公开(公告)号：US6139618A

公开(公告)日：2000-10-31

申请号：US383985

申请日：1999-08-26

申请人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Hiroshi Sumita ,  Hiroko Morii

发明人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Hiroshi Sumita ,  Hiroko Morii

IPC分类号： C09C1/00 ,  C09C1/24 ,  C09C3/06 ,  C09C1/22 ,  C09C1/40

CPC分类号： C09C3/063 ,  B82Y30/00 ,  C09C1/24 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/82 ,  C01P2006/12 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  Y10T428/2991

摘要： A fine yellow composite iron oxide hydroxide pigment of the present invention has an average major axial diameter of not less than 0.005 .mu.m and less than 0.1 .mu.m, which comprises:fine goethite particles as core particles, containing aluminum inside thereof in an amount of 0.05 to 50% by weight, calculated as Al, based on the weight of said core particles; anda composite oxide hydroxide of Fe and Al, coated on the surface of each core particle. Such fine yellow composite iron oxide hydroxide pigment are excellent in transparency and heat resistance.

摘要翻译： 本发明的细黄色复合铁氧化物氢氧化物颜料的平均主轴径为0.005μm以上且小于0.1μm，其特征在于，包括：细小的针铁矿颗粒为核心颗粒，其内部含有铝 0.05〜50重量％，以Al计算，基于所述核心颗粒的重量; 和Fe和Al的复合氧化物氢氧化物，涂覆在每个核心颗粒的表面上。 这种细黄色复合氧化铁氢氧化物颜料的透明性和耐热性优异。

公开(公告)号：US6027559A

公开(公告)日：2000-02-22

申请号：US102054

申请日：1998-06-22

申请人： Hiroko Morii ,  Mineko Ohsugi ,  Kazuyuki Hayashi ,  Hiroshi Sumita

发明人： Hiroko Morii ,  Mineko Ohsugi ,  Kazuyuki Hayashi ,  Hiroshi Sumita

IPC分类号： C08K9/02 ,  C09C1/24 ,  C01G49/06

CPC分类号： B82Y30/00 ,  C08K9/02 ,  C09C1/24 ,  C01P2004/03 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/84 ,  C01P2006/12 ,  C01P2006/60 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C01P2006/66 ,  C01P2006/80 ,  Y10T428/2991

摘要： Yellow iron oxide hydroxide particles comprising:iron oxide hydroxide particle as a core, andcomposite oxide hydroxide of Fe and Al deposited on surface of said iron oxide hydroxide particle as a core wherein the amount of Al in said composite oxide hydroxide is 0.1 to 10% by weight, calculated as Al, based on the weight of said iron oxide hydroxide as a core, the amount of Fe in said composite oxide hydroxide is 0.1 to 50% by weight, calculated as Fe, based on the weight of said iron oxide hydroxide particle as a core, and the ratio of Al to Fe in said composite oxide hydroxide is 0.05:1 to 2:1, calculated as Al and Fe atoms,said yellow iron oxide hydroxide particles having an average major axis diameter of 0.1 to 1.0 .mu.m, an average minor axis diameter of 0.02 to 0.10 .mu.m, an aspect ratio (major axis diameter/minor axis diameter) of 2 to 20, a BET specific surface area of 10 to 180 m.sup.2 /g and a heat-resistance temperature of not less than 255.degree. C. Such yellow iron oxide hydroxide particles not only have an excellent dispersibility and a further improved heat resistance but also exhibit less change in hue between before and after treatment for improving the heat resistance, and a process for producing such particles.

摘要翻译： 黄铁氧化物氢氧化物颗粒包含：以铁氧化物氢氧化物颗粒为核心的铁氧化物氢氧化物颗粒的表面上沉积的Fe和Al的复合氧化物氢氧化物，其中所述复合氧化物氢氧化物中的Al的量为0.1至10％ ，以所述铁氧化物氢氧化物为核心的重量计算，所述复合氧化物氢氧化物中的Fe的量以Fe计算为0.1-50重量％，以所述铁氧化物氢氧化物的重量为基准 粒子为核心，所述复合氧化物氢氧化物中的Al与Fe的比例为Al：Fe和Fe原子计为0.05:1〜2:1，所述黄铁氧化物氢氧化物粒子的平均长轴直径为0.1〜1.0μm m，平均短轴直径为0.02〜0.10μm，纵横比（长轴径/短轴直径）为2〜20，BET比表面积为10〜180m 2 / g，耐热温度为 不低于255℃。这种黄色氧化铁的氢氧化物 e颗粒不仅具有优异的分散性和进一步改善的耐热性，而且在改善耐热性之前和之后表现出较少的色调变化，以及制备这种颗粒的方法。

公开(公告)号：US07022752B2

公开(公告)日：2006-04-04

申请号：US09940866

申请日：2001-08-29

申请人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Keisuke Iwasaki ,  Hiroko Morii

发明人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Keisuke Iwasaki ,  Hiroko Morii

IPC分类号： C08K9/04 ,  C08K3/20

CPC分类号： B82Y30/00 ,  C01P2004/01 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/20 ,  C01P2004/30 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/82 ,  C01P2004/84 ,  C01P2006/12 ,  C01P2006/60 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C01P2006/65 ,  C01P2006/66 ,  C01P2006/80 ,  C09C1/027 ,  C09C1/309 ,  C09C1/3692 ,  C09C3/006 ,  C09C3/12 ,  C09D11/32

摘要： Composite particles having an average particle diameter of 0.001 to 10.0 μm, comprise: white inorganic particles as core particles; a gluing agent coating layer formed on surface of the white inorganic particle; and an organic pigment coat formed onto said gluing agent coating layer in an amount of from 1 to 500 parts by weight based on 100 parts by weight of the white inorganic particles. The composite particles are substantially free from desorption of an organic pigment from the surface thereof and contain no harmful element.

公开(公告)号：US20090220823A1

公开(公告)日：2009-09-03

申请号：US12394473

申请日：2009-02-27

申请人： Hiroko MORII ,  Seiji Ishitani ,  Keisuke Iwasaki ,  Hirofumi Nishikawa ,  Mineko Ohsugi ,  Toshiharu Harada ,  Takahiro Matsuo ,  Yosuke Yamamoto ,  Kazuyuki Hayashi

发明人： Hiroko MORII ,  Seiji Ishitani ,  Keisuke Iwasaki ,  Hirofumi Nishikawa ,  Mineko Ohsugi ,  Toshiharu Harada ,  Takahiro Matsuo ,  Yosuke Yamamoto ,  Kazuyuki Hayashi

IPC分类号： G11B5/706 ,  H01F1/01 ,  B32B5/16

CPC分类号： G11B5/706 ,  B22F1/0059 ,  B22F7/08 ,  B22F2998/10 ,  C22C33/0257 ,  C22C2202/02 ,  H01F1/113 ,  H01F41/0266 ,  Y10T428/2982 ,  B22F1/02 ,  B22F1/0062 ,  B22F3/22 ,  B22F3/18 ,  B22F3/24 ,  B22F9/026 ,  B22F1/0085 ,  B22F9/22

摘要： The present invention relates to ferromagnetic metal particles having a bulk density (ρa) of not more than 0.25 g/cm3, a process for producing the above ferromagnetic metal particles and a magnetic recording medium comprising a non-magnetic substrate; a non-magnetic undercoat layer formed on the non-magnetic substrate which comprises non-magnetic particles and a binder resin; and a magnetic recording layer formed on the non-magnetic undercoat layer which comprises magnetic particles and a binder resin, wherein the above ferromagnetic metal particles were used as the magnetic particles.

摘要翻译： 本发明涉及堆积密度（rhoa）不大于0.25g / cm3的强磁性金属颗粒，制备上述铁磁性金属颗粒的方法和包含非磁性基材的磁记录介质; 形成在非磁性基板上的非磁性底涂层，其包含非磁性颗粒和粘合剂树脂; 以及形成在包含磁性颗粒和粘合剂树脂的非磁性底涂层上的磁记录层，其中使用上述铁磁性金属颗粒作为磁性颗粒。

公开(公告)号：US06800684B2

公开(公告)日：2004-10-05

申请号：US10142946

申请日：2002-05-13

申请人： Kazuyuki Hayashi ,  Hiroko Morii ,  Keisuke Iwasaki ,  Mineko Ohsugi ,  Yusuke Shimohata

发明人： Kazuyuki Hayashi ,  Hiroko Morii ,  Keisuke Iwasaki ,  Mineko Ohsugi ,  Yusuke Shimohata

IPC分类号： C08K334

CPC分类号： C08K9/02 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/40 ,  C08K3/22 ,  C08K3/36 ,  C08K9/06 ,  C09C1/043 ,  C09C1/309 ,  C09C1/3692 ,  C09D7/62 ,  C09D7/67 ,  C09D7/68 ,  C08L21/00

摘要： Composite particles capable of an excellent dispersibility and an excellent light resistance of the present invention have an average particle diameter of 0.001 to 12.0 &mgr;m, comprise: white inorganic particles as core particles; a gluing agent-coating layer formed on at least a parts of the surface of said white inorganic particle; and a black pigment coat composed of carbon black, aniline black or both carbon black and aniline black, formed onto at least a part of the gluing agent-coating layer in an amount of from 1 to 500 parts by weight based on 100 parts by weight of said white inorganic particles.

摘要翻译： 能够得到本发明的优异的分散性和优异的耐光性的复合粒子的平均粒径为0.001〜12.0μm，包含：作为核心粒子的白色无机粒子;形成在至少一部分上的胶合剂涂布层 所述白色无机颗粒的表面; 和由炭黑，苯胺黑或炭黑和苯胺黑组成的黑色颜料涂层，以100重量份的重量份形式在1至500重量份的量的至少一部分胶粘剂涂层上形成 所述白色无机颗粒。

公开(公告)号：US06544647B1

公开(公告)日：2003-04-08

申请号：US09625404

申请日：2000-07-25

申请人： Kazuyuki Hayashi ,  Keisuke Iwasaki ,  Hiroko Morii ,  Mineko Ohsugi

发明人： Kazuyuki Hayashi ,  Keisuke Iwasaki ,  Hiroko Morii ,  Mineko Ohsugi

IPC分类号： B32B530

CPC分类号： B82Y30/00 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/86 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/42 ,  C01P2006/90 ,  C09C1/22 ,  G11B5/738 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2995 ,  Y10T428/2998

摘要： Non-magnetic composite particles composed of non-magnetic core particles having an average particle size of 0.01 to 0.3 &mgr;m, and inorganic fine particles having an average particle size of 0.001 to 0.07 &mgr;m. The fine particles are present in an amount of 0.1 to 20% by weight based on the weight of the non-magnetic particles are on the surface of each non-magnetic particle, and are fixed or anchored on the surface of each non-magnetic particle through a silicon compound.The non-magnetic composite particles have a high polishing effect and a high dispersibility, and are useful as a non-magnetic undercoat layer for a magnetic recording medium.

摘要翻译： 由平均粒径为0.01〜0.3μm的非磁性核粒子和平均粒径为0.001〜0.07μm的无机细颗粒构成的非磁性复合粒子。 相对于每个非磁性颗粒的表面上的非磁性颗粒的重量，细颗粒以0.1至20重量％的量存在，并且固定或锚定在每个非磁性颗粒的表面上 通过硅化合物。非磁性复合颗粒具有高抛光效果和高分散性，并且可用作磁记录介质的非磁性底涂层。

公开(公告)号：US06440561B2

公开(公告)日：2002-08-27

申请号：US09731987

申请日：2000-12-08

申请人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Hiroko Morii

发明人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Hiroko Morii

IPC分类号： B32B904

CPC分类号： B82Y30/00 ,  C01P2002/88 ,  C01P2004/10 ,  C01P2004/20 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2006/12 ,  C01P2006/32 ,  C01P2006/60 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C01P2006/66 ,  C08K3/22 ,  C08K9/04 ,  C08K9/06 ,  C08K9/08 ,  C09C1/24 ,  C09D7/62 ,  C09D7/67 ,  C09D7/68 ,  Y10T428/2991 ,  Y10T428/2995 ,  Y10T428/2998

摘要： Iron oxide hydroxide composite particles having an average particle diameter of 0.005 to 1.0 &mgr;m, comprises: iron oxide hydroxide particles as core particles, a coating formed on surface of said iron oxide hydroxide particles, comprising at least one organosilicon compound selected from the group consisting of: (1) organosilane compounds obtainable from alkoxysilane compounds, and (2) polysiloxanes or modified polysiloxanes, and an organic pigment coat formed on said coating layer comprising said organosilicon compound, in an amount of from 1 to 30 parts by weight based on 100 parts by weight of said iron oxide hydroxide particles. The iron oxide hydroxide composite particles of the present invention contain no harmful elements and exhibit not only excellent chemical resistances such as acid resistance and alkali resistance, but also excellent heat resistance.

摘要翻译： 平均粒径为0.005〜1.0μm的铁氧化物氢氧化物复合粒子，包含铁氧化物氢氧化物颗粒作为核心颗粒，在所述铁氧化物氢氧化物颗粒的表面上形成的涂层，其包含至少一种选自以下的有机硅化合物： ：（1）由烷氧基硅烷化合物得到的有机硅烷化合物，和（2）聚硅氧烷或改性聚硅氧烷，以及在包含所述有机硅化合物的所述涂层上形成的有机颜料涂层，其量为1〜30重量份，基于100重量份 所述铁氧化物氢氧化物颗粒的重量。 本发明的铁氧化物氢氧化物复合体颗粒不含有害元素，并且不仅具有耐酸性，耐碱性等优异的耐化学性，而且耐热性也优异。

公开(公告)号：US20100035087A1

公开(公告)日：2010-02-11

申请号：US12535978

申请日：2009-08-05

申请人： Hiroko Morii ,  Keisuke Iwasaki ,  Seiji Ishitani ,  Mineko Ohsugi ,  Shinji Horie ,  Toshiharu Harada ,  Takehiro Matsuo ,  Yosuke Yamamoto ,  Kazuyuki Hayashi

发明人： Hiroko Morii ,  Keisuke Iwasaki ,  Seiji Ishitani ,  Mineko Ohsugi ,  Shinji Horie ,  Toshiharu Harada ,  Takehiro Matsuo ,  Yosuke Yamamoto ,  Kazuyuki Hayashi

IPC分类号： G11B5/712 ,  B22F9/20 ,  B32B15/02

CPC分类号： G11B5/714 ,  B22F1/0025 ,  B22F9/22 ,  B22F2998/10 ,  B82Y30/00 ,  C22C2202/02 ,  G11B5/70642 ,  Y10T428/12014 ,  B22F2201/05 ,  B22F2201/013

摘要： The present invention relates to ferromagnetic metal particles having an average major axis diameter (L) of 10 to 100 nm which satisfy a relationship between the average major axis diameter (L) and a particle SFD represented by the following formula: Particle SFD≦0.0001 L2−0.0217 L+1.75; a process for producing the ferromagnetic metal particles; and a magnetic recording medium using the ferromagnetic metal particles.

摘要翻译： 本发明涉及平均长轴直径（L）为10〜100nm的强磁性金属颗粒，其满足平均长轴直径（L）和由下式表示的颗粒SFD之间的关系：颗粒SFD 产生铁磁金属颗粒; 以及使用该强磁性金属粒子的磁记录介质。

公开(公告)号：US06824867B2

公开(公告)日：2004-11-30

申请号：US10355058

申请日：2003-01-31

申请人： Kazuyuki Hayashi ,  Keisuke Iwasaki ,  Hiroko Morii ,  Mineko Ohsugi

发明人： Kazuyuki Hayashi ,  Keisuke Iwasaki ,  Hiroko Morii ,  Mineko Ohsugi

IPC分类号： G11B570

CPC分类号： B82Y30/00 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/86 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/42 ,  C01P2006/90 ,  C09C1/22 ,  G11B5/738 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2995 ,  Y10T428/2998

摘要： Non-magnetic composite particles composed of non-magnetic core particles having an average particle size of 0.01 to 0.3 &mgr;m, and inorganic fine particles having an average particle size of 0.001 to 0.07 &mgr;m. The fine particles are present in an amount of 0.1 to 20% by weight based on the weight of the non-magnetic particles are on the surface of each non-magnetic particle, and are fixed or anchored on the surface of each non-magnetic particle through a silicon compound The non-magnetic composite particles have a high polishing effect and a high dispersibility, and are useful as a non-magnetic undercoat layer for a magnetic recording medium.

摘要翻译： 由平均粒径为0.01〜0.3μm的非磁性核粒子和平均粒径为0.001〜0.07μm的无机细颗粒构成的非磁性复合粒子。 相对于每个非磁性颗粒的表面上的非磁性颗粒的重量，细颗粒以0.1至20重量％的量存在，并且固定或锚定在每个非磁性颗粒的表面上 通过硅化合物非磁性复合颗粒具有高抛光效果和高分散性，并且可用作磁记录介质的非磁性底涂层。

公开(公告)号：US6019834A

公开(公告)日：2000-02-01

申请号：US35054

申请日：1998-03-05

申请人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Hiroko Morii ,  Mamoru Kamigaki

发明人： Kazuyuki Hayashi ,  Mineko Ohsugi ,  Hiroko Morii ,  Mamoru Kamigaki

IPC分类号： B05D7/24 ,  C08J3/12 ,  C09B67/08 ,  C09C3/00 ,  C09C3/08 ,  C09D5/00 ,  C09D5/02 ,  C09D7/00 ,  C09D7/12 ,  C09C1/00

CPC分类号： B82Y30/00 ,  C09B67/0008 ,  C09C3/006 ,  C09C3/08 ,  C09D7/007 ,  C09D7/1225 ,  C09D7/1275 ,  C09D7/1283 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/20 ,  C01P2004/32 ,  C01P2004/38 ,  C01P2004/41 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/86 ,  C01P2006/12 ,  C01P2006/60 ,  C01P2006/80 ,  C08K3/0033 ,  C08K9/04 ,  Y10T428/2991

摘要： A pigment of the present invention comprises:pigment particle as core particle;a lower coat formed on at least a part of surface of the pigment particle, comprising squaric acid, polyol having an anthraquinone skeleton represented by the general formula (I): ##STR1## wherein m is an integer of 0 to 4, n is an integer of 0 to 4 and m+n is an integer of 2 to 4,or a mixture of the squaric acid and the polyol having an anthraquinone skeleton represented by the general formula (I); andan upper coat formed on at least a part of surface of the obtained particle, comprising at least one alkylene glycol represented by the general formula (II):C.sub.q H.sub.2q (OH).sub.2 (II)wherein q is an integer of 2 to 10.Such pigment has excellent dispersion facility, dispersion homogeneity and dispersion stability, and is suitably used for not only organic solvent-type paints but also water-based paints.

摘要翻译： 本发明的颜料包括：作为核心颗粒的颜料颗粒; 在所述颜料颗粒的表面的至少一部分上形成的下层，包含方酸，具有由通式（I）表示的蒽醌骨架的多元醇：其中，m为0〜4的整数，n为0以下的整数 至4，m + n为2〜4的整数，或由通式（I）表示的具有蒽醌骨架的方酸和多元醇的混合物。 以及在所得颗粒的至少一部分表面上形成的上涂层，其包含至少一种由通式（II）表示的亚烷基二醇：CqH2q（OH）2（II），其中q为2至10的整数。 这种颜料具有优异的分散性，分散均匀性和分散稳定性，不仅适用于有机溶剂型涂料，而且适用于水性涂料。