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11. 发明专利

JPS60195725A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：JPS60195725A
公开(公告)日：1985-10-04
申请号：JP5020884
申请日：1984-03-17
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , KOUZUKI SUSUMU , HASHIMOTO SHIGERU , YOSHIDA YUTAKA
IPC分类号： G11B5/66 , G11B5/64 , G11B5/72
摘要： PURPOSE: To obtain the titled magnetic recording medium having improved corrosion resistance and durability without practically deteriorating the electromagnetic transducing characteristic by forming a protective layer consisting of metallic dialkyl thiocarbamate on the surface of a magnetic thin metallic film provided on a nonmagnetic supporting body.
CONSTITUTION: A coating liquid, obtained by dissolving metallic dialkyl dithiocarbamate shown by formula I or formula II (R is respectively 1W20C alkyl) into an aromatic solvent, a ketonic solvent, a chlorocarbonic solvent, etc. or the mixture of said solvents, or dissolving a resinous binding agent in accordance with the necessity, is sprayed or printed on the surface of a magnetic thin film to form a protective layer contg. about 30W800mg/m
2 metallic dialkyl dithiocarbamate. The magnetic recording medium having improved corrosion resistance and durability is obtained in this way.
COPYRIGHT: (C)1985,JPO&Japio
摘要翻译：目的：通过在设置在非磁性支撑体上的磁性薄金属膜的表面上形成由硫代氨基甲酸二烷基酯组成的保护层，获得具有改善的耐腐蚀性和耐久性的标题磁记录介质，而不会使电磁感应特性变差。构成：通过将式I或式II所示的金属二烷基二硫代氨基甲酸酯（R分别为1-20C烷基）溶解在芳族溶剂，酮溶剂，氯碳溶剂等中或将所述溶剂的混合物，或根据需要溶解树脂粘合剂，喷涂或印刷在磁性薄膜的表面上以形成保护层。约30-800mg / m 2的二烷基二硫代氨基甲酸金属盐。以这种方式获得具有改善的耐腐蚀性和耐久性的磁记录介质。

12. 发明专利

JPS6176573A Magnetic coating 失效
标题翻译：磁性涂料
公开(公告)号：JPS6176573A
公开(公告)日：1986-04-19
申请号：JP19844184
申请日：1984-09-25
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , KOZUKI SUSUMU
IPC分类号： C09D5/23 , C09D101/18 , C09D127/04 , C09D175/00
摘要： PURPOSE: The titled coating that is obtained by adding a low molecular nitrocellulose, a vinyl chloride-vinyl acetate-vinyl alcohol terpolymer and a polyurethane rethane to the binder, thus being suitable for production of magnetic recording media with good electromagnetic transduction.
CONSTITUTION: A magnetic powder, a dispersant and (A) a low molecular nitrocellulose (preferably of less than H1/16 particle size index) are kneaded. Then, (B) a vinyl chloride-vinyl acetate-vinyl alcohol copolymer (preferably of 250W600 average polymerization degree) and (C) a polyurethane are added to the product and kneading is repeated to give the objective coating. The amounts of components B and C are 50W300pts.wt. and 50W300pts.wt. per 100pts.wt. of a component A and the total amount of the 3 binders is preferably 15W50pts.wt. per 100pts.wt. of the magnetic powder.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过将低分子硝化纤维素，氯乙烯 - 乙酸乙烯酯 - 乙烯醇三元共聚物和聚氨酯树脂添加到粘合剂中而获得的标题涂层适用于制备具有良好电磁转导的磁记录介质。构成：将磁粉，分散剂和（A）低分子硝化纤维素（优选小于H1 / 16粒径指数）捏合。然后，向产物中加入（B）氯乙烯 - 乙酸乙烯酯 - 乙烯醇共聚物（优选为250-600平均聚合度）和（C）聚氨酯，并重复捏合以得到目标涂层。组分B和C的量为50-300pts.wt。和50-300pts.wt。每100pts.wt 的组分A和3种粘合剂的总量优选为15-50pts.wt。每100pts.wt 的磁粉。

13. 发明专利

JPS6176572A Magnetic coating 失效
标题翻译：磁性涂料
公开(公告)号：JPS6176572A
公开(公告)日：1986-04-19
申请号：JP19844084
申请日：1984-09-25
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , YOSHIDA YUTAKA , HASHIMOTO SHIGERU
IPC分类号： C09D5/23 , G11B5/712
摘要： PURPOSE: The titled coating that contains a magnetic powder whose surfaces are treated with a specific nitrite ester, thus being capable of giving magnetic recording media which can inhibit the magnetic properties from being deteriorated with the passage of time, because it is improved in oxidation resistance.
CONSTITUTION: A ferromagnetic metallic powder such as Fe-Co-Ni alloy is used as a magnetic powder and the powder is surface-treated with a nitrite ester of the formula: RONO (R is alkyl, preferably 5W15C alkyl). The amount of the nitrite applied is 0.5W10pts.wt. based on the magnetic powder. The powder treated with its surfaces is admixed to other components to give the objective coating.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：含有表面用特定亚硝酸酯处理的磁性粉末的标题涂层，因此能够提供可以抑制磁性能随时间而劣化的磁记录介质，因为其耐氧化性得到改善。构成：使用铁磁性金属粉末如Fe-Co-Ni合金作为磁性粉末，并用下式的亚硝酸酯表面处理粉末：RONO（R是烷基，优选5-15 C烷基）。亚硝酸盐的用量为0.5-10pts.wt。基于磁粉。用其表面处理的粉末与其它组分混合，得到目标涂层。

14. 发明专利

JPS60195733A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：JPS60195733A
公开(公告)日：1985-10-04
申请号：JP5020684
申请日：1984-03-17
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , KOUZUKI SUSUMU , YOSHIDA YUTAKA , HASHIMOTO SHIGERU
IPC分类号： G11B5/708 , C09D5/23 , C09D7/12 , C10M105/34 , C10M105/72 , C10N10/04 , C10N40/18
摘要： PURPOSE: To improve the sliding characteristic against a magnetic head and to obtain the titled magnetic recording medium without generating the baking on the magnetic head especially of an alloy by providing a magnetic layer contg. a specified organic zinc compd. on a nonmagnetic supporting body.
CONSTITUTION: An organic zinc compd. shown by the formula (R is 1W20C alkyl) is dissolved into a magnetic paint contg. ferromagnetic powder and a binder. And the obtained magnetic paint is coated on a nonmagnetic supporting body, dried, and cured to form a magnetic layer. The magnetic powder is previously added to a soln. of the organic zinc compd., sufficiently mixed, filtered, and dried. And the obtained magnetic powder is dispersed in a soln. of the binder, and a dispersant and an abrasive is added, if necessary, to obtain the magnetic paint which is preferably used. The magnetic recording medium suitable for high-density recording, without any unfavorable influences on electromagnetic transducing characteristics, repeatedly usable, especially without the baking on a magnetic head, and having excellent durability can be obtained.
COPYRIGHT: (C)1985,JPO&Japio
摘要翻译：目的：提高磁头的滑动特性，获得标称的磁记录介质，而不会通过提供磁性层来在磁头，特别是合金上产生烘烤。指定的有机锌化合物在非磁性支撑体上。构成：有机锌化合物由式（R为1-20C烷基）表示的化合物溶于磁性涂料中。铁磁粉末和粘合剂。将得到的磁性涂料涂布在非磁性支撑体上，干燥，固化，形成磁性层。磁粉预先加入到溶胶中。的有机锌化合物，充分混合，过滤并干燥。将得到的磁粉分散在溶胶中。的粘合剂，如果需要，加入分散剂和研磨剂，得到优选使用的磁性涂料。可以获得适合于高密度记录的磁记录介质，对电磁感应特性没有任何不利影响，可以重复使用，特别是不需要在磁头上进行烘烤，并具有优异的耐久性。

15. 发明专利

JPS60195726A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：JPS60195726A
公开(公告)日：1985-10-04
申请号：JP5020984
申请日：1984-03-17
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , KOUZUKI SUSUMU , HASHIMOTO SHIGERU , YOSHIDA YUTAKA
IPC分类号： G11B5/66 , G11B5/64 , G11B5/72
摘要： PURPOSE: To obtain the titled high-density magnetic recording medium having improved traveling property and corrosion resistance by forming a protective layer contg. metallic xanthate on a magnetic thin metallic film provided on a nonmagnetic supporting body.
CONSTITUTION: A soln. obtained by dissolving metallic xanthate shown by formula I or formula II (R is 1W20C alkyl) into a suitable solvent is coated, sprayed or printed on a metallic magnetic layer prvided on a nonmagnetic supporting body to the extent of 30W800mg/m
2 , and dried to form a protective layer. A coating liquid obtained by dissolving an appropriate amt. of a resinous binding agent into the soln. can be used in accordance with the requirement. The thin-type magnetic recording medium having excellent resistance to corrosion and abrasion is obtained in this way without practically deteriorating the electromagnetic transducing characteristic.
COPYRIGHT: (C)1985,JPO&Japio
摘要翻译：目的：通过形成保护层，获得具有改善的行进性能和耐腐蚀性的标题高密度磁记录介质。在非磁性支撑体上设置的金属薄金属薄膜上的金属黄原酸盐。规定：通过将式I或式II所示的金属黄原酸盐（R为1-20C烷基）溶解在合适的溶剂中而得到的涂布，喷涂或印刷在非磁性支撑体上的金属磁性层上，其程度为30-800mg / m 2 <2>，并干燥形成保护层。通过将适当的amt溶解得到的涂布液。的树脂粘合剂。可以按照要求使用。以这种方式获得耐腐蚀和耐磨性优异的薄型磁记录介质，而不会使电磁感应特性变差。

16. 发明专利

JPS6173777A Preparation of magnetic coating 失效
标题翻译：磁性涂料的制备
公开(公告)号：JPS6173777A
公开(公告)日：1986-04-15
申请号：JP19473784
申请日：1984-09-19
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , HASHIMOTO SHIGERU , YOSHIDA YUTAKA
IPC分类号： C09D5/23 , C09D127/04 , C09D127/06 , C09D175/00 , C09D175/04 , G11B5/702 , G11B5/842
摘要： PURPOSE: To obtain a magnetic coating having excellent electromagnetic conversion characteristics, by mixing a binder containing a specified copolymer and a urethane prepolymer with magnetic powders, and incorporating a bifunctional isocyanate compound and a curing agent into this mixture.
CONSTITUTION: Magnetic powders (e.g., powders of an iron-nickel alloy) are mixed with a binder which contains a vinyl chloride-vinyl acetate-vinyl alcohol copolymer of an average degree of polymerization of 100W300 and a urethane prepolymer of an average molecular weight of 1,000W5,000 to be dispersed. A bifunctional isocyanate compound (e.g., tolylene diisocyanate) is then added to this mixture and is stirred, allowing the urethane prepolymer to be crosslinked, to which a curing agent (e.g., a compound of the formula) is added and stirred to give an objective magnetic coating. A magnetic tape formed by using the obtained magnetic coating will have occurrence of neither an orange peel of the magnetic layer nor blocking.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了获得具有优异电磁转换特性的磁性涂层，通过将含有特定共聚物的粘合剂和氨基甲酸酯预聚物与磁性粉末混合，并将双官能异氰酸酯化合物和固化剂混合到该混合物中。构成：将磁性粉末（例如，铁镍合金粉末）与含有平均聚合度为100-300的氯乙烯 - 乙酸乙烯酯 - 乙烯醇共聚物的粘合剂和平均分子量的氨基甲酸酯预聚物混合重量为1,000-5,000分散。然后将双官能异氰酸酯化合物（例如甲苯二异氰酸酯）加入到该混合物中并搅拌，使氨基甲酸酯预聚物交联，向其中加入固化剂（例如，式的化合物）并搅拌，得到目标磁性涂层。通过使用所获得的磁性涂层形成的磁带将不会发生磁性层的橙皮和阻塞。

17. 发明专利

JPS6173241A Production of magnetic recording medium 失效
标题翻译：磁记录介质的生产
公开(公告)号：JPS6173241A
公开(公告)日：1986-04-15
申请号：JP19397684
申请日：1984-09-18
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , HASHIMOTO SHIGERU , YOSHIDA YUTAKA
IPC分类号： G11B5/702 , C09D5/23 , C09D175/00 , C09D175/04 , G11B5/842
摘要： PURPOSE: To produce a magnetic recording medium having an excellent electromagnetic conversion characteristic by irradiating electron rays on a magnetic layer formed by coating a magnetic paint consisting of a compsn. consisting of an electron ray curing resin and urethane prepolymer added with a bifunctional isocyanate compd. on a substrate and subjecting the same to a magnetical orientation treatment and calender treatment.
CONSTITUTION: The binder contg. the electron ray curing resin and the urethane prepolymer having 1,000W5,000 average mol.wt. and the compsn. such as magnetic powder, dispersant, polishing agent and solvent are thoroughly mixed and dispersed. The mixture composed thereof and the bifunctional isocyanate compd. are agitated. The urethane prepolymer induces crosslinking reaction and the magnetic paint is produced. The produced magnetic paint is coated on the substrate such as polyester film. The magnetic field in a prescribed direction is applied thereto so that the magnetic powder incorporated into the magnetic layer formed by coating is subjected to the magnetical orientation treatment. The magnetic layer is then dried and is further subjected to the calender treatment to smooth the surface of the magnetic layer. The electron rays are irradiated on the coating until the electron ray curing resin induces the substantial polymn. reaction, by which the magnetic recording medium is produced.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过将电子射线照射在通过涂覆由组合物构成的磁性涂料形成的磁性层上来制造具有优异的电磁转换特性的磁记录介质。由电子射线固化树脂和加入双官能异氰酸酯化合物的氨基甲酸酯预聚物组成。在基材上并对其进行磁取向处理和压延处理。构成：电子束固化树脂和氨基甲酸酯预聚物的平均摩尔重量为1,000-5,000。和compsn。如磁粉，分散剂，抛光剂和溶剂彻底混合分散。由其组成的混合物和双官能异氰酸酯组合物。很激动氨基甲酸酯预聚物诱导交联反应，并产生磁性涂料。将生成的磁性涂料涂布在基材如聚酯膜上。施加规定方向的磁场，使得通过涂布形成的磁性层中结合的磁性粉末进行磁性取向处理。然后将磁性层干燥，并进一步进行压延处理以平滑磁性层的表面。电子射线照射在涂层上，直到电子束固化树脂引起大量的聚合物。产生磁记录介质的反应。

18. 发明专利

JPS6147768A Production of magnetic coating material 失效
标题翻译：生产磁性涂料
公开(公告)号：JPS6147768A
公开(公告)日：1986-03-08
申请号：JP17000884
申请日：1984-08-16
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , YOSHIDA YUTAKA , HASHIMOTO SHIGERU
IPC分类号： C09D5/23 , B01J13/00 , G11B5/70 , G11B5/73 , G11B5/84 , G11B5/842
摘要： PURPOSE: To obtain a magnetic coating material having improved dispersibility, by dispersing and mixing, a raw material for a magnetic coating material with sand grinder media having a previously applied surfactant.
CONSTITUTION: Sand grinder media having a previously applied surfactant before mixing and dispersing a magnetic coating material are used as the sand grinder media to mix and tisperse a raw material for the magnetic coating material with a sand grinder to give the aimed magnetic coating material. The surfactant is applied to the media by the following method. The media are preferably dipped in a solution containing the surfactant dissolved therein and stirred for application of the surfactant thereto.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了获得具有改进的分散性的磁性涂层材料，通过分散和混合用具有预先使用的表面活性剂的砂磨机介质的磁性涂层材料的原料。构成：在混合和分散磁性涂料之前使用预先涂敷的表面活性剂的砂磨机介质用作砂磨机介质，用砂磨机混合和分散磁性涂层材料的原料，得到目标磁性涂层材料。通过以下方法将表面活性剂施加到介质上。将介质浸渍在含有表面活性剂的溶液中，并搅拌以向其中加入表面活性剂。

19. 发明专利

JPS6151622A Manufacture of magnetic recording medium 失效
标题翻译：磁记录介质的制造
公开(公告)号：JPS6151622A
公开(公告)日：1986-03-14
申请号：JP17381784
申请日：1984-08-21
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , YOSHIDA YUTAKA
IPC分类号： B01F3/12 , B02C17/16 , G11B5/842
摘要： PURPOSE: To obtain a magnetic recording medium with excellent magnetic characteristics by decreasing stepwise each scattering energy of a multi-stage sand mill scattering magnetic powder toward the progressing direction of a magnetic paint to scatter uniformly the magnetic powder into the magnetic paint.
CONSTITUTION: The magnetic paint mixed to some degree in a tank 2 flows into a tank 4 of the sand mill 1A, the magnetic paint is scattered with being rotated in a medium 7 such as beads by the rotation of a disc 5, the paint is separated from the medium 7 by a screen 9 and carried to the next mills one after another. The grain diameter of the media 7 or the quantity in the sand mill of each stage is decreased to reduce stepwide the scattering energy of each stage thereby scattering uniformly the magnetic powder into the magnetic paint. Thus, a magnetic recording medium with excellent magnetic characteristics is obtained.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过逐步降低多级砂磨机散射磁粉的散射能量朝向磁性涂料的前进方向获得具有优异磁特性的磁记录介质，使磁粉均匀分散在磁性涂料中。构成：在罐2中一定程度上混合的磁性涂料流入砂磨机1A的罐4中，磁性涂料通过盘5的旋转在诸如珠粒的介质7中旋转散布，油漆是通过屏幕9从介质7分离并一个接一个地运送到下一个轧机。介质7的粒径或每个阶段的砂磨机中的数量减少，从而逐步减小各阶段的散射能量，从而将磁粉均匀地散射到磁性涂料中。因此，获得具有优异磁特性的磁记录介质。

20. 发明专利

JPS6142732A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：JPS6142732A
公开(公告)日：1986-03-01
申请号：JP16151584
申请日：1984-08-02
申请人： Canon Inc
发明人： HOSOI NOBUYUKI , HASHIMOTO SHIGERU , YOSHIDA YUTAKA
IPC分类号： G11B5/708 , C09D5/23 , C09D7/12
摘要： PURPOSE: To obtain a magnetic recording medium which is subjected effectively to a magnetic field orientation, has a high squareness ratio, high output and high SN ratio and has excellent durability by providing a magnetic layer contg. a material having a specific value or above of DC magnetic permeability at a specific ratio with the other ferromagnetic powder on a substrate.
CONSTITUTION: The coating type magnetic layer contg. the powder consisting of the particles contg. ≥1 kinds of selected from "Sendust(R)", "Permalloy(R)" and Mn-Zn ferrite having ≥500 DC magnetic permeability and having 0.1W5μ grain size at 0.5W10wt% by the weight of the ferromagnetic metallic powder of Fe-Ni, etc. is formed on the non-magnetic substrate. The orientation of the ferromagnetic metallic powder is thus effectively executed in the stage of the magnetic field orientation treatment after coating of the magnetic paint. The magnetic recording medium having the improved squareness ratio and the excellent wear resistance and durability is obtd.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了获得有效地进行磁场取向的磁记录介质，具有高矩形比，高输出和高SN比，并且通过提供磁层限制具有优异的耐久性。与特定比例的特定值或以上的直流磁导率与材料上的其他铁磁性粉末相比具有特定值的材料。构成：涂层型磁性层由颗粒组成的粉末 > =“Senalst（R）”，“Permalloy（R）”和“= 500”直流磁导率的Mn-Zn铁氧体中选择1种，0.5〜10重量％在非磁性基板上形成Fe-Ni等的强磁性金属粉末的重量。因此，在涂覆磁性涂料之后，在磁场取向处理阶段有效地执行强磁性金属粉末的取向。具有改善的矩形比率和优异的耐磨性和耐久性的磁记录介质。

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