CN101246764B - Composite for overhead transmission cable and method for preparing thereof - Google Patents
Composite for overhead transmission cable and method for preparing thereof Download PDFInfo
- Publication number
- CN101246764B CN101246764B CN2007103007055A CN200710300705A CN101246764B CN 101246764 B CN101246764 B CN 101246764B CN 2007103007055 A CN2007103007055 A CN 2007103007055A CN 200710300705 A CN200710300705 A CN 200710300705A CN 101246764 B CN101246764 B CN 101246764B
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- center conductor
- transmission cable
- overhead transmission
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B13/30—Drying; Impregnating
-
- 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
- H01B13/32—Filling or coating with impervious material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A polymer composite wire used in the overhead transmission cable strengthening member includes the high voltage central wire coated with the insulating materials and a plurality of outer wires arranged outside the central wires, wherein the outer wires are arranged in parallel along the length direction of the central wire or twisting the central wire in the helical way, and the outside of the outer wires are enclosed by the winding material made of insulating resin, the central wires and the outer wires are made of the combinations for preparing the fiber strengthening polymer composite, wherein the composite includes thermosetting resin selected from any of the epoxy resin, the undaturated polyesters resins, the bismaleimide resin and the polyamide resin; the liquid solidifying agent of the anhydride compound or amine-group compound; the accelerant of imidazole compound or borontrifluoride ethylamine compound; zinc stearate release agent; the filling of nm clay or ataple glass fiber.
Description
Technical field
The present invention relates to polymer compound wire that is used for overhead transmission cable reinforcement members (strength member) and preparation method thereof; And be particularly related to the polymer compound wire that is used for the overhead transmission cable reinforcement members; It comprises high pressure center lead and a plurality of outer conductor that surrounds the center conductor outside of arranging that has applied insulating material; Wherein outer conductor is arranged in parallel or coils center conductor with the mode of spiral along the length direction of center conductor; And the outside of outer conductor uses the winding material of being processed by insulating resin to center on; Therefore the polymer compound wire at high temperature demonstrates low thermal coefficient of expansion with the maintaining heat characteristic, reduces sag and has enough mechanical strengths, comprises hot strength and flexural property.
Background technology
Usually, conventional overhead transmission cable uses ACSR (the aluminium conductor steel is strengthened) cable, and wherein the periphery along the steel wire strand that is used to share pulling force (steel wire strand) forms the conductive layer of processing with aluminum or aluminum alloy.But the thermal coefficient of expansion of steel wire strand is along with temperature increases in proportion, so the ACSR cable is sagging owing to the increase of temperature in the transmission quantity increase, thereby whole overhead transmission cable is sagging.For fear of such sag, the number that head tower is set up enough highly or the increase head tower is set up is to shorten the spacing between head tower.But these methods can not be dealt with problems ultimately, but have produced new problem at economic aspect.
U.S. Patent number 6,796,365 have instructed the compound of making electric wire, and it comprises the fibre strengthening property that contains aluminium
Compound resin, but the thermal coefficient of expansion of compound is very big, and therefore when this compound was used for overhead transmission cable, sag was more serious than polymer complex.WO 03/091008 discloses the large diameter single conductor (single wire) that need not form fibre strengthening property composite material; But its physical property; Comprise that hot strength etc. can not meet the demands, the preparation of device goes wrong commercialization with complicated technology, and store or transportation also inconvenient.
Therefore, relevant industry has attempted to solve the problems referred to above of prior art, and the present invention comes under such technical background.
The present invention is used to solve the problems referred to above of prior art; Therefore the purpose of this invention is to provide the polymer compound wire that is used for the overhead transmission cable reinforcement members; It at high temperature demonstrates low thermal coefficient of expansion with the maintaining heat characteristic; Reduce sag and have enough mechanical strengths, comprise hot strength and flexural property, the present invention also aims to provide its preparation method.
Summary of the invention
In order to achieve the above object, the present invention is provided for the polymer compound wire of overhead transmission cable reinforcement members, and it comprises the high pressure center lead that has applied insulating material; Surround the outside outer conductor of center conductor with a plurality of arrangements; Wherein outer conductor is arranged in parallel or coils center conductor with the mode of spiral along the length direction of center conductor; And the winding material that the outside of outer conductor is processed by insulating resin surrounds; And wherein; Center conductor and outer conductor are processed by the composition that is used to prepare fibre strengthening property polymer complex, and said composition comprises the arbitrary thermosetting resin that is selected from by in the following group of forming: epoxy resin, unsaturated polyester resin, bimaleimide resin (bismaleide resin) and polyimide resin; Liquid curing-agent for anhydrides compound or aminated compounds; Promoter for glyoxaline compound or boron trifluoride ethylamine compounds; Release agent for zinc stearate; With the filler that is nanoclay or short glass fiber.
Preferably, the epoxy resin of electing thermosetting resin as is the mixture of three kinds of epoxy resin, and it comprises the diglycidyl ether bisphenol A epoxide resin; Polyfunctional epoxy resin with 70～400 weight portions of diglycidyl ether bisphenol A epoxide resin weight; Diglycidyl ether bisphenol F epoxy resin with 5～25 weight portions with diglycidyl ether bisphenol A epoxide resin weight.
To achieve these goals, the method that the present invention also provides preparation to be used for the polymer compound wire of overhead transmission cable reinforcement members, it comprises (S1) preparation high strength fibre; (S2) the prepared high strength fibre of surface treatment; (S3) the surface-treated high strength fibre of bone dry in vacuum furnace; (S4) high strength fibre with surface-treated and dry mistake is immersed in the composition that is used for preparing fibre strengthening property polymer complex; (S5) solidify the composition of having inserted high strength fibre; (S6) cooling products; (S7) with insulator-coated through the prepared polymer lead that is used for overhead transmission cable of step (S1)～(S6) as the center conductor that is used for the polymer compound wire of overhead transmission cable reinforcement members; (S8) as a plurality of outer conductors, outer conductor is arranged along the length direction of center conductor, makes to contact with center conductor continuously and surrounds center conductor simultaneously through the prepared a plurality of polymer leads that are used for overhead transmission cable of step (S1)～(S6) in utilization; (S9) a plurality of outer conductors that twine to surround center conductor are with fixing outer conductor; (S10) insulating material of cured coated on center conductor.
Description of drawings
Below, the preferred embodiment of the present invention will be through specifying with reference to accompanying drawing.Before explanation; Should be appreciated that the term in specification and appended claims should not be restricted to usually and the implication on the dictionary; But allowing the inventor its term suitably to be defined as on the basis of principle, based on corresponding implication of technical field of the present invention and concept explanation with best explanation.
Fig. 1 is the sketch map according to the packaging polymer compound wire that is used for the overhead transmission cable reinforcement members of embodiment of the present invention.
Fig. 2 is the sketch map according to the adhesion type polymer compound wire that is used for the overhead transmission cable reinforcement members of embodiment of the present invention.
Fig. 3 is the cross-sectional view of use according to the overhead transmission cable of the adhesion type polymer compound wire that is used for the overhead transmission cable reinforcement members of embodiment of the present invention.
Fig. 4 is used for the method flow diagram of the fibre strengthening property polymer complex of overhead transmission cable reinforcement members of the present invention for preparation.
Embodiment
Below, the preferred embodiment of the present invention will be through specifying with reference to accompanying drawing.Before explanation; Should be appreciated that term in specification and appended claims should not be restricted to the implication on common and the dictionary; But allowing the inventor its term suitably to be defined as on the basis of principle, based on corresponding implication of technical field of the present invention and concept explanation with best explanation.
Thereby the fibre strengthening property polymer complex that the present invention uses at high temperature demonstrates low thermal coefficient of expansion ability maintaining heat characteristic; This compound has reduced sag and has had enough mechanical strengths; And this fibre strengthening property polymer complex light weight has 20～30% steel wire strand, accounts for 30% of overhead transmission cable total weight; With the overhead transmission cable total weight is reduced about 20% or more than, reduce sag thus.
The polymer compound wire that is used for the overhead transmission cable reinforcement members of the present invention comprises high pressure center lead and the outside outer conductor of a plurality of arrangement encirclement center conductor that applies insulating material; Wherein outer conductor is arranged in parallel or coils center conductor with the mode of spiral along the length direction of center conductor, and the winding material that the outside of outer conductor is processed by insulating resin surrounds.And wherein; Center conductor and outer conductor are processed by the composition that is used to prepare fibre strengthening property polymer complex, and said composition comprises the arbitrary thermosetting resin that is selected from by in the following group of forming: epoxy resin, unsaturated polyester resin, bimaleimide resin and polyimide resin; Liquid curing-agent for anhydrides compound or aminated compounds; Promoter for glyoxaline compound or boron trifluoride ethylamine compounds; Release agent for zinc stearate; With the filler that is nanoclay or short glass fiber.
Thermosetting resin can use epoxy resin, unsaturated polyester resin, bimaleimide resin or polyimide resin, and especially preferably uses epoxy resin.
Preferably, epoxy resin is the mixture of three kinds of epoxy resin, comprises diglycidyl ether bisphenol A epoxide resin, polyfunctional epoxy resin and diglycidyl ether bisphenol F epoxy resin.The mixture that uses three kinds of epoxy resin is than using the diglycidyl ether bisphenol F epoxy resin to obtain better thermal endurance, flexural property and flexible separately.
The diglycidyl ether bisphenol A epoxide resin can use the compound of being represented by following Chemical formula 1.
[Chemical formula 1]
Preferably, polyfunctional epoxy resin uses diglycidyl aminated compounds or novolaks compounds (novolak-based compound), and the special compound that uses by following Chemical formula 2 or 3 expressions.
[Chemical formula 2]
[chemical formula 3]
Preferably, the content of polyfunctional epoxy resin is 70～400 weight portions of diglycidyl ether bisphenol A epoxide resin weight.When the content of polyfunctional epoxy resin during less than minimum value; Owing to the thermal endurance that needing can not get rather than preferred; And when the content of polyfunctional epoxy resin during greater than maximum; Thereby reduce with thermal characteristics owing to increasing the reactive physical property that causes machinability to reduce the material that can not get completely crued material and curing, because of rather than preferably.
The diglycidyl ether bisphenol F epoxy resin can use the compound of following chemical formula 4 expressions.
[chemical formula 4]
Wherein n is 2.
Preferably, the content of diglycidyl ether bisphenol F epoxy resin is 5～25 weight portions of diglycidyl ether bisphenol A epoxide resin weight.When the content of diglycidyl ether bisphenol F epoxy resin during less than minimum value; Flexible rather than preferred owing to what needing can not get; And when the content of diglycidyl ether bisphenol F epoxy resin during, because the thermal endurance that needing to can not get rather than preferred greater than maximum.
Preferably, curing agent is anhydrides compound or aminated compounds, and curing agent is a liquid.
At this moment; The anhydride compound of electing curing agent as can use methyl tetrahydrochysene anhydride phthalic acid (MTHPA), the tetrahydrochysene anhydride phthalic acid (THPA) shown in following chemical formula 5; Six hydrogen anhydride phthalic acids (HHPA) or the methyl carbic anhydride (NMA) shown in following chemical formula 6 especially preferably use methyl tetrahydrochysene anhydride phthalic acid or methyl carbic anhydride.
[chemical formula 5]
[chemical formula 6]
Preferably, the content of acid anhydride type curing agent is 70～150 weight portions of thermosetting resin weight.When the content of acid anhydride type curing agent during less than minimum value; Thereby reduced thermal endurance rather than preferred owing to when solidifying, produce unreacted epoxy resin; And when the content of acid anhydride type curing agent during greater than maximum, owing to the epoxy resin reaction after stayed curing agent as impurity and reduced thermal endurance rather than preferably with physical property.
The aminated compounds that is elected to be curing agent can use alicyclic polyamine compound or fat amine compound; Particularly; Alicyclic polyamine compound comprises terpane diamines (MDA) or the isophorone diamines (IPDA) like following chemical formula 7 expressions, and fat amine compound comprises DADPS (DDS) or the MDA (DDM) shown in following chemical formula 8.
[chemical formula 7]
[chemical formula 8]
Preferably, the content of aminated compounds is 20～50 weight portions of thermosetting resin weight.When the content of aminated compounds during less than minimum value because epoxy resin not exclusively solidifies rather than is preferred, and when the content of aminated compounds during greater than maximum since with the epoxy resin reaction after stayed as the curing agent of impurity rather than preferably.
Preferably, when the anhydrides compound was used as curing agent, promoter was used imidazoles promoter, and when aminated compounds was used as curing agent, promoter was used boron trifluoride ethylamine class promoter.
When selecting imidazoles promoter, the content of preferred imidazoles promoter is 1～3 weight portion of thermosetting resin weight.When the content of imidazoles promoter during less than minimum value; Owing to can not get completely crued material rather than preferred; And when the content of imidazoles promoter during, reduce machinability owing to reaction speed causes the minimizing of curing time soon greater than maximum, because of rather than preferred.
When selecting boron trifluoride ethylamine class promoter, the content of preferred boron trifluoride ethylamine class promoter is 2～4 weight portions of thermosetting resin weight.When the content of boron trifluoride ethylamine class promoter during less than minimum value; Owing to can not get completely crued material rather than preferred; And,, reaction speed reduces with machinability rather than preferred because causing the minimizing of curing time that viscosity is increased sharply soon when the content of boron trifluoride ethylamine class promoter during greater than maximum.
Release agent is used to reduce the friction between product and the mould so that process, and preferably uses zinc stearate.
Preferably, the content of release agent is 1～5 weight portion of weight epoxy.When the content of release agent during, because machinability reduces rather than be preferred, and when the content of release agent during, owing to not producing a desired effect rather than preferably greater than maximum less than minimum value.
Use outward appearance and the intensity of filler, and can use nanoclay or short glass fiber to improve product.
When selecting nanoclay as filler, the content of preferred nanoclay is 1～5 weight portion of weight epoxy, and more preferably nanoclay is must shape or laminar.When the content of nanoclay during, because the outward appearance of lead is not good and it can not process the size that needs rather than preferred, and when the content of nanoclay during, because the outward appearance of lead is not good and machinability reduces rather than preferably greater than maximum less than minimum value.
When selecting short glass fiber as filler, the content of preferred short glass fiber is 5～30 weight portions of weight epoxy, and more preferably short glass fiber boracic not.When the content of filler during, because the mechanical performance that needing to can not get rather than preferred, and when the content of filler during, because the viscosity increase of composition epoxy resin causes machinability to reduce rather than preferably greater than maximum less than minimum value.
As shown in Figure 4, the fibre strengthening property polymer complex that is used for the overhead transmission cable reinforcement members provided by the invention is through following steps (S1)～(S10) preparation.
(S1) preparation high strength fibre
In this step, prepared high strength fibre, and this high strength fibre can use glass fiber, carbon fiber, PBD (polybutadiene) fiber, aramid fiber, basalt fibre or carbon nano-fiber.
(S2) surface treatment
In this step, the high strength fibre by above-mentioned steps (S1) preparation is carried out surface treatment.
Coupling agent has been dissolved in use in isopropyl alcohol (IPA) solution coupling solution carries out surface treatment, and said coupling agent comprises titanate esters, silane or zirconate; At this moment, the amount of used isopropyl alcohol can be 800～1,000 times of coupling agent weight.
And the surface treatment of being carried out is soaked prepared high strength fibre fully and in coupling solution, was stirred 30 minutes～2 hours in 70～80 ℃.
(S3) drying
In this step, surface-treated high strength fibre bone dry in vacuum furnace in above-mentioned steps (S2).
Serviceability temperature is that 100 ℃ or above vacuum furnace carry out drying, and dried high strength fibre is not directly contacted with moisture.
(S4) immerse the composition that is used for preparing polymer complex
In this step, will in above-mentioned steps (S3), immerse the above-mentioned composition that is used for preparing fibre strengthening property polymer complex by dry high strength fibre.
Mix above-mentioned each component that is used to prepare the composition of fibre strengthening property polymer complex, temperature remains on 40～60 ℃ reducing its viscosity, and uses the component of the even blend compositions of mechanical agitator.At this moment, mixing speed remain on 100rpm or more than, and during churning remove the bubble that the moisture in the epoxy resin produces when stirring through vacuum pump.The high strength fibre of preparation is immersed in the composition of above-mentioned preparation.
The degree of depth that immerses the composition be used to prepare fibre strengthening property polymer complex according to high strength fibre is measured with the amount of abandoning (abandoned amount) the saturation of resin.Just, immersion depth and length are big more, and saturation is good more, and the amount of the resin that is used for being abandoned when mould is cured is big more.
Therefore, the degree of depth that the preferred high strength fiber immerses the composition be used to prepare fibre strengthening property polymer complex is 5～7cm, and the immersion length of high strength fibre is 50～60cm.
(S5) solidify
In this step, the composition that will in above-mentioned steps (S4), insert high strength fibre solidifies, and is cured through heating and pressurization or ultrasonic wave.
(S6) cooling
In this step, will in above-mentioned steps (S5), solidify the product cooling of gained, and the cooling of carrying out makes the product that solidifies gained be made as gradually can stablize in temperature to cool off rapidly after also solidifying high strength fibre equably.
(S7) preparing centre lead
In this step, the lead that is used for overhead transmission cable through above-mentioned steps (S1)～(S6) make is insulated coated materials and with the center conductor of the polymer compound wire that acts on the overhead transmission cable reinforcement members.
Coating as center conductor can be used insulating material, and insulating material comprises epoxy resin smears, polyimide coated agent or cyanate/salt smears.
At this moment, preferably use the epoxy resin smears as the insulating material that is used to apply, its viscosity is 3,000～5,000mPas.When the range of viscosities of epoxy resin smears during, because center conductor can not evenly be coated with rather than preferably less than minimum value or greater than maximum.
(S8) preparation and arrangement outer conductor
In this step, a plurality of polymer leads that are used for overhead transmission cable through above-mentioned steps (S1)～(S6) make are as outer conductor, and outer conductor arranges along the length direction of center conductor, make to surround the outside of center conductor and contact with center conductor continuously.
Though this execution mode show along the length direction of center conductor arrange 6 outer conductors make its surround the outside of center conductor and with the center conductor Continuous Contact, the shape that the number of outer conductor or outer conductor surround center conductor is not limited to this execution mode.
(S9) twine
In this step, a plurality of outer conductors of encirclement center conductor that twine above-mentioned steps (S8) gained are with fixing outer conductor.
Percent thermal shrinkage is 20% or above winding material when preferably, being used for fixing winding that outer conductor carries out and using heating.When percent thermal shrinkage less than 20% the time, be difficult to assist fixedly outer conductor.
Contractile band when if winding material is heating, then winding material is not limited to concrete type, and for example winding material can use OPP band (oriented polypropylene (OPP) band) or PET band (PET band).
(S10) solidify
In this step, the insulating material of cured coated on the center conductor of above-mentioned steps (S9) is provided with temperature stably to solidify the insulating material that is coated with, and this moment, winding material helped the assembling of lead through receiving thermal contraction.
Below, explain that with reference to figure 1～Fig. 3 the present invention is used for the execution mode of the polymer compound wire of overhead transmission cable reinforcement members.
Fig. 1 is the sketch map of the packaging polymer compound wire that is used for the overhead transmission cable reinforcement members of embodiment of the present invention.As shown in Figure 1, the packaging polymer compound wire 10 that is used for the overhead transmission cable reinforcement members of embodiment of the present invention comprises center conductor 11 and coils the outer conductor 13 of center conductor 11 in a spiral manner.
Fig. 2 is the sketch map of the adhesion type polymer compound wire that is used for the overhead transmission cable reinforcement members of embodiment of the present invention.As shown in Figure 2, the adhesion type polymer compound wire 10 that is used for the overhead transmission cable reinforcement members of embodiment of the present invention comprises center conductor 11 and the outer conductor 13 that is arranged in parallel along the length direction and the center conductor 11 of center conductor 11.
And Fig. 3 has used the cross-sectional view of the overhead transmission cable of the adhesion type polymer compound wire that is used for the overhead transmission cable reinforcement members for according to the embodiment of the present invention.As shown in Figure 3; The polymer compound wire that is used for the overhead transmission cable reinforcement members is at the center of overhead transmission cable, and overhead transmission cable comprises polymer compound wire 10 (having center conductor 11 and the outer conductor 13 that surrounds center conductor 11) and surrounds the conductor 15 of the center conductor 11 of polymer compound wire 10.
Conductor 15 can use aluminium or heat-resisting aluminium alloy.
Be used for the overhead transmission cable reinforcement members the polymer compound wire each component and preparation method with above said identical.
Below, for better understanding, the present invention through preferred embodiment be used for carrying out detailed explanation with the Comparative Examples of preferred embodiment comparison.
Embodiment 1
Titanate esters is dissolved in preparation coupling solution in 800～1000 times isopropyl alcohol (IPA) solution that weight is titanate esters weight, will be immersed in fully in the coupling solution and as PAN (polyacrylonitrile) based carbon fiber of high strength fibre and carried out surface treatment in 1 hour through stirring.Then, the high strength fibre that uses 100 ℃ or above vacuum furnace desiccated surface to handle.
Mix each component shown in the following table 1, temperature remains on 40～60 ℃ reducing its viscosity, and uses the component of mechanical agitator with 100rpm or the above even blend compositions of rotating speed.At this moment, mixing speed remain on 100rpm or more than.During churning remove the bubble that the moisture in the epoxy resin produces when stirring through vacuum pump.
The high strength fibre of drying is immersed in the composition of above-mentioned preparation, and the immersion depth that makes high strength fibre thus is that the immersion length of 5～7cm and high strength fibre is 50～60cm.Then, inserted the composition of high strength fibre, further solidified through the heat higher again than primary solidification through heating, pressurization and ultrasonic wave primary solidification, and cooling rapidly.
Using viscosity is 3,000～5, and the epoxy resin smears of 000mPas applies the lead of above-mentioned preparation and processes center conductor.Again 6 leads are arranged along the length direction of center conductor, made continuously to contact with center conductor.For fixing 6 outer conductors that surround center conductor, use OPP band twines outer conductor and solidifies, thereby prepares the adhesion type polymer compound wire that is used for the overhead transmission cable reinforcement members.
Then, prepare overhead transmission cable with conventional method, it surrounds the prepared surface that is used for the polymer compound wire of overhead transmission cable reinforcement members with aluminium conductor.
Embodiment 2 and 3 and Comparative Examples 1～6
Adopt embodiment 1 identical method to carry out embodiment 2 and 3 and Comparative Examples 1～6, difference is to use composition as shown in table 1 and component ratio.
The unit of below table 1 is the weight portion with respect to resin a, resin b and resin c total weight.
[table 1]
Through following method the foregoing description 1～3 and Comparative Examples 1～6 prepared polymer compound wire that is used for the overhead transmission cable reinforcement members are carried out the test of the hot strength under the room temperature, the hot strength under the high temperature, aging hot strength (aging tensile strength) and flexural property, test result is shown in table 2～5.
A. the hot strength under the room temperature-under the draw speed of 5mm/min, measure, the result is shown in the below table 2.
[table 2]
B. the test of the hot strength under the high temperature: the polymer compound wire is tested after keeping 20 minutes under the temperature shown in the below table 3, and draw speed is 5mm/min, and the result is shown in the below table 3.
[table 3]
C. aging hot strength: the polymer compound wire is tested after keeping 1000 hours under the temperature shown in the below table 4, and draw speed is 5mm/min, and the result is shown in the below table 4.
[table 4]
D. flexural property: use 4 bend tests to measure, measuring speed is 1.3mm/min, and the result is shown in the below table 5.
[table 5]
Shown in above-mentioned table 2～5; The overhead transmission cable of finding the polymer compound wire preparation that is used for the overhead transmission cable reinforcement members of the use embodiment of the invention 1～3 at room temperature with under the high temperature has excellent hot strength, also has excellent aging hot strength and flexural property.Particularly, find to compare with 2, use short glass fiber to show better hot strength, but its modular ratio embodiment 1 and 2 is slightly high as the embodiment 3 of filler with embodiment 1.This possibly be that the adding short glass fiber is caused.
Simultaneously; Test comparison example 3 and 4 under the condition identical with embodiment 1 and 2; Difference is that embodiment 1 and 2 uses titanate esters+IPA solution to carry out surface treatment, and finds that Comparative Examples 3 compares with 2 with embodiment 1 with 4, under the room temperature and the hot strength under the high temperature all lower; Aging hot strength is also lower, and estimation is between high strength fiber peacekeeping epoxy resin, to have excellent interfacial characteristics owing to carry out surface-treated embodiment with high strength fibre.
And; Find only to use the diglycidyl ether bisphenol A epoxide resin and carry out surface-treated Comparative Examples 5 with titanate esters+IPA solution and only carry out surface-treated Comparative Examples 6 without titanate esters+IPA solution and compare with embodiment 1～3 and all have lower hot strength with the diglycidyl ether bisphenol A epoxide resin; And particularly, Comparative Examples 5 and 6 and at high temperature hot strength of embodiment 1～3, aging hot strength on sizable difference is arranged.This is to have lower thermal endurance because Comparative Examples 5 and 6 does not contain polyfunctional epoxy resin, particularly uses high strength fibre and does not have surface-treated Comparative Examples 6 to demonstrate lower hot strength.
(its diameter is 12.6 μ m to the packaging polymer compound wire of test comparison example 2; And comprise the foregoing description 2 prepared center conductors and 6 outer conductors that surround center conductor); With the foregoing description 2 prepared diameters be the bending rigidity and the moment of flexure of the single conductor of 12.6 μ m, test result is shown in the below table 6.
[table 6]
Shown in above-mentioned table 6; The bending rigidity of the single high-voltage line that packaging compound wire according to the present invention is identical with the diameter of packaging compound wire with diameter and the test result of moment of flexure; Find that crooked single conductor is more difficult than compound wire, that is, single conductor is around in the bobbin difficulty above compound wire is around in bobbin; And under the compelled crooked situation of single conductor, may damage the inner/outer of single conductor.
Be to be understood that; The preferred embodiment that bright specifically book of the present invention and embodiment and the present invention indicate is merely the usefulness of explanation; According to detailed like this explanation, various changes within the spirit and scope of the present invention and modification are conspicuous to those skilled in the art.
Industrial applicibility
According to the present invention, the polymer compound wire that is used for the overhead transmission cable reinforcement members can at high temperature demonstrate low thermal coefficient of expansion and the maintaining heat characteristic, reduces sag and has enough mechanical strengths, like hot strength and flexural property.
Claims (15)
1. be used for the polymer compound wire of overhead transmission cable reinforcement members, it comprises:
The high pressure center lead, it is coated with insulating material; With
A plurality of outer conductors, the arrangement of outer conductor make its outside that surrounds center conductor,
Wherein outer conductor is along the length direction of center conductor and center conductor is arranged in parallel or coil center conductor with the mode of spiral, and the winding material that the outside of outer conductor is processed by insulating resin surrounds, and
Wherein, center conductor and outer conductor are processed by the composition that is used to prepare fibre strengthening property polymer complex,
Said composition comprises:
Epoxy resin, said epoxy resin are the mixtures of diglycidyl ether bisphenol A epoxide resin, polyfunctional epoxy resin and diglycidyl ether bisphenol F epoxy resin;
Liquid curing-agent for anhydrides compound or aminated compounds;
Promoter for glyoxaline compound or boron trifluoride ethylamine compounds;
Release agent for zinc stearate; With
Filler for nanoclay or short glass fiber.
2. polymer compound wire according to claim 1, wherein polyfunctional epoxy resin is the arbitrary or at least two kinds of polyfunctional epoxy resins that are selected from the group of being made up of glycidyl aminated compounds and novolaks compounds.
3. polymer compound wire according to claim 1; The anhydrides compound of wherein electing curing agent as is the mixture that is selected from arbitrary in the group of being made up of methyl tetrahydrochysene anhydride phthalic acid, tetrahydrochysene anhydride phthalic acid, six hydrogen anhydride phthalic acids and methyl carbic anhydride or at least two kinds, and its content is 70～150 weight portions based on 100 parts of weight epoxies.
4. polymer compound wire according to claim 1, the aminated compounds that wherein is elected to be curing agent is alicyclic polyamine compound or fat amine compound, its content is 20～50 weight portions based on 100 parts of weight epoxies.
5. polymer compound wire according to claim 4; Wherein alicyclic polyamine compound is the arbitrary material that is selected from the group of being made up of terpane diamines and isophorone diamines, and wherein fat amine compound is the arbitrary material that is selected from the group of being made up of DADPS and MDA.
6. polymer compound wire according to claim 1, wherein when selecting glyoxaline compound as promoter, the content of glyoxaline compound is 1～3 weight portion based on 100 parts of weight epoxies.
7. polymer compound wire according to claim 1, wherein when selecting the boron trifluoride ethylamine compounds as promoter, the content of boron trifluoride ethylamine compounds is 2～4 weight portions based on 100 parts of weight epoxies.
8. polymer compound wire according to claim 1 wherein selects zinc stearate as release agent, and its content is 1～5 weight portion based on 100 parts of weight epoxies.
9. polymer compound wire according to claim 1; Wherein when selecting nanoclay as filler; The content of nanoclay is 1～5 weight portion based on 100 parts of weight epoxies; And wherein when selecting short glass fiber as filler, the content of short glass fiber is 5～30 weight portions based on 100 parts of weight epoxies.
10. preparation is used for the method for the polymer compound wire of overhead transmission cable reinforcement members, and it comprises:
(S1) preparation high strength fibre, wherein said high strength fibre are the mixture that is selected from by arbitrary in the following group of forming or at least two kinds: glass fiber, carbon fiber, polybutadiene fibre, aramid fiber and basalt fibre;
(S2) the prepared high strength fibre of surface treatment;
(S3) the surface-treated high strength fibre of bone dry in vacuum furnace;
(S4) high strength fibre with surface-treated and dry mistake is immersed in the composition that is used for preparing fibre strengthening property polymer complex, and wherein said composition comprises:
Epoxy resin, said epoxy resin are the mixtures of diglycidyl ether bisphenol A epoxide resin, polyfunctional epoxy resin and diglycidyl ether bisphenol F epoxy resin;
Liquid curing-agent for anhydrides compound or aminated compounds;
Promoter for glyoxaline compound or boron trifluoride ethylamine compounds;
Release agent for zinc stearate; With
Filler for nanoclay or short glass fiber;
(S5) solidify the composition of having inserted high strength fibre;
(S6) cooling products;
(S7) with insulator-coated through the prepared polymer lead that is used for overhead transmission cable of step (S1)～(S6) as the center conductor that is used for the polymer compound wire of overhead transmission cable reinforcement members;
(S8) utilize a plurality of through the prepared polymer lead that is used for overhead transmission cable of step (S1)～(S6) as a plurality of outer conductors; Said outer conductor is arranged along the length direction of center conductor, made to contact with center conductor continuously and surround center conductor simultaneously;
(S9) a plurality of outer conductors that twine to surround center conductor are with fixing outer conductor; With
(S10) insulating material of cured coated on center conductor.
11. preparation method according to claim 10, wherein the carbon fiber in the step (S1) is a carbon nano-fiber.
12. according to claim 10 or 11 described preparation methods; Wherein carry out the surface treatment of step (S2); Making the arbitrary substance dissolves that is selected from the group of being made up of titanate esters, silane or zirconate thus is in 800～1,000 times the aqueous isopropanol of selected species weight in amount, thereby makes coupling solution; And high strength fibre immerses in the coupling solution fully, simultaneously coupling solution is maintained 70～80 ℃ and stir this coupling solution and reach 30 minutes～2 hours.
13. according to claim 10 or 11 described preparation methods; The insulating material that wherein applies the polymer lead that is used for overhead transmission cable in the step (S7) is the arbitrary material that is selected from the group of being made up of epoxy resin smears, polyimide coated agent; And the viscosity of the epoxy resin smears that is used to apply as insulating material is 3; 000～5,000mPas.
14. according to claim 10 or 11 described preparation methods, percent thermal shrinkage was 20% or above winding material when the winding that wherein is used for fixing outer conductor in the step (S9) was to use heating.
15. preparation method according to claim 14, wherein winding material is the arbitrary material that is selected from the group of being made up of oriented polypropylene (OPP) band and PET band.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2007-0014508 | 2007-02-12 | ||
| KR1020070014508A KR100817982B1 (en) | 2007-02-12 | 2007-02-12 | Composite for overhead transmission cable and method for preparing thereof |
| KR1020070014508 | 2007-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101246764A CN101246764A (en) | 2008-08-20 |
| CN101246764B true CN101246764B (en) | 2012-09-26 |
Family
ID=39412109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103007055A Expired - Fee Related CN101246764B (en) | 2007-02-12 | 2007-12-25 | Composite for overhead transmission cable and method for preparing thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100817982B1 (en) |
| CN (1) | CN101246764B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101456546B1 (en) * | 2008-09-03 | 2014-11-03 | 주식회사 효성 | Compound for prepating carbon fiber reinforced plastic core using overhead eletric cable |
| CN102081992B (en) * | 2009-11-30 | 2012-05-23 | 江苏恒神纤维材料有限公司 | Carbon fiber cable core |
| CN101935186B (en) * | 2010-07-02 | 2013-05-22 | 西安永兴科技发展有限公司 | Special compound insulator composite for petroleum logging instrument and preparation method thereof |
| CN102426884B (en) * | 2011-09-09 | 2013-09-04 | 深圳市盟立电子有限公司 | Fiber composite core rod with improved performances for overhead wire and preparation method thereof |
| CN102516715B (en) * | 2011-12-07 | 2013-07-17 | 山东海能铁塔制造有限公司 | Novel preparation method for composite material power transmission tower member |
| ITAN20130048A1 (en) * | 2013-03-06 | 2014-09-07 | Oni | COAXIAL CABLE. |
| CN104517673A (en) * | 2013-10-08 | 2015-04-15 | 国家电网公司 | Carbon fiber composite core wire and production method |
| KR102447701B1 (en) * | 2015-08-10 | 2022-09-26 | 엘에스전선 주식회사 | Center line for overhead transmission line and overhead transmission line comprising the same |
| KR101798472B1 (en) * | 2016-04-28 | 2017-11-16 | (주)제이엠시 | Transmission line which has CFCC |
| KR101785890B1 (en) * | 2016-08-29 | 2017-10-17 | 엘에스전선 주식회사 | Central tension member for an overhead cable and the overhead cable comprising the same |
| KR102594531B1 (en) * | 2016-10-25 | 2023-10-25 | 엘에스전선 주식회사 | Central tension member for an overhead cable and the overhead cable comprising the same |
| KR102605243B1 (en) * | 2016-11-30 | 2023-11-23 | 엘에스전선 주식회사 | Central tension member for an overhead cable and the overhead cable comprising the same |
| KR101916231B1 (en) * | 2017-02-08 | 2018-11-07 | 일진복합소재 주식회사 | Central strength member for gap conductor and the method for manufacturing thereof |
| KR102461640B1 (en) * | 2017-02-14 | 2022-10-31 | 엘에스전선 주식회사 | Central tension member for an overhead cable and the overhead cable comprising the same |
| KR102449183B1 (en) * | 2017-09-29 | 2022-09-28 | 엘에스전선 주식회사 | Central tension member for an overhead cable and the overhead cable comprising the same |
| TWI694651B (en) * | 2017-09-29 | 2020-05-21 | 南韓商Ls電線有限公司 | Central tension member for overhead cable, overhead cable having the same, overhead transmission system having overhead cable, and method of constructing overhead transmission system |
| KR102449116B1 (en) * | 2017-09-29 | 2022-09-28 | 엘에스전선 주식회사 | Ovehead transmission system having an overrhead cable and construction method thereof |
| KR102402193B1 (en) * | 2017-10-16 | 2022-05-26 | 엘에스전선 주식회사 | Central tension member for an overhead cable, the overhead cable comprising the same, overhead transmission system having the overhead cable and construction method thereof |
| CN109637722B (en) * | 2018-11-06 | 2020-11-03 | 深圳烯湾科技有限公司 | Carbon nanotube fiber wire |
| CN109627687B (en) * | 2018-11-06 | 2021-02-12 | 深圳烯湾科技有限公司 | Coating film material and application thereof |
| KR20210009107A (en) | 2019-07-16 | 2021-01-26 | 박철웅 | Transmission cable and method of transmission cable |
| CN113035439B (en) * | 2021-03-03 | 2023-03-03 | 江苏兴华胶带股份有限公司 | Carbon fiber composite rope core forming process and composite rope core manufacturing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150597A (en) * | 1996-04-29 | 1997-05-28 | 无锡市化工研究设计院 | Method for preparing reinforced epoxy moulding compound for packaging electric equipment |
| CN1207401A (en) * | 1997-08-01 | 1999-02-10 | 无锡市化工研究设计院 | Process for preparing reinforced epoxy molding compound for commutator |
| CN1546566A (en) * | 2003-12-12 | 2004-11-17 | 无锡市化工研究设计院 | Molding compound for sheet tantalum capacitor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960011090B1 (en) * | 1993-06-16 | 1996-08-20 | 럭키 에폭시 주식회사 | Thermosetting modifiers, process thereof and cable-insulating resin composition including them |
| KR100594658B1 (en) * | 2005-01-29 | 2006-06-30 | 엘에스전선 주식회사 | Fiber reinforced plastic wire for overhead trasmission cable strength member, method for manufacturing the same, and overhead transmission cable using the same |
-
2007
- 2007-02-12 KR KR1020070014508A patent/KR100817982B1/en active IP Right Grant
- 2007-12-25 CN CN2007103007055A patent/CN101246764B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150597A (en) * | 1996-04-29 | 1997-05-28 | 无锡市化工研究设计院 | Method for preparing reinforced epoxy moulding compound for packaging electric equipment |
| CN1207401A (en) * | 1997-08-01 | 1999-02-10 | 无锡市化工研究设计院 | Process for preparing reinforced epoxy molding compound for commutator |
| CN1546566A (en) * | 2003-12-12 | 2004-11-17 | 无锡市化工研究设计院 | Molding compound for sheet tantalum capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100817982B1 (en) | 2008-03-31 |
| CN101246764A (en) | 2008-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101246764B (en) | Composite for overhead transmission cable and method for preparing thereof | |
| CA2595543C (en) | Fiber reinforced plastic wire for strength member of overhead transmission cable, method for manufacturing the same, and overhead transmission cable using the same | |
| CN103525005B (en) | The preparation method of the high heat conduction ternary of low sizing content nano-micro structure epoxy composite material | |
| CN105199103B (en) | A kind of siliceous modified, high temperature resistant cyanate ester resin, its preparation method and application | |
| CN109337066A (en) | One kind having reactivity, diffluent rigid chain polymer and preparation method thereof and composition | |
| JP6294225B2 (en) | Method for impregnating air core reactor, impregnation air core reactor, and use of impregnation system | |
| EP0191872A1 (en) | Epoxy resin composition | |
| CN105097148B (en) | Composite electric insulator core bar and preparation method thereof and composite insulator | |
| KR100875774B1 (en) | Composition for manufacturing fiber-reinforced polymer composite for tension line of overhead transmission line and method for manufacturing fiber-reinforced polymer composite for tension line of overhead transmission line | |
| CN111499812A (en) | High-strength SiO2In-situ modified epoxy resin material and preparation method thereof | |
| JP2017088657A (en) | Epoxy resin composition for coil impregnation and mold coil | |
| JP3705704B2 (en) | Epoxy resin composition, inductance component | |
| WO2015121999A1 (en) | Insulated wire, rotary electric machinery, and method for producing insulated wire | |
| CN111607348B (en) | Adhesive for drawing slot wedge and preparation method of slot wedge using adhesive | |
| CN1262601C (en) | High temperature resistant epoxy resin composite with lasting storage stability and temperature thixotropy | |
| CN1320020C (en) | Epoxy resin complex with long chemical storage stability and temperature thixotropy | |
| CN106047255A (en) | Preparation method of inorganic filler-in-graphene composite resin adhesive | |
| WO2008097010A1 (en) | Composition and method for manufacturing high molecular composite reinforced fiber strength member of overhead electric cable | |
| EP3663334A1 (en) | Fiber-reinforced resin and method for manufacturing same | |
| JP2908431B1 (en) | Manufacturing method of electrical insulation coil | |
| CN104892903B (en) | A kind of high-temperature resistance carbon fiber cable core MHPI type epoxy pultrusion resins and preparation method thereof | |
| JP2000086869A (en) | Epoxy resin composition and coil | |
| JP2544692B2 (en) | Powder coating method | |
| KR20030050837A (en) | Polyamideimide polymer for enamel copper wire covering and enamel copper wire manufacturing method | |
| KR100899727B1 (en) | Composition and method for manufacturing high molecular composite reinforced fiber strength member of overhead electric cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20211225 |