JPS593817A - Method of producing watertight conductor - Google Patents
Method of producing watertight conductorInfo
- Publication number
- JPS593817A JPS593817A JP11276182A JP11276182A JPS593817A JP S593817 A JPS593817 A JP S593817A JP 11276182 A JP11276182 A JP 11276182A JP 11276182 A JP11276182 A JP 11276182A JP S593817 A JPS593817 A JP S593817A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- watertight
- resin
- base resin
- super absorbent
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 title claims description 39
- 238000000034 method Methods 0.000 title description 8
- 229920005989 resin Polymers 0.000 claims description 54
- 239000011347 resin Substances 0.000 claims description 54
- 239000002250 absorbent Substances 0.000 claims description 18
- 230000002745 absorbent Effects 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 5
- -1 ethylene-ethylene Chemical group 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920006228 ethylene acrylate copolymer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 し発明の技術分野］ 本発明は水密導体の製造方法に関する。[Detailed description of the invention] [Technical field of the invention] The present invention relates to a method of manufacturing a watertight conductor.
［発明の技術的背景とその問題点］
屋外高圧配電線や海底電線等では導体素線の酸化、腐食
により異常断線事故が生じることがある。[Technical background of the invention and its problems] Abnormal disconnection accidents may occur in outdoor high-voltage distribution lines, submarine cables, etc. due to oxidation and corrosion of conductor strands.
その主な原因は、電線のシースおよび電線の端部から水
分等が侵入づ′ることによるものと考えられＣいる。水
分等の侵入を防止する目的で電線全長にわたって導体素
線間に水密コンパウンドを充填した水蜜導体が使用され
【いる。The main reason for this is thought to be that moisture and the like enter through the wire sheath and the ends of the wire. A watertight conductor is used in which a watertight compound is filled between the conductor strands along the entire length of the wire in order to prevent moisture from entering.
このような水密導体は従来主に導体素線を撚合Ｉ！なが
らその素線間に水密コンパウンドを充填する方法により
製造されている。水密コンパウンドとしＣは、ゼリー状
のもの、ゴム状のものと各種検討されているが、ボレオ
レフィン等のベースレジンに高吸水性樹脂を配合し／ｊ
ものが水蜜効果、作業性の点で好ましく、この水密コン
パウンドを使用した水密導体につい−Ｃ本発明者らは先
に出願した。Conventionally, such watertight conductors were mainly made by twisting conductor wires together. However, it is manufactured by filling a watertight compound between the wires. Various types of watertight compound C have been studied, including jelly-like and rubber-like ones, but it is a compound made by blending a super absorbent resin with a base resin such as boreolefin.
The present inventors have previously filed an application for a watertight conductor using this watertight compound.
しかしながらこのような高吸水性樹脂を配合した水密コ
ンパウンドでは、その混線０作業が煩ＮＣコス］・高に
なるという欠点があった。However, the watertight compound containing such a super absorbent resin has the drawback that the operation of eliminating crosstalk requires high NC costs.
［発明の目的］
本発明方法はこのような欠点を解消す゛るためになされ
たもので、ベースレジンと高吸水性樹脂の混線を行なう
ことなく水密導体を製造する方法を提供することを目的
とする。[Object of the Invention] The method of the present invention has been made to eliminate such drawbacks, and its purpose is to provide a method for manufacturing a watertight conductor without mixing base resin and super absorbent resin. .
［発明の概要］
すなわち第１の発明は、ポリオレノインまたはオレフィ
ン共重合体のベースレジンと高吸水性樹脂とからなる水
密コンパウンドで導体素線の間を充填しＣなる水密導体
を製造するにあたり、予め導体素線上にベースレジンを
被覆した後その表面に高吸水性樹脂粉末を付着させ、こ
れを所定本数撚合せることを特徴としており、第２の発
明は、ポリオレノインまたはオレフィン共重合体のベー
スレジンと高吸水性樹脂とからなる水密コンパウンドで
導体素線の間を充填してなる水密導体を製造するにあた
り、ベースレジンに高吸水性樹脂を混合攪拌しＣベース
レジンのペレット表面に高吸水性樹脂の粉末を付着させ
た状態ぐ押出機に供給して導体素線上に押出被覆し、こ
れを所定本数撚合せることを特徴とする。[Summary of the Invention] That is, the first invention is to prepare a watertight conductor C by filling between the conductor strands with a watertight compound made of a polyolenoin or olefin copolymer base resin and a super absorbent resin. The second invention is characterized in that a base resin is coated on the conductor strands, then a super absorbent resin powder is attached to the surface of the conductor wires, and a predetermined number of strands are twisted. In order to manufacture a watertight conductor by filling the spaces between the conductor wires with a watertight compound made of a super water absorbent resin, the super water absorbent resin is mixed and stirred into the base resin, and the super water absorbent resin is applied to the surface of the C base resin pellet. It is characterized in that it is supplied to an extruder in a state in which the powder is adhered, extrusion coats it onto conductor wires, and twists a predetermined number of wires.
本発明に使用゛りるベースレジンとしくは、ポリ１チレ
ン、１ヂレン・ブＵピレン共重合体、エチレン・エヂル
アクリレート共重合体、エチレン・酢酸ビニル共重合体
等がある。Examples of the base resin used in the present invention include poly-1-ethylene, 1-ethylene-bu-U-pyrene copolymer, ethylene-ethylene acrylate copolymer, ethylene-vinyl acetate copolymer, and the like.
本発明に使用する高吸水性樹脂は、水を吸収し゛Ｃ膨潤
する性質を有づる粉末状のもので、例えば製鉄化学社製
アクアキープ１ＯＳ＋−＋があげられる。The superabsorbent resin used in the present invention is a powdery resin that absorbs water and swells with water, such as Aqua Keep 1OS+-+ manufactured by Seitetsu Kagaku Co., Ltd.
第１の発明においては、高吸水性樹脂は導体素線１に被
覆された軟化状態のベースレジン表面にできるだけ条間
に、かつ均一に付着させることが好ましく、第２の発明
においては、ベースレ９２１００重償部に対し゛（０，
１〜２槍量部配合することが望ましい。０．１重量部未
満では吸水効果が不充分となる。なおベースレジンと＾
吸水性樹脂以外に変色防止剤や架橋剤が含まれＣいても
よい。In the first invention, it is preferable that the superabsorbent resin is adhered to the surface of the softened base resin coated on the conductor wire 1 as uniformly as possible between the strips. For the weighted part ゛(0,
It is preferable to mix 1 to 2 parts of the resin. If it is less than 0.1 part by weight, the water absorption effect will be insufficient. Furthermore, with base resin ^
In addition to the water-absorbing resin, a discoloration inhibitor and a crosslinking agent may be included.
次に本発明方法を図面により説明する。Next, the method of the present invention will be explained with reference to the drawings.
第１図は第１の発明を説明する図・である。FIG. 1 is a diagram explaining the first invention.
図においＣまず導体素線１上に押出１１２により水密コ
ンパウンドのベースレジン３を押出被覆する。次いでダ
イス４直前のベースレジンが軟化状態にある間に高吸水
性樹脂粉末５をベースレジンの被覆された導体素線上に
付着させ、この複数本をダイス４′ｃ撚合せる。なお、
高吸水性樹脂を均一に付着させるために図において上方
および下刃の２方向から高吸水性樹脂を吹付けるのが好
ましい。高吸水性樹脂５は押出し直後のベースレジン３
が柔かいのＣその表面に容易に付着し、水密コンパウン
ドの表面層により多く分布するようになるのＣ水密効率
が向上し、使用量が少なくて済む。In the figure, first, a base resin 3 of a watertight compound is extruded and coated onto the conductor wire 1 by extrusion 112. Next, while the base resin in front of the die 4 is in a softened state, super absorbent resin powder 5 is deposited on the conductor wires coated with the base resin, and the plurality of conductor wires are twisted together through the die 4'c. In addition,
In order to uniformly adhere the superabsorbent resin, it is preferable to spray the superabsorbent resin from two directions: the upper and lower blades in the figure. Super absorbent resin 5 is base resin 3 immediately after extrusion
Since C is soft, C easily adheres to its surface and becomes more distributed in the surface layer of the watertight compound, improving watertight efficiency and requiring less usage.
撚合された水密導体は巻取機６で巻取られる。The twisted watertight conductor is wound up by a winding machine 6.
第２図は第２の発明を説明する図Ｃある。なお第１図と
共通する部分は同一符号で示す。FIG. 2 is diagram C explaining the second invention. Note that parts common to those in FIG. 1 are indicated by the same reference numerals.
図においてベースレジン３のペレットが入つＣいるタン
ク７と高吸水性樹脂５の粉末が入っているタンク８とか
らそれぞれ所定割合Ｃベースレジンおよび高吸水性樹脂
が混合槽９に入れられ、回転等により攪拌されｃ高吸水
性樹脂をベースレジンの表面に（＝Ｉ肴させる。次いに
のペレットを押出機の小ツバ−へ入れ導体素線１土に押
出被覆し、これを複数本ダイス４で撚合せ（水密導体が
製造される。In the figure, predetermined proportions of base resin C and super absorbent resin are put into a mixing tank 9 from tank 7 containing pellets of base resin 3 and tank 8 containing powder of super absorbent resin 5, and rotated. etc., and the super absorbent resin is applied to the surface of the base resin (=I). Next, the pellets are put into the small collar of the extruder, extruded and coated on one conductor wire, and a plurality of these are diced. Twisting at 4 (a watertight conductor is produced).
［発明の実施例］ 次に本発明の実施例についＣ説明りる。[Embodiments of the invention] Next, an embodiment of the present invention will be explained.
実施例１
外径２．９非φの導体素線にポリエチレンを厚さ２．０
龍に押出被覆し、次いでアクアキープ１０Ｓ］１をその
表面にふりかけで付着させこれを１９本撚合１！１２５
ｎｎ１ｉの水密導体を製造した。Example 1 Polyethylene was applied to a conductor wire with an outer diameter of 2.9 mm and a thickness of 2.0 mm.
Extrusion coat the dragon, then sprinkle Aqua Keep 10S]1 on the surface and twist 19 pieces 1!125
A watertight conductor of nn1i was manufactured.
さらにこの上に常法により３．３開厚の架橋ポリ１チレ
ンからなる絶縁被覆を設けて水蜜ケーブルを製造した。Furthermore, an insulating coating made of cross-linked polyethylene with an open thickness of 3.3 mm was provided thereon by a conventional method to produce a water-tight cable.
なお、アクアキープ１０，８１−１の使用量は従来法（
ポリエチレンｉｏｏ重ｉ部にアクアキープ１重吊部を混
練し均一に分布させた水密コンパウンドを使用）の１／
３とした。In addition, the amount of Aqua Keep 10, 81-1 used is the same as the conventional method (
Uses a watertight compound made by kneading Aqua Keep 1-layer hanging part into polyethylene IOO weight part and uniformly distributing it).
It was set as 3.
このようにして得られた水密ケーブルの水密性、撚線の
笑いの発生は従来のものと遜色なかった。The watertightness of the watertight cable obtained in this way and the occurrence of stranded cables were comparable to those of conventional cables.
なお水密性は２ｍの水密ケーブルの°片端より水圧１．
５ｋｇ／ｃ＋ｒを加えたまま２日間保持して、他端から
の漏水量を測定することにより評価した。また、撚線の
笑いの発生の有無は目視にＪ、り観察しｌこ 。The watertightness is determined by the water pressure of 1.2m from one end of a 2m watertight cable.
It was evaluated by keeping it for 2 days with 5 kg/c+r added thereto and measuring the amount of water leaking from the other end. Also, visually observe whether or not the strands are cracking.
実施例２
エチレン・エチルアクリレート１００重量部に対しＣ７
９７年−プ１０ＳＨ１，５重量部を添加し、混合攪拌し
た後、これをスクリュー径２０＋ｌｌｌ１φの押出機の
ホッパーに入れＣ１外径２．９關φの導体素線上に押出
被覆した。これを１９木撚合せて１２５−の水密導体を
製造した。Example 2 C7 for 100 parts by weight of ethylene ethyl acrylate
1.5 parts by weight of 1997-P10SH were added, mixed and stirred, and then put into the hopper of an extruder with a screw diameter of 20+111φ and coated by extrusion onto a conductor wire C1 with an outer diameter of 2.9φ. This was twisted together with 19 pieces of wood to produce a 125-mm watertight conductor.
さらに、この上に２．５Ｗπのポリエチレンからなる押
出絶縁被覆を設け′Ｃ水密ケーブルを製造した。得られ
たケーブルの水密性は従来法により製造したものと遜色
なかった。なお水密試験は２ｍのケーブルの片端に０．
５気圧の水圧をかり、２４時間放置して他端からの水の
もれを観察した。Further, an extruded insulating coating made of 2.5Wπ polyethylene was further applied thereon to produce a 'C watertight cable. The watertightness of the obtained cable was comparable to that produced by the conventional method. The watertight test was conducted with 0.0 mm at one end of the 2 m cable.
A water pressure of 5 atm was applied, and the tube was left for 24 hours, and water leakage from the other end was observed.
［発明の効果］
以上説明したように、本発明り法のいずれによってもベ
ースレジンと高吸水性樹脂を混線する必要はなくなり水
密性に優れた水密導体が製造Ｃ′きる。従っ（、工程が
減り作業が容易となり製造コメ１〜も安くなる。特に第
１の発明方法によれば高吸水性樹脂の使用量を少なくで
きるという利点がある。[Effects of the Invention] As explained above, by any of the methods of the present invention, there is no need to mix the base resin and the super absorbent resin, and a watertight conductor with excellent watertightness can be manufactured. Therefore, the number of steps is reduced, the work becomes easier, and the rice produced becomes cheaper. In particular, the method of the first invention has the advantage that the amount of superabsorbent resin used can be reduced.
第１図は第１の発明方法を説明りるための１１ツク図、
第２図は第２の発明方法を説明するだめの１ｕラックで
ある。
１・・・・・・・・・・・・導体素線
２・・・・・・・・・・・・押出機
３・・・・・・・・・・・・ベースレジン４・・・・・
・・・・・・・ダイス
５・・・・・・・・・・・・高吸水性樹脂６・・・・・
・・・・・・・巻取機
７・・・・・・・・・・・・ペレッ］〜タンク８・・・
・・・・・・・・・粉末タンク９・・・・・・・・・・
・・攪拌機
代理人弁理士 須 山 佐 −
（ほか１名）
第１図
第２図FIG. 1 is an 11-step diagram for explaining the first invention method,
FIG. 2 shows a 1U rack for explaining the second method of the invention. 1... Conductor wire 2... Extruder 3... Base resin 4...・・・
・・・・・・Dice 5・・・・・・・・・Super water absorbent resin 6・・・・・・
...... Winder 7 ... Pellet] ~ Tank 8 ...
・・・・・・・・・Powder tank 9・・・・・・・・・・・・
...Patent attorney representing the agitator, Satoshi Suyama - (1 other person) Figure 1 Figure 2
Claims (3)
スレジンと高吸水性樹脂とからなる水密コンパウンドで
導体素線の間を充填してなる水密導体を製造するにあた
り、予め導体素線上にベースレジンを被覆した後その表
面に高吸水性樹脂粉末を付着させ、これを所定本数撚合
せることを特徴とりろ水密導体の製造方法。(1) When producing a watertight conductor by filling the spaces between the conductor wires with a watertight compound made of a base resin of polyolefin or olefin copolymer and a superabsorbent resin, the base resin is coated on the conductor wires in advance. A method for producing a watertight conductor, characterized in that a super absorbent resin powder is then attached to the surface of the conductor, and a predetermined number of strands are twisted together.
スレジンと高吸水性樹脂とからなる水密コンパウンドで
導体素線の間を充填しＣなる水密導体を製造づるにあた
り、ベースレジンに高吸水性樹脂を混合攪拌してベース
レジンのペレット表面に高吸水性樹脂の粉末を付着させ
た状ａｔ−押出機に供給し導体素線上に押出被覆し、こ
れを所定本数撚合せることを特徴とする水密導体の製造
方法。(2) When manufacturing a watertight conductor C by filling between the conductor wires with a watertight compound consisting of a polyolefin or olefin copolymer base resin and a superabsorbent resin, the superabsorbent resin is mixed and stirred with the base resin. A method for producing a watertight conductor, which comprises supplying a base resin pellet with super absorbent resin powder adhered to the surface of the base resin pellet to an AT-extruder, extruding it onto a conductor wire, and twisting a predetermined number of conductor wires. .
：０．１〜２である特許請求の範囲第２項記載の水蜜導
体の製造方法。(3) M ratio of base resin and super absorbent resin is 100
:0.1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11276182A JPS593817A (en) | 1982-06-30 | 1982-06-30 | Method of producing watertight conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11276182A JPS593817A (en) | 1982-06-30 | 1982-06-30 | Method of producing watertight conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS593817A true JPS593817A (en) | 1984-01-10 |
Family
ID=14594866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11276182A Pending JPS593817A (en) | 1982-06-30 | 1982-06-30 | Method of producing watertight conductor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS593817A (en) |
-
1982
- 1982-06-30 JP JP11276182A patent/JPS593817A/en active Pending
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