CN104829909A - High-temperature-resistant high-strength silane crosslinked polyethylene cable material and preparation method therefor - Google Patents

High-temperature-resistant high-strength silane crosslinked polyethylene cable material and preparation method therefor Download PDF

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Publication number
CN104829909A
CN104829909A CN201510189904.8A CN201510189904A CN104829909A CN 104829909 A CN104829909 A CN 104829909A CN 201510189904 A CN201510189904 A CN 201510189904A CN 104829909 A CN104829909 A CN 104829909A
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China
Prior art keywords
parts
cable material
ethylene
temperature
silane
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CN201510189904.8A
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Inventor
黄若丰
杨强
马津生
张翠翠
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BENGBU TIANGUANG SENSOR Co Ltd
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BENGBU TIANGUANG SENSOR Co Ltd
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Publication of CN104829909A publication Critical patent/CN104829909A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/441Insulators 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00Crosslinking
    • C08L2312/08Crosslinking by silane

Abstract

The present invention discloses a high-temperature-resistant high-strength silane crosslinked polyethylene cable material. The high-temperature-resistant high-strength silane crosslinked polyethylene cable material is characterized by being prepared from the following raw materials in parts by weight: 65-75 parts of high density polyethylene, 20-30 parts of an ethylene-tetrafluoroethylene copolymer, 15-18 parts of nylon 6T, 0.1-0.2 part of an anticopper agent, 5-8 parts of morpholine, 3.4-4.6 parts of ethylene bisstearamide, 3.6-5.8 parts of dimethyl phthalate, 12-16 parts of vinyl tri(beta-methoxyethoxy) silane, 1-2 parts of table salts, 2-3 parts of magnesium stannate, 3-5 parts of carbon fibers, 12-14 parts of kaolin, 33-42 parts of an epoxy resin emulsion and an appropriate amount of water. According to the high-temperature-resistant high-strength silane crosslinked polyethylene cable material disclosed by the present invention, the strength and corrosion resistance of the cable material are improved by adding the carbon fibers; and moreover, the cable material prepared by adding other effective auxiliaries has the characteristics of being excellent in barrier property, high-temperature-resistant, excellent in electric property, good in flame retardance and the like, and can be used for electric wires or low-voltage cable products.

Description

Organosilane cross-linked poly-ethylene cable material that a kind of high temperature strength is high and preparation method thereof
Technical field
The present invention relates to CABLE MATERIALS technical field, be specifically related to high organosilane cross-linked poly-ethylene cable material of a kind of high temperature strength and preparation method thereof.
Background technology
Along with the development of modern science and technology, the specification of quality of people to electric wire is more and more higher, and the appearance of organosilane crosslinked polyethylene compensate for the deficiency of common polythene electric wire.Organosilane cross-linked poly-ethylene cable material can improve transmission capacity, the overload capacity of circuit, and this material is when manufacturing cross-linked wire and cable, compare with cross-linking radiation with peroxide crosslinking, there is required producing apparatus simple, easy to operate, the advantages such as comprehensive cost is low, the insulating material as lv power cable has become the leading material of low-voltage crosslinked cable insulation at present in China's wires and cables industry.
High density polyethylene(HDPE) is cheap, light weight, excellent property, but the linear molecular structure of high density polyethylene(HDPE) determines it exists performance deficiency at relatively high temperatures, as inter-molecular binding force declines, easily deformation occurs, shows as creep increase, rigidity and mechanical properties decrease; High density polyethylene(HDPE) is non-polar polymer, though have good barrier to water polar solvent, the organic solvents such as p-Xylol have higher perviousness, and barrier properties for gases is also bad.Nylon is polar polymer, to the good barrier property of non-polar solvent, gas, but poor to the barrier of polar solvent, and nylon easily absorbs water, thus reduce the mechanical property of material.The high density polyethylene(HDPE) of crosslinked with silicane modification and nylon are carried out blended, although the barrier of CABLE MATERIALS can be improved, but function is comparatively single, also existing defects in wear resistance, bending resistance, ageing-resistant degree, perishable situation, intensity and resistance to property at sunshine etc.
Summary of the invention
Object of the present invention is just to provide high organosilane cross-linked poly-ethylene cable material of a kind of high temperature strength and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The organosilane cross-linked poly-ethylene cable material that a kind of high temperature strength is high, it is characterized in that, be made up of the raw material of following weight part: high density polyethylene(HDPE) 65-75, ethylene-tetrafluoroethylene copolymer 20-30, nylon 6T 15-18, anti copper agent 0.1-0.2, morpholine 5-8, ethylene bis stearic acid amide 3.4-4.6, dimethyl phthalate 3.6-5.8, vinyl three ('beta '-methoxy oxyethyl group) silane 12-16, salt 1-2, magnesium stannate 2-3, carbon fiber 3-5, kaolin 12-14, epoxy resin latex 33-42, water are appropriate.
The preparation method of the organosilane cross-linked poly-ethylene cable material that described a kind of high temperature strength is high, is characterized in that comprising the following steps:
(1) kaolin is calcined 2-3 hour in 630-780 DEG C, cooling adds magnesium stannate, morpholine grinding 30-40 minute, dries obtained modified kaolin;
(2) nylon 6T is dropped into high mixer after 80 DEG C of dry 24h in vacuum drying oven together with modified kaolin, anti copper agent, ethylene bis stearic acid amide to stir, join mixing granulator in forcing machine;
(3) carbon fiber is dropped in epoxy resin latex soak 5-8 hour, dry and pulverized 100-200 mesh sieve, add vinyl three ('beta '-methoxy oxyethyl group) silane, dimethyl phthalate dispersion grinding 30-50 minute, obtain silane recombiner;
(4) high density polyethylene(HDPE), ethylene-tetrafluoroethylene copolymer are dropped into high mixer, add silane recombiner, stir, add step (2) material and other remaining component mixing and stirring, putting into single screw extrusion machine extrudes in flakes, test piece is put into the crosslinked 6-8 hour of 80 DEG C of water-baths, discharging.
The present invention has following beneficial effect: the present invention adds intensity and the erosion resistance that carbon fiber improves CABLE MATERIALS, also add that the obtained CABLE MATERIALS of other effective auxiliary agents has that barrier property is excellent, high temperature resistant simultaneously, excellent electrical property, the fire-retardant feature such as good, may be used for electric wire or low-voltage cable goods.
Embodiment
The organosilane cross-linked poly-ethylene cable material that described a kind of high temperature strength is high, it is characterized in that, be made up of the raw material of following weight part: high density polyethylene(HDPE) 72, ethylene-tetrafluoroethylene copolymer 28, nylon 6T 17, anti copper agent 0.2, morpholine 6, ethylene bis stearic acid amide 3.6, dimethyl phthalate 3.9, vinyl three ('beta '-methoxy oxyethyl group) silane 15, salt 1, magnesium stannate 3, carbon fiber 4, kaolin 13, epoxy resin latex 38, water are appropriate.
Making method comprises the following steps:
(1) kaolin is calcined 2-3 hour in 630-780 DEG C, cooling adds magnesium stannate, morpholine grinding 30-40 minute, dries obtained modified kaolin;
(2) nylon 6T is dropped into high mixer after 80 DEG C of dry 24h in vacuum drying oven together with modified kaolin, anti copper agent, ethylene bis stearic acid amide to stir, join mixing granulator in forcing machine;
(3) carbon fiber is dropped in epoxy resin latex soak 5-8 hour, dry and pulverized 100-200 mesh sieve, add vinyl three ('beta '-methoxy oxyethyl group) silane, dimethyl phthalate dispersion grinding 30-50 minute, obtain silane recombiner;
(4) high density polyethylene(HDPE), ethylene-tetrafluoroethylene copolymer are dropped into high mixer, add silane recombiner, stir, add step (2) material and other remaining component mixing and stirring, putting into single screw extrusion machine extrudes in flakes, test piece is put into the crosslinked 6-8 hour of 80 DEG C of water-baths, discharging.
The technical parameter index of the organosilane cross-linked poly-ethylene cable material using the present invention to produce is as follows:
(1) oil absorbency of 6h is cross-linked by the standard test of HG2-146-65: 10.33%;
(2) tensile strength of crosslinked 6h is measured by GB/T 1040-1992: 21.48MPa;
(3) oxygen index: 32%.

Claims (2)

1. the organosilane cross-linked poly-ethylene cable material that a high temperature strength is high, it is characterized in that, be made up of the raw material of following weight part: high density polyethylene(HDPE) 65-75, ethylene-tetrafluoroethylene copolymer 20-30, nylon 6T 15-18, anti copper agent 0.1-0.2, morpholine 5-8, ethylene bis stearic acid amide 3.4-4.6, dimethyl phthalate 3.6-5.8, vinyl three ('beta '-methoxy oxyethyl group) silane 12-16, salt 1-2, magnesium stannate 2-3, carbon fiber 3-5, kaolin 12-14, epoxy resin latex 33-42, water are appropriate.
2. the making method of the organosilane cross-linked poly-ethylene cable material that a kind of high temperature strength according to claim 1 is high, is characterized in that comprising the following steps:
(1) kaolin is calcined 2-3 hour in 630-780 DEG C, cooling adds magnesium stannate, morpholine grinding 30-40 minute, dries obtained modified kaolin;
(2) nylon 6T is dropped into high mixer after 80 DEG C of dry 24h in vacuum drying oven together with modified kaolin, anti copper agent, ethylene bis stearic acid amide to stir, join mixing granulator in forcing machine;
(3) carbon fiber is dropped in epoxy resin latex soak 5-8 hour, dry and pulverized 100-200 mesh sieve, add vinyl three ('beta '-methoxy oxyethyl group) silane, dimethyl phthalate dispersion grinding 30-50 minute, obtain silane recombiner;
(4) high density polyethylene(HDPE), ethylene-tetrafluoroethylene copolymer are dropped into high mixer, add silane recombiner, stir, add step (2) material and other remaining component mixing and stirring, putting into single screw extrusion machine extrudes in flakes, test piece is put into the crosslinked 6-8 hour of 80 DEG C of water-baths, discharging.
CN201510189904.8A 2015-04-21 2015-04-21 High-temperature-resistant high-strength silane crosslinked polyethylene cable material and preparation method therefor Pending CN104829909A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683798A (en) * 2017-01-12 2017-05-17 芜湖航天特种电缆厂股份有限公司 Kaolin modification-based nylon cable protection sleeve and fabrication method thereof
CN107090116A (en) * 2017-06-16 2017-08-25 安徽滁州德威新材料有限公司 High organosilane cross-linked poly-ethylene cable material of a kind of high temperature strength and preparation method thereof
CN110358292A (en) * 2019-07-18 2019-10-22 德力西电气有限公司 A kind of nylon material and preparation method thereof that can prevent surface copper particle from going mouldy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103059374A (en) * 2012-12-07 2013-04-24 江苏德威新材料股份有限公司 High-temperature-resistant silane-crosslinked flame-retardation insulating material for automobile wires and preparation method thereof
CN103881213A (en) * 2014-03-26 2014-06-25 马鞍山市佳源环保科技有限公司 Modified polyethylene cable material and preparation method thereof
CN103937071A (en) * 2014-03-26 2014-07-23 马鞍山市佳源环保科技有限公司 Polyethylene cable insulation material and preparation method thereof
CN103965537A (en) * 2014-05-07 2014-08-06 扬州市丰泽特种电缆材料有限公司 Method for producing self-crosslinking composite polyethylene cable material
CN104151710A (en) * 2014-08-21 2014-11-19 青岛骏泽盛泰智能科技有限公司 PP/PA6/PE composite material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103059374A (en) * 2012-12-07 2013-04-24 江苏德威新材料股份有限公司 High-temperature-resistant silane-crosslinked flame-retardation insulating material for automobile wires and preparation method thereof
CN103881213A (en) * 2014-03-26 2014-06-25 马鞍山市佳源环保科技有限公司 Modified polyethylene cable material and preparation method thereof
CN103937071A (en) * 2014-03-26 2014-07-23 马鞍山市佳源环保科技有限公司 Polyethylene cable insulation material and preparation method thereof
CN103965537A (en) * 2014-05-07 2014-08-06 扬州市丰泽特种电缆材料有限公司 Method for producing self-crosslinking composite polyethylene cable material
CN104151710A (en) * 2014-08-21 2014-11-19 青岛骏泽盛泰智能科技有限公司 PP/PA6/PE composite material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683798A (en) * 2017-01-12 2017-05-17 芜湖航天特种电缆厂股份有限公司 Kaolin modification-based nylon cable protection sleeve and fabrication method thereof
CN107090116A (en) * 2017-06-16 2017-08-25 安徽滁州德威新材料有限公司 High organosilane cross-linked poly-ethylene cable material of a kind of high temperature strength and preparation method thereof
CN110358292A (en) * 2019-07-18 2019-10-22 德力西电气有限公司 A kind of nylon material and preparation method thereof that can prevent surface copper particle from going mouldy

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Application publication date: 20150812

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