CN114038615B - Environment-friendly high-temperature-resistant flame-retardant computer cable - Google Patents
Environment-friendly high-temperature-resistant flame-retardant computer cable Download PDFInfo
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- CN114038615B CN114038615B CN202111327474.3A CN202111327474A CN114038615B CN 114038615 B CN114038615 B CN 114038615B CN 202111327474 A CN202111327474 A CN 202111327474A CN 114038615 B CN114038615 B CN 114038615B
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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
- H01B7/17—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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- 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
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- 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
-
- 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
- H01B7/29—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
- H01B7/17—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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to the technical field of cables, in particular to an environment-friendly high-temperature-resistant flame-retardant computer cable, which comprises an inner protective layer, wherein a square cavity is formed in one side of the bottom of the inner protective layer, rotating grooves are formed in the inner walls of two sides of the square cavity, an outer protective layer is fixedly welded on the outer surface of the inner protective layer, connecting holes are formed between the two rotating grooves and the square cavity, pulleys are arranged in the two connecting holes, a telescopic rod is fixedly welded on the inner wall of the top of the square cavity, a tooth plate is fixedly welded at the bottom end of the telescopic rod, screw rod guide sleeves are rotatably arranged in the two rotating grooves, screw rods are sleeved on one ends, close to each other, of the two screw rod guide sleeves in a threaded manner, elastic ropes are sleeved on the two screw rod guide sleeves, and one ends of the two elastic ropes are fixed on the corresponding screw rod guide sleeves. The invention has simple structure and convenient use, and the computer cable has high temperature resistance, good buffering effect and long service life.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an environment-friendly high-temperature-resistant flame-retardant computer cable.
Background
With the development of industries such as petrochemical industry, communication, traffic, construction, electric power and the like in China, the requirements of industries such as power plants, transformer substations, smelting, petrochemical industry and the like on cables are extremely high in recent years, and simultaneously, higher requirements are put on the performance and the quantity of computer cables, so that materials for manufacturing the cables are gradually upscaled, specialized and dedicated. The computer cable is required to have not only excellent physical properties such as tensile strength, elongation at break, etc., but also excellent flame retardancy, impact resistance, etc. Although the cables on the market are various, most of the cables are still not ideal in flame retardance and impact resistance, and in the use process, the defects of low strength, poor impact resistance and poor flame retardance exist, so that the service life of the cables is shortened, the economic pressure is increased, and potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an environment-friendly high-temperature-resistant flame-retardant computer cable.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an environment-friendly high temperature resistant fire-retardant computer cable, includes interior inoxidizing coating, square chamber is offered to the inside of bottom one side of interior inoxidizing coating is all offered on its both sides inner wall of interior inoxidizing coating and is offered the external fixation welding of interior inoxidizing coating has outer inoxidizing coating, has offered the connecting hole between two rotation grooves all and the square chamber, all is equipped with the pulley in two connecting holes, fixed welding has the telescopic link on the top inner wall of square chamber, and the bottom fixed welding of telescopic link has the tooth piece, and lead screw guide pin bushing is all installed in two rotation grooves, and the equal screw thread of the one end that two lead screw guide pin bushings are close to each other has cup jointed the lead screw and all cup jointed the elastic cord on two lead screw guide pin bushings, and the one end of two elastic cord is fixed on the lead screw guide pin bushing that corresponds, and the other end is fixed on the tooth piece through corresponding pulley, and the one end that two lead screws are close to each other is rotated and is installed the guard plate, movable mounting has a plurality of cable cores between two guard plates.
Preferably, the bottom of the inner protective layer and the bottom of the outer protective layer are provided with the same hidden groove communicated with the square cavity, the worm meshed with the tooth piece is rotationally arranged in the hidden groove, and the bottom end of the worm is fixedly sleeved with a knob.
Preferably, the outer protective layer is specifically divided into three layers, the middle layer is an inner resistance layer, the outermost layer and the innermost layer are both insulation layers, and the insulation layers are flame-retardant crosslinked polyethylene layers.
Preferably, a sliding rail is fixedly welded on the inner wall of the bottom of the inner protective layer, two sliding blocks are slidably mounted on the sliding rail, the two sliding blocks are fixedly connected with the corresponding protective plates respectively, and the same first spring is fixedly welded between the two sliding blocks.
Preferably, torsion springs are sleeved on the two screw rod guide sleeves, one ends of the torsion springs are fixed on the corresponding screw rod guide sleeves, and the other ends of the torsion springs are fixed on the inner walls of the corresponding rotating grooves.
Preferably, the telescopic rod is sleeved with a second spring, one end of the second spring is fixed on the telescopic rod, and the other end of the second spring is fixed on the tooth plate.
Preferably, the flame-retardant crosslinked polyethylene layer is prepared from the following raw materials in parts by weight:
silane coupling agent kh 560-5, lignin 60-70, butyric anhydride 120-130, 1-methylimidazole 5-7, polyethylene 110-130, cross-linking agent taic 3-4, chlorinated paraffin 10-13, sp-80 1-2 and carbon nano tube 5-11.
Preferably, the preparation method of the material of the flame-retardant crosslinked polyethylene layer comprises the following steps:
(1) Adding carbon nano tubes into absolute ethyl alcohol with the weight being 16-20 times of that of the carbon nano tubes, uniformly stirring, adding a silane coupling agent kh560, and carrying out ultrasonic treatment for 1-2 hours to obtain silane dispersion liquid;
(2) Adding lignin into butyric anhydride, stirring uniformly, adding 1-methylimidazole, stirring at 110 ℃ for reacting for 20-25 hours, cooling to normal temperature, adding into the silane dispersion liquid, adding sp-80, stirring uniformly, standing for 2-3 hours, filtering, washing a filter cake with water, and vacuum drying to obtain a composite filler;
(3) Mixing the composite filler with polyethylene, a cross-linking agent taic and chlorinated paraffin, uniformly stirring, sending into an extruder, melting, extruding and cooling to obtain the flame-retardant cross-linked polyethylene layer material.
Preferably, the temperature of the vacuum drying in step (2) is 90-100 ℃.
In order to increase the buffering effect of the cable cores, the worm is driven to rotate by rotating the hidden knob, the worm drives the tooth piece to move downwards, the tooth piece pulls the two elastic ropes to drive the two screw rod guide sleeves to rotate, the two screw rods can be driven to move oppositely, the two protection plates can be driven to move oppositely, namely, a plurality of cable cores between the two protection plates can be clamped and positioned in a variable mode, the buffering protection effect is achieved, and the damage to the cable cores caused by external impact is prevented.
The flame-retardant effect can be achieved through the inner resistance layer on the outer protection layer, the insulation effect can be achieved through the insulation layer, and the service life of the cable core is prolonged. The invention has simple structure and convenient use, and the computer cable has high temperature resistance, good buffering effect and long service life;
according to the flame-retardant crosslinked polyethylene layer material, lignin is used as a filler, esterification modification is carried out through butyric anhydride, and then the lignin is dispersed into silanol solution containing carbon nanotubes, so that the esterified lignin can be well dispersed between tubes and on the surfaces of the carbon nanotubes, and when the lignin burns when encountering fire, the lignin can form stable carbon layers, and the carbon layers are not easy to generate cracks and holes because of being attached between the tubes and on the surfaces of the carbon nanotubes, so that oxygen and combustible gas can be effectively blocked, the good effects of blocking heat and gas transmission are achieved, the flame-retardant performance of the polyethylene layer is well improved, and the lignin and the carbon nanotubes added by the flame-retardant crosslinked polyethylene layer material can be well dispersed between polyethylene substrates through surface modification, and the toughness and the surface resistance of the finished product material are further improved.
Drawings
FIG. 1 is a schematic diagram of an environment-friendly high-temperature-resistant flame-retardant computer cable;
FIG. 2 is a schematic diagram of a portion A of an environment-friendly high-temperature-resistant flame-retardant computer cable according to the present invention;
fig. 3 is a detailed structural layer diagram of an environment-friendly high-temperature-resistant flame-retardant computer cable related to an outer protective layer.
In the figure: 1 inner protective layer, 2 cable core, 3 outer protective layer, 4 lead screw guide sleeve, 5 torsional spring, 6 elastic rope, 7 first spring, 8 square cavity, 9 connecting hole, 10 guard plate, 11 rotation groove, 12 lead screw, 13 inner flame retardant layer, 14 insulating layer, 15 hidden knob, 16 hidden groove, 17 worm, 18 tooth piece, 19 second spring, 20 telescopic link.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples
Referring to fig. 1-3, an environment-friendly high temperature resistant flame retardant computer cable comprises an inner protection layer 1, square cavities 8 are formed in the inner portion of one side of the bottom of the inner protection layer 1, rotating grooves are formed in the inner walls of two sides of the square cavities 8, outer protection layers 3 are fixedly welded on the outer surfaces of the inner protection layer 1, connecting holes 9 are formed between the two rotating grooves and the square cavities 8, pulleys are arranged in the two connecting holes 9, telescopic rods 20 are fixedly welded on the inner walls of the tops of the square cavities 8, tooth plates 18 are fixedly welded at the bottom ends of the telescopic rods 20, screw guide sleeves 4 are rotatably installed in the two rotating grooves, screw rods 12 are sleeved at one ends, close to each other, of the two screw guide sleeves 4 are fixedly connected with elastic ropes 6 in a threaded mode, one ends of the two elastic ropes 6 are fixedly arranged on the corresponding screw guide sleeves 4, the other ends of the two screw rods 12 are fixedly arranged on the tooth plates 18 through corresponding pulleys, protection plates 10 are rotatably installed at one ends, and a plurality of cable cores 2 are movably installed between the two protection plates 10.
The flame-retardant crosslinked polyethylene layer is prepared from the following raw materials in parts by weight:
silane coupling agent kh560 5, lignin 70, butyric anhydride 130, 1-methylimidazole 7, polyethylene 130, cross-linking agent taic 4, chlorinated paraffin 13, sp-80 2 and carbon nano tube 11.
Preferably, the preparation method of the material of the flame-retardant crosslinked polyethylene layer comprises the following steps:
(1) Adding carbon nanotubes into absolute ethyl alcohol with the weight being 20 times of that of the carbon nanotubes, uniformly stirring, adding a silane coupling agent kh560, and carrying out ultrasonic treatment for 2 hours to obtain silane dispersion liquid;
(2) Adding lignin into butyric anhydride, stirring uniformly, adding 1-methylimidazole, stirring at 110 ℃ for reaction for 25 hours, cooling to normal temperature, adding into the silane dispersion liquid, adding sp-80, stirring uniformly, standing for 3 hours, filtering, washing a filter cake with water, and drying in vacuum to obtain a composite filler;
(3) Mixing the composite filler with polyethylene, a cross-linking agent taic and chlorinated paraffin, uniformly stirring, sending into an extruder, melting, extruding and cooling to obtain the flame-retardant cross-linked polyethylene layer material.
The temperature of the vacuum drying in the step (2) is 100 ℃.
Examples
In the invention, the bottom of the inner protective layer 1 and the bottom of the outer protective layer 3 are provided with the same hidden groove 16 communicated with the square cavity 8, the worm 17 meshed with the tooth sheet 18 is rotatably arranged in the hidden groove 16, the bottom end of the worm 17 is fixedly sleeved with the knob 15, the rotation of the worm 17 is driven by rotating the hidden knob 15, and the worm 17 drives the downward movement of the tooth sheet 18.
In the invention, the outer protective layer 3 is specifically divided into three layers, the middle layer is the inner resistance layer 13, the outermost layer and the innermost layer are both insulation layers 14, the insulation layers 14 are flame-retardant crosslinked polyethylene layers, the flame-retardant effect can be achieved through the inner resistance layer 13 on the outer protective layer 3, the insulation effect can be achieved through the insulation layers 14, and the service life of the cable core 2 is prolonged.
According to the invention, the sliding rail is fixedly welded on the inner wall of the bottom of the inner protective layer 1, two sliding blocks are slidably arranged on the sliding rail, the two sliding blocks are fixedly connected with the corresponding protective plate 10 respectively, the same first spring 7 is fixedly welded between the two sliding blocks, the protective plate 10 is convenient to move through the sliding rail and the sliding blocks, the protective plate 10 is convenient to reset through the first spring 7, and the buffering effect is better.
In the invention, the two screw guide sleeves 4 are sleeved with the torsion springs 5, one ends of the torsion springs 5 are fixed on the corresponding screw guide sleeves 4, and the other ends of the torsion springs 5 are fixed on the inner walls of the corresponding rotating grooves, so that the screw guide sleeves 4 can be reset conveniently through the torsion springs 5.
In the invention, the telescopic rod 20 is sleeved with the second spring 19, one end of the second spring 19 is fixed on the telescopic rod 20, the other end is fixed on the tooth plate 18, and the second spring 19 is convenient for resetting the telescopic rod 20.
The flame-retardant crosslinked polyethylene layer is prepared from the following raw materials in parts by weight:
silane coupling agent kh560 3, lignin 60, butyric anhydride 120, 1-methylimidazole 5, polyethylene 110, cross-linking agent taic 3, chlorinated paraffin 10, sp-80 1 and carbon nano tube 5.
Preferably, the preparation method of the material of the flame-retardant crosslinked polyethylene layer comprises the following steps:
(1) Adding carbon nanotubes into absolute ethyl alcohol with the weight being 16 times of that of the carbon nanotubes, uniformly stirring, adding a silane coupling agent kh560, and carrying out ultrasonic treatment for 1 hour to obtain silane dispersion liquid;
(2) Adding lignin into butyric anhydride, stirring uniformly, adding 1-methylimidazole, stirring at 110 ℃ for reacting for 20 hours, cooling to normal temperature, adding into the silane dispersion liquid, adding sp-80, stirring uniformly, standing for 2 hours, filtering, washing a filter cake with water, and drying in vacuum to obtain a composite filler;
(3) Mixing the composite filler with polyethylene, a cross-linking agent taic and chlorinated paraffin, uniformly stirring, sending into an extruder, melting, extruding and cooling to obtain the flame-retardant cross-linked polyethylene layer material.
The temperature of the vacuum drying in the step (2) was 90 ℃.
Working principle: in the invention, in order to increase the buffering effect of the cable core 2, the worm 17 is driven to rotate by rotating the hiding knob 15, the worm 17 drives the tooth piece 18 to move downwards, the tooth piece 18 pulls the two elastic ropes 6 to drive the two screw rod guide sleeves 4 to rotate, namely, the two screw rods 12 can be driven to move oppositely, namely, the two protection plates 10 can be driven to move oppositely, namely, a plurality of cable cores 2 between the two protection plates 10 can be clamped and positioned in a variable manner, the buffering protection effect is achieved, and the damage to the cable core 2 caused by external impact is prevented.
The inner-resistance layer 13 on the outer protective layer 3 can play a role in flame retardance, and the insulation layer 14 can play a role in insulation, so that the service life of the cable core 2 is prolonged. The invention has simple structure and convenient use, and the computer cable has high temperature resistance, good buffering effect and long service life.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides an environment-friendly high temperature resistant fire-retardant computer cable, includes interior inoxidizing coating (1), its characterized in that, square chamber (8) have been seted up to the inside of bottom one side of interior inoxidizing coating (1) and all have been seted up on its both sides inner wall and have been offered rotation groove and the fixed welding of surface of interior inoxidizing coating (1) has outer inoxidizing coating (3), have been seted up connecting hole (9) between two rotation grooves all and square chamber (8), all be equipped with the pulley in two connecting holes (9), fixed welding has telescopic link (20) on the top inner wall of square chamber (8), the fixed welding of bottom of telescopic link (20) has toothed disc (18), and lead screw guide pin bushing (4) are installed in two rotation grooves all rotation, and lead screw guide pin bushing (4) all cup joint elastic cord (6) on two lead screw guide pin bushing (4) in the one end that are close to each other, and one end of two elastic cord (6) is fixed on corresponding lead screw guide pin bushing (4), and the other end that two lead screw (12) are close to each other is rotated and is installed guard plate (10), and install between two movable mounting cable (2);
the bottom of the inner protective layer (1) and the bottom of the outer protective layer (3) are provided with the same hidden groove (16) communicated with the square cavity (8), a worm (17) meshed with the tooth piece (18) is rotatably arranged in the hidden groove (16), and a knob (15) is fixedly sleeved at the bottom end of the worm (17);
the outer protective layer (3) is specifically divided into three layers, the middle layer is an inner resistance layer (13), the outermost layer and the innermost layer are both insulation layers (14), and the insulation layers (14) are flame-retardant crosslinked polyethylene layers;
a sliding rail is fixedly welded on the inner wall of the bottom of the inner protective layer (1), two sliding blocks are slidably arranged on the sliding rail, the two sliding blocks are fixedly connected with corresponding protective plates (10) respectively, and the same first spring (7) is fixedly welded between the two sliding blocks;
torsion springs (5) are sleeved on the two screw rod guide sleeves (4), one ends of the torsion springs (5) are fixed on the corresponding screw rod guide sleeves (4), and the other ends of the torsion springs are fixed on the inner walls of the corresponding rotating grooves;
the telescopic rod (20) is sleeved with a second spring (19), one end of the second spring (19) is fixed on the telescopic rod (20), and the other end of the second spring is fixed on the tooth plate (18).
2. The environment-friendly high-temperature-resistant flame-retardant computer cable according to claim 1, wherein the flame-retardant crosslinked polyethylene layer is prepared from the following raw materials in parts by weight:
silane coupling agent kh 560-5, lignin 60-70, butyric anhydride 120-130, 1-methylimidazole 5-7, polyethylene 110-130, cross-linking agent taic 3-4, chlorinated paraffin 10-13, sp-80 1-2 and carbon nano tube 5-11.
3. The environment-friendly high-temperature-resistant flame-retardant computer cable according to claim 2, wherein the preparation method of the flame-retardant crosslinked polyethylene layer comprises the following steps:
(1) Adding carbon nano tubes into absolute ethyl alcohol with the weight being 16-20 times of that of the carbon nano tubes, uniformly stirring, adding a silane coupling agent kh560, and carrying out ultrasonic treatment for 1-2 hours to obtain silane dispersion liquid;
(2) Adding lignin into butyric anhydride, stirring uniformly, adding 1-methylimidazole, stirring at 110 ℃ for reacting for 20-25 hours, cooling to normal temperature, adding into the silane dispersion liquid, adding sp-80, stirring uniformly, standing for 2-3 hours, filtering, washing a filter cake with water, and vacuum drying to obtain a composite filler;
(3) Mixing the composite filler with polyethylene, a cross-linking agent taic and chlorinated paraffin, uniformly stirring, sending into an extruder, melting, extruding and cooling to obtain the flame-retardant cross-linked polyethylene layer material.
4. An environmentally friendly high temperature resistant flame retardant computer cable according to claim 3, wherein the temperature of vacuum drying in step (2) is 90-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111327474.3A CN114038615B (en) | 2021-11-10 | 2021-11-10 | Environment-friendly high-temperature-resistant flame-retardant computer cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111327474.3A CN114038615B (en) | 2021-11-10 | 2021-11-10 | Environment-friendly high-temperature-resistant flame-retardant computer cable |
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| Publication Number | Publication Date |
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| CN114038615A CN114038615A (en) | 2022-02-11 |
| CN114038615B true CN114038615B (en) | 2023-07-18 |
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| CN213545990U (en) * | 2020-11-03 | 2021-06-25 | 安徽电缆股份有限公司 | Flat cable convenient to wall-attached is fixed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6664477B2 (en) * | 2000-07-06 | 2003-12-16 | Henry E. Fortin | Insulator band, wiring system, and kit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213545990U (en) * | 2020-11-03 | 2021-06-25 | 安徽电缆股份有限公司 | Flat cable convenient to wall-attached is fixed |
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