CN111952001A - Anti-aging stable digital signal communication cable - Google Patents
Anti-aging stable digital signal communication cable Download PDFInfo
- Publication number
- CN111952001A CN111952001A CN202010838341.1A CN202010838341A CN111952001A CN 111952001 A CN111952001 A CN 111952001A CN 202010838341 A CN202010838341 A CN 202010838341A CN 111952001 A CN111952001 A CN 111952001A
- Authority
- CN
- China
- Prior art keywords
- parts
- layer
- aging
- communication cable
- digital signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 71
- 238000004891 communication Methods 0.000 title claims abstract description 31
- 239000003063 flame retardant Substances 0.000 claims abstract description 24
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000032683 aging Effects 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 34
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 30
- 239000004800 polyvinyl chloride Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 17
- 238000009941 weaving Methods 0.000 claims description 16
- 239000004793 Polystyrene Substances 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 229920001684 low density polyethylene Polymers 0.000 claims description 15
- 239000004702 low-density polyethylene Substances 0.000 claims description 15
- 239000004014 plasticizer Substances 0.000 claims description 15
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 15
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 15
- 229920002223 polystyrene Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 210000003491 skin Anatomy 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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
- C08L27/02—Compositions 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
- C08L27/04—Compositions 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 chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
-
- 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
-
- 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
- H01B7/29—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
-
- 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an anti-aging stable digital signal communication cable which comprises a plurality of main cable cores, a reinforcing core and a shielding layer, wherein the main cable cores are circumferentially distributed around the reinforcing core; the aging speed of the cable can be slowed down through increasing the anti-aging layer, the service life of the cable is prolonged, the condition that the surface skin cracks of the cable is prevented, the inner structure of the cable is prevented from being exposed, the cable can normally transmit signals, meanwhile, the flame-retardant effect can be achieved through the flame-retardant layer, the safety surname is high, the effect of protection can be achieved through the increase of the flexible layer, and the cable is prevented from being damaged.
Description
Technical Field
The invention relates to the technical field of communication cables, in particular to an anti-aging stable digital signal communication cable.
Background
The digital communication cable industry is the second industry in China, which is second to the automobile industry, and with the continuous expansion of the scale of the industries such as the China power industry, the data communication industry, the urban rail transit industry, the automobile industry, shipbuilding and the like, the demand on wires and cables will also increase rapidly, and the wire and cable industry has huge development potential in the future.
The current digital communication cable ageing resistance is relatively poor, and after using a period, certain ageing can take place for the cable, leads to the quality reduction of cable, and the condition of epidermis fracture can take place for ageing cable, makes inside metal structure expose, can cause certain influence to the transmission effect of communication cable, probably takes place the cracked condition of cable when serious, and it is comparatively inconvenient to use.
Based on the above, the present invention provides an anti-aging stable digital signal communication cable, so as to solve the above mentioned problems.
Disclosure of Invention
The invention aims to provide an anti-aging stable digital signal communication cable, which can slow down the aging speed of the cable by adding an anti-aging layer, prolong the service life of the cable, prevent the cable from cracking on the surface skin, avoid the structure inside the cable from being exposed, ensure the normal signal transmission of the cable, play a role in flame retardance through a flame retardant layer, has high safety surname, play a role in protection by adding a flexible layer, avoid the cable from being damaged, and solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ageing resistance stable form digital signal communication cable, includes many thread core, strengthens core and shielding layer, many the thread core becomes the circumference around strengthening the core and distributes, the shielding layer overlaps in many thread core outsides, it has polyethylene rubber to fill between shielding layer and the many thread core, the shielding layer outside cover has fire-retardant layer, fire-retardant layer outside cover has the flexible layer, the flexible layer outside cover has the armor, armor outside cover has anti-aging layer, anti-aging layer outside cover has the protective skin layer.
Preferably, four groups of main wire cores are arranged, each main wire core is two twisted pairs twisted with each other, and each twisted pair is formed by twisting two copper wires sheathed with an insulating layer.
Preferably, the armor layer is formed by weaving tin-plated aluminum alloy wires, and the weaving density of the armor layer is not less than 85%.
Preferably, the flame retardant layer is made of one or a mixture of magnesium hydroxide and aluminum hydroxide.
Preferably, the anti-aging layer is made of the following materials in parts by weight: 20-30 parts of PVC (polyvinyl chloride) resin, 6-8 parts of fatty alcohol-polyoxyethylene ether, 10-14 parts of low-density polyethylene, 4-6 parts of polystyrene, 1-2 parts of an adhesive, 1-3 parts of a plasticizer, 5-9 parts of an anti-aging agent, 1-2 parts of a curing agent and 2-4 parts of a stabilizer.
Preferably, the anti-aging layer is made of the following materials in parts by weight: 25 parts of PVC polyvinyl chloride resin, 7 parts of fatty alcohol-polyoxyethylene ether, 12 parts of low-density polyethylene, 5 parts of polystyrene, 1.5 parts of adhesive, 2 parts of plasticizer, 7 parts of anti-aging agent, 1.5 parts of curing agent and 3 parts of stabilizer.
Preferably, the anti-aging layer is made of the following materials in parts by weight: 20 parts of PVC polyvinyl chloride resin, 6 parts of fatty alcohol-polyoxyethylene ether, 10 parts of low-density polyethylene, 4 parts of polystyrene, 1 part of adhesive, 1 part of plasticizer, 5 parts of anti-aging agent, 1 part of curing agent and 2 parts of stabilizer.
Preferably, the anti-aging layer is made of the following materials in parts by weight: 30 parts of PVC polyvinyl chloride resin, 8 parts of fatty alcohol-polyoxyethylene ether, 14 parts of low-density polyethylene, 6 parts of polystyrene, 2 parts of adhesive, 3 parts of plasticizer, 9 parts of anti-aging agent, 2 parts of curing agent and 4 parts of stabilizer.
Preferably, the anti-aging agent is composed of N-phenyl-N' -isopropyl-p-phenylenediamine.
The manufacturing method of the communication cable comprises the following steps:
s1, selecting copper wires, and stranding the copper wires into twisted pairs through a stranding machine to obtain a main wire core;
s2, arranging the main wire core around the reinforced core in a circumferential manner, extruding and wrapping the shielding layer on the outer side of the main wire core through an extruding machine, and filling polyethylene rubber;
s3, wrapping a flame-retardant layer outside the shielding layer, wrapping a flexible layer outside the flame-retardant layer, and weaving an armor layer outside the flexible layer, wherein the weaving density is 88%;
s4, preparing an anti-aging layer:
s41, weighing and mixing PVC polyvinyl chloride resin, fatty alcohol-polyoxyethylene ether, low-density polyethylene, polystyrene, an adhesive and a plasticizer according to a ratio, adding a proper amount of water, and stirring in a high-temperature reaction kettle to enable the mixture to be viscous, wherein the stirring temperature is 120-150 ℃;
s42, standing the mixture at 80 ℃ for 20 min;
s43, adding an anti-aging agent and a curing agent which are weighed according to a ratio into the mixture, and stirring in a high-temperature reaction kettle at the stirring temperature of 200-220 ℃;
s44, taking out the mixture, and cooling to normal temperature to obtain an anti-aging layer;
and S5, extruding the anti-aging layer by using an extruding machine, and then wrapping a protective skin layer on the outer side of the anti-aging layer to obtain the communication cable.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the anti-aging cable, the aging speed of the cable can be slowed down by adding the anti-aging layer, the service life of the cable is prolonged, the situation that the outer skin of the cable is cracked is prevented, the internal structure of the cable is prevented from being exposed, the cable can normally transmit signals, meanwhile, the anti-flaming layer can play a role in flame retardance, the safety is high, the flexible layer is added, the protection effect can be achieved, and the cable is prevented from being damaged.
2. According to the invention, the anti-aging layer is composed of PVC polyvinyl chloride resin, fatty alcohol-polyoxyethylene ether, low-density polyethylene, polystyrene, an adhesive, a plasticizer, an anti-aging agent, a curing agent and a stabilizer, so that the anti-aging layer is good in anti-aging effect, and has an anti-corrosion and anti-mildew effect, and the quality of the cable is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a communication cable according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides an anti-aging stable digital signal communication cable, which includes: including many principal cores 3, reinforcement core 1 and shielding layer 4, many principal core 3 becomes the circumference around reinforcement core 1 and distributes, shielding layer 4 overlaps in many principal cores 3 outsides, it has polyethylene rubber 2 to fill between shielding layer 4 and many principal cores 3, shielding layer 4 outside cover has fire-retardant layer 5, fire-retardant layer 5 outside cover has flexible layer 6, flexible layer 6 outside cover has armor 7, armor 7 outside cover has ageing resistance layer 8, ageing resistance layer 8 outside cover has protection cortex 9.
The main wire cores 3 are four groups, the main wire cores 3 are two twisted pairs which are twisted with each other, and the twisted pairs are two copper wires which are sheathed with insulating layers.
The armor layer 7 is formed by weaving tinned aluminum alloy wires, the weaving density of the armor layer 7 is not less than 85%, and the flame retardant layer 5 is made of one or a mixture of magnesium hydroxide and aluminum hydroxide.
The anti-aging layer 8 is made of the following materials in parts by weight: 25 parts of PVC polyvinyl chloride resin, 7 parts of fatty alcohol-polyoxyethylene ether, 12 parts of low-density polyethylene, 5 parts of polystyrene, 1.5 parts of adhesive, 2 parts of plasticizer, 7 parts of anti-aging agent, 1.5 parts of curing agent and 3 parts of stabilizer, wherein the anti-aging agent is composed of N-phenyl-N' -isopropyl-p-phenylenediamine.
Example 2
Referring to fig. 1, the present invention provides an anti-aging stable digital signal communication cable, which includes: including many principal cores 3, reinforcement core 1 and shielding layer 4, many principal core 3 becomes the circumference around reinforcement core 1 and distributes, shielding layer 4 overlaps in many principal cores 3 outsides, it has polyethylene rubber 2 to fill between shielding layer 4 and many principal cores 3, shielding layer 4 outside cover has fire-retardant layer 5, fire-retardant layer 5 outside cover has flexible layer 6, flexible layer 6 outside cover has armor 7, armor 7 outside cover has ageing resistance layer 8, ageing resistance layer 8 outside cover has protection cortex 9.
The main wire cores 3 are four groups, the main wire cores 3 are two twisted pairs which are twisted with each other, and the twisted pairs are two copper wires which are sheathed with insulating layers.
The armor layer 7 is formed by weaving tinned aluminum alloy wires, the weaving density of the armor layer 7 is not less than 85%, and the flame retardant layer 5 is made of one or a mixture of magnesium hydroxide and aluminum hydroxide.
The anti-aging layer 8 is made of the following materials in parts by weight: 20 parts of PVC polyvinyl chloride resin, 6 parts of fatty alcohol-polyoxyethylene ether, 10 parts of low-density polyethylene, 4 parts of polystyrene, 1 part of adhesive, 1 part of plasticizer, 5 parts of anti-aging agent, 1 part of curing agent and 2 parts of stabilizer.
Example 3
Referring to fig. 1, the present invention provides an anti-aging stable digital signal communication cable, which includes: including many principal cores 3, reinforcement core 1 and shielding layer 4, many principal core 3 becomes the circumference around reinforcement core 1 and distributes, shielding layer 4 overlaps in many principal cores 3 outsides, it has polyethylene rubber 2 to fill between shielding layer 4 and many principal cores 3, shielding layer 4 outside cover has fire-retardant layer 5, fire-retardant layer 5 outside cover has flexible layer 6, flexible layer 6 outside cover has armor 7, armor 7 outside cover has ageing resistance layer 8, ageing resistance layer 8 outside cover has protection cortex 9.
The main wire cores 3 are four groups, the main wire cores 3 are two twisted pairs which are twisted with each other, and the twisted pairs are two copper wires which are sheathed with insulating layers.
The armor layer 7 is formed by weaving tinned aluminum alloy wires, the weaving density of the armor layer 7 is not less than 85%, and the flame retardant layer 5 is made of one or a mixture of magnesium hydroxide and aluminum hydroxide.
The anti-aging layer 8 is made of the following materials in parts by weight: 30 parts of PVC polyvinyl chloride resin, 8 parts of fatty alcohol-polyoxyethylene ether, 14 parts of low-density polyethylene, 6 parts of polystyrene, 2 parts of adhesive, 3 parts of plasticizer, 9 parts of anti-aging agent, 2 parts of curing agent and 4 parts of stabilizer, wherein the anti-aging agent is composed of N-phenyl-N' -isopropyl-p-phenylenediamine.
The specific working principle is as follows:
s1, selecting copper wires, and stranding the copper wires into twisted pairs through a stranding machine to obtain a main wire core 3;
s2, arranging the main wire core 3 around the reinforced core 1 in a circumferential manner, extruding the shielding layer 4 on the outer side of the main wire core 3 through an extruding machine, and filling polyethylene rubber 2;
s3, wrapping a flame-retardant layer 5 on the outer side of a shielding layer 4, wrapping a flexible layer 6 on the outer side of the flame-retardant layer 5, and weaving an armor layer 7 on the outer side of the flexible layer 6, wherein the weaving density is 88%;
s4, preparing an anti-aging layer:
s41, weighing and mixing PVC polyvinyl chloride resin, fatty alcohol-polyoxyethylene ether, low-density polyethylene, polystyrene, an adhesive and a plasticizer according to a ratio, adding a proper amount of water, and stirring in a high-temperature reaction kettle to enable the mixture to be viscous, wherein the stirring temperature is 120-150 ℃;
s42, standing the mixture at 80 ℃ for 20 min;
s43, adding an anti-aging agent and a curing agent which are weighed according to a ratio into the mixture, and stirring in a high-temperature reaction kettle at the stirring temperature of 200-220 ℃;
s44, taking out the mixture, and cooling to normal temperature to obtain an anti-aging layer;
s5, the anti-aging layer is wrapped by an extruding machine, and then the protective skin layer 9 is wrapped on the outer side of the anti-aging layer, so that the communication cable can be obtained.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an ageing resistance stable form digital signal communication cable which characterized in that: including many principal cores (3), reinforcement core (1) and shielding layer (4), many principal core (3) become the circumference around reinforcement core (1) and distribute, shielding layer (4) cover in many principal cores (3) outside, it has polyethylene rubber (2) to fill between shielding layer (4) and many principal cores (3), shielding layer (4) outside cover has fire-retardant layer (5), fire-retardant layer (5) outside cover has flexible layer (6), flexible layer (6) outside cover has armor (7), armor (7) outside cover has anti-aging layer (8), anti-aging layer (8) outside cover has protection cortex (9).
2. The anti-aging stabilized digital signal communication cable according to claim 1, wherein: the four groups of the main wire cores (3) are arranged, the main wire cores (3) are two twisted pairs which are twisted with each other, and the twisted pairs are two copper wires which are sheathed with insulating layers.
3. The anti-aging stabilized digital signal communication cable according to claim 1, wherein: the armor layer (7) is formed by weaving tinned aluminum alloy wires, and the weaving density of the armor layer (7) is not less than 85%.
4. The anti-aging stabilized digital signal communication cable according to claim 1, wherein: the flame-retardant layer (5) is made of one or a mixture of two of magnesium hydroxide and aluminum hydroxide.
5. The anti-aging stabilized digital signal communication cable according to claim 1, wherein: the anti-aging layer (8) is made of the following materials in parts by weight: 20-30 parts of PVC (polyvinyl chloride) resin, 6-8 parts of fatty alcohol-polyoxyethylene ether, 10-14 parts of low-density polyethylene, 4-6 parts of polystyrene, 1-2 parts of an adhesive, 1-3 parts of a plasticizer, 5-9 parts of an anti-aging agent, 1-2 parts of a curing agent and 2-4 parts of a stabilizer.
6. The anti-aging stabilized digital signal communication cable according to claim 5, wherein: the anti-aging layer (8) is made of the following materials in parts by weight: 25 parts of PVC polyvinyl chloride resin, 7 parts of fatty alcohol-polyoxyethylene ether, 12 parts of low-density polyethylene, 5 parts of polystyrene, 1.5 parts of adhesive, 2 parts of plasticizer, 7 parts of anti-aging agent, 1.5 parts of curing agent and 3 parts of stabilizer.
7. The anti-aging stabilized digital signal communication cable according to claim 5, wherein: the anti-aging layer (8) is made of the following materials in parts by weight: 20 parts of PVC polyvinyl chloride resin, 6 parts of fatty alcohol-polyoxyethylene ether, 10 parts of low-density polyethylene, 4 parts of polystyrene, 1 part of adhesive, 1 part of plasticizer, 5 parts of anti-aging agent, 1 part of curing agent and 2 parts of stabilizer.
8. The anti-aging stabilized digital signal communication cable according to claim 5, wherein: the anti-aging layer (8) is made of the following materials in parts by weight: 30 parts of PVC polyvinyl chloride resin, 8 parts of fatty alcohol-polyoxyethylene ether, 14 parts of low-density polyethylene, 6 parts of polystyrene, 2 parts of adhesive, 3 parts of plasticizer, 9 parts of anti-aging agent, 2 parts of curing agent and 4 parts of stabilizer.
9. The anti-aging stabilized digital signal communication cable according to claim 5, wherein: the anti-aging agent is composed of N-phenyl-N' -isopropyl-p-phenylenediamine.
10. The anti-aging stabilized digital signal communication cable according to claims 1-9, wherein: the manufacturing method of the communication cable comprises the following steps:
s1, selecting copper wires, and stranding the copper wires into twisted pairs through a stranding machine to obtain a main wire core (3);
s2, arranging the main wire core (3) circumferentially around the reinforced core (1), extruding and wrapping the shielding layer (4) on the outer side of the main wire core (3) through an extruding machine, and filling polyethylene rubber (2);
s3, wrapping a flame-retardant layer (5) on the outer side of a shielding layer (4), wrapping a flexible layer (6) on the outer side of the flame-retardant layer (5), and weaving an armor layer (7) on the outer side of the flexible layer (6), wherein the weaving density is 88%;
s4, preparing an anti-aging layer:
s41, weighing and mixing PVC polyvinyl chloride resin, fatty alcohol-polyoxyethylene ether, low-density polyethylene, polystyrene, an adhesive and a plasticizer according to a ratio, adding a proper amount of water, and stirring in a high-temperature reaction kettle to make the mixture viscous, wherein the stirring temperature is 120-150 ℃.
S42, standing the mixture at 80 ℃ for 20 min.
S43, adding an anti-aging agent and a curing agent which are weighed according to a ratio into the mixture, and stirring in a high-temperature reaction kettle at the stirring temperature of 200-220 ℃;
s44, taking out the mixture, and cooling to normal temperature to obtain an anti-aging layer;
s5, the anti-aging layer is wrapped by an extruding machine, and then the protective skin layer (9) is wrapped on the outer side of the anti-aging layer, so that the communication cable can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010838341.1A CN111952001A (en) | 2020-08-19 | 2020-08-19 | Anti-aging stable digital signal communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010838341.1A CN111952001A (en) | 2020-08-19 | 2020-08-19 | Anti-aging stable digital signal communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111952001A true CN111952001A (en) | 2020-11-17 |
Family
ID=73358983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010838341.1A Pending CN111952001A (en) | 2020-08-19 | 2020-08-19 | Anti-aging stable digital signal communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111952001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223764A (en) * | 2021-05-06 | 2021-08-06 | 安徽锦标电气科技有限公司 | Novel low temperature resistant stretch-proofing fills electric pile cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074640A (en) * | 1990-12-14 | 1991-12-24 | At&T Bell Laboratories | Cables which include non-halogenated plastic materials |
| CN2572518Y (en) * | 2002-07-30 | 2003-09-10 | 吴江市通号线缆有限公司 | High-shielding aging-resistant railway signal cable |
| CN103554754A (en) * | 2013-10-29 | 2014-02-05 | 绿宝电缆（集团）有限公司 | Temperature-resistant and flame-retardant modified polyvinyl chloride cable sheath material |
| CN203689940U (en) * | 2013-10-15 | 2014-07-02 | 芜湖航天特种电缆厂 | Environment-friendly signal flexible cable with light weight, cold resistance, tensile properties, wire resistance and flame retardancy |
| CN105810351A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | Metro low frequency communication signal transmission cable and manufacturing method thereof |
| CN205692591U (en) * | 2016-06-14 | 2016-11-16 | 长沙汉河电缆有限公司 | A kind of flexible industrial cable of Resisting fractre |
-
2020
- 2020-08-19 CN CN202010838341.1A patent/CN111952001A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074640A (en) * | 1990-12-14 | 1991-12-24 | At&T Bell Laboratories | Cables which include non-halogenated plastic materials |
| CN2572518Y (en) * | 2002-07-30 | 2003-09-10 | 吴江市通号线缆有限公司 | High-shielding aging-resistant railway signal cable |
| CN203689940U (en) * | 2013-10-15 | 2014-07-02 | 芜湖航天特种电缆厂 | Environment-friendly signal flexible cable with light weight, cold resistance, tensile properties, wire resistance and flame retardancy |
| CN103554754A (en) * | 2013-10-29 | 2014-02-05 | 绿宝电缆（集团）有限公司 | Temperature-resistant and flame-retardant modified polyvinyl chloride cable sheath material |
| CN105810351A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | Metro low frequency communication signal transmission cable and manufacturing method thereof |
| CN205692591U (en) * | 2016-06-14 | 2016-11-16 | 长沙汉河电缆有限公司 | A kind of flexible industrial cable of Resisting fractre |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223764A (en) * | 2021-05-06 | 2021-08-06 | 安徽锦标电气科技有限公司 | Novel low temperature resistant stretch-proofing fills electric pile cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104835565A (en) | Cable for new energy automobile charging device and preparation method thereof | |
| CN111952001A (en) | Anti-aging stable digital signal communication cable | |
| CN106409384A (en) | Multi-core fire-resistant power cable | |
| CN110675984B (en) | High-temperature-resistant metallurgical vehicle-mounted flexible cable and production process thereof | |
| CN209859668U (en) | Acid-base-proof cable | |
| CN106448852A (en) | Safe and reliable special mining cable | |
| CN113223764B (en) | Low-temperature-resistant stretch-proofing charging pile cable | |
| CN216647883U (en) | Waterproof flame-retardant cable | |
| CN210805305U (en) | High-temperature-resistant metallurgical vehicle-mounted flexible cable | |
| CN215298888U (en) | Stranded composite core wire | |
| CN213904999U (en) | Waterproof and flame-retardant transmission cable | |
| CN209199617U (en) | Ships waterproof heat resistant signal control line structure | |
| CN211980236U (en) | Environment-friendly insulation type power cable | |
| CN207938331U (en) | Wires for the internal connection of the new micro-drone | |
| CN214253936U (en) | Cable for explosion-proof electrical equipment | |
| CN107799203A (en) | A kind of power line and its stranding method | |
| CN222145846U (en) | Anti-bending and anti-deformation electric vehicle charging cable | |
| CN214312696U (en) | Rubber jacketed flexible cable for hydraulic engineering observation | |
| CN215643803U (en) | High-temperature-resistant anti-cracking power cable | |
| CN103996440A (en) | Light watertight cable and manufacturing method thereof | |
| CN215342032U (en) | Cable with good weather resistance | |
| CN216014885U (en) | High-voltage-resistant reinforced insulation motor cable | |
| CN217157760U (en) | Cable with good compression resistance | |
| CN212084712U (en) | Acid and alkali resistant cable | |
| CN221507797U (en) | Composite multifunctional environment-friendly charging pile cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201117 |