CN108794939A - Ageing-resistant cable insulation material and preparation method thereof - Google Patents

Ageing-resistant cable insulation material and preparation method thereof Download PDF

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Publication number
CN108794939A
CN108794939A CN201810705175.0A CN201810705175A CN108794939A CN 108794939 A CN108794939 A CN 108794939A CN 201810705175 A CN201810705175 A CN 201810705175A CN 108794939 A CN108794939 A CN 108794939A
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dosage
parts
preparation
antioxidant
bentonite
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何想想
付利梅
程奇
窦宝德
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Wuhu Spaceflight Special Cable Factory Co Ltd
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Wuhu Spaceflight Special Cable Factory Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • 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
    • H01B3/445Insulators 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 from vinylfluorides or other fluoroethylenic compounds
    • 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

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  • 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)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of ageing-resistant cable insulation material and preparation method thereof, cable insulation material obtained not only has good mechanical performance, but also has good anti-ultraviolet property, ageing-resistant, is conducive to the service life for improving insulating materials.Moreover, preparation method of the invention is simply easily prepared, and raw material is easy to get, and has higher application value.

Description

Ageing-resistant cable insulation material and preparation method thereof
Technical field
The present invention relates to cable insulation materials, and in particular, to a kind of ageing-resistant 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 increase of use time, the irradiation of daylight, it is tacky to often lead to insulating materials, and insulation is old Change problem is increasingly severe, oneself becomes the major obstacle that insulated cable develops to super-pressure.
Therefore it provides a kind of mechanical strength is higher, ultra-violet radiation resisting is strong, non-aging cable insulation material and its system Preparation Method is that there is an urgent need for problems to be solved by the present invention.
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, reduces the service life of cable after prolonged use.
To achieve the goals above, the present invention provides a kind of preparation method of ageing-resistant cable insulation material, the systems Preparation Method includes the following steps:
(1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made;
(2) after silane coupling agent pressurizeing, it is sprayed at modified alta-mud surface using aeroponics, obtains twice-modified swelling Soil;
(3) by fluorubber, ethylene propylene diene rubber, polyvinyl acetate, ethyl phosphonic acid diethylester, diethyl malonate, second Diamines, linoleic acid, organic silicon fibre retardant, plasticizer, antioxidant and twice-modified bentonite are kneaded, then extrusion molding.
The present invention also provides a kind of ageing-resistant cable insulation materials being prepared according to previously described preparation method.
Through the above technical solutions, present invention application bentonite, aluminium salt, pink salt, alkali and water carry out hydro-thermal reaction, by aluminium salt Product after being reacted with alkali with pink salt is sequestered on bentonite, improves bentonitic specific surface area, has good interface Reflecting properties can scatter ultraviolet light to all directions so that bentonite enhances the reflecting properties of ultraviolet light and visible light, carries The high ability of the shielding ultraviolet rays of material;In addition modified alta-mud is contacted by silane coupling agent again, then is added to preparation In the raw material of insulating materials, the binding performance of modified alta-mud and other raw materials is improved so that the performance of material is evenly.Again In conjunction with the above-mentioned raw material of the present invention, cable insulation material obtained not only has good mechanical performance, but also with good Anti-ultraviolet property, it is ageing-resistant, be conducive to improve insulating materials service life.Moreover, preparation method of the invention Simple easily prepared, raw material is easy to get, and has higher application value.
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 ageing-resistant cable insulation material, the preparation method includes following step Suddenly:
(1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made;
(2) after silane coupling agent pressurizeing, it is sprayed at modified alta-mud surface using aeroponics, obtains twice-modified swelling Soil;
(3) by fluorubber, ethylene propylene diene rubber, polyvinyl acetate, ethyl phosphonic acid diethylester, diethyl malonate, second Diamines, linoleic acid, organic silicon fibre retardant, plasticizer, antioxidant and twice-modified bentonite are kneaded, then extrusion molding.
Through the above technical solutions, present invention application bentonite, aluminium salt, pink salt, alkali and water carry out hydro-thermal reaction, by aluminium salt Product after being reacted with alkali with pink salt is sequestered on bentonite, improves bentonitic specific surface area, has good interface Reflecting properties can scatter ultraviolet light to all directions so that bentonite enhances the reflecting properties of ultraviolet light and visible light, carries The high ability of the shielding ultraviolet rays of material;In addition modified alta-mud is contacted by silane coupling agent again, then is added to preparation In the raw material of insulating materials, the binding performance of modified alta-mud and other raw materials is improved so that the performance of material is evenly.Again In conjunction with the above-mentioned raw material of the present invention, cable insulation material obtained not only has good mechanical performance, but also with good Anti-ultraviolet property, it is ageing-resistant, be conducive to improve insulating materials service life.Moreover, preparation method of the invention Simple easily prepared, raw material is easy to get, and has higher application value.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, in step (1), the bentonite, aluminium salt, pink salt, alkali and water weight ratio be 50:8-12:5-10:15-20: 100-200。
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, the mass ratio of modified alta-mud and silane coupling agent is 100:10-15.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, in terms of mass parts, relative to 100 parts of fluorubber, the dosage of ethylene propylene diene rubber is 15-20 parts, polyvinyl acetate Dosage be 5-8 part, the dosage of ethyl phosphonic acid diethylester is 6-8 parts, and the dosage of diethyl malonate is 4-5 parts, ethylenediamine Dosage is 6-8 parts, and linoleic dosage is 3-5 parts, and the dosage of organic silicon fibre retardant is 1-2 parts, and the dosage of plasticizer is 3-5 Part, the dosage of antioxidant is 1-2 parts, twice-modified bentonitic dosage 12-18 parts.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, the hydro-thermal reaction meets the following conditions:Reaction temperature is 100-140 DEG C, reaction time 6-10h.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, the aluminium salt is selected from least one of aluminium chloride, aluminum sulfate and aluminum nitrate.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, the pink salt is selected from least one of stannic chloride, STANNOUS SULPHATE CRYSTALLINE and nitric acid tin.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, the alkali is selected from least one of sodium hydroxide, potassium hydroxide and ammonium hydroxide.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, plasticizer is selected from phthalate compound, terephthalic acid ester compound and trimellitic acid esters chemical combination It is one or more in object.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, silane coupling agent silane coupling agent is one or more in KH580, KH590 and KH792.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, antioxidant is one or more in antioxidant 1010, antioxidant 1076 and antioxidant CA.
In the above-mentioned technical solutions, the present invention can be achieved in the bentonite as plastics, the conventional commercial products filler of rubber, The present invention is not required, and in general average grain diameter is not more than 100 microns.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, organic silicon fibre retardant is at least one of KR-480 and KR-2710.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, the condition of mixing includes:Temperature is 160-210 DEG C;Time is 0.8-1.5h.
In a kind of preferred embodiment of the present invention, in order to improve the mechanical performance and anti-aging property of insulating materials, Preferably, extrusion temperature is 180-220 DEG C.
Fluorubber can such as select model fluororubber 23, fluororubber 26, fluororubber 246, fluorubber TP there are many selection Deng, it is achievable of the invention, in embodiment later, fluororubber 26 is selected to illustrate.
In the above-mentioned technical solutions, the plurality of specifications of polyvinyl acetate, such as number-average molecular weight are 55000-420000 It can realize the present invention, in specific embodiment later, select the number of Jiangsu silver dollar gum base materials Co., Ltd production equal Molecular weight is 80000-110000, and grade is that the polyvinyl acetate of PVAC3 illustrates.
In the above-mentioned technical solutions, the ethylene propylene diene rubber of conventional compounded rubber can realize the present invention, and the present invention does not make It is required that.In embodiment later, illustrated with ethylene propylene diene rubber 4045.
The present invention also provides a kind of ageing-resistant cable insulation materials being prepared according to previously described preparation method.
Through the above technical solutions, present invention application bentonite, aluminium salt, pink salt, alkali and water carry out hydro-thermal reaction, by aluminium salt Product after being reacted with alkali with pink salt is sequestered on bentonite, improves bentonitic specific surface area, has good interface Reflecting properties can scatter ultraviolet light to all directions so that bentonite enhances the reflecting properties of ultraviolet light and visible light, carries The high ability of the shielding ultraviolet rays of material;In addition modified alta-mud is contacted by silane coupling agent again, then is added to preparation In the raw material of insulating materials, the binding performance of modified alta-mud and other raw materials is improved so that the performance of material is evenly.Again In conjunction with the above-mentioned raw material of the present invention, cable insulation material obtained not only has good mechanical performance, but also with good Anti-ultraviolet property, it is ageing-resistant, be conducive to improve insulating materials service life.Moreover, preparation method of the invention Simple easily prepared, raw material is easy to get, and has higher application value.
The present invention will be described in detail by way of examples below.To cable insulation material obtained in following embodiment It is detected, according to the method tested for tensile strength in national standard GB/T1040-2006, the production of puller system model Shimadzu Corporation AG-20KNG;Rate of extension is 500mm/min, and test temperature is 23 DEG C.It is old according to UL62-2001 test ultraviolet lights (argon arc lamp) Change the tensile strength retention rate after 720h.Single sampling no less than 10.
Wherein, silane coupling agent is KH590 silane coupling agents.
Preparation example 1
(1) by bentonite, aluminium chloride, stannic chloride, sodium hydroxide and water with weight ratio be 50:8:5:15:100 carry out hydro-thermal Reaction is to be made modified alta-mud;Wherein, reaction temperature is 100 DEG C, reaction time 10h;
(2) silane coupling agent is dissolved in after pressurizeing in glycerine, is sprayed at modified alta-mud surface using aeroponics, obtains two Secondary modified alta-mud;The mass ratio of modified alta-mud and silane coupling agent is 100:10.
Preparation example 2
(1) by bentonite, aluminium chloride, stannic chloride, sodium hydroxide and water with weight ratio be 50:12:10:20:200 carry out water Thermal response is to be made modified alta-mud;Wherein, reaction temperature is 140 DEG C, reaction time 6h;
(2) silane coupling agent is dissolved in after pressurizeing in glycerine, is sprayed at modified alta-mud surface using aeroponics, obtains two Secondary modified alta-mud;The mass ratio of modified alta-mud and silane coupling agent is 100:15.
Preparation example 3
(1) by bentonite, aluminium chloride, stannic chloride, sodium hydroxide and water with weight ratio be 50:10:8:15-20:150 carry out Hydro-thermal reaction is to be made modified alta-mud;Wherein, reaction temperature is 120 DEG C, reaction time 8h;
(2) silane coupling agent is dissolved in after pressurizeing in glycerine, is sprayed at modified alta-mud surface using aeroponics, obtains two Secondary modified alta-mud;The mass ratio of modified alta-mud and silane coupling agent is 100:13.
Embodiment 1
By fluorubber, ethylene propylene diene rubber, polyvinyl acetate, ethyl phosphonic acid diethylester, diethyl malonate, second two Secondary in amine, linoleic acid, KR-480 organic silicon fibre retardants, diisobutyl phthalate, antioxidant 1076 and preparation example 1 changes Property bentonite in 160 DEG C be kneaded 1.5h, then in 180 DEG C of extrusion moldings;
Wherein, in terms of mass parts, relative to 100 parts of fluorubber, the dosage of ethylene propylene diene rubber is 15 parts, polyvinyl acetate The dosage of ester is 5 parts, and the dosage of ethyl phosphonic acid diethylester is 6 parts, and the dosage of diethyl malonate is 4 parts, the dosage of ethylenediamine It it is 6 parts, linoleic dosage is 3 parts, and the dosage of KR-480 organic silicon fibre retardants is 1 part, the use of diisobutyl phthalate Amount is 3 parts, and the dosage of antioxidant 1076 is 1 part, 12 parts of twice-modified bentonitic dosage.Average tensile in embodiment 1 is strong Degree is 20.8N/mm2, tensile strength retention rate is 95% to ultraviolet light and aging 720h (argon arc lamp) afterwards.
Embodiment 2
By fluorubber, ethylene propylene diene rubber, polyvinyl acetate, ethyl phosphonic acid diethylester, diethyl malonate, second two Secondary in amine, linoleic acid, KR-480 organic silicon fibre retardants, diisobutyl phthalate, antioxidant 1076 and preparation example 1 changes Property bentonite in 210 DEG C be kneaded 0.8h, then in 220 DEG C of extrusion moldings;
Wherein, in terms of mass parts, relative to 100 parts of fluorubber, the dosage of ethylene propylene diene rubber is 20 parts, polyvinyl acetate The dosage of ester is 8 parts, and the dosage of ethyl phosphonic acid diethylester is 8 parts, and the dosage of diethyl malonate is 5 parts, the dosage of ethylenediamine It it is 8 parts, linoleic dosage is 5 parts, and the dosage of KR-480 organic silicon fibre retardants is 2 parts, the use of diisobutyl phthalate Amount is 5 parts, and the dosage of antioxidant 1076 is 2 parts, 18 parts of twice-modified bentonitic dosage.
Average tensile strength in embodiment 1 is 21.8N/mm2, ultraviolet light and aging 720h (argon arc lamp) afterwards protect by tensile strength It is 97% to stay rate.
Embodiment 3
By fluorubber, ethylene propylene diene rubber, polyvinyl acetate, ethyl phosphonic acid diethylester, diethyl malonate, second two Secondary in amine, linoleic acid, KR-480 organic silicon fibre retardants, diisobutyl phthalate, antioxidant 1076 and preparation example 1 changes Property bentonite in 185 DEG C be kneaded 1h, then in 200 DEG C of extrusion moldings;
Wherein, in terms of mass parts, relative to 100 parts of fluorubber, the dosage of ethylene propylene diene rubber is 18 parts, polyvinyl acetate The dosage of ester is 7 parts, and the dosage of ethyl phosphonic acid diethylester is 7 parts, and the dosage of diethyl malonate is 4.5 parts, the use of ethylenediamine Amount is 7 parts, and linoleic dosage is 4 parts, and the dosage of KR-480 organic silicon fibre retardants is 1.5 parts, diisobutyl phthalate Dosage be 4 parts, the dosage of antioxidant 1076 is 1.5 parts, 15 parts of twice-modified bentonitic dosage.
Average tensile strength in embodiment 1 is 21.8N/mm2, ultraviolet light and aging 720h (argon arc lamp) afterwards protect by tensile strength It is 96% to stay rate.
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 (10)

1. a kind of preparation method of ageing-resistant cable insulation material, which is characterized in that the preparation method comprises the following steps:
(1) bentonite, aluminium salt, pink salt, alkali and water are subjected to hydro-thermal reaction so that modified alta-mud is made;
(2) after silane coupling agent pressurizeing, it is sprayed at modified alta-mud surface using aeroponics, obtains twice-modified bentonite;
(3) by fluorubber, ethylene propylene diene rubber, polyvinyl acetate, ethyl phosphonic acid diethylester, diethyl malonate, ethylenediamine, Linoleic acid, organic silicon fibre retardant, plasticizer, antioxidant and twice-modified bentonite are kneaded, then extrusion molding.
2. preparation method according to claim 1, wherein in step (1), the bentonite, aluminium salt, pink salt, alkali and The weight ratio of water is 50:8-12:5-10:15-20:100-200;
And/or the mass ratio of modified alta-mud and silane coupling agent is 100:10-15.
3. preparation method according to claim 2, wherein in terms of mass parts, relative to 100 parts of fluorubber, EPDM The dosage of rubber is 15-20 part, and the dosage of polyvinyl acetate is 5-8 parts, and the dosage of ethyl phosphonic acid diethylester is 6-8 parts, third The dosage of diethyl adipate is 4-5 parts, and the dosage of ethylenediamine is 6-8 parts, and linoleic dosage is 3-5 parts, organic silicon fibre retardant Dosage be 1-2 part, the dosage of plasticizer is 3-5 parts, and the dosage of antioxidant is 1-2 parts, twice-modified bentonitic dosage 12- 18 parts.
4. preparation method according to claim 1, wherein the hydro-thermal reaction meets the following conditions:Reaction temperature is 100-140 DEG C, reaction time 6-10h.
5. according to claim 1-5 any one of them preparation methods, wherein the aluminium salt is selected from aluminium chloride, aluminum sulfate and nitre At least one of sour aluminium;
And/or the pink salt is selected from least one of stannic chloride, STANNOUS SULPHATE CRYSTALLINE and nitric acid tin;
And/or the alkali is selected from least one of sodium hydroxide, potassium hydroxide and ammonium hydroxide.
6. according to claim 1-5 any one of them preparation methods, wherein plasticizer is selected from phthalate chemical combination It is one or more in object, terephthalic acid ester compound and trimellitic acid esters compound;
And/or it is one or more in silane coupling agent KH580, KH590 and KH792.
7. according to claim 1-5 any one of them preparation methods, wherein antioxidant is selected from antioxidant 1010, antioxidant 1076 and antioxidant CA in it is one or more;
And/or organic silicon fibre retardant is at least one of KR-480 and KR-2710.
8. according to claim 1-5 any one of them preparation methods, wherein the condition of mixing includes:Temperature is 160-210 ℃;Time is 0.8-1.5h.
9. according to claim 1-5 any one of them preparation methods, wherein extrusion temperature is 180-220 DEG C.
10. the ageing-resistant cable insulation material being prepared according to claim 1-9 any one of them preparation methods.
CN201810705175.0A 2018-07-02 2018-07-02 Ageing-resistant cable insulation material and preparation method thereof Withdrawn CN108794939A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106519521A (en) * 2016-11-18 2017-03-22 广西大学 Waterproof flame-retardant cable material and preparation method thereof
CN106751937A (en) * 2016-12-30 2017-05-31 新宇电缆集团股份有限公司 A kind of anticorrosive anti-oxidant cable cover(ing) formula
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
CN106519521A (en) * 2016-11-18 2017-03-22 广西大学 Waterproof flame-retardant cable material and preparation method thereof
CN106751937A (en) * 2016-12-30 2017-05-31 新宇电缆集团股份有限公司 A kind of anticorrosive anti-oxidant cable cover(ing) formula
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

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