CN103483671A - Low-smoke halogen-free flame-retardant cable material and preparation method thereof - Google Patents
Low-smoke halogen-free flame-retardant cable material and preparation method thereof Download PDFInfo
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- CN103483671A CN103483671A CN201310474476.4A CN201310474476A CN103483671A CN 103483671 A CN103483671 A CN 103483671A CN 201310474476 A CN201310474476 A CN 201310474476A CN 103483671 A CN103483671 A CN 103483671A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L23/06—Polyethene
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- 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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- 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
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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
- C08L2201/22—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
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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
- C08L2205/02—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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- 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
- C08L2207/062—HDPE
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a low-smoke halogen-free flame-retardant cable material which comprises the following components in percentage by weight: 5-15% of polyethylene, 1-5% of ethylene-alpha-olefin silane copolymer elastomer, 10-20% of polypropylene, 1-10% of ethylene-acrylic copolymer elastomer, 50-70% of flame retardant, 0.5-2% of antioxidant, 0.5-2% of anti-aging agent and 1-3% of lubricant. The invention also provides a preparation method of the low-smoke halogen-free flame-retardant cable material. Compared with the prior art, the low-smoke halogen-free flame-retardant cable material provided by the invention has the advantages of excellent mechanical properties, excellent electric properties, excellent flame retardancy and excellent working properties, and satisfies the environmental requirements of people for wires and cables. The method provided by the invention has the advantages of lower facility request, simple control technique, lower preparation cost and more energy-saving.
Description
Technical field
The invention belongs to technical field of polymer materials, especially relate to a kind of fireproofing cable material without halide and preparation method thereof.
Background technology
At present, the CABLE MATERIALS that the wires and cables industry usage quantity is larger, its main component or polyvinyl chloride (PVC), it is a kind of halogen material, its chlorinity is up to 50%, and also adds harmful material modified of a large amount of other in the electric wire manufacturing processed.This polyvinyl chloride cable material used at present can produce halohydrocarbon and other hazardous compounds when burning, and very harmful to human body when presence of fire can make people's death by suffocation.The deficiency of the environmental-protecting performance aspect of PVC material and the hazardness of fire, make people start gradually the application of restriction to PVC.The international organizations such as the European Union industrial application of restriction PVC material of having made laws, and the functional materials of trying every possible means to develop environmental protection replaces the PVC material as early as possible.
Because existing low smoke and zero halogen high temperature material often adopts the modes such as cross-linking radiation, crosslinked with silicane, realize, facility investment is large, and technology controlling and process more complicated, operation increase, and the costs such as consuming time, power consumption are also larger accordingly.Electric wire industry requirement pressure cheaply is increasing, so the fireproofing cable material without halide of irradiation is exempted from exploitation, just seems particularly important.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the purpose of this invention is to provide a kind of mechanical property and processing characteristics fireproofing cable material without halide and preparation method thereof preferably, reduce the manufacturing cost of electric wire.
For achieving the above object, the invention provides a kind of fireproofing cable material without halide, it is characterized in that, its composition comprises by weight percentage:
Preferably, described polyethylene is a kind of in Low Density Polyethylene, high density polyethylene(HDPE), linear low density polyethylene.
Preferably, described ethylene acrylic copolymer elastomer is the ethylene acrylic grafted maleic anhydride.
Preferably, one or both mixtures in the magnesium hydroxide of the crystal particle diameter that described fire retardant is isocyanic acid trimeric cyanamide or silane surface treatment below 1 μ m.
Preferably, described ethene-alpha-olefin silane copolymer elastomerics is ethylene octene copolymerized grafting silane crosslinker.
Preferably, described oxidation inhibitor is oxidation inhibitor 565, oxidation inhibitor 1024 or 4,4 '-dioctyl-diphenylamine, N, N '-diphenyl-para-phenylene diamine, 2,2, and 4-trimethylammonium-1, the amine such as polymkeric substance of 2-dihydroquinoline are one or more mixtures in antioxidant.Oxidation inhibitor 565 is: 4-[(4, the hot sulfenyl-1,3,5-triazines of 6-bis--2-yl) amino]-2,6 di t butyl phenol.Oxidation inhibitor 1024 is: 2-[3-[3,5-dual-tert-butyl-4-hydroxy phenyl]-propionyl] hydrazine-3,5-dual-tert-butyl-4-hydroxy phenylpropionic acid.
Preferably, described anti-aging agent is dinitrogen lopps 2-mercaptobenzimidazole, 3-(N-salicylyl) amino-1,2,4-triazole, 2,2 '-oxamide is two-(ethyl 3-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester) in one or more mixtures.
Preferably, described lubricant is a kind of of lower molecular weight isotatic polypropylene or soap.
The present invention also provides a kind of preparation method who prepares above-mentioned fireproofing cable material without halide, it is characterized in that, comprises the following steps:
(1) mediate putting into the 55L kneader after the accurate weighing of each component, evenly mix under the high temperature of 180 ℃~200 ℃;
(2) by the 150MM single screw extrusion machine under 160 ℃~210 ℃, extrude, earnestly, granulation, obtain described fireproofing cable material without halide.
Compared to prior art, the invention has the beneficial effects as follows: the present invention is applied to multiple modified plastics elastomerics, fire retardant in formula system, separately add targetedly and the good auxiliary agent of material compatibility, during preparation by mediating, extrude, the technique such as granulation obtains the fireproofing cable material without halide of high speed extrusion, there is the physical propertys such as good fire-retardant, high-low temperature resistant, oil resistant, be applicable to make electric wire, equipment wiring etc.
The fireproofing cable material without halide equipment requirements is lower, control technique is simple to adopt method provided by the invention to prepare this kind, and preparation cost is lower, more energy-conservation.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1~6
Get each component, wherein polyethylene adopts Low Density Polyethylene, ethene-alpha-olefin silane copolymer elastomerics adopts ethylene octene copolymerized grafting silane crosslinker, the ethylene acrylic acid co polymer elastomerics adopts the ethylene acrylic grafted maleic anhydride, the mixture of the magnesium hydroxide of the crystal particle diameter that fire retardant adopts silane surface treatment below 1 μ m or this kind of magnesium hydroxide and isocyanic acid trimeric cyanamide, oxidation inhibitor adopts the two mixture of oxidation inhibitor 565 and oxidation inhibitor 1024, anti-aging agent adopts dinitrogen lopps 2-mercaptobenzimidazole, lubricant adopts the low-molecular-weight polypropylene lubricant, press the component raw material of accurate each Example formulations of weighing of compositing formula of the weight percent meter in table 1:
Table 1.
In each embodiment, during mixing, first will except fire retardant, first mix by all components, put into again the 55L kneader and mediate 10min at 130 ℃ of temperature, then fire retardant is divided equally to three parts and put into successively in resin, under the high temperature of 180 ℃~200 ℃ mixing 20 minutes, after mixing, to mediate uniform blend composition again, by the 150mm single screw extrusion machine under 160 ℃~210 ℃, extrude, earnestly, granulation, obtain fireproofing cable material without halide.
The resulting 6 composition product fireproofing cable material without halide of above embodiment are dried respectively to rear extrusion and obtain electric wire, make the electric wire section of insulation thickness 1mm, according to UL1581 electric wire and flexible cord reference standard, carry out mechanical property, flame retardant properties and electric performance test.Test result is as shown in table 2.
Table 2. mechanical property, flame retardant properties and electric performance test result
From the test result of table 2, embodiment 1 to 6 preparation-obtained fireproofing cable material without halide has excellent mechanical property, flame retardant properties and electrical property, better for the processing characteristics of suppressing electric wire, equipment wiring etc.Prepare fireproofing cable material without halide technique of the present invention simple, do not need to adopt the modes such as cross-linking radiation, crosslinked with silicane to realize, facility investment is less, technology controlling and process is easy, consuming time less, lower for making the electric wire cost, greatly reduce energy consumption, more meet environmental requirement.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that spirit is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. a fireproofing cable material without halide, is characterized in that, its composition comprises by weight percentage:
Polyethylene 5-15%;
Ethene-alpha-olefin silane copolymer elastomerics 1-5%;
Polypropylene 10-20%;
Ethylene acrylic acid co polymer elastomerics 1-10%;
Fire retardant 50-70%;
Oxidation inhibitor 0.5-2%;
Anti-aging agent 0.5-2%;
Lubricant 1-3%.
2. a kind of fireproofing cable material without halide according to claim 1 is characterized in that: described polyethylene is a kind of in Low Density Polyethylene, high density polyethylene(HDPE), linear low density polyethylene.
3. a kind of fireproofing cable material without halide according to claim 1, it is characterized in that: described ethylene acrylic copolymer elastomer is the ethylene acrylic grafted maleic anhydride.
4. a kind of fireproofing cable material without halide according to claim 1, is characterized in that: one or both mixtures in the magnesium hydroxide of the crystal particle diameter that described fire retardant is isocyanic acid trimeric cyanamide or silane surface treatment below 1 μ m.
5. a kind of fireproofing cable material without halide according to claim 1, it is characterized in that: described ethene-alpha-olefin silane copolymer elastomerics is ethylene octene copolymerized grafting silane crosslinker.
6. a kind of fireproofing cable material without halide according to claim 1, it is characterized in that: described oxidation inhibitor is oxidation inhibitor 565, oxidation inhibitor 1024 or 4,4 '-dioctyl-diphenylamine, N, N '-diphenyl-para-phenylene diamine, 2,2,4-trimethylammonium-1, the amine such as polymkeric substance of 2-dihydroquinoline are one or more mixtures in antioxidant.
7. a kind of fireproofing cable material without halide according to claim 1, it is characterized in that: described anti-aging agent is dinitrogen lopps 2-mercaptobenzimidazole, 3-(N-salicylyl) amino-1,2,4-triazole, 2,2 '-oxamide is two-(ethyl 3-(3,5-di-t-butyl-4-hydroxy phenyl) propionic ester) in one or more mixtures.
8. a kind of fireproofing cable material without halide according to claim 1, it is characterized in that: described lubricant is a kind of of lower molecular weight isotatic polypropylene or soap.
9. a preparation method who prepares fireproofing cable material without halide claimed in claim 1, is characterized in that, comprises the following steps:
(1) mediate putting into the 55L kneader after the accurate weighing of each component, evenly mix under the high temperature of 180 ℃ ~ 200 ℃;
(2) by the 150MM single screw extrusion machine under 160 ℃ ~ 210 ℃, extrude, earnestly, granulation, obtain described fireproofing cable material without halide.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103937102A (en) * | 2014-04-12 | 2014-07-23 | 安徽江威精密制造有限公司 | Flame-retardant isotactic polypropylene capacitor metallized film and preparation method thereof |
CN104086847A (en) * | 2014-06-27 | 2014-10-08 | 绿宝电缆(集团)有限公司 | Weather-resistant flame-retardant modified polyolefin cable sheath material |
CN105837911A (en) * | 2016-05-27 | 2016-08-10 | 国网河南社旗县供电公司 | Insulating heat conducting cable material and preparation method thereof |
CN107177078A (en) * | 2017-06-29 | 2017-09-19 | 合肥达户电线电缆科技有限公司 | A kind of flame retardant cable |
CN108699282A (en) * | 2016-02-29 | 2018-10-23 | 陶氏环球技术有限责任公司 | Halogen-free flame-retardant composition with improved tensile property |
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JP2002105255A (en) * | 2000-10-03 | 2002-04-10 | Furukawa Electric Co Ltd:The | Flame-retardant resin composition and molded article using the same |
CN102863688A (en) * | 2011-07-06 | 2013-01-09 | 日立电线株式会社 | Halogen-free flame retardant resin composition and insulating wire using same |
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2013
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JP2002105255A (en) * | 2000-10-03 | 2002-04-10 | Furukawa Electric Co Ltd:The | Flame-retardant resin composition and molded article using the same |
CN102863688A (en) * | 2011-07-06 | 2013-01-09 | 日立电线株式会社 | Halogen-free flame retardant resin composition and insulating wire using same |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103937102A (en) * | 2014-04-12 | 2014-07-23 | 安徽江威精密制造有限公司 | Flame-retardant isotactic polypropylene capacitor metallized film and preparation method thereof |
CN103937102B (en) * | 2014-04-12 | 2016-06-08 | 安徽江威精密制造有限公司 | A kind of capacitor metalized film of fire-retardant isotatic polypropylene and its preparation method |
CN104086847A (en) * | 2014-06-27 | 2014-10-08 | 绿宝电缆(集团)有限公司 | Weather-resistant flame-retardant modified polyolefin cable sheath material |
CN108699282A (en) * | 2016-02-29 | 2018-10-23 | 陶氏环球技术有限责任公司 | Halogen-free flame-retardant composition with improved tensile property |
CN105837911A (en) * | 2016-05-27 | 2016-08-10 | 国网河南社旗县供电公司 | Insulating heat conducting cable material and preparation method thereof |
CN105837911B (en) * | 2016-05-27 | 2018-04-03 | 国网河南社旗县供电公司 | A kind of insulating heat-conductive CABLE MATERIALS and preparation method thereof |
CN107177078A (en) * | 2017-06-29 | 2017-09-19 | 合肥达户电线电缆科技有限公司 | A kind of flame retardant cable |
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