JPH01320708A - Flame retardant insulated wire - Google Patents
Flame retardant insulated wireInfo
- Publication number
- JPH01320708A JPH01320708A JP63152971A JP15297188A JPH01320708A JP H01320708 A JPH01320708 A JP H01320708A JP 63152971 A JP63152971 A JP 63152971A JP 15297188 A JP15297188 A JP 15297188A JP H01320708 A JPH01320708 A JP H01320708A
- Authority
- JP
- Japan
- Prior art keywords
- insulating layer
- insulated wire
- flame retardant
- weight portion
- weight
- 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
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000003063 flame retardant Substances 0.000 title claims abstract description 15
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 10
- 150000002367 halogens Chemical class 0.000 claims abstract description 10
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 7
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 7
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- 229920005601 base polymer Polymers 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- 238000005299 abrasion Methods 0.000 abstract description 5
- 229920001577 copolymer Polymers 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 2
- 238000010292 electrical insulation Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101100128281 Enterobacteria phage T4 rIII gene Proteins 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- QEZIKGQWAWNWIR-UHFFFAOYSA-N antimony(3+) antimony(5+) oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[Sb+3].[Sb+5] QEZIKGQWAWNWIR-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- UGQQAJOWXNCOPY-UHFFFAOYSA-N dechlorane plus Chemical compound C12CCC3C(C4(Cl)Cl)(Cl)C(Cl)=C(Cl)C4(Cl)C3CCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl UGQQAJOWXNCOPY-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
この発明は難燃性絶縁電線に係わり、特に耐摩耗性およ
び燃焼時の電気絶縁性に優れた絶縁電線に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a flame-retardant insulated wire, and particularly to an insulated wire with excellent wear resistance and electrical insulation during combustion.
[従来の技術]
日出線、ゴムコート等の絶縁材料としては可撓性、電気
絶縁性に優れたエチレンプロピレンゴムを主体とするポ
リマーか用いられている。最近の趨性としてUL規格V
W−ルベルの高度の難燃性に加え、耐摩耗性および火災
の際の安全対策−し、燃焼時の電気絶縁性か要望される
ようになってきた。[Prior Art] Polymers mainly composed of ethylene propylene rubber, which have excellent flexibility and electrical insulation properties, are used as insulating materials for Hiji wires, rubber coats, and the like. As a recent trend, UL standard V
In addition to W-Lebel's high degree of flame retardancy, there is a growing demand for its abrasion resistance, safety measures in the event of a fire, and electrical insulation during combustion.
従来難燃化する方法としては、ハロゲン含有化合物やり
ん含有化合物等を混和する方法か用いられてきた。Conventionally, methods for making flame retardant include mixing halogen-containing compounds, phosphorus-containing compounds, etc.
[発明か解決しようとする課題]
しかし、ハロゲン含有化合物やりん含有化合物等を混和
する方法は、燃焼時の電気絶縁性を著しく低下させると
いう問題かある。[Problems to be Solved by the Invention] However, the method of mixing halogen-containing compounds, phosphorus-containing compounds, etc. has a problem in that the electrical insulation properties during combustion are significantly reduced.
この発明の目的は前述した従来技術の欠点を解消し良好
な耐摩耗性、燃焼時の電気絶縁性を保持し、しかも高度
の難燃性を有する難燃性絶縁電線を提供することにある
。An object of the present invention is to provide a flame-retardant insulated wire that eliminates the drawbacks of the prior art described above, maintains good wear resistance and electrical insulation during combustion, and has a high degree of flame retardancy.
[課題を解決するための手段]
この発明の難燃性絶縁電線は絶縁層を内外2層構造とし
、内部絶縁層を可撓性エチレン系ポツマ−100重量部
に対し金属水酸化物50〜500重量部含有する組成物
により、外部絶縁層を可撓性エチレン系ポリマー100
重量部に対しハロゲン系難燃剤を10〜100重量部含
有するかまたは塩素化ポリエチレンをベースポリマーに
用いた組成物により形成され、内部絶縁層と外部絶縁層
の厚さの比を90/lO〜70/30となるように構成
したものである。[Means for Solving the Problems] The flame-retardant insulated wire of the present invention has an insulating layer having a two-layer structure, an inner and outer insulating layer, and an inner insulating layer containing 50 to 500 parts by weight of a metal hydroxide to 100 parts by weight of flexible ethylene-based potsumer. The composition contains 100 parts by weight of a flexible ethylene polymer to form an outer insulating layer.
It is formed from a composition containing 10 to 100 parts by weight of a halogen flame retardant or using chlorinated polyethylene as a base polymer, and the thickness ratio of the inner insulating layer and the outer insulating layer is 90/lO to The ratio is 70/30.
[実 施 例]
本発明者等は鋭意研究し検討した結果、燃焼時の絶縁性
に対しては難燃剤として金属水酸化物を混和することか
、また耐摩耗性および高度の難燃性を付与するにはハロ
ゲン系難燃剤の添加もしくは塩素化ポリエチレンの使用
か有効なことを見い出し、この発明の2層構造に至った
。[Example] As a result of intensive research and consideration, the present inventors have found that it is best to mix metal hydroxide as a flame retardant to improve insulation during combustion, and to improve wear resistance and high flame retardancy. It has been found that adding a halogen flame retardant or using chlorinated polyethylene is effective for imparting this effect, leading to the two-layer structure of the present invention.
この発明において可撓性ポリオレフィンとしてはエチレ
ンプロピレンコポリマー、エチレンプロピレンジェンタ
ーポリマー、エチレンブテンコポリマー、エチレンフテ
ンジエンターボリマー、エチレン酢酸ヒニルコボリマー
、エチレンエチルアクリレートコポリマーといったもの
か挙げられ、これらは単独または2種以上併用して使用
される。In this invention, flexible polyolefins include ethylene propylene copolymer, ethylene propylene terpolymer, ethylene butene copolymer, ethylene phthendient terpolymer, ethylene hynyl acetate copolymer, and ethylene ethyl acrylate copolymer, which may be used alone or in combination of two or more. used as
塩素化ポリエチレンとしては非品性タイプおよび結晶性
タイプのいずれも使用可能てあ・す、上述の可撓性ポリ
オレフィンと2種以上併用して使用することもてきる。As the chlorinated polyethylene, both non-free type and crystalline type can be used, and two or more types can be used in combination with the above-mentioned flexible polyolefin.
金属水酸化物としては水酸化アルミニウム、水酸化マク
ネシウム、塩基性炭酸マクネシウム、ハイドロタルサイ
ト類等かあり、これらは単独または2種以上併用して使
用してもよい。Examples of metal hydroxides include aluminum hydroxide, magnesium hydroxide, basic magnesium carbonate, and hydrotalcites, and these may be used alone or in combination of two or more.
ハロゲン系難燃剤とはハロゲン元素を分子中に有する化
合物てあり、テカフロモシフェニルエーテル、ヘキサフ
口モヘンセン、ヘキサフロモビフェニル、米国Hook
er Chem社製「デクロランプラス」といったも
のか挙げられ、これらは二酸化アンチモンと併用すると
難燃性はより一層向上する。Halogen-based flame retardants are compounds that have a halogen element in their molecules, such as tecafuromosiphenyl ether, hexaflomo biphenyl, hexafuromobiphenyl, and American Hook.
Examples include "Dechlorane Plus" manufactured by Er Chem, and when these are used in combination with antimony dioxide, the flame retardance is further improved.
この発明てはこれらの配合剤に加えて架橋材。In addition to these compounding agents, this invention uses a crosslinking agent.
架橋助剤、充填剤、酸化防止剤、安定剤、OT塑材、滑
剤等を添加してもよい。Crosslinking aids, fillers, antioxidants, stabilizers, OT plastic materials, lubricants, etc. may be added.
この発明の内部絶縁層における金属水酸化物の含有量は
50〜500重量部とする必要かあり、下限値未満では
目的とする難燃性を付与てきず、上限値を越えると押出
加工性が著しく低下し成形不能となる。外部絶縁層にお
けるハロゲン系難燃剤の含有量は10〜100重量部と
する必要があり、下限値以下では所望の難燃性が得られ
ず、上限値を越えると耐摩耗性か著しく悪くなる。The content of metal hydroxide in the internal insulating layer of this invention needs to be 50 to 500 parts by weight; if it is less than the lower limit, the desired flame retardancy cannot be imparted, and if it exceeds the upper limit, extrusion processability will deteriorate. It deteriorates significantly and becomes unmoldable. The content of the halogenated flame retardant in the outer insulating layer must be 10 to 100 parts by weight; below the lower limit, the desired flame retardancy cannot be obtained, and above the upper limit, the abrasion resistance deteriorates significantly.
さらに内部絶縁層と外部絶縁層の厚さの割合を90/1
0〜70/30の範囲とする必要があり、外部絶縁層の
厚さか10%未満ては難燃性が不十分てあり、30%を
越えると燃焼時の電気絶縁性か大幅に低下する。Furthermore, the ratio of the thickness of the inner insulating layer and the outer insulating layer is 90/1.
If the thickness of the outer insulating layer is less than 10%, the flame retardance is insufficient, and if it exceeds 30%, the electrical insulation during combustion will be significantly reduced.
以下、この発明の具体的な実施例を比較例と対比しなが
ら説明する。Hereinafter, specific examples of the present invention will be described while comparing them with comparative examples.
第1表に示される実施例1〜5および比較例1〜3の各
種組成成分を温度120°Cに保持した6インチロール
に投入しロール混練を行い、混練後温度120 ’Cに
保持した4 0 m / m押出機(L/D=25)を
用いて外径1.8mmのスズメツキ銅線上に2mm厚て
押出被覆し、その後12kg/rIII112,3分の
条件で上記架橋を行って各試料とした。The various composition components of Examples 1 to 5 and Comparative Examples 1 to 3 shown in Table 1 were put into a 6-inch roll kept at a temperature of 120°C, and roll kneaded. Using a 0 m/m extruder (L/D = 25), a 2 mm thick coating was extruded onto a tin plated copper wire with an outer diameter of 1.8 mm, and then the above-mentioned crosslinking was performed under the conditions of 12 kg/rIII 112.3 minutes to obtain each sample. And so.
得られた各試料の評価結果を第1表に纒めて示す。The evaluation results of each sample obtained are summarized in Table 1.
耐摩耗性は、U L規格44に準拠し、荷重1ボンドで
200ストローク往復させたとき、絶縁層か露出しない
ものを合格とし、露出するものを不合格とした。The abrasion resistance was determined in accordance with UL standard 44, and when the insulating layer was not exposed when the insulating layer was reciprocated for 200 strokes with one bond load, it was judged to be a pass, and if the insulating layer was exposed, it was judged to be a fail.
燃焼時の電気絶縁性は長さ10cmの電線を水平にし、
その一方の端にブンゼンバーナーを3分間あて、そのと
きの絶縁抵抗て評価した。For electrical insulation during combustion, use a 10cm long electric wire horizontally.
A Bunsen burner was applied to one end for 3 minutes, and the insulation resistance at that time was evaluated.
難燃性評価はUL規格1581に準拠し、垂直燃焼試験
を行い1分以内に消えれば合格てあり1分以上燃えるも
のは不合格である。Flame retardancy evaluation is based on UL Standard 1581, and a vertical combustion test is conducted. If it disappears within 1 minute, it passes; if it burns for more than 1 minute, it passes.
第1表よりこの発明の範囲にある実施例1〜5のものは
いずれも耐摩耗性、燃焼時の電気絶縁性が良好てあり、
難燃性はUL規格1581の垂直燃焼試験に合格する。From Table 1, Examples 1 to 5 within the scope of the present invention all have good wear resistance and electrical insulation during combustion.
For flame retardancy, it passes the vertical combustion test of UL standard 1581.
これに対し比較例1のものは内部絶縁層に金属水酸化物
か混和されておらず、難燃性か不合格である。On the other hand, in Comparative Example 1, no metal hydroxide was mixed in the internal insulating layer, and the flame retardance was rejected.
比較例2のものは外部絶縁層のハロゲン系難燃剤か限定
値を越えるものて、耐摩耗性か悪く燃焼時の電気絶縁性
も低い。比較例3のものは外部絶縁層のない構造であり
、耐摩耗性か悪い。In Comparative Example 2, the halogen-based flame retardant in the outer insulating layer exceeded the limit, and the abrasion resistance was poor and the electrical insulation during combustion was low. Comparative Example 3 has a structure without an external insulating layer and has poor wear resistance.
(以下余白)
[発明の効果]
以上説明したとおり、この発明によれば良好な耐摩耗性
、燃焼時の電気絶縁性をもち、しかも高度の難燃性を有
する難燃性絶縁電線を得ることかてきる。(The following is a blank space) [Effects of the Invention] As explained above, according to the present invention, it is possible to obtain a flame-retardant insulated wire that has good wear resistance, electrical insulation properties during combustion, and has a high degree of flame retardancy. It comes.
Claims (1)
酸化物を50〜500重量部含有する内部絶縁層を導体
外周に設け、この外側に可撓性エチレン系ポリマー10
0重量部に対しハロゲン系難燃剤を10〜100重量部
含有するかまたは塩素化ポリエチレンをベースポリマー
に用いた外部絶縁層を設けてなり、内部絶縁層と外部絶
縁層の厚さの比が90/10〜70/30であることを
特徴とする難燃性絶縁電線。An internal insulating layer containing 50 to 500 parts by weight of metal hydroxide per 100 parts by weight of a flexible ethylene polymer is provided around the conductor, and 10 parts by weight of a flexible ethylene polymer is provided on the outer periphery of the conductor.
0 parts by weight, an outer insulating layer containing 10 to 100 parts by weight of a halogen flame retardant or using chlorinated polyethylene as a base polymer, and the ratio of the thickness of the inner insulating layer to the outer insulating layer is 90. A flame-retardant insulated wire characterized by having a ratio of /10 to 70/30.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63152971A JPH01320708A (en) | 1988-06-21 | 1988-06-21 | Flame retardant insulated wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63152971A JPH01320708A (en) | 1988-06-21 | 1988-06-21 | Flame retardant insulated wire |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01320708A true JPH01320708A (en) | 1989-12-26 |
Family
ID=15552145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63152971A Pending JPH01320708A (en) | 1988-06-21 | 1988-06-21 | Flame retardant insulated wire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01320708A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0436724U (en) * | 1990-07-24 | 1992-03-27 | ||
WO2019123876A1 (en) | 2017-12-19 | 2019-06-27 | トタニ技研工業株式会社 | Method for producing plastic bag |
-
1988
- 1988-06-21 JP JP63152971A patent/JPH01320708A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0436724U (en) * | 1990-07-24 | 1992-03-27 | ||
WO2019123876A1 (en) | 2017-12-19 | 2019-06-27 | トタニ技研工業株式会社 | Method for producing plastic bag |
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