables
CN201610448020.4A Pending CN106519404A (en) 2012-12-04 2012-12-04 Low-smoking-amount flame retardant cable material for optical fiber communication
CN201610697041.XA Pending CN106397948A (en) 2012-12-04 2012-12-04 Flame-retardant cable insulation material for high-speed extrusion
CN201610710368.6A Pending CN106432886A (en) 2012-12-04 2012-12-04 Environment-friendly anti-adhesion polyolefin cable material

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Application Number Title Priority Date Filing Date
CN201610710367.1A Active CN106432885B (en) 2012-12-04 2012-12-04 Convenient for squeezing out the polyolefine cable sheath material of processing
CN201610448018.7A Pending CN106519403A (en) 2012-12-04 2012-12-04 Low-smoke halogen-free flame-retardant polyolefin cable material
CN201610697040.5A Pending CN106633332A (en) 2012-12-04 2012-12-04 Low-smoke halogen-free cable sheath for telecommunication cables

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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
CN114420385A (en) * 2019-06-20 2022-04-29 广西纵览线缆集团有限公司 Preparation process of fire-resistant 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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