CN105957613A - Flame-retardant cable and preparation method therefor - Google Patents

Flame-retardant cable and preparation method therefor Download PDF

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Publication number
CN105957613A
CN105957613A CN201610496821.8A CN201610496821A CN105957613A CN 105957613 A CN105957613 A CN 105957613A CN 201610496821 A CN201610496821 A CN 201610496821A CN 105957613 A CN105957613 A CN 105957613A
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layer
temperature
insulated wire
wire cores
retardant cable
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CN105957613B (en
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瞿庆广
骆垠旭
王汉元
王炳华
李成林
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Anhui Aics Science & Technology Group Co Ltd
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Anhui Aics Science & Technology Group Co Ltd
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02Stranding-up
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06Insulating conductors or cables
    • H01B13/065Insulating conductors with lacquers or enamels
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06Insulating conductors or cables
    • H01B13/14Insulating conductors or cables by extrusion
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06Insulating conductors or cables
    • H01B13/14Insulating conductors or cables by extrusion
    • H01B13/148Selection of the insulating material therefor
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H01B13/2613Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Abstract

The invention relates to the processing technical field of cables, and specifically to a flame-retardant cable. The flame-retardant cable comprises multiple insulating wire core groups, shielding layers, a reinforcement layer, a high-temperature-resistant layer and a protection layer, wherein each insulating wire core layer is formed by multiple insulating wire cores in a stranded manner; each insulating wire core comprises a conductor and a high-temperature insulating layer which coats the exterior of the corresponding conductor; each shielding layer is wound around the periphery of each insulating wire core layer; the peripheries of the shielding layers are packaged by the reinforcement layer; the high-temperature-resistant layer is arranged on the outer surface of the reinforcement layer; the outer surface of the reinforcement layer is coated with the protection layer; and each high-temperature insulating layer is an ethylene-tetrafluoroethylene copolymer layer. The invention also provides a preparation method for the flame-retardant cable. The prepared flame-retardant cable provided by the invention is simple to manufacture, convenient to operate, and relatively good in the fireproof and flame-retardant performance; and meanwhile, the cable is resistant to high temperature and bending, tensile, high in flexibility, and wearproof, and has a quite good protection effect on oxygen, high-energy radiation and harmful metal aging.

Description

A kind of flame retardant cable and preparation method thereof
Technical field
The present invention relates to cable processing technique field, be specifically related to a kind of flame retardant cable and preparation method thereof.
Background technology
At present, fast transfer of data, the needs of information, the dependence to computer, word processor, fax sensor and communication apparatus are increased by people the most rapidly.The appearance of new technique makes the equipment of this respect online and networking is possibly realized, and result in the comprehensive development of communication system.These systems increase, such as skyscraper, boats and ships, aircraft, train, drilling platforms and mine in the use of specific area.
The insulating barrier of existing flame retardant cable and restrictive coating are usually and single fire retardant mix with CABLE MATERIALS system Become.Owing to fire proofing is single, cable the most not only can produce a large amount of smog and toxic gas, but also can reduce cable performance because of dehydration, thus affects resistance combustion temperature and the duration of fire resistance of cable, it is difficult to reaches fire prevention, moistureproof effect.
Owing to having formulated the strictest fire safety standard, cable insulation material needs to improve its burning and invention performance, keep excellent physical property simultaneously, to needing from the point of view of low expense wire cable insulating material compositions to improve the propagation of its flame and smoke generation characteristics, there is excellent physical property simultaneously.
Summary of the invention
It is an object of the invention to overcome the defect of above-mentioned prior art, it is provided that a kind of flame retardant cable and preparation method thereof, fire resistance is good, high temperature resistant, is simple to manufacture, easy to operate.
For this, the invention provides a kind of flame retardant cable, including insulated wire cores group, screen layer, enhancement layer, high-temperature-resistant layer and overcoat, insulated wire cores group has many groups, and often group is formed by many insulated wire cores are stranded, and every insulated wire cores is made up of conductor and the high-temperature insulating layer being coated on outside conductor, described screen layer is wound in insulated wire cores group periphery, enhanced layer packets is rolled in screen layer outer surface, and high-temperature-resistant layer is located at enhancement layer outer surface, and overcoat is coated on enhancement layer outer surface;Described high-temperature insulating layer is ethylene-tetrafluoroethylene copolymer layer;
The flame retardant cable that the present invention provides, not only has preferable fire retardant performance, and high temperature resistant, Stability Analysis of Structures, and resistance to tension is strong, not easy fracture, has good protective action to oxygen, high-energy radiation and poisonous metal are aging, and toughness is high, and preparation is simple, easy to operate.
Raw material components and the weight content of our used high-temperature-resistant layer are as follows: mica particles 5-10 part, polyvinyl chloride resin powder 50-60 part, polystyrene acid fat 30-35 part, silicone rubber 10-15 part, antioxidant 2-4 part, paraffin oil 5-8 part, glass fibre 10-15 part, toughener 5-8 part;
It addition, the raw material components of our used overcoat and weight portion content are as follows: phenolic resin 40-50 part, magnesium hydroxide 20-30 part, high density polyethylene (HDPE) 30-45 part, melamine cyanurate 2-4 part, aerosil 5-7 part, Ca/Zn complex stabilizer 5-7 part, magnesium stearate 2-3 part, cerous hypophosphate 5-10 part, halogen-free expansion fire retardant 10-15 part, antimony oxide 5-8 part, Firebrake ZB 2-3 part, politef 10-15 part, anti-wear agent 3-5 part, plasticizer 5-7 part.
The phenolic resin selected and high density polyethylene (HDPE), resistance to elevated temperatures is preferable, and especially phenolic resin, even if the most also can keep globality and the stability of its structure.Melamine cyanurate and aerosil, not only increase fire retardation, and make cable heat-resisting, and anti-bending strength is preferable.Ca/Zn complex stabilizer and magnesium stearate synergism strengthen the stability of overcoat, and anti-decomposition aoxidizes.Cerous hypophosphate maintains the stability of material, enhances the fire resistance property of material.Using halogen-free expansion fire retardant, fire resistance is higher.Politef has self-extinguishment, once ignition of cable, can stop flame spread.Anti-wear agent is molybdenum bisuphide, considerably increases the abrasion resistance of overcoat.The overcoat that above-mentioned material is made not only greatly strengthen fireproof flame-retardant effect, and protection coating materials Stability Analysis of Structures, the most oxidizable and wear-resisting, service life is long.
Further, described screen layer is the nonmetal screen layer being made up of polyolefin and Carbon Black Conductive Composite.This screen layer not only increases shielding properties, it is to avoid produces insulation breakdown phenomenon, and reduces the outside electromagnetic interference impact on electromagnetism.
Further, described enhancement layer is wrapped polyester belt.This enhancement layer makes cable have preferable ductility and a pliability, and stretching resistance by force, not easy fracture.
As preferably, described plasticizer is one or more mixture of technical white oil, naphthenic oil, paraffin oil.
We additionally provide a kind of method preparing above-mentioned flame retardant cable, in turn include the following steps:
(1) circular metal silk wire drawing and annealing is stranding into conductor respectively, by conductor first in insullac after dip-coating, then outside conductor, extrudes high-temperature insulating layer constitute insulated wire cores, the many mutual stranded composition covered wire sandwich layers of insulated wire cores;
(2) at covered wire sandwich layer periphery lapped shielding layer successively and enhancement layer;
null(3) exotic material is prepared: be first equipped with each component material according to quantity,The mica particles that will be equipped with、Polyvinyl chloride resin powder、Polystyrene acid fat、Silicone rubber、Antioxidant、Glass fibre and toughener add stirring 20-30 minute in blender,Spray paraffin oil by spray equipment simultaneously,After being sufficiently mixed uniformly,Add mixture into molding in twin screw extruder,And the goods of molding are carried out post bake,Heating and temperature control is at 115-150 DEG C,Time controlled between the 10-30 second,Obtain exotic material finished product,The drying baker inside holding that exotic material finished product is inserted 140-150 DEG C is dried 3-5 hour,In more dried exotic material finished product being inserted hot press compressing,The temperature of hot press is 280-320 DEG C,Pressure is 15-20Mpa,Thus obtain high-temperature-resistant layer;By prepared high-temperature-resistant layer around being wrapped in enhancement layer periphery;
(4) prepare protection coating materials: be first equipped with each component material according to quantity, phenolic resin is made the diameter phenolic resin particle less than 5mm by disintegrating machine;Phenolic resin particle and the magnesium hydroxide being equipped with, high density polyethylene (HDPE), melamine cyanurate, aerosil, magnesium stearate, cerous hypophosphate, antimony oxide, Firebrake ZB and politef are added blender stir 30-40 minute, send into after being sufficiently mixed in polymerization autoclave, deionized water is added in polymerization autoclave simultaneously, put into Ca/Zn complex stabilizer, anti-wear agent and plasticizer, it is warming up to 90-100 DEG C, keeps constant temperature in still;Adding halogen-free expansion fire retardant after 1-2 hour, be simultaneously introduced foaming agent, sealed reactor, be warming up to 100-110 DEG C and be incubated, obtain protection coating materials beadlet, the drying baker inside holding that the finished product obtained is inserted 100-120 DEG C is dried 2 hours;After being heated to dried protection coating materials beadlet melting, cooling i.e. prepares overcoat;By prepared overcoat around being wrapped in high-temperature-resistant layer periphery, thus obtain flame retardant cable.
Beneficial effects of the present invention: this flame retardant cable that the present invention provides, not only has preferable fire retardant performance, and high temperature resistant, tension, bending resistance, pliability is good, wear-resisting, having good protective action to oxygen, high-energy radiation and poisonous metal are aging, preparation is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation stopping cable that the present invention provides.
Description of reference numerals: 1, overcoat;2, high-temperature-resistant layer;3, enhancement layer;4, screen layer;5, insulated wire cores;5.1, conductor;5.2, high-temperature insulating layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with the present invention.
Embodiment 1:
A kind of flame retardant cable as shown in Figure 1, including insulated wire cores group, screen layer 4, enhancement layer 3, high-temperature-resistant layer 2 and overcoat 1, described insulated wire cores group has many groups, often group is formed by many insulated wire cores 5 are stranded, every insulated wire cores 5 is made up of conductor 5.1 and the high-temperature insulating layer 5.2 being coated on outside conductor 5.1, and described screen layer 4 is wound in insulated wire cores group periphery, and enhancement layer 3 is wrapped in screen layer 4 outer surface, high-temperature-resistant layer 2 is located at enhancement layer 3 outer surface, and overcoat 1 is coated on enhancement layer 3 outer surface;Described high-temperature insulating layer 5.2 is ethylene-tetrafluoroethylene copolymer layer;Described screen layer 4 is the nonmetal screen layer being made up of polyolefin and Carbon Black Conductive Composite.This screen layer 4 not only increases shielding properties, it is to avoid produces insulation breakdown phenomenon, and reduces the outside electromagnetic interference impact on electromagnetism.Described enhancement layer 3 is wrapped polyester belt.This enhancement layer 3 makes cable have preferable ductility and a pliability, and stretching resistance by force, not easy fracture.
The flame retardant cable that the present invention provides, not only has preferable fire retardant performance, and high temperature resistant, Stability Analysis of Structures, and resistance to tension is strong, not easy fracture, has good protective action to oxygen, high-energy radiation and poisonous metal are aging, and toughness is high, and preparation is simple, easy to operate.
Raw material components and the weight content of our used high-temperature-resistant layer are as follows: mica particles 5-10 part, polyvinyl chloride resin powder 50-60 part, polystyrene acid fat 30-35 part, silicone rubber 10-15 part, antioxidant 2-4 part, paraffin oil 5-8 part, glass fibre 10-15 part, toughener 5-8 part;
It addition, the raw material components of our used overcoat and weight portion content are as follows: phenolic resin 40-50 part, magnesium hydroxide 20-30 part, high density polyethylene (HDPE) 30-45 part, melamine cyanurate 2-4 part, aerosil 5-7 part, Ca/Zn complex stabilizer 5-7 part, magnesium stearate 2-3 part, cerous hypophosphate 5-10 part, halogen-free expansion fire retardant 10-15 part, antimony oxide 5-8 part, Firebrake ZB 2-3 part, politef 10-15 part, anti-wear agent 3-5 part, plasticizer 5-7 part.Described plasticizer is one or more mixture of technical white oil, naphthenic oil, paraffin oil.
The phenolic resin selected and high density polyethylene (HDPE), resistance to elevated temperatures is preferable, and especially phenolic resin, even if the most also can keep globality and the stability of its structure.Melamine cyanurate and aerosil, not only increase fire retardation, and make cable heat-resisting, and anti-bending strength is preferable.Ca/Zn complex stabilizer and magnesium stearate synergism strengthen the stability of overcoat, and anti-decomposition aoxidizes.Cerous hypophosphate maintains the stability of material, enhances the fire resistance property of material.Using halogen-free expansion fire retardant, fire resistance is higher.Politef has self-extinguishment, once ignition of cable, can stop flame spread.Anti-wear agent is molybdenum bisuphide, considerably increases the abrasion resistance of overcoat.The overcoat that above-mentioned material is made not only greatly strengthen fireproof flame-retardant effect, and protection coating materials Stability Analysis of Structures, the most oxidizable and wear-resisting, service life is long.
Embodiment 2:
On the basis of embodiment 1, we additionally provide a kind of preparation method preparing above-mentioned flame retardant cable, in turn include the following steps:
(1) circular metal silk wire drawing and annealing is stranding into conductor respectively, by conductor first in insullac after dip-coating, then outside conductor, extrudes high-temperature insulating layer constitute insulated wire cores, the many mutual stranded composition covered wire sandwich layers of insulated wire cores;
(2) at covered wire sandwich layer periphery lapped shielding layer successively and enhancement layer;
null(3) exotic material is prepared: be first equipped with each component material according to quantity,The mica particles that will be equipped with、Polyvinyl chloride resin powder、Polystyrene acid fat、Silicone rubber、Antioxidant、Glass fibre and toughener add stirring 20-30 minute in blender,Spray paraffin oil by spray equipment simultaneously,After being sufficiently mixed uniformly,Add mixture into molding in twin screw extruder,And the goods of molding are carried out post bake,Heating and temperature control is at 115-150 DEG C,Time controlled between the 10-30 second,Obtain exotic material finished product,The drying baker inside holding that exotic material finished product is inserted 140-150 DEG C is dried 3-5 hour,In more dried exotic material finished product being inserted hot press compressing,The temperature of hot press is 280-320 DEG C,Pressure is 15-20Mpa,Thus obtain high-temperature-resistant layer;By prepared high-temperature-resistant layer around being wrapped in enhancement layer periphery;
(4) prepare protection coating materials: be first equipped with each component material according to quantity, phenolic resin is made the diameter phenolic resin particle less than 5mm by disintegrating machine;Phenolic resin particle and the magnesium hydroxide being equipped with, high density polyethylene (HDPE), melamine cyanurate, aerosil, magnesium stearate, cerous hypophosphate, antimony oxide, Firebrake ZB and politef are added blender stir 30-40 minute, send into after being sufficiently mixed in polymerization autoclave, deionized water is added in polymerization autoclave simultaneously, put into Ca/Zn complex stabilizer, anti-wear agent and plasticizer, it is warming up to 90-100 DEG C, keeps constant temperature in still;Adding halogen-free expansion fire retardant after 1-2 hour, be simultaneously introduced foaming agent, sealed reactor, be warming up to 100-110 DEG C and be incubated, obtain protection coating materials beadlet, the drying baker inside holding that the finished product obtained is inserted 100-120 DEG C is dried 2 hours;After being heated to dried protection coating materials beadlet melting, cooling i.e. prepares overcoat;By prepared overcoat around being wrapped in high-temperature-resistant layer periphery, thus obtain flame retardant cable.
This flame retardant cable that the present invention provides, not only has preferable fire retardant performance, and high temperature resistant, tension, bending resistance, and pliability is good, wear-resisting, has good protective action to oxygen, high-energy radiation and poisonous metal are aging, and preparation is simple, easy to operate.
Exemplified as above is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention belongs to protection scope of the present invention.

Claims (5)

1. a flame retardant cable, it is characterized in that, including insulated wire cores group, screen layer, enhancement layer, high-temperature-resistant layer and overcoat, insulated wire cores group has many groups, and often group is formed by many insulated wire cores are stranded, and every insulated wire cores is made up of conductor and the high-temperature insulating layer being coated on outside conductor, described screen layer is wound in insulated wire cores group periphery, enhanced layer packets is rolled in screen layer outer surface, and high-temperature-resistant layer is located at enhancement layer outer surface, and overcoat is coated on enhancement layer outer surface;Described high-temperature insulating layer is ethylene-tetrafluoroethylene copolymer layer;
Raw material components and the weight content of described high-temperature-resistant layer are as follows: mica particles 5-10 part, polyvinyl chloride resin powder 50-60 part, polystyrene acid fat 30-35 part, silicone rubber 10-15 part, antioxidant 2-4 part, paraffin oil 5-8 part, glass fibre 10-15 part, toughener 5-8 part;
Raw material components and the weight portion content of described overcoat are as follows: phenolic resin 40-50 part, magnesium hydroxide 20-30 part, high density polyethylene (HDPE) 30-45 part, melamine cyanurate 2-4 part, aerosil 5-7 part, Ca/Zn complex stabilizer 5-7 part, magnesium stearate 2-3 part, cerous hypophosphate 5-10 part, halogen-free expansion fire retardant 10-15 part, antimony oxide 5-8 part, Firebrake ZB 2-3 part, politef 10-15 part, anti-wear agent 3-5 part, plasticizer 5-7 part.
2. a kind of flame retardant cable as claimed in claim 1, it is characterised in that described screen layer is the nonmetal screen layer being made up of polyolefin and Carbon Black Conductive Composite.
3. a kind of flame retardant cable as claimed in claim 1, it is characterised in that described enhancement layer is wrapped polyester belt.
4. a kind of flame retardant cable as claimed in claim 1, it is characterised in that described plasticizer is one or more mixture of technical white oil, naphthenic oil, paraffin oil.
5. prepare the method for flame retardant cable described in claim 1-4 any one for one kind, it is characterized in that, in turn include the following steps: circular metal silk wire drawing and annealing is stranding into conductor by (1) respectively, by conductor first in insullac after dip-coating, outside conductor, extrude high-temperature insulating layer again constitute insulated wire cores, the many mutual stranded composition insulated wire cores groups of insulated wire cores;
(2) at each insulated wire cores group outer surface lapped shielding layer, then it is coated with enhancement layer at screen layer outer surface;
null(3) exotic material is prepared: be first equipped with each component material according to quantity,The mica particles that will be equipped with、Polyvinyl chloride resin powder、Polystyrene acid fat、Silicone rubber、Antioxidant、Glass fibre and toughener add stirring 20-30 minute in blender,Spray paraffin oil by spray equipment simultaneously,After being sufficiently mixed uniformly,Add mixture into molding in twin screw extruder,And the goods of molding are carried out post bake,Heating and temperature control is at 115-150 DEG C,Time controlled between the 10-30 second,Obtain exotic material finished product,The drying baker inside holding that exotic material finished product is inserted 140-150 DEG C is dried 3-5 hour,In more dried exotic material finished product being inserted hot press compressing,The temperature of hot press is 280-320 DEG C,Pressure is 15-20Mpa,Thus obtain high-temperature-resistant layer;By prepared high-temperature-resistant layer around being wrapped in enhancement layer periphery;
(4) prepare protection coating materials: be first equipped with each component material according to quantity, phenolic resin is made the diameter phenolic resin particle less than 5mm by disintegrating machine;Phenolic resin particle and the magnesium hydroxide being equipped with, high density polyethylene (HDPE), melamine cyanurate, aerosil, magnesium stearate, cerous hypophosphate, antimony oxide, Firebrake ZB and politef are added blender stir 30-40 minute, send into after being sufficiently mixed in polymerization autoclave, deionized water is added in polymerization autoclave simultaneously, put into Ca/Zn complex stabilizer, anti-wear agent and plasticizer, it is warming up to 90-100 DEG C, keeps constant temperature in still;Adding halogen-free expansion fire retardant after 1-2 hour, be simultaneously introduced foaming agent, sealed reactor, be warming up to 100-110 DEG C and be incubated, obtain protection coating materials beadlet, the drying baker inside holding that the finished product obtained is inserted 100-120 DEG C is dried 2 hours;After being heated to dried protection coating materials beadlet melting, cooling i.e. prepares overcoat;By prepared overcoat around being wrapped in high-temperature-resistant layer periphery, thus obtain flame retardant cable.
CN201610496821.8A 2016-06-30 2016-06-30 A kind of flame retardant cable and preparation method thereof Active CN105957613B (en)

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CN106628046A (en) * 2016-11-30 2017-05-10 南京睿宇物联网科技有限公司 Flame-retardant corrosion-resistant watertight door
CN106710710A (en) * 2016-12-23 2017-05-24 绵阳市长信电线电缆有限公司 Photoelectric hybrid cable and preparation method thereof
CN107195378A (en) * 2017-06-05 2017-09-22 安徽龙芯电力电线有限公司 Fire-retardant fireproof aluminium alloy power cable
CN107383537A (en) * 2017-08-08 2017-11-24 宏胜电线电缆有限公司 Low smoke halogen-free fire retardant fire resistant polyolefine insulated cable and preparation method thereof
CN107424675A (en) * 2017-08-08 2017-12-01 宏胜电线电缆有限公司 Low smoke halogen-free fire retardant fire resistant polyolefine insulated cable and preparation method thereof
CN107785101A (en) * 2017-10-31 2018-03-09 广西群星电缆有限公司 Alumina ore material isolated form fireproof cable and preparation method thereof
CN107799222A (en) * 2017-08-29 2018-03-13 四川韦克电缆有限公司 A kind of used in nuclear power station flame-resistant insulation fire proof power cable and preparation method thereof
CN108129856A (en) * 2017-11-28 2018-06-08 安徽华源电缆集团有限公司 A kind of high-strength cable fills layer material
CN108492934A (en) * 2018-04-12 2018-09-04 潘玉娇 A kind of cable manufacturing process
CN108806892A (en) * 2018-07-28 2018-11-13 重庆永富电线电缆有限公司 The manufacturing process of copper core polyvinyl chloride insulation flame retardant cable
CN109273154A (en) * 2018-08-02 2019-01-25 安徽扬子线缆有限公司 A kind of high fire-retardance high durable cable and preparation method thereof
CN110591367A (en) * 2019-10-28 2019-12-20 苏师大半导体材料与设备研究院(邳州)有限公司 Material for enhancing mechanical strength and flame retardance of electrical insulator

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CN106476987A (en) * 2016-11-30 2017-03-08 南京睿宇物联网科技有限公司 A kind of fire-retardant sound insulation watertight door
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CN106710710A (en) * 2016-12-23 2017-05-24 绵阳市长信电线电缆有限公司 Photoelectric hybrid cable and preparation method thereof
CN106710710B (en) * 2016-12-23 2017-12-08 绵阳市长信电线电缆有限公司 Photoelectricity compound cable and preparation method thereof
CN107195378A (en) * 2017-06-05 2017-09-22 安徽龙芯电力电线有限公司 Fire-retardant fireproof aluminium alloy power cable
CN107195378B (en) * 2017-06-05 2019-04-23 安徽龙芯电力电线有限公司 Fire-retardant fireproof aluminium alloy power cable
CN107383537A (en) * 2017-08-08 2017-11-24 宏胜电线电缆有限公司 Low smoke halogen-free fire retardant fire resistant polyolefine insulated cable and preparation method thereof
CN107424675A (en) * 2017-08-08 2017-12-01 宏胜电线电缆有限公司 Low smoke halogen-free fire retardant fire resistant polyolefine insulated cable and preparation method thereof
CN107799222A (en) * 2017-08-29 2018-03-13 四川韦克电缆有限公司 A kind of used in nuclear power station flame-resistant insulation fire proof power cable and preparation method thereof
CN107785101A (en) * 2017-10-31 2018-03-09 广西群星电缆有限公司 Alumina ore material isolated form fireproof cable and preparation method thereof
CN108129856A (en) * 2017-11-28 2018-06-08 安徽华源电缆集团有限公司 A kind of high-strength cable fills layer material
CN108492934A (en) * 2018-04-12 2018-09-04 潘玉娇 A kind of cable manufacturing process
CN108806892A (en) * 2018-07-28 2018-11-13 重庆永富电线电缆有限公司 The manufacturing process of copper core polyvinyl chloride insulation flame retardant cable
CN108806892B (en) * 2018-07-28 2019-08-27 重庆永富电线电缆有限公司 The manufacturing process of copper core polyvinyl chloride insulation flame retardant cable
CN109273154A (en) * 2018-08-02 2019-01-25 安徽扬子线缆有限公司 A kind of high fire-retardance high durable cable and preparation method thereof
CN110591367A (en) * 2019-10-28 2019-12-20 苏师大半导体材料与设备研究院(邳州)有限公司 Material for enhancing mechanical strength and flame retardance of electrical insulator

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