JPH02284305A - Insulated wire coated with fluorine-containing elastomer - Google Patents
Insulated wire coated with fluorine-containing elastomerInfo
- Publication number
- JPH02284305A JPH02284305A JP10553589A JP10553589A JPH02284305A JP H02284305 A JPH02284305 A JP H02284305A JP 10553589 A JP10553589 A JP 10553589A JP 10553589 A JP10553589 A JP 10553589A JP H02284305 A JPH02284305 A JP H02284305A
- Authority
- JP
- Japan
- Prior art keywords
- tetrafluoroethylene
- coating layer
- weight
- cross
- average molecular
- 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
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims description 5
- 229920001971 elastomer Polymers 0.000 title claims description 5
- 239000000806 elastomer Substances 0.000 title claims description 5
- 229910052731 fluorine Inorganic materials 0.000 title claims description 5
- 239000011737 fluorine Substances 0.000 title claims description 5
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 claims abstract description 11
- 239000011247 coating layer Substances 0.000 claims abstract description 10
- 229920001577 copolymer Polymers 0.000 claims abstract description 10
- 230000005865 ionizing radiation Effects 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 abstract description 13
- 150000003923 2,5-pyrrolediones Chemical class 0.000 abstract description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005062 Polybutadiene Substances 0.000 abstract description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 2
- 150000001412 amines Chemical class 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 abstract description 2
- 229920002857 polybutadiene Polymers 0.000 abstract description 2
- 239000011593 sulfur Substances 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 2
- -1 isobutyne Chemical compound 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- DNJRKFKAFWSXSE-UHFFFAOYSA-N 1-chloro-2-ethenoxyethane Chemical compound ClCCOC=C DNJRKFKAFWSXSE-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JJRUAPNVLBABCN-UHFFFAOYSA-N 2-(ethenoxymethyl)oxirane Chemical compound C=COCC1CO1 JJRUAPNVLBABCN-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-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
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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］
本発明は優れた機械的強度を有する絶縁層からなる含ふ
っ素エラストマ被覆絶縁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 fluorine-containing elastomer-coated insulated wire comprising an insulating layer having excellent mechanical strength.
テトラフルオロエチレン−プロピレン系共重合体は耐熱
性、耐油性、耐薬品性に優れている上に、電気絶縁性お
よび可撓性に優れており、電気絶縁被覆への適用が大き
く期待される材料である。Tetrafluoroethylene-propylene copolymer has excellent heat resistance, oil resistance, and chemical resistance, as well as excellent electrical insulation and flexibility, making it a material that is highly expected to be applied to electrical insulation coatings. It is.
この共重合体の架橋は、通常、化学架橋剤を添加し、所
定形状に成形後、加熱雰囲気下に保持することにより行
われているが、架橋時間が比較的長いことから製造能率
の点で問題がある。Cross-linking of this copolymer is usually carried out by adding a chemical cross-linking agent, molding it into a predetermined shape, and then holding it in a heated atmosphere, but since the cross-linking time is relatively long, it is difficult to manufacture in terms of production efficiency. There's a problem.
このため、電子線等の電離性放射線を照射することによ
り架橋することが検討されている。For this reason, crosslinking by irradiation with ionizing radiation such as electron beams is being considered.
［発明が解決しようとする課題］
しかし、電離性放射線の照射によって得られる被覆層は
引張強度などの機械的特性が十分でないという問題があ
る。[Problems to be Solved by the Invention] However, there is a problem in that the coating layer obtained by irradiation with ionizing radiation does not have sufficient mechanical properties such as tensile strength.
本発明は、被覆層の機械的強度を大幅に改善できる含ふ
っ素エラストマ被覆絶縁電線の提供を目的とするもので
ある。An object of the present invention is to provide a fluorine-containing elastomer-coated insulated wire that can significantly improve the mechanical strength of the coating layer.
［課題を解決するための手段及び作用］本発明の含ふっ
素エラストマ被覆絶縁電線は、数平均分子量が３万〜６
万のテトラフルオロエチレン−プロピレン系共重合体、
エチレン−テトラフルオロエチレン−フルオロオレフィ
ン共重合体および数平均分子量が９万以上のテトラフル
オロエチレン−プロピレン系共重合体を含有する樹脂分
１００ｍ’！部に対して、架橋助剤を０．５重量部以上
添加した組成物により被覆層を形成し、この被覆層を電
離性放射線の照射により架橋して構成したものである。[Means and effects for solving the problems] The fluorine-containing elastomer-coated insulated wire of the present invention has a number average molecular weight of 30,000 to 6.
Ten thousand tetrafluoroethylene-propylene copolymers,
Resin content 100m' containing an ethylene-tetrafluoroethylene-fluoroolefin copolymer and a tetrafluoroethylene-propylene copolymer with a number average molecular weight of 90,000 or more! A coating layer is formed from a composition to which 0.5 parts by weight or more of a crosslinking aid is added based on the weight of the composition, and this coating layer is crosslinked by irradiation with ionizing radiation.
本発明において、テトラフルオロエチレン−プロピレン
系共重合体としては、主成分のテトラフルオロエチレン
とプロピレンに加えて、これらと共重合可能な成分、例
えば、エチレン、ブテン−１、イソブチン、アクリル酸
およびそのアルキルエステル、メタクリル酸およびその
アルキルエステル、ふり化ビニル、ふり化ビニリデン、
ヘキサフルオロプロペン、クロロエチルビニルエーテル
。In the present invention, the tetrafluoroethylene-propylene copolymer includes, in addition to the main components tetrafluoroethylene and propylene, components copolymerizable with these, such as ethylene, butene-1, isobutyne, acrylic acid, and Alkyl ester, methacrylic acid and its alkyl ester, vinyl fluoride, vinylidene fluoride,
Hexafluoropropene, chloroethyl vinyl ether.
グリシジルビニルエーテル、クロロトリフルオロエチレ
ン、パーフルオロアルキビニルエーテル等を適宜含有せ
しめたものでもよい。It may also contain glycidyl vinyl ether, chlorotrifluoroethylene, perfluoroalkyvinyl ether, etc. as appropriate.
数平均分子量が３万〜６万および９万以上のテトラフル
オロニレチン−プロピレン系共重合体は、耐熱性、成形
性等の面からテトラフルオロエチレン／プロピレンの含
有モル比が９５１５〜３０／７０の範囲から選定するの
が好ましく、特に好ましくは９０／１０〜４５１５５で
ある。また、適宜加えられる主成分以外の成分の含有量
としては５０モル％以下、特に３０モル％以下の範囲か
ら選定することが望ましい。Tetrafluoronyretin-propylene copolymers with a number average molecular weight of 30,000 to 60,000 and 90,000 or more have a tetrafluoroethylene/propylene molar ratio of 9,515 to 30/70 in terms of heat resistance, moldability, etc. It is preferable to select from the range of 90/10 to 45155, particularly preferably. Further, the content of components other than the main component, which may be added as appropriate, is desirably selected from a range of 50 mol% or less, particularly 30 mol% or less.
本発明において、エチレン−テトラフルオロエチレン−
フルオロオレフィン共重合体におけるフルオロオレフィ
ンとしては、クロロトリフルオロエチレン、ぶつ化ビニ
リデン、トリフルオロエチレン、１．１−ジヒドロパー
フルオロプロペン−１，１，１−ジヒドロパーフルオロ
ブテン−１，１，１，５−）リヒドロパーフルオロベン
テン−１，１，１，７−）リヒドロパーフルオロベンテ
ン−１，１，１，２−）リヒドロパーフルオロヘキセン
−１１，１，１，２−トリヒドロパーフルオロオクテン
−１、パーフルオロ（メチルビニルエーテル）、パーフ
ルオロ（エチルビニルエーテル）、ヘキサフルオロプロ
ペン、パーフルオロブテン−１，３，３，３−）リフル
オロ−２−トリフルオロメチルプロペン−１等があげら
れる。これらのエチレン−テトラフルオロエチレン−フ
ルオロオレフィン共重合体において、エチレン／テトラ
フルオロエチレン／フルオロオレフィンの含有モル比は
１０〜４０／９０〜６０１０．１〜２０の範囲から選定
することが好ましい。In the present invention, ethylene-tetrafluoroethylene-
Examples of the fluoroolefins in the fluoroolefin copolymer include chlorotrifluoroethylene, vinylidene butylene, trifluoroethylene, 1,1-dihydroperfluoropropene-1,1,1-dihydroperfluorobutene-1,1,1, 5-) Lihydroperfluorobentene-1,1,1,7-) Lihydroperfluorobentene-1,1,1,2-) Lihydroperfluorohexene-11,1,1,2-trihydroper Fluorooctene-1, perfluoro(methyl vinyl ether), perfluoro(ethyl vinyl ether), hexafluoropropene, perfluorobutene-1,3,3,3-)lifluoro-2-trifluoromethylpropene-1, etc. . In these ethylene-tetrafluoroethylene-fluoroolefin copolymers, the molar ratio of ethylene/tetrafluoroethylene/fluoroolefin is preferably selected from the range of 10-40/90-6010.1-20.
数平均分子量が３万〜６万のテトラフルオロエチレン−
プロピレン系共重合体（Ａ）、エチレン−テトラフルオ
ロオレフィン共重合体（Ｂ）及び数平均分子量が９万以
上のテトラフルオロエチレン−プロピレン系共重合体（
Ｃ）の含有割合は、ｆｆｉ量比でＡ＋Ｂ／Ｃが９５〜５
０１５〜５０の範囲から選定するのが好ましい。Tetrafluoroethylene with a number average molecular weight of 30,000 to 60,000
Propylene copolymer (A), ethylene-tetrafluoroolefin copolymer (B), and tetrafluoroethylene-propylene copolymer having a number average molecular weight of 90,000 or more (
The content ratio of C) is A+B/C in terms of ffi amount ratio of 95 to 5.
It is preferable to select from the range of 015-50.
数平均分子量が９万以上のテトラフルオロエチレン−プ
ロピレン系共重合体が少なすぎると機械的特性が改善さ
れず、多すぎると組成物の粘度が高くなって押出成形が
困難になる。If the amount of the tetrafluoroethylene-propylene copolymer having a number average molecular weight of 90,000 or more is too small, the mechanical properties will not be improved, and if it is too large, the viscosity of the composition will become high, making extrusion molding difficult.
本発明においては架橋反応性を高めるために架橋助剤を
添加、しており、架橋助剤としては、アリル型化合物、
硫黄、有機アミン類、マレイミド類、メタクリレート類
、ジビニル化合物、ポリブタジェン等があげられるが、
トリアリルイソシアヌレート、トリアルシアヌレートに
代表されるアリル型化合物が特に好ましい。架橋助剤の
添加量は、樹脂分１００重量部に対して０．５重量部以
上とする必要があり、０．５重量部未満では十分な架橋
度を達成することができない。特に好ましくは１〜２０
重量部であり、２０重量部で架橋助剤添加による効果は
飽和する。In the present invention, a crosslinking aid is added to increase crosslinking reactivity, and examples of the crosslinking aid include allyl type compounds,
Examples include sulfur, organic amines, maleimides, methacrylates, divinyl compounds, polybutadiene, etc.
Particularly preferred are allyl type compounds represented by triallyl isocyanurate and trialcyanurate. The amount of the crosslinking aid added must be 0.5 parts by weight or more per 100 parts by weight of the resin, and if it is less than 0.5 parts by weight, a sufficient degree of crosslinking cannot be achieved. Particularly preferably 1 to 20
The effect of adding the crosslinking aid is saturated at 20 parts by weight.
本発明においては、上記成分以外に適宜、安定剤、充填
剤、着色剤、酸化防止剤、滑剤等を配合してもよい。安
定剤としては酸化鉛、酸化カルシウム、酸化マグネシウ
ム、酸化アルミニウム、酸化チタン、酸化アンチモン、
五酸化リン等があげられ、充填剤してはカーボンブラッ
ク、けい酸アルミニウム、無水けい酸等があげられる。In the present invention, in addition to the above-mentioned components, stabilizers, fillers, colorants, antioxidants, lubricants, etc. may be added as appropriate. Stabilizers include lead oxide, calcium oxide, magnesium oxide, aluminum oxide, titanium oxide, antimony oxide,
Examples include phosphorus pentoxide, and fillers include carbon black, aluminum silicate, silicic anhydride, and the like.
［実施例］
表の各側に示す成分をニーダを用いて溶解混練する。こ
のコンパウンドを、ダイス＝２５０℃、ヘット：２５０
℃、シリンダー１７１８０℃、シリンダー２：２５０℃
に設定した４０■■押出機（Ｌ／Ｄ−２２）を用い、外
径１．ト■の導体（すずメッキ銅集合撚線）に厚さ１．
０鳳−で被覆後、５Ｍｒａｄの電子線を照射して架橋し
た。[Example] The components shown on each side of the table are melted and kneaded using a kneader. Add this compound, die = 250℃, head: 250
℃, Cylinder 17180℃, Cylinder 2: 250℃
Using a 40■■ extruder (L/D-22) set to 1. The conductor (tin-plated copper stranded wire) has a thickness of 1.
After coating with Otori, it was crosslinked by irradiation with a 5 Mrad electron beam.
上記のようにして製造した各側の絶縁電線の引張特性及
び押出性について測定した結果を表の下欄に示した。The results of measuring the tensile properties and extrudability of the insulated wires on each side produced as described above are shown in the lower column of the table.
表から分かるように、本発明の範囲にある実施例１〜３
ではいずれも引張り強さ及び伸びが十分な特性を示して
おり、押出性も良好である。As can be seen from the table, Examples 1 to 3 within the scope of the present invention
Both exhibit sufficient properties in terms of tensile strength and elongation, and have good extrudability.
一方、比較例１は数平均分子量が９万以上のテトラフル
オロエチレン−プロピレン系共重合体の含有量が本発明
の規定値より少ない場合であり、引張強さ及び伸びの低
下がみられる。比較例２は数平均分子量が９万以上のテ
トラフルオロニレチン−プロピレン系共重合体の含有量
が本発明の規定値を越える場合であり、押出しが出来な
かった。On the other hand, in Comparative Example 1, the content of the tetrafluoroethylene-propylene copolymer having a number average molecular weight of 90,000 or more is less than the specified value of the present invention, and a decrease in tensile strength and elongation is observed. In Comparative Example 2, the content of the tetrafluoronyretin-propylene copolymer having a number average molecular weight of 90,000 or more exceeded the specified value of the present invention, and extrusion could not be performed.
［発明の効果Ｊ[Effects of the invention J
Claims (1)
ン−プロピレン系共重合体、エチレン−テトラフルオロ
エチレン−フルオロオレフィン共重合体及び数平均分子
量が９万以上のテトラフルオロエチレン−プロピレン系
共重合体を含有する樹脂分１００は重量部に対して、架
橋助剤を０．５重量部以上添架した組成物の被覆層が導
体上に形成されており、かつ該被覆層は電離性放射線の
照射により架橋されていることを特徴とする含ふっ素エ
ラストマ被覆絶縁電線。1. Tetrafluoroethylene-propylene copolymers with a number average molecular weight of 30,000 to 60,000, ethylene-tetrafluoroethylene-fluoroolefin copolymers, and tetrafluoroethylene-propylene copolymers with a number average molecular weight of 90,000 or more. A coating layer of a composition in which 0.5 parts by weight or more of a crosslinking agent is added to the resin content of 100 parts by weight is formed on the conductor, and the coating layer is crosslinked by irradiation with ionizing radiation. A fluorine-containing elastomer-coated insulated wire characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10553589A JPH02284305A (en) | 1989-04-25 | 1989-04-25 | Insulated wire coated with fluorine-containing elastomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10553589A JPH02284305A (en) | 1989-04-25 | 1989-04-25 | Insulated wire coated with fluorine-containing elastomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02284305A true JPH02284305A (en) | 1990-11-21 |
Family
ID=14410283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10553589A Pending JPH02284305A (en) | 1989-04-25 | 1989-04-25 | Insulated wire coated with fluorine-containing elastomer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02284305A (en) |
-
1989
- 1989-04-25 JP JP10553589A patent/JPH02284305A/en active Pending
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