JPS63274007A - Polyolefin cable - Google Patents
Polyolefin cableInfo
- Publication number
- JPS63274007A JPS63274007A JP10892987A JP10892987A JPS63274007A JP S63274007 A JPS63274007 A JP S63274007A JP 10892987 A JP10892987 A JP 10892987A JP 10892987 A JP10892987 A JP 10892987A JP S63274007 A JPS63274007 A JP S63274007A
- Authority
- JP
- Japan
- Prior art keywords
- cable
- polyolefin
- insulating layer
- layer
- conductor
- 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
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 abstract description 8
- 239000004698 Polyethylene Substances 0.000 abstract description 4
- 240000005572 Syzygium cordatum Species 0.000 abstract description 4
- 235000006650 Syzygium cordatum Nutrition 0.000 abstract description 4
- -1 polyethylene Polymers 0.000 abstract description 4
- 229920000573 polyethylene Polymers 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 abstract description 2
- 208000019901 Anxiety disease Diseases 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 230000036506 anxiety Effects 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 2
- 238000003682 fluorination reaction Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- OIGWAXDAPKFNCQ-UHFFFAOYSA-N 4-isopropylbenzyl alcohol Chemical compound CC(C)C1=CC=C(CO)C=C1 OIGWAXDAPKFNCQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- RQFFWWCBFDJUJY-UHFFFAOYSA-N methane 1-phenylethanone Chemical compound C(C)(=O)C1=CC=CC=C1.C RQFFWWCBFDJUJY-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はプラスチックケーブル特にポリオレフィンを絶
縁層とするケーブルの改良に存する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention consists in improving plastic cables, particularly cables having polyolefin as an insulating layer.
従来の技術
近時プラスチックは電気ケーブルの分野で広く用いられ
ているが、中でもポリエチレンは安価で絶縁性に優れて
いるところから、唯一の弱点である軟化温度の低い点を
架橋により高めている。即ちポリエチレン電カケープル
の場合導体の温度で７５℃程度までしか使用できないが
ジクミルパーオキサイドの如き架橋剤で架橋したＸＬＰ
Ｒｔ の如き電カケープルでは導体温度が９０℃程度
まで使用できるが、ケーブル製造時の架橋反応により発
生する架橋残渣（メタンアセトフェノンやクミルアルコ
ール水等）によシ長期的に見た場合、ボータイ状トリー
、水トリー等絶縁劣化の原因を潜在するものであった。Conventional Technology Recently, plastics have been widely used in the field of electrical cables, but polyethylene is inexpensive and has excellent insulation properties, so its only weak point, its low softening temperature, has been improved through crosslinking. In other words, in the case of polyethylene electrical cable, it can only be used up to a conductor temperature of about 75°C, but XLP crosslinked with a crosslinking agent such as dicumyl peroxide
Electrical cables such as Rt can be used up to conductor temperatures of around 90°C, but in the long run, they may suffer from bow tie-like formations due to crosslinking residues (methane acetophenone, cumyl alcohol water, etc.) generated by the crosslinking reaction during cable manufacturing. Trees, water trees, etc. were potential causes of insulation deterioration.
発明が解決すべき問題点
本発明は従来の技術における前記難点を比較的容易に解
決することを目的とするものである。Problems to be Solved by the Invention It is an object of the present invention to relatively easily solve the above-mentioned difficulties in the prior art.
問題点を解決するための手段
本発明の概要は架橋してないポリオレフィンの一部又は
全部を弗素化したものを絶縁層とするポリオレフィンケ
ーブルにして、これによシ架橋なくして耐熱性を高め、
しかもボータイ状トリー、水トリーの発生のおそれのな
いケーブルを提供するものである。Means for Solving the Problems The outline of the present invention is to create a polyolefin cable whose insulating layer is made by fluorinating a part or all of non-crosslinked polyolefin, thereby increasing heat resistance without crosslinking.
Moreover, the present invention provides a cable that is free from the possibility of bow tie-like trees or water trees.
いまポリオレフィンの弗素化を化学式で示せばなお弗素
化の程度によって適当量のＨを残存させてもよい。Now, if the fluorination of polyolefin is shown by a chemical formula, an appropriate amount of H may remain depending on the degree of fluorination.
実施例
（実施例１）
導体ｉ上に内部半導電層２を設け、その上に弗素化ポリ
オレフィン絶縁層３ａを設け、次（二外部半導電層４を
設け、更にその外部にポリエチレンシース５を設けて第
１図に示す如き電カケープルとしである。Example (Example 1) An inner semiconducting layer 2 is provided on the conductor i, a fluorinated polyolefin insulating layer 3a is provided thereon, and then a second outer semiconducting layer 4 is provided, and a polyethylene sheath 5 is further provided on the outside thereof. A power cable as shown in FIG. 1 is provided.
（実施例２）
導体ｌ上に内部半導電層２を設け、その上に弗素化ポリ
オレフィン絶縁層３ａと通常のポリオレフィン絶縁層３
ｂとを順次設け、その外部に外部半導電層４とシース５
とを順次設けて電カケープルとしである。実施例１のケ
ーブルは絶縁層全体が弗素化されているので耐熱性の高
められた絶縁層を有することになシ、実施例２のケーブ
ルは温度上昇の影響の大きい導体側に弗素化ポリオレフ
ィン絶縁層３を設けであるのでこれまた所定の設計に応
じて耐熱性の優れた電カケープルを得ることができる。(Example 2) An internal semiconducting layer 2 is provided on the conductor l, and a fluorinated polyolefin insulating layer 3a and a normal polyolefin insulating layer 3 are formed thereon.
b are sequentially provided, and an external semiconducting layer 4 and a sheath 5 are provided on the outside thereof.
and are installed sequentially to form an electric cable. The cable of Example 1 has an insulation layer with increased heat resistance because the entire insulation layer is fluorinated, and the cable of Example 2 has fluorinated polyolefin insulation on the conductor side, which is more affected by temperature rise. Since layer 3 is provided, an electric cable with excellent heat resistance can also be obtained depending on a predetermined design.
なお本発明の実施に尚フ、導体側の半導電層も弗素化す
れば弗素化した絶縁層と一体製造もできその特性上も一
層有利である。In carrying out the present invention, if the semiconducting layer on the conductor side is also fluorinated, it can be manufactured integrally with the fluorinated insulating layer, which is more advantageous in terms of characteristics.
又、実施例１、および２のケーブルはいづれもボータイ
状トリー、水トリー等は発生しなかつ九本発明による電
カケープルと従来の電カケープルの比較試験をした結果
は以下のとおシである。Further, the cables of Examples 1 and 2 did not cause any bow tie-like tree or water tree, and the results of a comparative test between the electric cable according to the present invention and the conventional electric cable were as follows.
発明の効果
以上の比較試験から判るように本発明による電カケープ
ルは、導体の温度上昇によっても絶縁体は軟化せず、電
気的特性にも優れたケーブルを提供することができる◇As can be seen from the comparative tests above and beyond the effects of the invention, in the electric cable according to the present invention, the insulator does not soften even when the temperature of the conductor increases, and it is possible to provide a cable with excellent electrical properties.
第１図、第２図はそれぞれ本発明によるポリオレフィン
ケーブルの一例を示す断面図である。FIG. 1 and FIG. 2 are sectional views each showing an example of a polyolefin cable according to the present invention.
Claims (1)
されていることを特徴とするポリオレフィンケーブル(1) A polyolefin cable characterized in that part or all of the polyolefin insulation layer is fluorinated
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10892987A JPS63274007A (en) | 1987-05-06 | 1987-05-06 | Polyolefin cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10892987A JPS63274007A (en) | 1987-05-06 | 1987-05-06 | Polyolefin cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63274007A true JPS63274007A (en) | 1988-11-11 |
Family
ID=14497236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10892987A Pending JPS63274007A (en) | 1987-05-06 | 1987-05-06 | Polyolefin cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63274007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02123615A (en) * | 1988-11-02 | 1990-05-11 | Daido Sanso Kk | Covering material of electric wire and manufacture thereof |
-
1987
- 1987-05-06 JP JP10892987A patent/JPS63274007A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02123615A (en) * | 1988-11-02 | 1990-05-11 | Daido Sanso Kk | Covering material of electric wire and manufacture thereof |
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