JPH0799648B2 - Insulated wire - Google Patents
Insulated wireInfo
- Publication number
- JPH0799648B2 JPH0799648B2 JP61255090A JP25509086A JPH0799648B2 JP H0799648 B2 JPH0799648 B2 JP H0799648B2 JP 61255090 A JP61255090 A JP 61255090A JP 25509086 A JP25509086 A JP 25509086A JP H0799648 B2 JPH0799648 B2 JP H0799648B2
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- insulated wire
- separator
- tape
- wire
- 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 - Lifetime
Links
- 239000004020 conductor Substances 0.000 claims description 24
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- HXQHRUJXQJEGER-UHFFFAOYSA-N 1-methylbenzotriazole Chemical compound C1=CC=C2N(C)N=NC2=C1 HXQHRUJXQJEGER-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000002845 discoloration Methods 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Description
【発明の詳細な説明】 （発明の技術分野） 本発明は絶縁電線に係わり、特に導体の腐食および変色
が防止された架空絶縁電線に関する。TECHNICAL FIELD OF THE INVENTION The present invention relates to an insulated wire, and more particularly to an overhead insulated wire in which corrosion and discoloration of a conductor are prevented.
（発明の技術的背景） 硬銅撚線を導体とする架空絶縁電線においては、導体に
加わる引張応力と導体腐食に起因する異常断線事故が生
じることがある。(Technical background of the invention) In an overhead insulated wire using a hard copper stranded wire as a conductor, an abnormal disconnection accident may occur due to tensile stress applied to the conductor and conductor corrosion.
これは、電線の端末部等からの雨水の浸入或いは大気の
汚染によつて、銅導体表面に黒色の酸化銅皮膜が形成さ
れ、それが、応力側の要因によつて断線につながるため
と考えられる。This is considered to be because a black copper oxide film is formed on the copper conductor surface due to infiltration of rainwater from the end of the wire or pollution of the atmosphere, which leads to disconnection due to the stress side factor. To be
そのため、このような銅導体の黒色変色や腐食を防止す
るために、従来から、導体表面をメツキする方法や変色
抑制剤で処理する方法、或いは絶縁体中に防錆剤である
ベンゾトリアゾール（以下、BTAと示す。）を配合する
方法等が用いられている。Therefore, in order to prevent such black discoloration or corrosion of the copper conductor, conventionally, a method of plating the conductor surface or a method of treating with a discoloration inhibitor, or a rust preventive benzotriazole (hereinafter , BTA)) is used.
（背景技術の問題点） しかしこれらの方法では、いずれも長期に亘つて導体の
腐食等を充分に防止することができなかつた。(Problems of background art) However, none of these methods was able to sufficiently prevent corrosion of the conductor or the like for a long period of time.
また、特に絶縁体中にBTAを配合した絶縁電線において
は、長期間使用後、Cu2+とBTAとの反応生成物と考えら
れる深緑色のCu2+−BTA錯体が、導体表面に認められる
という問題があつた。Also, in the case of insulated wires with BTA mixed in the insulator, a deep green Cu 2+ -BTA complex, which is considered to be a reaction product of Cu 2+ and BTA, is observed on the conductor surface after long-term use. There was a problem.
さらに架橋ポリエチレン（以下PEと示す。）絶縁電線に
おいては、製造時の熱で導体素線間に絶縁体が落ち込む
のを防ぐため、通常撚線導体上にセパレータとしてプラ
スチツクテープを巻回することが行なわれているが、こ
のような、セパレータを有する絶縁電線においては、導
体の腐食等を完全に防止することができなかつた。Furthermore, in the case of cross-linked polyethylene (hereinafter referred to as PE) insulated wires, in order to prevent the insulator from falling between the conductor wires due to heat during manufacturing, it is usually possible to wind plastic tape as a separator on the stranded wire conductor. However, in such an insulated wire having a separator, it has been impossible to completely prevent corrosion of the conductor.
（発明の目的） 本発明はこれらの問題を解決するためになされたもの
で、銅導体の変色や腐食がほぼ完全に防止しうる絶縁電
線を提供することを目的とする。(Object of the Invention) The present invention has been made in order to solve these problems, and an object thereof is to provide an insulated wire in which discoloration and corrosion of a copper conductor can be almost completely prevented.
（発明の概要） 本発明の絶縁電線は、撚線銅導体上に、プラスチツクテ
ープの片面に、イ）BTAと、ロ）１−メチルベンゾトリ
アゾール及び／又は５−メチル−１・Ｈ−ベンゾトリア
ゾールとの混合物を塗布してなるセパレータを、塗布層
を内側に向けて巻回し、その上に、ゴム、プラスチツク
絶縁体を被覆して成ることを特徴としている。(Outline of the Invention) The insulated electric wire of the present invention comprises a twisted copper conductor, one side of a plastic tape, a) BTA, and b) 1-methylbenzotriazole and / or 5-methyl-1.H-benzotriazole. It is characterized in that a separator formed by applying a mixture of the above is wound with the coating layer facing inward, and a rubber and a plastic insulator are coated thereon.
本発明においてセパレータの基材となるプラスチツクテ
ープとしては、ポリエチレンテレフタレート（以下PET
と示す。）テープのようなポリエステル樹脂からなるテ
ープを使用することが望ましい。In the present invention, the plastic tape as the base material of the separator is polyethylene terephthalate (hereinafter PET).
Indicates. ) It is desirable to use a tape made of polyester resin such as tape.
またその上に塗布するロ）成分の市販品としては、例え
ば粉状のチオライトT228、T631（千代田化学研究所の商
品名）等がある。Further, as commercially available products of component (b) to be applied thereon, for example, powdery thiolite T228, T631 (trade name of Chiyoda Chemical Research Institute) and the like are available.
本発明においては前記プラスチツクテープの片面に、
イ）成分とロ）成分との混合物をメタノールやトリクロ
ルエタンのような有機溶剤に溶解させた溶液を、常法に
よつて塗布して得られたセパレータを使用し、これを塗
布層を内側にし、撚線導体上に縦添え或いは横巻きす
る。In the present invention, on one side of the plastic tape,
Using a separator obtained by applying a solution prepared by dissolving a mixture of the components (a) and (b) in an organic solvent such as methanol or trichloroethane by a conventional method, and applying this to the inside of the coating layer. , Vertically or horizontally wound on a stranded conductor.
ここでイ）成分とロ）成分との塗布量は、防錆効果の現
出の有無と経済的な観点から、基材となるプラスチツク
テープに対して、それぞれ0.05〜５重量％の割合とする
ことが望ましい。Here, the coating amounts of the component (a) and the component (b) are each 0.05 to 5% by weight with respect to the plastic tape as the base material from the viewpoint of the presence or absence of the rust preventive effect and the economical viewpoint. Is desirable.
（発明の実施例） 以下、本発明の実施例について記載する。(Examples of the Invention) Examples of the present invention will be described below.
実施例１〜４ 第１図に示すように、硬銅素線１が19本撚合わされた15
0mm2撚線導体２上に、以下に示すようにして得られたセ
パレータ３をそれぞれ巻回した。すなわち、次表に示す
配合割合のBTAとチオライトT228との混合物を、メタノ
ールとトリクロルエタンとの混合溶剤に溶解させた溶液
を、第２図に示すように、PETテープ４の片面に塗布し
て得られたセパレータ３を、BTAとチオライトとの塗布
層５を内側にして撚線導体２上に巻回した。Examples 1 to 4 As shown in FIG. 1, 19 pieces of hard copper wire 1 were twisted together 15
The separator 3 obtained as described below was wound on each 0 mm 2 stranded conductor 2. That is, a solution prepared by dissolving a mixture of BTA and thiolite T228 in a mixing ratio shown in the following table in a mixed solvent of methanol and trichloroethane was applied on one side of PET tape 4 as shown in FIG. The obtained separator 3 was wound on the stranded wire conductor 2 with the coating layer 5 of BTA and thiolite being inside.
次いで、その上に常法によりPEをセパレータ３を含めて
2.5mmの厚さになるように押出被覆した後、架橋して架
橋PE絶縁体６を形成した。Then, on top of that, PE is added by a conventional method including the separator 3.
After extrusion-coating to a thickness of 2.5 mm, it was crosslinked to form a crosslinked PE insulator 6.
また、比較のために実施例と同じ撚線導体上に、PETテ
ープ上にBTAとチオライトとの一方だけを塗布したセパ
レータを巻回し、その上に架橋PE絶縁体を被覆して絶縁
電線を製造した。For comparison, on the same stranded conductor as in the example, a separator coated with only one of BTA and thiolite on PET tape was wound, and a cross-linked PE insulator was coated on it to produce an insulated wire. did.
次いで、前述の実施例と比較例で得られた絶縁電線につ
いて、以下に記載するような方法で防錆処理確認試験、
防錆性能試験および密着度試験をそれぞれ行なつた。Next, for the insulated wires obtained in the above-mentioned Examples and Comparative Examples, a rust prevention treatment confirmation test was carried out by the method as described below,
A rustproof performance test and an adhesion test were conducted respectively.
すなわち防錆処理確認試験は、長さ10cmの電線試料を採
取し、その絶縁体を剥いで得られた撚線導体を、濃度10
0ppmの硫化ナトリウム水溶液中に室温で30秒間浸漬した
後、導体表面の変色の有無を確認することにより行なつ
た。That is, the rustproofing confirmation test was conducted by taking a 10 cm long electric wire sample, peeling off the insulator, and measuring the
After immersing in a 0 ppm aqueous sodium sulfide solution at room temperature for 30 seconds, the conductor surface was checked for discoloration.
また防錆性能試験は、長さ30cmの電線試料をアンモニウ
ムイオンの入つた溶液中に垂直に立て、これに乾湿サイ
クルを加えた後、さらにこれを恒温槽に入れて60℃×8H
次いで、室温×16Hのヒートサイクルを８週間加えてか
ら、内層の素線上に生じた錆膜の厚さを測定することに
より行なつた。For the rust prevention performance test, a 30 cm long wire sample was placed vertically in a solution containing ammonium ions, and after a dry-wet cycle was added to it, it was placed in a thermostatic chamber at 60 ° C x 8H.
Then, a heat cycle of room temperature × 16H was applied for 8 weeks, and then the thickness of the rust film formed on the inner layer wire was measured.
さらに密着度試験は、長さ3m以上の電線試料を常法によ
り引張試験機に取り付け、長さ方向に徐々に荷重を加え
ることにより行なつた。Further, the adhesion test was carried out by attaching an electric wire sample having a length of 3 m or more to a tensile tester by a conventional method and gradually applying a load in the length direction.
そしてセパレータが導体上からすべり始めるときの荷重
を測定した。Then, the load at which the separator started to slip on the conductor was measured.
これらの試験結果をそれぞれ次表下欄に示す。The results of these tests are shown in the lower columns of the following table.
（発明の効果） 以上の説明から明らかなように、本発明の絶縁電線にお
いては、プラスチツクの基材テープ上にイ）成分とロ）
成分との混合物の塗布層が設けられたテープが、セパレ
ータとして撚線導体上に巻回されているので、BTAが単
独で塗布されたセパレータを有する従来の絶縁電線に比
べて非常に高い防錆効果が発揮され、しかも導体表面の
黒色および緑色のいずれの変色も生じることがなく、セ
パレータの密着性に優れている。 (Effects of the Invention) As is clear from the above description, in the insulated wire of the present invention, the component a) and the component b) are provided on the plastic base tape.
Since the tape provided with the coating layer of the mixture with the components is wound on the stranded wire conductor as a separator, it has a very high rust prevention compared to the conventional insulated wire having the separator coated with BTA alone. The effect is exhibited, and neither black or green discoloration of the conductor surface occurs, and the adhesiveness of the separator is excellent.
第１図は本発明の絶縁電線の実施例を示す横断面図、第
２図はこれに用いるセパレータの拡大断面図である。 １……硬銅素線 ３……セパレータ ４……PETテープ ５……BTAとチオライトとの混合物の塗布層 ６……架橋PE絶縁体FIG. 1 is a transverse cross-sectional view showing an embodiment of the insulated wire of the present invention, and FIG. 2 is an enlarged cross-sectional view of a separator used therein. 1 ... Hard copper wire 3 ... Separator 4 ... PET tape 5 ... Coating layer of mixture of BTA and thiolite 6 ... Cross-linked PE insulator
Claims (2)
面に、イ）ベンゾトリアゾールと、ロ）１−メチルベン
ゾトリアゾール及び／又は５−メチル−１・Ｈ−ベンゾ
トリアゾールとの混合物の塗布層を設けてなるセパレー
タを、前記塗布層を撚線銅導体に向けて巻回し、その上
に、ゴム、プラスチック絶縁体を被覆して成ることを特
徴とする絶縁電線。1. A coated layer of a mixture of a) benzotriazole and b) 1-methylbenzotriazole and / or 5-methyl-1.H-benzotriazole on one surface of a plastic tape on a stranded copper conductor. An insulated wire, comprising: a separator provided with the above-mentioned coating layer wound around a stranded copper conductor, and a rubber or plastic insulator coated thereon.
タレートからなるテープである特許請求の範囲第１項記
載の絶縁電線。2. The insulated wire according to claim 1, wherein the plastic tape is a polyethylene terephthalate tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61255090A JPH0799648B2 (en) | 1986-10-27 | 1986-10-27 | Insulated wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61255090A JPH0799648B2 (en) | 1986-10-27 | 1986-10-27 | Insulated wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63110510A JPS63110510A (en) | 1988-05-16 |
| JPH0799648B2 true JPH0799648B2 (en) | 1995-10-25 |
Family
ID=17273985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61255090A Expired - Lifetime JPH0799648B2 (en) | 1986-10-27 | 1986-10-27 | Insulated wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0799648B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5782045A (en) * | 1980-11-12 | 1982-05-22 | Toyo Metalizing | Rust preventing polyester film |
-
1986
- 1986-10-27 JP JP61255090A patent/JPH0799648B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63110510A (en) | 1988-05-16 |
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