CN108586892A - cable insulation material and preparation method thereof - Google Patents

cable insulation material and preparation method thereof Download PDF

Info

Publication number
CN108586892A
CN108586892A CN201810499285.6A CN201810499285A CN108586892A CN 108586892 A CN108586892 A CN 108586892A CN 201810499285 A CN201810499285 A CN 201810499285A CN 108586892 A CN108586892 A CN 108586892A
Authority
CN
China
Prior art keywords
dosage
weight
parts
preparation
antioxidant
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
CN201810499285.6A
Other languages
Chinese (zh)
Inventor
付利梅
代少侠
李遥
王永庆
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.)
Wuhu Spaceflight Special Cable Factory Co Ltd
Original Assignee
Wuhu Spaceflight Special Cable Factory 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 Wuhu Spaceflight Special Cable Factory Co Ltd filed Critical Wuhu Spaceflight Special Cable Factory Co Ltd
Priority to CN201810499285.6A priority Critical patent/CN108586892A/en
Publication of CN108586892A publication Critical patent/CN108586892A/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
    • C08L23/04Homopolymers 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
    • H01B3/443Insulators 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 vinylhalogenides or other halogenoethylenic compounds
    • 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

Abstract

The invention discloses a kind of cable insulation material and preparation method thereof, the preparation method includes:After boric acid ester coupler is pressurizeed, activation modification is carried out on bentonite surface using aeroponics, obtains modified alta-mud;Polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, Corvic, butadiene-styrene rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler are mixed, after stirring, the cable insulation material is obtained through melting, injection molding;The insulating materials for solving common cable is easy to happen aging after long-play, the problem of reducing the service life of cable.

Description

Cable insulation material and preparation method thereof
Technical field
The present invention relates to cable preparation fields, and in particular, to a kind of cable insulation material and preparation method thereof.
Background technology
Volume resistivity is more than on electrotechnics for high molecular material currently, the insulating layer of cable is most commonly used 109The material that the substance of Ω cm is constituted is known as insulating materials, that is, for making device that can electrically prevent electric current By material.Crosslinked polyethylene has excellent dielectric properties and mechanical performance, oneself is widely used in high pressure and super-pressure In plastic insulating power cable.With the development of super-pressure, extra-high voltage direct-current power transmission and transformation system, the insulation ag(e)ing in operational process Problem is increasingly severe, oneself becomes the major obstacle that insulated cable develops to super-pressure.When the applied electric field of insulating polymer is strong When degree reaches 1/10th of breakdown field strength, poplar bundles can be caused in the Electric Power Equipment Insulation to work long hours, reduce electricity Cable service life.
Therefore it provides a kind of higher, the non-aging cable insulation material and preparation method thereof of mechanical strength is the present invention There is an urgent need for problems to be solved.
Invention content
The object of the present invention is to provide a kind of cable insulation materials and preparation method thereof, solve the insulation material of common cable The problem of material is easy to happen aging after long-play, reduces the service life of cable.
To achieve the goals above, the present invention provides a kind of preparation method of cable insulation material, the preparation methods Including:
(1) after boric acid ester coupler pressurizeing, activation modification is carried out on bentonite surface using aeroponics, is obtained modified swollen Profit soil;
(2) by polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, polyvinyl chloride tree Fat, butadiene-styrene rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler mixing, after stirring, obtain through melting, injection molding The cable insulation material;
Wherein, the dosage of the bentonite relative to 100 parts by weight, boric acid ester coupler is 10-15 parts by weight;
Relative to the polyethylene of 100 parts by weight, the dosage of modified alta-mud is 5-15 parts by weight, and the dosage of phenolic resin is The dosage of 10-20 parts by weight, epoxy resin is 5-15 parts by weight, and the dosage of ethyl acetate is 1-10 parts by weight, glass fibre Dosage is 1-5 parts by weight, and the dosage of Corvic is 1-4 parts by weight, and the dosage of butadiene-styrene rubber is 10-20 parts by weight, is had The dosage of machine silicon fire retardant is 1-4 parts by weight, and the dosage of plasticizer is 1-3 parts by weight, and the dosage of antioxidant is 2-6 parts by weight, The dosage 5-10 parts by weight of filler.
The present invention provides a kind of cable insulation material, the cable insulation material is made by above-mentioned preparation method.
Through the above technical solutions, the present invention provides a kind of preparation method of cable insulation material, the preparation method Including:After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud;It will Polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, Corvic, butadiene-styrene rubber, After stirring, the cable insulation is obtained through melting, injection molding for organic silicon fibre retardant, plasticizer, antioxidant and filler mixing Material;Pass through the synergistic effect between each raw material so that cable insulation material obtained has excellent mechanical performance and anti-ageing Change ability, and preparation method provided by the invention is simple for process, raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of preparation method of cable insulation material, the preparation method includes:
(1) after boric acid ester coupler pressurizeing, activation modification is carried out on bentonite surface using aeroponics, is obtained modified swollen Profit soil;
(2) by polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, polyvinyl chloride tree Fat, butadiene-styrene rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler mixing, after stirring, obtain through melting, injection molding The cable insulation material;
Wherein, the dosage of the bentonite relative to 100 parts by weight, boric acid ester coupler is 10-15 parts by weight;
Relative to the polyethylene of 100 parts by weight, the dosage of modified alta-mud is 5-15 parts by weight, and the dosage of phenolic resin is The dosage of 10-20 parts by weight, epoxy resin is 5-15 parts by weight, and the dosage of ethyl acetate is 1-10 parts by weight, glass fibre Dosage is 1-5 parts by weight, and the dosage of Corvic is 1-4 parts by weight, and the dosage of butadiene-styrene rubber is 10-20 parts by weight, is had The dosage of machine silicon fire retardant is 1-4 parts by weight, and the dosage of plasticizer is 1-3 parts by weight, and the dosage of antioxidant is 2-6 parts by weight, The dosage 5-10 parts by weight of filler.
Preferably, the dosage of the polyethylene relative to 100 parts by weight, modified alta-mud is 8-12 parts by weight, phenolic resin Dosage be 14-16 parts by weight, the dosage of epoxy resin is 8-12 parts by weight, and the dosage of ethyl acetate is 3-7 parts by weight, glass The dosage of fiber is 2-4 parts by weight, and the dosage of Corvic is 2-3 parts by weight, and the dosage of butadiene-styrene rubber is 14-16 weight Part, the dosage of organic silicon fibre retardant is 2-3 parts by weight, and the dosage of plasticizer is 1.5-2.5 parts by weight, and the dosage of antioxidant is 3- 5 parts by weight, the dosage 7-8 parts by weight of filler.
Preferably, plasticizer is selected from phthalate compound, terephthalic acid ester compound and trimellitic acid It is one or more in ester type compound.
Preferably, antioxidant is one or more in antioxidant 1010, antioxidant 1076 and antioxidant CA.
Preferably, filler is one or more in calcium carbonate, clay, silicate and talcum powder.
Preferably, the condition of melting includes:Temperature is 220-310 DEG C, time 1-2h.
Preferably, the condition of injection molding includes:The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is 200-210 DEG C, the temperature of fusion plastification section is 240-250 DEG C, and the temperature for mixing homogenizing zone is 210-220 DEG C, melt conveying meter The temperature for measuring section is 180-200 DEG C.
The present invention also provides a kind of cable insulation material, the cable insulation material is made by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.To cable insulation material obtained in following embodiment Be detected, the tensile strength of following cable insulation material, the detection of elongation at break according to this field common detection method It carries out, the testing conditions of anti-aging property are:Cable insulation material carried out hot air aging by 200 DEG C × 30 days.
Embodiment 1
After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud; By polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, Corvic, butylbenzene rubber Glue, organic silicon fibre retardant, phthalate compound, antioxidant 1010 and calcium carbonate mixing, after stirring, through melting (temperature Degree be 220 DEG C, time 1h), injection molding obtain the cable insulation material;The condition of injection molding includes:Screw rod turns Speed is 200 revs/min, and the temperature of feeding section is 200 DEG C, and the temperature of fusion plastification section is 240 DEG C, and the temperature for mixing homogenizing zone is 210 DEG C, the temperature of melt conveying metering section is 180 DEG C.Wherein, relative to the bentonite of 100g, the dosage of boric acid ester coupler For 10g;Relative to the polyethylene of 100g, the dosage of modified alta-mud is 5g, and the dosage of phenolic resin is 10g, epoxy resin Dosage is 5g, and the dosage of ethyl acetate is 1g, and the dosage of glass fibre is 1g, and the dosage of Corvic is 1g, butylbenzene rubber The dosage of glue is 10g, and the dosage of organic silicon fibre retardant is 1g, and the dosage of plasticizer is 1g, and the dosage of antioxidant is 2g, filler Dosage 5g.Its stretching strength retentivity is 98.3% after 200 DEG C, 30 days, rupture strength retention 91.4%.
Embodiment 2
After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud; By polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, Corvic, butylbenzene rubber Glue, organic silicon fibre retardant, terephthalic acid ester compound, antioxidant 1076 and clay mixing, after stirring, through melting (temperature Be 310 DEG C, time 2h), injection molding obtain the cable insulation material;The condition of injection molding includes:The rotating speed of screw rod It it is 300 revs/min, the temperature of feeding section is 210 DEG C, and the temperature of fusion plastification section is 250 DEG C, and the temperature for mixing homogenizing zone is 220 DEG C, the temperature of melt conveying metering section is 200 DEG C.Wherein, relative to the bentonite of 100g, the dosage of boric acid ester coupler For 15g;Relative to the polyethylene of 100g, the dosage of modified alta-mud is 15g, and the dosage of phenolic resin is 20g, epoxy resin Dosage is 15g, and the dosage of ethyl acetate is 10g, and the dosage of glass fibre is 5g, and the dosage of Corvic is 4g, butylbenzene The dosage of rubber is 20g, and the dosage of organic silicon fibre retardant is 4g, and the dosage of plasticizer is 3g, and the dosage of antioxidant is 6g, filling The dosage 10g of agent.Its stretching strength retentivity is 98.8% after 200 DEG C, 30 days, rupture strength retention 92.1%.
Embodiment 3
After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud; By polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, Corvic, butylbenzene rubber Glue, organic silicon fibre retardant, trimellitic acid esters compound, antioxidant CA and talcum powder mixing, after stirring, through melting, (temperature is 280 DEG C, time 1.5h), injection molding obtain the cable insulation material;The condition of injection molding includes:The rotating speed of screw rod It it is 250 revs/min, the temperature of feeding section is 205 DEG C, and the temperature of fusion plastification section is 245 DEG C, and the temperature for mixing homogenizing zone is 215 DEG C, the temperature of melt conveying metering section is 190 DEG C.Wherein, relative to the bentonite of 100g, the dosage of boric acid ester coupler For 12g;Relative to the polyethylene of 100g, the dosage of modified alta-mud is 10g, and the dosage of phenolic resin is 15g, epoxy resin Dosage is 10g, and the dosage of ethyl acetate is 5g, and the dosage of glass fibre is 3g, and the dosage of Corvic is 2g, butylbenzene rubber The dosage of glue is 15g, and the dosage of organic silicon fibre retardant is 2g, and the dosage of plasticizer is 2g, and the dosage of antioxidant is 4g, filler Dosage 7g.Its stretching strength retentivity is 96.8% after 200 DEG C, 30 days, rupture strength retention 90.4%.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (8)

1. a kind of preparation method of cable insulation material, which is characterized in that the preparation method includes:
(1) after boric acid ester coupler pressurizeing, activation modification is carried out on bentonite surface using aeroponics, obtains bentone Soil;
(2) by polyethylene, modified alta-mud, phenolic resin, epoxy resin, ethyl acetate, glass fibre, Corvic, After stirring, institute is obtained through melting, injection molding for butadiene-styrene rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler mixing State cable insulation material;
Wherein, the dosage of the bentonite relative to 100 parts by weight, boric acid ester coupler is 10-15 parts by weight;
Relative to the polyethylene of 100 parts by weight, the dosage of modified alta-mud is 5-15 parts by weight, and the dosage of phenolic resin is 10- The dosage of 20 parts by weight, epoxy resin is 5-15 parts by weight, and the dosage of ethyl acetate is 1-10 parts by weight, the dosage of glass fibre Dosage for 1-5 parts by weight, Corvic is 1-4 parts by weight, and the dosage of butadiene-styrene rubber is 10-20 parts by weight, organosilicon The dosage of fire retardant is 1-4 parts by weight, and the dosage of plasticizer is 1-3 parts by weight, and the dosage of antioxidant is 2-6 parts by weight, filling The dosage 5-10 parts by weight of agent.
2. preparation method according to claim 1, wherein relative to the polyethylene of 100 parts by weight, the use of modified alta-mud Amount is 8-12 parts by weight, and the dosage of phenolic resin is 14-16 parts by weight, and the dosage of epoxy resin is 8-12 parts by weight, acetic acid second The dosage of ester is 3-7 parts by weight, and the dosage of glass fibre is 2-4 parts by weight, and the dosage of Corvic is 2-3 parts by weight, The dosage of butadiene-styrene rubber is 14-16 parts by weight, and the dosage of organic silicon fibre retardant is 2-3 parts by weight, and the dosage of plasticizer is 1.5- The dosage of 2.5 parts by weight, antioxidant is 3-5 parts by weight, the dosage 7-8 parts by weight of filler.
3. preparation method according to claim 1, wherein plasticizer is selected from phthalate compound, to benzene two It is one or more in formic ether compounds and trimellitic acid esters compound.
4. preparation method according to claim 1, wherein antioxidant is selected from antioxidant 1010, antioxidant 1076 and antioxygen It is one or more in agent CA.
5. preparation method according to claim 1, wherein filler is in calcium carbonate, clay, silicate and talcum powder It is one or more.
6. preparation method according to claim 1, wherein the condition of melting includes:Temperature is 220-310 DEG C, and the time is 1-2h。
7. preparation method according to claim 1, wherein the condition of injection molding includes:The rotating speed of screw rod is 200-300 Rev/min, the temperature of feeding section is 200-210 DEG C, and the temperature of fusion plastification section is 240-250 DEG C, mixes the temperature of homogenizing zone It it is 210-220 DEG C, the temperature of melt conveying metering section is 180-200 DEG C.
8. a kind of cable insulation material, which is characterized in that the cable insulation material is described in any one of claim 1-7 Preparation method be made.
CN201810499285.6A 2018-05-23 2018-05-23 cable insulation material and preparation method thereof Pending CN108586892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810499285.6A CN108586892A (en) 2018-05-23 2018-05-23 cable insulation material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810499285.6A CN108586892A (en) 2018-05-23 2018-05-23 cable insulation material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108586892A true CN108586892A (en) 2018-09-28

Family

ID=63632868

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810499285.6A Pending CN108586892A (en) 2018-05-23 2018-05-23 cable insulation material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108586892A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111154162A (en) * 2019-12-05 2020-05-15 西安鼎蓝通信技术有限公司 Cable insulation layer material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105504689A (en) * 2016-01-12 2016-04-20 芜湖航天特种电缆厂股份有限公司 Bentonite-modified anti-aging cable insulating material and preparation method thereof
CN107286519A (en) * 2017-08-01 2017-10-24 合肥市大卓电力有限责任公司 A kind of fire-retardant, ageing-resistant wire cable material and preparation method thereof
CN107556602A (en) * 2017-09-20 2018-01-09 无锡市永兴金属软管有限公司 A kind of compound materials of halogen free flame retardant cable sheath and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105504689A (en) * 2016-01-12 2016-04-20 芜湖航天特种电缆厂股份有限公司 Bentonite-modified anti-aging cable insulating material and preparation method thereof
CN107286519A (en) * 2017-08-01 2017-10-24 合肥市大卓电力有限责任公司 A kind of fire-retardant, ageing-resistant wire cable material and preparation method thereof
CN107556602A (en) * 2017-09-20 2018-01-09 无锡市永兴金属软管有限公司 A kind of compound materials of halogen free flame retardant cable sheath and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曾人泉: "《塑料加工助剂》", 30 September 1997, 中国物资出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111154162A (en) * 2019-12-05 2020-05-15 西安鼎蓝通信技术有限公司 Cable insulation layer material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN103102541B (en) A kind of Low-smoke flame retardant cable material for locomotive and preparation method thereof
CN102952311A (en) Preparation method of low-smoke non-halogen flame-retardant material for high-voltage cable sheath
CN103928172B (en) Fire retardant crosslinked polyethylene insulated power cable
CN108727672A (en) A kind of track cable jacket of high-wear resistance and preparation method thereof
CN108586892A (en) cable insulation material and preparation method thereof
CN110938274A (en) Silane cross-linked semiconductive shielding material and preparation method and application thereof
CN103059441A (en) Modified polyvinyl chloride wire and cable material
CN108690244A (en) cable insulation material and preparation method thereof
CN104282380A (en) Controlling cable
CN104072997A (en) Fluorine-silicon para-position aramid fiber high-insulativity material, and production method and application thereof
CN106566041A (en) Flexible and distortion-resistant special cable material for wind power generation equipment
CN105355308B (en) Power cable
CN107129627A (en) One kind is used for photovoltaic communication equipment cable insulation and preparation method thereof
CN107141527A (en) Aviation PVC/ carbon fiber composite cable sealing sheaths and preparation method thereof
CN108997643A (en) Strippable semi-conductive shielding material for insulation of cross-linked cable
CN104558923A (en) Plasticizer and PVC environment-friendly electric wire and cable sheath containing plasticizer
CN108659311A (en) Anti-aging cable insulation material and preparation method thereof
CN106554628A (en) A kind of extraordinary freeze proof silicone rubber for cable material that resists cold
CN108659310A (en) High-strength cable insulating materials and preparation method thereof
CN105907031A (en) Environment-friendly power cable insulating material
CN108727693A (en) Anti-aging cable insulation material and preparation method thereof
CN105936706A (en) High strength and flame retardant cable insulation sheath material and preparation method thereof
CN105949569A (en) Environment-friendly and aging-resistant power cable insulating material and preparation method thereof
CN104893086A (en) High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof
CN105006287B (en) It is easy to the cable materials and cable prepared therefrom of real-time detection creepage trace

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: 20180928