CN108198661A - Environmental protection flame retardant composite optical/electrical cable - Google Patents

Environmental protection flame retardant composite optical/electrical cable Download PDF

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Publication number
CN108198661A
CN108198661A CN201711451903.1A CN201711451903A CN108198661A CN 108198661 A CN108198661 A CN 108198661A CN 201711451903 A CN201711451903 A CN 201711451903A CN 108198661 A CN108198661 A CN 108198661A
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cable
parts
optical
flame retardant
environmental protection
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杨丽芳
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Nanjing Chuqing Electronic Technology Co Ltd
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Nanjing Chuqing Electronic Technology Co Ltd
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Priority to CN201711451903.1A priority Critical patent/CN108198661A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/4436—Heat resistant
    • 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
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • 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
    • 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
    • H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
    • H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • 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
    • H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
    • 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
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • H01B7/295—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
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three 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
    • C08L2207/062—HDPE

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The present invention discloses a kind of environmental protection flame retardant composite optical/electrical, including optical cable core, cable conductor and cable jacket, three cable conductors are equipped with around the optical cable core is parallel, strengthen connector by cable between optical cable core and three cable conductors to be fixedly connected, three cable conductors, optical cable core and cable are strengthened connector and are covered by cable jacket, and cable jacket is environment-friendlyflame-retardant flame-retardant material.The environmental protection flame retardant composite optical/electrical cable of the present invention realizes the compound of optical cable and cable, it ensure that the performance of flame-retardant, and tensile strength is high, even if cable occurs that during short circuit accident optical cable will not be burnt out, optical cable still can safety transmission signal, it realizes and comprehensive optical fiber is protected to greatest extent, waterstop and steel band ensure that optical cable has good water preventing ability and protection against rodents property, cable jacket is free of harmful heavy metal and halogenated hydrocarbons, with excellent flame retardant effect, it is low with dielectric loss, the big electrical property of dielectric strength, it disclosure satisfy that specific use environment.

Description

Environmental protection flame retardant composite optical/electrical cable
Technical field
The present invention relates to technical field of communication cables, more particularly to a kind of environmental protection flame retardant composite optical/electrical cable.
Background technology
With the fast development that 4G mobile networks build, for communication terminal devices such as various mobile base stations, in addition to solve The transmission problem of certainly various row informations up and down, while also to solve local the problems such as often occurring having a power failure or taking electric difficulty.Photoelectricity Cable is mixed as a kind of novel product that can be transmitted optical signal but also transmit electric energy, undoubtedly becomes strange land and stablizes the reason for taking electricity Want to select.If optical cable, power cord are individual product, laying can only be just performed in multiple times, the expense not only purchased compares Greatly, construction cost is also higher, and using photoelectric mixed cable with regard to that can solve the above problems.
But different cable transmissions is respectively adopted in communication signal and electric energy in the prior art, although by signal is transmitted The optical cable combination of optical cable and transmission electric energy, due to being not provided with shielded layer, easily interferes with each other between the two, whole fire protecting performance compared with Difference.For a long time, the dosage of polyvinyl chloride (PVC) accounts for nearly 80% in electric wire and cable material.Due to containing in PVC cable material The harmful heavy metals such as lead, tin, barium, and PVC can generate in combustion with the gases such as toxicity and corrosive hydrogen chloride and Violent dense smoke, therefore people transfer to study crosslinked polyetylene insulated communication cable, improve its flame retardant property.
Invention content
For solution more than technical problem, the present invention provides environmental protection flame retardant composite optical/electrical cable, to solve composite cable same When transmission optical signal and electric signal during, easily interfere with each other between the two, and mechanical property and flame retardant effect are poor, contain Evil heavy metal and halogenated hydrocarbons, it is impossible to the problem of meeting specific use environment.
The technical solution adopted by the present invention is as follows：A kind of environmental protection flame retardant composite optical/electrical cable, including optical cable core, cable Core and cable jacket, key are：Be equipped with three cable conductors around the optical cable core is parallel, the optical cable core and Strengthen connector by cable between three cable conductors to be fixedly connected, three cable conductors, the optical cable core Strengthen connector with the cable to be covered by the cable jacket, the cable jacket is environment-friendlyflame-retardant flame-retardant material；
The environment-friendlyflame-retardant flame-retardant material is made of the raw material of following mass fraction：It is 50-70 parts of high density polyethylene (HDPE), epoxy-modified 20-35 parts of polyurethane, 3-9 parts from aggressiveness of ethylene-acrylic acid magnesium, 15-25 parts of reactive-type flame retardant, 1-5 parts of antioxidant, lubricant 2-15 parts, 3-10 parts of UV resistant agent；
The epoxy modified polyurethane is made of the raw material of following mass fraction：
30~45 parts of polyether polyol, 35~55 parts of toluene di-isocyanate(TDI), tetrahydrophthalic acid 2-glycidyl ester 15-25 parts, 8-12 parts of 1,4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyl tetrahydrophthalic anhydride and 2, 3,6- tri- 1~5 part of (dimethylamino methyl) phenol.
Preferably, the mass fraction of the raw material is：65 parts of high density polyethylene (HDPE), 22 parts of epoxy modified polyurethane, ethylene- 5 parts from aggressiveness of Magnesium Acrylate Prepared, 18 parts of reactive-type flame retardant, 2 parts of antioxidant, 10 parts of lubricant, 4 parts of UV resistant agent；The ring Oxygen modified polyurethane is by 35 parts of polyether polyol, 40 parts of toluene di-isocyanate(TDI), tetrahydrophthalic acid 2-glycidyl ester 21 Part, 9 parts of 1,4-butanediol, 18 parts of trimethylolpropane, 21 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- (dimethylamino Methyl) 3 parts of compositions of phenol.
Preferably, the epoxy modified polyurethane is obtained using following methods：Macromolecule polyol is put into reaction kettle, It is heated to 120 DEG C of reflux dewatering 1h while stirring, adds in toluene di-isocyanate(TDI) when being then cooled to 50 DEG C, is to slowly warm up to 80 DEG C, 4-6h is stirred to react, obtains base polyurethane prepolymer for use as；By tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, very Sky dehydration 1-3 hours, after being cooled to 60 DEG C, sequentially add the base polyurethane prepolymer for use as, 1,4-butanediol, trimethylolpropane, Methyl tetrahydrophthalic anhydride and 2,3,6- tri- (dimethylamino methyl) phenol, is warming up to 70-90 DEG C, it is small to be stirred to react 6-8 When, obtain the epoxy modified polyurethane.
Preferably, the macromolecule polyol is the polyether Glycols that molecular weight is 1000.
Preferably, the reactive-type flame retardant is obtained using following methods：Under nitrogen protection, Vitrified powder is added in into molar ratio For (1-5)：(2-8)：In the mixed solution of 10 dimethyldichlorosilanes, n,N-Dimethylaniline and hexamethylene diamine, it is uniformly dispersed, 1~6h of insulation reaction at 30~70 DEG C, and pH value is made to be 5~6, continue that phenyl phosphinylidyne dichloro, benzene are added dropwise while stirring The molar ratio of base phosphorothioic dichlorides and hexamethylene diamine is (1-5)：10, and 80~110 DEG C are warming up to, insulation reaction 12 hours~27 Hour, cooling obtains the reactive-type flame retardant.
Preferably, the Vitrified powder is one or more of alundum (Al2O3), diboron trioxide, silica Mixture；The UV resistant agent is polyethylene black masterbatch；The antioxidant is tetrapentaerythritol ester or thio dioctyl phthalate Dilauryl；The lubricant is stearic acid or oleic acid.
Preferably, it is Y type skeletons that the cable, which strengthens connector, and the center of the Y type skeletons is equipped with the optical cable core, The external part of the Y type skeletons is fixedly connected respectively with three cable conductors, is set between adjacent two cable conductors There are one spacer, the spacer, Y types skeleton are consistent with the length direction of the optical cable core, three spacers Inner end is fixedly connected respectively with the Y types skeleton.
Preferably, the optical cable core include optical fiber, reinforcer and cable jacket, the reinforcer be four, described four A reinforcer is evenly around the fiber distribution, the length direction one of the length direction of the reinforcer and the optical fiber It causes, the optical fiber and the reinforcer are arranged in the cable jacket；The reinforcer for high-strength stainless steel steel wire or Fibre bundle, the optical fiber are the G.657A2 insensitive optical fiber of type bending loss, and the cable jacket is protected for cross-linked polyolefin optical cable Set.
Preferably, the cable conductor includes conductor and the insulating layer that is wrapped in outside the conductor, the conductor and described Flame retardant coating is equipped between insulating layer；The conductor is annealed copper wire, and the flame retardant coating is mica tape, and the insulating layer is crosslinked polyolefin Hydrocarbon.
Preferably, from inside to outside successively covered with water blocking tape layer and steel belt layer, the light on the inner wall of the cable jacket Cable cable core, the cable conductor, cable are strengthened being filled with filler in the gap between connector and the water blocking tape layer.
Advantageous effect：Compared with prior art, environmental protection flame retardant composite optical/electrical cable of the invention realizes optical cable and cable It is compound, ensure that the performance of fiber optic cable flame retardant fire resisting, improve the flame-retarding performance rate in application environment, and tension is strong Degree is high, and it is without damage to protect optical fiber.Flame retardant coating is equipped in cable conductor, improves the fire resistance of cable, strengthens connector It being spaced apart optical cable and cable, it is ensured that cable occurs that during short circuit accident optical cable will not be burnt out, and optical cable still can pacify Full transmission signal, and protection can be supported to optical fiber with reinforcer collective effect, it realizes comprehensive to greatest extent to light Fibre is protected, and waterstop ensures that optical cable has good water preventing ability, and steel band can ensure that optical cable has good protection against rodents jointly Property；Cable jacket is using polyethylene as major ingredient so that sheath is nonpolarity, has the electrical property that dielectric loss is low, dielectric strength is big, adds Enter epoxy modified polyurethane to be used cooperatively from aggressiveness with ethylene-acrylic acid magnesium, there is good filler inclusiveness and cross linkable, Also improve tensile strength and elongation；The epoxy modified polyurethane of reference, polyurethane and epoxy resin form largely forever It tangles long, has mutually been formed there through the structure of interpenetrating networks, there is prominent positive cooperativity；It introduces reactive-type flame retardant and passes through two Dimethyl dichlorosilane (DMCS) is modified, it is made uniformly and stably to disperse in the reaction system, to improve the binding force with major ingredient, and height is occurring During warm ablation, ceramic material is formed after absorbing heat, with the raising of ablation temperature and the extension of ablation time, the pottery of formation Porcelain material can be increasingly harder, significantly improves the flame retardant effect of the present invention, greatly reduces the possibility caused danger.This hair It is bright to be free of harmful heavy metal, without halogenated hydrocarbons, there is excellent flame retardant effect, even if burning will not generate a large amount of toxic gases With violent dense smoke, good processing performance and heat resistance are also equipped with, intensity is high, flexibility is good, and heat resistant, oil resistant oozes Thoroughly, chemically-resistant solvent, service life is long, disclosure satisfy that specific use environment, and market application foreground is wide.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
For those skilled in the art is made to be better understood from technical scheme of the present invention, with reference to subordinate list and specific embodiment party Formula elaborates to the present invention.
Embodiment 1
As shown in fig. 1, a kind of environmental protection flame retardant composite optical/electrical cable is protected including optical cable core 1, cable conductor 2 and cable Set 4 is equipped with three cable conductors 2 around the optical cable core 1 is parallel, and it is Y type skeletons that the cable, which strengthens connector 3, The center of the Y type skeletons is equipped with the optical cable core 1, and the external part of the Y type skeletons is solid with three cable conductors 2 respectively Fixed connection, sets that there are one spacer 5, the spacer 5, Y types skeleton and the light between adjacent two cable conductors 2 The length direction of cable cable core 1 is consistent, and the inner end of three spacers 5 is fixedly connected respectively with the Y types skeleton, the cable From inside to outside successively covered with water blocking tape layer 6 and steel belt layer 7, the optical cable core 1, the cable conductor on the inner wall of sheath 4 2nd, cable is strengthened hindering for environmental protection filled with filler 8, the cable jacket 4 in the gap between connector 3 and the water blocking tape layer 6 Combustible material；
The optical cable core 1 includes optical fiber 11, reinforcer 12 and cable jacket 13, and the reinforcer 12 is four, described Four reinforcers 12 are distributed evenly around the optical fiber 11, the length of the length direction of the reinforcer 12 and the optical fiber 11 Degree direction is consistent, and the optical fiber 11 and the reinforcer 12 are arranged in the cable jacket 13；The reinforcer 12 is height Intensity stainless steel steel wire or fibre bundle, the optical fiber is G.657A2 the insensitive optical fiber of type bending loss, the cable jacket 13 are Cross-linked polyolefin cable jacket；
The cable conductor 2 includes conductor 21 and the insulating layer 22 being wrapped in outside the conductor 21, the conductor 21 and institute It states and flame retardant coating 23 is equipped between insulating layer 22；The conductor 21 be annealed copper wire, the flame retardant coating 23 be mica tape, the insulating layer 22 be cross-linked polyolefin；
The environment-friendlyflame-retardant flame-retardant material by 50 parts of high density polyethylene (HDPE), 20 parts of epoxy modified polyurethane, ethylene-acrylic acid magnesium from 3 parts of 3 parts of aggressiveness, 15 parts of reactive-type flame retardant, 1 part of tetrapentaerythritol ester, 2 parts of stearic acid, polyethylene black masterbatch compositions；
Wherein described epoxy modified polyurethane is obtained using following methods：By in 30 parts of input reaction kettles of polyether polyol, It is heated to 120 DEG C of reflux dewatering 1h while stirring, 35 parts of toluene di-isocyanate(TDI) is added in when being then cooled to 50 DEG C, is slowly heated up To 80 DEG C, 4-6h is stirred to react, obtains base polyurethane prepolymer for use as；By 15 parts of tetrahydrophthalic acid 2-glycidyl ester in 80 DEG C of items Under part, vacuum dehydration 1-3 hours after being cooled to 60 DEG C, sequentially adds the base polyurethane prepolymer for use as, 8 parts of 1,4-butanediol, three hydroxyls 15 parts of methylpropane, 16 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 1 part of (dimethylamino methyl) phenol are warming up to It 70-90 DEG C, is stirred to react 6-8 hours, obtains the epoxy modified polyurethane, the macromolecule polyol is that molecular weight is 1000 Polyether Glycols.
The reactive-type flame retardant is obtained using following methods：Under nitrogen protection, it is by alundum (Al2O3) addition molar ratio 1：2：It in the mixed solution of 10 dimethyldichlorosilanes, n,N-Dimethylaniline and hexamethylene diamine, is uniformly dispersed, in 30~70 DEG C 1~6h of lower insulation reaction, and pH value is made to be 5~6, continue that phenyl phosphinylidyne dichloro, phenyl phosphinylidyne are added dropwise while stirring The molar ratio of dichloro and hexamethylene diamine is 1：10, and 80~110 DEG C are warming up to, insulation reaction 12 hours~27 hours cools down drying Obtain the reactive-type flame retardant.
Test result：The dielectric constant of cable jacket is 2.11 in the embodiment, and tensile strength 23.1MPa, fracture is stretched Long rate is 860.7%.
Embodiment 2
As shown in fig. 1, a kind of environmental protection flame retardant composite optical/electrical cable is protected including optical cable core 1, cable conductor 2 and cable Set 4 is equipped with three cable conductors 2 around the optical cable core 1 is parallel, and it is Y type skeletons that the cable, which strengthens connector 3, The center of the Y type skeletons is equipped with the optical cable core 1, and the external part of the Y type skeletons is solid with three cable conductors 2 respectively Fixed connection, sets that there are one spacer 5, the spacer 5, Y types skeleton and the light between adjacent two cable conductors 2 The length direction of cable cable core 1 is consistent, and the inner end of three spacers 5 is fixedly connected respectively with the Y types skeleton, the cable From inside to outside successively covered with water blocking tape layer 6 and steel belt layer 7, the optical cable core 1, the cable conductor on the inner wall of sheath 4 2nd, cable is strengthened hindering for environmental protection filled with filler 8, the cable jacket 4 in the gap between connector 3 and the water blocking tape layer 6 Combustible material；
The optical cable core 1 includes optical fiber 11, reinforcer 12 and cable jacket 13, and the reinforcer 12 is four, described Four reinforcers 12 are distributed evenly around the optical fiber 11, the length of the length direction of the reinforcer 12 and the optical fiber 11 Degree direction is consistent, and the optical fiber 11 and the reinforcer 12 are arranged in the cable jacket 13；The reinforcer 12 is height Intensity stainless steel steel wire or fibre bundle, the optical fiber is G.657A2 the insensitive optical fiber of type bending loss, the cable jacket 13 are Cross-linked polyolefin cable jacket；
The cable conductor 2 includes conductor 21 and the insulating layer 22 being wrapped in outside the conductor 21, the conductor 21 and institute It states and flame retardant coating 23 is equipped between insulating layer 22；The conductor 21 be annealed copper wire, the flame retardant coating 23 be mica tape, the insulating layer 22 be cross-linked polyolefin；
The environment-friendlyflame-retardant flame-retardant material by 70 parts of high density polyethylene (HDPE), 35 parts of epoxy modified polyurethane, ethylene-acrylic acid magnesium from 10 parts of 9 parts of aggressiveness, 15 parts of oleic acid, 5 parts of thio dioctyl phthalate dilauryl and polyethylene black masterbatch compositions；
Wherein described epoxy modified polyurethane is obtained using following methods：By in 45 parts of input reaction kettles of polyether polyol, It is heated to 120 DEG C of reflux dewatering 1h while stirring, 55 parts of toluene di-isocyanate(TDI) is added in when being then cooled to 50 DEG C, is slowly heated up To 80 DEG C, 4-6h is stirred to react, obtains base polyurethane prepolymer for use as；By 25 parts of tetrahydrophthalic acid 2-glycidyl ester in 80 DEG C of items Under part, vacuum dehydration 1-3 hours after being cooled to 60 DEG C, sequentially adds the base polyurethane prepolymer for use as, 12 parts of 1,4-butanediol, three 23 parts of hydroxymethyl-propane, 24 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 5 parts of (dimethylamino methyl) phenol are warming up to It 70-90 DEG C, is stirred to react 6-8 hours, obtains the epoxy modified polyurethane, the macromolecule polyol is that molecular weight is 1000 Polyether Glycols.
The reactive-type flame retardant is obtained using following methods：Under nitrogen protection, it is by diboron trioxide addition molar ratio 5：8：It in the mixed solution of 10 dimethyldichlorosilanes, n,N-Dimethylaniline and hexamethylene diamine, is uniformly dispersed, in 30~70 DEG C 1~6h of lower insulation reaction, and pH value is made to be 5~6, continue that phenyl phosphinylidyne dichloro, phenyl phosphinylidyne are added dropwise while stirring The molar ratio of dichloro and hexamethylene diamine is 5：10, and 80~110 DEG C are warming up to, insulation reaction 12 hours~27 hours cools down drying Obtain the reactive-type flame retardant.
Test result：The dielectric constant of cable jacket is 2.23 in the embodiment, and tensile strength 24.5MPa, fracture is stretched Long rate is 871.4%.
Embodiment 3
As shown in fig. 1, a kind of environmental protection flame retardant composite optical/electrical cable is protected including optical cable core 1, cable conductor 2 and cable Set 4 is equipped with three cable conductors 2 around the optical cable core 1 is parallel, and it is Y type skeletons that the cable, which strengthens connector 3, The center of the Y type skeletons is equipped with the optical cable core 1, and the external part of the Y type skeletons is solid with three cable conductors 2 respectively Fixed connection, sets that there are one spacer 5, the spacer 5, Y types skeleton and the light between adjacent two cable conductors 2 The length direction of cable cable core 1 is consistent, and the inner end of three spacers 5 is fixedly connected respectively with the Y types skeleton, the cable From inside to outside successively covered with water blocking tape layer 6 and steel belt layer 7, the optical cable core 1, the cable conductor on the inner wall of sheath 4 2nd, cable is strengthened hindering for environmental protection filled with filler 8, the cable jacket 4 in the gap between connector 3 and the water blocking tape layer 6 Combustible material；
The optical cable core 1 includes optical fiber 11, reinforcer 12 and cable jacket 13, and the reinforcer 12 is four, described Four reinforcers 12 are distributed evenly around the optical fiber 11, the length of the length direction of the reinforcer 12 and the optical fiber 11 Degree direction is consistent, and the optical fiber 11 and the reinforcer 12 are arranged in the cable jacket 13；The reinforcer 12 is height Intensity stainless steel steel wire or fibre bundle, the optical fiber is G.657A2 the insensitive optical fiber of type bending loss, the cable jacket 13 are Cross-linked polyolefin cable jacket；
The cable conductor 2 includes conductor 21 and the insulating layer 22 being wrapped in outside the conductor 21, the conductor 21 and institute It states and flame retardant coating 23 is equipped between insulating layer 22；The conductor 21 be annealed copper wire, the flame retardant coating 23 be mica tape, the insulating layer 22 be cross-linked polyolefin；
The environment-friendlyflame-retardant flame-retardant material by 65 parts of high density polyethylene (HDPE), 22 parts of epoxy modified polyurethane, ethylene-acrylic acid magnesium from 4 parts of 5 parts of aggressiveness, 10 parts of stearic acid, 2 parts of thio dioctyl phthalate dilauryl and polyethylene black masterbatch compositions；
Wherein described epoxy modified polyurethane is obtained using following methods：By in 35 parts of input reaction kettles of polyether polyol, It is heated to 120 DEG C of reflux dewatering 1h while stirring, 40 parts of toluene di-isocyanate(TDI) is added in when being then cooled to 50 DEG C, is slowly heated up To 80 DEG C, 4-6h is stirred to react, obtains base polyurethane prepolymer for use as；By 15-25 parts of tetrahydrophthalic acid 2-glycidyl ester 80 Under the conditions of DEG C, vacuum dehydration 1-3 hours, after being cooled to 60 DEG C, sequentially add the base polyurethane prepolymer for use as, 9 parts of 1,4-butanediol, 18 parts of trimethylolpropane, 21 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 3 parts of (dimethylamino methyl) phenol, heating It to 70-90 DEG C, is stirred to react 6-8 hours, obtains the epoxy modified polyurethane, the macromolecule polyol is that molecular weight is 1000 polyether Glycols.
The reactive-type flame retardant is obtained using following methods：Under nitrogen protection, it is 3 silica to be added in molar ratio： 6：It in the mixed solution of 10 dimethyldichlorosilanes, n,N-Dimethylaniline and hexamethylene diamine, is uniformly dispersed, at 30~70 DEG C 1~6h of insulation reaction, and pH value is made to be 5~6, continue that phenyl phosphinylidyne dichloro, phenyl phosphinylidyne two are added dropwise while stirring The molar ratio of chlorine and hexamethylene diamine is 4：10, and be warming up to 80~110 DEG C, insulation reaction 12 hours~27 hours, cooling is dry To the reactive-type flame retardant.
Test result：The dielectric constant of cable jacket is 2.26 in the embodiment, and tensile strength 25.7MPa, fracture is stretched Long rate is 883.6%.
Finally it is to be appreciated that foregoing description is merely a preferred embodiment of the present invention, those skilled in the art is in the present invention Enlightenment under, under the premise of without prejudice to present inventive concept and claim, expression, such change as multiple types can be made It changes and each falls within protection scope of the present invention.

Claims (10)

1. a kind of environmental protection flame retardant composite optical/electrical cable, special including optical cable core (1), cable conductor (2) and cable jacket (4) Sign is：Three cable conductors (2), the optical cable core (1) and three institutes are equipped with around the optical cable core (1) is parallel It states and connector (3) is strengthened by cable between cable conductor (2) is fixedly connected, three cable conductors (2), the optical cable cables Core (1) and the cable are strengthened connector (3) and are covered by the cable jacket (4), and the cable jacket (4) is environmental protection Fire proofing；
The environment-friendlyflame-retardant flame-retardant material is made of the raw material of following mass fraction：50-70 parts of high density polyethylene (HDPE), epoxy-modified poly- ammonia 20-35 parts of ester, 3-9 parts from aggressiveness of ethylene-acrylic acid magnesium, 15-25 parts of reactive-type flame retardant, 1-5 parts of antioxidant, lubricant 2-15 Part, 3-10 parts of UV resistant agent；
The epoxy modified polyurethane is made of the raw material of following mass fraction：
30~45 parts of polyether polyol, 35~55 parts of toluene di-isocyanate(TDI), tetrahydrophthalic acid 2-glycidyl ester 15-25 Part, 8-12 parts of 1,4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 1~5 part of (dimethylamino methyl) phenol.
2. environmental protection flame retardant composite optical/electrical cable according to claim 1, it is characterised in that the mass fraction of the raw material is： 65 parts of high density polyethylene (HDPE), 5 parts from aggressiveness of ethylene-acrylic acid magnesium, 18 parts of reactive-type flame retardant, resists 22 parts of epoxy modified polyurethane 2 parts of oxidant, 10 parts of lubricant, 4 parts of UV resistant agent；The epoxy modified polyurethane is by 35 parts of polyether polyol, toluene two 40 parts of isocyanates, 21 parts of tetrahydrophthalic acid 2-glycidyl ester, 9 parts of 1,4-butanediol, 18 parts of trimethylolpropane, first 21 parts of base tetrabydrophthalic anhydride and 2,3,6- tri- 3 parts of (dimethylamino methyl) phenol composition.
3. environmental protection flame retardant composite optical/electrical cable according to claim 1 or 2, it is characterised in that：The epoxy-modified poly- ammonia Ester is obtained using following methods：Macromolecule polyol is put into reaction kettle, is heated to 120 DEG C of reflux dewatering 1h while stirring, Toluene di-isocyanate(TDI) is added in when being then cooled to 50 DEG C, 80 DEG C is to slowly warm up to, is stirred to react 4-6h, obtain polyurethane prepolymer Body；By tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, vacuum dehydration 1-3 hours, after being cooled to 60 DEG C, successively Add in the base polyurethane prepolymer for use as, 1,4-butanediol, trimethylolpropane, methyl tetrahydrophthalic anhydride and 2,3,6- tri- (dimethylamino methyl) phenol, is warming up to 70-90 DEG C, is stirred to react 6-8 hours, obtains the epoxy modified polyurethane.
4. environmental protection flame retardant composite optical/electrical cable according to claim 1 or 2, it is characterised in that：The macromolecule polyol The polyether Glycols for being 1000 for molecular weight.
5. environmental protection flame retardant composite optical/electrical cable according to claim 1 or 2, it is characterised in that：The reactive-type flame retardant is adopted It obtains using the following method：Under nitrogen protection, it is (1-5) Vitrified powder to be added in molar ratio：(2-8)：10 dimethyldichlorosilanes, In the mixed solution of n,N-Dimethylaniline and hexamethylene diamine, it is uniformly dispersed, 1~6h of insulation reaction at 30~70 DEG C, and make PH value is 5~6, continues that the molar ratio of phenyl phosphinylidyne dichloro, phenyl phosphinylidyne dichloro and hexamethylene diamine is added dropwise while stirring For (1-5)：10, and 80~110 DEG C are warming up to, insulation reaction 12 hours~27 hours, cooling obtains the reactive-type flame retardant.
6. environmental protection flame retardant composite optical/electrical cable according to claim 3, it is characterised in that：The Vitrified powder is three oxidations two The mixture of one or more of aluminium, diboron trioxide, silica；The UV resistant agent is female for polyethylene carbon black Material；The antioxidant is tetrapentaerythritol ester or thio dioctyl phthalate dilauryl；The lubricant is stearic acid or oleic acid.
7. environmental protection flame retardant composite optical/electrical cable according to claim 3, it is characterised in that：The cable strengthens connector (3) for Y type skeletons, the center of the Y type skeletons is equipped with the optical cable core (1), the external parts of the Y type skeletons respectively with three The cable conductor (2) is fixedly connected, and is set between adjacent two cable conductors (2) there are one spacer (5), it is described every It is consistent with the length direction of the optical cable core (1) from piece (5), Y types skeleton, the inner ends of three spacers (5) respectively with The Y types skeleton is fixedly connected.
8. environmental protection flame retardant composite optical/electrical cable according to claim 3, it is characterised in that：The optical cable core (1) includes Optical fiber (11), reinforcer (12) and cable jacket (13), the reinforcer (12) are four, four reinforcers (12) It is distributed evenly around the optical fiber (11), the length direction of the reinforcer (12) and the length direction one of the optical fiber (11) It causes, the optical fiber (11) and the reinforcer (12) are arranged in the cable jacket (13)；The reinforcer (12) is height Intensity stainless steel steel wire or fibre bundle, the optical fiber are the G.657A2 insensitive optical fiber of type bending loss, the cable jacket (13) For cross-linked polyolefin cable jacket.
9. environmental protection flame retardant composite optical/electrical cable according to claim 3, it is characterised in that：The cable conductor (2) includes Conductor (21) and the insulating layer (22) of the conductor (21) outside is wrapped in, is set between the conductor (21) and the insulating layer (22) There is flame retardant coating (23)；The conductor (21) is annealed copper wire, and the flame retardant coating (23) is mica tape, and the insulating layer (22) is crosslinking Polyolefin.
10. environmental protection flame retardant composite optical/electrical cable according to claim 3, it is characterised in that：The cable jacket (4) it is interior From inside to outside successively covered with water blocking tape layer (6) and steel belt layer (7) on wall, the optical cable core (1), the cable conductor (2), Cable is strengthened being filled with filler (8) in the gap between connector (3) and the water blocking tape layer (6).
CN201711451903.1A 2017-12-28 2017-12-28 Environmental protection flame retardant composite optical/electrical cable Withdrawn CN108198661A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109300604A (en) * 2018-10-30 2019-02-01 李涵 A kind of fireproof cable
CN111710469A (en) * 2020-06-28 2020-09-25 四川天邑康和通信股份有限公司 Low-smoke halogen-free wear-resistant indoor photoelectric hybrid cable and manufacturing method thereof
CN112526000A (en) * 2020-12-15 2021-03-19 北京北方车辆集团有限公司 Optical fiber ring acoustic emission sensor and packaging method
CN117116547A (en) * 2023-10-24 2023-11-24 广州宇洪科技股份有限公司 Photoelectric composite cable and production system thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109300604A (en) * 2018-10-30 2019-02-01 李涵 A kind of fireproof cable
CN109300604B (en) * 2018-10-30 2020-07-07 广东万瑞通电缆实业有限公司 Fireproof cable
CN111710469A (en) * 2020-06-28 2020-09-25 四川天邑康和通信股份有限公司 Low-smoke halogen-free wear-resistant indoor photoelectric hybrid cable and manufacturing method thereof
CN112526000A (en) * 2020-12-15 2021-03-19 北京北方车辆集团有限公司 Optical fiber ring acoustic emission sensor and packaging method
CN117116547A (en) * 2023-10-24 2023-11-24 广州宇洪科技股份有限公司 Photoelectric composite cable and production system thereof
CN117116547B (en) * 2023-10-24 2024-01-26 广州宇洪科技股份有限公司 Photoelectric composite cable and production system thereof

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