JPH0337909A - Incombustible coated electric wire/cable - Google Patents
Incombustible coated electric wire/cableInfo
- Publication number
- JPH0337909A JPH0337909A JP1170518A JP17051889A JPH0337909A JP H0337909 A JPH0337909 A JP H0337909A JP 1170518 A JP1170518 A JP 1170518A JP 17051889 A JP17051889 A JP 17051889A JP H0337909 A JPH0337909 A JP H0337909A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- pts
- system compound
- parts
- polyolefin
- 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.)
- Granted
Links
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 13
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000011787 zinc oxide Substances 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 8
- 239000011593 sulfur Substances 0.000 claims abstract description 8
- 238000004132 cross linking Methods 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- -1 hydroxybenzoyl isocyanurate compounds Chemical class 0.000 claims description 15
- 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 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 150000002148 esters Chemical class 0.000 abstract 3
- 230000032683 aging Effects 0.000 description 11
- 229910052736 halogen Inorganic materials 0.000 description 10
- 150000002367 halogens Chemical class 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- VSVVZZQIUJXYQA-UHFFFAOYSA-N [3-(3-dodecylsulfanylpropanoyloxy)-2,2-bis(3-dodecylsulfanylpropanoyloxymethyl)propyl] 3-dodecylsulfanylpropanoate Chemical compound CCCCCCCCCCCCSCCC(=O)OCC(COC(=O)CCSCCCCCCCCCCCC)(COC(=O)CCSCCCCCCCCCCCC)COC(=O)CCSCCCCCCCCCCCC VSVVZZQIUJXYQA-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、燃焼時に有毒なハロゲン系ガスを発生せず、
しかも耐熱老化性に優れた難燃性電線・ケーブルに間す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention does not generate toxic halogen gas during combustion,
Moreover, it is used for flame-retardant wires and cables with excellent heat aging resistance.
［従来の技術］
電気絶縁性に優れているところから多用されているポリ
オレフィンをはじめ、従来＠線・ケーブルの絶縁体やシ
ースとして使用されてきた材料は、いずれも可燃性のも
のであり、火災が発生した場合には、を線・ケーブルの
配線系を伝わって火災が拡大する例が多く、難燃性のｔ
線・ケーブルへの要請が高まっている。とくに、最近の
すう勢としてＩＥＥＥ（米国電気電子技術者協会）規格
３８３のＶＴＦＴ （垂直トレイ燃焼紙＠）に規定され
ている実際の布設状況を模擬した多条布設の燃焼試験に
合格することを条件とする高度の難燃性が要望されるよ
うになってきた。[Conventional technology] Materials traditionally used as insulators and sheaths for wires and cables, including polyolefin, which is widely used due to its excellent electrical insulation properties, are all flammable and can cause fires. When a fire occurs, there are many cases where the fire spreads through the wiring system of wires and cables.
Demand for wires and cables is increasing. In particular, as a recent trend, it is necessary to pass a multi-strip combustion test that simulates actual installation conditions as stipulated in IEEE (Institute of Electrical and Electronics Engineers) Standard 383 VTFT (Vertical Tray Burning Paper@). There is a growing demand for a high degree of flame retardancy.
従来の難燃性′＠線・ケーブルの絶縁材料としては、ポ
リエチレンやエチレンプロピレンゴムにハロゲン含有化
合物を混和する方法や塩素化ポリエチレンやポリ塩化ビ
ニルに代表されるハロゲン元素を含有するポリマがこれ
まで一般的に使用されてきた。Conventional insulating materials for flame retardant wires and cables include methods of mixing halogen-containing compounds with polyethylene or ethylene propylene rubber, and polymers containing halogen elements such as chlorinated polyethylene and polyvinyl chloride. has been commonly used.
しかし、上記ハロゲン元素を含有する難燃性電気絶縁組
成物は、火災時に不燃性のハロゲン系ガス等を多量に発
生させ、それにより電線・ケーブルの周囲における酸素
を遮断し燃焼を防止しようとするものであり、十分な難
燃特性を発揮するものの、その折発生するハロゲン系ガ
ス等は例えば塩化水素のように有毒なものが多く、この
ような有毒ガスを含んだ煙を多量に発生させるため見通
しが悪くなり、火災発生の際の避難行動や消火活動を妨
げ、あるいは前記有毒ガスが人体に悪影響を与えるなど
して二次災害のおそれもある。However, flame-retardant electrical insulation compositions containing halogen elements generate a large amount of nonflammable halogen-based gas in the event of a fire, thereby blocking oxygen around electric wires and cables and attempting to prevent combustion. Although it exhibits sufficient flame retardant properties, many of the halogen gases generated are toxic, such as hydrogen chloride, and large amounts of smoke containing such toxic gases are generated. The visibility becomes poor, which may impede evacuation and firefighting efforts in the event of a fire, or the toxic gas may adversely affect the human body, leading to a risk of secondary disasters.
そこで、上記ハロゲン系化合物に代えて、ポリオレフィ
ンに水酸化アルミニウムや水酸化マグネシウム等の金属
水酸化物を難燃剤として混和し、上記火災時の安全性を
重視したノンハロゲン難燃性電気絶縁組成物が提案され
、注目を集めている。Therefore, instead of the halogen-based compounds mentioned above, a metal hydroxide such as aluminum hydroxide or magnesium hydroxide is mixed with polyolefin as a flame retardant to create the above-mentioned non-halogen flame-retardant electrical insulation composition with an emphasis on safety in the event of a fire. It has been proposed and is attracting attention.
［発明が解決しようとする課題］
上記金属水酸化物を混和した難燃性組成物は、火災時に
当該水酸化物が結晶水を放出する際の吸熱作用を難燃効
果として利用するものであり、発煙性や毒性あるいは腐
食性は極めて少ない。[Problems to be Solved by the Invention] The above-mentioned flame-retardant composition containing the metal hydroxide utilizes the endothermic action of the hydroxide when it releases water of crystallization in the event of a fire as a flame-retardant effect. , has very little fuming, toxicity or corrosiveness.
しかしながら、上記難燃剤は難燃効果が小さいため、単
にポリマーに混和しただけでは燃焼時に溶融滴下するド
リップ現象がみられ、高度の難燃性を付与することは難
しい。However, since the flame retardant described above has a small flame retardant effect, simply mixing it with a polymer causes a drip phenomenon in which it melts and drips during combustion, making it difficult to impart a high degree of flame retardancy.
高度の難燃性を付与するためには金属水酸化物を多量に
加えることが必要であり、その結果として、耐熱老化性
の著しい低下を招くという問題があった。In order to impart a high degree of flame retardancy, it is necessary to add a large amount of metal hydroxide, and as a result, there has been a problem in that heat aging resistance is significantly reduced.
本発明の目的は、上記したような従来技術の問題点を解
消し、有毒なハロゲン系ガスを発生させることなく高度
の難燃性を発揮させると共に、耐熱老化性を大巾に向上
改善し得る難燃性電線・ケーブルを提供しようとするも
のである。The purpose of the present invention is to solve the problems of the prior art as described above, to exhibit a high degree of flame retardancy without generating toxic halogen gases, and to significantly improve heat aging resistance. The aim is to provide flame-retardant wires and cables.
［課題を解決するための手段］
本発明は、ポリオレフィン１００重量部に対し、金属水
酸化物５０〜２００重量部、酸化亜鉛０．５重量部以上
、さらにヒドロキシベンゾイルイソシアヌレート系化合
物１〜１０重量部および含硫黄エステル系化合物１〜Ｉ
Ｏ重量部含有してなる組成物を被覆し架橋せしめてなる
ものである。[Means for Solving the Problems] The present invention provides 50 to 200 parts by weight of a metal hydroxide, 0.5 parts by weight or more of zinc oxide, and 1 to 10 parts by weight of a hydroxybenzoyl isocyanurate compound to 100 parts by weight of a polyolefin. Part and sulfur-containing ester compounds 1 to I
It is obtained by coating and crosslinking a composition containing part by weight of O.
本発明における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エンターボリ
マー、ポリエチレン、エチレン酢酸ビニルコポリマー、
エチレンエチルアクリレートコポリマー、エチレンブテ
ンコポリマーといったものが挙げられ、これらは単独ま
たは２種以上を併ｍして使用される。Examples of the polyolefin in the present invention include ethylene propylene copolymer, ethylene propylene diene polymer, polyethylene, ethylene vinyl acetate copolymer,
Examples include ethylene ethyl acrylate copolymer and ethylene butene copolymer, which may be used alone or in combination of two or more.
金属水酸化物としては水酸化アルミニウム、水酸化マグ
ネシウム、水酸化カルシウム類が挙げられ、これらは脂
肪酸、脂肪酸金属塩、シランカツプリング剤、チタネー
トカップリング剤等で表面処理したものを使用すること
が望ましいう金属水酸化物はポリオレフィン１００重量
部に対して５０〜２００重量部の範囲で含有させる必要
があり、５０ｆｆｌ量部未満では目的とする難燃性を付
与できず、２００重量部を越えると耐熱老化性が著しく
低下するう
本発明は、このような系に酸化亜鉛を添加し、さらにヒ
ドロキシベンゾイルイソシアヌレート系化合物および含
硫黄エステＩし系化合物を添加すると、耐熱老化性が著
しく向上することを見出したものである。Examples of metal hydroxides include aluminum hydroxide, magnesium hydroxide, and calcium hydroxide, and these may be surface-treated with fatty acids, fatty acid metal salts, silane coupling agents, titanate coupling agents, etc. Desirable metal hydroxide must be contained in a range of 50 to 200 parts by weight per 100 parts by weight of polyolefin; if it is less than 50 parts by weight, the desired flame retardancy cannot be imparted, and if it exceeds 200 parts by weight, The heat aging resistance is significantly reduced.The present invention shows that when zinc oxide is added to such a system, and a hydroxybenzoyl isocyanurate compound and a sulfur-containing ester compound are further added, the heat aging resistance is significantly improved. This is what we discovered.
酸化亜鉛は０．５重量部以上添加する必要があり、０．
５重量部未満では目的とする耐熱老化性を付与できない
。Zinc oxide must be added in an amount of 0.5 parts by weight or more, and 0.5 parts by weight or more must be added.
If it is less than 5 parts by weight, the desired heat aging resistance cannot be imparted.
ヒドロキシベンゾイルイソシアヌレート系化合物として
は、１．３．５−トリス（３−５−ジ−ｔ−ブチル−４
−ヒドロキシベンゾイル）イソシアヌレートが挙げられ
、また含硫黄エステル系化合物としてはジ−ラウリル−
チオ−ジ−プロピオネート、ジ−ステアリル−チオ−ジ
−プロピオネート、ジ−ミリスチル−チオ−ジ−プロピ
オネート、ペンタエリスリトール−テトラキス−（３−
ラウリル−チオ−プロピオネート）等が挙げられる。こ
れらはポリオレフィン１００重量部に対し１〜１０重量
部の範囲で添加する必要があり、１重１部未満では目的
とする耐熱老化性を付与できず、また１０重量部を越え
ると架橋阻害が大きくなり十分な物性を得ることが難し
くなる。As the hydroxybenzoyl isocyanurate compound, 1.3.5-tris(3-5-di-t-butyl-4
-hydroxybenzoyl) isocyanurate, and examples of sulfur-containing ester compounds include di-lauryl-
Thio-di-propionate, di-stearyl-thio-di-propionate, di-myristyl-thio-di-propionate, pentaerythritol-tetrakis-(3-
lauryl-thio-propionate) and the like. These must be added in an amount of 1 to 10 parts by weight per 100 parts by weight of the polyolefin; if it is less than 1 part by weight, the desired heat aging resistance cannot be imparted, and if it exceeds 10 parts by weight, crosslinking will be inhibited significantly. This makes it difficult to obtain sufficient physical properties.
本発明では上記成分を有機過酸化物、電子線照射等によ
り架橋させる必要があるが、この目的は高温での熱変形
を防止することにある。In the present invention, it is necessary to crosslink the above components using an organic peroxide, electron beam irradiation, etc., and the purpose of this is to prevent thermal deformation at high temperatures.
［実施例１ 以下に、本発明について実施例を参照し説明する。[Example 1 The present invention will be described below with reference to Examples.
第１表に示す実施例１〜６および比較例１〜４のような
配合割合となるように各種成分を配合し、１２０℃に保
持した６インチロールに投入してロール混練を行ない、
混練後１２０℃に保持した８０ｍ／ｍ押出機（Ｌ／Ｄ＝
２５＋を用い、外径１．８ｆｌの銅導体上に厚さ２０μ
ｍの紙チー１を１７２ラツプで巻き、その上に厚さ１．
２閣に押出被覆した。その後１５ｋｇ／−の水蒸気雰囲
気中に３分間保持して化学架橋を行なった。Various ingredients were blended so as to have the blending ratios as in Examples 1 to 6 and Comparative Examples 1 to 4 shown in Table 1, and the mixture was put into a 6-inch roll kept at 120°C and kneaded by roll.
After kneading, an 80 m/m extruder (L/D=
25+, with a thickness of 20 μ on a copper conductor with an outer diameter of 1.8 fl.
Wrap 172 wraps of 1.m paper, and wrap 1.m thick paper on top.
Two parts were extrusion coated. Thereafter, it was kept in a steam atmosphere of 15 kg/- for 3 minutes to perform chemical crosslinking.
それぞれの組成物及び電線についての評価結果は表の下
欄に示す通りである。なお、評価は次に基いて行なった
。The evaluation results for each composition and wire are shown in the lower column of the table. The evaluation was based on the following.
引ｖｉ特性： 絶縁線心を引き抜きショッパ型引張試験
機により引張速度５００ｍ＋／
分で測定した。Tensile Vi properties: The insulated wire core was pulled out and measured using a Schopper type tensile tester at a tensile speed of 500 m+/min.
耐熱老化性： 絶ａ線心を引き抜きＵＬ規格ｓｕｂ、
７５８に準拠し１５８℃、７日加熱後、２２℃で２４時
間放置し引
ｇ試験を行なった。Heat aging resistance: UL standard sub by pulling out the a-wire core,
After heating at 158° C. for 7 days, the sample was left at 22° C. for 24 hours and subjected to a tensile g test in accordance with 758.
難 燃 性：ＪＩＳＣ３００５に準じ、水平試験を行な
い６０秒以内で消炎するもの
を合格、６０秒を越えるものを不合
格とした。Flame retardancy: A horizontal test was conducted in accordance with JISC3005, and those that extinguished the flame within 60 seconds were judged to pass, and those that extinguished for more than 60 seconds were judged to be failed.
第１表からも明らかな通り、本発明に係る実施例１〜６
は金属水酸化物を本発明が規定する範囲で含有し、さら
に酸化亜鉛ならびにヒドロキシベンゾイルイソシアヌレ
ート系化合物および含硫黄エステル系化合物を本発明が
規定する適当範囲で含有するが故に、引張特性、耐熱老
化性、難燃性のいずれにおいても良好な結果を示してい
る。As is clear from Table 1, Examples 1 to 6 according to the present invention
contains metal hydroxide within the range specified by the present invention, and further contains zinc oxide, hydroxybenzoyl isocyanurate compounds, and sulfur-containing ester compounds within the appropriate range specified by the present invention, and therefore has good tensile properties and heat resistance. It shows good results in both aging resistance and flame retardancy.
これに対し、比較例１は金属水酸化物の混和量が本発明
の規定値未満であり、難燃性が不合格となっている。金
属水酸化物の添加量が規定値を越える比較例２および酸
化亜鉛およびヒドロキシベンゾイルイソシアヌレート系
化合物が無添加の比較例３あるいはヒドロキシベンゾイ
ルイソシアヌレート系化合物が無添加の比較例４は耐熱
老化性が著しく劣ることがわかる。On the other hand, in Comparative Example 1, the amount of metal hydroxide mixed was less than the specified value of the present invention, and the flame retardance was rejected. Comparative Example 2 in which the amount of metal hydroxide added exceeds the specified value, Comparative Example 3 in which zinc oxide and hydroxybenzoyl isocyanurate-based compounds are not added, or Comparative Example 4 in which hydroxybenzoyl isocyanurate-based compounds are not added have poor heat aging resistance. is found to be significantly inferior.
［発明の効果１
以上説明してきた通り、本発明によれば、耐熱老化性お
よび難燃性に優れ、しかも燃焼時に有毒なハロゲシ系ガ
スを発生しない難燃性電線・ケーブルを得ることができ
るものであり、それによって従来の隘鍔を開き得ること
となる意義は大きい。[Effect of the invention 1 As explained above, according to the present invention, it is possible to obtain flame-retardant electric wires and cables that have excellent heat aging resistance and flame retardancy, and do not generate toxic halogen gas when burned. This is of great significance as it opens up the traditional bottlenecks.
Claims (1)
物５０〜２００重量部、酸化亜鉛 ０．５重量部以上、さらにヒドロキシベンゾイルイソシ
アヌレート系化合物１〜１０重量部および含硫黄エステ
ル系化合物１〜１０重量部含有してなる組成物を被覆し
架橋せしめてなる難燃性電線・ケーブル。(1) For 100 parts by weight of polyolefin, 50 to 200 parts by weight of metal hydroxide, 0.5 parts by weight or more of zinc oxide, and 1 to 10 parts by weight of hydroxybenzoyl isocyanurate compounds and 1 to 10 parts by weight of sulfur-containing ester compounds. A flame-retardant electric wire/cable obtained by coating and crosslinking a composition containing part by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1170518A JPH0754645B2 (en) | 1989-06-30 | 1989-06-30 | Flame-retardant wire / cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1170518A JPH0754645B2 (en) | 1989-06-30 | 1989-06-30 | Flame-retardant wire / cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0337909A true JPH0337909A (en) | 1991-02-19 |
| JPH0754645B2 JPH0754645B2 (en) | 1995-06-07 |
Family
ID=15906426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1170518A Expired - Lifetime JPH0754645B2 (en) | 1989-06-30 | 1989-06-30 | Flame-retardant wire / cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754645B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003113276A (en) * | 2001-10-02 | 2003-04-18 | Hitachi Cable Ltd | Halogen-free flame retardant resin composition and electric wire/cable using the same |
| JP2007207642A (en) * | 2006-02-03 | 2007-08-16 | Sumitomo Electric Ind Ltd | Non-halogen-based insulation wire |
| JP4750794B2 (en) * | 2004-08-23 | 2011-08-17 | トゥミ，インコーポレイティド | Extendable luggage |
-
1989
- 1989-06-30 JP JP1170518A patent/JPH0754645B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003113276A (en) * | 2001-10-02 | 2003-04-18 | Hitachi Cable Ltd | Halogen-free flame retardant resin composition and electric wire/cable using the same |
| JP4750794B2 (en) * | 2004-08-23 | 2011-08-17 | トゥミ，インコーポレイティド | Extendable luggage |
| JP2007207642A (en) * | 2006-02-03 | 2007-08-16 | Sumitomo Electric Ind Ltd | Non-halogen-based insulation wire |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754645B2 (en) | 1995-06-07 |
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