CN113362995B - Mineral insulation carbon fiber reinforced flexible cable - Google Patents

Mineral insulation carbon fiber reinforced flexible cable Download PDF

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Publication number
CN113362995B
CN113362995B CN202110650155.XA CN202110650155A CN113362995B CN 113362995 B CN113362995 B CN 113362995B CN 202110650155 A CN202110650155 A CN 202110650155A CN 113362995 B CN113362995 B CN 113362995B
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parts
cable
resistant
silicon rubber
carbon fiber
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CN113362995A (en
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徐成业
陈玉东
王友香
彭习松
黄海琴
夏喜明
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Anhui Tiankang Group Co Ltd
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Anhui Tiankang Group Co Ltd
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    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • 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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B7/2806—Protection against damage caused by corrosion
    • 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
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/428—Heat conduction
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses a mineral insulation carbon fiber reinforced flexible cable which is characterized in that: including circular shape silicon rubber resistance to compression skeleton, silicon rubber resistance to compression skeleton outer loop is equipped with several conductors, and every conductor wraps up inorganic mineral insulating layer, metal covering in proper order outward, weaves the flame retardant coating in, each after the conductor twists into the cable with silicon rubber resistance to compression skeleton outside crowded package magnesium oxide fire clay again wrap up in proper order fluoroplastics inner sheath, copper wire weave the shielding layer, weave flame retardant coating, oversheath outward. The insulating layer and the sheath are made of high-temperature-resistant and fire-resistant materials, and the inner and outer woven fire-resistant layers and the magnesium oxide fire-resistant mud are added, so that the cable is used in high-temperature and fire-prone environments, and the strength, stability and flexibility of the cable in use are guaranteed by using the silicon rubber compression-resistant framework, and the cable is convenient to retract in rolling.

Description

Mineral insulation carbon fiber reinforced flexible cable
Technical Field
The invention relates to the field of cables, in particular to a mineral insulation carbon fiber reinforced flexible cable.
Background
At present, the use environments of cables are more and more diversified, high temperature, low temperature, severe weather, severe environment and the like all provide various problems for the use of conventional cables, and the cable provided by the invention is provided for the use in the outdoor environment which needs frequent dragging.
The polyamide is mainly used for synthetic fibers, has the most outstanding advantages that the wear resistance is higher than that of all other fibers, is 10 times higher than that of cotton and 20 times higher than that of wool, and the wear resistance can be greatly improved by slightly adding some polyamide fibers into the blended fabric; when the stretch is extended to 3-6%, the elastic recovery rate can reach 100%; can withstand ten thousand times of bending without breaking.
The strength of the polyamide fiber is 1-2 times higher than that of cotton, 4-5 times higher than that of wool, and 3 times higher than that of viscose fiber. However, polyamide fibers have poor heat resistance and light resistance and poor retention properties, and the resulting garments are not as stiff as polyester. In addition, both of nylon-66 and nylon-6 used for clothing have a disadvantage of poor moisture absorption and dyeing properties, and therefore, new polyamide fibers of nylon-3 and nylon-4, which are new varieties of polyamide fibers, have been developed, and are characterized by light weight, excellent crease resistance, good air permeability, good durability, dyeing properties, heat setting, and the like, and thus are considered to have a promising future.
The product has wide application, uses plastics to replace good materials of steel, iron, copper and other metals, and is important engineering plastics; the cast nylon can be used to replace antiwear parts of mechanical equipment and copper and alloy. The lead screw is suitable for manufacturing wear-resistant parts, transmission structural parts, household appliance parts, automobile manufacturing parts, lead screw prevention mechanical parts, chemical mechanical parts and chemical equipment. Such as turbine, gear, bearing, impeller, crank, instrument board, drive shaft, valve, blade, lead screw, high pressure washer, screw, nut, seal ring, shuttle, sleeve, shaft sleeve connector, etc., however, at present, by directly compounding rubber and nylon 6, the bonding strength is lower, and the stability of the finished product is poorer.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a mineral insulation carbon fiber reinforced flexible cable.
The technical scheme adopted by the invention is as follows:
the utility model provides a mineral insulation carbon fiber reinforcement flexible cable which characterized in that: including circular shape silicon rubber resistance to compression skeleton, silicon rubber resistance to compression skeleton outer loop is equipped with several conductors, and every conductor wraps up inorganic mineral insulating layer, metal covering in proper order outward, weaves the flame retardant coating in, each after the conductor twists into the cable with silicon rubber resistance to compression skeleton outside crowded package magnesium oxide fire clay again wrap up in proper order fluoroplastics inner sheath, copper wire weave the shielding layer, weave flame retardant coating, oversheath outward.
Further, the mineral insulation carbon fiber reinforced flexible cable is characterized in that: the inner and outer woven flame retardant coatings are woven glass filaments.
Further, the mineral insulation carbon fiber reinforced flexible cable is characterized in that: the metal sleeve is formed by aluminum strip argon arc welding and binding grains.
The fluoroplastic inner sheath is composed of the following raw materials in parts by weight:
10-15 parts of carbon fiber, 3-4 parts of barium stearate, 20-30 parts of fluororubber, 190 parts of caprolactam 170-containing material, 1-2 parts of benzotriazole, 30-40 parts of aluminum isopropoxide, 0.8-1 part of calcium acetylacetonate, 3-5 parts of phosphorous acid, 3-4 parts of dicumyl peroxide and 2-4 parts of dodecyl primary amine.
The preparation method of the fluoroplastic inner sheath comprises the following steps:
(1) adding dicumyl peroxide into 10-17 times of absolute ethyl alcohol, and uniformly stirring to obtain an initiator solution;
(2) mixing benzotriazole, fluororubber, dodecyl primary amine and carbon fiber, feeding into a mixing roll, stirring at 50-55 ℃ for 10-20 minutes, discharging, and cooling to obtain a premixed rubber material;
(3) mixing aluminum isopropoxide and phosphorous acid, adding the mixture into deionized water with the weight being 20-25 times of that of the mixture, and stirring for reaction for 3-5 hours to obtain a sol solution;
(4) adding a premixed rubber material into the sol solution, raising the temperature to 65-70 ℃, keeping the temperature and stirring for 1-2 hours, mixing with caprolactam, uniformly stirring, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 130-175 ℃, keeping the temperature and stirring for 3-5 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain a composite master batch;
(5) and mixing the composite master batch with barium stearate, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite master batch.
The invention has the advantages that:
the insulating layer and the sheath are made of high-temperature-resistant and fire-resistant materials, and the inner and outer woven fire-resistant layers and the magnesium oxide fire-resistant mud are added, so that the cable is used in high-temperature and fire-prone environments, and the strength, stability and flexibility of the cable in use are guaranteed by using the silicon rubber compression-resistant framework, and the cable is convenient to retract in rolling.
According to the invention, the adopted fluoroplastic inner sheath is prepared by treating fluororubber with dodecyl primary amine, then using aluminum isopropoxide as a precursor and phosphorous acid as a hydrolysis promoting agent, hydrolyzing to obtain an acid-doped sol solution, then carrying out blending reaction on the dodecyl primary amine-treated fluororubber and the acid-doped sol solution, blending with a caprolactam monomer, polymerizing under the action of an initiator, promoting the dispersing performance of the aluminum sol and the fluororubber among polycaprolactam, and improving the mechanical strength of finished products such as tensile resistance and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: the cable comprises a silicon rubber compression-resistant framework 1, a conductor 2, an inorganic mineral insulating layer 3, a metal sleeve 4, an inner woven flame retardant coating 5, magnesium oxide flame retardant clay 6, a fluoroplastic inner sheath 7, a copper wire woven shielding layer 8, an outer woven flame retardant coating 9 and an outer sheath 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1.
As shown in fig. 1, a mineral insulation carbon fiber reinforced flexible cable, including circular shape silicon rubber resistance to compression skeleton 1, silicon rubber resistance to compression skeleton outer loop is equipped with several conductors 2, and every conductor 2 wraps up inorganic mineral insulating layer 3, metal covering 4 outward in proper order, interior flame retardant coating 5, each conductor 2 wraps up fluoroplastics inner sheath 7, copper wire woven shield 8, outer woven flame retardant coating 9, oversheath 10 in proper order again after stranding with silicon rubber resistance to compression skeleton 1 and stranding outside crowded package magnesium oxide fire clay 6 behind the cable.
Further, the inner and outer woven flame retardant coatings 6, 9 are woven glass filaments. The inorganic mineral insulating layer 3 may be a mica tape layer.
The metal sleeve 4 is formed by aluminum strip argon arc welding and binding grains.
The fluoroplastic inner sheath is composed of the following raw materials in parts by weight:
10 parts of carbon fiber, 4 parts of barium stearate, 30 parts of fluororubber, 190 parts of caprolactam, 1-2 parts of benzotriazole, 40 parts of aluminum isopropoxide, 1 part of calcium acetylacetonate, 5 parts of phosphorous acid, 4 parts of dicumyl peroxide and 4 parts of dodecyl primary amine.
The preparation method of the fluoroplastic inner sheath comprises the following steps:
(1) adding dicumyl peroxide into absolute ethyl alcohol with the weight 17 times of that of the dicumyl peroxide, and uniformly stirring to obtain an initiator solution;
(2) mixing benzotriazole, fluororubber, dodecyl primary amine and carbon fiber, feeding into a mixing roll, stirring at 55 ℃ for 20 minutes, discharging, and cooling to obtain a premixed rubber material;
(3) mixing aluminum isopropoxide and phosphorous acid, adding the mixture into deionized water with the weight being 25 times that of the mixture, and stirring for reaction for 5 hours to obtain a sol solution;
(4) adding a premixed rubber material into the sol solution, raising the temperature to 70 ℃, keeping the temperature and stirring for 2 hours, mixing with caprolactam, stirring uniformly, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 175 ℃, keeping the temperature and stirring for 5 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain a composite master batch;
(5) and mixing the composite master batch with barium stearate, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite master batch.
Example 2
As shown in fig. 1, a mineral insulation carbon fiber reinforced flexible cable, including circular shape silicon rubber resistance to compression skeleton 1, silicon rubber resistance to compression skeleton outer loop is equipped with several conductors 2, and every conductor 2 wraps up inorganic mineral insulating layer 3, metal covering 4 outward in proper order, interior flame retardant coating 5, each conductor 2 wraps up fluoroplastics inner sheath 7, copper wire woven shield 8, outer woven flame retardant coating 9, oversheath 10 in proper order again after stranding with silicon rubber resistance to compression skeleton 1 and stranding outside crowded package magnesium oxide fire clay 6 behind the cable.
Further, the inner and outer woven flame retardant coatings 6, 9 are woven glass filaments. The inorganic mineral insulating layer 3 may be a mica tape layer.
The metal sleeve 4 is formed by aluminum strip argon arc welding and binding grains.
The fluoroplastic inner sheath is composed of the following raw materials in parts by weight:
carbon fiber 15, barium stearate 3, fluororubber 20, caprolactam 170, benzotriazole 1, aluminum isopropoxide 30, calcium acetylacetonate 0.8, phosphorous acid 3, dicumyl peroxide 3 and dodecyl primary amine 2.
The preparation method of the fluoroplastic inner sheath comprises the following steps:
(1) adding dicumyl peroxide into 10 times of absolute ethyl alcohol by weight, and uniformly stirring to obtain an initiator solution;
(2) mixing benzotriazole, fluororubber, dodecyl primary amine and carbon fiber, feeding into a mixing roll, keeping the temperature and stirring for 10 minutes at 50 ℃, discharging and cooling to obtain a premixed rubber material;
(3) mixing aluminum isopropoxide and phosphorous acid, adding the mixture into deionized water with the weight being 20 times that of the mixture, and stirring for reaction for 3 hours to obtain a sol solution;
(4) adding a premixed rubber material into the sol solution, raising the temperature to 65 ℃, keeping the temperature and stirring for 1 hour, mixing with caprolactam, stirring uniformly, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 130 ℃, keeping the temperature and stirring for 3 hours, discharging, performing suction filtration, washing a filter cake with water, and performing vacuum drying to obtain a composite master batch;
(5) and mixing the composite master batch with barium stearate, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite master batch.
According to the invention, the strength and stability of the cable in use are ensured by using the silicon rubber compression-resistant framework, and the cable has certain retraction along the radial direction when being rolled by using the silicon rubber compression-resistant framework, so that the cable has certain flexibility and is easy to roll.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. The utility model provides a mineral insulation carbon fiber reinforcement flexible cable which characterized in that: the cable comprises a round silicon rubber compression-resistant framework, wherein a plurality of conductors are arranged on the outer ring of the silicon rubber compression-resistant framework, an inorganic mineral insulating layer, a metal sleeve and an inner woven fire-resistant layer are sequentially wrapped outside each conductor, and after the conductors are twisted with the silicon rubber compression-resistant framework into a cable, magnesium oxide fire-resistant mud is extruded outside the cable and then a fluoroplastic inner sheath, a copper wire woven shielding layer, an outer woven fire-resistant layer and an outer sheath are sequentially wrapped;
the fluoroplastic inner sheath is prepared from the following raw materials in parts by weight:
10-15 parts of carbon fiber, 3-4 parts of barium stearate, 20-30 parts of fluororubber, 190 parts of caprolactam 170-containing material, 1-2 parts of benzotriazole, 30-40 parts of aluminum isopropoxide, 0.8-1 part of calcium acetylacetonate, 3-5 parts of phosphorous acid, 3-4 parts of dicumyl peroxide and 2-4 parts of dodecyl primary amine;
the preparation method of the fluoroplastic inner sheath comprises the following steps:
(1) adding dicumyl peroxide into 10-17 times of absolute ethyl alcohol, and uniformly stirring to obtain an initiator solution;
(2) mixing benzotriazole, fluororubber, dodecyl primary amine and carbon fiber, feeding into a mixing roll, stirring at 50-55 ℃ for 10-20 minutes, discharging, and cooling to obtain a premixed rubber material;
(3) mixing aluminum isopropoxide and phosphorous acid, adding the mixture into deionized water with the weight being 20-25 times of that of the mixture, and stirring for reaction for 3-5 hours to obtain a sol solution;
(4) adding a premixed glue material into the sol solution, raising the temperature to 65-70 ℃, keeping the temperature and stirring for 1-2 hours, mixing with caprolactam, stirring uniformly, sending into a reaction kettle, introducing nitrogen, regulating the temperature of the reaction kettle to 130-;
(5) and mixing the composite master batch with barium stearate, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite master batch.
2. A mineral insulated carbon fiber reinforced flexible electric cable according to claim 1, characterized in that: the inner and outer woven flame retardant coatings are woven glass filaments.
3. A mineral insulated carbon fibre reinforced flexible electrical cable according to claim 1, wherein: the metal sleeve is formed by aluminum strip argon arc welding and binding grains.
CN202110650155.XA 2021-06-10 2021-06-10 Mineral insulation carbon fiber reinforced flexible cable Active CN113362995B (en)

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Citations (3)

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Publication number Priority date Publication date Assignee Title
GB991284A (en) * 1960-12-13 1965-05-05 Distllers Company Ltd Phosphonated metalloxane-siloxane polymers
CN106750630A (en) * 2016-12-12 2017-05-31 天长市康宁塑胶科技有限公司 A kind of high leakproofness fluorubber material
CN109705485A (en) * 2018-12-31 2019-05-03 王爱绿 A kind of composite foamed insulating board for building of nylon and preparation method thereof

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Publication number Priority date Publication date Assignee Title
US5911023A (en) * 1997-07-10 1999-06-08 Alcatel Alsthom Compagnie Generale D'electricite Polyolefin materials suitable for optical fiber cable components
CN203118572U (en) * 2013-01-15 2013-08-07 安徽瑞之星电缆集团有限公司 Pulling flexible cable used for coal cutter
CN206758176U (en) * 2017-04-11 2017-12-15 山东泰开特种电缆科技有限公司 A kind of flexible inorganic fire proof power cable for vertical run
CN209487199U (en) * 2019-03-13 2019-10-11 安徽天康(集团)股份有限公司 A kind of mineral insulating flexible flame retardant cable
CN209388737U (en) * 2019-03-26 2019-09-13 北京市天华伟业线缆有限公司 A kind of mineral insulation water-and fire-proof cable
CN110010284A (en) * 2019-04-26 2019-07-12 金杯电工衡阳电缆有限公司 Inorganic mineral insulated fire-resistant cable filled with fire-proof mud
CN112094620A (en) * 2019-12-13 2020-12-18 上海铂淳胶粘技术有限公司 Epoxy cross-linked modified hot melt adhesive and preparation method thereof
CN111223594B (en) * 2020-03-28 2024-09-06 飞洲集团股份有限公司 Anti-deformation and fracture slow-voltage cable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB991284A (en) * 1960-12-13 1965-05-05 Distllers Company Ltd Phosphonated metalloxane-siloxane polymers
CN106750630A (en) * 2016-12-12 2017-05-31 天长市康宁塑胶科技有限公司 A kind of high leakproofness fluorubber material
CN109705485A (en) * 2018-12-31 2019-05-03 王爱绿 A kind of composite foamed insulating board for building of nylon and preparation method thereof

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