JPS63289716A - Nonflammable insulated wire - Google Patents
Nonflammable insulated wireInfo
- Publication number
- JPS63289716A JPS63289716A JP12485787A JP12485787A JPS63289716A JP S63289716 A JPS63289716 A JP S63289716A JP 12485787 A JP12485787 A JP 12485787A JP 12485787 A JP12485787 A JP 12485787A JP S63289716 A JPS63289716 A JP S63289716A
- Authority
- JP
- Japan
- Prior art keywords
- component
- weight
- pts
- parts
- halogen
- 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
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 9
- 239000004793 Polystyrene Substances 0.000 claims abstract description 6
- 229920001400 block copolymer Polymers 0.000 claims abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- 229920001195 polyisoprene Polymers 0.000 claims abstract description 5
- 229920002223 polystyrene Polymers 0.000 claims abstract description 5
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 4
- 239000012212 insulator Substances 0.000 claims abstract description 4
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 4
- 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 9
- 239000003063 flame retardant Substances 0.000 claims description 9
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 7
- 150000004692 metal hydroxides Chemical class 0.000 claims description 7
- AFINAILKDBCXMX-PBHICJAKSA-N (2s,3r)-2-amino-3-hydroxy-n-(4-octylphenyl)butanamide Chemical compound CCCCCCCCC1=CC=C(NC(=O)[C@@H](N)[C@@H](C)O)C=C1 AFINAILKDBCXMX-PBHICJAKSA-N 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 10
- 150000002367 halogens Chemical class 0.000 abstract description 10
- 239000002480 mineral oil Substances 0.000 abstract description 3
- 235000010446 mineral oil Nutrition 0.000 abstract description 3
- -1 polyethylene Polymers 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 abstract description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012796 inorganic flame retardant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- LIAWCKFOFPPVGF-UHFFFAOYSA-N 2-ethyladamantane Chemical compound C1C(C2)CC3CC1C(CC)C2C3 LIAWCKFOFPPVGF-UHFFFAOYSA-N 0.000 description 1
- RYUJRXVZSJCHDZ-UHFFFAOYSA-N 8-methylnonyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC(C)C)OC1=CC=CC=C1 RYUJRXVZSJCHDZ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- PIVJNJNFYIELGJ-UHFFFAOYSA-I O.[Mg++].[Al+3].OOC([O-])=O.OOC([O-])=O.OOC([O-])=O.OOC([O-])=O.OOC([O-])=O Chemical compound O.[Mg++].[Al+3].OOC([O-])=O.OOC([O-])=O.OOC([O-])=O.OOC([O-])=O.OOC([O-])=O PIVJNJNFYIELGJ-UHFFFAOYSA-I 0.000 description 1
- 239000004743 Polypropylene 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
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 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
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 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
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000000314 lubricant Substances 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
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005553 polystyrene-acrylate Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- 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、燃焼時にハロゲン系のガスを発生しないゴム
系の絶縁体を有する難燃性絶縁電線に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a flame-retardant insulated wire having a rubber-based insulator that does not generate halogen-based gas during combustion.
［従来の技術］
スチレン系エラストマの一種であるＡ−Ｂ−Ａブロック
コポリマ（Ａはポリスチレン、Ｂはポリイソプレンある
いはポリブタジェンに水素を添加して不飽和部をつぶし
たポリマ）を主体とした組成物を導体外周に被覆してな
る絶縁電線は、これまでのプラスチック被覆絶縁電線の
ように加工性に優れ、架橋しなくともゴム被覆絶縁電線
的性質を示し、しかも電気絶縁性および強靭性に優れて
いるため、脚光をあびている。[Prior Art] A composition based on an A-B-A block copolymer (A is polystyrene, B is a polymer obtained by adding hydrogen to polyisoprene or polybutadiene to crush unsaturated parts), which is a type of styrenic elastomer. The insulated wire made by coating the outer periphery of the conductor has excellent workability like conventional plastic-coated insulated wires, exhibits the properties of rubber-coated insulated wire without crosslinking, and has excellent electrical insulation and toughness. Because of this, it is in the spotlight.
このスチレン系エラストマを主体とする組成物を難燃化
する場合、従来はハロゲン系難燃剤を添加する方法が採
用されているが、これによると、燃焼時に塩化水素等の
ハロゲン系ガスを発生し、機器への腐食性、人体への有
害性が問題となる。特に、最近は安全面からこのような
ハロゲン系ガスを発生しないことが強（要求されるよう
になってきている。When making a composition based on styrene elastomer flame retardant, the conventional method has been to add a halogen flame retardant, but according to this method, halogen gas such as hydrogen chloride is generated during combustion. , corrosiveness to equipment, and toxicity to the human body are problems. In particular, recently there has been a strong demand for safety to prevent the generation of such halogen gases.
この対策として、ハロゲンを含まない無機系難燃剤を用
いることが適切となる。As a countermeasure against this problem, it is appropriate to use an inorganic flame retardant that does not contain halogen.
［発明が解決しようとする問題点］
しかし、無機系難燃剤は難燃効果が小さいため多量に混
和しなければならず、これにより、機械的特性が大きく
低下して実用上問題となる。[Problems to be Solved by the Invention] However, since the inorganic flame retardant has a small flame retardant effect, it must be mixed in a large amount, which significantly reduces the mechanical properties and poses a practical problem.
本発明は、上記に基づいてなされたものであり、優れた
耐熱性、機械的特性および難燃性を有し、しかも有毒な
ハロゲン系カスを発生しない難燃性絶縁電線の提供を目
的とするものである。The present invention has been made based on the above, and aims to provide a flame-retardant insulated wire that has excellent heat resistance, mechanical properties, and flame retardancy, and does not generate toxic halogen scum. It is something.
［問題点を解決するための手段］
本発明の難燃性地縁電線は、Ａ−Ｂ−Ａブロックコポリ
マ（Ａはポリスチレン、Ｂはポリイソプレンあるいはポ
リフタジエンに水素を添加して不飽和部をつぶしたポリ
マ）、（ｂ）ハロゲンを含まないポリオレフィン系ポリ
マおよび軟化剤、（ｃ）金属水酸化物および（ｄ）りん
酸誘導体を含有し、（ａ）成分／（ｂ）成分の含有重量
比は２０〜６０７８０〜４０であり、（ａ）と（ｂ）成
分の合計量１００重量部に対して（ｃ）成分を４０〜１
５０重量部および（ｄ）成分を５重量部以上含有する組
成物よりなる絶縁体を導体外周に設けてなるものである
。[Means for Solving the Problems] The flame-retardant ground wire of the present invention is made of an A-B-A block copolymer (A is polystyrene, B is polyisoprene or polyphtadiene, and hydrogen is added thereto to destroy the unsaturated parts. polymer), (b) a halogen-free polyolefin polymer and a softener, (c) a metal hydroxide, and (d) a phosphoric acid derivative, with a weight ratio of component (a)/component (b) of 20. ~60780~40, and component (c) is 40~1 parts by weight per 100 parts by weight of the total amount of components (a) and (b).
An insulator made of a composition containing 50 parts by weight or more of component (d) and 5 parts by weight or more is provided around the conductor.
本発明において、（ａ）成分のＡ−Ｂ−Ａブロックコポ
リマのＡはポリスチレンブロックであり、Ｂはポリイソ
プレンあるいはポリブタジェンに水素を添加して不飽和
部をつぶしたポリマブロックである。Ａの平均分子量は
ｉ、０００〜２００，０００、好ましくは５，０００〜
１２０，０００であり、Ｂの平均分子量は５．０００〜
５００，０００、好ましくは１０，０００〜３００，０
００である。Ａ／Ｉ３の含有重量比は５〜５５／９５〜
４５、好ましくはｌＯ〜３０／９０〜７０である。In the present invention, A in the A-B-A block copolymer as component (a) is a polystyrene block, and B is a polymer block obtained by adding hydrogen to polyisoprene or polybutadiene to crush unsaturated parts. The average molecular weight of A is i, 000 to 200,000, preferably 5,000 to
120,000, and the average molecular weight of B is 5.000~
500,000, preferably 10,000 to 300,000
It is 00. The content weight ratio of A/I3 is 5-55/95-
45, preferably lO~30/90~70.
（ｂ）成分であるハロゲンを含まないポリオレフィン系
ポリマおよび軟化剤はＡ−Ｂ−Ａブロックコポリマに加
工性を付与するために配合するものである。ポリオレフ
ィン系ポリマとしては、ポリエチレン、ポリプロピレン
、ポリブテン−１、ポリ４−メチルペンテン−１、ポリ
スチレン、ポリメチルメタクリレート等の結晶性ポリオ
レフィンが好ましい。軟化剤としては、鉱物油系、植物
油系、合成油系のいずれでもよいが、鉱物油系の石油系
軟化剤、例えばパラフィン系、ナフテン系、芳香族系が
好ましい。軟化剤は、ポリオレフィン系ポリマ１００重
量部に対して２０重景部以上配合するのが好ましい。Component (b), a halogen-free polyolefin polymer and a softener, are blended to impart processability to the A-B-A block copolymer. As the polyolefin polymer, crystalline polyolefins such as polyethylene, polypropylene, polybutene-1, poly4-methylpentene-1, polystyrene, and polymethyl methacrylate are preferred. The softener may be mineral oil-based, vegetable oil-based, or synthetic oil-based, but mineral oil-based petroleum softeners, such as paraffinic, naphthenic, and aromatic softeners, are preferred. The softener is preferably blended in an amount of 20 parts by weight or more per 100 parts by weight of the polyolefin polymer.
（ｃ）成分の金属水酸化物は、難燃性を付与するために
配合するものであり、水酸化アルミニウム、水酸化マグ
ネシウム、塩基性マグネシウム・アルミニウム・ハイド
ロキシ・カーボネート・ハイドレート等があげられ、こ
れらは単独で使用してもよ（、また２種以上併用しても
よい。金属水酸化物の表面をシランカップリング剤、チ
タネートカップリング剤あるいは脂肪酸金属塩等で処理
したものを使用することにより、押出加工性を向上でき
る。The metal hydroxide of component (c) is blended to impart flame retardancy, and includes aluminum hydroxide, magnesium hydroxide, basic magnesium aluminum hydroxy carbonate hydrate, etc. These may be used alone (or two or more types may be used in combination. Use a metal hydroxide whose surface has been treated with a silane coupling agent, a titanate coupling agent, a fatty acid metal salt, etc.) Therefore, extrusion processability can be improved.
（ｄ）成分のりん酸誘導体は難燃性を付与するために配
合するものであり、具体的にはトリフェニルホスフェー
ト、イソデシル・ジフェニルホスフェート、２−エチル
ヘキンル・ジフェニルホスフェート、クレシル・ジフェ
ニルホスフェート、トリキシレニル・ホスフェート、ｌ
−リトリル・ホスフェート等をあげることができる。り
ん酸誘導体を配合することにより、金属水酸化物の配合
士が少なくとも難燃性を付与できるので、機械的特性の
低下を防止することが可能となる。The phosphoric acid derivative of component (d) is blended to impart flame retardancy, and specifically includes triphenyl phosphate, isodecyl diphenyl phosphate, 2-ethylhequinyl diphenyl phosphate, cresyl diphenyl phosphate, and tricylenyl diphenyl phosphate. phosphate, l
-Lytrile phosphate, etc. can be mentioned. By blending a phosphoric acid derivative, the metal hydroxide compounder can impart at least flame retardancy, making it possible to prevent deterioration of mechanical properties.
（ａ）成分／（ｂ）成分の含有重量比は２０〜６０／８
０〜４０とする必要があり、（ｂ）成分の量が多すぎる
と（２１）成分本来の有する耐熱性および機械的特性が
損なわれ、少なすぎると加工性が低下して押出成形が不
可能となる。The weight ratio of component (a)/component (b) is 20 to 60/8
If the amount of component (b) is too large, the heat resistance and mechanical properties inherent to component (21) will be impaired, and if it is too small, processability will decrease and extrusion molding will be impossible. becomes.
（ｃ）成分は、（ａ）成分と（ｂ）成分の合計全１００
重量部に対して４０〜・１５０重量部の範囲で配合する
必要があり、４０重量部未満では十分な難燃性を付与で
きず、１５０重量部を越えると押出加工性および機械的
特性が低下する。(c) component is the total of (a) component and (b) component, total 100
It is necessary to blend in a range of 40 to 150 parts by weight; if it is less than 40 parts by weight, sufficient flame retardance cannot be imparted, and if it exceeds 150 parts by weight, extrusion processability and mechanical properties deteriorate. do.
（ｄ）成分は、（ａ）成分と（ｂ）成分の合計量１００
重世部に対して５重量部以上配合する必要があり、これ
以下では十分な難燃性を付与できない。(d) component is the total amount of component (a) and component (b) 100
It is necessary to mix 5 parts by weight or more with respect to the heavy weight part, and if it is less than this, sufficient flame retardance cannot be imparted.
本発明においては、上記成分以外に適宜、充填剤、滑剤
、酸化防止剤、金属害劣化防止剤、着色剤、架橋剤等を
配合してもよい。充填剤としては、カーボンブラック、
炭酸カルシウム、けい酸マグネシウム、けい酸アルミニ
ウム等があげられる。In the present invention, fillers, lubricants, antioxidants, metal damage/deterioration inhibitors, colorants, crosslinking agents, etc. may be added as appropriate in addition to the above-mentioned components. As a filler, carbon black,
Examples include calcium carbonate, magnesium silicate, and aluminum silicate.
［発明の実施例］
第１表の各側に示すような配合成分を押出機に導入して
約２００℃の温度で混練し、断面積２ｍｍ２の銅線外周
に厚さ１．２ｍｍに押出被覆して絶縁電線を製債した。[Embodiments of the Invention] The ingredients shown on each side of Table 1 were introduced into an extruder and kneaded at a temperature of about 200°C, and the outer periphery of a copper wire with a cross-sectional area of 2 mm2 was coated by extrusion to a thickness of 1.2 mm. Insulated wire was bonded.
各側の絶縁電線についての評価結果を第１表の下欄に示
す。なお、引張り特性はＪＩＳＣ３００５、難燃性はＵ
Ｌ規格ＶＷ−１、腐食性は、Ａ Ｓ ｉ” Ｍ Ｄ ２
６７０ （銅鏡試験）にそれぞれ基づいて評価した。The evaluation results for the insulated wires on each side are shown in the lower column of Table 1. In addition, the tensile properties are JISC3005, and the flame retardance is U.
L standard VW-1, corrosiveness is A Si” M D 2
670 (copper mirror test).
本発明の範囲にある実施例１〜４では良好な引張り特性
、難燃性を有し、腐食性もない。比較例１はハロゲン系
難燃剤を用いた場合であり、腐食性に問題がある。比較
例２は金属水酸化物の配合量が本発明の規定値を越える
場合であり、引張り特性の低下が著しい。比較例３はり
ん酸誘導体の配合量が本発明の規定値に満たない場合、
比較例４は金属水酸化物の配合量が本発明の規定値に満
たない場合であり、双方とも難燃性が不十分である。Examples 1 to 4 within the scope of the present invention have good tensile properties, flame retardancy, and are not corrosive. Comparative Example 1 uses a halogen flame retardant and has a problem with corrosivity. Comparative Example 2 is a case where the amount of metal hydroxide blended exceeds the specified value of the present invention, and the tensile properties are significantly deteriorated. In Comparative Example 3, when the amount of the phosphoric acid derivative is less than the specified value of the present invention,
Comparative Example 4 is a case where the amount of metal hydroxide blended is less than the prescribed value of the present invention, and both have insufficient flame retardancy.
［発明の効果］
以上説明してきた通り、本発明によれば、優れた機械的
特性および難燃性を有し、しかも燃焼時に有毒なハロゲ
ン系ガスを発生しない難燃性絶縁電線を得ることができ
るようになる。[Effects of the Invention] As explained above, according to the present invention, it is possible to obtain a flame-retardant insulated wire that has excellent mechanical properties and flame retardancy, and does not generate toxic halogen gas when burned. become able to.
Claims (1)
チレン、Ｂはポリイソプレンあるいはポリブタジエンに
水素を添加して不飽和部をつぶしたポリマ）、（ｂ）ハ
ロゲンを含まないポリオレフィン系ポリマおよび軟化剤
、（ｃ）金属水酸化物および（ｄ）りん酸誘導体を含有
し、（ａ）成分／（ｂ）成分の含有重量比は２０〜６０
／８０〜４０であり、（ａ）と（ｂ）成分の合計量１０
０重量部に対して（ｃ）成分を４０〜１５０重量部およ
び（ｄ）成分を５重量部以上含有する組成物よりなる絶
縁体が導体外周に設けられていることを特徴とする難燃
性絶縁電線。(1) (a) A-B-A block copolymer (A is polystyrene, B is a polymer obtained by adding hydrogen to polyisoprene or polybutadiene to crush the unsaturated parts), (b) a halogen-free polyolefin polymer, and Contains a softener, (c) a metal hydroxide, and (d) a phosphoric acid derivative, and the weight ratio of component (a)/component (b) is 20 to 60.
/80 to 40, and the total amount of components (a) and (b) is 10
Flame retardant, characterized in that an insulator made of a composition containing 40 to 150 parts by weight of component (c) and 5 parts by weight or more of component (d) with respect to 0 parts by weight is provided on the outer periphery of the conductor. Insulated wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12485787A JPS63289716A (en) | 1987-05-21 | 1987-05-21 | Nonflammable insulated wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12485787A JPS63289716A (en) | 1987-05-21 | 1987-05-21 | Nonflammable insulated wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63289716A true JPS63289716A (en) | 1988-11-28 |
Family
ID=14895814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12485787A Pending JPS63289716A (en) | 1987-05-21 | 1987-05-21 | Nonflammable insulated wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63289716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145633A (en) * | 1988-11-25 | 1990-06-05 | Nippon Unicar Co Ltd | Flame retardant polyolefin-based resin composition |
| JP2001200106A (en) * | 1999-03-02 | 2001-07-24 | Jsr Corp | Flame-retarded polymer composition |
-
1987
- 1987-05-21 JP JP12485787A patent/JPS63289716A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145633A (en) * | 1988-11-25 | 1990-06-05 | Nippon Unicar Co Ltd | Flame retardant polyolefin-based resin composition |
| JP2001200106A (en) * | 1999-03-02 | 2001-07-24 | Jsr Corp | Flame-retarded polymer composition |
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