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公开(公告)号：EP0158960A3
公开(公告)日：1988-07-06
申请号：EP85104282
申请日：1985-04-09
Applicant: HOECHST AKTIENGESELLSCHAFT
Inventor： Hensel, Hartmut, Dr. , Dallmann, Hermann, Dr.
IPC: G11B05/704 , B32B27/36 , G11B05/64 , G11B05/848
CPC classification number: B32B27/36 , B32B5/16 , B32B27/14 , B32B27/20 , B32B2250/24 , B32B2307/208 , B32B2307/518 , B32B2307/746 , B32B2367/00 , B32B2429/02 , G11B5/733 , G11B5/735 , G11B5/848 , Y10S428/90 , Y10S428/91 , Y10T428/2495 , Y10T428/25 , Y10T428/265 , Y10T428/31786
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公开(公告)号：WO1995001636A1
公开(公告)日：1995-01-12
申请号：PCT/US1994006382
申请日：1994-06-07
Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
Inventor： MINNESOTA MINING AND MANUFACTURING COMPANY , RUSTAD, Norman, E. , BENGSTON, Bruce, H. , HEGEL, Ramon, F.
IPC: G11B05/704
CPC classification number: G11B5/7021 , G11B5/7022 , G11B5/7028 , Y10S428/90 , Y10T428/31609
Abstract: A magnetic recording medium, comprising a magnetic coating provided on a nonmagnetizable substrate, wherein the magnetic coating comprises a magnetic pigment dispersed in a polymeric binder, said binder being a matrix of cured components which comprise a film-forming, unhindered, aromatic polyisocyanate crosslinking agent and a polymer component.
Abstract translation: 一种磁记录介质，包括设置在不可磁化的基板上的磁性涂层，其中所述磁性涂层包含分散在聚合物粘合剂中的磁性颜料，所述粘合剂是包含成膜的，不受阻碍的芳族多异氰酸酯交联剂的固化组分的基体 和聚合物组分。
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公开(公告)号：WO1994011866A1
公开(公告)日：1994-05-26
申请号：PCT/US1993010083
申请日：1993-10-21
IPC: G11B05/704
CPC classification number: G11B5/735
Abstract: In the back coating containing carbon black, a nitrocellulose resin and a polyurethane resin, the present invention can improve remarkably dispersion stability with time of the coating by the use of a polyurethane resin satisfying a predetermined requirement, and can prevent the occurrence of flocculation of carbon black for more than 40 days.
Abstract translation: 在含有炭黑，硝基纤维素树脂和聚氨酯树脂的背面涂料中，本发明可以通过使用满足预定要求的聚氨酯树脂来显着地提高涂布时间的分散稳定性，并且可以防止碳的絮凝发生 黑色超过40天。
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14.发明申请POLYESTER FILM WITH SMOOTH AND HIGHLY ADHESIVE SURFACE AND METHOD OF MAKING SAME 审中-公开具有平滑和高粘合表面的聚酯薄膜及其制造方法
公开(公告)号：WO1987002172A1
公开(公告)日：1987-04-09
申请号：PCT/JP1985000550
申请日：1985-10-03
Applicant: TORAY INDUSTRIES, INC.
Inventor： TORAY INDUSTRIES, INC. , HATADA, Kenji , KAWAKAMI, Ken-ichi , KOBAYASHI, Hiroaki
IPC: G11B05/704
CPC classification number: C08J5/18 , B29C55/005 , B29C55/023 , B29C59/14 , B29K2067/00 , B29K2995/0072 , C08J2367/02 , G11B5/7305 , Y10S428/90 , Y10S428/91 , Y10T428/24355 , Y10T428/24372 , Y10T428/31786
Abstract: A biaxially stretched polyester film having a modified surface with an excellent bondability, in which both the surface smoothness and the slip characteristic, which are contradictory to each other, are satisfactory. This biaxially stretched polyester film has a multiplicity of ultra-fine protrusions which are an integral part of the film and dyeable with osmic acid. The film is prepared by subjecting an undrawn or drawn polyester sheet to a plasma treatment and then drawing the treated sheet at least once. The film is valuable as a base for a magnetic recording medium.
Abstract translation: 具有彼此矛盾的表面平滑度和滑移特性两者具有优异粘合性的改性表面的双轴拉伸聚酯膜是令人满意的。 该双轴拉伸聚酯薄膜具有多个超微细突起，它们是该膜的组成部分并且可用奥斯米酸染色。 通过对未拉伸或拉伸的聚酯薄片进行等离子体处理，然后将处理的薄片拉伸至少一次来制备薄膜。 该胶片作为磁记录介质的基础是有价值的。
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公开(公告)号：WO1996000439A1
公开(公告)日：1996-01-04
申请号：PCT/JP1995001247
申请日：1995-06-21
Applicant: TORAY INDUSTRIES, INC. , TSUKUDA, Akimitsu , YONEYAMA, Kazumasa , ITO, Nobuaki
Inventor： TORAY INDUSTRIES, INC.
IPC: G11B05/704
CPC classification number: G11B5/733 , G11B5/73 , G11B5/738 , Y10S428/90 , Y10T428/24355 , Y10T428/24942 , Y10T428/31721 , Y10T428/31725
Abstract: A magnetic recording medium comprising a magnetic layer provided on one side of a base film made from an aromatic polyamide or polyimide, wherein the number (H2) of coarse surface protrusions on the magnetic layer side and the number (H3) of coarse surface protrusions on the nonmagnetic layer side satisfy the following conditions: H2 /= 800 kg/mm , 0.5
Abstract translation: 一种磁记录介质，包括设置在由芳族聚酰胺或聚酰亚胺制成的基膜的一侧上的磁性层，其中磁性层侧的粗糙表面突起的数量（H2）和粗糙表面突起的数量（H3） 非磁性层侧满足以下条件：H 2 <50，2 和在20℃下基膜的至少一个方向上的伸长率的杨氏模量（E20）和杨氏模量 在100℃下与基膜相同方向延伸的（E100）满足以下条件：E20> = 800kg / mm2，0.5≤E100/ E20。 该介质在恶劣的环境条件下，特别是在高温下，耐久性，行进行为和输出特性优异。
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Patent Agency Ranking16.发明申请LIGHT-TRANSMITTING HIGH RECORDING DENSITY MAGNETIC RECORDING MEDIUM HAVING AN UNDERCOATING LAYER 审中-公开具有下层的轻型发射高记录密度磁记录介质
公开(公告)号：WO1994018673A1
公开(公告)日：1994-08-18
申请号：PCT/US1994001354
申请日：1994-02-07
Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY , ETCHU, Koji , OIRI, Shigeto
IPC: G11B05/704
CPC classification number: G11B5/738
Abstract: A light-transmitting servo tracking type high recording density magnetic recording medium provided with a nonmagnetic supporting member and a magnetic layer, which magnetic recording medium is characterized by the fact that an undercoating layer containing an electrically conductive, inorganic, nonmagnetic substance is interposed between the nonmagnetic supporting member and the magnetic layer. The magnetic layer is less than about 1 mu m thick and has a light transmittance of at least 40 %.
Abstract translation: 一种具有非磁性支撑构件和磁性层的透光伺服跟踪型高记录密度磁记录介质，该磁记录介质的特征在于，含有导电无机非磁性物质的底涂层介于 非磁性支撑构件和磁性层。 磁性层的厚度小于1μm，透光率至少为40％。
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17.发明申请
公开(公告)号：WO1993019461A1
公开(公告)日：1993-09-30
申请号：PCT/US1993002206
申请日：1993-03-11
Applicant: THE DOW CHEMICAL COMPANY
Inventor： THE DOW CHEMICAL COMPANY , PERETTIE, Donald, J. , PIERINI, Peter, E. , McCARTHY, Timothy, M.
IPC: G11B05/704
Abstract: A magnetic recording medium, such as a tape or a floppy disc, is made using a substrate of high modulus polybenzazole polymer film. Suitable films can be coagulated from anisotropic polybenzazole dopes. A continuous layer of magnetizable material is deposited upon the substrate at high temperature.
Abstract translation: 使用高模量聚吲哚聚合物膜的基材制造诸如胶带或软盘的磁记录介质。 合适的膜可以从各向异性聚苯并恶唑混合而成。 可磁化材料的连续层在高温下沉积在基底上。
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18.发明申请COATED MAGNETIC RECORDING MEDIUM, PAINT FOR COATED MAGNETIC MEDIUM AND METHOD FOR PRODUCING COATED MAGNETIC MEDIUM 审中-公开涂覆磁记录介质，涂层磁性介质涂料及其生产涂敷磁性介质的方法
公开(公告)号：WO1995009417A1
公开(公告)日：1995-04-06
申请号：PCT/US1994011013
申请日：1994-09-27
IPC: G11B05/704
CPC classification number: G11B5/7022 , G11B5/738 , G11B5/8404 , G11B5/842
Abstract: A coated magnetic recording medium includes a nonmagnetic support, a primer layer formed on the nonmagnetic support, and an upper magnetic layer formed on the primer layer. The primer layer and the upper magnetic layer contain, as a binder, a polyurethane resin and a polyvinyl chloride base resin. The weight ratio of the polyurethane resin to the polyvinyl chloride base resin in the primer layer is from 70:30 to 90:10, and the weight ratio of the polyurethane resin to the polyvinyl chloride base resin in the upper magnetic layer is from 20:80 to 40:60. A method for producing the coated magnetic recording medium is also described.
Abstract translation: 涂覆的磁记录介质包括非磁性载体，形成在非磁性载体上的底漆层和形成在底漆层上的上磁性层。 底涂层和上磁性层含有聚氨酯树脂和聚氯乙烯基树脂作为粘合剂。 聚氨酯树脂与底漆层中的聚氯乙烯基树脂的重量比为70:30〜90:10，上部磁性层中的聚氨酯树脂与聚氯乙烯基树脂的重量比为20： 80到40:60。 还描述了制备涂覆的磁记录介质的方法。
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19.发明申请
公开(公告)号：WO1993019462A1
公开(公告)日：1993-09-30
申请号：PCT/US1993002207
申请日：1993-03-11
Applicant: THE DOW CHEMICAL COMPANY
Inventor： THE DOW CHEMICAL COMPANY , PERETTIE, Donald, J. , PIERINI, Peter, E. , McCARTHY, Timothy, M.
IPC: G11B05/704
Abstract: A magnetic recording medium, such as a tape or a floppy disc, can be made using a substrate of high modulus polybenzazole polymer film. Suitable films can be coagulated from anisotropic polybenzazole dopes. A continuous layer of magnetizable material may be deposited upon the substrate at high temperature.
Abstract translation: 可以使用高模量聚吲哚聚合物膜的基材来制造诸如带或软盘的磁记录介质。 合适的膜可以从各向异性聚苯并恶唑混合而成。 可以在高温下将可连续的可磁化材料层沉积在基底上。
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20.发明申请MAGNETIC RECORDING MEDIUM WITH BUMPY BACKSIDE COATING DERIVED FROM BLOCK COPOLYMERS 审中-公开带有从嵌段共聚物衍生的背面涂层的磁记录介质
公开(公告)号：WO1993016466A1
公开(公告)日：1993-08-19
申请号：PCT/US1993000613
申请日：1993-01-22
Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
Inventor： MINNESOTA MINING AND MANUFACTURING COMPANY , BENGTSON, Bruce, H. , SEHON, Russell, D. , EVANS, Christopher, M. , NORMAN, Colin, F., W.
IPC: G11B05/704
CPC classification number: G11B5/735
Abstract: An improved magnetic recording medium comprising a nonmagnetic support having opposed first and second major surfaces, a magnetic coating on said first major surface, and a backside coating on said second major surface. The backside coating comprises a block copolymer having the general formula: (A-B)n-Y, wherein: Y is a multifunctional coupling moiety; n is 2 to 15; A is a polymeric segment having a Tg of greater than about 70 DEG C; B is a polymeric segment having a Tg of less than about 25 DEG C, wherein B is incompatible with A.
Abstract translation: 一种改进的磁记录介质，其包括具有相对的第一和第二主表面的非磁性载体，在所述第一主表面上的磁性涂层，以及在所述第二主表面上的背面涂层。 背面涂层包括具有以下通式的嵌段共聚物：（A-B）n-Y，其中：Y是多官能偶联部分; n为2〜15; A是Tg大于约70℃的聚合物链段; B是Tg小于约25℃的聚合物链段，其中B与A不相容。
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