CN108682518A - A kind of method of anti-cable insulation oxidation - Google Patents
A kind of method of anti-cable insulation oxidation Download PDFInfo
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- CN108682518A CN108682518A CN201810530138.0A CN201810530138A CN108682518A CN 108682518 A CN108682518 A CN 108682518A CN 201810530138 A CN201810530138 A CN 201810530138A CN 108682518 A CN108682518 A CN 108682518A
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- cable insulation
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- cable
- pearl coating
- titanium pearl
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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
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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
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- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of methods of anti-cable insulation oxidation, are related to communicating field of material technology；Pass through one layer of titanium pearl coating of high steam spray gun spraying in cable insulation layer surface, and titanium pearl coating cable insulating layer will be coated with and be put into vacuum drying oven, by being evacuated to 2 10 pas or more, heating sintering, the nitrate methanol solution for containing 0.1~5% distilled water afterwards is handled, obtained cable insulation antioxygenic property very than general cable insulation is strong, corrosion resistance, oil resistant, strong acid, anti-highly basic etc., with excellent electrical insulation capability, high voltage withstanding, high-frequency loss is small, nonhygroscopic, insulation resistance is big；It is long with excellent resistance to combustion, ageing-resistant performance, service life.
Description
Technical field：
The present invention relates to communication Material Fields, and in particular to a kind of method of anti-cable insulation oxidation.
Background technology：
Cable is typically by several or several groups of conducting wires form.Cable is typically by several or class made of several groups of wire strandings
Like the cable of rope, mutually insulated between every group of conducting wire, and be often twisted into around a center, entire outside is surrounded by high-insulation
Coating.Multi rack is located at aerial or is mounted in underground, the bottom, is used for telecommunication or power Transmission.
Cable is mainly made of following 4 part.1. conducting wire center：It is made of high conductivity material (copper or aluminium).According to deposited
If requirement of the use condition to cable softness, the every line heart may be twisted by solid conductor or multiple conducting wires.2. absolutely
Edge layer：Insulating materials as cable should have high insulation resistance, high breakdown field strength, low dielectric loss and low
Dielectric constant.Common insulating materials has oil-paper, polyvinyl chloride, polyethylene, crosslinked polyethylene, rubber etc. in cable.Electricity
Cable is often classified with insulating materials, such as oil-impregnated paper insulation cable, polyvinyl chloride cable, twisted polyethylene cable etc..3. sealing shield
Set：Protect protection insulated wire heart from the damage of machinery, moisture, moisture, chemical substance, light etc..Insulation for moisture-sensitive, is generally adopted
With lead or aluminium extrusion sealing sheath.4. protecting coating：To protect sealing sheath from mechanical damage.Generally use galvanized steel
Band, steel wire or copper strips, copper wire etc. surround as armor outside sheath, and armor plays electric field shielding and prevents external electromagnetic wave simultaneously
The effect of interference.In order to avoid steel band, steel wire are corroded by surrounding media, pitch or wrapping dipping generally outside them
Corchorus or extruded polyethylene, polyvinyl chloride set.
Cable insulation goes wrong always, after peeling off sheath, it is found that the oxidation of insulating layer is very serious, nor whole oxygen
Change, it is sometimes sectional, have plenty of shielded layer nigrescence, more seriously shielded layer becomes linen powder, directly
Connecing causes shielded layer obstructed, and for problems, the present invention develops a kind of method of anti-cable insulation oxidation.
Invention content：
Technical problem to be solved by the present invention lies in a kind of method of anti-cable insulation oxidation is provided, it is suitable for communication
The protection of industry cable, the technical problems to be solved by the invention are realized using following technical scheme：
A kind of method of anti-cable insulation oxidation, including specific technical solution are as follows：
(1) titanium pearl coating is pumped by height by one layer of titanium pearl coating of high steam spray gun spraying in cable insulation layer surface
It presses in steam spraying gun, titanium pearl coating is lasting during being pumped into be stirred, and titanium pearl coating is beaten in high steam spray gun by high steam
It dissipates and goes out with jet-impingement, high pressure draught directly acts on cable insulation layer surface, air velocity in a manner of uniformly strafing
It it is 60 DEG C~100 DEG C for 500m/s~510m/s, high pressure gas temperature, jet length 35mm, high pressure draught acts on cable
The angle of surface of insulating layer is 45 °~75 °, and it is the high painting of 15 μm~25 μm of compactness to form thickness in cable insulation layer surface
Layer.
(2) titanium pearl coating cable insulating layer will be coated with to move into vacuum drying oven, be evacuated to 2-10 pas or more, heating is burnt
Knot；Sintering method is：With 20~40 DEG C/min speed is from room temperature to 1000~1600 DEG C of sintering temperature, in sintering temperature
Heat preservation 0~10 hour, then room temperature is cooled to from sintering temperature with the speed of 0.1~100 DEG C/min, take out sintered titanium pearl coating
Cable insulation, it is molten that the cable insulation of sintered titanium pearl coating is put into the nitrate methanol containing 0.1~5% distilled water
It is small to handle at 0~60 DEG C 0.1~10 using the voltage of 10~60V using the cable insulation of sintered titanium pearl coating as anode for liquid
Shi Hou takes out cable insulation, a kind of method i.e. completion of anti-cable insulation oxidation.The purpose of electrochemical treatments is to titanium pearl
Coating carries out positive oxidation, and the superficial layer of Detitanium-ore-type is made on surface, is reacted with methanol and generates metatitanic acid methyl esters.Due to depositing for water
Metatitanic acid methyl esters hydrolyzes rapidly, forms unformed TiO2, wherein including the Ti-OH of high activity.
The nitrate methanol solution ingredient is selected as methanol, 0.1~5% distillation, NaNO3、KNO3In one kind or its mixing
Object, solution ratio are nitrate: methanol=1: 100~1: 1, the distilled water of 0.1~5% mass ratio is added on this basis.
The titanium pearl coating includes：15-35 parts of titanium dioxide, 20-30 parts of nickel chloride, 20-30 parts of sodium hypophosphite, carboxylic first
30-40 parts of base sodium cellulosate, 5-10 parts of sodium acetate, 0.5-1 parts of phenyl sodium disulfonate, 3.5-4.5 parts of copper chloride, copper sulphate 1.5-
2 parts, 15-20 parts of sodium ethylene diamine tetracetate, 10-20 parts of succinic acid dihexyl sodium sulfonate, phenyl dithiopropane sodium sulfonate 0.5-2
Part；PH value is adjusted using NaOH to 7.0-8.0, and temperature is 60-90 degrees Celsius when high steam spray gun spraying, and spray time is
15-30min, the thickness of titanium pearl coating is 15 μm~25 μm after spraying.
A kind of the advantages of method of anti-cable insulation oxidation of the present invention, is：
Cable insulation prepared by the method for the anti-cable insulation oxidation of the present invention is very more anti-oxidant than general cable insulation
Performance is strong, corrosion resistance, oil resistant, strong acid, anti-highly basic etc., has excellent electrical insulation capability, high voltage withstanding, high-frequency loss
It is small, nonhygroscopic, insulation resistance is big；It is long with excellent resistance to combustion, ageing-resistant performance, service life.
Specific implementation mode：
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1：
A kind of method of anti-cable insulation oxidation；
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of method of anti-cable insulation oxidation, including specific technical solution are as follows：
(1) titanium pearl coating is pumped by height by one layer of titanium pearl coating of high steam spray gun spraying in cable insulation layer surface
It presses in steam spraying gun, titanium pearl coating is lasting during being pumped into be stirred, and titanium pearl coating is beaten in high steam spray gun by high steam
It dissipates and goes out with jet-impingement, high pressure draught directly acts on cable insulation layer surface, air velocity in a manner of uniformly strafing
It it is 90 DEG C for 500m/s, high pressure gas temperature, jet length 35mm, high pressure draught acts on the angle of cable insulation layer surface
It it is 60 °, it is the high coating of 15 μm of compactness to form thickness in cable insulation layer surface.
(2) titanium pearl coating cable insulating layer will be coated with to move into vacuum drying oven, be evacuated to 5 pas or more, heating sintering；It burns
Knot method is：With 25 DEG C/min speed keeps the temperature 4 hours from room temperature to 1000 DEG C of sintering temperature in sintering temperature, then with
The speed of 10 DEG C/min is cooled to room temperature from sintering temperature, the cable insulation of sintered titanium pearl coating is taken out, by sintered titanium
The cable insulation of pearl coating is put into the nitrate methanol solution containing 1.5% distilled water, exhausted with the cable of sintered titanium pearl coating
Edge layer is anode, after being handled 3 hours at 30 DEG C using the voltage of 20V, takes out cable insulation, a kind of anti-cable insulation oxidation
Method i.e. complete.The purpose of electrochemical treatments is to carry out positive oxidation to titanium pearl coating, and the table of Detitanium-ore-type is made on surface
Face layer, reacts with methanol and generates metatitanic acid methyl esters.Due to the presence of water, metatitanic acid methyl esters hydrolyzes rapidly, forms unformed TiO2, wherein
Include the Ti-OH of high activity.
The nitrate methanol solution ingredient is selected as methanol, 5% distillation, NaNO3And KNO3Mixture, solution ratio are
Nitrate: methanol=1: 20, the distilled water of 5% mass ratio is added on this basis.
The titanium pearl coating includes：15 parts of titanium dioxide, 20 parts of nickel chloride, 21 parts of sodium hypophosphite, carboxymethyl cellulose
30 parts of sodium, 5 parts of sodium acetate, 0.5 part of phenyl sodium disulfonate, 3.5 parts of copper chloride, 1.5 parts of copper sulphate, sodium ethylene diamine tetracetate 15
Part, 11 parts of succinic acid dihexyl sodium sulfonate, 2 parts of phenyl dithiopropane sodium sulfonate adjust pH value to 7.0 using NaOH, and high pressure is steamed
Temperature is 90 degrees Celsius, spray time 15min when vapour spray gun spraying, and the thickness of titanium pearl coating is 15 μm after spraying.
Embodiment 2：
A kind of method of anti-cable insulation oxidation；
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of method of anti-cable insulation oxidation, including specific technical solution are as follows：
(1) titanium pearl coating is pumped by height by one layer of titanium pearl coating of high steam spray gun spraying in cable insulation layer surface
It presses in steam spraying gun, titanium pearl coating is lasting during being pumped into be stirred, and titanium pearl coating is beaten in high steam spray gun by high steam
It dissipates and goes out with jet-impingement, high pressure draught directly acts on cable insulation layer surface, air velocity in a manner of uniformly strafing
It it is 95 DEG C for 505m/s, high pressure gas temperature, jet length 35mm, high pressure draught acts on the angle of cable insulation layer surface
It it is 45 °, it is the high coating of 20 μm of compactness to form thickness in cable insulation layer surface.
(2) titanium pearl coating cable insulating layer will be coated with to move into vacuum drying oven, be evacuated to 2 pas or more, heating sintering；It burns
Knot method is：With 25 DEG C/min speed keeps the temperature 4 hours from room temperature to 1100 DEG C of sintering temperature in sintering temperature, then with
The speed of 10 DEG C/min is cooled to room temperature from sintering temperature, the cable insulation of sintered titanium pearl coating is taken out, by sintered titanium
The cable insulation of pearl coating is put into the nitrate methanol solution containing 5% distilled water, with the cable insulation of sintered titanium pearl coating
Layer is anode, after handle 3 hours at 40 DEG C using the voltage of 60V, takes out cable insulation, what a kind of anti-cable insulation aoxidized
Method is completed.The purpose of electrochemical treatments is to carry out positive oxidation to titanium pearl coating, and the surface of Detitanium-ore-type is made on surface
Layer reacts with methanol and generates metatitanic acid methyl esters.Due to the presence of water, metatitanic acid methyl esters hydrolyzes rapidly, forms unformed TiO2, wherein wrapping
Ti-OH containing high activity.
The nitrate methanol solution ingredient is selected as methanol, 5% distillation, NaNO3, solution ratio is nitrate: methanol
=1: 30, the distilled water of 5% mass ratio is added on this basis.
The titanium pearl coating includes：20 parts of titanium dioxide, 23 parts of nickel chloride, 24 parts of sodium hypophosphite, carboxymethyl cellulose
31 parts of sodium, 8 parts of sodium acetate, 1 part of phenyl sodium disulfonate, 4.5 parts of copper chloride, 2 parts of copper sulphate, 15 parts of sodium ethylene diamine tetracetate, fourth
20 parts of adipate sodium sulfonate, 2 parts of phenyl dithiopropane sodium sulfonate use NaOH adjusting pH value to 8.0, high steam spray gun
Temperature is 90 degrees Celsius, spray time 15-30min when spraying, and the thickness of titanium pearl coating is 20 μm after spraying.
To carrying out experiment investigation respectively in embodiment provided by the invention, by prepared by embodiment 1 and 2 method of embodiment
Cable insulation is investigated, and the results are shown in Table 1；
The anti-oxidant detection of 1 cable insulation of table
By the above results show that：Cable insulation prepared by the method for the anti-cable insulation oxidation of the present invention is than general cable
Insulating layer very antioxygenic property is strong, corrosion resistance, oil resistant, strong acid, anti-highly basic etc., has excellent electrical insulation capability, resistance to height
Voltage, high-frequency loss is small, nonhygroscopic, insulation resistance is big；It is long with excellent resistance to combustion, ageing-resistant performance, service life.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of method of anti-cable insulation oxidation, it is characterised in that：The method and step of anti-cable insulation oxidation is as follows：
(1) titanium pearl coating is pumped into high pressure and is steamed by one layer of titanium pearl coating of high steam spray gun spraying in cable insulation layer surface
In vapour spray gun, titanium pearl coating is lasting during being pumped into be stirred, and titanium pearl coating is broken up simultaneously in high steam spray gun by high steam
It goes out with jet-impingement, high pressure draught directly acts on cable insulation layer surface in a manner of uniformly strafing, and air velocity is
500m/s~510m/s, high pressure gas temperature be 60 DEG C~100 DEG C, jet length 35mm, and it is exhausted that high pressure draught acts on cable
The angle on edge layer surface is 45 °~75 °, and it is the high coating of 15 μm~25 μm of compactness to form thickness in cable insulation layer surface；
(2) titanium pearl coating cable insulating layer will be coated with to move into vacuum drying oven, be evacuated to 2-10 pas or more, heating sintering；It burns
Knot method is：With 20~40 DEG C/min speed keeps the temperature 0 from room temperature to 1000~1600 DEG C of sintering temperature in sintering temperature
~10 hours, then room temperature is cooled to from sintering temperature with the speed of 0.1~100 DEG C/min, take out the electricity of sintered titanium pearl coating
The cable insulation of sintered titanium pearl coating is put into the nitrate methanol solution containing 0.1~5% distilled water by cable insulating layer, with
The cable insulation of sintered titanium pearl coating is anode, after being handled 0.1~10 hour at 0~60 DEG C using the voltage of 10~60V,
Cable insulation is taken out, the method for anti-cable insulation oxidation is completed.
2. the method for anti-cable insulation oxidation according to claim 1, it is characterised in that：The nitrate methanol solution
Ingredient is selected as methanol, 0.1~5% distillation, NaNO3、KNO3In or mixtures thereof one kind, solution ratio is nitrate: methanol
=1: 100~1: 1, the distilled water of 0.1~5% mass ratio is added on this basis.
3. the method for anti-cable insulation oxidation according to claim 2, it is characterised in that：The titanium Zhu Tuliaobao
It includes：15-35 parts of titanium dioxide, 20-30 parts of nickel chloride, 20-30 parts of sodium hypophosphite, 30-40 parts of sodium carboxymethylcellulose, sodium acetate
5-10 parts, 0.5-1 parts of phenyl sodium disulfonate, 3.5-4.5 parts of copper chloride, 1.5-2 parts of copper sulphate, sodium ethylene diamine tetracetate 15-20
Part, 10-20 parts of succinic acid dihexyl sodium sulfonate, 0.5-2 parts of phenyl dithiopropane sodium sulfonate；PH value is adjusted to 7.0- using NaOH
8.0, temperature is 60-90 degrees Celsius, spray time 15-30min when high steam spray gun spraying, the thickness of titanium pearl coating after spraying
Degree is 15 μm~25 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530138.0A CN108682518A (en) | 2018-05-29 | 2018-05-29 | A kind of method of anti-cable insulation oxidation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810530138.0A CN108682518A (en) | 2018-05-29 | 2018-05-29 | A kind of method of anti-cable insulation oxidation |
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| CN108682518A true CN108682518A (en) | 2018-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491605A (en) * | 2019-08-30 | 2019-11-22 | 安徽省通信产业服务有限公司 | A kind of method of anti-cable insulation oxidation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491605A (en) * | 2019-08-30 | 2019-11-22 | 安徽省通信产业服务有限公司 | A kind of method of anti-cable insulation oxidation |
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Application publication date: 20181019 |