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公开(公告)号：US06890471B2
公开(公告)日：2005-05-10
申请号：US10203346
申请日：2001-12-07
申请人： Ieyasu Kobayashi , Shinji Muro , Hirofumi Murooka
发明人： Ieyasu Kobayashi , Shinji Muro , Hirofumi Murooka
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 / SUP> -6％/％RH至12×10 -6 / RH，在105℃下横向的热收缩率为-0.5至+ 1.5％
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公开(公告)号：US06677031B1
公开(公告)日：2004-01-13
申请号：US09914008
申请日：2001-08-22
申请人： Hirofumi Murooka , Hiroshi Tokuda
发明人： Hirofumi Murooka , Hiroshi Tokuda
IPC分类号： B32B2708
CPC分类号： G02B27/283 , B32B27/08 , B32B27/18 , B32B27/36 , G02B5/3033 , Y10S428/91 , Y10T428/24942 , Y10T428/24975 , Y10T428/25 , Y10T428/252 , Y10T428/254 , Y10T428/256 , Y10T428/257 , Y10T428/258 , Y10T428/259 , Y10T428/269 , Y10T428/31786 , Y10T428/31797
摘要： There is provided a multilayer film which is useful as a refractive polarizer film or a semi-transparent film. The multilayer film comprises a first layer comprising of a polyester whose main recurring unit is ethylene-2,6-naphthalene dicarboxylate and a second layer comprising mainly of a thermoplastic resin which is different from the polyester of the first layer, wherein at least one of the first and second layers contains 0.001 to 0.5 wt % of inert fine particles having an average particle diameter of 0.01 to 2 &mgr;m; the first and second layers each have a thickness of 0.05 to 0.3 &mgr;m and are laminated alternately to form a laminate comprising at least 11 layers; the laminate is oriented at least in one direction; and the second layer has a lower refractive index than the first layer at least in one direction. This multilayer film has excellent handling properties such as film formability and windability and an easily adjustable reflectance.
摘要翻译： 提供了可用作折射偏光膜或半透明膜的多层膜。 所述多层膜包含由主要重复单元为乙烯-2,6-萘二甲酸酯的聚酯构成的第一层和主要由不同于第一层的聚酯的热塑性树脂组成的第二层，其中， 第一层和第二层含有0.001〜0.5重量％的平均粒径为0.01〜2μm的惰性微粒; 第一层和第二层各自具有0.05至0.3μm的厚度并且交替地层压以形成包含至少11层的层压体; 层压板至少在一个方向上取向; 并且所述第二层至少在一个方向上具有比所述第一层低的折射率。 该多层膜具有优异的处理性能，例如成膜性和卷取性，并且易于调节反射率。
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公开(公告)号：US6071599A
公开(公告)日：2000-06-06
申请号：US142852
申请日：1998-05-22
申请人： Masahiko Kosuge , Manabu Kimura , Tetsuo Yoshida , Koji Kubo , Hirofumi Murooka , Tetsuya Hasegawa
发明人： Masahiko Kosuge , Manabu Kimura , Tetsuo Yoshida , Koji Kubo , Hirofumi Murooka , Tetsuya Hasegawa
IPC分类号： B32B15/08 , B32B27/36 , C09D167/02 , B32B7/02 , B32B27/06
CPC分类号： C09D167/02 , B32B15/08 , B32B27/36 , Y10T428/2495
摘要： A laminate polyester film to be laminated onto metal plate and molded comprises the first layer made from copoly(ethylene-terephthalate/isophthalate) having a melting point of 205 to 250.degree. C. and a second layer made from a polyester (i) comprising ester units of an aromatic dicarboxylic acid component, an aliphatic dicarboxylic acid component and aliphatic diol components, (ii) containing a titanium compound soluble in the polyester in an amount of 30 to 200 ppm in terms of elemental titanium and (iii) having one or two melting point(s) in the range of 170 to 245.degree. C., and has the maximum peak temperature of loss elastic modulus of higher than 47.degree. C. and 85.degree. C. or lower. This laminate polyester film is suitably used for application such as metal cans for juice and other refreshing drinks that are handled in a cooled state.
摘要翻译： PCT No.PCT / JP97 / 03285。 371日期：1998年5月22日 102（e）日期1998年5月22日PCT 1997年9月17日PCT公布。 第WO98 / 12049号公报 1998年3月26日将层压在金属板上并成型的层压聚酯膜包括由熔点为205-250℃的共聚（对苯二甲酸乙二醇酯/间苯二甲酸酯）制成的第一层和由聚酯制成的第二层 （i）包含芳族二羧酸组分的酯单元，脂肪族二羧酸组分和脂肪族二醇组分，（ii）以元素钛计，含有以聚氨酯为基准的30-200ppm的钛化合物，（iii） ）具有170-245℃范围内的一个或两个熔点，并且具有高于47℃和85℃或更低的损耗弹性模量的最大峰值温度。 这种层压聚酯薄膜适合用于诸如用于果汁的金属罐和在冷却状态下处理的其它清凉饮料。
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4.发明授权Biaxially oriented polyester film for magnetic recording media containing theta or mixed alpha plus gamma aluminum oxide and inert organic particles 失效用于含有θ或混合的α+γ氧化铝和惰性有机颗粒的磁记录介质的双轴取向聚酯膜
公开(公告)号：US5368932A
公开(公告)日：1994-11-29
申请号：US74593
申请日：1993-06-11
申请人： Hirofumi Murooka , Sumio Kato , Masami Etchu
发明人： Hirofumi Murooka , Sumio Kato , Masami Etchu
CPC分类号： G11B5/733 , Y10S428/90 , Y10S428/91 , Y10T428/254 , Y10T428/256 , Y10T428/257 , Y10T428/26 , Y10T428/265 , Y10T428/31786
摘要： A biaxially oriented polyester film for magnetic recording media, which comprises:(A) 0.05 to 1.0% by weight of .theta.-aluminum oxide or mixed (.alpha.+.gamma.) aluminum oxide having an average particle diameter in the range of from 0.02 to 0.3 .mu.m and a specific surface area in the range of from 50 to 120 m.sup.2 /g, and(B) 0.01 to 1.5 % by weight of inert organic particles having an average particle diameter which is in the range of from 0.1 to 1.5 .mu.m and greater than the average particle diameter of the aluminum oxide.
摘要翻译： 一种用于磁记录介质的双轴取向聚酯膜，其包含：（A）0.05-1.0重量％的氧化铝 - 氧化铝或平均粒径在0.02-0.3μm范围内的混合（α+γ）氧化铝 m，比表面积为50〜120m2 / g，（B）0.01〜1.5％（重量）平均粒径为0.1〜1.5μm的惰性有机粒子，以及 大于氧化铝的平均粒径。
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公开(公告)号：US08485460B2
公开(公告)日：2013-07-16
申请号：US09914033
申请日：2000-12-18
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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公开(公告)号：US08191812B2
公开(公告)日：2012-06-05
申请号：US10832279
申请日：2004-04-27
CPC分类号： C08J5/18 , C08J2367/02 , Y10T428/139 , Y10T428/25
摘要： The polyester film roll, which is free from wrinkles and slacks generated with the passage of time and is having a good roll appearance, is provided without changing the characteristics of the film.The polyester film roll is a polyester film roll in which a polyester film is rolled on a core, characterized in that the difference R (m) between the maximum value and the minimum value is not more than 2 W×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 rolled length (m) of the film roll), or a polyester film roll in which a polyester film is rolled on a core, characterized in that, 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, and then vertically drawing the lines from said curved line to said straight line, the maximum length (maximum convex portion) on the convex portion side from said straight line is not more than 500 μm, and the maximum length (maximum concave portion) on the concave portion side from said straight line is not more than 300 μm.
摘要翻译： 在不改变膜特性的情况下，提供无时间地产生并且具有良好的卷筒外观的皱纹和松弛的聚酯薄膜卷。 聚酯薄膜卷是将聚酯薄膜卷绕在芯上的聚酯薄膜卷，其特征在于最大值与最小值之间的差值R（m）不大于2×10×10-3，而不是更大 比L×10-7大，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是膜的卷绕长度（μm） 或聚酯膜在芯上卷起的聚酯薄膜辊，其特征在于，通过测量所述辊在辊的宽度方向上的直径而获得的线的长度之间，绘制直线 在所获得的辊直径的曲线的两端之间，然后将所述曲线的直线垂直拉伸到所述直线，所述直线上的凸部侧的最大长度（最大凸部）不大于 500μm，最大长度（最大凹部） 来自所述直线的洞部侧不大于300μm。
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公开(公告)号：US07048994B2
公开(公告)日：2006-05-23
申请号：US10297145
申请日：2002-02-20
CPC分类号： B32B27/20 , B32B27/36 , G11B5/73 , Y10S428/923 , Y10S428/924 , Y10S428/926 , Y10T428/25 , Y10T428/26 , Y10T428/31786 , Y10T428/31797
摘要： A laminated polyester film excellent in blocking resistance and processing suitability and exhibiting excellent electromagnetic transducing characteristics and excellent travel durability, when processed into a magnetic recording medium, and an electromagnetic recording medium using the laminated polyester film as a base film, are provided.This laminated polyester film comprises a polyester layer B containing a cyclic trimer in an amount of not more than 0.8 percent by weight, having a terminal carboxyl group concentration of not more than 35 eq/106 g and containing inactive particles B having an average particle diameter of 50 to 100 nm, and a polyester layer A laminated to one side of the polyester layer B and not containing inactive particles or containing inactive particles A having a smaller average particle diameter than that of the inactive particles B.
摘要翻译： 提供了具有优异的抗粘连性和加工适应性，并且在加工成磁记录介质时表现出优异的电磁感应特性和优异的行进耐久性的叠层聚酯薄膜以及使用层压聚酯薄膜作为基膜的电磁记录介质。 该层叠聚酯膜包含含有不大于0.8重量％的环状三聚物的聚酯层B，其末端羧基浓度不超过35当量/ 10 -6，并含有 平均粒径为50〜100nm的无活性粒子B和层叠在聚酯层B一侧的不含惰性粒子或不含惰性粒子A的平均粒径小于无活性粒子的非活性粒子A的聚酯层A B.
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8.发明授权公开(公告)号：US06773802B2
公开(公告)日：2004-08-10
申请号：US10182646
申请日：2002-07-31
申请人： Ieyasu Kobayashi , Shinji Muro , Hirofumi Murooka
发明人： Ieyasu Kobayashi , Shinji Muro , Hirofumi Murooka
IPC分类号： B32B1800
CPC分类号： B32B27/08 , B32B27/20 , B32B27/36 , B32B2307/518 , B32B2367/00 , G11B5/73 , G11B5/7315 , G11B5/733 , Y10T428/252 , Y10T428/254 , Y10T428/256 , Y10T428/259 , Y10T428/26 , Y10T428/265 , Y10T428/31786 , Y10T428/31794
摘要： A biaxially oriented layered polyester film which is excellent in suitability for winding and processability while retaining the flatness of the flat surface and which gives a magnetic recording medium, especially a metal coating type high-recording-density magnetic recording medium, having excellent electromagnetic characteristics. The biaxially oriented layered polyester film comprises a second polyester layer and superposed on one side thereof a first polyester layer containing an ester of a C12 or higher aliphatic monocarboxylic acid with a polyhydric alcohol and three inert particulate materials differing in average particle diameter. In the film, one of the Young's moduli respectively in the longitudinal direction and transverse direction is 6 GPa or higher and the other is 4 GPa or higher.
摘要翻译： 一种双轴取向层状聚酯膜，其在保持平坦表面的平坦性的同时保持卷绕和加工性能优异，并且具有优异的电磁特性，并且提供了具有优异电磁特性的磁记录介质，特别是金属涂层型高记录密度磁记录介质。 双轴取向层状聚酯膜包括第二聚酯层，并且在其一侧上叠加含有C12或更高级脂族一元羧酸与多元醇的酯和平均粒径不同的三种惰性颗粒材料的第一聚酯层。 在膜中，纵向和横向上的杨氏模量之一为6GPa以上，另一方为4GPa以上。
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公开(公告)号：US6127473A
公开(公告)日：2000-10-03
申请号：US297555
申请日：1999-05-03
CPC分类号： C08J5/18 , B29D7/01 , B32B15/08 , B29K2067/00 , B29K2105/0005 , C08J2367/02
摘要： Provided is a polyester film containing a lubricant having an average particle diameter of 0.001 to 2.5 .mu.m in an amount of 0.01 to 5.0% by weight and suited for the lamination onto the surface that comes in contact with the contents of an easy-open can cap. The polyester film has a plane orientation coefficient of 0.115 to 0.140, two or more endothermic peaks in DSC curve in the range of 170 to 270.degree. C., a peak temperature of 60 to 120.degree. C. of a complex elastic modulus (E") in water and an intrinsic viscosity of 0.50 to 0.64 dl/g. Having these features, the polyester film laminated onto a metal sheet is excellent in can-capping processability and in corrosion resistance even after holding at high temperature.
摘要翻译： PCT No.PCT / JP98 / 03982 Sec。 371日期1999年5月3日 102（e）日期1999年5月3日PCT提交1998年9月4日PCT公布。 WO99 / 12998 PCT出版物 1999年3月18日提供了一种聚酯膜，其含有平均粒径为0.001〜2.5μm的润滑剂，其含量为0.01〜5.0重量％，适用于与内容物接触的表面上的层压 一个容易开罐头。 聚酯膜的平均取向系数为0.115〜0.140，DSC曲线中的吸热峰为170〜270℃，峰值温度为60〜120℃，复数弹性模量（E' '），特性粘度为0.50〜0.64dl / g。 具有这些特征的是，即使在高温下保持之后，层压在金属板上的聚酯膜也具有优异的封盖加工性和耐腐蚀性。
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10.发明授权
公开(公告)号：US5556691A
公开(公告)日：1996-09-17
申请号：US186585
申请日：1994-01-26
申请人： Masami Etchu , Hirofumi Murooka , Kei Mizutani , Makoto Handa
发明人： Masami Etchu , Hirofumi Murooka , Kei Mizutani , Makoto Handa
CPC分类号： G11B5/656 , B32B27/36 , G11B5/738 , B29K2995/0072 , Y10S428/91 , Y10T428/24355 , Y10T428/25 , Y10T428/31786
摘要： A biaxially oriented laminated polyester film comprising a first thin polyester layer containing large-diameter inert particles and small-diameter inert particles; a second polyester layer containing large-diameter inert particles; and a third thin polyester layer containing large-diameter inert particles and small-diameter inert particles, the biaxially oriented laminated polyester film satisfying the following expression (1), ##EQU1## wherein: W.sub.1 is the content (wt. %) of the large-diameter inert particles in the first thin polyester layer, W.sub.2 is the content (wt. %) of the large-diameter inert particles in the second polyester layer, D.sub.13 is a total of the thickness (.mu.m) of the first thin polyester layer and the thickness (.mu.m) of the third thin polyester layer, and D.sub.2 is the thickness (.mu.m) of the second polyester layer. This film is useful as a base film for a magnetic medium.
摘要翻译： 一种双轴取向叠层聚酯薄膜，包括含有大直径惰性颗粒和小直径惰性颗粒的第一薄聚酯层; 含有大直径惰性颗粒的第二聚酯层; 和含有大直径惰性颗粒和小直径惰性颗粒的第三薄聚酯层，满足以下表达式（1）的双轴取向叠层聚酯膜，其中：W1是含量（重量％）， 在第一薄聚酯层中的大直径惰性颗粒的W2为第二聚酯层中的大直径惰性颗粒的含量（重量％），D13为第一聚酯层中的大直径惰性颗粒的厚度（μm） 薄聚酯层和第三薄聚酯层的厚度（μm），D2是第二聚酯层的厚度（μm）。 该膜可用作磁性介质的基膜。
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