JPH04329213A - Fluorine-containing elastic-material coated electric wire - Google Patents
Fluorine-containing elastic-material coated electric wireInfo
- Publication number
- JPH04329213A JPH04329213A JP3098713A JP9871391A JPH04329213A JP H04329213 A JPH04329213 A JP H04329213A JP 3098713 A JP3098713 A JP 3098713A JP 9871391 A JP9871391 A JP 9871391A JP H04329213 A JPH04329213 A JP H04329213A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- electric wire
- ethylene
- parts
- copolymer
- 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 abstract description 7
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 7
- 239000011737 fluorine Substances 0.000 title claims abstract description 7
- 239000013013 elastic material Substances 0.000 title abstract description 3
- 239000002033 PVDF binder Substances 0.000 claims abstract description 13
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 13
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 claims abstract description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 8
- 239000011247 coating layer Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000004132 cross linking Methods 0.000 claims description 7
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 230000005865 ionizing radiation Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000005187 foaming Methods 0.000 abstract description 8
- 229920001577 copolymer Polymers 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 abstract 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 13
- 238000001125 extrusion Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 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
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- -1 glylene Chemical compound 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-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
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- 150000003923 2,5-pyrrolediones Chemical class 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
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-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
- 150000001412 amines Chemical class 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 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
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 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
- 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
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 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
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-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
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Organic Insulating Materials (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、弾性体被覆電線の改善
に係り、特に強靱性に優れた被覆層を有する含フッ素弾
性体被覆電線に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvements in elastic-coated electric wires, and more particularly to fluorine-containing elastic-covered electric wires having a coating layer with excellent toughness.
【０００２】0002
【従来の技術】テトラフルオロエチレン−プロプレン系
共重合体は、耐熱性、耐油性、耐薬品性、電気絶縁性、
可撓性等に優れていることから電線の絶縁材料やシース
材料として最適である。[Prior Art] Tetrafluoroethylene-propylene copolymers have heat resistance, oil resistance, chemical resistance, electrical insulation properties,
Due to its excellent flexibility, it is ideal as an insulation material and sheath material for electric wires.
【０００３】しかし、テトラフルオロエチレン−ヘキサ
フルオロプロピレン共重合体を代表とする一般のフッ素
樹脂と比較すると、引張り強さや引裂き強さ等の機械的
強度が低く、強靱性の点に問題があった。However, compared to general fluororesins such as tetrafluoroethylene-hexafluoropropylene copolymer, mechanical strength such as tensile strength and tear strength is low, and there are problems in terms of toughness. .
【０００４】テトラフルオロエチレン−ヘキサフルオロ
プロピレン共重合体の強靱性を向上させるために、エチ
レン−テトラフルオロエチレン共重合体をブレンドする
ことが提案されている。In order to improve the toughness of tetrafluoroethylene-hexafluoropropylene copolymers, it has been proposed to blend ethylene-tetrafluoroethylene copolymers.
【０００５】[0005]
【発明が解決しようとする課題】しかし、エチレン−テ
トラフルオロエチレン共重合体は、融点が２６０℃と高
いため、コンパウンディングや押出加工温度を３００℃
近くまで上げる必要がありその結果、通常の方法では押
出加工時に発泡やつぶを生じるという問題がある。[Problems to be Solved by the Invention] However, since the ethylene-tetrafluoroethylene copolymer has a high melting point of 260°C, it is difficult to reduce the compounding and extrusion processing temperature to 300°C.
As a result, the conventional method has the problem of foaming and crushing during extrusion processing.
【０００６】本発明は、上記に基づいてなされたのもで
あり、強靱な被覆を有し、しかも押出加工時における発
泡、つぶの発生がない含フッ素弾性体被覆電線の提供を
目的とする。The present invention has been made based on the above, and an object thereof is to provide a fluorine-containing elastic material-coated electric wire that has a tough coating and does not cause foaming or crushing during extrusion processing.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
の本発明の含フッ素弾性体被覆電線の構成は、テトラフ
ルオロエチレン−プロプレン系共重合体対ポリフッ化ビ
ニリデンの含有割合が重量比で、３９／６１〜１０／９
０とした樹脂分１００重量部に対して、エチレン−アク
リル酸エチル共重合体またはエチレン−酢酸ビニル共重
合体５〜１００重量部と、架橋助剤０．５重量部以上と
を添加した組成物からなる被覆層に、電離性放射線を照
射するようにしたことである。[Means for Solving the Problems] In order to solve the above problems, the fluorine-containing elastomer-coated electric wire of the present invention has a composition in which the content ratio of tetrafluoroethylene-propylene copolymer to polyvinylidene fluoride is in a weight ratio, 39/61-10/9
A composition in which 5 to 100 parts by weight of an ethylene-ethyl acrylate copolymer or an ethylene-vinyl acetate copolymer and 0.5 parts by weight or more of a crosslinking aid are added to 100 parts by weight of the resin content set to zero. ionizing radiation is irradiated onto the coating layer consisting of.
【０００８】[0008]
【作用】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、これらと共重合体可能な成分、例えば、
エチレン、ブテン−１、イソブテン、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、フッ化ビニル、フッ化ビニリデン、ヘキサ
フルオロプロペン、クロロエチルビニルエーテル、グリ
レン、パーフルオロアルキルビニルエーテル等を適宜加
えたものでもよい。[Action] In addition to the main components of tetrafluoroethylene and propylene, the tetrafluoroethylene-propylene copolymer contains components that can be copolymerized with these, such as
Ethylene, butene-1, isobutene, acrylic acid and its alkyl esters, methacrylic acid and its alkyl esters, vinyl fluoride, vinylidene fluoride, hexafluoropropene, chloroethyl vinyl ether, glylene, perfluoroalkyl vinyl ether, etc. are added as appropriate. But that's fine.
【０００９】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、成型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９５／５〜３０／７０
の範囲から選定するのが望ましく、特に好ましくは、９
０／１０〜４５／５５の範囲である。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。[0009] The tetrafluoroethylene-propylene copolymer has a molar ratio of tetrafluoroethylene/propylene of 95/5 to 30/70 in terms of heat resistance, moldability, etc.
It is desirable to select from the range of 9, particularly preferably 9.
It is in the range of 0/10 to 45/55. Further, the content of components other than the main component, which may be added as appropriate, is desirably selected from a range of 50 moles or less, particularly 30 moles or less.
【００１０】エチレン−アクリル酸エチル共重合体は、
アクリル酸エチル含有量が５〜５０重量％のものを使用
することが望ましい。[0010] The ethylene-ethyl acrylate copolymer is
It is desirable to use one having an ethyl acrylate content of 5 to 50% by weight.
【００１１】エチレン−酢酸ビニル共重合体は、酢酸ビ
ニル含有量が５〜５０重量％のものを使用することが望
ましい。The ethylene-vinyl acetate copolymer preferably has a vinyl acetate content of 5 to 50% by weight.
【００１２】ポリフッ化ビニリデンは、第三成分にトリ
フルオロエチレンやクロロトリフルオロエチレンを含む
ものでもよい。The polyvinylidene fluoride may contain trifluoroethylene or chlorotrifluoroethylene as a third component.
【００１３】テトラフルオロエチレン−プロプレン系重
合体／ポリフッ化ビニリデンの含有割合は重量比で３９
／６１〜１０／９０の範囲から選定する必要がある。ポ
リフッ化ビニリデンが９０重量部より多いと、伸びが小
さく、６１重量部未満では、耐摩耗性が改善されない。[0013] The content ratio of tetrafluoroethylene-propylene polymer/polyvinylidene fluoride is 39% by weight.
It is necessary to select from the range of /61 to 10/90. If the amount of polyvinylidene fluoride is more than 90 parts by weight, elongation will be small, and if it is less than 61 parts by weight, the abrasion resistance will not be improved.
【００１４】エチレン−アクリル酸エチル共重合体また
はエチレン−酢酸ビニル共重合体の添加量はテトラフル
オロエチレン−プロプレン系重合体とポリフッ化ビニリ
デン合わせて１００重量部に対して５〜１００重量部と
する必要がある。すなはち、５重量部未満では無機充填
剤を多量に添加できず、また１００重量部を超えると耐
熱性が低下する。The amount of ethylene-ethyl acrylate copolymer or ethylene-vinyl acetate copolymer added is 5 to 100 parts by weight per 100 parts by weight of the tetrafluoroethylene-propylene polymer and polyvinylidene fluoride. There is a need. In other words, if the amount is less than 5 parts by weight, a large amount of inorganic filler cannot be added, and if it exceeds 100 parts by weight, the heat resistance will decrease.
【００１５】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、ポリブタジエン等があげられるが、トリ
アリルイソシアヌレート、トリアリ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重量部では、架橋助剤添加による効果
は飽和する。Examples of crosslinking aids include allyl type compounds, sulfur, organic amines, maleimides, methacrylates, divinyl compounds, polybutadiene, etc. Allyl type compounds represented by triallyl isocyanurate and triallyl cyanurate Particularly preferred are compounds. 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, the amount is 1 to 20 parts by weight, and at 20 parts by weight, the effect of adding the crosslinking auxiliary agent is saturated.
【００１６】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、充填剤としては
、カーボンブラック、けい酸アルミニウム、無水けい酸
、けい酸マグネシウム、炭酸カルシウム、けい酸カルシ
ウム等があげられる。[0016] In the present invention, in addition to the above-mentioned components, appropriate
Stabilizers, fillers, colorants, antioxidants, lubricants, etc. may be added. Stabilizers include lead oxide, calcium oxide, magnesium oxide, aluminum oxide, titanium oxide, antimony oxide, phosphorus pentoxide, etc. Fillers include carbon black, aluminum silicate, silicic anhydride, magnesium silicate, Examples include calcium carbonate and calcium silicate.
【００１７】[0017]
【実施例】以下本発明の実施例、比較例を表１および表
２を用いて説明する。[Examples] Examples and comparative examples of the present invention will be explained below using Tables 1 and 2.
【００１８】表１は実施例２例と比較例４例の成分割合
および評価項目を表示したものであり、表２は実施例３
例と比較例４例の成分割合および評価項目を表示したも
のである。Table 1 shows the component ratios and evaluation items for Example 2 and Comparative Examples 4, and Table 2 shows Example 3.
The component ratios and evaluation items of the example and four comparative examples are displayed.
【００１９】表１および表２に示すような各成分の材料
をニーダ（混練機）を用いて溶融混練する。このコンパ
ウンドをシリンダー１；１００℃、シリンダー２；１８
０℃ヘッド；１９０℃、ダイ；２００℃に設定した４０
ｍｍ押出機（Ｌ／Ｄ〓２２）を用い、外径０．８ｍｍの
導体（錫めっき銅の同心撚線）に厚さ０．５ｍｍで被覆
後、１０Ｍｒａｄの電子線を照射して架橋して供試材と
した。The ingredients shown in Tables 1 and 2 are melt-kneaded using a kneader. Add this compound to cylinder 1: 100℃, cylinder 2: 18
40 set at 0°C head: 190°C, die: 200°C
Using a mm extruder (L/D = 22), a conductor (concentric stranded tinned copper wire) with an outer diameter of 0.8 mm was coated with a thickness of 0.5 mm, and then cross-linked by irradiation with a 10 Mrad electron beam. It was used as a test material.
【００２０】[0020]
【表１】[Table 1]
【００２１】[0021]
【表２】[Table 2]
【００２２】表１において、実施例１、２は、テトラフ
ルオロエチレン−プロプレン系重合体／ポリフッ化ビニ
リデンの重量比を３９／６１〜１０／９０の範囲（３０
／７０）とし、エチレン−アクリル酸エチル共重合体を
５〜１００重量部（２０）および架橋助剤を０．５重量
部以上（５）および安定剤等を適量添加した。これに対
して、比較例１〜４では、配合成分の量等が上記の範囲
をこえたものである。In Table 1, in Examples 1 and 2, the weight ratio of tetrafluoroethylene-propylene polymer/polyvinylidene fluoride was in the range of 39/61 to 10/90 (30
/70), and 5 to 100 parts by weight of ethylene-ethyl acrylate copolymer (20), 0.5 parts by weight or more of a crosslinking aid (5), and appropriate amounts of stabilizers and the like were added. On the other hand, in Comparative Examples 1 to 4, the amounts of the ingredients, etc. exceeded the above range.
【００２３】表２において、実施例１〜３は、テトラフ
ルオロエチレン−プロプレン系重合体／ポリフッ化ビニ
リデンの重量比を３９／６１〜１０／９０の範囲（４０
／６０、２０／８０）とし、エチレン−酢酸ビニル共重
合体を５〜１００重量部（２０）および架橋助剤を０．
５重量部以上（５）および安定剤等を適量添加した。こ
れに対して、比較例１〜４では、配合成分の量等が上記
の範囲をこえたものである。In Table 2, in Examples 1 to 3, the weight ratio of tetrafluoroethylene-propylene polymer/polyvinylidene fluoride was in the range of 39/61 to 10/90 (40
/60, 20/80), 5 to 100 parts by weight of ethylene-vinyl acetate copolymer (20), and 0.
At least 5 parts by weight (5) and appropriate amounts of stabilizers and the like were added. On the other hand, in Comparative Examples 1 to 4, the amounts of the ingredients, etc. exceeded the above range.
【００２４】以下試験方法と評価方法を説明する。The test method and evaluation method will be explained below.
【００２５】上記のようにして製造した各例の絶縁電線
は、押出し時の発泡およびつぶの発生状況と表面の外観
を目視により観察して、良否を判定した。The insulated wires of each example produced as described above were judged to be good or bad by visually observing the occurrence of foaming and collapse during extrusion and the appearance of the surface.
【００２６】引張強さおよび伸びは、引張試験によって
、結果を評価した。[0026] The tensile strength and elongation were evaluated by a tensile test.
【００２７】耐熱性は、電線を３５ｍｍφのマンドレル
に巻きつけて、２００℃で１０日間放置し、割れがなけ
れば合格とした。[0027] Heat resistance was determined by winding an electric wire around a 35 mmφ mandrel and leaving it at 200°C for 10 days, and passing the test if there was no cracking.
【００２８】耐摩耗性は、自動車規格ＪＡＳＯＤ６１１
（自動車用薄肉低圧電線）の耐摩耗試験をおこなった。
すなわち、電線の上に４５０ｇの荷重をかけ、電線と７
ｍｍφの円柱棒の間に摩耗テープを挿入して、テープを
移動させ、導体まで貫通するのに移動したテープの走行
距離を測定し、それが４５７ｍｍ以上を合格とした。[0028] Wear resistance is based on the automobile standard JASOD611.
We conducted a wear resistance test on (thin-walled low-voltage electric wire for automobiles). In other words, a load of 450g is placed on the wire, and the wire and
An abrasion tape was inserted between cylindrical rods of mmφ, the tape was moved, and the distance traveled by the tape to penetrate the conductor was measured, and a distance of 457 mm or more was considered to be passed.
【００２９】表１からわかるように、本発明の範囲にあ
る実施例１、２は、いずれも押出し時の発泡およびつぶ
の発生はなく、押出し表面の外観も良好であり、引張特
性、耐熱性、耐摩耗性はすべて合格である。As can be seen from Table 1, in both Examples 1 and 2, which are within the scope of the present invention, no foaming or crushing occurred during extrusion, the appearance of the extruded surface was good, and the tensile properties and heat resistance were good. , wear resistance were all passed.
【００３０】比較例１は、ポリフッ化ビニリデンの含有
量が本発明の規定値より少ない場合であり、耐摩耗性が
わるい。比較例２は、ポリフッ化ビニリデンの含有量が
本発明の規定値より多い場合であり、伸びの値が低い。
比較例３はエチレン−アクリル酸エチル共重合体の含有
量が規定値より少ない場合であり、無機充填剤を多量に
添加すると、引張強さ、伸び、耐熱性、耐摩耗性がすべ
て低下する。比較例４はエチレン−アクリル酸エチル共
重合体の含有量が規定値を超える場合であり、耐熱性お
よび耐摩耗性が低下する。Comparative Example 1 is a case in which the content of polyvinylidene fluoride is less than the specified value of the present invention, and the wear resistance is poor. Comparative Example 2 is a case where the content of polyvinylidene fluoride is higher than the specified value of the present invention, and the elongation value is low. Comparative Example 3 is a case where the content of the ethylene-ethyl acrylate copolymer is less than the specified value, and when a large amount of inorganic filler is added, tensile strength, elongation, heat resistance, and abrasion resistance all decrease. Comparative Example 4 is a case where the content of the ethylene-ethyl acrylate copolymer exceeds the specified value, and the heat resistance and abrasion resistance decrease.
【００３１】表２からわかるように、本発明の範囲にあ
る実施例１〜３は、いずれも押出し時の発泡およびつぶ
の発生はなく、押出し表面の外観も良好であり、引張特
性、耐熱性、耐摩耗性はすべて合格である。As can be seen from Table 2, in Examples 1 to 3 within the scope of the present invention, no foaming or crushing occurred during extrusion, the appearance of the extruded surface was good, and the tensile properties and heat resistance were good. , wear resistance were all passed.
【００３２】比較例１は、ポリフッ化ビニリデンの含有
量が本発明の規定値より少ない場合であり、耐摩耗性が
わるい。比較例２は、ポリフッ化ビニリデンの含有量が
本発明の規定値より多い場合であり、伸びの値が低い。
比較例３はエチレン−酢酸ビニル共重合体の含有量が規
定値より少ない場合であり、無機充填剤を多量に添加す
ると、引張強さ、伸び、耐熱性、耐摩耗性がすべて低下
する。比較例４はエチレン−酢酸ビニル共重合体の含有
量が規格値を超える場合であり、耐熱性および耐摩耗性
が低下する。Comparative Example 1 is a case in which the content of polyvinylidene fluoride is less than the specified value of the present invention, and the wear resistance is poor. Comparative Example 2 is a case where the content of polyvinylidene fluoride is higher than the specified value of the present invention, and the elongation value is low. Comparative Example 3 is a case where the content of the ethylene-vinyl acetate copolymer is less than the specified value, and when a large amount of inorganic filler is added, tensile strength, elongation, heat resistance, and abrasion resistance all decrease. Comparative Example 4 is a case where the content of the ethylene-vinyl acetate copolymer exceeds the standard value, and the heat resistance and abrasion resistance decrease.
【００３３】[0033]
【発明の効果】本発明によれば、強靱性に優れ、押出加
工時における発泡やつぶの発生がなくまた、仕上がり表
面の外観が良好な含フッ素弾性体被覆電線を容易に製造
することができる。したがって、この電線を使用するこ
とにより、作業性および経済性の向上に資することがで
きる。[Effects of the Invention] According to the present invention, it is possible to easily produce a fluorine-containing elastomer-coated electric wire that has excellent toughness, does not cause foaming or crushing during extrusion processing, and has a good finished surface appearance. . Therefore, use of this electric wire can contribute to improving workability and economic efficiency.
Claims (1)
重合体対ポリフッ化ビニリデンの含有割合が重量比で、
３９／６１〜１０／９０とした樹脂分１００重量部に対
して、エチレン−アクリル酸エチル共重合体またはエチ
レン−酢酸ビニル共重合体５〜１００重量部と、架橋助
剤０．５重量部以上とを添加した組成物からなる被覆層
に、電離性放射線を照射してなることを特徴とする含フ
ッ素弾性体被覆電線。Claim 1: The content ratio of tetrafluoroethylene-propylene copolymer to polyvinylidene fluoride is expressed as a weight ratio,
5 to 100 parts by weight of ethylene-ethyl acrylate copolymer or ethylene-vinyl acetate copolymer and 0.5 parts by weight or more of a crosslinking aid to 100 parts by weight of the resin content of 39/61 to 10/90. 1. A fluorine-containing elastomer-covered electric wire, characterized in that it is formed by irradiating a coating layer made of a composition containing the following with ionizing radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3098713A JPH04329213A (en) | 1991-04-30 | 1991-04-30 | Fluorine-containing elastic-material coated electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3098713A JPH04329213A (en) | 1991-04-30 | 1991-04-30 | Fluorine-containing elastic-material coated electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04329213A true JPH04329213A (en) | 1992-11-18 |
Family
ID=14227159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3098713A Pending JPH04329213A (en) | 1991-04-30 | 1991-04-30 | Fluorine-containing elastic-material coated electric wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04329213A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6753478B2 (en) | 2000-03-16 | 2004-06-22 | Tyco Electronics Uk Limited | Electrical wire insulation |
| CN103773138A (en) * | 2014-01-20 | 2014-05-07 | 南通天明光电科技有限公司 | Insulating coating special for high-voltage lines |
| WO2016052702A1 (en) * | 2014-10-01 | 2016-04-07 | Nok株式会社 | Aqueous dispersion of coating material |
-
1991
- 1991-04-30 JP JP3098713A patent/JPH04329213A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6753478B2 (en) | 2000-03-16 | 2004-06-22 | Tyco Electronics Uk Limited | Electrical wire insulation |
| CN103773138A (en) * | 2014-01-20 | 2014-05-07 | 南通天明光电科技有限公司 | Insulating coating special for high-voltage lines |
| WO2016052702A1 (en) * | 2014-10-01 | 2016-04-07 | Nok株式会社 | Aqueous dispersion of coating material |
| JPWO2016052702A1 (en) * | 2014-10-01 | 2017-07-13 | Nok株式会社 | Coating agent aqueous dispersion |
| US10030163B2 (en) | 2014-10-01 | 2018-07-24 | Nok Corporation | Coating agent aqueous dispersion |
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