CN107880383A - A kind of novel cable insulating materials - Google Patents
A kind of novel cable insulating materials Download PDFInfo
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- CN107880383A CN107880383A CN201711070217.XA CN201711070217A CN107880383A CN 107880383 A CN107880383 A CN 107880383A CN 201711070217 A CN201711070217 A CN 201711070217A CN 107880383 A CN107880383 A CN 107880383A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of novel cable insulating materials, including insulating barrier, screen layer, metallic conductor, the insulating barrier is formed by polypropylene polymerization material and the fusion of polyethylene polymerization material, the insulating barrier divides by weight, 88 parts of the polypropylene polymerization material, 32 parts of the polyethylene polymerization material, the polypropylene polymerization material include following components by weight：40 parts of polypropylene, 20 parts of rubber, 10 parts of polyvinyl chloride, 5 parts of synthetic fibers, 7 parts of adhesive；The polyethylene polymerization material includes following components by weight：55 parts of polyethylene, 20 parts of calcium carbonate, 15 parts of polysulfone resin, 3 parts of adhesive, contains polyethylene in cable insulation material, polyethylene is odorless, it is nontoxic, feel ceraceous, there is excellent resistance to low temperature, minimum temperature in use is up to 100 degree to 70 degree, chemical stability is good, is resistant to the erosion of most of soda acids, common solvent is not dissolved under normal temperature, water imbibition is small, makes electrical insulating property excellent.
Description
Technical field
The present invention relates to field of cables, specifically a kind of novel cable insulating materials.
Background technology
Cable is the general designation of optical cable, cable and other items.The purposes of cable has a lot, is mainly used in control installation, connection is set
It is standby, the multiple action such as transmit electric power, be common and indispensable a kind of thing in daily life, because cable is powered, so
Installation needs careful.The definition 1 of cable：It is made up of the conductor and outsourcing insulating protective layer of one or more mutually insulated, by electricity
Power or information are transferred to the wire at another place at one；Define 2：Typically by several or several groups of wires（Every group at least two）Twist
Close the cable of similar rope formed, mutually insulated between every group of wire, and being often twisted into around a center, whole outer bread
There is the coating of high-insulation, cable has power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer
Cable, signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc., they are all by list
Stock or stranded conductor and insulating barrier composition, for connecting circuit, electrical equipment.
The major defect of cable：The long-term overload operation of overload operation, will raise cable temperature, insulation ag(e)ing, with
Breakdown insulation is caused, reduces construction quality；Electrically aspect has：End construction technology does not reach requirement, and cable pack-off is poor, tide
Gas cut enters inside cable, and insulating performance of cable declines;Fail to take safeguard measure during cabling, protective layer goes to pot, insulation
Reduce；Have in terms of civil engineering：Work well casing ditch water discharge is not smooth, and cable is immersed in water for a long time, and infringement dielectric strength work well is too small, and cable is curved
Bilge radius are inadequate, and it is mainly the barbarous construction of machinery in municipal construction that the external force that is squeezed for a long time, which is destroyed, and digging injury digs power-off cable；Corrosion is protected
Sheath by chemical attack or cable corrosion, causes protective layer to fail for a long time, and insulation reduces；Cable is in itself or end annex
Of poor quality, cable pack-off is poor, insulating cement dissolving, cracking, causes the resonance phenomena that station occurs to make line for line disconnection failure
Road capacitive coupling and direct-to-ground capacitance form resonant tank with distribution transformer magnetizing inductance, so as to excite ferromagnetic resonance, at some
Cable requirement in safety protection equipment and in large-scale outdoor machinery is high, it is desirable to which cable has waterproof tensile or so, especially
It is that especially high is required to the tensile property of cable in safety protection equipment, if preventing the safe thing caused by the damage of cable
Therefore.
The content of the invention
It is an object of the invention to provide a kind of novel cable insulating materials, improves the quality of cable insulation, increases cable
Tensile property, there is prominent water-proof function.
The present invention is achieved through the following technical solutions：
A kind of novel cable insulating materials, including insulating barrier, screen layer, metallic conductor, the insulating barrier is by polypropylene polymerization material
Formed with the fusion of polyethylene polymerization material, the insulating barrier divides by weight, 88 parts of the polypropylene polymerization material, the polyethylene
32 parts of polymeric material, the polypropylene polymerization material include following components by weight：40 parts of polypropylene, 20 parts of rubber, polychlorostyrene
10 parts of ethene, 5 parts of synthetic fibers, 7 parts of adhesive；The polyethylene polymerization material includes following components by weight：Polyethylene
55 parts, 20 parts of calcium carbonate, 15 parts of polysulfone resin, 3 parts of adhesive.
Preferably, the polypropylene is isotactic polypropylene, includes isotactic poly- third in the poly- third bright alkene of isotactic by weight
80 parts of alkene, 10 parts of random polypropylene, 5 parts of syndiotactic polypropylene.
Preferably, the rubber is nitrile rubber, and the nitrile rubber is the solution of nitrile rubber under molten condition.
Preferably, the polyvinyl chloride is cross-linked polrvinyl chloride, contains hinge by weight in the cross-linked polrvinyl chloride
65 parts of polyvinyl chloride, 10 parts of dially phthalate, 2 parts of polyamide.
Preferably, the synthetic fibers include following components by weight：20 parts of polyester, 2 parts of polyurethane, polyvinyl chloride 5
Part, 3 parts of polyacrylonitrile, the polyvinyl chloride is cross-linked polrvinyl chloride, and the polyacrylonitrile is by isocyanates and hydroxy compounds
It is polymerized, the isocyanates is monomeric diisocyanate.
Preferably, the calcium carbonate is precipitated calcium carbonate, and the precipitated calcium carbonate is light calcium carbonate powder.
Its preparation method, includes 88 parts of propylene polymerization material in insulating materials by weight, 32 parts of polyethylene polymerization material,
Using following procedure of processing：
（1）40 parts of isotactic polypropylene in polypropylene polymerization material, it is described that random polypropylene and a rule are added in isotactic polypropylene
Polypropylene is uniformly mixed, and is polymerize with 300 degree of polymerization, when isotactic polypropylene, syndiotactic polypropylene, random polypropylene polymerize
Between be 3 hours, the polypropylene after polymerization is dried in vacuo；
（2）20 parts of rubber in polypropylene polymerization material, the rubber are nitrile rubber, and nitrile rubber is by 37 parts of butadiene and third
22 parts of alkene nitrile emulsion is polymerized, and the nitrile rubber uses emulsion polymerization；
（3）Polypropylene polymerization material includes 10 parts of polyvinyl chloride, and polyvinyl chloride uses cross-linked polrvinyl chloride, described in crosslinking polychlorostyrene
Dially phthalate and polyamide are added in ethene, uniform stirring is carried out between 160 degree to 250 degree；
（4）Polypropylene polymerization includes 5 parts of synthetic fibers, and synthetic fibers include polyester, polyurethane, polyvinyl chloride, polypropylene
Nitrile, polyester, polyurethane, polyvinyl chloride, polypropylene are melted at 240 degree, then uniform stirring carries out polymerisation；
（5）Polypropylene polymerization material includes 7 parts of adhesive, and adhesive melting is added in polypropylene polymerization material；
（6）Polyethylene polymerization material includes 55 parts of polyethylene, 20 parts of calcium carbonate, calcium carbonate, polysulfone resin is added in polyethylene,
Adhesive, calcium carbonate is added in polyethylene with powdered, by polysulfone resin melting with calcium carbonate and polyethylene uniform stirring,
Polymerisation is carried out between 280 degree to 300 degree 2 hours to 4 hours, adhesive is then added into polymerization reactant, is carried out
Uniform stirring, then cool down；
（7）By polypropylene polymerization material and polyethylene polymerization material molten, uniform stirring is carried out between 240 degree to 350 degree, is gathered
Close reaction and obtain the insulating materials of cable in 6 hours.
The polyvinyl chloride is cross-linked polrvinyl chloride, the polyacrylonitrile polymerize by isocyanates with hydroxy compounds and
Into the isocyanates is monomeric diisocyanate.
Initiator is added to simultaneously with age resistor in emulsion polymerization process in the acrylonitrile-butadiene rubber latex polymerization process
In polymer.
Described adhesive is added in polypropylene polymerization material, and melting temperature is 260 degree, progress uniform stirring, during melting
Between be 1.5 hours.
Further speaking, polypropylene is the highly crystalline polymer of nontoxic, odorless, tasteless milky, good moldability, is crystallized
Degree is high, and compound with regular structure has excellent mechanical property, the most good flexural fatigue resistance of polypropylene, and polypropylene also has
Good thermoplasticity, it can be carried out disinfection sterilizing in more than 100 degree temperature, it may have good cold resistance, at subzero 35 degree
Within embrittlement will not occur, it is polyacrylic that also there is reactance voltage and arc resistance, by polypropylene with can improve in the cable
The quality of cable, increase the service life of cable, strengthen the toughness of cable, improve the tensile property of cable；Nitrile rubber has
Good oil resistivity, wearability, heat resistance and bonding force is strong, nitrile rubber antistatic effect is good, the insulating materials as cable
Constituent, the wearability performance of cable surface can be effectively improved；Synthetic fibers be by it is artificial synthesized, there is suitable point
Son, which is measured, simultaneously has soluble linear polymer, synthetic fibers intensity height, lightweight, not hygroscopic, can keep out mould and moth；
Polyethylene is a kind of aggregated obtained thermoplastic resin of ethene, industrially, the also copolymer including ethene Yu a small amount of alkene,
Polyethylene is odorless, nontoxic, feel ceraceous, has excellent resistance to low temperature, and minimum reachable -100 degree of temperature in use is spent to -70,
Chemical stability is good, is resistant to the erosion of most of soda acids, does not dissolve in common solvent under normal temperature, water imbibition is small, and electrical insulating property is excellent；
Calcium carbonate abbreviation fine particle calcium carbonate, it is that the raw materials such as lime stone are calcined into generation lime and carbon dioxide, adds water digestion lime generation lime
Breast, be then passed through again carbon dioxide carbonization milk of lime generation precipitation of calcium carbonate, most afterwards through being dehydrated, dry and crush and be made, carbon
Sour calcium is used has fire retardation in the cable, it is ensured that the security performance of cable, polysulfone resin have rigid and tough well
Property, heatproof, resistance to thermal oxide, creep-resistant property is excellent, the corrosion of inorganic acid resistance, alkali, salting liquid, resistance to ionizing radiation, nontoxic, insulation
Property and self-extinguishment it is good, easy processing and forming, polysulfone resin, which is blended in cable insulation, makes cable surface smooth, improve cable meter
The corrosion resistance in face, increase the toughness of cable.
The present invention compared with prior art, has the advantage that and had the beneficial effect that：
（1）Containing polypropylene in cable insulation material, polypropylene is the highly crystalline polymer of nontoxic, odorless, tasteless milky,
Good moldability, crystallinity are high, compound with regular structure, have an excellent mechanical property, the most good flexural fatigue resistance of polypropylene,
Polypropylene also has good thermoplasticity, can be carried out disinfection sterilizing in more than 100 degree temperature, it may have cold-resistant well
Property, embrittlement will not occur within subzero 35 degree, polyacrylic also have reactance voltage and arc resistance, and polypropylene is used in into electricity
The quality of cable can be improved in cable, increases the service life of cable, strengthens the toughness of cable, improves the tensile property of cable.
（2）Containing nitrile rubber, synthetic fibers in cable insulation material, nitrile rubber has good oil resistivity, wear-resisting
Property, heat resistance and bonding force is strong, nitrile rubber antistatic effect is good, as the constituent of the insulating materials of cable, Ke Yiyou
Effect improves the wearability performance of cable surface, synthetic fibers be by it is artificial synthesized, with suitable molecular weight and with soluble
Linear polymer, it is synthetic fibers intensity height, lightweight, not hygroscopic, mould and moth can be kept out, synthetic fibers can also increase
The toughness of cable is powered up, improves the tensile property of cable.
（3）Containing polyethylene in cable insulation material, polyethylene is a kind of aggregated obtained thermoplastic resin of ethene,
Industrially, the also copolymer including ethene Yu a small amount of alkene, polyethylene is odorless, nontoxic, feel ceraceous, has excellent low temperature resistant
Performance, reachable -100 degree of minimum temperature in use to -70 degree, chemical stability is good, is resistant to the erosion of most of soda acids, under normal temperature not
Common solvent is dissolved in, water imbibition is small, makes electrical insulating property excellent.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this,
Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and customary means, various replace is made
Change and change, all should be included within the scope of the invention.
Embodiment 1：
A kind of novel cable insulating materials, including insulating barrier, screen layer, metallic conductor, the insulating barrier is by polypropylene polymerization material
Formed with the fusion of polyethylene polymerization material, the insulating barrier divides by weight, 88 parts of the polypropylene polymerization material, the polyethylene
32 parts of polymeric material, the polypropylene polymerization material include following components by weight：40 parts of polypropylene, 20 parts of rubber, polychlorostyrene
10 parts of ethene, 5 parts of synthetic fibers, 7 parts of adhesive；The polyethylene polymerization material includes following components by weight：Polyethylene
55 parts, 20 parts of calcium carbonate, 15 parts of polysulfone resin, 3 parts of adhesive, the polypropylene is isotactic polypropylene, and the isotactic poly- third is bright
Include 80 parts of isotactic polypropylene in alkene by weight, 10 parts of random polypropylene, 5 parts of syndiotactic polypropylene, the rubber is butyronitrile rubber
Glue, the nitrile rubber are the solution of nitrile rubber under molten condition, and the polyvinyl chloride is cross-linked polrvinyl chloride, the crosslinking
Contain 65 parts of hinge polyvinyl chloride, 10 parts of dially phthalate, 2 parts of polyamide, the conjunction in polyvinyl chloride by weight
Include following components by weight into fiber：20 parts of polyester, 2 parts of polyurethane, 5 parts of polyvinyl chloride, 3 parts of polyacrylonitrile are described poly-
Vinyl chloride is cross-linked polrvinyl chloride, and the polyacrylonitrile is polymerized by isocyanates and hydroxy compounds, the isocyanates
For monomeric diisocyanate, the calcium carbonate is precipitated calcium carbonate, and the precipitated calcium carbonate is light calcium carbonate powder.
A kind of method for fabricating insulating layer of cable, include 88 parts of propylene polymerization material, poly- second by weight in insulating materials
32 parts of alkene polymeric material, using following procedure of processing：
（1）40 parts of isotactic polypropylene in polypropylene polymerization material, it is described that random polypropylene and a rule are added in isotactic polypropylene
Polypropylene is uniformly mixed, and is polymerize with 300 degree of polymerization, when isotactic polypropylene, syndiotactic polypropylene, random polypropylene polymerize
Between be 3 hours, the polypropylene after polymerization is dried in vacuo；
（2）20 parts of rubber in polypropylene polymerization material, the rubber are nitrile rubber, and nitrile rubber is by 37 parts of butadiene and third
22 parts of alkene nitrile emulsion is polymerized, and the nitrile rubber uses emulsion polymerization；
（3）Polypropylene polymerization material includes 10 parts of polyvinyl chloride, and polyvinyl chloride uses cross-linked polrvinyl chloride, described in crosslinking polychlorostyrene
Dially phthalate and polyamide are added in ethene, uniform stirring is carried out between 160 degree to 250 degree；
（4）Polypropylene polymerization includes 5 parts of synthetic fibers, and synthetic fibers include polyester, polyurethane, polyvinyl chloride, polypropylene
Nitrile, polyester, polyurethane, polyvinyl chloride, polypropylene are melted at 240 degree, then uniform stirring carries out polymerisation；
（5）Polypropylene polymerization material includes 7 parts of adhesive, and adhesive melting is added in polypropylene polymerization material；
（6）Polyethylene polymerization material includes 55 parts of polyethylene, 20 parts of calcium carbonate, calcium carbonate, polysulfone resin is added in polyethylene,
Adhesive, calcium carbonate is added in polyethylene with powdered, by polysulfone resin melting with calcium carbonate and polyethylene uniform stirring,
Polymerisation is carried out between 280 degree to 300 degree 2 hours to 4 hours, adhesive is then added into polymerization reactant, is carried out
Uniform stirring, then cool down；
（7）By polypropylene polymerization material and polyethylene polymerization material molten, uniform stirring is carried out between 240 degree to 350 degree, is gathered
Close reaction and obtain the insulating materials of cable in 6 hours.
The polyvinyl chloride is cross-linked polrvinyl chloride, the polyacrylonitrile polymerize by isocyanates with hydroxy compounds and
Into the isocyanates is monomeric diisocyanate.
Initiator is added to simultaneously with age resistor in emulsion polymerization process in the acrylonitrile-butadiene rubber latex polymerization process
In polymer.
Described adhesive is added in polypropylene polymerization material, and melting temperature is 260 degree, progress uniform stirring, during melting
Between be 1.5 hours.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention
Within the scope of.
Claims (6)
1. a kind of novel cable insulating materials, including insulating barrier, screen layer, metallic conductor, it is characterised in that the insulating barrier by
Polypropylene polymerization material and the fusion of polyethylene polymerization material form, and the insulating barrier divides by weight, the polypropylene polymerization material 88
Part, 32 parts of the polyethylene polymerization material, the polypropylene polymerization material includes following components by weight：40 parts of polypropylene,
20 parts of rubber, 10 parts of polyvinyl chloride, 5 parts of synthetic fibers, 7 parts of adhesive；The polyethylene polymerization material by weight include with
Lower component：55 parts of polyethylene, 20 parts of calcium carbonate, 15 parts of polysulfone resin, 3 parts of adhesive.
2. a kind of novel cable insulating materials according to claim 1, it is characterised in that the polypropylene is isotactic poly- third
Alkene, include 80 parts of isotactic polypropylene, 10 parts of random polypropylene, 5 parts of syndiotactic polypropylene by weight in the poly- third bright alkene of isotactic.
3. a kind of novel cable insulating materials according to claim 1, it is characterised in that the rubber is nitrile rubber.
4. a kind of novel cable insulating materials according to claim 1, it is characterised in that the polyvinyl chloride is poly- for crosslinking
Vinyl chloride, contain 65 parts of hinge polyvinyl chloride in the cross-linked polrvinyl chloride by weight, 10 parts of dially phthalate, gather
2 parts of acid amides.
5. a kind of novel cable insulating materials according to claim 1, it is characterised in that the synthetic fibers are by weight
Including following components：20 parts of polyester, 2 parts of polyurethane, 5 parts of polyvinyl chloride, 3 parts of polyacrylonitrile, the polyvinyl chloride are poly- for crosslinking
Vinyl chloride, the polyacrylonitrile are polymerized by isocyanates and hydroxy compounds, and the isocyanates is monomeric diisocyanate.
6. a kind of novel cable insulating materials according to claim 1, it is characterised in that the calcium carbonate is lightweight carbonic acid
Calcium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070217.XA CN107880383A (en) | 2017-11-03 | 2017-11-03 | A kind of novel cable insulating materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070217.XA CN107880383A (en) | 2017-11-03 | 2017-11-03 | A kind of novel cable insulating materials |
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| CN107880383A true CN107880383A (en) | 2018-04-06 |
Family
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| CN201711070217.XA Withdrawn CN107880383A (en) | 2017-11-03 | 2017-11-03 | A kind of novel cable insulating materials |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762029A (en) * | 2003-03-27 | 2006-04-19 | 陶氏环球技术公司 | Power cable compositions for strippable adhesion |
| CN103554634A (en) * | 2013-10-24 | 2014-02-05 | 苏州市双鑫新材料科技有限公司 | High-voltage cable structure with insulating layer with excellent performance |
| CN103756190A (en) * | 2014-01-12 | 2014-04-30 | 莒南县美达电力实业有限公司 | Radiation resistant cable and application of radiation resistant cable in power distribution system |
-
2017
- 2017-11-03 CN CN201711070217.XA patent/CN107880383A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762029A (en) * | 2003-03-27 | 2006-04-19 | 陶氏环球技术公司 | Power cable compositions for strippable adhesion |
| CN103554634A (en) * | 2013-10-24 | 2014-02-05 | 苏州市双鑫新材料科技有限公司 | High-voltage cable structure with insulating layer with excellent performance |
| CN103756190A (en) * | 2014-01-12 | 2014-04-30 | 莒南县美达电力实业有限公司 | Radiation resistant cable and application of radiation resistant cable in power distribution system |
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Application publication date: 20180406 |