CN109192358A - A kind of cable and preparation method thereof of potent fire retardant insulating - Google Patents
A kind of cable and preparation method thereof of potent fire retardant insulating Download PDFInfo
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- CN109192358A CN109192358A CN201810818781.3A CN201810818781A CN109192358A CN 109192358 A CN109192358 A CN 109192358A CN 201810818781 A CN201810818781 A CN 201810818781A CN 109192358 A CN109192358 A CN 109192358A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/38—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes condensation products of aldehydes with amines or amides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The present invention provides a kind of cable and preparation method thereof of potent fire retardant insulating, is related to technical field of cable production.The cable is made of raw material from the following weight: 45-55 parts of copper, 15-25 parts of aluminium, 25-35 parts of tripolyphosphate, 6-8 parts of melamine, 2-4 parts of magnesium hydroxide, 25-35 parts of tricresyl phosphate, 6-8 parts of dicyandiamide, 2-4 parts of urea, 15-25 parts of aniline-formaldehyde resin, 10-14 parts of mica powder, 6-8 parts of polyimides, 2-4 parts of polydiphenyl ether.The present invention has the advantages that potent fire-retardant and insulation; two kinds of fire-retardant layer materials are made using a variety of fire proofings in process of production; so that cable obtains duplicate protection; good flame resistance; it is highly-safe; and insulating layer material is made using a variety of insulating materials, so that the good insulating of cable, long service life.
Description
Technical field
The present invention relates to technical field of cable production, and in particular to a kind of cable of potent fire retardant insulating and its preparation side
Method.
Background technique
Cable is made of one or more conductor and outsourcing protective layer, and electric power or information are transferred to another place from one
Conducting wire.At present cable mainly have power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable,
Signal cable, coaxial cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc., they be all by sub-thread or
Stranded conductor and protective layer composition, for connecting circuit, electric appliance etc..
Current cable preparation method is not mature enough, and causes the anti-flammability of cable and insulating properties poor, cable safety
Property is lower, is particularly used in the densely populated places such as subway, skyscraper and various venue buildings, in case of fire,
Wire combustion will cause great harm, bring biggish trouble to user.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of cable and preparation method thereof of potent fire retardant insulating, the present invention
Have the advantages that potent fire-retardant and insulation, two kinds of fire-retardant layer materials are made using a variety of fire proofings in process of production, so that
Cable obtains duplicate protection, and good flame resistance is highly-safe, and insulating layer material is made using a variety of insulating materials, so that electric
The good insulating of cable, long service life.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of cable of potent fire retardant insulating, the cable are made of raw material from the following weight: 45-55 parts of copper, aluminium 15-
25 parts, 25-35 parts of tripolyphosphate, 6-8 parts of melamine, 2-4 parts of magnesium hydroxide, 25-35 parts of tricresyl phosphate, dicyandiamide
6-8 parts, 2-4 parts of urea, 15-25 parts of aniline-formaldehyde resin, 10-14 parts of mica powder, 6-8 parts of polyimides, polydiphenyl ether 2-4
Part.
Preferably, the cable is made of raw material from the following weight: 50 parts of copper, 20 parts of aluminium, 30 parts of tripolyphosphate, three
7 parts of poly cyanamid, 3 parts of magnesium hydroxide, 30 parts of tricresyl phosphate, 7 parts of dicyandiamide, 3 parts of urea, 20 parts of aniline-formaldehyde resin, powder
12 parts of mica, 7 parts of polyimides, 3 parts of polydiphenyl ether.
Preferably, the cable preparation method the following steps are included:
(1) copper and aluminium are put into smelting furnace and are melted and stirred, copper and aluminium melting and after mixing, by melting
In copper and aluminium injection continuous casting and continuous rolling mill, obtain cable pole stock, will cable pole stock it is cooling after carry out wire drawing process, then to cable pole stock according to
It is secondary to carry out annealing and cooling and shaping processing, obtain cable core material；
(2) tripolyphosphate, melamine and magnesium hydroxide are put into kneading machine and is kneaded, again by it after mixing
It puts into pelletizer and is granulated, obtain the first fire-retardant layer material, the first fire-retardant layer material is put into extruder, and in cable core
The external of material coats the first fire-retardant layer material, then is cooled and shaped to it；
(3) tricresyl phosphate, dicyandiamide and urea are put into kneading machine again and is kneaded, thrown again after mixing
Enter and be granulated into pelletizer, obtain the second fire-retardant layer material, the second fire-retardant layer material is put into extruder, and in cable core material
Outside coat the second fire-retardant layer material again, then it is cooled and shaped, obtains flame retardant cable core material；
(4) will aniline-formaldehyde resin and polyimides mix after put into and carry out melting in smelting furnace, then by mica powder and
It is added in smelting furnace, and is stirred after polydiphenyl ether mixing, obtain insulating layer material, insulating layer material is put into crowded
Out in machine, external in inflaming retarding core material coats insulating layer material, and cable core material finished product is obtained after cooling and shaping；
(5) cable cover(ing) is coated in the external of cable core material finished product, obtains product.
Preferably, smelting temperature is 840-960 DEG C, melting time 4.5-5.5h, soaking time 3.5- in step (1)
4.5h, first time cooling temperature are 25-40 DEG C.
Preferably, annealing temperature is 460-540 DEG C, annealing time 3.5-4.5h in step (1), second of cooling temperature
It is 20-30 DEG C.
Preferably, melting temperature is 180-220 DEG C, mixing time 2.5-3.5h in step (2) and step (3), cooling
Temperature is 25-35 DEG C.
Preferably, smelting temperature is 120-160 DEG C, smelting time 1.5-2.5h, and cooling temperature is 20-30 DEG C.
The present invention provides a kind of cable and preparation method thereof of potent fire retardant insulating, and advantage is compared with prior art:
(1) present invention uses tripolyphosphate, melamine and magnesium hydroxide for the made of raw material first fire-retardant layer material,
And it is coated on the outside of cable pole stock, effective protection can be carried out to cable, improve the anti-flammability of cable, and had anti-
The characteristic of water, it is highly-safe；
(2) present invention uses tricresyl phosphate, dicyandiamide and urea for the made of raw material second fire-retardant layer material, with the
One fire-retardant layer material cooperates, so that cable obtains dual fire-resisting protection, flame retardant effect is more preferable；
(3) present invention uses aniline-formaldehyde resin, mica powder, polyimides and polydiphenyl ether for insulating layer made of raw material
Material can effectively improve the insulation of cable by coating insulating layer material again outside the cable core material for being coated with flame-retardant layer
Property, extend the service life of cable.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of cable of potent fire retardant insulating, the cable are made of raw material from the following weight: 45-55 parts of copper, aluminium 15-
25 parts, 25 parts of tripolyphosphate, 6 parts of melamine, 2 parts of magnesium hydroxide, 25 parts of tricresyl phosphate, 6 parts of dicyandiamide, urea 2
Part, 15 parts of aniline-formaldehyde resin, 10 parts of mica powder, 6 parts of polyimides, 2 parts of polydiphenyl ether.
The preparation method of the cable the following steps are included:
(1) copper and aluminium are put into smelting furnace and are melted and stirred, copper and aluminium melting and after mixing, by melting
In copper and aluminium injection continuous casting and continuous rolling mill, obtain cable pole stock, will cable pole stock it is cooling after carry out wire drawing process, then to cable pole stock according to
It is secondary to carry out annealing and cooling and shaping processing, obtain cable core material；
(2) tripolyphosphate, melamine and magnesium hydroxide are put into kneading machine and is kneaded, again by it after mixing
It puts into pelletizer and is granulated, obtain the first fire-retardant layer material, the first fire-retardant layer material is put into extruder, and in cable core
The external of material coats the first fire-retardant layer material, then is cooled and shaped to it；
(3) tricresyl phosphate, dicyandiamide and urea are put into kneading machine again and is kneaded, thrown again after mixing
Enter and be granulated into pelletizer, obtain the second fire-retardant layer material, the second fire-retardant layer material is put into extruder, and in cable core material
Outside coat the second fire-retardant layer material again, then it is cooled and shaped, obtains flame retardant cable core material；
(4) will aniline-formaldehyde resin and polyimides mix after put into and carry out melting in smelting furnace, then by mica powder and
It is added in smelting furnace, and is stirred after polydiphenyl ether mixing, obtain insulating layer material, insulating layer material is put into crowded
Out in machine, external in inflaming retarding core material coats insulating layer material, and cable core material finished product is obtained after cooling and shaping；
(5) cable cover(ing) is coated in the external of cable core material finished product, obtains product.
Wherein, smelting temperature is 840-960 DEG C, melting time 4.5-5.5h, soaking time 3.5- in step (1)
4.5h, first time cooling temperature are 25-40 DEG C；Annealing temperature is 460-540 DEG C, annealing time 3.5-4.5h in step (1),
Second of cooling temperature is 20-30 DEG C；Melting temperature is 180-220 DEG C in step (2) and step (3), mixing time 2.5-
3.5h, cooling temperature are 25-35 DEG C；Smelting temperature is 120-160 DEG C, smelting time 1.5-2.5h, cooling temperature 20-30
℃。
Embodiment 2:
A kind of cable of potent fire retardant insulating, the cable are made of raw material from the following weight: 50 parts of copper, 20 parts of aluminium,
30 parts of tripolyphosphate, 7 parts of melamine, 3 parts of magnesium hydroxide, 30 parts of tricresyl phosphate, 7 parts of dicyandiamide, 3 parts of urea, benzene
20 parts of amine-formaldehyde resins, 12 parts of mica powder, 7 parts of polyimides, 3 parts of polydiphenyl ether.
The preparation method of the cable the following steps are included:
(1) copper and aluminium are put into smelting furnace and are melted and stirred, copper and aluminium melting and after mixing, by melting
In copper and aluminium injection continuous casting and continuous rolling mill, obtain cable pole stock, will cable pole stock it is cooling after carry out wire drawing process, then to cable pole stock according to
It is secondary to carry out annealing and cooling and shaping processing, obtain cable core material；
(2) tripolyphosphate, melamine and magnesium hydroxide are put into kneading machine and is kneaded, again by it after mixing
It puts into pelletizer and is granulated, obtain the first fire-retardant layer material, the first fire-retardant layer material is put into extruder, and in cable core
The external of material coats the first fire-retardant layer material, then is cooled and shaped to it；
(3) tricresyl phosphate, dicyandiamide and urea are put into kneading machine again and is kneaded, thrown again after mixing
Enter and be granulated into pelletizer, obtain the second fire-retardant layer material, the second fire-retardant layer material is put into extruder, and in cable core material
Outside coat the second fire-retardant layer material again, then it is cooled and shaped, obtains flame retardant cable core material；
(4) will aniline-formaldehyde resin and polyimides mix after put into and carry out melting in smelting furnace, then by mica powder and
It is added in smelting furnace, and is stirred after polydiphenyl ether mixing, obtain insulating layer material, insulating layer material is put into crowded
Out in machine, external in inflaming retarding core material coats insulating layer material, and cable core material finished product is obtained after cooling and shaping；
(5) cable cover(ing) is coated in the external of cable core material finished product, obtains product.
Wherein, smelting temperature is 840-960 DEG C, melting time 4.5-5.5h, soaking time 3.5- in step (1)
4.5h, first time cooling temperature are 25-40 DEG C；Annealing temperature is 460-540 DEG C, annealing time 3.5-4.5h in step (1),
Second of cooling temperature is 20-30 DEG C；Melting temperature is 180-220 DEG C in step (2) and step (3), mixing time 2.5-
3.5h, cooling temperature are 25-35 DEG C；Smelting temperature is 120-160 DEG C, smelting time 1.5-2.5h, cooling temperature 20-30
℃。
Embodiment 3:
A kind of cable of potent fire retardant insulating, the cable are made of raw material from the following weight: 55 parts of copper, 25 parts of aluminium,
35 parts of tripolyphosphate, 8 parts of melamine, 4 parts of magnesium hydroxide, 35 parts of tricresyl phosphate, 8 parts of dicyandiamide, 4 parts of urea, benzene
25 parts of amine-formaldehyde resins, 14 parts of mica powder, 8 parts of polyimides, 4 parts of polydiphenyl ether.
The preparation method of the cable the following steps are included:
(1) copper and aluminium are put into smelting furnace and are melted and stirred, copper and aluminium melting and after mixing, by melting
In copper and aluminium injection continuous casting and continuous rolling mill, obtain cable pole stock, will cable pole stock it is cooling after carry out wire drawing process, then to cable pole stock according to
It is secondary to carry out annealing and cooling and shaping processing, obtain cable core material；
(2) tripolyphosphate, melamine and magnesium hydroxide are put into kneading machine and is kneaded, again by it after mixing
It puts into pelletizer and is granulated, obtain the first fire-retardant layer material, the first fire-retardant layer material is put into extruder, and in cable core
The external of material coats the first fire-retardant layer material, then is cooled and shaped to it；
(3) tricresyl phosphate, dicyandiamide and urea are put into kneading machine again and is kneaded, thrown again after mixing
Enter and be granulated into pelletizer, obtain the second fire-retardant layer material, the second fire-retardant layer material is put into extruder, and in cable core material
Outside coat the second fire-retardant layer material again, then it is cooled and shaped, obtains flame retardant cable core material；
(4) will aniline-formaldehyde resin and polyimides mix after put into and carry out melting in smelting furnace, then by mica powder and
It is added in smelting furnace, and is stirred after polydiphenyl ether mixing, obtain insulating layer material, insulating layer material is put into crowded
Out in machine, external in inflaming retarding core material coats insulating layer material, and cable core material finished product is obtained after cooling and shaping；
(5) cable cover(ing) is coated in the external of cable core material finished product, obtains product.
Wherein, smelting temperature is 840-960 DEG C, melting time 4.5-5.5h, soaking time 3.5- in step (1)
4.5h, first time cooling temperature are 25-40 DEG C；Annealing temperature is 460-540 DEG C, annealing time 3.5-4.5h in step (1),
Second of cooling temperature is 20-30 DEG C；Melting temperature is 180-220 DEG C in step (2) and step (3), mixing time 2.5-
3.5h, cooling temperature are 25-35 DEG C；Smelting temperature is 120-160 DEG C, smelting time 1.5-2.5h, cooling temperature 20-30
℃。
Embodiment 4:
Detect the fire retardant insulating performance of cable of the present invention, cable obtained by selection above-described embodiment 1-3 and general on the market
Logical cable, using fire resistance test device detection cable anti-flammability (runing time under the conditions of 750 DEG C of -850 DEG C of temperature:
Min), using the insulating properties of Insulation Resistance Tester detection cable (insulating resistance value: Ω/m), with embodiment 1-3 resulting materials
For experimental group 1-3, common cable is control group, as a result as shown in the table:
| Group | Experimental group 1 | Experimental group 2 | Experimental group 3 | Control group |
| Anti-flammability | 100 | 120 | 110 | 30 |
| Insulating properties | 6500 | 7500 | 6800 | 4500 |
As seen from the above table, the fire-retardant and insulating properties of cable obtained by the present invention is far superior to common cable, and 2 institute of embodiment
The fire-retardant and insulation performance of cable obtained is best.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of cable of potent fire retardant insulating, which is characterized in that the cable is made of raw material from the following weight: copper 45-
55 parts, 15-25 parts of aluminium, 25-35 parts of tripolyphosphate, 6-8 parts of melamine, 2-4 parts of magnesium hydroxide, tricresyl phosphate 25-
35 parts, it is 6-8 parts of dicyandiamide, 2-4 parts of urea, 15-25 parts of aniline-formaldehyde resin, 10-14 parts of mica powder, 6-8 parts of polyimides, poly-
2-4 parts of diphenyl ether.
2. a kind of cable of potent fire retardant insulating according to claim 1, which is characterized in that the cable is by following weight
The raw material of part is made: 50 parts of copper, 20 parts of aluminium, 30 parts of tripolyphosphate, 7 parts of melamine, 3 parts of magnesium hydroxide, phosphate trimethylbenzene
30 parts of ester, 7 parts of dicyandiamide, 3 parts of urea, 20 parts of aniline-formaldehyde resin, 12 parts of mica powder, 7 parts of polyimides, 3 parts of polydiphenyl ether.
3. a kind of preparation method of the cable of potent fire retardant insulating according to claim 1, which is characterized in that the cable
Preparation method the following steps are included:
(1) copper and aluminium are put into smelting furnace and are melted and stirred, copper and aluminium melting and after mixing, by the copper of melting with
Aluminium injects in continuous casting and continuous rolling mill, obtains cable pole stock, will cable pole stock it is cooling after carry out wire drawing process, then to cable pole stock successively into
Row annealing and cooling and shaping processing, obtain cable core material；
(2) tripolyphosphate, melamine and magnesium hydroxide are put into kneading machine and is kneaded, put into again after mixing
It is granulated in pelletizer, obtains the first fire-retardant layer material, the first fire-retardant layer material put into extruder, and in cable core material
Outside the first fire-retardant layer material of cladding, then it is cooled and shaped；
(3) tricresyl phosphate, dicyandiamide and urea are put into kneading machine again and is kneaded, put into again after mixing
It is granulated in pelletizer, obtains the second fire-retardant layer material, the second fire-retardant layer material is put into extruder, and in the outer of cable core material
Portion coats the second fire-retardant layer material again, then is cooled and shaped to it, obtains flame retardant cable core material；
(4) will aniline-formaldehyde resin and polyimides mix after put into and carry out melting in smelting furnace, then by mica powder and poly- two
It is added in smelting furnace, and is stirred after phenylate mixing, obtain insulating layer material, insulating layer material is put into extruder
Interior, external in inflaming retarding core material coats insulating layer material, and cable core material finished product is obtained after cooling and shaping；
(5) cable cover(ing) is coated in the external of cable core material finished product, obtains product.
4. a kind of cable preparation method of potent fire retardant insulating according to claim 3, it is characterised in that: in step (1)
Smelting temperature is 840-960 DEG C, melting time 4.5-5.5h, soaking time 3.5-4.5h, and first time cooling temperature is 25-
40℃。
5. a kind of cable preparation method of potent fire retardant insulating according to claim 3, it is characterised in that: in step (1)
Annealing temperature is 460-540 DEG C, and annealing time 3.5-4.5h, second of cooling temperature is 20-30 DEG C.
6. a kind of cable preparation method of potent fire retardant insulating according to claim 3, it is characterised in that: step (2) and
Melting temperature is 180-220 DEG C, mixing time 2.5-3.5h in step (3), and cooling temperature is 25-35 DEG C.
7. a kind of cable preparation method of potent fire retardant insulating according to claim 3, it is characterised in that: smelting temperature is
120-160 DEG C, smelting time 1.5-2.5h, cooling temperature is 20-30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818781.3A CN109192358A (en) | 2018-07-24 | 2018-07-24 | A kind of cable and preparation method thereof of potent fire retardant insulating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810818781.3A CN109192358A (en) | 2018-07-24 | 2018-07-24 | A kind of cable and preparation method thereof of potent fire retardant insulating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109192358A true CN109192358A (en) | 2019-01-11 |
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| CN201810818781.3A Pending CN109192358A (en) | 2018-07-24 | 2018-07-24 | A kind of cable and preparation method thereof of potent fire retardant insulating |
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Cited By (1)
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| CN109880284A (en) * | 2019-03-21 | 2019-06-14 | 安徽天元电缆有限公司 | A kind of potent fire-proof high-temperature resistant cable and preparation method thereof |
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