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JPH04115412A - insulated wire - Google Patents

insulated wire

Info

Publication number
JPH04115412A
JPH04115412A JP23634890A JP23634890A JPH04115412A JP H04115412 A JPH04115412 A JP H04115412A JP 23634890 A JP23634890 A JP 23634890A JP 23634890 A JP23634890 A JP 23634890A JP H04115412 A JPH04115412 A JP H04115412A
Authority
JP
Japan
Prior art keywords
insulated wire
aromatic polyamide
aromatic
processing
solution
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
Application number
JP23634890A
Other languages
Japanese (ja)
Inventor
Isao Kamioka
上岡 勇夫
Koichi Iwata
岩田 幸一
Hironori Matsuura
裕紀 松浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP23634890A priority Critical patent/JPH04115412A/en
Publication of JPH04115412A publication Critical patent/JPH04115412A/en
Pending legal-status Critical Current

Links

Landscapes

  • Insulated Conductors (AREA)
  • Paints Or Removers (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To obtain an insulated wire having improved mechanical strength and processing resistance by applying and baking all aromatic polyamide paints synthesized by low temperature solution polymerization on a conductor to a prescribed thickness. CONSTITUTION:A prescribed amount of aromatic terephtalic acid chloride and P-phenylene diamine are dissolved into N-methyl pyrrolidon of prganic polar solvent. Further, a solution obtained by dissolving all aromatic polyamide, where lithium chloride of inorganic salt is added and synthesized by a low temperature polymerization method, into sulphuric acid to the concentration of about 15%, is applied and baked on a conductive wire to a prescribed thickness. The solution is opaque while showing a liquid crystalline property by stirring. Further, all aromatic polyamide improves an anti-wear property of a film while improving processing-resistance. Thereby, an insulated wire having excellent mechanical strength and improved processing with standing property can be obtained.

Description

【発明の詳細な説明】 (1)産業上の利用分野 本発明は優れた捲線加工性をもつ絶縁電線に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION (1) Industrial Application Field The present invention relates to an insulated wire with excellent winding properties.

(2)従来技術とその問題点 絶縁電線を用いてコイルを製造する場合、高速自動捲線
機が使用される様になってきている。絶縁電線は捲線加
工時にニードル、プーリー等によって傷つけられ、レヤ
ーショートやアース不良等の不良を起す事が有り、捲線
速度が向上するにつれ不良率も増加するため、その対策
が問題となっている。このような問題に対し、従来より
絶縁電線に潤滑性を付与し、摩擦係数を下げ、機械的損
傷を出来る限り小さくする試みがなされ、効果を上げて
いる。しかし、不良が完全になくなったわけではなく、
絶縁電線に潤滑性を付与するだけでは限界がある事が明
らかになってきた。さらに、最近では、モータの効率化
、小型化にともない、絶縁電線をよりせまいスロット内
に押し入れるようになってきた。そのため、従来にも増
して、加工時にキズの入りにくい、耐マモウ性に優れた
絶縁電線が要求されるようになっている。
(2) Prior art and its problems When manufacturing coils using insulated wires, high-speed automatic winding machines have come to be used. Insulated wires can be damaged by needles, pulleys, etc. during the winding process, resulting in defects such as layer shorts and ground failures.As the winding speed increases, the defective rate also increases, so countermeasures have become a problem. To address these problems, attempts have been made to provide lubricity to insulated wires, lower the coefficient of friction, and minimize mechanical damage, and these attempts have been successful. However, defects have not completely disappeared,
It has become clear that there are limits to simply adding lubricity to insulated wires. Furthermore, in recent years, as motors have become more efficient and smaller, insulated wires have come to be forced into narrower slots. For this reason, there is an increasing demand for insulated wires that are less susceptible to scratches during processing and have excellent resistance to marring than ever before.

絶縁電線に潤滑性を付与し、摩擦係数を下げただけでは
、絶縁電線にかかる力を逃がすだけであり力が直接かか
ってきた時には皮膜が損傷を受ける事をさける事が出来
ない。従って皮膜自体を加工に対して強くする必要が生
じている。
Simply adding lubricity to the insulated wire and lowering the coefficient of friction will only release the force applied to the insulated wire, and will not prevent the coating from being damaged when force is directly applied. Therefore, there is a need to make the film itself resistant to processing.

本発明は、絶縁電線に潤滑性を付与するだけでなく、皮
膜自体の耐摩耗性を向上させ、耐加工性に優れた絶縁電
線を提供するものである。
The present invention provides an insulated wire that not only provides lubricity to the insulated wire but also improves the wear resistance of the coating itself and has excellent processing resistance.

(3)発明の構成 本発明は全芳香族ポリアミド塗料を導体上に直接又は他
の絶縁材料を介して塗布・焼付した事を特徴とする絶縁
電線に関するものである。
(3) Structure of the Invention The present invention relates to an insulated wire characterized in that a wholly aromatic polyamide paint is coated and baked onto a conductor either directly or via another insulating material.

本発明において全芳香族ポリアミドとは芳香族残基をア
ミド結合でつないだポリマーで通常は芳香族の酸クロラ
イドと芳香族のジアミンより合成される。代表的な合成
方法としては低温溶液重縮合法がある。低温溶液重縮合
法はジメチルアセトアミド、ヘキサメチルホスホルアミ
ド、N−メチルピロリドン、ジメチルイミダシリン、N
−メチルカプロラクタム、テトラメチル尿素等の有機極
性溶媒中で室温以下の温度で反応させる方法で、上記溶
媒中に塩化リチウム、塩化カルシウム、塩化マグネシウ
ム、炭酸マグネシウム、炭酸リチウム、炭酸カルシウム
、臭化リチウム、水酸化リチウム等の無機塩を添加する
とより重合度の高いものが得られる。
In the present invention, fully aromatic polyamide is a polymer in which aromatic residues are connected through amide bonds, and is usually synthesized from aromatic acid chloride and aromatic diamine. A typical synthesis method is a low temperature solution polycondensation method. The low temperature solution polycondensation method uses dimethylacetamide, hexamethylphosphoramide, N-methylpyrrolidone, dimethylimidacyline, N
- A method in which lithium chloride, calcium chloride, magnesium chloride, magnesium carbonate, lithium carbonate, calcium carbonate, lithium bromide, When an inorganic salt such as lithium hydroxide is added, a product with a higher degree of polymerization can be obtained.

他の重合方法としては界面重合法、固相重合法、低温懸
濁法、アミド交換法等がある。
Other polymerization methods include interfacial polymerization, solid phase polymerization, low-temperature suspension method, and amide exchange method.

芳香族酸クロライドとしては、テレフタル酸クロライド
、イソフタル酸クロライ・ド、44′−ジフェニルジカ
ルボン酸クロライド、2.6−ナフタレンジカルボン酸
クロライド、ヤ、以上のクロライドの芳香族にアルキル
基、ハロゲン基をもつものが使用出来、芳香族ジアミン
としては、p−フェニレンジアミン、m−7エニレンジ
アミン、4.4’ジアミノジフエニルエーテル、4.4
’−ジアミノジフェニルメタン、4.4’−ジアミノジ
フェニルスルホン、4.4′−ジアミノジフェニルエー
テル、33′−ジアミノジフエニルスルホン、4.4′
−ジアミノベンズアニリド、3.41−ジアミノベンズ
アニリド、ナフタレンジアミン、や、以上のジアミンの
芳香族にアルキル基、ハロゲン基をもつものが使用出来
る。上記の材料を2種以上組み合せて使用する事も可能
である。
Examples of aromatic acid chlorides include terephthalic acid chloride, isophthalic acid chloride, 44'-diphenyldicarboxylic acid chloride, 2,6-naphthalenedicarboxylic acid chloride, and the above chlorides having an alkyl group or a halogen group in the aromatic group. Examples of aromatic diamines include p-phenylene diamine, m-7 enylene diamine, 4.4'diaminodiphenyl ether, and 4.4'diaminodiphenyl ether.
'-Diaminodiphenylmethane, 4.4'-Diaminodiphenyl sulfone, 4.4'-Diaminodiphenyl ether, 33'-Diaminodiphenyl sulfone, 4.4'
-diaminobenzanilide, 3,41-diaminobenzanilide, naphthalenediamine, and the above diamines having an alkyl group or a halogen group in the aromatic group can be used. It is also possible to use a combination of two or more of the above materials.

これら全芳香族ポリアミドは、皮膜の耐摩耗性を向上さ
せ、耐加工性を改善する。
These wholly aromatic polyamides improve the abrasion resistance and processing resistance of the coating.

以上の全芳香族ポリアミドの中では、溶媒に溶解した時
液晶性を有するものが機械強度がより大きく、特に好ま
しい。
Among the above-mentioned wholly aromatic polyamides, those having liquid crystallinity when dissolved in a solvent are particularly preferred because they have higher mechanical strength.

本発明においては、全芳香族ポリアミドを絶縁物を介し
て塗布・焼付する事もよい。
In the present invention, it is also possible to apply and bake the wholly aromatic polyamide through an insulator.

絶縁材料としては、通常使用されるものであればいかな
るものでもよいが、例えば、ポリビニルホルマール、エ
ポキシ、ウレタン、ポリエステル、ポリエステルイミ 
ド、ポリアミ トイ ミ ド、ポリイミド、ポリエステ
ルアミドイミド、ポリパラバン酸、ポリヒダントイン等
がある。
Any commonly used insulating material may be used, but examples include polyvinyl formal, epoxy, urethane, polyester, and polyesterimide.
Examples include polyamide, polyamideimide, polyimide, polyesteramideimide, polyparabanic acid, and polyhydantoin.

又、本発明の絶縁電線に固形パラフィン、シリコン等を
塗布したり、ワックス類を水分散させ、熱硬化性樹脂の
バインダーを加えた焼付型潤滑剤を塗布・焼付したり、
全芳香族ポリアミド塗料にワックス、PTFE、シリコ
ンを加え絶縁皮膜に潤滑性を持たせる等して、絶縁電線
の潤滑性を向上させる事も可能である。
Furthermore, the insulated wire of the present invention may be coated with solid paraffin, silicone, etc., or a baking type lubricant prepared by dispersing wax in water and adding a thermosetting resin binder may be coated and baked.
It is also possible to improve the lubricity of the insulated wire by adding wax, PTFE, or silicone to the wholly aromatic polyamide paint to impart lubricity to the insulating film.

以ドの実施例にて本発明の詳細な説明するが、本発明は
以下の実施例に限定されるものではない。
The present invention will be explained in detail in the following examples, but the present invention is not limited to the following examples.

(比較例1) ポリアミドイミド塗料(日立化成社製商品名H1−40
6)を1. Omm $の銅導体上に皮膜厚0.035
mm(比較例1〕、皮膜厚0.020 mm (比較例
2)となるように塗布・焼付した。
(Comparative Example 1) Polyamide-imide paint (trade name: H1-40 manufactured by Hitachi Chemical Co., Ltd.
6) to 1. Coating thickness 0.035 on copper conductor of Omm $
mm (Comparative Example 1) and 0.020 mm (Comparative Example 2).

得られたポリアミドイミド絶縁電線の特性を測定した結
果を表1に示した。
Table 1 shows the results of measuring the characteristics of the obtained polyamide-imide insulated wire.

〔実施例1〕 p−フェニレンジアミン54.1 / (0,5モル)
、塩化リチウム78/、をNメチルピロリドン1B20
Pに溶解し、温度的0°Cまで冷却した。
[Example 1] p-phenylenediamine 54.1 / (0.5 mol)
, lithium chloride 78/, N-methylpyrrolidone 1B20
P and cooled to a temperature of 0°C.

テレフタル酸クロライド101.57(0,5モル)を
反応温度が20°C以下になるように冷却しながら徐々
に加えた。
101.57 (0.5 mol) of terephthalic acid chloride was gradually added with cooling so that the reaction temperature was below 20°C.

テレフタル酸クロライドを添加完了した後約2時間混合
した後、多量の水に注ぎ、濾過する事によりp−フェニ
レンテレフタルアミド樹脂ヲ得り。
After completing the addition of terephthalic acid chloride, the mixture was mixed for about 2 hours, poured into a large amount of water, and filtered to obtain p-phenylene terephthalamide resin.

得られた樹脂を硫酸に濃度15%に溶解したところ、溶
液は不透明で、攪拌によりしま模様の光沢が発生し液晶
性を示した。
When the obtained resin was dissolved in sulfuric acid to a concentration of 15%, the solution was opaque, and when stirred, a striped gloss appeared and exhibited liquid crystallinity.

上記溶液を1.0 mm pfの銅導体上に皮膜厚0.
020mmとなるように塗布・焼付した。
The above solution was applied to a 1.0 mm pf copper conductor in a film thickness of 0.0 mm.
It was coated and baked to a thickness of 0.020 mm.

得られた芳香族ポリアミド絶縁電線の特性を表1に示し
た。
Table 1 shows the characteristics of the obtained aromatic polyamide insulated wire.

(実施例2) p−フェニレンジアミンの代すにm−フェニレンジアミ
ン、テレフタル酸クロライドの代りにイソフタル酸クロ
ライドを用いたほかは実施例1と同様にして、m−フニ
ーレンイソフタルアミド樹脂を合成した。
(Example 2) An m-phenylene isophthalamide resin was synthesized in the same manner as in Example 1, except that m-phenylene diamine was used instead of p-phenylene diamine, and isophthaloyl chloride was used instead of terephthaloyl chloride. .

得られた樹脂を実施例1と同様に硫酸に濃度15%に溶
解したが、溶液は液晶性を示さなかった。
The obtained resin was dissolved in sulfuric acid to a concentration of 15% in the same manner as in Example 1, but the solution did not exhibit liquid crystallinity.

上記溶液を実施例1と同様にして絶縁電線を作製した。An insulated wire was produced using the above solution in the same manner as in Example 1.

得られた芳香族ポリアミド絶縁電線の特性を表1に示し
た。
Table 1 shows the characteristics of the obtained aromatic polyamide insulated wire.

(4)発明の効果 実施例で示されるように、本発明の全芳香族ポリアミド
を塗布・焼付した絶縁電線は機械強度に優れ、従来のも
のより耐加工性が向上する事が期待され、その工業的価
値は大きい。
(4) Effects of the Invention As shown in the examples, the insulated wire coated and baked with the fully aromatic polyamide of the present invention is expected to have excellent mechanical strength and improved workability compared to conventional wires. It has great industrial value.

Claims (2)

【特許請求の範囲】[Claims] (1)全芳香族ポリアミド塗料を導体上に直接又は他の
絶縁材料を介して塗布・焼付した事を特徴とする絶縁電
線。
(1) An insulated wire characterized by applying and baking a wholly aromatic polyamide paint directly onto a conductor or through another insulating material.
(2)全芳香族ポリアミド塗料が液晶性を有する特許請
求の範囲第1項記載の絶縁電線。
(2) The insulated wire according to claim 1, wherein the wholly aromatic polyamide paint has liquid crystallinity.
JP23634890A 1990-09-05 1990-09-05 insulated wire Pending JPH04115412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23634890A JPH04115412A (en) 1990-09-05 1990-09-05 insulated wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23634890A JPH04115412A (en) 1990-09-05 1990-09-05 insulated wire

Publications (1)

Publication Number Publication Date
JPH04115412A true JPH04115412A (en) 1992-04-16

Family

ID=16999480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23634890A Pending JPH04115412A (en) 1990-09-05 1990-09-05 insulated wire

Country Status (1)

Country Link
JP (1) JPH04115412A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06196025A (en) * 1992-12-22 1994-07-15 Sumitomo Electric Ind Ltd Insulated wire
WO2011007575A1 (en) * 2009-07-16 2011-01-20 日本化薬株式会社 Resin composition, and optical fiber and electric wire each comprising same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06196025A (en) * 1992-12-22 1994-07-15 Sumitomo Electric Ind Ltd Insulated wire
WO2011007575A1 (en) * 2009-07-16 2011-01-20 日本化薬株式会社 Resin composition, and optical fiber and electric wire each comprising same
JP5860282B2 (en) * 2009-07-16 2016-02-16 日本化薬株式会社 Resin composition and optical fiber and electric wire using the same

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