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公开(公告)号：US4435485A
公开(公告)日：1984-03-06
申请号：US295306
申请日：1981-08-24
IPC分类号： C08F2/00 , C08F2/46 , C08F2/48 , C08F2/54 , C08L33/00 , C08L33/04 , C09D4/00 , C09D5/23 , C09D175/14 , G11B5/702 , H01F10/02
CPC分类号： G11B5/7026 , G11B5/7023 , Y10S428/90 , Y10T428/31786
摘要： The magnetic recording medium contains the magnetic layer comprising the magnetic or magnetizable powders or particles and the binder comprising a composition containing(A) a compound represented by formula (V): ##STR1## (wherein R is methyl or ethyl group and X is a group containing an acrylic or methacrylic double bond; i is a number in the range of approximately 200 to 800, j is a number in the range of approximately 10 to 200, k is a number in the range up to approximately 200, and l is a number in the range of approximately 3 to 100, provided that the division of l by the sum of k and l is in the range from approximately 0.2 to 1.0)and(B) a compound having at least two acrylic and/or methacrylic double bonds in the molecule thereof and having a molecular weight ranging from approximately 1,000 to 6,000 in which the molecular weight in the molecule per one double bond is in the range from approximately 80 to 3,000.The composition is cured by the irradiation of radiation so that the magnetic recording medium has an improved durability as well as physical strengths in the magnetic layer thereon.
摘要翻译： 磁记录介质含有包含磁性或可磁化粉末或颗粒的磁性层，粘合剂包括含有（A）由式（V）表示的化合物的组合物：其中R是甲基或乙基，X是 基团为丙烯酸或甲基丙烯酸双键; i为约200〜800范围内的数，j为约10〜200的数，k为约200以下的数，l为 大约3至100范围内的数字，条件是除以k和l的总和除以约0.2至1.0）和（B）具有至少两个丙烯酸和/或甲基丙烯酸双酯的化合物 分子中的键，其分子量范围为约1,000至6,000，其中每个双键的分子中的分子量在约80至3,000的范围内。 组合物通过辐射照射而固化，使得磁记录介质在其上的磁性层中具有改善的耐久性以及物理强度。
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公开(公告)号：US4368242A
公开(公告)日：1983-01-11
申请号：US295390
申请日：1981-08-24
CPC分类号： G11B5/7023 , G11B5/7026 , Y10S428/90 , Y10T428/31663 , Y10T428/31935
摘要： The magnetic recording medium according to the present invention contains the magnetic layer comprising the magnetic or magnetizable powders or particles and the binder wherein the binder compound is represented by the following general formula (I): ##STR1## (wherein R is methyl group or ethyl group, R.sub.1 is an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 4 carbon atoms or a phenyl group, R.sub.2 is an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 4 carbon atoms, X is a group having a double bond, and Y is a group having a double bond, i is a number in the range of approximately 200 to 800, j is a number in the range of approximately 10 to 200, k is a number in the range up to approximately 200, l is a number in the range of approximately 3 to 100, and m is a number in the range of approximately 1 to 50). The compound is cured by the irradiation of radiation so that the magnetic recording medium has an improved durability and a superior resistance to chemicals as well as a good magnetic characteristics.
摘要翻译： 根据本发明的磁记录介质包含包含磁性或可磁化粉末或颗粒的磁性层和粘合剂，其中粘合剂化合物由以下通式（I）表示：其中R是甲基或乙基 基团，R 1是具有1至4个碳原子的烷基，具有1至4个碳原子的烷氧基或苯基，R 2是具有1至4个碳原子的烷基，具有1至 4个碳原子，X是具有双键的基团，Y是具有双键的基团，i是大约200-800范围内的数，j是约10〜200的数，k 是在高达约200的范围内的数字，l是大约3至100范围内的数字，m是大约1至50范围内的数字）。 化合物通过辐射照射而固化，使得磁记录介质具有改善的耐久性和优异的耐化学性以及良好的磁特性。
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公开(公告)号：US4384100A
公开(公告)日：1983-05-17
申请号：US267542
申请日：1981-05-27
申请人： Minoru Takamizawa , Shigeo Kimura , Masashi Somezawa , Kunio Kobayashi , Yoshio Inoue , Hiroshi Yoshioka
发明人： Minoru Takamizawa , Shigeo Kimura , Masashi Somezawa , Kunio Kobayashi , Yoshio Inoue , Hiroshi Yoshioka
IPC分类号： C08G77/00 , B29C33/64 , C08G77/22 , C08G77/24 , C08G77/38 , C08G77/385 , C10M107/50 , G11B5/71 , G11B5/73
CPC分类号： B29C33/64 , C08G77/24 , C08G77/385 , C10M107/50 , G11B5/71 , G11B5/7305 , C10M2229/051
摘要： The invention provides a novel diorganopolysiloxane compound composed of dimethysiloxane units, methyl (2-perfluoroalkylethyl)siloxane units and methyl acyloxyalkylsiloxane units. The novel diorganopolysiloxane compounds of the invention have excellent lubricating properties so that they are useful as an additive ingredient in various materials such as coating compositions, magnetic layer of recording tapes and the like where lubricity or mold releasability is essential.
摘要翻译： 本发明提供由二甲硅氧烷单元，甲基（2-全氟烷基乙基）硅氧烷单元和甲基酰氧基烷基硅氧烷单元组成的新型二有机聚硅氧烷化合物。 本发明的新型二有机聚硅氧烷化合物具有优异的润滑性能，因此它们可用作各种材料中的添加成分，例如涂料组合物，记录带的磁性层等，其中润滑性或脱模性是必需的。
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公开(公告)号：US4369230A
公开(公告)日：1983-01-18
申请号：US267922
申请日：1981-05-28
申请人： Shigeo Kimura , Masashi Somezawa , Kunio Kobayashi , Minoru Takamizawa , Yoshio Inoue , Hiroshi Yoshioka
发明人： Shigeo Kimura , Masashi Somezawa , Kunio Kobayashi , Minoru Takamizawa , Yoshio Inoue , Hiroshi Yoshioka
IPC分类号： G11B5/71 , C08G77/24 , C08G77/385 , C09D5/23 , C09D7/12 , G11B5/72 , G11B5/73 , G11B5/735 , G11B5/68
CPC分类号： G11B5/7305 , C08G77/24 , C08G77/385 , Y10S428/90 , Y10T428/12701 , Y10T428/3154 , Y10T428/31663
摘要： A magnetic recording medium having a layer containing as a lubricant one or more organo-polysiloxane compounds having the following formula (I): ##STR1## (wherein each of A.sub.1 and A.sub.2 is independently --CH.sub.3, --CH.sub.2 --CH.sub.2 --(CF.sub.2).sub.q --CF.sub.3 or --R.sub.1 OCOR.sub.2 ; R.sub.1 is a divalent hydrocarbon residue having 1 to 5 carbon atoms; R.sub.2 is a monovalent hydrocarbon residue having from 7 to 21 carbon atoms; each of l, m and n is independently O or an integer ranging from 1 to 200; and each of p and q is independently O or an integer ranging from 1 to 12; provided that when at least one of the groups A.sub.1 and A.sub.2 is the group --R.sub.1 OCOR.sub.2, each l, m and n may be O and that, when each group A.sub.1 and A.sub.2 is one of the groups other than the group --R.sub.1 OCOR.sub.2, each l and m may be O and n is an integer ranging from 1 to 200).
摘要翻译： 具有含有作为润滑剂的一层以上具有下式（I）的有机聚硅氧烷化合物的层的磁记录介质：其中，A 1和A 2各自独立地为-CH 3，-CH 2 -CH 2 - （CF 2）q -CF 3或-R 1 OCOR 2; R 1是具有1至5个碳原子的二价烃残基; R 2是具有7至21个碳原子的一价烃残基; l，m和n各自独立地为O或1至 200; p和q各自独立地为0或1至12的整数;条件是当基团A1和A2中的至少一个为基团-R1OCOR2时，每个l，m和n可以是O， 当每个组A1和A2是组-R1OCOR2以外的组之一时，每个l和m可以是O，n是1-200的整数）。
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公开(公告)号：US4434210A
公开(公告)日：1984-02-28
申请号：US279726
申请日：1981-07-02
CPC分类号： G11B5/7023 , Y10S428/90 , Y10T428/2995 , Y10T428/31663
摘要： A magnetic recording medium having a magnetic layer which is cured by irradiating radiation onto the magnetic layer in which magnetic or magnetizable powder material surface-treated with a silicon compound having a silanol group and/or a silanol-forming group upon hydrolysis and a double-bond sensitive to radiation irradiated is present with a binder. The magnetic recording medium having the aforesaid structure has a sufficient durability.
摘要翻译： 一种具有磁性层的磁记录介质，该磁性层通过将辐射辐射固化在磁性层上，其中在水解时用具有硅烷醇基和/或硅烷醇形成基团的硅化合物表面处理的磁性或可磁化粉末材料， 对辐射照射敏感的粘合剂与粘合剂一起存在。 具有上述结构的磁记录介质具有足够的耐久性。
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公开(公告)号：US4503198A
公开(公告)日：1985-03-05
申请号：US492023
申请日：1983-04-18
申请人： Seiichi Miyai , Kaoru Nakajima , Masashi Somezawa
发明人： Seiichi Miyai , Kaoru Nakajima , Masashi Somezawa
IPC分类号： C08F2/54 , C08G18/46 , C08G18/67 , C09D5/23 , G11B5/702 , C08F283/04 , C08G18/38 , C08G63/68
CPC分类号： G11B5/7021 , C08G18/4676 , C08G18/672 , Y10S428/90 , Y10S525/92 , Y10T428/256 , Y10T428/31609
摘要： The electron radiation curable resin of this invention is an oligopolyester-urethane resin having urethane bonds at both terminals of a polyester moiety, or a polyester-polyurethane resin wherein polyester moieties are chain-extended through urethane bonds. The resin has a molecular weight of about 1,000 to 50,000, and has a double bond at each terminal of the molecule and contains in the molecure about 0.2 to 30 mol % of carboxylic acid component having a metal sulfonate group based on the total carboxylic acid component.This electron radiation curable resin is suitable as a binder for a magnetic paint for producing magnetic recording medium such as magnetic tape, and can provide a magnetic recording medium having excellent dispersibility, durability, and solvent resistance.
摘要翻译： PCT No.PCT / JP82 / 00324 Sec。 371日期：1983年4月18日 102（e）日期1983年4月18日PCT申请日1982年8月19日PCT公布。 出版物WO83 / 00696 日本1983年3月3日。本发明的电子辐射固化性树脂是在聚酯部分的两个末端具有氨基甲酸酯键的聚酯 - 聚氨酯树脂或其中聚酯部分通过氨基甲酸酯键链延长的聚酯 - 聚氨酯树脂。 该树脂的分子量为约1,000〜50,000，在分子的各末端具有双键，在分子中含有约0.2〜30摩尔％的基于总羧酸成分的具有金属磺酸盐基的羧酸成分 。 该电子辐射可固化树脂适合用作磁性记录介质如磁性磁性磁性涂料的粘合剂，并且可提供具有优异的分散性，耐久性和耐溶剂性的磁记录介质。
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公开(公告)号：US4501801A
公开(公告)日：1985-02-26
申请号：US551040
申请日：1983-11-14
申请人： Shigeo Kimura , Masashi Somezawa , Yuji Hinoto , Hiroshi Yoshioka
发明人： Shigeo Kimura , Masashi Somezawa , Yuji Hinoto , Hiroshi Yoshioka
IPC分类号： C09D5/23 , C09D7/12 , C10M105/76 , C10N40/18 , G11B5/71 , G11B5/72 , G11B5/725 , G11B5/73 , G11B5/68 , G11B5/70
CPC分类号： G11B5/725 , G11B5/71 , Y10S428/90 , Y10T428/31663
摘要： Improved magnetic media comprising a non-magnetic substrate and a magnetic layer formed on at least one side of the substrate. The magnetic recording media are provided in a variety of ways with a specific type of organosilane compound serving as a lubricant and represented by the following general formula: ##STR1## where R is a saturated or unsaturated monovalent hydrocarbon residue having from 7 to 21 carbon atoms, n is 0, 1 or 2, and p is an integer from 1 to 12. The organosilane lubricant compound may be incorporated in the magnetic layer itself, in a back coating layer, or it may constitute a layer on the magnetic layer or on the back coating layer.
摘要翻译： 改进的磁介质包括非磁性基底和形成在基底的至少一侧上的磁性层。 磁记录介质以各种方式与特定类型的用作润滑剂的有机硅烷化合物一起提供，并由以下通式表示：其中R是具有7至21个碳原子的饱和或不饱和的一价烃残基 ，n为0,1或2，p为1〜12的整数。有机硅烷润滑剂可以在磁性层本身，背面涂层中，也可以在磁性层上形成层 后涂层。
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公开(公告)号：US4431703A
公开(公告)日：1984-02-14
申请号：US443574
申请日：1982-11-22
申请人： Masashi Somezawa , Shigeo Kimura , Yuji Hinoto , Hiroshi Yoshioka
发明人： Masashi Somezawa , Shigeo Kimura , Yuji Hinoto , Hiroshi Yoshioka
IPC分类号： C09D5/23 , C09D7/12 , C10M105/76 , C10M107/50 , C10N40/18 , G11B5/708 , G11B5/71 , G11B5/72 , G11B5/725 , G11B5/73 , G11B5/735 , H01F10/02
CPC分类号： G11B5/7305 , G11B5/71 , G11B5/725 , Y10S428/90 , Y10T428/31663
摘要： A magnetic recording medium having a layer containing as a lubricant one or more organo-polysiloxane compounds having the following formula (I): ##STR1## (wherein R.sub.1 is a divalent hydrocarbon residue having 1 to 5 carbon atoms; R.sub.2 is a monovalent hydrocarbon residue having from 7 to 21 carbon atoms; R.sub.3 and R.sub.4 may be the same or different and are --CH.sub.3, --(CH.sub.2).sub.2 (CF.sub.2).sub.k CF.sub.3 or --R.sub.1 SCOR.sub.2 ; k is 0 or an integer ranging from 1 to 12; each of l, m and n is independently 0 or an integer ranging from 1 to 200 and the sum of 1+m+n is up to 300, with the proviso that when at least one of R.sub.3 and R.sub.4 is the group --R.sub.1 SCOR.sub.2, each of l, m and n may be 0 and that when at least one of R.sub.3 and R.sub.4 is a group other than the group --R.sub.1 SCOR.sub.2, each of l and m may be 0 but n is an integer ranging from 1 to 200).
摘要翻译： 具有含有作为润滑剂的一层以上具有下式（I）的有机聚硅氧烷化合物的层的磁记录介质：其中，R 1为碳原子数为1〜5的二价烃残基，R 2为 具有7至21个碳原子的一价烃残基; R 3和R 4可以相同或不同，为-CH 3， - （CH 2）2（CF 2）k CF 3或-R 1 SCOR 2; k为0或整数为1至12; l，m和n中的每一个独立地为0或1至200的整数，并且1 + m + n的和高达300，条件是当R3和R4中的至少一个为基团-R1SCOR2时， l，m和n中的每一个可以是0，并且当R 3和R 4中的至少一个是基团-R 1 SCOR 2以外的基团时，l和m中的每一个可以是0，而n是1至200的整数）。
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公开(公告)号：US4508752A
公开(公告)日：1985-04-02
申请号：US634183
申请日：1984-07-26
申请人： Yutaka Takei , Masashi Somezawa
发明人： Yutaka Takei , Masashi Somezawa
摘要： A method for manufacturing a magnetic recording medium of the invention, comprises the steps of coating a magnetic paint consisting mainly of a needle-like magnetic powder and a binder on a nonmagnetic support to form a coating film; applying a DC magnetic field of a predetermined direction obtained with a superconductive solenoid magnet to the coating film in which the needle-like magnetic powder is still mobile, thereby orienting the needle-like magnetic powder in the predetermined direction; and drying the coating film.In a magnetic tape prepared by this method, a residual magnetic flux density is improved by about 10 to about 20% over the conventional tape, and tape the sensitivity and output are significantly improved. Since only a permanent current need be flown through a superconductive wire having a substantially zero electric resistance, power loss due to heat generation may be eliminated. Running cost of a cooling device or the like may be significantly reduced, so that the method of the present invention is also advantageous from the view point of energy conservation.
摘要翻译： PCT No.PCT / JP82 / 00209 Sec。 371日期1983年1月28日 102（e）日期1983年1月28日PCT提交1982年5月28日PCT公布。 出版物WO82 / 04343 日本1982年12月9日。一种本发明的磁记录介质的制造方法，其特征在于，在非磁性载体上涂布主要由针状磁性粉末和粘合剂组成的磁性涂料形成涂膜的工序。 将由超导螺线管磁铁获得的预定方向的直流磁场施加到针状磁性粉末仍然可移动的涂膜上，从而使针状磁性粉末沿预定方向取向; 并干燥涂膜。 在通过该方法制备的磁带中，与常规胶带相比，剩余磁通密度提高约10至约20％，并且胶带的灵敏度和输出显着提高。 由于只有永久电流需要通过具有大致零电阻的超导线，所以可以消除由于发热引起的功率损耗。 冷却装置等的运行成本可能显着降低，从节能观点来看，本发明的方法也是有利的。
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公开(公告)号：US4637959A
公开(公告)日：1987-01-20
申请号：US663377
申请日：1984-10-22
IPC分类号： C08G18/08 , C08G18/38 , C09D5/23 , C09D127/04 , C09D127/06 , C09D175/00 , C09D175/02 , C09D175/04 , G11B5/702 , G11B5/72
CPC分类号： C08G18/0819 , C08G18/3889 , G11B5/7021 , Y10S428/90 , Y10T428/31609
摘要： A magnetic recording medium comprised of a non-magnetic substrate and a magnetic layer formed on one surface of the substrate and consisting essentially of a binder and magnetic powders. As the binder, a thermoplastic polyurethane-urea resin is employed, in which hydrophilic polar groups are introduced. The thermoplastic polyurethane-urea resin contains urethane and urea bonds in the molecule thereof and may be synthesized from a long-chain diol with a molecular weight of about 500 to 5000, a short-chain diol with a molecular weight of about 50 to 500, an organic diisocyanate and an organic diamine. Examples of the thus introduced hydrophilic polar groups are: ##STR1##
摘要翻译： 一种磁记录介质，包括非磁性基底和形成在基底的一个表面上并且基本上由粘合剂和磁性粉末组成的磁性层的磁性层。 作为粘合剂，使用引入亲水极性基团的热塑性聚氨酯 - 脲树脂。 热塑性聚氨酯 - 脲树脂在其分子中含有氨基甲酸酯和脲键，并且可以由分子量为约500至5000的长链二醇，分子量为约50至500的短链二醇合成， 有机二异氰酸酯和有机二胺。 由此引入的亲水极性基团的实例是：
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