公开(公告)号：JP2012251150A

公开(公告)日：2012-12-20

申请号：JP2012158259

申请日：2012-07-17

Applicant: Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社

Inventor： KIKUCHI HIDEYUKI ,  YUKIMORI YUZO

IPC: C09D179/08 ,  C08G18/60 ,  H01B3/30 ,  H01B7/02

Abstract: PROBLEM TO BE SOLVED: To provide a polyamideimide resin insulation coating material which has a high partial discharge inception voltage by achieving a low dielectric constant while maintaining heat resistance, mechanical properties, oil resistance, etc., and to provide an insulation wire using the same.SOLUTION: The polyamideimide resin insulation coating material is obtained by dissolving in a polar solvent, a polyamideimide resin not containing a halogen atom in the molecular chain. The polyamideimide resin is obtained by: blending an aromatic diisocyanate component (B) having two or less benzene rings to an aromatic imide prepolymer including an amine component comprising only an aromatic diamine component (E) having three or more benzene rings and an acid component comprising an aromatic tricarboxylic acid anhydride (C) and an aromatic tetracarboxylic acid dianhydride (D) as a monomer; and reacting them. The ratio M/N of a molecular weight (M) per repeating unit of the polyamideimide resin to average pieces (N) of amide groups and imide groups is 200 or more.

Abstract translation: 要解决的问题：提供一种通过在保持耐热性，机械性能，耐油性等的同时实现低介电常数而具有高局部放电起始电压的聚酰胺酰亚胺树脂绝缘涂层材料，并提供绝缘线 使用相同 解决方案：聚酰胺酰亚胺树脂绝缘涂料通过在极性溶剂中溶解，在分子链中不含卤素原子的聚酰胺酰亚胺树脂获得。 聚酰胺酰亚胺树脂通过以下方法获得：将具有两个或更少苯环的芳族二异氰酸酯组分（B）与芳族酰亚胺预聚物共混，所述芳族酰亚胺预聚物包括仅含有三个或更多个苯环的芳族二胺组分（E）的胺组分和包含 芳族三羧酸酐（C）和芳族四羧酸二酐（D）作为单体; 并对它们做出反应。 每个聚酰胺酰亚胺树脂重复单元的分子量（M）与酰胺基和酰亚胺基的平均片数（N）的比M / N为200以上。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP5081258B2

公开(公告)日：2012-11-28

申请号：JP2010024032

申请日：2010-02-05

Applicant: 日立マグネットワイヤ株式会社

Inventor： 英行 菊池 ,  雄三 行森

IPC: C09D179/08 ,  C08G18/60 ,  C08G73/14 ,  C09D5/25 ,  H01B3/30 ,  H01B7/02

公开(公告)号：JP5080915B2

公开(公告)日：2012-11-21

申请号：JP2007239493

申请日：2007-09-14

Applicant: 日立マグネットワイヤ株式会社 ,  オート化学工業株式会社

Inventor： 孝彦 花田 ,  健次 浅野 ,  英行 菊池 ,  謙吾 室内 ,  雄二 高野 ,  公 菅原

IPC: C09D181/06 ,  C09D4/00 ,  C09D7/12 ,  C09D171/00 ,  H01B7/00 ,  H01B7/02

公开(公告)号：JP2011150823A

公开(公告)日：2011-08-04

申请号：JP2010009716

申请日：2010-01-20

Applicant: Hitachi Cable Ltd ,  Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社 ,  日立電線株式会社

Inventor： YAMAZAKI TAKANORI ,  WATANABE KIYOSHI ,  ABE JUNICHI ,  KIKUCHI HIDEYUKI ,  HINO DAISUKE

IPC: H01B3/30 ,  H01B7/00 ,  H01B7/02

Abstract: PROBLEM TO BE SOLVED: To provide an insulated electric wire which has heat resistance and adhesiveness equal to or higher than a conventional insulating coating, and is higher in partial discharge start voltage than a conventional product with the same insulating coating thickness as the conventional product. SOLUTION: The insulated wire 10 has an insulating coating composed of a plurality of coating layers including at least one extrusion coating layer formed on a conductor. The at least one extrusion coating layer is an extrusion coated layer of a resin composition obtained by mixing at least one resin (A) selected from a group composed of polymethyl pentene, isotactic polypropylene and syndiotactic polypropylene with a resin (B) mainly composed of at least one selected from a resin group (B1) composed of thermoplastic polyamide, thermoplastic polyimide, polyether imide, a polyphenylene sulfide and an ethylene glycidyl methacrylate copolymer and a resin group (B2) composed of resins obtained by modifying resins of the resin group composed of polymethyl pentene, isotactic polypropylene and syndiotactic polypropylene with maleic anhydride or glycidyl methacrylate. In the resin composition, the resin (A) and the resin (B) are mixed in a range of "(B)/(A)=5/95-40/60" by a part-weight ratio. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种绝缘电线，其具有等于或高于常规绝缘涂层的耐热性和粘合性，并且具有比具有相同绝缘涂层厚度的常规产品更高的局部放电起始电压 常规产品。 解决方案：绝缘线10具有由多个涂层组成的绝缘涂层，其包括形成在导体上的至少一个挤出涂层。 所述至少一个挤出涂布层是通过将选自由聚甲基戊烯，全同立构聚丙烯和间规聚丙烯组成的组中的至少一种树脂（A）与主要由以下组成的树脂（B）混合而获得的树脂组合物的挤出涂布层： 选自由热塑性聚酰胺，热塑性聚酰亚胺，聚醚酰亚胺，聚苯硫醚，乙烯缩水甘油酯共聚物构成的树脂组（B1）中的至少一种，以及由树脂组成的树脂（B2）组成的树脂组 聚甲基戊烯，全同立构聚丙烯和间同立构聚丙烯与马来酸酐或甲基丙烯酸缩水甘油酯。 在树脂组合物中，树脂（A）和树脂（B）以“（B）/（A）= 5 / 95-40 / 60”的范围内以部分重量比混合。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011142030A

公开(公告)日：2011-07-21

申请号：JP2010002605

申请日：2010-01-08

Applicant: Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社

Inventor： GOTO MASAYOSHI

IPC: H01B13/16 ,  H01B13/00

CPC classification number: H01B7/08 ,  B05C1/04 ,  B05C3/12 ,  B05C3/125 ,  B05D7/20 ,  C03C25/12 ,  C03C25/18 ,  H01B13/065 ,  H01B13/16 ,  H01B13/24

Abstract: PROBLEM TO BE SOLVED: To provide a coating die for a flat enameled wire, restraining thickness-unequalizing phenomenon to form an insulating film having a uniform thickness extending over the whole circumference and whole length of a flat type conductor wire with good stability. SOLUTION: This coating die includes: a solid die body 31; and a die hole 32 provided in the solid die body 31 to insert the flat conductor wire through. The die hole 32 includes: an introduction part monotonously gradually decreased in open area as it goes along the direction of inserting the flat conductor wire; and a coating part having at least an area where the open area is uniform. The opening shape of the coating part is a rectangle having four flat parts and four rounded corner parts, and a plurality of projections 33 projected toward the inside of the die hole are formed on each inner surface of the four flat parts. The apexes of the plurality of projections 33 each have a sectional form of a circular arc, an oblong arc or an elliptic arc vertical to the direction of penetrating the flat conductor wire, and the curvature of each apex is larger than that of each of the rounded corner parts. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 解决问题的方案为了提供一种扁平漆包线的涂布模具，抑制厚度不均等的现象，形成了具有均匀厚度的绝缘膜，该绝缘膜在整个圆周上延伸，并且具有良好的稳定性的扁平导体导线的整个长度 。 该涂布模具包括：固体模具主体31; 以及设置在固体模具主体31中以将扁平导线穿过的裸露孔32。 模孔32包括：导入部沿着沿着插入扁平导线的方向逐渐减小开放面积; 以及至少具有开口面积均匀的区域的涂布部。 涂布部分的开口形状是具有四个平坦部分和四个圆角部分的矩形，并且在四个平坦部分的每个内表面上形成有朝向模孔的内部突出的多个突起33。 多个突起33的顶点各自具有垂直于穿过扁平导线的方向的圆弧，长圆弧或椭圆弧的截面形状，并且每个顶点的曲率大于每个顶点的曲率 圆角部件。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011003375A

公开(公告)日：2011-01-06

申请号：JP2009144957

申请日：2009-06-18

Applicant: Hitachi Cable Ltd ,  Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社 ,  日立電線株式会社

Inventor： HONDA YUKI ,  ABE TOMIYA ,  KIKUCHI HIDEYUKI

IPC: H01B7/02 ,  C08L79/08 ,  C08L101/00

Abstract: PROBLEM TO BE SOLVED: To provide an insulated wire including an insulating coat having mechanical property and heat resistance equal to or greater than the insulating coat of a conventional insulated wire, and improved partial discharge starting voltage by actualizing a lower dielectric constant.SOLUTION: The insulated wire includes the insulating coat formed of a polymer alloy including an amorphous thermosetting resin and an amorphous thermoplastic resin. The insulating coat has a sea-island structure, where the amorphous thermosetting resin forms a sea component of the sea-island structure and the amorphous thermoplastic resin forms an island component of the sea-island structure.

Abstract translation: 要解决的问题：提供一种绝缘线，其包括具有等于或大于常规绝缘线的绝缘层的机械性能和耐热性的绝缘涂层，以及通过实现较低的介电常数来改善的局部放电起始电压。解决方案： 绝缘线包括由包括无定形热固性树脂和非晶态热塑性树脂的聚合物合金形成的绝缘涂层。 绝缘涂层具有海岛结构，其中无定型热固性树脂形成海岛结构的海成分，非晶态热塑性树脂形成海岛结构的岛成分。

公开(公告)号：JP2010287476A

公开(公告)日：2010-12-24

申请号：JP2009141169

申请日：2009-06-12

Applicant: Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社

Inventor： KARASAWA NAOKI

IPC: H01B7/02 ,  H01B7/00 ,  H01B13/00 ,  H01B13/16

Abstract: PROBLEM TO BE SOLVED: To provide an enameled wire capable of restraining expansion at the time of winding a coil and preventing exposure of a conductor, and a method of manufacturing the same. SOLUTION: An insulating film 3 is formed on the periphery of the conductor 2, tension members 4 are prepared inside the insulating film 3. The enameled wire has high tensile strength due to the tension members 4, and hardly extends since the tension members 4 play a role of protection to external force. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够在卷绕线圈时抑制膨胀并防止导体暴露的漆包线及其制造方法。 解决方案：在导体2的周围形成绝缘膜3，在绝缘膜3的内部制备张力构件4.漆包线由于张力构件4而具有高拉伸强度，并且由于张力几乎不延伸 会员4起到保护外力的作用。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010232170A

公开(公告)日：2010-10-14

申请号：JP2010048787

申请日：2010-03-05

Applicant: Hitachi Cable Ltd ,  Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社 ,  日立電線株式会社

Inventor： SETOGAWA AKIRA ,  ABE TOMIYA ,  TAKANO YUJI

IPC: H01B7/02

CPC classification number: H01B3/30 ,  H01B3/441

Abstract: PROBLEM TO BE SOLVED: To provide an insulated electric wire having superior coil insertability and neither turbidity nor defective appearance of a coating.
SOLUTION: In the insulated electric wire in which at least a lubricant-added lubricant layer is formed on a conductor, in the lubricant layer, the lubricant is aggregated, and a granular material having sizes of 5-3 μm is scattered on the surface.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供具有优异的线圈插入性和浊度以及涂层外观不均匀的绝缘电线。 解决方案：在导体上至少形成润滑剂添加润滑剂层的绝缘电线中，在润滑剂层中，润滑剂被聚集，并且尺寸为5-3μm的颗粒材料散布在 表面。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2009123403A

公开(公告)日：2009-06-04

申请号：JP2007293808

申请日：2007-11-13

Applicant: Hitachi Cable Ltd ,  Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社 ,  日立電線株式会社

Inventor： ANDO YOSHIYUKI ,  HONDA YUKI ,  SETOGAWA AKIRA ,  ABE TOMIYA ,  GOTO MASAYOSHI ,  YUKIMORI YUZO

IPC: H01B7/00 ,  H01B13/00

Abstract: PROBLEM TO BE SOLVED: To provide an insulated electric wire in which adhesiveness is large at normal temperature, and there is less reduction of adhesiveness after heat degradation, and to provide its manufacturing method.
SOLUTION: An outer circumference of a conductor 2 is covered by a coat 3 composed of aluminum chelate, and the outer circumference of the coat 3 is covered by an insulating coat 4 by coating and baking an enamel coating that is composed of a resin composition containing either one of polyester imide, polyamide imide, polyimide, polyester, or polyurethane.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：为了提供常温下粘合性大的绝缘电线，并且热劣化后的粘合性降低较少，并且提供其制造方法。

解决方案：导体2的外周被由铝螯合物构成的涂层3覆盖，并且涂层3的外周被绝缘涂层4覆盖，通过涂覆和烘烤由 含有聚酯酰亚胺，聚酰胺酰亚胺，聚酰亚胺，聚酯或聚氨酯中的任何一种的树脂组合物。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2005304223A

公开(公告)日：2005-10-27

申请号：JP2004118967

申请日：2004-04-14

Applicant: Denso Corp ,  Hitachi Cable Ltd ,  Hitachi Magnet Wire Corp ,  日立マグネットワイヤ株式会社 ,  日立電線株式会社 ,  株式会社デンソー

Inventor： SUZUKI KAZUNORI ,  ASANO KENJI ,  MASUBUCHI SHIGEHARU ,  ASAI HIROMITSU ,  KOIKE AKIHITO ,  TAKEDA HIROAKI

IPC: H02K3/04

Abstract: PROBLEM TO BE SOLVED: To provide an enamel wire high in the reliability of an insulating coating in the vicinity of a welded part at the time of welding, and insulating paint for use therein. SOLUTION: This stator coil for an alternator is engaged with and inserted into a slot of a stator core, and composed by connecting a plurality of short-length and small-diameter coils 10. The short-length small-diameter coil 10 has at least two layers composed of an innermost insulating layer 23 around a rectangular conductor 21 of a polyimide coating and an outermost insulating layer 24 formed of a polyamide-imide coating, and is constituted of the rectangular enamel wire 20 having an adhesion strength of 40g/mm or higher to the rectangular conductor 21 and the innermost insulating layer 23. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供在焊接时在焊接部附近的绝缘涂层的可靠性高的搪瓷丝，以及用于其中的绝缘涂料。 解决方案：用于交流发电机的该定子线圈与定子铁芯的槽接合并插入定子铁芯的槽中，并且通过连接多个短长度和小直径线圈10构成。短长度小直径线圈10 具有由聚酰亚胺涂层的矩形导体21周围的最内层绝缘层23和由聚酰胺 - 酰亚胺涂层形成的最外层绝缘层24构成的至少两层，由具有40g粘合强度的矩形搪瓷丝20构成 / mm或更高。矩形导体21和最内层绝缘层23.版权所有（C）2006，JPO＆NCIPI