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1.发明授权Biaxially oriented polyethylene-2,6-naphthalene-dicarboxylate film and process for the production thereof 失效双轴取向聚乙烯-2,6-萘二甲酸酯薄膜及其制备方法
公开(公告)号：US5380577A
公开(公告)日：1995-01-10
申请号：US258375
申请日：1994-06-10
IPC分类号： B29C55/12 , B29K67/00 , B29L7/00 , C08J5/18 , C08K7/16 , C08L67/00 , C08L67/02 , G11B5/73 , G11B5/733 , B32B7/04
CPC分类号： C08J5/18 , B29C55/12 , G11B5/7305 , B29K2067/00 , C08J2367/02 , Y10T428/24372 , Y10T428/2495 , Y10T428/2913 , Y10T428/2982
摘要： A biaxially oriented polyester film, (A) which is formed from polyethylene-2,6-naphthalenedicarboxylate containing 0.01 to 1% by weight of inert solid fine particles having an average particle size of 0.05 to 3 .mu.m, (B) which has a refractive index, in a film thickness direction, of at least 1.498, and (C) which has a Young's modulus, at least in one direction, of at least 700 kg/mm.sup.2 ; and a process for the production thereof. This film is useful as a magnetic recording medium, particularly as a base film excellent in abrasion resistance and tear resistance.
摘要翻译： 一种双轴取向聚酯膜（A），其由含有0.01〜1重量％平均粒径为0.05〜3μm的惰性固体微粒的聚乙烯-2,6-萘二甲酸酯形成，（B）具有 折射率在膜厚度方向上至少为1.498，和（C）至少在一个方向上具有至少700kg / mm2的杨氏模量; 及其生产方法。 该膜作为磁记录介质是有用的，特别是作为耐磨性和耐撕裂性优异的基膜。
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2.发明授权Magnetic recording tape comprising a polyethylene-2,6-napthalate substrate, magnetic metal thin film, and a backcoat layer 失效磁记录带，其包含聚2,6-萘二甲酸乙二醇酯基材，磁性金属薄膜和背涂层
公开(公告)号：US5431983A
公开(公告)日：1995-07-11
申请号：US288897
申请日：1994-08-10
CPC分类号： G11B5/7315 , G11B5/735 , Y10S428/90 , Y10T428/24355 , Y10T428/24967 , Y10T428/25 , Y10T428/265 , Y10T428/269 , Y10T428/31678 , Y10T428/31681 , Y10T428/31786
摘要： A magnetic recording tape, in particular a VTR tape, comprising;(A) a substrate composed of a biaxially oriented polyethylene-2,6-naphthalate film of which(a) the Young' modulus in the longitudinal direction is at least 650 kg/mm.sup.2, the Young' modulus in a transverse direction is the same as, or greater than, the Young's modulus in the longitudinal direction,(b) the heat shrinkage in the transverse direction is in the range of 1.0 to 3.0% when treated at 100.degree. C. for 30 minutes,(c) the surface roughness, Ra, is not more than 0.005 .mu.m, and(d) the amount of bled-out oligomer is not more than 0.01 area % when treated in air at 160.degree. C. for 5 minutes,(B) a thin magnetic metal layer having a thickness of 100 to 1,500 nm and formed on one surface of the substrate, and(C) a lubricant-containing thin organic polymer layer having a thickness of not more than 1 .mu.m and formed on the other surface of the substrate, said lubricant being in the form of particles which have an average particle diameter of 0.1 to 2.0 .mu.m. This magnetic recording tape has high coercive force and excellent running durability and is capable of recording data at high density and high sensitivity for a long period of time.
摘要翻译： 磁记录带，特别是VTR带，包括： （A）由双轴取向的聚2,6-萘二甲酸乙二醇酯薄膜构成的基材，其中（a）纵向的杨氏模量为至少650kg / mm2，横向的杨氏模量相同 大于或等于长度方向的杨氏模量，（b）当在100℃下处理30分钟时，横向的热收缩率为1.0-3.0％，（c）表面粗糙度 ，Ra为0.005μm以下，（d）在空气中在160℃下处理5分钟时，（b）出料低聚物的量不大于0.01面积％，（B）薄的磁性金属层 厚度为100〜1500nm，形成在基板的一个表面上，（C）厚度不大于1μm的润滑剂的有机聚合物层，形成在基板的另一个表面上， 润滑剂为平均粒径为0.1〜2.0μm的颗粒形式。 该磁记录带具有高的矫顽力和优异的运行耐久性，并且能够长时间以高密度和高灵敏度记录数据。
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公开(公告)号：US5494739A
公开(公告)日：1996-02-27
申请号：US81308
申请日：1993-06-23
IPC分类号： B29C55/12 , B29K67/00 , B29L7/00 , C08G63/181 , C08G63/189 , C08J5/18 , C08L67/02 , G11B5/73 , G11B5/00
CPC分类号： C08J5/18 , G11B5/73 , C08J2367/02 , Y10S428/90 , Y10T428/25 , Y10T428/252 , Y10T428/31786
摘要： A biaxially oriented polyethylene-2,6-naphthalenedicarboxylate film, which can be used as a base film for a recording medium capable of high-density recording, characterized in that when h (unit: nm) stands for a height of a protrusion formed on the film surface, the numbers of protrusions in the range of 1.ltoreq.h
摘要翻译： PCT No.PCT / JP92 / 01404 Sec。 371日期：1993年6月23日 102（e）日期1993年6月23日PCT提交1993年10月4日PCT公布。 公开号WO93 / 09166 日期：1993年5月13日。双轴取向聚乙烯-2,6-萘二甲酸酯膜，其可用作能够进行高密度记录的记录介质的基膜，其特征在于，当h（单位：nm）表示 形成在膜表面上的突起的高度，1
/ = 1.607na-2.434的平面取向系数（NS）和平均折射率（na），该膜的表面粗糙度（Ra）为2-10nm，并且该膜具有 在70℃无负载下热处理1小时时，纵向热收缩率为0.08％以下。 -
公开(公告)号：US5731071A
公开(公告)日：1998-03-24
申请号：US503032
申请日：1995-07-17
CPC分类号： C08J5/18 , B29C55/12 , B29K2067/00 , C08J2367/02 , Y10S428/91 , Y10T428/31786
摘要： A biaxially oriented polyester film which has excellent resistances to dry heat deterioration and wet heat deterioration, which can withstand the use in an atmosphere of relatively high moisture content, and which is useful, for example, as an electrical insulating film, a film for transparent electrode, a film for absorption of electromagnetic wave (e.g. a film used as an inspection window of microwave oven) and a reflection film. This polyester contains �ethylene-2,6-naphthalenedicarboxylate as the main recurring unit.! 99.5 to 95 mole % of ethylene-2,6-naphthalenedicarboxylate and 0.5 to 5 mole % of ethylene-2,7-naphthalenedicarboxylate and has a density of 1.355 to 1.370 g/cm.sup.3 and an intrinsic viscosity of 0.62 to 0.90. The polyester film has an amount of terminal carboxyl in the polyester of 40 eg/10.sup.6 g or less and an amount of oligomers of 2.0 mg/m.sup.2 film or less.
摘要翻译： 一种双轴取向聚酯薄膜，其具有优异的干热劣化和湿热劣化性，其可以承受在较高含水量的气氛中的使用，并且其可用于例如电绝缘膜，透明膜 电极，用于吸收电磁波的膜（例如用作微波炉的检查窗的膜）和反射膜。 该聚酯含有[乙烯-2,6-萘二甲酸酯作为主要重复单元] 99.5-95摩尔％的乙烯-2,6-萘二羧酸酯和0.5-5摩尔％的乙烯-2,7-萘二甲酸酯，并且具有 1.355〜1.370g / cm 3，特性粘度为0.62〜0.90。 聚酯薄膜的聚酯中的末端羧基的量为40，例如/ 106g以下，低聚物的量为2.0mg / m 2以下。
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5.发明授权Biaxially oriented unidirectionally long polyethylene-2, 6-naphthalenedicarboxylate film 失效双轴取向单向长聚乙烯-2,6-萘二甲酸酯薄膜
公开(公告)号：US5470665A
公开(公告)日：1995-11-28
申请号：US414137
申请日：1995-03-30
CPC分类号： C08J5/18 , G11B5/73 , C08J2367/02 , Y10S428/91 , Y10T428/24355 , Y10T428/265 , Y10T428/31681 , Y10T428/31786
摘要： Provided is a biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film having the following characteristic properties;(A) both the Young's modulus in the longitudinal direction and the Young's modulus in the transverse direction are at least 600 kg/mm.sup.2, and the Young's modulus in the longitudinal direction is greater than the Young's modulus in the transverse direction,(B) the heat shrinkage factor in the transverse direction when the film has been treated under no load at 105.degree. C. for 30 minutes is at least 1%, and(C) the surface roughness Ra of one surface of the film is up to 5 nm, anda magnetic recording tape obtained by forming a thin magnetic metal film on the above film undergoes no curling, has high coercive force, has excellent electromagnetic conversion characteristic and permits high-density recording for a long period of time.
摘要翻译： 本发明提供具有以下特征的双轴取向单向长聚乙烯-2,6-萘二甲酸酯薄膜; （A）长度方向的杨氏模量和横向的杨氏模量均为600kg / mm2以上，纵向的杨氏模量大于横向的杨氏模量，（B） 当薄膜在无负载下在105℃下处理30分钟时，横向的热收缩系数至少为1％，（C）薄膜的一个表面的表面粗糙度Ra达5nm， 并且通过在上述膜上形成薄磁性金属膜而获得的磁记录带不会发生卷曲，具有高的矫顽力，具有优异的电磁转换特性并且允许长时间的高密度记录。
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公开(公告)号：US5352534A
公开(公告)日：1994-10-04
申请号：US203923
申请日：1994-03-01
IPC分类号： C08G63/185 , C08G63/672 , C08J5/18 , H01B3/42 , B32B27/36
CPC分类号： C08J5/18 , C08G63/185 , C08G63/672 , H01B3/422 , C08J2367/02 , Y10T428/31786
摘要： An oriented polyester film (A) which comprises modified polyethylene-2,6-naphthalenedicarboxylate containing a 4,4'-diphenyldicarboxylic acid component and having a heat of crystallization of 16 to 25.5 Joule/g, and (B) which is biaxially oriented; and an oriented polyester film (A') which comprises modified polyethylene-2,6-naphthalenedicarboxylate containing of a glycol component derived from a compound represented by the following formula, ##STR1## wherein each of n and m is independently a positive number of 1 to 9 as an average, provided that m+n equals 2 to 9 as an average, and having a heat of crystallization of 6 to 20 Joule/g, and (B) which is biaxially oriented. These films are useful as a base film for a magnetic recording tape or as an electric insulation film.
摘要翻译： 一种定向聚酯膜（A），其包含含有4,4'-二苯基二羧酸组分的改性聚乙烯-2,6-萘二甲酸酯，结晶热为16-25.5焦耳/克，（B）为双轴取向; 和含有衍生自下式表示的化合物的二醇成分的改性聚乙烯-2,6-萘二甲酸酯的取向聚酯膜（A'），其中n和m各自独立地为1的正数 平均值为9，条件是m + n平均为2〜9，结晶热为6〜20焦耳/克，（B）为双轴取向。 这些膜可用作磁记录带或电绝缘膜的基膜。
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7.发明授权Biaxially oriented, polyethylene-2, 6-naphthalate film and magnetic tape formed therefrom 失效双轴取向聚乙烯-2,6-萘二甲酸酯膜和由其形成的磁带
公开(公告)号：US5958553A
公开(公告)日：1999-09-28
申请号：US795317
申请日：1997-02-03
申请人： Masahiro Hosoi , Hisashi Hamano , Yasuhiro Saeki , Masami Etchu
发明人： Masahiro Hosoi , Hisashi Hamano , Yasuhiro Saeki , Masami Etchu
CPC分类号： C08J5/18 , B29C55/12 , G11B5/7305 , G11B5/733 , B29K2067/00 , B29K2105/16 , C08J2367/02 , C08J2367/08 , Y10S428/91 , Y10T428/24355 , Y10T428/24975 , Y10T428/25 , Y10T428/254 , Y10T428/259 , Y10T428/268 , Y10T428/269 , Y10T428/31786
摘要： A biaxially oriented polyethylene-2,6-naphthalate film suitable for producing magnetic recording media wherein the film has a Young's modulus of at least 550 kg/mm.sup.2 in the longitudinal direction and a Young's modulus of at least 800 kg/mm.sup.2 in the transverse direction with the Young's modulus in the transverse direction being greater than the Young's modulus in the longitudinal direction by more than 200 kg/mm.sup.2 ; a surface roughness Ra of 1-12 nm; and low heat shrinkage. The film also contains 0.005-2% by weight inorganic or organic fine particles.
摘要翻译： 一种适用于生产磁性记录介质的双轴取向聚乙烯-2,6-萘二甲酸盐膜，其中该膜的纵向杨氏模量至少为550kg / mm2，横向的杨氏模量为至少800kg / mm2 横向的杨氏模量大于纵向的杨氏模量大于200kg / mm2; 表面粗糙度Ra为1-12nm; 和低热收缩。 该膜还含有0.005-2重量％的无机或有机细颗粒。
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8.发明授权Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film 失效双轴取向，单向长度聚乙烯-2,6-萘二甲酸酯薄膜
公开(公告)号：US5677033A
公开(公告)日：1997-10-14
申请号：US453774
申请日：1995-05-30
CPC分类号： G11B5/73 , Y10T428/24355 , Y10T428/265 , Y10T428/31786
摘要： Provided is a biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film having the following characteristic properties; (A) both the Young's modulus in the longitudinal direction and the Young's modulus in the transverse direction are at least 600 kg/mm.sup.2, and the Young's modulus in the longitudinal direction is greater than the Young's modulus in the transverse direction, (B) the heat shrinkage factor in the transverse direction when the film has been treated under no load at 105.degree. C. for 30 minutes is at least 1%, and (C) the surface roughness Ra of one surface of the film is up to 5 nm, and a magnetic recording tape obtained by forming a thin magnetic metal film on the above film undergoes no curling, has high coercive force, has excellent electromagnetic conversion characteristic and permits high-density recording for a long period of time.
摘要翻译： 本发明提供具有以下特征的双轴取向单向长聚乙烯-2,6-萘二甲酸酯薄膜; （A）长度方向的杨氏模量和横向的杨氏模量均为600kg / mm2以上，纵向的杨氏模量大于横向的杨氏模量，（B） 当薄膜在无负载下在105℃下处理30分钟时，横向的热收缩系数至少为1％，（C）薄膜的一个表面的表面粗糙度Ra达5nm， 并且通过在上述膜上形成薄磁性金属膜而获得的磁记录带不会发生卷曲，具有高的矫顽力，具有优异的电磁转换特性并且允许长时间的高密度记录。
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9.发明授权Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefrom 失效双轴取向的单向长的聚2,6-萘二甲酸乙二醇酯薄膜和磁带
公开(公告)号：US5415930A
公开(公告)日：1995-05-16
申请号：US181377
申请日：1994-01-14
申请人： Masami Etchu , Hisashi Hamano , Masahiro Hosoi , Yasuhiro Saeki
发明人： Masami Etchu , Hisashi Hamano , Masahiro Hosoi , Yasuhiro Saeki
CPC分类号： C08J5/18 , B29C55/14 , C08K3/26 , C08K3/36 , G11B5/733 , B29K2067/00 , B29K2105/16 , C08J2367/02 , Y10S428/90 , Y10T428/25 , Y10T428/31 , Y10T428/31786
摘要： A biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film,(A) which contains(a) 0.05 to 0.4% by weight of first inert solid particles having an average particle diameter of 0.05 to 0.3 .mu.m, and(b) 0.005 to 0.05% by weight of second inert solid particles having an average particle diameter of 0.3 to 1.0 .mu.m, this average particle diameter being greater than the average particle diameter of the first inert solid particles by at least 0.2 .mu.m, wherein:(B) the Young's modulus in the length direction is at least 650 kg/mm.sup.2, the Young's modulus in the width direction is at least 600 kg/mm.sup.2, the Young's modulus in the length direction is greater than the Young's modulus in the width direction,(C) the heat shrinkage factor in the length direction in heat treatment at 70.degree. C. for 1 hour under no load is not more than 0.08%, and(D) the surface roughness, Ra, is 3 to 10 nm; and a magnetic tape obtained therefrom.
摘要翻译： 一种双轴取向的单向长度聚乙烯-2,6-萘二甲酸酯膜（A），其含有（a）0.05〜0.4重量％的平均粒径为0.05〜0.3μm的第一惰性固体颗粒，（b） 0.005〜0.05重量％的平均粒径为0.3〜1.0μm的第二惰性固体颗粒，该平均粒径比第一惰性固体颗粒的平均粒径大至少0.2μm，其中：（ B）长度方向的杨氏模量为至少650kg / mm2，宽度方向的杨氏模量为600kg / mm2以上，长度方向的杨氏模量大于宽度方向的杨氏模量， （C）无负载下70℃热处理1小时长度方向的热收缩率不大于0.08％，（D）表面粗糙度Ra为3〜10nm; 和从其获得的磁带。
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公开(公告)号：US5312893A
公开(公告)日：1994-05-17
申请号：US32102
申请日：1993-03-17
IPC分类号： C08G63/185 , C08G63/672 , C08J5/18 , H01B3/42 , C08G63/00
CPC分类号： C08J5/18 , C08G63/185 , C08G63/672 , H01B3/422 , C08J2367/02 , Y10T428/31786
摘要： An oriented polyester film (A) which comprises modified polyethylene-2,6-naphthalenedicarboxylate containing a 4,4'-diphenyldicarboxylic acid component and having a heat of crystallization of 16 to 25.5 Joule/g, and (B) which is biaxially oriented; and an oriented polyester film (A') which comprises modified polyethylene-2,6-naphthalenedicarboxylate containing of a glycol component derived from a compound represented by the following formula, ##STR1## wherein each of n and m is independently a positive number of 1 to 9 as an average, provided that m+n equals 2 to 9 as an average and having a heat of crystallization of 6 to 20 Joule/g, and (B) which is biaxially oriented. These films are useful as a base film for a magnetic recording tape or as an electric insulation film.
摘要翻译： 一种定向聚酯膜（A），其包含含有4,4'-二苯基二羧酸组分的改性聚乙烯-2,6-萘二甲酸酯，结晶热为16-25.5焦耳/克，（B）为双轴取向; 和含有衍生自下式表示的化合物的二醇成分的改性聚乙烯-2,6-萘二甲酸酯的取向聚酯膜（A'），其中n和m各自独立地为1的正数 平均为9，条件是m + n平均为2〜9，结晶热为6〜20焦耳/ g，（B）为双轴取向。 这些膜可用作磁记录带或电绝缘膜的基膜。
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