CN106158121B - A kind of flame retardant type flexible fire-proof cable and preparation method thereof - Google Patents
A kind of flame retardant type flexible fire-proof cable and preparation method thereof Download PDFInfo
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- CN106158121B CN106158121B CN201610713319.8A CN201610713319A CN106158121B CN 106158121 B CN106158121 B CN 106158121B CN 201610713319 A CN201610713319 A CN 201610713319A CN 106158121 B CN106158121 B CN 106158121B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 51
- 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 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 239000004020 conductor Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 230000004048 modification Effects 0.000 claims description 43
- 238000012986 modification Methods 0.000 claims description 43
- 239000004677 Nylon Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 30
- 229920001778 nylon Polymers 0.000 claims description 30
- 239000002994 raw material Substances 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 23
- 229920002379 silicone rubber Polymers 0.000 claims description 17
- 239000004945 silicone rubber Substances 0.000 claims description 15
- 239000003822 epoxy resin Substances 0.000 claims description 14
- 239000003365 glass fiber Substances 0.000 claims description 14
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 14
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 14
- 239000000347 magnesium hydroxide Substances 0.000 claims description 14
- 229920000647 polyepoxide Polymers 0.000 claims description 14
- 229920002943 EPDM rubber Polymers 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 8
- 229920006350 polyacrylonitrile resin Polymers 0.000 claims description 8
- 238000009987 spinning Methods 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- 230000001112 coagulating effect Effects 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000005087 graphitization Methods 0.000 claims description 4
- 239000001294 propane Substances 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000003712 anti-aging effect Effects 0.000 abstract description 4
- 230000032683 aging Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of flame retardant type flexible fire-proof cable and preparation method thereof, the flame retardant type flexible fire-proof cable includes top layer sheath, voided layer, supporting layer, liner, insulating barrier, conductor, bear when can be long 70 DEG C~200 DEG C operating temperature, flame retardant rating V 0, minimum bending radius not higher than 8 times of diameter, at least can anti lightning abrupt slope peak value 4000kV/s, yield strength be not less than 80N/mm2, elongation percentage not less than 25%, tensile strength be not less than 100N/mm2；By will using ad hoc approach manufacture graphitized carbon fibre be woven into webmaster shape be used as supporting layer, increase voided layer design, from high temperature resistant anti-aging materials as base material, obtain splendid high-temperature insulation performance；The flame retardant type flexible fire-proof cable comprehensive mechanical performance of the present invention is good, insulating properties is strong, fire-retardant, minimum bending radius is small, high temperature resistant, anti-aging, service life is long, use range is wide.
Description
Technical field
The present invention relates to field of electrical components, more particularly to a kind of flame retardant type flexible fire-proof cable and preparation method thereof.
Background technology
Cable, typically by several or similar rope that several groups of wires (every group at least two) are twisted cable, often
Mutually insulated between group wire, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.Cable has
There are interior energization, the feature of external insulation.
Insulating barrier uniformly hermetically wraps up one layer of non electrically conductive material in cable conductor periphery, such as：Resin, plastics,
Silicon rubber, PVC etc., but these materials are limited by essential performance, and its heat resistance and insulating properties are relatively weak.
In the Patents applied at home, patent《A kind of flame-retardant pull tension flexible cable》(application number：
201610040262.X publication date：2016-05-04), a kind of flexible cable with fire retardancy is disclosed, but which employs
Five layers of metal armor layers, due to being the armor of circular tube shaped, its flexible is necessarily poor, and minimum bending radius is big, integrated machine
Tool poor performance, use range are small；As a result of a large amount of metal levels, although its capability of electromagnetic shielding is strong, the breakdown of its lightning voltage
Ability decline it is a lot, especially with insulating materials except the material of core surfaces in addition to mainly conventional polyester fiber, this material
Insulating properties are general, will not even be used as insulating materials, and easily by acid and alkali corrosion, poor water resistance, easy firing, therefore the invention
Insulating properties is weak, and service life is short, and fire retardancy is poor, easy to aging, non-refractory.
The content of the invention
To solve drawbacks described above present in prior art, the present invention is intended to provide a kind of comprehensive mechanical performance is good, insulation
Property is strong, fire-retardant, minimum bending radius is small, high temperature resistant, the flame retardant type fire resistant flexible that anti-aging, service life is long, use range is wide
Cable and its manufacture method.
To achieve these goals, the present invention uses following technical scheme：A kind of manufacture of flame retardant type flexible fire-proof cable
Method, comprise the following steps：
1) selection of raw material and preparation
1. top layer sheath raw material selection is solidified with the modification heat vulcanized silicone rubber of 5~8wt% flame retardant of magnesium hydroxide,
Selection standard is：Specific insulation is not less than 2 × 1015Ω cm, dielectric strength not less than 200kV/cm, it is long when operating temperature model
Enclose -55~180 DEG C；
2. modification of nylon PA66 layer raw material selections are solidified with the modification of nylon PA66 of 5~8wt% flame retardant of magnesium hydroxide；
3. supporting layer raw material selection graphitized carbon fibre；
4. liner raw material selection ENB ethylene propylene diene rubbers；
5. the mixing material of insulating barrier raw material selection epoxy resin and glass fibre by weight 9: 1；
6. conductor raw material selection copper material or aluminium；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture
The volume ratio of interior polyethylene glycol oxide and pure water is 2.5-3: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.05mm-0.08mm spray orifice pressurization,
Pressure limit is 1.5bar-2bar, and shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 10mm-15mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after
Charing process, preceding 750 DEG C -800 DEG C of charing process temperature, processing time 5min-10min, rear 1500 DEG C of charing process temperature -
1600 DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned over 2400 DEG C of -2500 DEG C of rings
Under border, 8s-12s is incubated；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of flame retardant type flexible fire-proof cable
1. conductor is woven, obtain stand-by conductor；
2. 1) 5. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, stand-by core is obtained
Material；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, 4. set that step obtains is sleeved on
Inner tube layer outer surface, obtain sleeve pipe middle level；
6. modification of nylon PA66 is woven in into 5. sleeve pipe middle level outer surface that step obtains, band modification of nylon PA66 layers are obtained
Sleeve pipe middle level；
7. 1) top layer sheath is made in 1. modification heat vulcanized silicone rubber that step in prepares, the internal diameter ratio of the top layer sheath
The 6. sleeve pipe middle level big 1mm~2mm of external diameter with modification of nylon PA66 layers that step obtains；
8. in the 6. sleeve pipe middle level with modification of nylon PA66 layers that 3. stand-by core inserting step that step is obtained obtains,
Obtain in assembly, then 7. top layer sheath that the assembly entirety inserting step is obtained, i.e., flame retardant type needed for acquisition is flexible anti-
Thermoelectricity cable.
The flame retardant type flexible fire-proof cable that a kind of manufacture method of above-mentioned flame retardant type flexible fire-proof cable produces, including table
Layer sheath, supporting layer, liner, insulating barrier, conductor；Be additionally provided with voided layer between top layer sheath and supporting layer, voided layer with
Supporting layer intersection is provided with the modification of nylon PA66 layers for being solidified with 5~8wt% flame retardant of magnesium hydroxide；Top layer sheath is using solid
Changing has the modification heat vulcanized silicone rubber of 5~8wt% flame retardant of magnesium hydroxide；Supporting layer is made of graphitized carbon fibre；It is interior
Lining is made of ENB ethylene propylene diene rubbers；Insulating barrier uses the mixing material system of epoxy resin and glass fibre by weight 9: 1
Into
The flame retardant type flexible fire-proof cable born when can be long -70 DEG C~200 DEG C operating temperature, flame retardant rating V-0, minimum
Bending radius not higher than 8 times of diameter, at least can anti lightning abrupt slope peak value 4000kV/s, yield strength be not less than 80N/mm2, prolong
Stretch rate and be not less than 100N/mm not less than 25%, tensile strength2。
Compared with prior art, the present invention has advantages below：Heat vulcanized silicone rubber, the ENB EPDMs of selection
Rubber, graphitized carbon fibre all have extraordinary resistant to elevated temperatures ageing resistace, plus among supporting layer and top layer sheath
There is provided voided layer, plays radiating, heat-insulated effect, modification of nylon PA66 layers can be with reflecting part light and heat energy, and passes through
Voided layer and transparent heat vulcanized silicone rubber top layer are propagated, and heat-sinking capability is much stronger than normal cable so that whole cable is overall
High temperature resistance ageing resistace obtains considerable lifting, thus the flame retardant type flexible fire-proof cable high temperature resistant of the present invention, it is anti-aging, make
Use long lifespan；The flame retardant of magnesium hydroxide of addition can greatly improve the toughness, heat resistance and stability of material, make textile
With suppression cigarette, nontoxic, environmentally friendly high fire-retardance efficiency；Because top layer sheath uses heat vulcanized silicone rubber, selection standard is：Volume
Resistivity is not less than 2 × 1015Ω cm, dielectric strength are not less than 200kV/cm, and insulating barrier uses epoxy resin and glass fibre
Mixture, along with the cut-off of voided layer, make cable integral insulation very strong and be not easy breakdown damage, at least can anti lightning it is steep
Top of a hill value 4000kV/s；Overall construction design is reasonable, each hierarchical structure and material function are complementary, there is the high intensity of graphitized fibre
High-flexibility, the high-elongation and a wide range of operating temperature of silicon rubber, the high tenacity of epoxy resin and mixture of glass fibers and
Buffer capacity, and the yielding that provides of voided layer and cushion space, make the present invention comprehensive mechanical performance is good, bendable bilge radius are big,
Use range is wide.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：Top layer sheath 1, voided layer 2, modification of nylon PA66 layers 3, supporting layer 4, liner 5, insulating barrier 6, conductor 7.
Embodiment
Embodiment 1：
A kind of flame retardant type flexible fire-proof cable, including top layer sheath 1, voided layer 2, it is solidified with 5wt% magnesium hydroxide flame retardants
Modification of nylon PA66 layers 3, supporting layer 4, liner 5, insulating barrier 6, the conductor 7 of agent；Top layer sheath 1 uses and is solidified with 5wt% hydrogen-oxygens
Change the modification heat vulcanized silicone rubber of magnesium fire retardant；Supporting layer 4 is made of graphitized carbon fibre；Liner 5 uses ENB ternary second
Third rubber is made；Insulating barrier 6 is using epoxy resin with glass fibre by weight 9：1 mixing material is made.
The manufacture method of the flame retardant type flexible fire-proof cable comprises the following steps：
1) selection of raw material and preparation
1. the raw material selection of top layer sheath 1 is solidified with the modification heat vulcanized silicone rubber of 5wt% flame retardant of magnesium hydroxide, choosing
The standard of selecting is：Specific insulation is not less than 2 × 1015Ω cm, dielectric strength not less than 200kV/cm, it is long when operating temperature model
Enclose -55~180 DEG C；
2. the raw material selection of modification of nylon PA66 layers 3 is solidified with the modification of nylon PA66 of 5wt% flame retardant of magnesium hydroxide；
3. the raw material selection graphitized carbon fibre of supporting layer 4；
4. the raw material selection ENB ethylene propylene diene rubbers of liner 5；
5. the mixing material of the raw material selection epoxy resin of insulating barrier 6 and glass fibre by weight 9: 1；
6. the raw material selection copper material of conductor 7 or aluminium；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture
The volume ratio of interior polyethylene glycol oxide and pure water is 2.5: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.05mm spray orifice pressurization, pressure limit
For 1.5bar, shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 10mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after
Charing process, preceding 750 DEG C of charing process temperature, processing time 5min, rear 1500 DEG C of charing process temperature, processing time, 5min was obtained
Obtain carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned under 2400 DEG C of environment, protect
Warm 8s；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of flame retardant type flexible fire-proof cable
1. conductor 7 is woven, obtain stand-by conductor 7；
2. 1) 5. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor 7 that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, obtain stand-by
Core；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, 4. set that step obtains is sleeved on
Inner tube layer outer surface, obtain sleeve pipe middle level；
6. modification of nylon PA66 is woven in into 5. sleeve pipe middle level outer surface that step obtains, band modification of nylon PA66 layers are obtained
3 sleeve pipe middle level；
7. 1) top layer sheath 1 is made in 1. modification heat vulcanized silicone rubber that step in prepares, the internal diameter of the top layer sheath 1
It is bigger 1mm than the 6. sleeve pipe middle level external diameter with modification of nylon PA66 layers 3 that step obtains；
8. the 6. sleeve pipe middle level with modification of nylon PA66 layers 3 that 3. stand-by core inserting step that step is obtained obtains
In, obtain in assembly, then 7. top layer sheath 1 that the assembly entirety inserting step is obtained, i.e., flame retardant type needed for acquisition is soft
Property fireproof cable.
The cable sample produced according to the present embodiment, -70 DEG C~200 DEG C of operating temperature, fire-retardant etc. is born when can be long
Level V-O, minimum bending radius be 6 times of diameter, can anti lightning abrupt slope peak value 4400kV/s, yield strength 87N/mm2, elongation percentage
47%th, tensile strength is not less than 110N/mm2。
Embodiment 2：
A kind of flame retardant type flexible fire-proof cable, including top layer sheath 1, voided layer 2, it is solidified with 8wt% magnesium hydroxide flame retardants
Modification of nylon PA66 layers 3, supporting layer 4, liner 5, insulating barrier 6, the conductor 7 of agent；Top layer sheath 1 uses and is solidified with 8wt% hydrogen-oxygens
Change the modification heat vulcanized silicone rubber of magnesium fire retardant；Supporting layer 4 is made of graphitized carbon fibre；Liner 5 uses ENB ternary second
Third rubber is made；Insulating barrier 6 is made using epoxy resin with glass fibre by weight 9: 1 mixing material.
The manufacture method of the flame retardant type flexible fire-proof cable comprises the following steps：
1) selection of raw material and preparation
1. the raw material selection of top layer sheath 1 is solidified with the modification heat vulcanized silicone rubber of 8wt% flame retardant of magnesium hydroxide, choosing
The standard of selecting is：Specific insulation is not less than 2 × 1015Ω cm, dielectric strength not less than 200kV/cm, it is long when operating temperature model
Enclose -55~180 DEG C；
2. the raw material selection of modification of nylon PA66 layers 3 is solidified with the modification of nylon PA66 of 8wt% flame retardant of magnesium hydroxide；
3. the raw material selection graphitized carbon fibre of supporting layer 4；
4. the raw material selection ENB ethylene propylene diene rubbers of liner 5；
5. the mixing material of the raw material selection epoxy resin of insulating barrier 6 and glass fibre by weight 9: 1；
6. the raw material selection copper material of conductor 7 or aluminium；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture
The volume ratio of interior polyethylene glycol oxide and pure water is 3: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.08mm spray orifice pressurization, pressure limit
For 2bar, shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 15mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after
Charing process, preceding 800 DEG C of charing process temperature, processing time 10min, rear 1600 DEG C of charing process temperature, processing time 8min
Obtain carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned under 2500 DEG C of environment, protect
Warm 12s；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of flame retardant type flexible fire-proof cable
1. conductor 7 is woven, obtain stand-by conductor 7；
2. 1) 5. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor 7 that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, obtain stand-by
Core；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, 4. set that step obtains is sleeved on
Inner tube layer outer surface, obtain sleeve pipe middle level；
6. modification of nylon PA66 is woven in into 5. sleeve pipe middle level outer surface that step obtains, band modification of nylon PA66 layers are obtained
3 sleeve pipe middle level；
7. 1) top layer sheath 1 is made in 1. modification heat vulcanized silicone rubber that step in prepares, the internal diameter of the top layer sheath 1
It is bigger 2mm than the 6. sleeve pipe middle level external diameter with modification of nylon PA66 layers 3 that step obtains；
8. the 6. sleeve pipe middle level with modification of nylon PA66 layers 3 that 3. stand-by core inserting step that step is obtained obtains
In, obtain in assembly, then 7. top layer sheath 1 that the assembly entirety inserting step is obtained, i.e., flame retardant type needed for acquisition is soft
Property fireproof cable.
The cable sample produced according to the present embodiment, -70 DEG C~200 DEG C of operating temperature, fire-retardant etc. is born when can be long
Level V-0, minimum bending radius be 8 times of diameter, can anti lightning abrupt slope peak value 5300kV/s, yield strength 98N/mm2, elongation percentage
32%th, tensile strength is not less than 131N/mm2。
The foregoing description of the disclosed embodiments, only for enabling professional and technical personnel in the field to realize or using this
Invention.A variety of modifications to these embodiments will be apparent for those skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore,
The present invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent most wide scope of point.
Claims (2)
1. a kind of manufacture method of flame retardant type flexible fire-proof cable, it is characterised in that comprise the following steps：
1) selection of raw material and preparation
Top layer sheath 1. (1) raw material selection is solidified with the modification heat vulcanized silicone rubber of 5~8wt% flame retardant of magnesium hydroxide；
Modification of nylon PA66 layers 2. (3) raw material selection is solidified with the modification of nylon PA66 of 5~8wt% flame retardant of magnesium hydroxide；
Supporting layer 3. (4) raw material selection graphitized carbon fibre；
Liner 4. (5) raw material selection ENB ethylene propylene diene rubbers；
The mixing material of insulating barrier 5. (6) raw material selection epoxy resin and glass fibre by weight 9: 1；
Conductor 6. (7) raw material selection copper material or aluminium；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture cohesion
The volume ratio of ethylene oxide and pure water is 2.5-3: 7, obtains spinning solution；3. 2. spinning solution that step is obtained passes through hole
Footpath 0.05mm-0.08mm spray orifice pressurization is sprayed into coagulating bath, pressure limit 1.5bar-2bar, shower nozzle and coagulating bath liquid level
Distance is 10mm-15mm, obtains polyacrylonitrile fibril；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process and rear charing
Processing, preceding 750 DEG C -800 DEG C of charing process temperature, processing time 5min-10min, 1500 DEG C -1600 of rear charing process temperature
DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained carries out graphitization processing, will be positioned under 2400 DEG C of -2500 DEG C of environment, protect
Warm 8s-12s；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of flame retardant type flexible fire-proof cable
1. conductor (7) is woven, obtain stand-by conductor (7)；
2. 1) 5. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor (7) that step obtains is put into 2. encapsulation that step obtains to be packaged with fluid, stand-by core is obtained
Material；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, it is sleeved in 4. sleeve pipe that step obtains
Layer outer surface, obtains sleeve pipe middle level；
6. modification of nylon PA66 is woven in into 5. sleeve pipe middle level outer surface that step obtains, band modification of nylon PA66 layers (3) are obtained
Sleeve pipe middle level；
7. 1) top layer sheath (1) is made in 1. modification heat vulcanized silicone rubber that step in prepares, the internal diameter of the top layer sheath (1)
The sleeve pipe middle level external diameter of the band modification of nylon PA66 layers (3) 6. obtained than step is big 1mm~2mm；
8. in the sleeve pipe middle level of 6. band modification of nylon PA66 layers (3) that 3. stand-by core inserting step that step is obtained obtains,
Obtain in assembly, then 7. top layer sheath (1) that the assembly entirety inserting step is obtained, i.e., flame retardant type needed for acquisition is flexible
Fireproof cable.
A kind of 2. flame retardant type fire resistant flexible that manufacture method of flame retardant type flexible fire-proof cable produces according to claim 1
Cable, including top layer sheath (1), supporting layer (4), liner (5), insulating barrier (6), conductor (7), it is characterised in that：Protected on top layer
Voided layer (2) is additionally provided between set (1) and supporting layer (4), voided layer (2) is provided with supporting layer (4) intersection and is solidified with 5
The modification of nylon PA66 layers (3) of~8wt% flame retardant of magnesium hydroxide；Top layer sheath (1) uses and is solidified with 5~8wt% hydroxides
The modification heat vulcanized silicone rubber of magnesium fire retardant；Supporting layer (4) is made of graphitized carbon fibre；Liner (5) uses ENB ternarys
EP rubbers is made；Insulating barrier (6) is made using epoxy resin with glass fibre by weight 9: 1 mixing material.
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| CN106158121B true CN106158121B (en) | 2017-11-17 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835542A (en) * | 2007-10-11 | 2010-09-15 | 佐治亚科技研究公司 | Carbon fibers and films and methods of making same |
| CN201838354U (en) * | 2010-06-25 | 2011-05-18 | 四川正方高压线缆有限公司 | Fireproof flexible cable |
| CN102779573A (en) * | 2011-05-13 | 2012-11-14 | 远东电缆有限公司 | Fireproof cable and production process thereof |
| CN203689969U (en) * | 2013-12-11 | 2014-07-02 | 上海斯瑞科技有限公司 | Temperature-resistant and fire-resistant cable comprising carbon fiber composite tape |
| CN203839087U (en) * | 2014-03-18 | 2014-09-17 | 国家电网公司 | A high strength cable |
-
2016
- 2016-08-24 CN CN201610713319.8A patent/CN106158121B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835542A (en) * | 2007-10-11 | 2010-09-15 | 佐治亚科技研究公司 | Carbon fibers and films and methods of making same |
| CN201838354U (en) * | 2010-06-25 | 2011-05-18 | 四川正方高压线缆有限公司 | Fireproof flexible cable |
| CN102779573A (en) * | 2011-05-13 | 2012-11-14 | 远东电缆有限公司 | Fireproof cable and production process thereof |
| CN203689969U (en) * | 2013-12-11 | 2014-07-02 | 上海斯瑞科技有限公司 | Temperature-resistant and fire-resistant cable comprising carbon fiber composite tape |
| CN203839087U (en) * | 2014-03-18 | 2014-09-17 | 国家电网公司 | A high strength cable |
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