JPH09213137A - Ant proofing electric wire and cable - Google Patents
Ant proofing electric wire and cableInfo
- Publication number
- JPH09213137A JPH09213137A JP8013438A JP1343896A JPH09213137A JP H09213137 A JPH09213137 A JP H09213137A JP 8013438 A JP8013438 A JP 8013438A JP 1343896 A JP1343896 A JP 1343896A JP H09213137 A JPH09213137 A JP H09213137A
- Authority
- JP
- Japan
- Prior art keywords
- nylon
- ant
- cable
- maleic anhydride
- termite
- 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.)
- Withdrawn
Links
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 24
- -1 polypropylene Polymers 0.000 claims abstract description 21
- 239000004743 Polypropylene Substances 0.000 claims abstract description 20
- 229920001155 polypropylene Polymers 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine powder Natural products NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 abstract description 6
- 239000004677 Nylon Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 229920001778 nylon Polymers 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004698 Polyethylene Substances 0.000 abstract description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- 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 description 12
- 239000003063 flame retardant Substances 0.000 description 12
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 8
- 229920000299 Nylon 12 Polymers 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 5
- 238000013329 compounding Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 241000256602 Isoptera Species 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000007765 extrusion coating Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- NLJYVSRAICBDSH-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15-triacontachlorocyclopentadecane Chemical compound ClC1(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C(Cl)(Cl)C1(Cl)Cl NLJYVSRAICBDSH-UHFFFAOYSA-N 0.000 description 1
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229960002684 aminocaproic acid Drugs 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、防蟻性を有する電
線・ケーブルに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire / cable having anti-termite properties.
【０００２】[0002]
【従来の技術】従来より、地中などに埋設する電線・ケ
ーブルとして、シースに、硬度、抗張力、曲げ弾性率な
どの機械的特性に優れたナイロン１２を被覆することに
より、防蟻性を付与したものが一般に用いられている。2. Description of the Related Art Conventionally, as an electric wire / cable to be buried in the ground, a sheath is coated with nylon 12 which has excellent mechanical properties such as hardness, tensile strength and flexural modulus, and thus is given an anti-termite property. Those that have been used are generally used.
【０００３】ここで各種ナイロン樹脂のなかでも、特に
ナイロン１２が使用されているのは、他のナイロン樹脂
に比べ耐水性、耐湿性に優れ、地中などの多湿下に埋設
されても機械的特性が低下することがなく、良好な防蟻
性を示すからである。すなわち、たとえばナイロン６
は、その初期特性において、ナイロン１２より機械的特
性に優れるものの、多湿下では水分を吸収して機械的特
性が大きく低下し、防蟻性が損なわれることが知られて
いる。Among various nylon resins, nylon 12 is particularly used here because it is superior in water resistance and moisture resistance as compared with other nylon resins, and is mechanical even when buried in a high humidity such as underground. This is because the characteristics do not deteriorate and the good ant-preventing property is exhibited. That is, for example, nylon 6
It is known that although its initial properties are superior to nylon 12 in mechanical properties, it absorbs water under high humidity to significantly reduce mechanical properties and impair its termite resistance.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、ナイロ
ン１２は、ナイロン６などに比べ高価であるうえ、難燃
剤を配合すると機械的特性が低下するため、電線・ケー
ブルの難燃化が難しいという問題があった。However, nylon 12 is more expensive than nylon 6 and the like, and when a flame retardant is blended, mechanical properties deteriorate, so that it is difficult to make flames of electric wires and cables difficult. there were.
【０００５】本発明は、このような点に対処してなされ
たもので、多湿下でも優れた防蟻性を示し、しかもその
優れた防蟻性を損なうことなく良好な難燃性を付与する
ことができ、また、材料コストを低減することができる
防蟻電線・ケーブルを提供することを目的とする。The present invention has been made in consideration of such a point, and shows an excellent ant-preventing property even under a high humidity, and further imparts a good flame retardancy without impairing the excellent ant-preventing property. It is an object of the present invention to provide a termite-proof electric wire / cable that can be manufactured and can reduce material costs.
【０００６】[0006]
【課題を解決するための手段】本発明の第１の防蟻電線
・ケーブルは、ナイロン６に無水マレイン酸変性ポリプ
ロピレンを混合してなる組成物からなる防蟻層を具備す
ることを特徴とする。このような防蟻電線・ケーブルに
おいては、ナイロン６に無水マレイン酸変性ポリプロピ
レンを混合したことにより、ナイロン６が本来有する優
れた機械的特性が多湿下でも低下することがなく、した
がって、地中などに布設されても良好な防蟻性を示す。
また、これらの材料は比較的安価であるため、材料コス
トを低減することができる。さらに、難燃剤の配合によ
っても機械的特性が低下することがないため、優れた難
燃性を付与することができる。なお、ここで、難燃性を
付与するために配合する難燃剤としては、赤リンおよび
メラミン粉末の併用がなかでも望ましく、優れた難燃性
を付与することができる。The first termite-proof wire / cable of the present invention is characterized by comprising a termite-proof layer made of a composition in which nylon 6 is mixed with maleic anhydride-modified polypropylene. . In such an anti-termite electric wire / cable, by mixing maleic anhydride-modified polypropylene with nylon 6, the excellent mechanical properties originally possessed by nylon 6 do not deteriorate even under high humidity, and therefore, in the ground, etc. Even if it is laid on the ground, it shows good ant repellency.
Moreover, since these materials are relatively inexpensive, the material cost can be reduced. Furthermore, even if the flame retardant is blended, the mechanical properties do not deteriorate, so that excellent flame retardancy can be imparted. Here, as the flame retardant to be added for imparting flame retardancy, it is preferable to use red phosphorus and melamine powder in combination, and excellent flame retardancy can be imparted.
【０００７】したがって、本発明の第２の防蟻電線・ケ
ーブルは、前記防蟻電線・ケーブル前記組成物に、赤リ
ンおよびメラミン粉末が配合されていることを特徴とす
る。Therefore, the second termite-proof electric wire / cable of the present invention is characterized in that the composition of the termite-proof electric wire / cable contains red phosphorus and melamine powder.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態を説明
する。Embodiments of the present invention will be described below.
【０００９】図１は、本発明の実施の形態の一例を示す
横断面図である。FIG. 1 is a cross sectional view showing an example of an embodiment of the present invention.
【００１０】図１に示すように、このケーブルは、銅や
アルミなどからなる導体１上に、ポリエチレンや架橋ポ
リエチレンなどの絶縁体２を被覆してなる絶縁線心３を
複数本（図１では 3本）撚合わせ、これらの外周に、紙
などによる介在４を介して、押えテープ５、塩化ビニル
樹脂やポリオレフィンなどからなるシース６および防蟻
層７を順に設けて構成されている。As shown in FIG. 1, this cable has a plurality of insulating cores 3 (in FIG. 1, a conductor 1 made of copper, aluminum or the like and an insulator 2 made of polyethylene, cross-linked polyethylene or the like coated on the conductor 1. 3 pieces) are twisted, and a pressing tape 5, a sheath 6 made of vinyl chloride resin, polyolefin, etc., and an anti-termite layer 7 are sequentially provided on the outer circumference of these by interposing an intervening member 4 made of paper or the like.
【００１１】防蟻層７は、本発明の特徴をなすものであ
り、ナイロン６に無水マレイン酸変性ポリプロピレンを
混合してなる組成物を、シース６上に押出被覆すること
により形成されたものである。The ant-preventing layer 7 is a feature of the present invention, and is formed by extrusion coating the sheath 6 with a composition prepared by mixing nylon 6 with maleic anhydride-modified polypropylene. is there.
【００１２】ここで使用されるナイロン６は、ε- カプ
ロラクタムあるいはε- アミノカプロン酸の重合によっ
て得られるもので、硬度、抗張力、曲げ弾性率をはじめ
極めて優れた機械的特性を有し、本来、優れた防蟻性を
示すポリマーである。しかしながら、このような優れた
特性は、吸水性が大きいという他の特徴的性質から、多
湿下では大きく低下し、実用上問題がある。Nylon 6 used here is obtained by polymerization of ε-caprolactam or ε-aminocaproic acid, and has extremely excellent mechanical properties such as hardness, tensile strength and flexural modulus, and is originally excellent. It is a polymer that has anti-termite properties. However, such excellent characteristics are greatly reduced under high humidity due to another characteristic property of high water absorption, which is a practical problem.
【００１３】そこで、本発明においては、このようなナ
イロン６に無水マレイン酸変性ポリプロピレンを併用す
る。すなわち、無水マレイン酸変性ポリプロピレンをナ
イロン６に混合することにより、ナイロン６の耐水性を
改善し、吸水、吸湿による機械的特性の低下、防蟻性の
低下を防止することができる。なお、通常のポリプロピ
レンを配合してもこのような効果は得られない。このよ
うな無水マレイン酸変性ポリプロピレンとしては、たと
えば大日本インキ（株）社製のダイナール（商品名）な
どがあげられる。Therefore, in the present invention, maleic anhydride modified polypropylene is used in combination with such nylon 6. That is, by mixing maleic anhydride-modified polypropylene with nylon 6, it is possible to improve the water resistance of nylon 6 and prevent the mechanical properties and termite resistance from decreasing due to water absorption and moisture absorption. It should be noted that such an effect cannot be obtained even if ordinary polypropylene is blended. Examples of such maleic anhydride-modified polypropylene include Dynal (trade name) manufactured by Dainippon Ink and Co., Ltd.
【００１４】本発明において、これらのナイロン６と無
水マレイン酸変性ポリプロピレンの混合比は、特に限定
されるものではないが、重量比で 50:50〜90:10 の範囲
が適当である。この範囲を外れると、ナイロン６本来の
優れた特性が損なわれ、機械的特性が不十分となるおそ
れがある。In the present invention, the mixing ratio of these nylon 6 and the maleic anhydride modified polypropylene is not particularly limited, but a weight ratio of 50:50 to 90:10 is suitable. Outside this range, the excellent properties inherent to nylon 6 may be impaired and mechanical properties may become insufficient.
【００１５】なお、このような組成物からなる防蟻層７
の厚さとしては、少なくとも 0.5mm以上とすることが望
ましい。An ant-preventive layer 7 made of such a composition is used.
It is desirable that the thickness of at least 0.5 mm.
【００１６】本発明においては、上記成分に加え難燃剤
を配合することにより、難燃性を有する防蟻層７を形成
することができる。ここで使用する難燃剤としては、赤
リンおよびメラミン粉末の併用が望ましく、少量の配合
で優れた難燃性を付与することができる。すなわち、他
の難燃剤、たとえばハロゲン系難燃剤を用いた場合に
は、良好な難燃性を得るためには相当量配合しなければ
ならず、機械的特性が低下して防蟻性が損なわれるおそ
れがある。これに対し、赤リンとメラミン粉末の併用で
は、少量の配合で優れた難燃性を付与することができ、
機械的特性の低下、防蟻性の低下が防止される。具体的
には、ナイロン６および無水マレイン酸変性ポリプロピ
レン 100重量部あたり、赤リンが 1〜10重量部、メラミ
ン粉末が 1〜5 重量部の範囲での併用が望ましい。In the present invention, the termite-proof layer 7 having flame retardancy can be formed by adding a flame retardant in addition to the above components. As the flame retardant used here, a combination of red phosphorus and melamine powder is desirable, and excellent flame retardancy can be imparted with a small amount of compounding. That is, when another flame retardant, for example, a halogen-based flame retardant is used, it must be blended in a considerable amount in order to obtain good flame retardancy, mechanical properties are deteriorated and termite resistance is impaired. May be On the other hand, the combined use of red phosphorus and melamine powder can impart excellent flame retardancy with a small amount of compounding,
It prevents deterioration of mechanical properties and ant resistance. Specifically, it is desirable to use red phosphorus in an amount of 1 to 10 parts by weight and melamine powder in an amount of 1 to 5 parts by weight per 100 parts by weight of nylon 6 and maleic anhydride modified polypropylene.
【００１７】なお、難燃性を付与する場合には、シース
６なども難燃剤配合の材料、すなわち、難燃性塩化ビニ
ル樹脂や難燃性ポリオレフィンなどにより構成すること
が望ましい。When imparting flame retardancy, it is desirable that the sheath 6 and the like are also made of a material containing a flame retardant, that is, a flame retardant vinyl chloride resin or a flame retardant polyolefin.
【００１８】本発明においては、防蟻層７を構成する組
成物に、さらに、必要に応じて、本発明の効果を阻害し
ない範囲で、各種の添加剤、たとえば着色剤、滑剤（加
工助剤）、酸化防止剤、紫外線吸収剤、光安定剤などを
配合してもよい。In the present invention, various additives such as colorants and lubricants (processing aids) may be added to the composition constituting the ant-preventive layer 7 if necessary, within a range that does not impair the effects of the present invention. ), An antioxidant, an ultraviolet absorber, a light stabilizer and the like.
【００１９】このように構成されるケーブルにおいて
は、ナイロン６に無水マレイン酸変性ポリプロピレンを
混合してなる組成物からなる防蟻層７を有するので、地
中などの多湿下でも優れた防蟻性を示し、しかも、従来
のナイロン１２を用いたものに比べ、材料コストを低減
することができる。また、赤リンおよびメラミン粉末の
併用によって優れた難燃性を付与することができる。Since the cable thus constructed has the termite-preventing layer 7 made of a composition in which nylon 6 is mixed with maleic anhydride-modified polypropylene, it has excellent termite-preventing property even under high humidity such as underground. In addition, the material cost can be reduced as compared with the conventional nylon 12. Further, the combined use of red phosphorus and melamine powder can impart excellent flame retardancy.
【００２０】なお、以上説明した例は、本発明を、絶縁
線心３を複数本撚合わせ、その外周にシース６を設けた
構造のケーブルに適用した例であるが、本発明はこのよ
うな例に限定されるものではなく、図示は省略するが、
導体上に絶縁体を被覆した絶縁電線をはじめ、各種構造
の電線・ケーブルに適用可能である。また、必要なら
ば、防蟻層７の外周に、他の保護被覆を設けるようにし
てもよい。The example described above is an example in which the present invention is applied to a cable having a structure in which a plurality of insulated wire cores 3 are twisted and a sheath 6 is provided on the outer periphery thereof, but the present invention is as follows. It is not limited to the example, and although illustration is omitted,
It can be applied to electric wires / cables of various structures, including insulated electric wires in which a conductor is covered with an insulator. If necessary, another protective coating may be provided on the outer periphery of the ant-preventive layer 7.
【００２１】[0021]
【実施例】次に、本発明の具体的実施例を記載する。EXAMPLES Next, specific examples of the present invention will be described.
【００２２】実施例１ 断面積1.25mm2 の銅導体上に架橋ポリエチレンからなる
絶縁体を被覆してなる外径約 3mmの絶縁線心 3本を撚合
わせ、その外側に介在紙を添わせつつ、外周に押えテー
プを施し、次いで、この押えテープ上にポリ塩化ビニル
組成物を押出被覆して厚さ約 1mmのシースを形成し、さ
らに、その上に、ナイロン６ 70 重量部に無水マレイン
酸変性ポリプロピレン（無水マレイン酸変性ＰＰ） 30
重量部を添加混合して得た組成物を押出被覆して厚さ
0.5mmの防蟻層を形成した（最終外径約 10mm ）。Example 1 Three insulated wire cores having an outer diameter of about 3 mm, which are made by coating a copper conductor having a cross-sectional area of 1.25 mm 2 with an insulator made of cross-linked polyethylene, are twisted, and an intervening paper is added to the outside thereof. Then, a pressing tape is applied to the outer periphery, and then a polyvinyl chloride composition is extrusion-coated on the pressing tape to form a sheath having a thickness of about 1 mm. Further, 70 parts by weight of nylon and maleic anhydride are added on the sheath. Modified polypropylene (PP modified with maleic anhydride) 30
The composition obtained by adding and mixing parts by weight and coating the composition by extrusion coating
A 0.5 mm anti-termite layer was formed (final outer diameter about 10 mm).
【００２３】実施例２、３ 防蟻層を形成する材料の配合成分およびその配合量を表
１に示すように変えた以外は、実施例１と同様にしてケ
ーブルを製造した。Examples 2 and 3 A cable was manufactured in the same manner as in Example 1 except that the compounding ingredients and the compounding amounts of the material forming the ant-repellent layer were changed as shown in Table 1.
【００２４】得られた各実施例のケーブルにおける防蟻
層の特性評価試験の結果を表１に併せ示す。なお、特性
評価試験は、上記ケーブルと別に作成した厚さ 2mmのシ
ートについて実施したもので、引張強さおよび伸びはJI
S K 7113に、曲げ弾性率はJIS K 6911に、硬さはJIS K
7215にそれぞれ基づいて、また、耐水性は、シートを90
℃の温水中に 7日間浸漬した後の引張強さ残率、伸び残
率、曲げ弾性率残率および硬さの変化により、さらに、
難燃性はASTM D 635規定の燃焼試験に基づき測定評価し
たものである。Table 1 also shows the results of the characteristic evaluation test of the termite-proof layer in the obtained cables of the respective examples. The characteristic evaluation test was conducted on a sheet with a thickness of 2 mm, which was created separately from the above cables.
SK 7113, flexural modulus JIS K 6911, hardness JIS K 6911
Based on 7215 respectively, also water resistance 90 sheets
The change in tensile strength residual ratio, elongation residual ratio, flexural elastic modulus residual ratio and hardness after immersion in warm water at ℃ for 7 days
The flame retardancy is measured and evaluated based on the combustion test specified in ASTM D 635.
【００２５】また、表１には、本発明との比較のため
に、防蟻層を、ナイロン６のみで形成した例（比較例
１）、ナイロン６に未変性のポリプロピレン（ＰＰ）を
混合した組成物により形成した例（比較例２）、ナイロ
ン６に赤リンおよびハロゲン系難燃剤であるパークロロ
シクロペンタデカンをそれぞれ配合した組成物により形
成した例（比較例３、４）、ナイロン１２のみで形成し
た例（比較例５）、ナイロン１２に赤リンを配合した組
成物により形成した例（比較例６）を併せ示した。Further, in Table 1, for comparison with the present invention, an example in which an anti-termite layer was formed only of nylon 6 (Comparative Example 1), and nylon 6 was mixed with unmodified polypropylene (PP). An example formed by the composition (Comparative Example 2), an example formed by a composition in which red phosphorus and perchlorocyclopentadecane which is a halogen-based flame retardant are mixed with nylon 6 (Comparative Examples 3 and 4), and nylon 12 An example formed (Comparative Example 5) and an example formed using a composition in which red phosphorus is mixed with nylon 12 (Comparative Example 6) are also shown.
【００２６】[0026]
【表１】 表１からも明らかなように、本発明にかかるケーブルに
おける防蟻層は、その初期特性において、ナイロン６や
ナイロン１２に匹敵またはそれ以上の機械的特性を有
し、また、その優れた特性は水中への浸漬や難燃剤の配
合によって大きく低下することもなかった。[Table 1] As is clear from Table 1, the termite-proof layer in the cable according to the present invention has mechanical properties comparable or superior to those of nylon 6 and nylon 12 in its initial properties, and its excellent properties are It did not decrease significantly by immersion in water or blending of a flame retardant.
【００２７】[0027]
【発明の効果】以上説明したように、本発明の防蟻電線
・ケーブルは、ナイロン６に無水マレイン酸変性ポリプ
ロピレンを混合してなる組成物からなる防蟻層を具備す
る構成としたので、多湿下でも優れた防蟻性を示し、し
かもその優れた防蟻性を損なうことなく良好な難燃性を
付与し、かつ、材料コストを低減することができる。As described above, the termite-proof electric wire / cable of the present invention has a termite-preventing layer made of a composition in which nylon 6 is mixed with maleic anhydride-modified polypropylene. It also exhibits excellent ant-preventing properties even under the conditions, and also imparts good flame retardancy without impairing the excellent ant-preventing properties, and can reduce the material cost.
【図１】本発明の電線・ケーブルの一例を示す横断面
図。FIG. 1 is a cross-sectional view showing an example of an electric wire / cable of the present invention.
１………導体 ２………絶縁体 ３………絶縁線心 ４………介在 ５………押えテープ ６………シース ７………防蟻層 1 ... Conductor 2 Insulator 3 Insulation wire core 4 Interposition 5 Pressing tape 6 Sheath 7 Dovetail layer
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０１Ｂ 3/44 Ｈ０１Ｂ 3/44 Ｐ // Ｃ０８Ｌ 23/26 ＬＤＡ Ｃ０８Ｌ 23/26 ＬＤＡ (Ｃ０８Ｋ 13/02 3:32 5:3477） ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location H01B 3/44 H01B 3/44 P // C08L 23/26 LDA C08L 23/26 LDA (C08K 13 / 02 3:32 5: 3477)
Claims (4)
ロピレンを混合してなる組成物からなる防蟻層を具備す
ることを特徴とする防蟻電線・ケーブル。1. A termite-proof electric wire / cable comprising a termite-proof layer made of a composition obtained by mixing nylon 6 with maleic anhydride-modified polypropylene.
ロピレンとの混合比が重量比で 50:50〜90:10 であるこ
とを特徴とする請求項１記載の防蟻電線・ケーブル。2. The termite-proof electric wire / cable according to claim 1, wherein the mixing ratio of nylon 6 and maleic anhydride-modified polypropylene is 50:50 to 90:10 by weight.
末が配合されていることを特徴とする請求項１または２
記載の防蟻電線・ケーブル。3. The composition according to claim 1, wherein red phosphorus and melamine powder are blended in the composition.
Anti-termite wire / cable described.
リプロピレン 100重量部あたり、赤リンが 1〜10重量
部、メラミン粉末が 1〜5 重量部配合されていることを
特徴とする請求項１乃至３のいずれか 1項記載の防蟻電
線・ケーブル。4. The composition according to claim 1, wherein 1 to 10 parts by weight of red phosphorus and 1 to 5 parts by weight of melamine powder are blended per 100 parts by weight of nylon 6 and maleic anhydride-modified polypropylene. Dovetail-proof electric wire / cable according to any one of items.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8013438A JPH09213137A (en) | 1996-01-30 | 1996-01-30 | Ant proofing electric wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8013438A JPH09213137A (en) | 1996-01-30 | 1996-01-30 | Ant proofing electric wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09213137A true JPH09213137A (en) | 1997-08-15 |
Family
ID=11833142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8013438A Withdrawn JPH09213137A (en) | 1996-01-30 | 1996-01-30 | Ant proofing electric wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09213137A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250431A (en) * | 1999-12-27 | 2001-09-14 | Furukawa Electric Co Ltd:The | Insulated wire |
| WO2012026356A1 (en) * | 2010-08-23 | 2012-03-01 | 株式会社オートネットワーク技術研究所 | Anticorrosive polyamide resin composition, and terminated electric wire |
| US8771015B2 (en) | 2010-07-23 | 2014-07-08 | Autonetworks Technologies, Ltd. | Terminal structure of wiring harness |
| WO2017056339A1 (en) * | 2015-10-02 | 2017-04-06 | 未来工業株式会社 | Synthetic resin tube |
| WO2019102760A1 (en) * | 2017-11-24 | 2019-05-31 | 住友電気工業株式会社 | Concentrating solar power generation device |
| JP2020008174A (en) * | 2019-09-19 | 2020-01-16 | 未来工業株式会社 | Manufacturing method of synthetic resin pipe |
| CN111681815A (en) * | 2020-05-26 | 2020-09-18 | 浙江万马股份有限公司 | High-carrying-capacity modified polypropylene insulating multi-core cable |
| CN112017821A (en) * | 2019-05-29 | 2020-12-01 | 国网河南省电力公司桐柏县供电公司 | Fire-resistant cable |
-
1996
- 1996-01-30 JP JP8013438A patent/JPH09213137A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001250431A (en) * | 1999-12-27 | 2001-09-14 | Furukawa Electric Co Ltd:The | Insulated wire |
| US8771015B2 (en) | 2010-07-23 | 2014-07-08 | Autonetworks Technologies, Ltd. | Terminal structure of wiring harness |
| WO2012026356A1 (en) * | 2010-08-23 | 2012-03-01 | 株式会社オートネットワーク技術研究所 | Anticorrosive polyamide resin composition, and terminated electric wire |
| JP2012041494A (en) * | 2010-08-23 | 2012-03-01 | Autonetworks Technologies Ltd | Anticorrosive polyamide resin composition, and terminated electric wire |
| CN103068925A (en) * | 2010-08-23 | 2013-04-24 | 株式会社自动网络技术研究所 | Anticorrosive polyamide resin composition, and terminated electric wire |
| US9663863B2 (en) | 2010-08-23 | 2017-05-30 | Autonetworks Technologies, Ltd. | Anticorrosive polyamide resin composition, and electric wire with terminal |
| JP2017067263A (en) * | 2015-10-02 | 2017-04-06 | 未来工業株式会社 | Synthetic resin-based pipe |
| WO2017056339A1 (en) * | 2015-10-02 | 2017-04-06 | 未来工業株式会社 | Synthetic resin tube |
| CN107530999A (en) * | 2015-10-02 | 2018-01-02 | 未来工业株式会社 | Plastic pipe |
| CN113352714A (en) * | 2015-10-02 | 2021-09-07 | 未来工业株式会社 | Method for manufacturing synthetic resin pipe |
| WO2019102760A1 (en) * | 2017-11-24 | 2019-05-31 | 住友電気工業株式会社 | Concentrating solar power generation device |
| CN112017821A (en) * | 2019-05-29 | 2020-12-01 | 国网河南省电力公司桐柏县供电公司 | Fire-resistant cable |
| JP2020008174A (en) * | 2019-09-19 | 2020-01-16 | 未来工業株式会社 | Manufacturing method of synthetic resin pipe |
| CN111681815A (en) * | 2020-05-26 | 2020-09-18 | 浙江万马股份有限公司 | High-carrying-capacity modified polypropylene insulating multi-core cable |
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| A300 | Withdrawal of application because of no request for examination |
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