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1. 发明授权

US08367199B2 Biaxially oriented film 有权
标题翻译：双轴取向薄膜
公开(公告)号：US08367199B2
公开(公告)日：2013-02-05
申请号：US13276465
申请日：2011-10-19
申请人： Tetsuo Yoshida , Katsuyuki Hashimoto , Ieyasu Kobayashi , Shinji Muro , Takeshi Ishida
发明人： Tetsuo Yoshida , Katsuyuki Hashimoto , Ieyasu Kobayashi , Shinji Muro , Takeshi Ishida
IPC分类号： B32B15/085 , B32B15/09 , B32B27/08 , B32B27/32 , B32B27/36
CPC分类号： C08J5/18 , B32B5/142 , B32B15/08 , B32B27/08 , B32B27/302 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/36 , B32B2250/24 , B32B2270/00 , B32B2274/00 , B32B2307/204 , B32B2307/306 , B32B2307/518 , B32B2307/54 , B32B2307/702 , B32B2307/734 , B32B2457/16 , C08J2367/02 , C08L23/02 , C08L25/06 , C08L67/02 , Y10S428/91 , Y10T428/254 , Y10T428/26 , Y10T428/263 , Y10T428/264 , Y10T428/265 , Y10T428/266 , Y10T428/268 , Y10T428/269 , Y10T428/31678 , Y10T428/31681 , Y10T428/31692 , Y10T428/31786 , Y10T428/31797 , Y10T428/31855 , Y10T428/31909 , Y10T428/31938 , C08L2666/18 , C08L2666/06 , C08L2666/04
摘要： An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., wherein the ratio of the polyolefin (b) is from 5 to 30% based on the entire weight of the film, and the film thickness is from 1 to 10 μm.
摘要翻译：本发明的一个目的是提供一种在湿度变化方面尺寸稳定性优异的薄双轴取向薄膜以及使用其的磁记录介质和薄膜电容器。本发明提供了包含芳族聚酯（a）和熔点为230至280℃的聚烯烃（b））的单层或层压双轴取向膜，其中聚烯烃（b）的比例为5 至30重量％，膜厚为1〜10μm。

2. 发明申请

US20100190037A1 BIAXIALLY ORIENTED LAMINATED FILM 有权
标题翻译：双面朝向的层压膜
公开(公告)号：US20100190037A1
公开(公告)日：2010-07-29
申请号：US12664216
申请日：2008-06-11
申请人： Eiji Kinoshita , Ieyasu Kobayashi , Mitsuo Tojo , Tomoyuki Kishino , Kazuteru Kohno
发明人： Eiji Kinoshita , Ieyasu Kobayashi , Mitsuo Tojo , Tomoyuki Kishino , Kazuteru Kohno
IPC分类号： G11B5/73 , D06N7/04
CPC分类号： G11B5/7305 , B32B27/08 , B32B27/20 , B32B27/36 , B32B2250/24 , B32B2264/0235 , B32B2264/102 , B32B2307/516 , B32B2307/518 , B32B2307/734 , Y10T428/24355 , Y10T428/31797
摘要： It is an object of the present invention to provide a biaxially oriented laminated polyester film which has excellent dimensional stability to environmental changes such as temperature and humidity variations and excellent flatness and windability.The present invention is a biaxially oriented laminated polyester film comprising a film layer B on one side of a film layer A and having a surface roughness (RaB) on the film layer B side which is 1.0 nm or more larger than the surface roughness (RaA) on the film layer A side, wherein at least one of the film layers comprises an aromatic polyester (I) composed of a glycol component and a dicarboxylic acid component containing 5 mol % or more and less than 80 mol % of a recurring unit represented by the following formula (A): wherein RA is an alkylene group having 1 to 10 carbon atoms.
摘要翻译：本发明的目的是提供一种双轴取向层合聚酯薄膜，该双轴取向叠层聚酯薄膜具有优异的尺寸稳定性，适用于温度和湿度变化等环境变化以及优异的平整度和卷曲性。本发明是一种双轴取向叠层聚酯薄膜，其在薄膜层A的一面上具有膜层B，在薄膜层B侧具有比表面粗糙度大1.0nm以上的表面粗糙度（RaB）），其中至少一个膜层包含由二元醇组分构成的芳族聚酯（I）和含有5摩尔％以上且小于80摩尔％的重复单元的二羧酸成分，所述重复单元为通过下式（A）表示：其中RA是具有1〜10个碳原子的亚烷基。

3. 发明授权

US06319589B1 Biaxially oriented laminate polyester film 有权
标题翻译：双轴取向层压聚酯薄膜
公开(公告)号：US06319589B1
公开(公告)日：2001-11-20
申请号：US09519843
申请日：2000-03-06
申请人： Ieyasu Kobayashi , Toshifumi Osawa
发明人： Ieyasu Kobayashi , Toshifumi Osawa
IPC分类号： B32B2708
CPC分类号： B32B27/36 , B29C55/023 , B29K2067/00 , B32B27/08 , B32B27/18 , B32B2038/0028 , B32B2307/518 , B32B2367/00 , B32B2429/00 , G11B5/7305 , Y10S428/91 , Y10T428/24355 , Y10T428/24942 , Y10T428/2495 , Y10T428/24967 , Y10T428/24975 , Y10T428/25 , Y10T428/31786
摘要： A biaxially oriented laminate polyester film (1) has a first polyester layer having a thickness (tA) of 0.3 to 5 &mgr;m and a second polyester layer containing an inert fine particle lubricant and having a thickness (tB) of 1.5 to 9 &mgr;m, or (2) has a first polyester layer having a thickness (tA) of 2 to 8.5 &mgr;m and a second polyester layer containing an inert fine particle lubricant and having a thickness (tB) of 0.6 to 5 &mgr;m. The polyester of the second polyester layer may contain a recovered polyester having the same composition as a recovered laminate polyester film which is the biaxially oriented laminate polyester film or an unstretched film thereof.
摘要翻译：双轴取向层压聚酯薄膜（1）具有厚度（tA）为0.3〜5μm的第一聚酯层和含有惰性微粒润滑剂的厚度（tB）为1.5〜9μm的第二聚酯层，或（2）具有厚度（tA）为2〜8.5μm的第一聚酯层和含有惰性微粒润滑剂的厚度（tB）为0.6〜5μm的第二聚酯层。第二聚酯层的聚酯可以含有与作为双轴取向层合聚酯膜的回收层压聚酯膜或其未拉伸膜相同组成的回收聚酯。

4. 发明授权

US5534323A Biaxially oriented film of polyethylene-2,6-naphtalenedicarboxylate for magnetic recording floppy disks 失效
标题翻译：用于磁记录软盘的聚2,6-萘二甲酸乙二醇酯双轴取向膜
公开(公告)号：US5534323A
公开(公告)日：1996-07-09
申请号：US157055
申请日：1993-12-02
申请人： Takao Chuujou , Ieyasu Kobayashi , Hisashi Hamano , Masami Etchu
发明人： Takao Chuujou , Ieyasu Kobayashi , Hisashi Hamano , Masami Etchu
IPC分类号： B29C55/12 , B29C55/00 , B29K67/00 , B32B27/36 , C08J5/18 , C08J7/04 , C09D5/23 , C09D127/04 , C09D127/06 , C09D175/00 , C09D175/04 , G11B5/73 , G11B5/82 , B32B27/06 , G11B5/66 , G11B5/70
CPC分类号： C08J5/18 , B29C55/005 , G11B5/73 , G11B5/7305 , G11B5/825 , B29K2067/00 , C08J2367/02 , Y10S428/90 , Y10S428/91 , Y10T428/24372 , Y10T428/25 , Y10T428/26 , Y10T428/31786
摘要： Provided are a biaxially oriented base film formed from polyethylene-2,6-naphthalenedicarboxylate as a raw material and a high-density magnetic recording floppy disk using the same. The base film and the floppy disk are characteristic in that they inhibit vibration in the film surface and have excellent viscoelasticity thereby to accomplish a contact with a magnetic head under given conditions even when rotated at high speed.
摘要翻译： PCT No.PCT / JP93 / 00422 Sec。 371日期1993年12月2日第 102（e）日期1993年12月2日PCT 1993年4月2日PCT公布。公开号WO93 / 20553 日期为1993年10月14日。作为原料的聚2,6-萘二甲酸乙二醇酯和使用其的高密度磁记录软盘形成的双轴取向基膜。基膜和软盘的特征在于它们抑制膜表面的振动并且具有优异的粘弹性，从而即使在高速旋转的情况下也能在给定条件下实现与磁头的接触。

5. 发明授权

US08216704B2 Biaxially oriented laminated film 有权
标题翻译：双轴取向叠层薄膜
公开(公告)号：US08216704B2
公开(公告)日：2012-07-10
申请号：US12664216
申请日：2008-06-11
申请人： Eiji Kinoshita , Ieyasu Kobayashi , Mitsuo Tojo , Tomoyuki Kishino , Kazuteru Kohno
发明人： Eiji Kinoshita , Ieyasu Kobayashi , Mitsuo Tojo , Tomoyuki Kishino , Kazuteru Kohno
IPC分类号： C08G63/12 , G11B5/73 , D06N7/04
CPC分类号： G11B5/7305 , B32B27/08 , B32B27/20 , B32B27/36 , B32B2250/24 , B32B2264/0235 , B32B2264/102 , B32B2307/516 , B32B2307/518 , B32B2307/734 , Y10T428/24355 , Y10T428/31797
摘要： A biaxially oriented laminated polyester film which has excellent dimensional stability to environmental changes such as temperature and humidity variations and excellent flatness and windability. A biaxially oriented laminated polyester film comprising a film layer B on one side of a film layer A and having a surface roughness (RaB) on the film layer B side which is 1.0 nm or more larger than the surface roughness (RaA) on the film layer A side, wherein at least one of the film layers comprises an aromatic polyester (I) composed of a glycol component and a dicarboxylic acid component containing 5 mol % or more and less than 80 mol % of a recurring unit represented by the following formula (A): wherein RA is an alkylene group having 1 to 10 carbon atoms.
摘要翻译：双轴取向叠层聚酯薄膜，其具有优异的尺寸稳定性，适用于温度和湿度变化等环境变化以及优异的平整度和卷取性。一种双轴取向叠层聚酯薄膜，其在薄膜层A的一面上具有薄膜层B，在膜层B侧具有比膜上的表面粗糙度（RaA）大1.0nm以上的表面粗糙度（RaB）层A侧，其中，所述膜层中的至少一层包含由二醇成分构成的芳香族聚酯（I）和含有5摩尔％以上且小于80摩尔％的由下式表示的重复单元的二羧酸成分（A）：其中RA为碳原子数1〜10的亚烷基。

6. 发明申请

US20120040208A1 BIAXIALLY ORIENTED FILM 有权
标题翻译：双面胶卷
公开(公告)号：US20120040208A1
公开(公告)日：2012-02-16
申请号：US13276465
申请日：2011-10-19
申请人： Tetsuo Yoshida , Katsuyuki Hashimoto , Ieyasu Kobayashi , Shinji Muro , Takeshi Ishida
发明人： Tetsuo Yoshida , Katsuyuki Hashimoto , Ieyasu Kobayashi , Shinji Muro , Takeshi Ishida
IPC分类号： G11B5/735 , B32B27/36 , G11B5/73
CPC分类号： C08J5/18 , B32B5/142 , B32B15/08 , B32B27/08 , B32B27/302 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/36 , B32B2250/24 , B32B2270/00 , B32B2274/00 , B32B2307/204 , B32B2307/306 , B32B2307/518 , B32B2307/54 , B32B2307/702 , B32B2307/734 , B32B2457/16 , C08J2367/02 , C08L23/02 , C08L25/06 , C08L67/02 , Y10S428/91 , Y10T428/254 , Y10T428/26 , Y10T428/263 , Y10T428/264 , Y10T428/265 , Y10T428/266 , Y10T428/268 , Y10T428/269 , Y10T428/31678 , Y10T428/31681 , Y10T428/31692 , Y10T428/31786 , Y10T428/31797 , Y10T428/31855 , Y10T428/31909 , Y10T428/31938 , C08L2666/18 , C08L2666/06 , C08L2666/04
摘要： An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same.The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., whereinthe ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 μm.
摘要翻译：本发明的一个目的是提供一种在湿度变化方面尺寸稳定性优异的薄双轴取向薄膜以及使用其的磁记录介质和薄膜电容器。本发明提供了包含芳族聚酯（a）和熔点为230-280℃的聚烯烃（b））的单层或层压双轴取向膜，其中聚烯烃（b）的比例为2 至60重量％，膜厚为1〜10μm。

7. 发明申请

US20110229738A1 BIAXIALLY ORIENTED POLYESTER FILM AND MAGNETIC RECORDING TAPE 有权
标题翻译：双面导向聚酯薄膜和磁记录带
公开(公告)号：US20110229738A1
公开(公告)日：2011-09-22
申请号：US13117224
申请日：2011-05-27
申请人： Ieyasu KOBAYASHI , Shinji MURO , Takeshi ISHIDA
发明人： Ieyasu KOBAYASHI , Shinji MURO , Takeshi ISHIDA
IPC分类号： G11B5/706 , G11B5/66
CPC分类号： G11B5/7305 , B29C55/12 , B29C55/143 , B29K2067/00 , C08J5/18 , C08J2367/02 , G11B5/733
摘要： A biaxially oriented polyester film which has a Young's modulus (YMD) in the film machine direction (YMD) of 6.5 GPa or more and a Young's modulus in the width direction (YTD) of 8.2 to 9.8 GPa and is used as a base film for magnetic recording tapes of linear recording system, and a magnetic recording tape of linear recording system comprising the same as a base film.There are provided a biaxially oriented polyester film which has excellent dimensional stability, especially dimensional stability in the width direction and is suitable for use as a base film for magnetic recording tapes of linear recording system and a magnetic recording tape comprising the same.
摘要翻译：将膜长度方向（YMD）的杨氏模量（YMD）为6.5GPa以上，宽度方向的杨氏模量（YTD）为8.2〜9.8GPa的双轴取向聚酯膜用作基膜线性记录系统的磁记录带，以及包括与基膜相同的线性记录系统的磁记录带。提供了具有优异的尺寸稳定性，特别是宽度方向的尺寸稳定性的双轴取向聚酯膜，适合用作线性记录系统的磁记录带的基膜和包含该基片的磁记录带。

8. 发明申请

US20050031880A1 Biaxially oriented polyester film and production process therefor 失效
标题翻译：双轴取向聚酯薄膜及其生产工艺
公开(公告)号：US20050031880A1
公开(公告)日：2005-02-10
申请号：US10942140
申请日：2004-09-16
申请人： Ieyasu Kobayashi , Shinji Muro , Hirofumi Murooka
发明人： Ieyasu Kobayashi , Shinji Muro , Hirofumi Murooka
IPC分类号： B29C55/00 , B29C55/12 , B29C55/14 , C08J5/18 , G11B5/73 , D06N7/04 , B32B27/36 , G11B5/64
CPC分类号： C08J5/18 , B29C55/005 , B29C55/12 , B29C55/143 , B29K2067/00 , C08J2367/02 , G11B5/7305 , Y10S428/91 , Y10T428/24355 , Y10T428/31678 , Y10T428/31681 , Y10T428/31786 , Y10T428/31855
摘要： A biaxially oriented polyester film for a high-density magnetic recording medium, particularly a high-density magnetic recoding medium of linear recording system, which has high strength in longitudinal and transverse directions, excellent dimensional stability in a crosswise direction and is flat and excellent in output characteristics and a process for producing the same. The biaxially oriented film is made from polyethylene-2,6-naphthalate and has a Young's modulus in a longitudinal direction of 8 GPa or more, a Young's modulus in a transverse direction of 6 GPa or more, a temperature expansion coefficient in the transverse direction (αt) of −5×10−6/° C. to +12×10−6/° C., a humidity expansion coefficient in the transverse direction (αh) of 5×10−6/% RH to 12×10−6/% RH and a thermal shrinkage factor in the transverse direction at 105° C. of −0.5 to +1.5%
摘要翻译：一种用于高密度磁记录介质的双轴取向聚酯膜，特别是线性记录系统的高密度磁记录介质，其纵向和横向具有高强度，在横向上具有优异的尺寸稳定性，并且平坦且优异输出特性及其制造方法。双轴取向膜由聚2,6-萘二甲酸乙二醇酯制造，长度方向的杨氏模量为8GPa以上，横向杨氏模量为6GPa以上，横向的温度膨胀系数（alphat）为-5×10 -6 /℃至+ 12×10 -6 /℃，横向湿度膨胀系数（alphah）为5×10 -6 / RH至12×10 -6 / 6℃/％RH，105℃下横向的热收缩率为-0.5〜1.5％

9. 发明授权

US06338890B1 Biaxially oriented laminated polyester film 有权
标题翻译：双轴取向叠层聚酯薄膜
公开(公告)号：US06338890B1
公开(公告)日：2002-01-15
申请号：US09462262
申请日：2000-01-06
申请人： Ieyasu Kobayashi , Toshifumi Osawa
发明人： Ieyasu Kobayashi , Toshifumi Osawa
IPC分类号： B32B2708
CPC分类号： B32B27/36 , B32B7/02 , B32B15/09 , B32B27/08 , B32B27/20 , B32B2307/518 , B32B2367/00 , B32B2429/00 , G11B5/7315 , G11B5/733 , Y10S428/91 , Y10T428/24355 , Y10T428/24942 , Y10T428/2495 , Y10T428/25 , Y10T428/254 , Y10T428/259 , Y10T428/31681 , Y10T428/31786 , Y10T428/31794
摘要： A biaxially oriented laminated polyester film comprising a first polyester layer which contains two different types of inert fine particles having different average particle diameters and has a surface roughness of 4 to 15 nm and a second polyester layer which may contain inert fine particles and has a surface roughness of 0.5 to 3.5 nm. The film has a friction coefficient between the first polyester layer and the second polyester layer of 0.5 or less and a good roll form. A cover layer may be further formed on the second polyester layer. The film can be used as a magnetic recording medium by forming a magnetic layer on the second polyester layer or the cover layer overlying the second polyester layer.
摘要翻译：一种双轴取向叠层聚酯薄膜，其包含第一聚酯层，该第一聚酯层含有两种不同类型的平均粒径不同的惰性微粒，表面粗糙度为4〜15nm，第二聚酯层可含有惰性微粒，粗糙度为0.5〜3.5nm。该膜的第一聚酯层和第二聚酯层之间的摩擦系数为0.5以下，辊的形状良好。可以在第二聚酯层上进一步形成覆盖层。该膜可以通过在第二聚酯层或覆盖第二聚酯层的覆盖层上形成磁性层而用作磁记录介质。

10. 发明授权

US08485460B2 Polyester film roll 有权
标题翻译：聚酯薄膜卷
公开(公告)号：US08485460B2
公开(公告)日：2013-07-16
申请号：US09914033
申请日：2000-12-18
申请人： Ieyasu Kobayashi , Mitsuo Tojo , Tsuyonari Nohira , Shinji Muro , Hirofumi Murooka
发明人： Ieyasu Kobayashi , Mitsuo Tojo , Tsuyonari Nohira , Shinji Muro , Hirofumi Murooka
IPC分类号： B65H18/28
CPC分类号： C08J5/18 , C08J2367/02 , Y10T428/139 , Y10T428/25
摘要： A polyester film roll is rolled on a core, wherein the difference R (m) between the maximum value and the minimum value of the diameters of the roll is not more than 2W×10−3 and not more than L×10−7, when the diameters of said roll are measured in the width direction of the roll, (therein, W is the width (m) of the film roll, and L is the length (m) of the rolled film). Alternatively, among the lengths of lines which are obtained by measuring the diameters of said roll in the width direction of the roll, drawing a straight line between both the ends of the curved line of the obtained roll diameters, the maximum distance on the convex portion between the curved and straight lines is not more than 500 μm, and the maximum distance on the concave portion of the same is not more than 300 μm.
摘要翻译：将聚酯薄膜辊卷绕在芯上，其中辊的直径的最大值和最小值之间的差R（m）不大于2W×10-3且不大于L×10-7，当在辊的宽度方向上测量所述辊的直径时（其中W是膜卷的宽度（m），L是轧制膜的长度（m））。或者，在通过测量辊的宽度方向上的所述辊的直径获得的线的长度之间，在获得的辊直径的曲线的两个端部之间绘制直线，凸起部分上的最大距离弯曲直线之间的距离不大于500μm，并且其凹部上的最大距离不大于300μm。

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