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公开(公告)号：US4666781A
公开(公告)日：1987-05-19
申请号：US759298
申请日：1985-07-26
申请人： August Lehner , Guenter Heil , Jenoe Kovacs , Werner Balz , Werner Lenz
发明人： August Lehner , Guenter Heil , Jenoe Kovacs , Werner Balz , Werner Lenz
IPC分类号： C09D5/23 , C09D175/04 , C09D175/14 , G11B5/702
CPC分类号： G11B5/702 , Y10S428/90 , Y10T428/31609
摘要： Magnetic recording media comprising a non-magnetic substrate and a magnetic layer comprising a finely divided magnetic material dispersed in an organic solvent soluble, crosslinkable, essentially linear, thermoplastic polyurethane which possesses acrylate side and terminal groups wherein said polyurethane is prepared by reacting poly- and/or diisocyanates with a mixture of (a) methacrylate - or acrylate - diols having molecular weights of from 146 to 3,000, (b) monoesters of methacrylic or acrylic acid and a diol having a molecular weight of from 116 to 300, and (c) other organic polydiol compounds which have molecular weights of from 400 to 5,000.
摘要翻译： 包含非磁性基底和磁性层的磁性记录介质包括分散在有机溶剂可溶性，可交联的，基本上线性的热塑性聚氨酯中的细碎磁性材料，其具有丙烯酸酯侧和端基，其中所述聚氨酯通过聚 （a）分子量为146〜3000的（a）甲基丙烯酸酯或丙烯酸酯 - 二醇的混合物的二异氰酸酯，（b）甲基丙烯酸或丙烯酸的单酯和分子量为116〜300的二醇和（c ）分子量为400至5,000的其它有机聚二醇化合物。
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公开(公告)号：US4559118A
公开(公告)日：1985-12-17
申请号：US648936
申请日：1984-09-10
申请人： Guenter Heil , Herbert Spoor , Werner Lenz , Jenoe Kovacs , Werner Grau , Werner Balz , August Lehner
发明人： Guenter Heil , Herbert Spoor , Werner Lenz , Jenoe Kovacs , Werner Grau , Werner Balz , August Lehner
IPC分类号： C08F2/46 , C08G18/67 , C09D5/23 , C09D163/00 , C09D171/00 , C09D171/12 , C09D175/04 , C09D175/14 , G11B5/702
CPC分类号： G11B5/7026 , C08G18/672 , G11B5/7022 , Y10S428/90 , Y10S428/928 , Y10T428/2982 , Y10T428/31511 , Y10T428/31551 , Y10T428/31565 , Y10T428/31609 , Y10T428/31786
摘要： Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 50 to 100% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 0 to 50% by weight of an acrylate and/or an acrylate prepolymer and/or an N-vinyl monomer and/or an N-vinyl prepolymer.
摘要翻译： 磁性记录介质包括非磁性基体和一个或多个由含有细碎磁性材料的有机粘合剂基质组成的磁性层，所述基质通过电子束固化50至100重量％的聚氨酯 具有可聚合双键的丙烯酸酯聚合物和0至50重量％的丙烯酸酯和/或丙烯酸酯预聚物和/或N-乙烯基单体和/或N-乙烯基预聚物。
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公开(公告)号：US4560456A
公开(公告)日：1985-12-24
申请号：US648948
申请日：1984-09-10
申请人： Guenter Heil , Werner Lenz , Jenoe Kovacs , Werner Grau , Werner Balz
发明人： Guenter Heil , Werner Lenz , Jenoe Kovacs , Werner Grau , Werner Balz
IPC分类号： C08F2/54 , C08G18/67 , C09D5/23 , C09D163/00 , C09D175/04 , C09D175/14 , G11B5/702 , C08F2/46
CPC分类号： G11B5/7026 , C08G18/672 , G11B5/7022 , Y10S428/90 , Y10S428/928 , Y10T428/2982 , Y10T428/31504 , Y10T428/31511 , Y10T428/31551 , Y10T428/31565 , Y10T428/31609 , Y10T428/31786
摘要： Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 70 to 90% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 10 to 30% by weight of one or more copolymerizable compounds.
摘要翻译： 磁记录介质包括非磁性基体和一个或多个由含有细碎磁性材料的有机粘合剂基质组成的磁性层，所述基体通过电子束固化70至90重量％的聚氨酯 丙烯酸酯聚合物和10至30重量％的一种或多种可共聚合的化合物。
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公开(公告)号：US4666783A
公开(公告)日：1987-05-19
申请号：US734185
申请日：1985-05-15
申请人： Guenter Heil , Werner Lenz , Jenoe Kovacs
发明人： Guenter Heil , Werner Lenz , Jenoe Kovacs
IPC分类号： C08G18/67 , C09D5/23 , C09D175/04 , C09D175/14 , G11B5/702
CPC分类号： G11B5/7026 , C08G18/672 , G11B5/7022 , Y10S428/90 , Y10T428/31609
摘要： Magnetic recording media comprise a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said binder matrix being obtained by electron beam curing of a mixture of from 60 to 100% by weight of a polyurethane acrylate polymer possessing polymerizable acrylate double bonds and from 0 to 40% by weight of an acrylate monomer and/or an acrylate prepolymer and/or an N-vinyl monomer.
摘要翻译： 磁记录介质包括非磁性基体和一个或多个由含有细碎磁性材料的有机粘合剂基质组成的磁性层，所述粘合剂基质通过电子束固化获得，该混合物为60至100重量％ 具有可聚合丙烯酸酯双键的聚氨酯丙烯酸酯聚合物和0至40重量％的丙烯酸酯单体和/或丙烯酸酯预聚物和/或N-乙烯基单体。
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公开(公告)号：US4557813A
公开(公告)日：1985-12-10
申请号：US648946
申请日：1984-09-10
申请人： Guenter Heil , Werner Lenz , Jenoe Kovacs
发明人： Guenter Heil , Werner Lenz , Jenoe Kovacs
IPC分类号： C08F2/46 , C09D5/23 , C09D163/00 , C09D175/04 , C09D175/14 , G11B5/702
CPC分类号： G11B5/7022 , Y10S428/90 , Y10S428/928 , Y10T428/2982 , Y10T428/31504 , Y10T428/31511 , Y10T428/31551 , Y10T428/31565 , Y10T428/31609 , Y10T428/31786
摘要： Magnetic recording media comprising a non-magnetic base and one or more magnetic layers consisting of an organic binder matrix containing finely divided magnetic material, the said matrix being obtained by electron beam curing of a mixture of from 60 to 100% by weight of a polyurethane acrylate polymer possessing polymerizable double bonds and from 0 to 40% by weight of an acrylate and/or an acrylate prepolymer and/or an N-vinyl monomer and/or an N-vinyl prepolymer.
摘要翻译： 磁性记录介质包括非磁性基底和一个或多个由含有细碎磁性材料的有机粘合剂基质组成的磁性层，所述基质通过电子束固化60至100重量％的聚氨酯 具有可聚合双键的丙烯酸酯聚合物和0至40重量％的丙烯酸酯和/或丙烯酸酯预聚物和/或N-乙烯基单体和/或N-乙烯基预聚物。
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公开(公告)号：US5006406A
公开(公告)日：1991-04-09
申请号：US243094
申请日：1988-09-12
申请人： Jenoe Kovacs , Milena Melzer , Werner Balz , Werner Lenz , Werner Loch , Helmut Jakusch
发明人： Jenoe Kovacs , Milena Melzer , Werner Balz , Werner Lenz , Werner Loch , Helmut Jakusch
IPC分类号： G11B5/706 , C09D5/23 , C09D7/12 , C09D167/00 , C09D177/00 , C09D183/04 , G11B5/70 , G11B5/702 , G11B5/708 , G11B5/71
CPC分类号： G11B5/71 , G11B5/70 , G11B5/702 , G11B5/7085 , Y10S428/90 , Y10T428/25 , Y10T428/257
摘要： In magnetic recording media which have at least one magnetizable layer firmly applied to a nonmagnetic base, the magnetizable layer essentially consists of a magnetic material finely dispersed in an organic polymer binder, a dispersant, a lubricant and other conventional additives.
摘要翻译： 在具有牢固地施加到非磁性基底上的至少一个可磁化层的磁记录介质中，可磁化层基本上由细分散在有机聚合物粘合剂，分散剂，润滑剂和其它常规添加剂中的磁性材料组成。
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公开(公告)号：US4629632A
公开(公告)日：1986-12-16
申请号：US759235
申请日：1985-07-26
申请人： Werner Balz , Jenoe Kovacs , Hilmar Lechner , Dieter Schaefer , Ingolf Buethe
发明人： Werner Balz , Jenoe Kovacs , Hilmar Lechner , Dieter Schaefer , Ingolf Buethe
IPC分类号： G11B5/702 , C09D5/23 , C09D171/00 , C09D171/12 , C09D175/06 , G11B5/73 , G11B5/738 , G11B5/842 , B05D3/06
CPC分类号： G11B5/7305
摘要： Layer-type magnetic recording media are produced by applying a dispersion of a magnetically anisotropic material in a binder solution onto a flexible plastic base provided with an adhesion-promoting layer and then solidifying the magnetic layer, by a method in which the adhesion-promoting layer consists of a radiation-curable aqueous dispersion of a polymer.
摘要翻译： 通过将粘合剂溶液中的磁各向异性材料的分散体涂布在具有粘合促进层的柔性塑料基底上，然后通过使粘合促进层固化的方法制备层状磁记录介质 由可辐射固化的聚合物的水分散体组成。
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公开(公告)号：US4842896A
公开(公告)日：1989-06-27
申请号：US99624
申请日：1987-09-22
申请人： Werner Grau , Albert Kohl , Jenoe Kovacs , Werner Balz , Wulf Muenzer
发明人： Werner Grau , Albert Kohl , Jenoe Kovacs , Werner Balz , Wulf Muenzer
CPC分类号： G11B5/7085 , G11B5/72 , Y10S428/90
摘要： Magnetic recording media, consisting of a non-magnetic base and a magnetic layer firmly bonded thereto, exhibit improved properties in sustained operation if, in the course of their production, a dispersion of inorganic particles in a solvent is applied to the magnetic layer, and the solvent is then removed.
摘要翻译： 如果磁性记录介质由非磁性基体和牢固地结合在其上的磁性层组成，则在持续操作中表现出改进的性能，如果在其生产过程中将无机颗粒在溶剂中的分散体施加到磁性层上，以及 然后除去溶剂。
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公开(公告)号：US4581296A
公开(公告)日：1986-04-08
申请号：US705795
申请日：1985-02-26
申请人： Werner Balz , Jenoe Kovacs , Wulf Muenzner , Hermann Roller
发明人： Werner Balz , Jenoe Kovacs , Wulf Muenzner , Hermann Roller
CPC分类号： G11B5/708 , Y10S428/90 , Y10T428/25 , Y10T428/256 , Y10T428/257 , Y10T428/3154 , Y10T428/31544 , Y10T428/31645
摘要： Magnetic recording media consist of a non-magnetic base and a magnetic layer firmly bonded thereto, the magnetic layer containing further additives in addition to ferromagnetic metal powder, an organic binder, a metal oxide powder and conventional assistants.
摘要翻译： 磁记录介质由非磁性基体和与其牢固结合的磁性层组成，除了铁磁性金属粉末，有机粘合剂，金属氧化物粉末和常规助剂之外，磁性层还含有其它添加剂。
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公开(公告)号：US4775553A
公开(公告)日：1988-10-04
申请号：US887936
申请日：1986-07-22
申请人： Jenoe Kovacs , Peter Engelhardt , Hermann Roller , Lothar Schwarz , Peter Nagel
发明人： Jenoe Kovacs , Peter Engelhardt , Hermann Roller , Lothar Schwarz , Peter Nagel
CPC分类号： G11B5/842 , G11B5/84 , Y10S428/90
摘要： Magnetic recording media are produced by dispersing pulverulent magnetic material in a mixture of a solvent, an organic polymer binder, a dispersant and other conventional additives, with the aid of a conventional dispersing apparatus and using a particular ceramic grinding medium, applying the resulting dispersion in the form of a layer on a base and then compacting the layer.
摘要翻译： 磁性记录介质是通过将粉状磁性材料分散在溶剂，有机聚合物粘合剂，分散剂和其它常规添加剂的混合物中，借助常规分散装置和使用特定的陶瓷研磨介质，将所得到的分散体 在基底上的层的形式，然后压实该层。
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