CN103724788B - A kind of cable sheath and preparation method thereof - Google Patents
A kind of cable sheath and preparation method thereof Download PDFInfo
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- CN103724788B CN103724788B CN201310696131.3A CN201310696131A CN103724788B CN 103724788 B CN103724788 B CN 103724788B CN 201310696131 A CN201310696131 A CN 201310696131A CN 103724788 B CN103724788 B CN 103724788B
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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
- 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
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- 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
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
- 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
- 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
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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
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses a kind of cable sheath, described cable sheath comprises the material of following weight part: ethene-vinyl acetate copolymer, magnesium hydroxide, aluminium hydroxide, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, silicone, silane, weighting agent, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil, toner and polyethylene.The present invention is by carrying out compound by EVA and PE, cable sheath is made to have the excellent feature such as snappiness, shock-resistance, environmental stress resistance, there will not be crackle so that cracking, simultaneously in order to overcome its inflammable shortcoming, with the addition of a series of auxiliary agent such as aluminium hydroxide, magnesium hydroxide.Improve the flame-retarding characteristic of cable sheath, be both the material not adding halide, make cable sheath Halogen.With the addition of weighting agent, make cable sheath thermal stability good, can use under the environment of 105 DEG C.
Description
Technical field
The invention belongs to cable production technical field, particularly a kind of cable sheath and preparation method thereof.
Background technology
Cable is the general designation of the article such as optical cable, cable.The purposes of cable has a lot, and being mainly used in multiple actions such as controlling installation, linking device, transmit electric power, is common and indispensable a kind of thing in daily life.
Owing to wanting life-time service, the temperature of its Working environment can be very high, therefore needs the crust of cable to have resistant to elevated temperatures characteristic.
Simultaneously, existing cable sheath is many containing halogenide, in fire, the burning of Halogen cable can consume a large amount of oxygen, discharge a large amount of smog such as a large amount of carbon monoxide, carbonic acid gas etc. and acidity, toxic gas, damage the nose of field staff, mouth and throat, smog also makes victim easily get lost, being difficult to flee from big fire scene, is the biggest threat in fire faced by human life.
To sum up, manufacture can be high temperature resistant, low smoke and zero halogen and the cable sheath with anti-flaming function becomes the technical barrier in this area.
Summary of the invention
Object of the present invention can be high temperature resistant for providing, low smoke and zero halogen and a kind of cable sheath with anti-flaming function and preparation method thereof.
To achieve these goals, the present invention is by the following technical solutions:
A kind of cable sheath, described cable sheath comprises the material of following weight part:
Ethene-vinyl acetate copolymer 80-120 part,
Magnesium hydroxide 70-90 part,
Aluminium hydroxide 70-90 part,
Maleic anhydride grafted ethene-vinyl acetate copolymer 30-40 part,
Maleic anhydride grafted polyethylene 30-40 part,
Zinc borate 20-30 part,
Silicone 5-8 part,
Silane 5-8 part,
Weighting agent 40-60 part,
Antioxidant 1010 1-2 part,
Zinc oxide 1-2 part
Ferric oxide 1-2 part,
Epoxy soybean oil 3-5 part,
Toner 2-3 part,
Polyethylene 5-8 part,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 25-30%.
Described weighting agent is one or more mixtures in calcium carbonate, talcum powder, potter's clay, white carbon black or polynite.
Ethene-vinyl acetate copolymer (EVA) has good filler pardon, cross linkable, flexibility, shock-resistance, environmental stress crack resistance, optics and low temperature tolerance characteristics.EVA and polyethylene (PE) matrix material have excellent a series of excellent characteristics such as snappiness, shock-resistance, environmental stress resistance.But when easily burning and burn, release has the black smoke of poisonous gas, therefore needs to add the material with flame-retardant composition wherein.The present invention is material based on EVA, compound PE, and adds other composition, is made into cable sheath.
When cable sheath is burnt, aluminium hydroxide and magnesium hydroxide can decompose absorption heat, also discharge crystal water simultaneously, thus inhibit the rising of the temperature of cable sheath, and then delay the thermolysis of cable sheath and reduce combustionvelocity; The crystal water discharged in decomposition course becomes water vapour at higher temperatures, reduces the concentration of cable sheath near surface oxygen and inflammable gas, stops the burning on cable sheath surface to a certain extent; Secondly, aluminium hydroxide and magnesium hydroxide can form charring layer at cable crust surface, stop entering of oxygen and heat; Aluminum oxide and the magnesium oxide product of decomposing generation are also good refractory materialss simultaneously, improve the ability of cable sheath opposing flame, play the object that isolated air stops burning, aluminum oxide and magnesium oxide with can cooperative flame retardant be played, therefore aluminium hydroxide and magnesium hydroxide as fire retardant have do not produce corrodibility halogen gas and obnoxious flavour, non-volatile, effect is lasting, nontoxic, the feature such as smokelessly, not drip.
Aluminium hydroxide and the little price high flame resistance of material that causes of magnesium hydroxide addition poor, often cause when but its addition is excessive the mechanical property of material and processing characteristics seriously impaired, therefore in order to reduce cable sheath cost, improve fire retardancy, the present invention with the addition of aluminium hydroxide and each 70-90 part of magnesium hydroxide, and with the addition of other compositions, to improve mechanical property and the processing characteristics of cable sheath.
In order to make the flame retardant effect of aluminium hydroxide and magnesium hydroxide better, the present invention carries out surface modification to aluminium hydroxide and magnesium hydroxide by silane coupling agent, can both reach the object improving magnesium hydroxide surface property, good carbonized structure can be formed when cable sheath is burnt again, further increase the fire-retardant of cable sheath and mechanical mechanics property.
In order to improve the flame retardant effect of aluminium hydroxide and magnesium hydroxide further, add auxiliary flame retardant zinc oxide and ferric oxide.
Zinc borate and silicone mainly cover system surface because these two kinds of materials can form glass state material when burning to cable sheath fire retardation, contribute to the layer of charcoal improving System forming compactness, the transmission of more effectively isolated combustiblesubstance, strengthen the charing of system and press down cigarette effect, thus the flame retardant properties of system is improved.Zinc borate and silicone have synergistic function to the flame retardant properties improving system.
Silicone and silane are in the heat absorption system containing aluminium hydroxide and magnesium hydroxide simultaneously, can promote that the decomposition of EVA and aluminium hydroxide and magnesium hydroxide are dewatered, reduce and start to decompose dehydration temperaturre.
In order to increase cable sheath material between blended effect, with the addition of maleic anhydride grafted ethene-vinyl acetate copolymer and maleic anhydride grafted polyethylene as compatilizer.
With the addition of weighting agent, add the high high-temp stability of cable sheath, reduce the cost of cable sheath simultaneously.
After adding people's oxidation inhibitor, oxidation inhibitor can catch and cause molecular rupture because being heated and the free radical produced.
What epoxy soybean oil can be used as that softening agent adds cable sheath to prepares in material, can strengthen snappiness, easily process.
The interpolation of toner, can meet the needs of cable sheath to different colours.
A preparation method for cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 5-10min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, weighting agent, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 15-20min, then polyethylene is added, mixing 15-20min, the rotating speed of described high-speed mixer is 900-1000rpm, and temperature is 120-150 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
The present invention adopts above technical scheme, by EVA and PE is carried out compound, cable sheath is made to have the excellent feature such as snappiness, shock-resistance, environmental stress resistance, there will not be crackle so that cracking, simultaneously in order to overcome its inflammable shortcoming, with the addition of a series of auxiliary agent such as aluminium hydroxide, magnesium hydroxide.Improve the flame-retarding characteristic of cable sheath, be both the material not adding halide, make cable sheath Halogen.With the addition of weighting agent, make cable sheath thermal stability good, can use under the environment of 105 DEG C.
Embodiment
Below in conjunction with embodiment, the present invention is further detailed explanation:
A kind of cable sheath, described cable sheath comprises the material of following weight part:
Ethene-vinyl acetate copolymer 80-120 part,
Magnesium hydroxide 70-90 part,
Aluminium hydroxide 70-90 part,
Maleic anhydride grafted ethene-vinyl acetate copolymer 30-40 part,
Maleic anhydride grafted polyethylene 30-40 part,
Zinc borate 20-30 part,
Silicone 5-8 part,
Silane 5-8 part,
Weighting agent 40-60 part,
Antioxidant 1010 1-2 part,
Zinc oxide 1-2 part,
Ferric oxide 1-2 part,
Epoxy soybean oil 3-5 part,
Toner 2-3 part,
Polyethylene 5-8 part,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 25-30%.
Described weighting agent is one or more mixtures in calcium carbonate, talcum powder, potter's clay, white carbon black or polynite.
A preparation method for cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 5-10min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, weighting agent, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 15-20min, then polyethylene is added, mixing 15-20min, the rotating speed of described high-speed mixer is 900-1000rpm, and temperature is 120-150 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
Embodiment 1
A kind of cable sheath, the material that described cable sheath comprises following weight part is formed:
Ethene-vinyl acetate copolymer 80 parts,
Magnesium hydroxide 70 parts,
70 parts, aluminium hydroxide,
Maleic anhydride grafted ethene-vinyl acetate copolymer 30 parts,
Maleic anhydride grafted polyethylene 30 parts,
Zinc borate 20 parts,
Silicone 5 parts,
5 parts, silane,
40 parts, calcium carbonate,
Antioxidant 1010 1 part,
1 part, zinc oxide,
Ferric oxide 1 part,
Epoxy soybean oil 3 parts,
Toner 2 parts,
Polyethylene 5 parts,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 25%.
A preparation method for cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 5min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, calcium carbonate, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 15min, then polyethylene is added, mixing 15min, the rotating speed of described high-speed mixer is 900rpm, and temperature is 120 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
Embodiment 2
A kind of cable sheath, the material that described cable sheath comprises following weight part is formed:
Ethene-vinyl acetate copolymer 120 parts,
Magnesium hydroxide 90 parts,
90 parts, aluminium hydroxide,
Maleic anhydride grafted ethene-vinyl acetate copolymer 40 parts,
Maleic anhydride grafted polyethylene 40 parts,
Zinc borate 30 parts,
Silicone 8 parts,
8 parts, silane,
Polynite 60 parts,
Antioxidant 1010 2 parts,
2 parts, zinc oxide
Ferric oxide 2 parts,
Epoxy soybean oil 5 parts,
Toner 3 parts,
Polyethylene 8 parts,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 30%.
A preparation method for cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 10min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, polynite, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 20min, then polyethylene is added, mixing 20min, the rotating speed of described high-speed mixer is 1000rpm, and temperature is 150 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
Embodiment 3
A kind of cable sheath, the material that described cable sheath comprises following weight part is formed:
Ethene-vinyl acetate copolymer 100 parts,
Magnesium hydroxide 80 parts,
80 parts, aluminium hydroxide,
Maleic anhydride grafted ethene-vinyl acetate copolymer 35 parts,
Maleic anhydride grafted polyethylene 35 parts,
Zinc borate 25 parts,
Silicone 6 parts,
6 parts, silane,
Talcum powder 50 parts,
Antioxidant 1010 1.5 parts,
1.5 parts, zinc oxide,
Ferric oxide 1.5 parts,
Epoxy soybean oil 4 parts,
Toner 2.5 parts,
Polyethylene 6 parts,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 27%.
A preparation method for cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 8min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, talcum powder, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 17min, then polyethylene is added, mixing 17min, the rotating speed of described high-speed mixer is 950rpm, and temperature is 130 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
Embodiment 4
A kind of cable sheath, the material that described cable sheath comprises following weight part is formed:
Ethene-vinyl acetate copolymer 90 parts,
Magnesium hydroxide 85 parts,
85 parts, aluminium hydroxide,
Maleic anhydride grafted ethene-vinyl acetate copolymer 30 parts,
Maleic anhydride grafted polyethylene 30 parts,
Zinc borate 30 parts,
Silicone 7 parts,
7 parts, silane,
45 parts, potter's clay,
Antioxidant 1010 1 part,
2 parts, zinc oxide,
Ferric oxide 2 parts,
Epoxy soybean oil 4 parts,
Toner 2 parts,
Polyethylene 7 parts,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 28%.
A preparation method for cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 6min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, potter's clay, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 18min, then polyethylene is added, mixing 18min, the rotating speed of described high-speed mixer is 980rpm, and temperature is 140 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
Claims (3)
1. a preparation method for cable sheath, is characterized in that: described cable sheath comprises the material of following weight part:
Ethene-vinyl acetate copolymer 80-120 part,
Magnesium hydroxide 70-90 part,
Aluminium hydroxide 70-90 part,
Maleic anhydride grafted ethene-vinyl acetate copolymer 30-40 part,
Maleic anhydride grafted polyethylene 30-40 part,
Zinc borate 20-30 part,
Silicone 5-8 part,
Silane 5-8 part,
Weighting agent 40-60 part,
Antioxidant 1010 1-2 part,
Zinc oxide 1-2 part,
Ferric oxide 1-2 part,
Epoxy soybean oil 3-5 part,
Toner 2-3 part,
Polyethylene 5-8 part,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 25-30%;
The preparation method of described cable sheath, it comprises following steps:
Batching: with raw material by weight;
Batch mixing: add magnesium hydroxide, aluminium hydroxide, silicone, silane mixing 5-10min in high-speed mixer, add ethene-vinyl acetate copolymer, maleic anhydride grafted ethene-vinyl acetate copolymer, maleic anhydride grafted polyethylene, weighting agent, antioxidant 1010, zinc oxide, ferric oxide, epoxy soybean oil and toner again, mixing 15-20min, then polyethylene is added, mixing 15-20min, the rotating speed of described high-speed mixer is 900-1000rpm, and temperature is 120-150 DEG C;
Pelletizing: by twin screw extruder extruding pelletization after raw material blending, then pack.
2. the preparation method of a kind of cable sheath according to claim 1, is characterized in that: described cable sheath comprises the material of following weight part:
Ethene-vinyl acetate copolymer 100 parts,
Magnesium hydroxide 80 parts,
80 parts, aluminium hydroxide,
Maleic anhydride grafted ethene-vinyl acetate copolymer 35 parts,
Maleic anhydride grafted polyethylene 35 parts,
Zinc borate 25 parts,
Silicone 6 parts,
6 parts, silane,
Weighting agent 50 parts,
Antioxidant 1010 1.5 parts,
1.5 parts, zinc oxide,
Ferric oxide 1.5 parts,
Epoxy soybean oil 4 parts,
Toner 2.5 parts,
Polyethylene 6 parts,
In described ethene-vinyl acetate copolymer, the content of vinyl-acetic ester is 27%.
3. the preparation method of a kind of cable sheath according to claim 1 and 2, is characterized in that: described weighting agent is one or more mixtures in calcium carbonate, talcum powder, potter's clay, white carbon black or polynite.
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| CN107236182B (en) * | 2015-05-11 | 2020-03-24 | 中广核高新核材科技（苏州）有限公司 | Oil-resistant and mud-resistant radiation cross-linked flame-retardant cable material |
| CN106336566A (en) * | 2016-08-31 | 2017-01-18 | 欧宝聚合物江苏有限公司 | High-flame-retardance inner liner low-smoke halogen-free cable material and preparation method thereof |
| CN109593266B (en) * | 2018-12-14 | 2021-07-27 | 成都鑫成鹏高分子科技股份有限公司 | Ultralow-smoke-density halogen-free flame-retardant cable material and preparation method thereof |
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| CN102382355A (en) * | 2011-09-21 | 2012-03-21 | 安徽金田通信科技实业有限公司 | Low-smoke environment-friendly cable material and preparation method thereof |
| CN102492197A (en) * | 2011-12-07 | 2012-06-13 | 周俊民 | Sheath material for photovoltaic cable |
| CN103172918A (en) * | 2011-12-22 | 2013-06-26 | 上海杰事杰新材料(集团)股份有限公司 | Low-smoke halogen-free flame-retardant cable material and preparation method thereof |
| CN103012939A (en) * | 2012-09-29 | 2013-04-03 | 深圳市沃尔核材股份有限公司 | Ultraviolet light cross-linking heat-shrinkage pipe material and method for producing ultraviolet light cross-linking heat-shrinkage pipe |
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