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1.发明授权Method for preparing magnetic paint and magnetic recording medium comprising the same 失效制备磁性涂料的方法和包含该磁性涂料的磁记录介质公开(公告)号：US07981310B2
公开(公告)日：2011-07-19
申请号：US12043538
申请日：2008-03-06
IPC分类号： C09D5/23
CPC分类号： G11B5/84 , H01F1/0027 , H01F1/083
摘要： A magnetic paint is prepared by a method comprising a surface-treating step for magnetic powder, to obtain a first composition by mixing and stirring a composition which comprises a magnetic powder, a dispersant and/or a binder resin, and an organic solvent, and which contains 40% by weight or less of a non-solvent component, while applying a shear force to the composition; and a concentrating step to obtain a second composition by concentrating the first composition until the content of the non-solvent components of the first composition reaches 80% by weight or more.
摘要翻译： 通过包括磁性粉末的表面处理步骤的方法制备磁性涂料，通过混合和搅拌包含磁性粉末，分散剂和/或粘合剂树脂和有机溶剂的组合物获得第一组合物，以及 其包含40重量％以下的非溶剂成分，同时对组合物施加剪切力; 以及浓缩步骤，通过浓缩第一组合物获得第二组合物，直到第一组合物的非溶剂组分的含量达到80重量％以上。
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公开(公告)号：US08124256B2
公开(公告)日：2012-02-28
申请号：US11201157
申请日：2005-08-11
申请人： Sadamu Kuse , Kazuhiko Nakiri
发明人： Sadamu Kuse , Kazuhiko Nakiri
IPC分类号： G11B5/706
摘要： A magnetic recording medium with excellent high density recording performances and good durability comprising a non-magnetic substrate, a non-magnetic layer containing a non-magnetic powder and a binder formed on the non-magnetic substrate, and a magnetic layer having a thickness of less than 100 nm and containing a substantially particulate non-magnetic powder, a substantially particulate magnetic powder having an average particle size of less than 25 nm, and a binder, wherein an average particle size R of the non-magnetic powder contained in the magnetic layer and a thickness D of the magnetic powder satisfy the following relationship: 0.88≦R/D≦2.5.
摘要翻译： 一种具有优异的高密度记录性能和良好耐久性的磁记录介质，包括非磁性基板，含有非磁性粉末的非磁性层和形成在非磁性基板上的粘合剂，以及具有厚度为 小于100nm，并且含有基本上颗粒的非磁性粉末，平均粒度小于25nm的基本上颗粒的磁性粉末和粘合剂，其中包含在磁性材料中的非磁性粉末的平均粒径R 层和磁粉的厚度D满足以下关系：0.88＆nlE; R / D＆nlE; 2.5。
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公开(公告)号：US07722969B2
公开(公告)日：2010-05-25
申请号：US11107914
申请日：2005-04-18
申请人： Kazuhiko Nakiri , Sadamu Kuse
发明人： Kazuhiko Nakiri , Sadamu Kuse
IPC分类号： G11B5/716
摘要： A magnetic tape comprising a non-magnetic support, a primer layer formed on one surface of the support, a magnetic layer formed on the primer layer, and a back layer formed on the other surface of the support, in which the tape has a total thickness of 4.0 to 5.4 μm, at least one of the primer layer and the magnetic layer contains a fatty acid amide, and an amount of the fatty acid amide extracted from the side of the magnetic layer with n-hexane is from 0.5 to 1.5 mg/cm3.
摘要翻译： 一种磁带，包括非磁性载体，形成在载体的一个表面上的底漆层，形成在底漆层上的磁性层，以及形成在载体的另一个表面上的背层，其中胶带具有总共 厚度为4.0〜5.4μm，底层和磁性层中的至少一层含有脂肪酸酰胺，用正己烷从磁性层一侧提取的脂肪酸酰胺的量为0.5〜1.5mg / cm3。
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4.发明申请METHOD FOR PREPARING MAGNETIC PAINT AND MAGNETIC RECORDING MEDIUM COMPRISING THE SAME 失效用于制备包含其的磁性涂料和磁记录介质的方法公开(公告)号：US20080220291A1
公开(公告)日：2008-09-11
申请号：US12043538
申请日：2008-03-06
CPC分类号： G11B5/84 , H01F1/0027 , H01F1/083
摘要： A magnetic paint is prepared by a method comprising a surface-treating step for magnetic powder, to obtain a first composition by mixing and stirring a composition which comprises a magnetic powder, a dispersant and/or a binder resin, and an organic solvent, and which contains 40% by weight or less of a non-solvent component, while applying a shear force to the composition; and a concentrating step to obtain a second composition by concentrating the first composition until the content of the non-solvent components of the first composition reaches 80% by weight or more.
摘要翻译： 通过包括磁性粉末的表面处理步骤的方法制备磁性涂料，通过混合和搅拌包含磁性粉末，分散剂和/或粘合剂树脂和有机溶剂的组合物获得第一组合物，以及 其包含40重量％以下的非溶剂成分，同时对组合物施加剪切力; 以及浓缩步骤，通过浓缩第一组合物获得第二组合物，直到第一组合物的非溶剂组分的含量达到80重量％以上。
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公开(公告)号：US20060035114A1
公开(公告)日：2006-02-16
申请号：US11201157
申请日：2005-08-11
申请人： Sadamu Kuse , Kazuhiko Nakiri
发明人： Sadamu Kuse , Kazuhiko Nakiri
IPC分类号： G11B5/706
摘要： A magnetic recording medium with excellent high density recording performances and good durability comprising a non-magnetic substrate, a non-magnetic layer containing a non-magnetic powder and a binder formed on the non-magnetic substrate, and a magnetic layer having a thickness of less than 100 nm and containing a substantially particulate non-magnetic powder, a substantially particulate magnetic powder having an average particle size of less than 25 nm, and a binder, wherein an average particle size R of the non-magnetic powder contained in the magnetic layer and a thickness D of the magnetic powder satisfy the following relationship: 0.88≦R/D≦2.5.
摘要翻译： 一种具有优异的高密度记录性能和良好耐久性的磁记录介质，包括非磁性基板，含有非磁性粉末的非磁性层和形成在非磁性基板上的粘合剂，以及具有厚度为 小于100nm，并且含有基本上颗粒的非磁性粉末，平均粒度小于25nm的基本上颗粒的磁性粉末和粘合剂，其中包含在磁性材料中的非磁性粉末的平均粒径R 层和磁粉的厚度D满足以下关系：0.88 <= R / D <= 2.5。
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公开(公告)号：US20050271903A1
公开(公告)日：2005-12-08
申请号：US11107914
申请日：2005-04-18
申请人： Kazuhiko Nakiri , Sadamu Kuse
发明人： Kazuhiko Nakiri , Sadamu Kuse
IPC分类号： C10M105/68 , C10N30/08 , C10N40/18 , C10N50/02 , G11B5/187 , G11B5/70 , G11B5/71 , G11B5/735 , G11B5/738 , G11B5/78 , G11B5/842
摘要： A magnetic tape comprising a non-magnetic support, a primer layer formed on one surface of the support, a magnetic layer formed on the primer layer, and a back layer formed on the other surface of the support, in which the tape has a total thickness of 4.0 to 5.4 μm, at least one of the primer layer and the magnetic layer contains a fatty acid amide, and an amount of the fatty acid amide extracted from the side of the magnetic layer with n-hexane is from 0.5 to 1.5 mg/cm3.
摘要翻译： 一种磁带，包括非磁性载体，形成在载体的一个表面上的底漆层，形成在底漆层上的磁性层，以及形成在载体的另一个表面上的背层，其中胶带具有总共 厚度为4.0〜5.4μm，底层和磁性层中的至少一层含有脂肪酸酰胺，使用正己烷从磁性层一侧提取的脂肪酸酰胺的量为0.5〜1.5mg / cm 3。
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