利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

192 条记录 (耗时 0.028 秒)

    Magnetic recording medium
    1.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    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）。

    Magnetic recording medium
    3.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号：US4435485A

    公开(公告)日：1984-03-06

    申请号：US295306

    申请日：1981-08-24

    申请人： Kaoru Nakajima ,  Masashi Somezawa ,  Minoru Takamizawa ,  Yoshio Inoue ,  Hiroshi Yoshioka

    发明人： Kaoru Nakajima ,  Masashi Somezawa ,  Minoru Takamizawa ,  Yoshio Inoue ,  Hiroshi Yoshioka

    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。

    Magnetic recording medium
    4.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号：US4368242A

    公开(公告)日：1983-01-11

    申请号：US295390

    申请日：1981-08-24

    申请人： Kaoru Nakajima ,  Masashi Somezawa ,  Minoru Takamizawa ,  Yoshio Inoue ,  Hiroshi Yoshioka

    发明人： Kaoru Nakajima ,  Masashi Somezawa ,  Minoru Takamizawa ,  Yoshio Inoue ,  Hiroshi Yoshioka

    IPC分类号： C08F2/00 ,  C08F2/54 ,  C08L1/00 ,  C08L27/00 ,  C08L57/00 ,  C09D5/23 ,  G11B5/702 ,  H01F10/02

    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。

    Magnetic recording medium
    5.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    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。

    Magnetic recording medium
    6.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    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）。