JPH02201813A - Flame retardant cable - Google Patents
Flame retardant cableInfo
- Publication number
- JPH02201813A JPH02201813A JP1020481A JP2048189A JPH02201813A JP H02201813 A JPH02201813 A JP H02201813A JP 1020481 A JP1020481 A JP 1020481A JP 2048189 A JP2048189 A JP 2048189A JP H02201813 A JPH02201813 A JP H02201813A
- Authority
- JP
- Japan
- Prior art keywords
- cross
- link
- conductor
- resin composition
- flame
- 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
- 239000003063 flame retardant Substances 0.000 title claims description 12
- 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 description 11
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 239000011342 resin composition Substances 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract 2
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract description 2
- 230000005865 ionizing radiation Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 150000001451 organic peroxides Chemical class 0.000 abstract description 2
- 229910000077 silane Inorganic materials 0.000 abstract description 2
- XJKVPKYVPCWHFO-UHFFFAOYSA-N silicon;hydrate Chemical compound O.[Si] XJKVPKYVPCWHFO-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- -1 polypropylene Polymers 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 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
- 238000010894 electron beam technology Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は難燃性電線、特に耐摩耗性に優れたポリプロピ
レン系難燃性電線に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a flame-retardant electric wire, particularly a polypropylene-based flame-retardant electric wire having excellent wear resistance.
［従来の技術］
近年、電気・電子機器や自動車などに使用される電線に
対し、コンパクトで、かつ、取扱いが容易であることが
強く要求され、できるだけ絶縁厚を薄くすることが望ま
れている。[Prior Art] In recent years, there has been a strong demand for electric wires used in electrical and electronic equipment, automobiles, etc. to be compact and easy to handle, and it is desired to reduce the insulation thickness as much as possible. .
このような薄肉電線として、ビニル電線、難燃化された
架橋ポリエチレン電線、ふっ素樹脂電線などが使われて
いる。Vinyl electric wires, flame-retardant crosslinked polyethylene electric wires, fluororesin electric wires, and the like are used as such thin electric wires.
［発明が解決しようとする課題］
しかし、ビニル電線や難燃性架橋ポリエチレン電線は高
温特性、例えばカットスルー特性などが不十分であり、
かつ、耐熱性が不十分である。−方、ふっ素樹脂電線は
特性的には問題ないが、高価すぎて汎用にはならない。[Problems to be solved by the invention] However, vinyl electric wires and flame-retardant cross-linked polyethylene electric wires have insufficient high-temperature properties, such as cut-through properties,
Moreover, heat resistance is insufficient. - On the other hand, fluororesin electric wire has no problems in terms of characteristics, but it is too expensive to be used for general purpose.
コスト的にも特性的にも優れた材料として、ポリプロピ
レンに難燃剤を加えた組成物があるが、これは強靭性、
特に実用上重要な耐摩耗性に劣っている。A composition made of polypropylene with a flame retardant added is a material that is superior in terms of cost and properties;
In particular, it is inferior in wear resistance, which is important for practical use.
本発明の目的は、前記した従来技術の欠点を解消し、耐
摩耗性に優れたポリプロピレン系難燃性電線を提供する
ことにある。An object of the present invention is to eliminate the drawbacks of the prior art described above and to provide a flame-retardant polypropylene electric wire with excellent wear resistance.
［課題を解決するための手段及び作用］本発明の要旨は
、
■、一般式：
％式％）
（式中、Ｒ１はＨ又はＣＨ：ｉ 、Ｃ２ＨＳｓＣ３Ｈア
などの低級アルキル基１、Ｒ２はＣＨ３又はｃ２Ｈａ
Ｓｍは５〜２００．ｎは重合度で１００以上である。）
で表されるポリマーに添加型難燃剤を含有させてなる樹
脂組成物を導体外周に被覆し、架橋したことにあり、そ
れによって耐摩耗性を大幅に向上させたものである。[Means and effects for solving the problems] The gist of the present invention is as follows: (1) General formula: % formula %) (In the formula, R1 is H or a lower alkyl group 1 such as CH:i, C2HSsC3H, etc., and R2 is CH3 or c2Ha
Sm is 5-200. n is the degree of polymerization and is 100 or more. The conductor is coated with a resin composition formed by adding an additive flame retardant to the polymer represented by the following formula and crosslinked, thereby greatly improving wear resistance.
本発明において、上記一般式で表されるポリマーとじて
は、数平均分子量が５Ｘ１０３〜１０６好ましくは５Ｘ
１０４〜１０５のものが適当である。In the present invention, the polymer represented by the above general formula has a number average molecular weight of 5X103 to 106, preferably 5X
104 to 105 is suitable.
架橋方式としては、電離性放射線による照射架橋、有機
過酸化物による化学架橋、シラングラフト後に水分と接
触させるシラン水架橋などが挙げられる。Examples of crosslinking methods include irradiation crosslinking using ionizing radiation, chemical crosslinking using organic peroxides, and silane water crosslinking in which silane is grafted and then brought into contact with moisture.
本発明で使用される添加型難燃剤としては、デクロラン
プラス（フッカ−ケミカル社）、サイチックＢＴ−９３
（サイチック社）、デカブロモジフェニルエーテルなど
が代表的なものであるが、これらに限られない。Additive flame retardants used in the present invention include Dechlorane Plus (Hooker Chemical Co.), Cytic BT-93
(Cytic Co., Ltd.), decabromodiphenyl ether, and the like are representative examples, but they are not limited to these.
本発明においては、上記ポリマーに必要に応じてポリエ
チレン、ポリプロピレン、ポリブテンなどのポリオレフ
ィン、エチレン−酢酸ビニル共重合体、エチレン−エチ
ルアクリレート共重合体、エチレン−プロピレン共重合
体、エチレン−プロピレン−ジエン三元共重合体、エチ
レン−ブテン共重合体などのエチレン系共重合体を混和
してもよい。また、酸化防止剤、滑剤、充填剤などを添
加することもできる。In the present invention, polyolefins such as polyethylene, polypropylene, and polybutene, ethylene-vinyl acetate copolymers, ethylene-ethyl acrylate copolymers, ethylene-propylene copolymers, ethylene-propylene-diene tripolymers, etc. The original copolymer and an ethylene copolymer such as an ethylene-butene copolymer may be mixed. Further, antioxidants, lubricants, fillers, etc. can also be added.
［実施例］
表の各側に示す成分を８インチロールに投入して混練し
、混線シートをベレタイザでベレット化した。このペレ
ットを押出機に投入して、断面積０．３ｍａ＋２の導体
上に厚さ０．４１ｍａ＋で押出被覆した。その後、実施
例については電子線を５Ｍｒａｄ照射した。[Example] The components shown on each side of the table were put into an 8-inch roll and kneaded, and the mixed wire sheet was pelletized using a pelletizer. The pellets were put into an extruder and extrusion coated onto a conductor having a cross-sectional area of 0.3 ma+2 to a thickness of 0.41 ma+. Thereafter, in the example, an electron beam of 5 Mrad was irradiated.
表の評価結果から明らかなように、本発明に係る実施例
はいずれも耐摩耗性試験に合格したが、比較例は不合格
であった。As is clear from the evaluation results in the table, all of the Examples according to the present invention passed the wear resistance test, but the Comparative Examples failed.
なお、難燃性については、実施例、比較例ともに垂直ト
レイ燃焼試験に合格した。Regarding flame retardancy, both the Examples and Comparative Examples passed the vertical tray combustion test.
［発明の効果コ
以上説明したように本発明によれば、耐摩耗性に優れた
ポリプロピレン系難燃性電線を提供することができる。[Effects of the Invention] As explained above, according to the present invention, a flame-retardant polypropylene electric wire with excellent wear resistance can be provided.
Claims (1)
３Ｈ＿７などの低級アルキル基、、Ｒ＿２はＣＨ＿３又
はＣ＿２Ｈ＿５、ｍは５〜２００、ｎは重合度で１００
以上である。） で表されるポリマーに添加型難燃剤を含有させてなる樹
脂組成物を導体外周に被覆し、架橋してなることを特徴
とする難燃性電線。1. General formula: ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (In the formula, R_1 is H or CH_3, C_2H_5, C_
A lower alkyl group such as 3H_7, R_2 is CH_3 or C_2H_5, m is 5 to 200, and n is the degree of polymerization of 100.
That's all. 1. A flame-retardant electric wire characterized in that the outer periphery of a conductor is coated with a resin composition formed by adding an additive flame retardant to a polymer represented by the following formula, and crosslinked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1020481A JPH02201813A (en) | 1989-01-30 | 1989-01-30 | Flame retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1020481A JPH02201813A (en) | 1989-01-30 | 1989-01-30 | Flame retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02201813A true JPH02201813A (en) | 1990-08-10 |
Family
ID=12028317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1020481A Pending JPH02201813A (en) | 1989-01-30 | 1989-01-30 | Flame retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02201813A (en) |
-
1989
- 1989-01-30 JP JP1020481A patent/JPH02201813A/en active Pending
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