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1. 发明授权

US6030689A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US6030689A
公开(公告)日：2000-02-29
申请号：US916905
申请日：1997-08-21
申请人： Satoshi Matsubaguchi , Hiroo Inaba , Yuichiro Murayama
发明人： Satoshi Matsubaguchi , Hiroo Inaba , Yuichiro Murayama
IPC分类号： B32B27/40 , C09D175/00 , C09D175/04 , G11B5/702 , G11B5/716 , G11B5/738
CPC分类号： G11B5/716 , G11B5/7021 , G11B5/7022 , G11B5/738 , Y10S428/90 , Y10T428/24355 , Y10T428/25 , Y10T428/257 , Y10T428/265 , Y10T428/31609
摘要： A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon at least two coating layers which comprise:a lower coating layer mainly comprising (1) at least one particles selected from nonmagnetic particles or soft magnetic particles and (2) a binder, formed on the support, anda magnetic layer comprising ferromagnetic particles dispersed in a binder, formed on the lower coating layer,wherein at least said lower coating layer contains a polyurethane resin having a cyclic structure and containing an ether group, and said nonmagnetic particles or soft magnetic particles contained in said lower coating layer have an average long axis length of from 0.04 to 0.20 .mu.m and an acicular ratio (long axis/short axis) of from 2 to 10.It is a high-output, low-noise magnetic recording medium having excellent magnetic-layer surface properties and satisfactory running durability.
摘要翻译：公开了一种磁记录介质，包括其上具有至少两个涂层的非磁性载体，其包括：主要包含（1）至少一种选自非磁性颗粒或软磁性颗粒的颗粒和（2）粘合剂的下涂层，形成在所述下涂层上形成有包含分散在粘合剂中的铁磁性粒子的磁性层，其中，至少所述下涂层含有具有环状结构且含有醚基的聚氨酯树脂，所述非磁性粒子或软质所述下涂层所含的磁性粒子的平均长轴长度为0.04〜0.20μm，针状比（长轴/短轴）为2〜10。是高输出，低噪声的磁记录介质具有优异的磁性层表面性能和令人满意的运行耐久性。

2. 发明授权

US07005203B2 Magnetic recording medium 有权
标题翻译：磁记录介质
公开(公告)号：US07005203B2
公开(公告)日：2006-02-28
申请号：US10653932
申请日：2003-09-04
申请人： Satoshi Matsubaguchi , Yuichiro Murayama
发明人： Satoshi Matsubaguchi , Yuichiro Murayama
IPC分类号： G11B5/702
CPC分类号： G11B5/7021 , G11B5/70 , G11B5/7023 , G11B5/725
摘要： Provided is a magnetic recording medium that exhibits excellent electromagnetic characteristics especially in recording and reproducing systems using an MR head, as well as has excellent long-term preservation property. The magnetic recording medium comprises a lower layer comprising a nonmagnetic powder or a ferromagnetic powder and a binder and at least one magnetic layer thereover comprising a ferromagnetic powder and a binder on a support. Said binder comprised in the lower layer and/or magnetic layer comprises a polyurethane, said polyurethane is polyurethane (1) prepared from a chain extending agent, an organic diisocyanate, and a polyester polyol which comprises a dibasic acid component and a diol component, wherein the dibasic acid component comprises an aliphatic dibasic acid component and 70 molar percent or more of the diol component is derived from a diol having an alkyl branched side chain comprising two or more carbon atoms without a ring structure, or said polyurethane is polyurethane (2) prepared from a chain extending agent which comprises an alkyl branched aliphatic diol comprising three or more of total carbon atoms in a branched side chain per molecule, an organic diisocyanate, and a polyester polyol which comprises a dibasic acid component and a diol component, wherein the dibasic acid component comprises an aliphatic dibasic acid component and 70 molar percent or more of the diol component is derived from an alkyl branched aliphatic diol having a branched side chain of which total carbon atoms per molecule is two or more, and magnitude of saturation magnetic flux density (φm) ranges from 150 to 400 G·μm.
摘要翻译：提供了一种磁记录介质，其特别是在使用MR磁头的记录和再现系统中具有优异的电磁特性，并且具有优异的长期保存性能。磁记录介质包括由非磁性粉末或铁磁性粉末和粘结剂构成的下层，以及至少一个包含铁磁粉末和载体上的粘合剂的磁性层。包含在下层和/或磁性层中的所述粘合剂包括聚氨酯，所述聚氨酯是由链增长剂，有机二异氰酸酯和包含二元酸组分和二醇组分的聚酯多元醇制备的聚氨酯（1），其中二元酸组分包含脂族二元酸组分，并且70摩尔％或更多的二醇组分衍生自具有烷基支链侧链的二醇，其具有两个或多个没有环结构的碳原子，或者所述聚氨酯是聚氨酯（2）由包含分子中支链侧链中总共碳原子数三个以上的烷基支链脂肪族二醇，有机二异氰酸酯和含有二元酸成分和二醇成分的聚酯多元醇构成的链延长剂制备，其中，二元酸组分包含脂族二元酸组分，70摩尔％或更多的二元醇组分衍生自fr 具有每分子总碳原子数为2以上的支链侧链的烷基支链脂族二醇，饱和磁通密度（phim）的量级为150〜400Ggm。

3. 发明授权

US06815055B2 Magnetic recording medium 有权
标题翻译：磁记录介质
公开(公告)号：US06815055B2
公开(公告)日：2004-11-09
申请号：US10196418
申请日：2002-07-17
申请人： Satoshi Matsubaguchi , Yuichiro Murayama , Nobuyoshi Asada
发明人： Satoshi Matsubaguchi , Yuichiro Murayama , Nobuyoshi Asada
IPC分类号： G11B571
CPC分类号： G11B5/71 , G11B5/7021 , Y10T428/31609
摘要： A magnetic recording medium is disclosed, comprising a support having thereon a lower layer containing a nonmagnetic powder or a ferromagnetic powder dispersed in a binder, and at least a magnetic layer containing a ferromagnetic powder dispersed in a binder provided on the lower layer, wherein the binder contains a polyurethane resin obtained from a polyester polyol comprising a specific diol, a chain extending agent and an organic diisocyanate, and the magnetic layer surface has a C/Fe peak ratio of from 7 to 11.
摘要翻译：公开了一种磁记录介质，包括其上具有包含分散在粘合剂中的非磁性粉末或铁磁粉末的下层的支撑体，以及至少包含分散在设置在下层上的粘合剂中的铁磁性粉末的磁性层，其中，粘合剂含有由包含特定二醇，扩链剂和有机二异氰酸酯的聚酯多元醇获得的聚氨酯树脂，并且磁性层表面的C / Fe峰比率为7至11。

4. 发明授权

US6074724A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US6074724A
公开(公告)日：2000-06-13
申请号：US918864
申请日：1997-08-26
申请人： Hiroo Inaba , Kiyomi Ejiri , Masaki Suzuki , Koji Naoe , Yuichiro Murayama , Hiroaki Takano
发明人： Hiroo Inaba , Kiyomi Ejiri , Masaki Suzuki , Koji Naoe , Yuichiro Murayama , Hiroaki Takano
IPC分类号： G11B5/702 , G11B5/706
CPC分类号： B82Y15/00 , G11B5/7021 , G11B5/7022 , G11B5/70621 , Y10S428/90 , Y10T428/24355 , Y10T428/25 , Y10T428/257 , Y10T428/265
摘要： A magnetic recording medium is disclosed, which comprises a support having thereon a magnetic layer comprising a binder and a ferromagnetic powder dispersed therein, wherein said binder comprises a polyurethane resin having at least one cyclic hydrocarbon group and at least one ether linkage, and said ferromagnetic powder is a ferromagnetic metallic powder which comprises Fe and has a mean major-axis length of from 0.05 to 0.19 .mu.m and a crystallite size of from 100 to 230 .ANG.; and further a magnetic recording medium is disclosed, comprising a support having thereon in succession an undercoat layer comprising a binder U and an inorganic powder dispersed therein and a magnetic layer comprising a binder M and a ferromagnetic powder dispersed therein, wherein at least either of the binder U or M comprises a polyurethane resin having at least one cyclic hydrocarbon group and at least one ether linkage and said ferromagnetic powder is a ferromagnetic metallic powder which comprises Fe and has a mean major-axis length of from 0.05 to 0.19 .mu.m and a crystallite size of from 100 to 230 .ANG..
摘要翻译：公开了一种磁记录介质，其包括其上具有包含粘合剂和分散在其中的铁磁粉末的磁性层的载体，其中所述粘合剂包含具有至少一个环状烃基和至少一个醚键的聚氨酯树脂，并且所述铁磁性粉末是含铁的铁磁性金属粉末，其平均长轴长度为0.05至0.19μm，微晶尺寸为100至230安培; 并且还公开了一种磁记录介质，包括其上连续地具有包含粘合剂U和分散在其中的无机粉末的底涂层的支撑体和包含粘合剂M和分散在其中的铁磁性粉末的磁性层，其中，粘合剂U或M包含具有至少一个环状烃基和至少一个醚键的聚氨酯树脂，并且所述铁磁性粉末是包含Fe并且具有0.05至0.19μm的平均长轴长度的铁磁性金属粉末，以及微晶尺寸为100至230安培。

5. 发明授权

US08415419B2 Hydrophilic coating composition and hydrophilic member using the same 有权
标题翻译：亲水性涂料组合物和使用其的亲水性成分
公开(公告)号：US08415419B2
公开(公告)日：2013-04-09
申请号：US12600198
申请日：2008-05-15
申请人： Sumiaki Yamasaki , Satoshi Tanaka , Yuichiro Murayama , Yoshiaki Kondo
发明人： Sumiaki Yamasaki , Satoshi Tanaka , Yuichiro Murayama , Yoshiaki Kondo
IPC分类号： C08K3/34
CPC分类号： C09D143/04 , C09D5/00 , C09D5/165 , C09D143/00 , C09D201/10 , Y10T428/31529 , Y10T428/31605 , Y10T428/31678
摘要： To provide a hydrophilic coating composition excellent in hydrophilicity, wear resistance, transparency, storage stability, antifogging properties, antifouling properties, visible light transmittivity, adhesion properties, chemical resistance, weather resistance, and water resistance and a hydrophilic member using the composition. The hydrophilic coating composition has (A) a ternary copolymer having a1) a repeating unit having a hydrophilic group, a2) a repeating unit having a hydroxyl group, an epoxy group, an isocyanato group, a blocked isocyanato group, a carboxylic acid anhydride group, or an amino group, and a3) a repeating unit having a hydrolyzable silyl group; and (B) a metal complex catalyst, wherein a content of the repeating unit a1) having a hydrophilic group is 50 mol % or greater.
摘要翻译：提供亲水性，耐磨性，透明性，保存稳定性，防雾性，防污性，可见光透过性，粘合性，耐化学性，耐候性和耐水性以及使用该组合物的亲水性成分优异的亲水性涂料组合物。亲水性涂料组合物具有（A）具有a1）具有亲水基团的重复单元的三元共聚物，a2）具有羟基的重复单元，环氧基，异氰酸基，封端异氰酸酯基，羧酸酐基或氨基，和a3）具有可水解甲硅烷基的重复单元; 和（B）金属配合物催化剂，其中具有亲水基团的重复单元a1）的含量为50摩尔％以上。

6. 发明申请

US20110108262A1 HYDROPHILIC MEMBER, FIN STOCK, ALUMINUM-MADE FIN STOCK, HEAT EXCHANGER AND AIR CONDITIONER 审中-公开
标题翻译：水泥会员，FIN FIN FIN，，FIN ER ER ER ER ER ER ER ER ER ER ER ER ER
公开(公告)号：US20110108262A1
公开(公告)日：2011-05-12
申请号：US12934949
申请日：2009-03-25
申请人： Sumiaki Yamasaki , Satoshi Tanaka , Yuichiro Murayama , Yoshiaki Kondo
发明人： Sumiaki Yamasaki , Satoshi Tanaka , Yuichiro Murayama , Yoshiaki Kondo
IPC分类号： F28F7/00 , C08L83/00
CPC分类号： C09D201/10 , C08F220/56 , F28F2245/02 , C08F230/08
摘要： A hydrophilic member endowed with sufficient hydrophilicity and excellent in the water resistance, antifouling property and scratch resistance can be provided, which is a hydrophilic member comprising a base material having provided thereon a hydrophilic film formed from a hydrophilic composition containing (A-1) a hydrophilic polymer having at least one hydrolyzable alkoxysilyl group on the polymer side chain and (B) a metal complex catalyst, wherein the water swelling degree of the hydrophilic film is 1.5 times or less.
摘要翻译：可以提供具有足够的亲水性并且具有优异的耐水性，防污性和耐刮擦性的亲水性构件，该亲水构件是一种亲水构件，其包括在其上设置有由亲水性组合物形成的亲水性膜的基材，所述亲水性膜包含（A-1）a 在聚合物侧链上具有至少一个可水解的烷氧基甲硅烷基的亲水性聚合物和（B）金属配合物催化剂，其中亲水性膜的水溶胀度为1.5倍以下。

7. 发明申请

US20100196724A1 HYDROPHILIC FILM FORMING COMPOSITION AND HYDROPHILIC MEMBER 审中-公开
标题翻译：成膜组合物和水凝胶成膜
公开(公告)号：US20100196724A1
公开(公告)日：2010-08-05
申请号：US12680168
申请日：2008-09-25
申请人： Sumiaki Yamasaki , Satoshi Tanaka , Hiyoku Nakata , Yuichiro Murayama , Yoshiaki Kondo
发明人： Sumiaki Yamasaki , Satoshi Tanaka , Hiyoku Nakata , Yuichiro Murayama , Yoshiaki Kondo
IPC分类号： B32B15/08 , C08L83/00 , B32B15/20
CPC分类号： C09D143/04 , C09D5/165 , C09D5/1687 , Y10T428/31663
摘要： A hydrophilic film forming composition which is used for forming on the surface of a support of every sort a hydrophilic film provided with anti-fogging properties, abrasion resistance and antibacterial properties and having more favorable antifouling properties is provided. A hydrophilic member having an excellent anti-fogging, abrasion-resistant, antibacterial and antifouling surface provided with a hydrophilic film formed of the instant hydrophilic film forming composition on the surface of an appropriate support is provided.A hydrophilic film forming composition including (A) a positively charged nitrogen atom-containing compound having a Log P of not more than 2; (B) a hydrolyzable silyl group-containing hydrophilic polymer; and (C) a metal complex catalyst. A hydrophilic member including a support having the instant hydrophilic film forming composition coated thereon.
摘要翻译：提供了一种亲水性成膜组合物，其用于在各种支撑体的表面上形成具有防雾性，耐磨性和抗菌性并具有更好的防污性的亲水性膜。提供了具有优异的防雾，耐磨，抗菌和防污表面的亲水构件，其在适当的载体的表面上设置由立即亲水性成膜组合物形成的亲水膜。一种亲水性成膜组合物，其包含（A）具有不大于2的Log P的带正电的含氮原子的化合物; （B）含水解性甲硅烷基的亲水性聚合物; 和（C）金属络合物催化剂。亲水性构件，其包括其上涂覆有即时亲水性成膜组合物的载体。

8. 发明授权

US07754355B2 Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US07754355B2
公开(公告)日：2010-07-13
申请号：US11109653
申请日：2005-04-20
申请人： Yuichiro Murayama , Hiroshi Hashimoto
发明人： Yuichiro Murayama , Hiroshi Hashimoto
IPC分类号： G11B5/716
CPC分类号： G11B5/7026 , B32B27/18 , G11B5/70605 , G11B5/70678 , G11B5/714 , G11B5/738
摘要： A magnetic recording medium is provided that includes a non-magnetic support, a radiation-cured layer cured by exposing a layer containing a radiation curing compound to radiation, and a magnetic layer comprising a ferromagnetic powder dispersed in a binder. The radiation-cured layer and the magnetic layer are provided in that order above the non-magnetic support. The radiation curing compound has a C2 to C18 alkyl group, a C6 to C10 cyclic structure, and two or more radiation curing functional groups per molecule.
摘要翻译：提供了一种磁记录介质，其包括非磁性载体，通过将含有辐射固化化合物的层暴露于辐射而固化的辐射固化层和包含分散在粘合剂中的铁磁性粉末的磁性层。辐射固化层和磁性层以非磁性载体上方的顺序设置。辐射固化化合物具有C2至C18烷基，C6至C10环状结构和每个分子两个或更多个辐射固化官能团。

9. 发明授权

US07501194B2 Magnetic recording media with non-magnetic support and radiation cured layer 有权
标题翻译：具有非磁性支持和辐射固化层的磁记录介质
公开(公告)号：US07501194B2
公开(公告)日：2009-03-10
申请号：US11104552
申请日：2005-04-13
申请人： Yuichiro Murayama , Hiroshi Hashimoto
发明人： Yuichiro Murayama , Hiroshi Hashimoto
IPC分类号： G11B5/716
CPC分类号： G11B5/738 , G11B5/7026 , G11B5/714
摘要： A magnetic recording medium is provided that includes a non-magnetic support, a radiation-cured layer cured by exposing a layer containing a radiation curing compound to radiation, and a magnetic layer comprising a ferromagnetic powder dispersed in a binder. The radiation-cured layer and the magnetic layer are provided in that order above the non-magnetic support. The radiation curing compound includes a radiation curing polyester compound having four or more radiation curing functional groups per molecule.
摘要翻译：提供了一种磁记录介质，其包括非磁性载体，通过将含有辐射固化化合物的层暴露于辐射而固化的辐射固化层和包含分散在粘合剂中的铁磁性粉末的磁性层。辐射固化层和磁性层以非磁性载体上方的顺序设置。辐射固化化合物包括每分子具有四个或更多个辐射固化官能团的辐射固化聚酯化合物。

10. 发明授权

US07348079B2 Magnetic recording medium 有权
标题翻译：磁记录介质
公开(公告)号：US07348079B2
公开(公告)日：2008-03-25
申请号：US10725522
申请日：2003-12-03
申请人： Yuichiro Murayama , Hiroshi Hashimoto
发明人： Yuichiro Murayama , Hiroshi Hashimoto
IPC分类号： G11B5/706
CPC分类号： G11B5/738 , G11B5/7021 , G11B5/716
摘要： A magnetic recording medium is provided that has on a non-magnetic support, in order, a radiation-cured layer formed by curing a layer containing a radiation curing compound by exposure to radiation, a lower layer having a non-magnetic powder and/or a magnetic powder dispersed in a binder, and at least one magnetic layer having a ferromagnetic powder dispersed in a binder. The binder of at least the magnetic layer is a binder having a glass transition temperature of 100° C. to 200° C., and the magnetic layer has on its surface a number of micro projections having a height of 10 to 20 nm measured by atomic force microscopy (AFM) of 5 to 1,000/100 μm2.
摘要翻译：提供了一种磁记录介质，其具有非磁性载体，依次是通过暴露于辐射使含有辐射固化化合物的层固化而形成的辐射固化层，具有非磁性粉末和/或分散在粘合剂中的磁性粉末以及分散在粘合剂中的铁磁粉末的至少一个磁性层。至少磁性层的粘合剂是玻璃化转变温度为100℃至200℃的粘合剂，并且磁性层在其表面上具有多个高度为10至20nm的微突起，其通过原子力显微镜（AFM）为5至1,000 / 100mum 2。

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