CN105175852A - Composite flame-retardant cable material with excellent insulation performance and preparation method thereof - Google Patents
Composite flame-retardant cable material with excellent insulation performance and preparation method thereof Download PDFInfo
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- CN105175852A CN105175852A CN201510516918.6A CN201510516918A CN105175852A CN 105175852 A CN105175852 A CN 105175852A CN 201510516918 A CN201510516918 A CN 201510516918A CN 105175852 A CN105175852 A CN 105175852A
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08K2201/011—Nanostructured additives
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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
- 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
- C08L2205/03—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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a composite flame-retardant cable material with an excellent insulation performance. The cable material is composed of the following components in parts by weight: 89 to 91 parts of high density polyethylene, 9 to 11 parts of polyolefin elastomer, 15 to 17 parts of decabromodiphenyl ether, 7 to 9 parts of antimony (III) trioxide, 2 to 3 parts of metallocene polyethylene, 2 to 3 parts of nano magnesium hydroxide, 4 to 5 parts of cyclohexane, 0.2 to 0.3 part of gamma-amino propyl triethoxysilane, 2 to 3 parts of dimethyl silicone oil, 0.6 to 0.8 part of promoter TMTD, 2 to 3 parts of bis(tetradecyl alcohol ester), 3 to 4 parts of chlorinated paraffin, 3 to 5 parts of zinc oxide, and 1 to 2 parts of calcium-zinc stabilizing agent. The formula is reasonable, high density polyethylene is compounded with polyethylene elastomer, the cable speed and insulation performance of the material are both improved, the fluidity of the produced material is good, and the material can be easily plasticized, does not contain any substance that does not meet the environment-friendly requirements, will not pollute the environment, and at the same time, has the advantages of high efficient low smoke flame retardant property, strong anti-puncture performance, and excellent comprehensive performance.
Description
Technical field
The present invention relates to technical field of polymer materials, compound high flame-retardant cable material particularly relating to a kind of excellent insulation performance and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) is a kind of purposes general-purpose plastics widely, different according to the amount of adding softening agent, hard, semi-rigid and flexible article can be made, modification can also be carried out with other polymer blendings, make goods that are of a great variety, different properties, consumption is very large, is one of large general-purpose plastics in the world five.The demand of polyvinyl chloride resin and polyethylene, polypropylene rank front three in the world, and have risen to first at its consumption of China.Polyvinyl chloride itself is also inherent flame retardant material, and its oxygen index is very high, and flame retardant effect is fine, but pure PVC is rigid chain segment, just start to decompose more than 90 DEG C, processing just must add softening agent, softening agent is all inflammable substance, so flexible PVC must add fire retardant just have flame retardant effect.And polyvinyl chloride can produce hydrogen chloride gas when burning, and have very large toxicity and corrodibility, and dense smoke is more.Along with the raising of environmental requirement, the adjacent benzene class such as DOP softening agent is prohibited, and will play every advantage of poly-ethylene cable material thus further.
Polyethylene (PE) is one of maximum general-purpose plastics of current production rate, there is chemical resistance, light weight, electrical insulating property, nontoxic, easy processing, lower-price characteristic, be widely used in the industries such as electrical equipment, chemical industry, packaging, food, traffic, building.But the oxygen index of PE only has 17.5%, belongs to inflammable material, therefore need to carry out flame-retardant modified process to expand its range of application to it.Also have dielectric characteristics in order to improve poly-ethylene cable material, as space charge gather, volume specific resistance and disruptive strength etc., current high voltage direct current cable generally adopts traditional method to carry out modified poly ethylene Insulation Material.Wherein blending technology improves polyethylene dielectric properties to use a kind of maximum methods, but the blended micro interface that can form two phase structure of different components, even occur to material surface infiltration and separation phenomenon, affect other dielectric properties of blend, dielectric strength may be caused to reduce as blended.Therefore, the best way is that the component that use two kinds of chemical structures are similar, consistency is good is blended to carry out, thus eliminates the detrimentally affect of the micro interface of bi-material.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, compound high flame-retardant cable material providing a kind of excellent insulation performance and preparation method thereof.
The present invention is achieved by the following technical solutions:
A compound high flame-retardant cable material for excellent insulation performance, is made up of the raw material of following weight part: high density polyethylene(HDPE) 89-91, polyolefin elastomer 9-11, decabromodiphenyl oxide 15-17, antimonous oxide 7-9, metallocene PE 2-3, nano-sized magnesium hydroxide 2-3, hexanaphthene 4-5, γ-aminopropyl triethoxysilane 0.2-0.3, dimethyl silicone oil 2-3, Vulcanization accelerator TMTD 0.6-0.8, two ten four carbon alcohols ester 2-3, clorafin 3-4, zinc oxide 3-5, calcium zinc stabilizer 1-2.
The compound high flame-retardant cable material of described a kind of excellent insulation performance, be made up of following concrete steps:
(1) decabromodiphenyl oxide, antimonous oxide are joined in high-speed mixer, 15-20 minute is mixed at 80-90 DEG C, then the high density polyethylene(HDPE) of half amount is joined in high-speed mixer, 10-15 minute is mixed at 90-100 DEG C, finally the material mixed is placed in mill, to plasticate at 145 DEG C 8-10 minute slice, put into the dry 5-6 hour of baking oven after pulverizing, namely obtain flame-retardant master batch;
(2) nano-aluminum hydroxide and metallocene PE to be placed on respectively in 80 DEG C of Constant Temp. Ovens thermal treatment 6 hours stand-by; By dried nano-aluminum hydroxide ultrasonic disperse in hexanaphthene, form suspension, then add γ-aminopropyl triethoxysilane, suspension was poured in vessel after 20 minutes by ultrasonic disperse, put into baking oven, dry 24 hours at the temperature of 60 DEG C, obtain the nano powder of surface modification; The nano powder of dried metallocene PE and surface modification puts into mixer, and with the temperature batch mixing 30 minutes of 140 DEG C, then extruding pelletization in twin screw extruder, makes resistance and wear modified master;
(3) polyolefin elastomer is heated to molten state, adds clorafin, zinc oxide, calcium zinc stabilizer, stir and mediate 15-20 minute, send into twin screw extruder granulation, after cooling, obtain mixture;
(4) flame-retardant master batch, resistance are worn modified master, mixture, remaining high density polyethylene(HDPE) and all the other remaining components and put into high-speed mixer, it is 160 DEG C in temperature, 15 minutes are mixed under the speed of 500 revs/min, blanking in 10 minutes is mixed again with the speed of 2000 revs/min, then twin screw extruder extruding pelletization is put into, finally by pellet in 80 DEG C of baking ovens dry 24 hours and get final product.
Advantage of the present invention is: the present invention is by the modification of recipe optimization, add the composition such as nano-aluminum hydroxide and metallocene PE, the introducing of these compositions significantly reduces injection and the gathering of space charge, improve space charge characteristic, improve DC breakdown strength of electric field, simultaneously due to containing a small amount of metallocene PE, improve tensile strength and the over-all properties of CABLE MATERIALS.Add decabromodiphenyl oxide and antimonous oxide, synergy, decreases the growing amount of inflammable gas, changes the resolution model of polymkeric substance, the thermostability of material is improved.Simultaneous reactions decomposites SbBr
3, the long period can rest on combustion zone, there is dilution and buffer action, improve flame retardant properties further.
The present invention fills a prescription rationally, adopt high density polyethylene(HDPE) and polyolefin elastomer composite, improve pull wire speed and the insulating property of material, the good flowing properties of the material produced, easily plastifies, and not containing the material not meeting environmental requirement, can not to environment, there is efficient low-smoke and flame retardant simultaneously, with stronger anti-breakdown performance, excellent combination property.
Embodiment
A compound high flame-retardant cable material for excellent insulation performance, is made up of the raw material of following weight part (kilogram): high density polyethylene(HDPE) 89, polyolefin elastomer 9, decabromodiphenyl oxide 15, antimonous oxide 7, metallocene PE 2, nano-sized magnesium hydroxide 2, hexanaphthene 4, γ aminopropyl triethoxysilane 0.2, dimethyl silicone oil 2, Vulcanization accelerator TMTD 0.6, two ten four carbon alcohols esters 2, clorafin 3, zinc oxide 3, calcium zinc stabilizer 1.
The compound high flame-retardant cable material of described a kind of excellent insulation performance, be made up of following concrete steps:
(1) decabromodiphenyl oxide, antimonous oxide are joined in high-speed mixer, 15 minutes are mixed at 80 DEG C, then the high density polyethylene(HDPE) of half amount is joined in high-speed mixer, 10 minutes are mixed at 90 DEG C, finally the material mixed is placed in mill, to plasticate at 145 DEG C 8 minutes slices, put into baking oven after pulverizing dry 5 hours, namely obtain flame-retardant master batch;
(2) nano-aluminum hydroxide and metallocene PE to be placed on respectively in 80 DEG C of Constant Temp. Ovens thermal treatment 6 hours stand-by; By dried nano-aluminum hydroxide ultrasonic disperse in hexanaphthene, form suspension, then add γ aminopropyl triethoxysilane, suspension was poured in vessel after 20 minutes by ultrasonic disperse, put into baking oven, dry 24 hours at the temperature of 60 DEG C, obtain the nano powder of surface modification; The nano powder of dried metallocene PE and surface modification puts into mixer, and with the temperature batch mixing 30 minutes of 140 DEG C, then extruding pelletization in twin screw extruder, makes resistance and wear modified master;
(3) polyolefin elastomer is heated to molten state, adds clorafin, zinc oxide, calcium zinc stabilizer, stir kneading 15 minutes, send into twin screw extruder granulation, after cooling, obtain mixture;
(4) flame-retardant master batch, resistance are worn modified master, mixture, remaining high density polyethylene(HDPE) and all the other remaining components and put into high-speed mixer, it is 160 DEG C in temperature, 15 minutes are mixed under the speed of 500 revs/min, blanking in 10 minutes is mixed again with the speed of 2000 revs/min, then twin screw extruder extruding pelletization is put into, finally by pellet in 80 DEG C of baking ovens dry 24 hours and get final product.
CABLE MATERIALS of the present invention is applied to the production of cable, after testing, the index reached is as follows for cable product: tensile strength >=16MPa, and fracture extension rate >=280%, elongation at break velocity of variation is 17.0%, oxygen index >=28%, dielectric strength >=30MV/m.
Claims (2)
1. the compound high flame-retardant cable material of an excellent insulation performance, it is characterized in that, be made up of the raw material of following weight part: high density polyethylene(HDPE) 89-91, polyolefin elastomer 9-11, decabromodiphenyl oxide 15-17, antimonous oxide 7-9, metallocene PE 2-3, nano-sized magnesium hydroxide 2-3, hexanaphthene 4-5, γ-aminopropyl triethoxysilane 0.2-0.3, dimethyl silicone oil 2-3, Vulcanization accelerator TMTD 0.6-0.8, two ten four carbon alcohols ester 2-3, clorafin 3-4, zinc oxide 3-5, calcium zinc stabilizer 1-2.
2. the compound high flame-retardant cable material of a kind of excellent insulation performance according to claim 1, is characterized in that, be made up of following concrete steps:
(1) decabromodiphenyl oxide, antimonous oxide are joined in high-speed mixer, 15-20 minute is mixed at 80-90 DEG C, then the high density polyethylene(HDPE) of half amount is joined in high-speed mixer, 10-15 minute is mixed at 90-100 DEG C, finally the material mixed is placed in mill, to plasticate at 145 DEG C 8-10 minute slice, put into the dry 5-6 hour of baking oven after pulverizing, namely obtain flame-retardant master batch;
(2) nano-aluminum hydroxide and metallocene PE to be placed on respectively in 80 DEG C of Constant Temp. Ovens thermal treatment 6 hours stand-by; By dried nano-aluminum hydroxide ultrasonic disperse in hexanaphthene, form suspension, then add γ-aminopropyl triethoxysilane, suspension was poured in vessel after 20 minutes by ultrasonic disperse, put into baking oven, dry 24 hours at the temperature of 60 DEG C, obtain the nano powder of surface modification; The nano powder of dried metallocene PE and surface modification puts into mixer, and with the temperature batch mixing 30 minutes of 140 DEG C, then extruding pelletization in twin screw extruder, makes resistance and wear modified master;
(3) polyolefin elastomer is heated to molten state, adds clorafin, zinc oxide, calcium zinc stabilizer, stir and mediate 15-20 minute, send into twin screw extruder granulation, after cooling, obtain mixture;
(4) flame-retardant master batch, resistance are worn modified master, mixture, remaining high density polyethylene(HDPE) and all the other remaining components and put into high-speed mixer, it is 160 DEG C in temperature, 15 minutes are mixed under the speed of 500 revs/min, blanking in 10 minutes is mixed again with the speed of 2000 revs/min, then twin screw extruder extruding pelletization is put into, finally by pellet in 80 DEG C of baking ovens dry 24 hours and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510516918.6A CN105175852A (en) | 2015-08-21 | 2015-08-21 | Composite flame-retardant cable material with excellent insulation performance and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510516918.6A CN105175852A (en) | 2015-08-21 | 2015-08-21 | Composite flame-retardant cable material with excellent insulation performance and preparation method thereof |
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| CN105175852A true CN105175852A (en) | 2015-12-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778216A (en) * | 2016-03-30 | 2016-07-20 | 苗庆龄 | Low-smoke flame retardant polyethylene cable material and preparation method |
| CN105860188A (en) * | 2016-04-13 | 2016-08-17 | 安徽埃克森科技集团有限公司 | Composite cable material with flame retardation synergism due to addition of modified activated white clay, and preparation method thereof |
| CN107492415A (en) * | 2017-08-02 | 2017-12-19 | 安徽华通电缆集团有限公司 | A kind of low-smoke fireproof cable sheath |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432939A (en) * | 2011-11-07 | 2012-05-02 | 中国蓝星（集团）股份有限公司 | Antistatic flame-retardant ultra high molecular weight polyethylene composition and preparation method thereof |
| CN103524937A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-flame-retardation polyvinyl chloride cable material |
| CN104341657A (en) * | 2013-08-08 | 2015-02-11 | 扬州德宝电缆有限公司 | Production method for low-smoke halogen-free mica mineral reinforced fire-resistant cable material |
-
2015
- 2015-08-21 CN CN201510516918.6A patent/CN105175852A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432939A (en) * | 2011-11-07 | 2012-05-02 | 中国蓝星（集团）股份有限公司 | Antistatic flame-retardant ultra high molecular weight polyethylene composition and preparation method thereof |
| CN104341657A (en) * | 2013-08-08 | 2015-02-11 | 扬州德宝电缆有限公司 | Production method for low-smoke halogen-free mica mineral reinforced fire-resistant cable material |
| CN103524937A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | High-flame-retardation polyvinyl chloride cable material |
Non-Patent Citations (1)
| Title |
|---|
| 王丽丽等: "低卤低烟阻燃HDPE电缆料的研制", 《合成树脂及塑料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778216A (en) * | 2016-03-30 | 2016-07-20 | 苗庆龄 | Low-smoke flame retardant polyethylene cable material and preparation method |
| CN105860188A (en) * | 2016-04-13 | 2016-08-17 | 安徽埃克森科技集团有限公司 | Composite cable material with flame retardation synergism due to addition of modified activated white clay, and preparation method thereof |
| CN107492415A (en) * | 2017-08-02 | 2017-12-19 | 安徽华通电缆集团有限公司 | A kind of low-smoke fireproof cable sheath |
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