CN109054197A - A kind of automobile cable harness protection sleeve - Google Patents

A kind of automobile cable harness protection sleeve Download PDF

Info

Publication number
CN109054197A
CN109054197A CN201810794044.4A CN201810794044A CN109054197A CN 109054197 A CN109054197 A CN 109054197A CN 201810794044 A CN201810794044 A CN 201810794044A CN 109054197 A CN109054197 A CN 109054197A
Authority
CN
China
Prior art keywords
parts
cable harness
harness protection
protection sleeve
ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810794044.4A
Other languages
Chinese (zh)
Inventor
关睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PKC Vehicle Technology Hefei Co Ltd
Original Assignee
PKC Vehicle Technology Hefei Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PKC Vehicle Technology Hefei Co Ltd filed Critical PKC Vehicle Technology Hefei Co Ltd
Priority to CN201810794044.4A priority Critical patent/CN109054197A/en
Publication of CN109054197A publication Critical patent/CN109054197A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08L23/16Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • H01B3/28Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • C08K2003/382Boron-containing compounds and nitrogen
    • C08K2003/385Binary compounds of nitrogen with boron
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of automobile cable harness protection sleeves; it is to be composed of the following parts by weight: 112-120 parts of ethylene propylene diene rubber, 25-32 parts of isoprene rubber, 25-32 parts of acrylonitritrile-styrene resin, 5-7 parts of thiophene, N; 12-19 parts of N'- (4,4'- methylenediphenyl) bismaleimide, 5-9 parts of polyamide, 4-8 parts of polycarbonate, 8-16 parts of o-phthalic acid dibutyl ester, 9-16 parts of ethoxylated dodecyl alcohol, 10-15 parts of barium stearate, 4-8 parts of flexibility auxiliary agent, 7-11 parts of antiwear assistant.Cable harness protection sleeve material mechanical performance of the invention is preferable, and elongation at break reaches as high as 87.6%, and tensile strength has preferable elasticity and toughness up to 18.4MPa, while its volume resistivity is greatly enhanced, and has good insulating properties.

Description

A kind of automobile cable harness protection sleeve
Technical field
The present invention relates to harness technical fields, and in particular to a kind of automobile cable harness protection sleeve.
Background technique
With China's rapid development of economy, automotive wire bundle application environment is also more and more various, more and more harsh, Hen Duodou The features such as needing to meet high-low temperature resistant, fire-retardant and oil resistant.Currently, most of research all concentrates on harness sheet, and for it Protect the research of cover material then relatively fewer.Protection cover material is directly contacted with environment, does not need only to have good insulating properties Can, also there are good mechanical property and some special performances, for protecting cable material, extend the service life tool of strand material There is important role.The protection cover material being most widely used at present is poly- Z alkene and polyvinyl chloride, and polyethylene has good resistance to Low temperature properties and relatively mild mechanical property, and gather qi together Z alkene then has good anti-flammability and the advantages such as cheap, but the two Also respectively there is its disadvantage.Therefore, insulation performance high, good mechanical properties and resistant of high or low temperature are prepared by the compound of raw material For improving service life of harness, the safety of protection wire has great importance wire harness protection cover material.
Summary of the invention
The present invention is intended to provide a kind of automobile cable harness protection sleeve.
The invention provides the following technical scheme:
A kind of automobile cable harness protection sleeve is to be composed of the following parts by weight: ethylene propylene diene rubber 112-120 Part, 25-32 parts of isoprene rubber, 25-32 parts of acrylonitritrile-styrene resin, 5-7 parts of thiophene, N, N'- (4,4'- methylene hexichol Base) 12-19 parts of bismaleimide, 5-9 parts of polyamide, 4-8 parts of polycarbonate, 8-16 parts of o-phthalic acid dibutyl ester, laurel 9-16 parts of alcohol polyoxyethylene ether, 10-15 parts of barium stearate, 4-8 parts of flexibility auxiliary agent, 7-11 parts of antiwear assistant.
The flexibility auxiliary agent is made by following methods: by 0.8-1.1 parts of fluorographite, disodium ethylene diamine tetraacetate 0.3- 0.5 part, 52-60 parts of deionized water mixings, obtain pre-composition;By 25-29 parts of paraffin, peroxidized t-butyl perbenzoate 1.6-2 Part, 3-5 parts of polyethylene glycol cetyl ether mixing, are heated to 92-96C, stir and maintain 6-7min;Then it is warming up to 122- 128 DEG C, atlapulgite 20-23 parts, 1.4-1.5 parts of cobalt naphthenate, 0.6-0.8 parts of boron nitride, silicon tetrachloride 0.2-0.3 is added Part, 1-1.3 parts of cellulose nitrate rope, stir and maintain 11-12min;It is cooled to 66-69 DEG C, dodecanamide propyl amine oxide is added 2.4-2.8 parts, diphosphorous acid pentaerythrite -0.8-0.9 parts of stearate, stir and maintain 18-22min;After being cooled to room temperature Pre-composition is added, after stirring 32-36min, drying, grinding obtain flexibility auxiliary agent.
The antiwear assistant is by vinyl chloride ethylene, flyash, sodium bicarbonate, foam glass, borax, potassium peroxydisulfate, mountain Pears acid alcohol, fatty acid glyceride, water carry out haptoreaction, and then dry, ball milling is to be made antiwear assistant.
The ball milling meets the following conditions: the mass ratio of big ball and bead is 2:0.8-1.2, the mass ratio of abrading-ball and material For 20:0.8-1.2, revolving speed 600-1200rpm, Ball-milling Time 25-35min.
Compared with prior art, the beneficial effects of the present invention are: cable harness protection sleeve material mechanical performance of the invention is preferable, Its elongation at break reaches as high as 87.6%, and tensile strength has preferable elasticity and toughness, while its body up to 18.4MPa Product resistivity is greatly enhanced, and has good insulating properties.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.
A kind of automobile cable harness protection sleeve of embodiment 1, is to be composed of the following parts by weight: ethylene propylene diene rubber 112 parts, 25 parts of isoprene rubber, 25 parts of acrylonitritrile-styrene resin, 5 parts of thiophene, N, N'- (4,4'- methylenediphenyl) are double 12 parts of maleimide, 5 parts of polyamide, 4 parts of polycarbonate, 8 parts of o-phthalic acid dibutyl ester, 9 parts of ethoxylated dodecyl alcohol, 10 parts of barium stearate, 4 parts of flexibility auxiliary agent, 7 parts of antiwear assistant.
The flexibility auxiliary agent is made by following methods: by 0.8-1.1 parts of fluorographite, disodium ethylene diamine tetraacetate 0.3- 0.5 part, 52-60 parts of deionized water mixings, obtain pre-composition;By 25-29 parts of paraffin, peroxidized t-butyl perbenzoate 1.6-2 Part, 3-5 parts of polyethylene glycol cetyl ether mixing, are heated to 92-96C, stir and maintain 6-7min;Then it is warming up to 122- 128 DEG C, atlapulgite 20-23 parts, 1.4-1.5 parts of cobalt naphthenate, 0.6-0.8 parts of boron nitride, silicon tetrachloride 0.2-0.3 is added Part, 1-1.3 parts of cellulose nitrate rope, stir and maintain 11-12min;It is cooled to 66-69 DEG C, dodecanamide propyl amine oxide is added 2.4-2.8 parts, diphosphorous acid pentaerythrite -0.8-0.9 parts of stearate, stir and maintain 18-22min;After being cooled to room temperature Pre-composition is added, after stirring 32-36min, drying, grinding obtain flexibility auxiliary agent.
The antiwear assistant is by vinyl chloride ethylene, flyash, sodium bicarbonate, foam glass, borax, potassium peroxydisulfate, mountain Pears acid alcohol, fatty acid glyceride, water carry out haptoreaction, and then dry, ball milling is to be made antiwear assistant.
The ball milling meets the following conditions: the mass ratio of big ball and bead is 2:0.8-1.2, the mass ratio of abrading-ball and material For 20:0.8-1.2, revolving speed 600-1200rpm, Ball-milling Time 25-35min.
A kind of automobile cable harness protection sleeve of embodiment 2, is to be composed of the following parts by weight: ethylene propylene diene rubber 120 parts, 32 parts of isoprene rubber, 32 parts of acrylonitritrile-styrene resin, 7 parts of thiophene, N, N'- (4,4'- methylenediphenyl) are double 19 parts of maleimide, 9 parts of polyamide, 8 parts of polycarbonate, 16 parts of o-phthalic acid dibutyl ester, ethoxylated dodecyl alcohol 16 Part, 15 parts of barium stearate, 8 parts of flexibility auxiliary agent, 11 parts of antiwear assistant.
The flexibility auxiliary agent is made by following methods: by 0.8-1.1 parts of fluorographite, disodium ethylene diamine tetraacetate 0.3- 0.5 part, 52-60 parts of deionized water mixings, obtain pre-composition;By 25-29 parts of paraffin, peroxidized t-butyl perbenzoate 1.6-2 Part, 3-5 parts of polyethylene glycol cetyl ether mixing, are heated to 92-96C, stir and maintain 6-7min;Then it is warming up to 122- 128 DEG C, atlapulgite 20-23 parts, 1.4-1.5 parts of cobalt naphthenate, 0.6-0.8 parts of boron nitride, silicon tetrachloride 0.2-0.3 is added Part, 1-1.3 parts of cellulose nitrate rope, stir and maintain 11-12min;It is cooled to 66-69 DEG C, dodecanamide propyl amine oxide is added 2.4-2.8 parts, diphosphorous acid pentaerythrite -0.8-0.9 parts of stearate, stir and maintain 18-22min;After being cooled to room temperature Pre-composition is added, after stirring 32-36min, drying, grinding obtain flexibility auxiliary agent.
The antiwear assistant is by vinyl chloride ethylene, flyash, sodium bicarbonate, foam glass, borax, potassium peroxydisulfate, mountain Pears acid alcohol, fatty acid glyceride, water carry out haptoreaction, and then dry, ball milling is to be made antiwear assistant.
The ball milling meets the following conditions: the mass ratio of big ball and bead is 2:0.8-1.2, the mass ratio of abrading-ball and material For 20:0.8-1.2, revolving speed 600-1200rpm, Ball-milling Time 25-35min.
A kind of automobile cable harness protection sleeve of embodiment 3, is to be composed of the following parts by weight: ethylene propylene diene rubber 118 parts, 27 parts of isoprene rubber, 30 parts of acrylonitritrile-styrene resin, 6 parts of thiophene, N, N'- (4,4'- methylenediphenyl) are double 15 parts of maleimide, 7 parts of polyamide, 6 parts of polycarbonate, 12 parts of o-phthalic acid dibutyl ester, ethoxylated dodecyl alcohol 14 Part, 13 parts of barium stearate, 6 parts of flexibility auxiliary agent, 9 parts of antiwear assistant.
The flexibility auxiliary agent is made by following methods: by 0.8-1.1 parts of fluorographite, disodium ethylene diamine tetraacetate 0.3- 0.5 part, 52-60 parts of deionized water mixings, obtain pre-composition;By 25-29 parts of paraffin, peroxidized t-butyl perbenzoate 1.6-2 Part, 3-5 parts of polyethylene glycol cetyl ether mixing, are heated to 92-96C, stir and maintain 6-7min;Then it is warming up to 122- 128 DEG C, atlapulgite 20-23 parts, 1.4-1.5 parts of cobalt naphthenate, 0.6-0.8 parts of boron nitride, silicon tetrachloride 0.2-0.3 is added Part, 1-1.3 parts of cellulose nitrate rope, stir and maintain 11-12min;It is cooled to 66-69 DEG C, dodecanamide propyl amine oxide is added 2.4-2.8 parts, diphosphorous acid pentaerythrite -0.8-0.9 parts of stearate, stir and maintain 18-22min;After being cooled to room temperature Pre-composition is added, after stirring 32-36min, drying, grinding obtain flexibility auxiliary agent.
The antiwear assistant is by vinyl chloride ethylene, flyash, sodium bicarbonate, foam glass, borax, potassium peroxydisulfate, mountain Pears acid alcohol, fatty acid glyceride, water carry out haptoreaction, and then dry, ball milling is to be made antiwear assistant.
The ball milling meets the following conditions: the mass ratio of big ball and bead is 2:0.8-1.2, the mass ratio of abrading-ball and material For 20:0.8-1.2, revolving speed 600-1200rpm, Ball-milling Time 25-35min.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the exemplary embodiment, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit require rather than it is described illustrate to limit, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.In addition, it should be understood that although this specification is described in terms of embodiments, but it is not each Embodiment only contains an independent technical solution, and this description of the specification is merely for the sake of clarity, this field Technical staff should consider the specification as a whole, and the technical solutions in the various embodiments may also be suitably combined, form this The other embodiments that field technical staff is understood that.

Claims (4)

1. a kind of automobile cable harness protection sleeve, which is characterized in that it is to be composed of the following parts by weight: ethylene propylene diene rubber 112-120 parts, 25-32 parts of isoprene rubber, 25-32 parts of acrylonitritrile-styrene resin, 5-7 parts of thiophene, N, (4,4'- is sub- by N'- Methyldiphenyl base) 12-19 parts of bismaleimide, 5-9 parts of polyamide, 4-8 parts of polycarbonate, o-phthalic acid dibutyl ester 8-16 Part, 9-16 parts of ethoxylated dodecyl alcohol, 10-15 parts of barium stearate, 4-8 parts of flexibility auxiliary agent, 7-11 parts of antiwear assistant.
2. a kind of automobile cable harness protection sleeve according to claim 1, it is characterised in that: the flexibility auxiliary agent is by with lower section Method is made: 0.8-1.1 parts of fluorographite, 0.3-0.5 parts of disodium ethylene diamine tetraacetate, 52-60 parts of deionized water is mixed, Obtain pre-composition;25-29 parts of paraffin, 1.6-2 parts of peroxidized t-butyl perbenzoate, 3-5 parts of polyethylene glycol cetyl ether are mixed, It is heated to 92-96C, stirs and maintains 6-7min;Then it is warming up to 122-128 DEG C, atlapulgite 20-23 parts, aphthenic acids is added 1.4-1.5 parts of cobalt, 0.6-0.8 parts of boron nitride, 0.2-0.3 parts of silicon tetrachloride, 1-1.3 parts of cellulose nitrate rope, stir and maintain 11- 12min;It is cooled to 66-69 DEG C, 2.4-2.8 parts of dodecanamide propyl amine oxide, diphosphorous acid pentaerythrite-stearate is added 0.8-0.9 parts, stir and maintain 18-22min;Pre-composition is added after being cooled to room temperature, after stirring 32-36min, drying, grinding, Obtain flexibility auxiliary agent.
3. a kind of automobile cable harness protection sleeve according to claim 1, it is characterised in that: the antiwear assistant is by vinyl chloride Ethylene, flyash, sodium bicarbonate, foam glass, borax, potassium peroxydisulfate, sorbitol, fatty acid glyceride, water are contacted Reaction, then dry, ball milling is to be made antiwear assistant.
4. a kind of automobile cable harness protection sleeve according to claim 3, it is characterised in that: the ball milling meets the following conditions: The mass ratio of big ball and bead is 2:0.8-1.2, and the mass ratio of abrading-ball and material is 20:0.8-1.2, revolving speed 600- 1200rpm, Ball-milling Time 25-35min.
CN201810794044.4A 2018-07-19 2018-07-19 A kind of automobile cable harness protection sleeve Pending CN109054197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810794044.4A CN109054197A (en) 2018-07-19 2018-07-19 A kind of automobile cable harness protection sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810794044.4A CN109054197A (en) 2018-07-19 2018-07-19 A kind of automobile cable harness protection sleeve

Publications (1)

Publication Number Publication Date
CN109054197A true CN109054197A (en) 2018-12-21

Family

ID=64817319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810794044.4A Pending CN109054197A (en) 2018-07-19 2018-07-19 A kind of automobile cable harness protection sleeve

Country Status (1)

Country Link
CN (1) CN109054197A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110256740A (en) * 2019-07-12 2019-09-20 安徽电缆股份有限公司 A kind of potent wear-resistant cable sheath and preparation method thereof
CN114181468A (en) * 2021-12-18 2022-03-15 江苏华凯比克希线束有限公司 Heat-resistant and cold-resistant automobile wire harness formula and preparation process thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154715A (en) * 1974-10-18 1979-05-15 Monsanto Company Polymeric polyblend compositions toughened by addition of liquid polymers of a conjugated diene monomer
CN106893207A (en) * 2017-03-21 2017-06-27 宁国市睿普新锐橡塑科技有限公司 A kind of production material of automobile cable harness protection sleeve, production method and protective case
CN107746569A (en) * 2017-10-24 2018-03-02 芜湖航天特种电缆厂股份有限公司 Pressure-resistant submarine cable and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154715A (en) * 1974-10-18 1979-05-15 Monsanto Company Polymeric polyblend compositions toughened by addition of liquid polymers of a conjugated diene monomer
CN106893207A (en) * 2017-03-21 2017-06-27 宁国市睿普新锐橡塑科技有限公司 A kind of production material of automobile cable harness protection sleeve, production method and protective case
CN107746569A (en) * 2017-10-24 2018-03-02 芜湖航天特种电缆厂股份有限公司 Pressure-resistant submarine cable and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110256740A (en) * 2019-07-12 2019-09-20 安徽电缆股份有限公司 A kind of potent wear-resistant cable sheath and preparation method thereof
CN114181468A (en) * 2021-12-18 2022-03-15 江苏华凯比克希线束有限公司 Heat-resistant and cold-resistant automobile wire harness formula and preparation process thereof

Similar Documents

Publication Publication Date Title
CN103275385B (en) Nuclear power Halogen-free low-smoke flame-retardant cable sheath material and preparation method thereof
CN105754155B (en) A kind of ageing-resistant high fire-retardance native rubber composite material
CN103012891B (en) Valve sealing gasket sizing material and preparation method thereof
CN101864101B (en) High-flame-retardance high-tear-resistance mining cable sheath rubber formula
CN104961929A (en) Low-smoke flame-retardant rubber cable material and preparation method thereof
CN109054197A (en) A kind of automobile cable harness protection sleeve
CN107216575A (en) A kind of wire cable material and preparation method thereof
CN102746609B (en) A kind of eco-type flame retardant compound and preparation method thereof
CN103387726A (en) Top-cover sealing ring for filter cleaner
CN106397942A (en) Special basalt fiber for enhancing polyethylene resin material and preparation method of special basalt fiber
CN102746585B (en) A kind of polypropylene insulation CABLE MATERIALS and preparation method thereof
CN108841162A (en) A kind of fire-retardant corrosion resistant polyurethane cable sheath material peculiar to vessel
CN105825944A (en) Anti-aging flame-retardant power cable
CN103374156B (en) A kind of high-strength cable protective cover material and preparation method thereof
CN103214774B (en) A kind of PVC insulated power cable material and preparation method thereof
CN102746564B (en) Corrosion resistant CABLE MATERIALS of a kind of modified, high temperature resistant and preparation method thereof
CN111154204A (en) Weather-resistant wire and cable material and production process thereof
CN106750675A (en) A kind of anti-aging cable material of waterproof and oilproof heatproof and preparation method thereof
CN102746636A (en) Polyethylene insulation power cable material for coal and method for preparing the same
CN107286519A (en) A kind of fire-retardant, ageing-resistant wire cable material and preparation method thereof
CN102965033A (en) Nano-mica powder modified compound adhesive for packaging
CN105367933A (en) Cable for power distribution system
CN105348617B (en) A kind of low smoke and zero halogen mesohigh direct current cables cable material of polyolefin and preparation method
CN106750642A (en) A kind of heat-resisting anti-aging cable material and preparation method thereof
CN105778168A (en) Special high-abrasion-resistance cable for coal mines

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181221