公开(公告)号：US5196586A

公开(公告)日：1993-03-23

申请号：US742760

申请日：1991-08-09

申请人： Hiro Matsuda ,  Shuji Okada ,  Hachiro Nakanishi ,  Masao Kato ,  Minoru Ohsugi ,  Shigeru Takaragi ,  Nanao Horiishi

发明人： Hiro Matsuda ,  Shuji Okada ,  Hachiro Nakanishi ,  Masao Kato ,  Minoru Ohsugi ,  Shigeru Takaragi ,  Nanao Horiishi

IPC分类号： C07C43/225 ,  C07C211/52 ,  C08F138/00

CPC分类号： C07C43/225 ,  C07C211/52 ,  C08F138/00

摘要： Disclosed herein are polydiphenyldiacetylenes having the following repeating unit (III): ##STR1## (wherein R.sup.1 denotes a hydrogen atom or a methoxy group; R.sup.2 denotes a hydrogen atom, a methoxy group or a methylamino group; R.sup.3 denotes a hydrogen atom or a trifluoromethyl group; and R.sup.4 denotes a hydrogen atom or a trifluoromethyl group; provided that R.sup.1 is not a hydrogen atom when R.sup.2 is hydrogen atom, and R.sup.3 is not a hydrogen atom when R.sup.4 is hydrogen atom).

摘要翻译： 本文公开了具有以下重复单元（III）的聚二苯基二乙炔：其中，R 1表示氢原子或甲氧基; R 2表示氢原子，甲氧基或甲基氨基; R 3表示氢原子 或三氟甲基; R 4表示氢原子或三氟甲基;条件是当R 2为氢原子时，R 1不为氢原子，当R 4为氢原子时，R 3不为氢原子）。

公开(公告)号：US5123989A

公开(公告)日：1992-06-23

申请号：US536103

申请日：1990-06-11

申请人： Nanao Horiishi ,  Kotaro Hirayama ,  Masanori Terasaki ,  Tetsuro Toda ,  Shigeru Takaragi

发明人： Nanao Horiishi ,  Kotaro Hirayama ,  Masanori Terasaki ,  Tetsuro Toda ,  Shigeru Takaragi

IPC分类号： B29C65/36 ,  C08J5/12 ,  H05B6/02

CPC分类号： C08J5/124 ,  B29C65/3612 ,  B29C65/4885 ,  B29C66/91221 ,  B29C66/91411 ,  B29C66/91431 ,  B29C66/91631 ,  B29C66/91651 ,  B29C65/3668 ,  B29C65/3696 ,  B29C65/4875 ,  B29C66/71 ,  B29C66/721

摘要： Disclosed herein is a method for bonding a resin part, which comprises disposing a magnetic complex composed of a resin and magnetic particles as a heating-medium at the resin parts to be bonded, and applying an alternating magnetic field to the heating-medium by using a magnetic field generating means composed of an electromagnetic core and an exciting coil, thereby making said heating-medium generate heat for fuse-bonding said resins.

公开(公告)号：US06787059B2

公开(公告)日：2004-09-07

申请号：US10388239

申请日：2003-03-14

申请人： Shigeru Takaragi ,  Minoru Ohsugi ,  Takahiro Araki ,  Takayoshi Ohara

发明人： Shigeru Takaragi ,  Minoru Ohsugi ,  Takahiro Araki ,  Takayoshi Ohara

IPC分类号： H01F1113

CPC分类号： H01F1/083 ,  H01F1/0558 ,  H01F1/113

摘要： A resing composition for bonded magnet of the present invention comprises: magnetic particles; and an aromatic polyamide resin comprising an aromatic carboxylic acid and an aliphatic diamine, which has a molar rational of residual end carboxyl groups to residual end amino groups of 0.1 to 1.0 and a solution viscosity of not more than 1.1 dl/g. The resin composition for bonded magnet is excellent inmoldability, and a bonded magnet using such a resing composition is excellent in mechanical strength and heat resistance.

摘要翻译： 本发明的粘结磁铁用组合物包括：磁性颗粒; 芳族羧酸和脂族二胺的芳香族聚酰胺树脂，残留末端羧基与残留末端氨基的摩尔数相对于0.1〜1.0，溶液粘度不大于1.1dl / g。 用于粘结磁体的树脂组合物具有优异的可模塑性，并且使用这种组合物的粘结磁体的机械强度和耐热性优异。

公开(公告)号：US08741170B2

公开(公告)日：2014-06-03

申请号：US12572728

申请日：2009-10-02

申请人： Yasuhiko Fujii ,  Minoru Ohsugi ,  Yasushi Nishio ,  Yosuke Koyama ,  Shigeru Takaragi

发明人： Yasuhiko Fujii ,  Minoru Ohsugi ,  Yasushi Nishio ,  Yosuke Koyama ,  Shigeru Takaragi

IPC分类号： C04B35/26 ,  C04B35/64

CPC分类号： H01F1/01 ,  C01G49/0036 ,  C01P2002/52 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/42 ,  C09C1/22 ,  H01F1/113 ,  H01F1/42 ,  H01F41/0273 ,  Y10T428/2982

摘要： The present invention relates to ferrite particles for bonded magnet, having a volume-average particle diameter of 2.1 to 2.7 μm and a particle diameter x90 of 4.3 to 5.4 μm wherein the x90 represents a particle diameter at which a cumulative percentage of particles under sieve (undersize particles) based on a volume thereof is 90%, when determined from a particle size distribution thereof measured by using a laser diffraction type particle size distribution measuring apparatus.

摘要翻译： 本发明涉及体积平均粒径为2.1〜2.7μm，粒径×90为4.3〜5.4μm的粘结磁体用铁氧体颗粒，其中，x90表示筛子下颗粒的累积百分数 当通过使用激光衍射型粒度分布测量装置测量的粒度分布确定时，基于其体积的小尺寸颗粒为90％。

公开(公告)号：US20100065771A1

公开(公告)日：2010-03-18

申请号：US12572728

申请日：2009-10-02

申请人： Yasuhiko FUJII ,  Minoru Ohsugi ,  Yasushi Nishio ,  Yosuke Koyama ,  Shigeru Takaragi

发明人： Yasuhiko FUJII ,  Minoru Ohsugi ,  Yasushi Nishio ,  Yosuke Koyama ,  Shigeru Takaragi

IPC分类号： H01F1/26 ,  B32B5/16

CPC分类号： H01F1/01 ,  C01G49/0036 ,  C01P2002/52 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/42 ,  C09C1/22 ,  H01F1/113 ,  H01F1/42 ,  H01F41/0273 ,  Y10T428/2982

摘要： The present invention relates to ferrite particles for bonded magnet, having a volume-average particle diameter of 2.1 to 2.7 μm and a particle diameter x90 of 4.3 to 5.4 μm wherein the x90 represents a particle diameter at which a cumulative percentage of particles under sieve (undersize particles) based on a volume thereof is 90%, when determined from a particle size distribution thereof measured by using a laser diffraction type particle size distribution measuring apparatus.

摘要翻译： 本发明涉及体积平均粒径为2.1〜2.7μm，粒径×90为4.3〜5.4μm的粘结磁体用铁氧体颗粒，其中，x90表示筛子下颗粒的累积百分数 当通过使用激光衍射型粒度分布测量装置测量的粒度分布确定时，基于其体积的小尺寸颗粒为90％。

公开(公告)号：US20100108935A1

公开(公告)日：2010-05-06

申请号：US12530963

申请日：2008-03-14

申请人： Yasuhiko Fujii ,  Yasushi Nishio ,  Kazuhisa Kanefuji ,  Tatsuya Ishida ,  Shigeru Takaragi

发明人： Yasuhiko Fujii ,  Yasushi Nishio ,  Kazuhisa Kanefuji ,  Tatsuya Ishida ,  Shigeru Takaragi

IPC分类号： H01F1/42 ,  H01F1/01

CPC分类号： C01G49/0036 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/42 ,  C04B35/2683 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/444 ,  C04B2235/447 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/604 ,  C09C1/24 ,  H01F1/113

摘要： The present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which exhibit a good moldability, in particular, a good mechanical strength even when rapidly quenched upon injection-cooling, and is capable of producing a bonded magnet molded product having excellent magnetic properties, as well as a bonded magnet molded product such as a magnet roll using the ferrite particles and the resin composition. There are provided ferrite particles for bonded magnets which comprise phosphorus adsorbed and/or incorporated in ferrite, in which a content of the phosphorus in the ferrite is 120 to 5000 mg/kg (0.012 to 0.50% by weight) in terms of P; a resin composition for bonded magnets; and a magnet roll.

摘要翻译： 本发明涉及粘结磁铁用铁氧体颗粒和粘结磁体用树脂组合物，其即使在注射冷却时迅速淬火也具有良好的成型性，特别是具有良好的机械强度，并且能够制造具有 优良的磁特性，以及使用铁氧体颗粒和树脂组合物的粘结磁体模制产品如磁辊。 提供了铁素体中含磷量为120〜5000mg / kg（0.012〜0.50重量％）的铁素体中的磷吸附和/或并入铁素体的粘结磁铁用铁氧体粒子， 用于粘结磁体的树脂组合物; 和磁辊。

公开(公告)号：US06300401B1

公开(公告)日：2001-10-09

申请号：US09263084

申请日：1999-03-08

申请人： Yasuhiko Fujii ,  Shigeru Takaragi ,  Tetsuro Toda ,  Tomohisa Moriya

发明人： Yasuhiko Fujii ,  Shigeru Takaragi ,  Tetsuro Toda ,  Tomohisa Moriya

IPC分类号： C08K322

CPC分类号： C08L69/00 ,  C08K3/22 ,  C08L71/12 ,  C08L53/00 ,  C08L2666/24

摘要： The disclosure described a material having a damping property, comprising 100 parts by weight of a binder resin composed of 85 to 99% by weight of at least one base resin selected from the group consisting of polypropylenes, polystyrenes, acrylonitrile-butadiene-styrene copolymers, polycarbonates, polyphenylene ethers and modified polyphenylene ethers and 1 to 15% by weight of styrene-isoprene-styrene block copolymer, and 1 to 20 parts by weight of iron compound particles.

摘要翻译： 该公开内容描述了具有阻尼性质的材料，其包含100重量份的由85-99重量％的至少一种选自聚丙烯，聚苯乙烯，丙烯腈 - 丁二烯 - 苯乙烯共聚物， 聚碳酸酯，聚苯醚和改性聚苯醚和1〜15重量％的苯乙烯 - 异戊二烯 - 苯乙烯嵌段共聚物和1〜20重量份的铁化合物颗粒。

公开(公告)号：US5108862A

公开(公告)日：1992-04-28

申请号：US480492

申请日：1990-02-16

申请人： Souichiro Kishimoto ,  Tsutomu Sakaida ,  Yoshiaki Echigo ,  Keiichi Asami ,  Tetsuro Toda ,  Kazuo Fujioka ,  Eiichi Kurita ,  Toshiyuki Hakata ,  Shigeru Takaragi

发明人： Souichiro Kishimoto ,  Tsutomu Sakaida ,  Yoshiaki Echigo ,  Keiichi Asami ,  Tetsuro Toda ,  Kazuo Fujioka ,  Eiichi Kurita ,  Toshiyuki Hakata ,  Shigeru Takaragi

IPC分类号： G03G9/10 ,  G03G9/107 ,  G03G9/113

CPC分类号： G03G9/1075 ,  G03G9/10 ,  G03G9/1135

摘要： Disclosed herein are composite carrier particles for electrophotography comprising 80 to 99% by weight of ferromagnetic fine particles and a phenol resin, and having a number-average particle diameter of 10 to 1,000 .mu.m, a bulk density of not more than 2.0 g /cm.sup.3, and a curved surface configuration, and a process for producing the same.

公开(公告)号：US09249033B2

公开(公告)日：2016-02-02

申请号：US12530963

申请日：2008-03-14

申请人： Yasuhiko Fujii ,  Yasushi Nishio ,  Kazuhisa Kanefuji ,  Tatsuya Ishida ,  Shigeru Takaragi

发明人： Yasuhiko Fujii ,  Yasushi Nishio ,  Kazuhisa Kanefuji ,  Tatsuya Ishida ,  Shigeru Takaragi

IPC分类号： H01F1/113 ,  C09C1/24 ,  C01G49/00 ,  C04B35/26

CPC分类号： C01G49/0036 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/42 ,  C04B35/2683 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3215 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/444 ,  C04B2235/447 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/604 ,  C09C1/24 ,  H01F1/113

摘要： The present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which exhibit a good moldability, in particular, a good mechanical strength even when rapidly quenched upon injection-cooling, and is capable of producing a bonded magnet molded product having excellent magnetic properties, as well as a bonded magnet molded product such as a magnet roll using the ferrite particles and the resin composition. There are provided ferrite particles for bonded magnets which comprise phosphorus adsorbed and/or incorporated in ferrite, in which a content of the phosphorus in the ferrite is 120 to 5000 mg/kg (0.012 to 0.50% by weight) in terms of P; a resin composition for bonded magnets; and a magnet roll.

摘要翻译： 本发明涉及粘结磁铁用铁氧体颗粒和粘结磁体用树脂组合物，其即使在注射冷却时迅速淬火也具有良好的成型性，特别是具有良好的机械强度，并且能够制造具有 优良的磁特性，以及使用铁氧体颗粒和树脂组合物的粘结磁体模制产品如磁辊。 提供了铁素体中含磷量为120〜5000mg / kg（0.012〜0.50重量％）的铁素体中的磷吸附和/或并入铁素体的粘结磁铁用铁氧体粒子， 用于粘结磁体的树脂组合物; 和磁辊。

公开(公告)号：US5118587A

公开(公告)日：1992-06-02

申请号：US553807

申请日：1990-07-18

申请人： Shigeru Takaragi ,  Toshiyuki Hakata ,  Kazuo Fujioka ,  Tetsuro Toda

发明人： Shigeru Takaragi ,  Toshiyuki Hakata ,  Kazuo Fujioka ,  Tetsuro Toda

IPC分类号： G03G9/083

CPC分类号： G03G9/0839 ,  G03G9/0836 ,  G03G9/0838 ,  Y10S430/104

摘要： Disclosed herein are magnetic particles used for an electrostatic latent image developer comprising composite particles containing from more than 80% by weight to not more than 99% by weight of fine ferromagnetic particles and a cured phenol resin, and having a number-average particle diameter of from not less than 1 .mu.m to less than 10 .mu.m and an apparent density of not greater than 1.5 g/cm.sup.3.