JPH02201814A - Flame retardant electric wire - Google Patents
Flame retardant electric wireInfo
- Publication number
- JPH02201814A JPH02201814A JP1020482A JP2048289A JPH02201814A JP H02201814 A JPH02201814 A JP H02201814A JP 1020482 A JP1020482 A JP 1020482A JP 2048289 A JP2048289 A JP 2048289A JP H02201814 A JPH02201814 A JP H02201814A
- Authority
- JP
- Japan
- Prior art keywords
- cross
- link
- resin composition
- electric wire
- 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
- 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 12
- 239000003063 flame retardant Substances 0.000 title claims description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 6
- 125000004054 acenaphthylenyl group Chemical group C1(=CC2=CC=CC3=CC=CC1=C23)* 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 238000004132 cross linking Methods 0.000 claims abstract description 5
- 239000011342 resin composition Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract 2
- 238000000576 coating method Methods 0.000 claims abstract 2
- 239000000126 substance Substances 0.000 claims abstract 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 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
- 239000007859 condensation product Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229920001577 copolymer Polymers 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
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- WXCZUWHSJWOTRV-UHFFFAOYSA-N but-1-ene;ethene Chemical compound C=C.CCC=C WXCZUWHSJWOTRV-UHFFFAOYSA-N 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000004615 ingredient 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
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.
Ｃ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。C. Prior Art] In recent years, there has been a strong demand for electric wires used in electrical/electronic equipment, automobiles, etc. to be compact and easy to handle, and it is desired to make the insulation thickness as thin 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
恩特性、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。[Problem to be solved by the invention] However, vinyl electric wires and flame-retardant cross-linked polyethylene electric wires do not have sufficient high properties, such as cut-through properties.
Moreover, heat resistance is insufficient.
方、ふっ素樹脂電線は、特性的にはｌｊＹ題はないが、
高価すぎて汎用にはならない。On the other hand, although fluororesin electric wire does not have the ljY problem in terms of characteristics,
It's too expensive to be used universally.
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コ本発明の要旨は
、
１、一般式。[Means and effects for solving the problems The gist of the present invention is as follows: 1. General formula.
Ｈ
Ｃ（Ｒ１） ｚ
（式中、Ｒ１はＨ又はＣＨ３、、Ｃ２ＨＳｓＣ３ＨＴな
どの低級アルキル基１、Ｒ２はＣＨ３又はＣ２Ｒ５、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難燃剤として臭素化アセナフチレ
ン縮合体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。H C(R1) z (wherein R1 is H or CH3, lower alkyl group 1 such as C2HSsC3HT, R2 is CH3 or C2R5, m
is 5 to 200, and n is the degree of polymerization of 100 or more. ) A resin composition made by adding a brominated acenaphthylene condensate as a flame retardant to the polymer represented by the above is coated on the outer periphery of the conductor and cross-linked, 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して
は、数平均分子量が５Ｘ１０３〜１０６好ましくは５Ｘ
１０’〜１０！ｉ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
10'~10! i is appropriate.
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.
本発明で難燃剤として使用される臭素化アセナフチレン
縮合体（Ｃｏｎｄｅｎｓｅｄ Ｂｒｏａ＋ｏａｃｅ ｎ
ａｐｈｔｈｙｌｃｎｅ）として、例えば次の式で表され
る化合物が代表的なものであるが、これらに限られない
。Brominated acenaphthylene condensate used as a flame retardant in the present invention
Aphthylcne) is typically, for example, a compound represented by the following formula, but is not limited thereto.
共重合体などのエチレン系共重合体を混和してもよい。An ethylene copolymer such as a copolymer may be mixed.
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。Further, antioxidants, lubricants, fillers, etc. can also be added.
［実施例コ
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０．３１１１２（７）
導体上に厚さ０．３ｍ１１テ押出被覆した。その後、実
施例については電子線を５Ｍｒａｄ照射した。[Example 1] The ingredients 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. This pellet was put into an extruder, and the cross-sectional area was 0.31112 (7).
The conductor was extruded and coated to a thickness of 0.3 m. Thereafter, in the example, an electron beam of 5 Mrad was irradiated.
（例）３惜体
ｎ−３，Ｘ−９，６
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、ポリブデ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
レンーブテン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。(Example) 3 residues n-3, As is clear from the evaluation results of the ethylene-propylene copolymer, ethylene-propylene-diene terpolymer, and ethylene-butene tables, all of the examples according to the present invention passed the abrasion resistance test, but the comparison The example was a failure.
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］
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難燃剤として臭素化アセナフチレ
ン縮合体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 it is formed by coating the outer periphery of a conductor with a resin composition obtained by incorporating a brominated acenaphthylene condensate as a flame retardant into a polymer represented by the following formula, and crosslinking the resin composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1020482A JPH02201814A (en) | 1989-01-30 | 1989-01-30 | Flame retardant electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1020482A JPH02201814A (en) | 1989-01-30 | 1989-01-30 | Flame retardant electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02201814A true JPH02201814A (en) | 1990-08-10 |
Family
ID=12028347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1020482A Pending JPH02201814A (en) | 1989-01-30 | 1989-01-30 | Flame retardant electric wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02201814A (en) |
-
1989
- 1989-01-30 JP JP1020482A patent/JPH02201814A/en active Pending
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