Magnetic recording medium
    2.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US5069973A

    公开(公告)日:1991-12-03

    申请号:US302043

    申请日:1989-01-26

    摘要: A magnetic recording medium comprising a substrate, a magnetic layer formed on at least one surface of the substrate and a lubricant, which is present on or in the magnetic layer and comprises at least one of fluorine-containing solid compound of the formulae: ##STR1## wherein X is a divalent group not containing fluorine, Y is a hydrophilic group or a monovalent group having a terminal carbon-carbon double bond, Z is a hydrogen atom or a metal atom, n is an integer of 3 or more, m is 0 or 1, and p is 2 or 3, which has a small coefficient of friction on the surface, improved durability and running stability.

    摘要翻译: 一种磁记录介质,其包含基材,形成在所述基材的至少一个表面上的磁性层和润滑剂,所述磁性层存在于所述磁性层上或所述磁性层中,并且包含下式的含氟固体化合物中的至少一种:C n F 2n + 1(X)mY(I)和(II)其中X是不含氟的二价基团,Y是亲水基团或具有末端碳 - 碳双键的一价基团,Z是氢原子或 金属原子,n为3以上的整数,m为0或1,p为2或3,表面摩擦系数小,耐久性和运行稳定性提高。

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

    公开(公告)号:US4830923A

    公开(公告)日:1989-05-16

    申请号:US823364

    申请日:1986-01-28

    IPC分类号: C09D5/23 G11B5/702

    摘要: A magnetic recording medium comprising a substrate and a magnetic layer coated on the substrate which comprises a magnetic powder and a binder resin, wherein said binder resin comprises a modified polymer selected from the group consisting of a polymer having a backbone chain comprising a vinyl chloride/vinyl acetate/vinyl alcohol terpolymer and a polymer having a backbone chain comprising polyurethane to both of which a phosphoric acid group of the formula: ##STR1## wherein A is a hydrogen atom, an alkali metal atom or a hydrocarbon group, and n is 0 or 1 is bonded, the magnetic layer having improved surface smoothness, improved durability and excellent electromagnetic conversion characteristics particularly in the short wavelength range.

    摘要翻译: 一种磁记录介质,包括涂覆在所述基材上的基材和磁性层,所述磁性层包含磁性粉末和粘合剂树脂,其中所述粘合剂树脂包含改性聚合物,所述改性聚合物选自具有主链的聚合物,所述主链包含氯乙烯/ 乙酸乙烯酯/乙烯醇三元共聚物和具有包含聚氨酯的主链的聚合物,二者均具有下式的磷酸基团:其中A是氢原子,碱金属原子或烃基,和 n是0或1键合,磁性层具有改善的表面光滑度,改进的耐久性和优异的电磁转换特性,特别是在短波长范围内。

    Magnetic recording medium and non-aqueous suspension of inorganic solid
particles for use in the production of the same
    6.
    发明授权
    Magnetic recording medium and non-aqueous suspension of inorganic solid particles for use in the production of the same 失效
    无机固体颗粒的磁记录介质和非水悬浮液用于生产

    公开(公告)号:US4895763A

    公开(公告)日:1990-01-23

    申请号:US114847

    申请日:1987-10-30

    IPC分类号: G11B5/712

    摘要: When non-magnetic solid particles, the surface of which are treated with an organosilazane, are used in the formation of a magnetic recording medium, they are well dispersed in a binder resin, so that a magnetic layer comprising such solid particles has improved electromagnetic conversion characteristics, traveling stability and durability, and a back coat layer comprising such solid particles has improved abrasion resistance and surface evenness.

    摘要翻译: 当其表面用有机硅氮烷处理的非磁性固体颗粒用于形成磁记录介质时,它们很好地分散在粘合剂树脂中,使得包含这种固体颗粒的磁性层具有改善的电磁转换 特性,行进稳定性和耐久性,以及包含这种固体颗粒的背涂层具有改善的耐磨性和表面均匀性。

    Magnetic recording medium
    7.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US4803125A

    公开(公告)日:1989-02-07

    申请号:US16081

    申请日:1987-02-18

    摘要: A magnetic recording medium comprising a substrate, a magnetic layer formed on one surface of the substrate and a back coating layer formed on the other or back surface of the substrate, wherein the back coating layer contains at least one polyfluoropolyether having a polar group at least one molecular end and optionally at least one fluorine-containing solid lubricant, which has a small coefficient of friction and improved jitter characteristics, durability and corrosion resistance.

    摘要翻译: 一种磁记录介质,包括基板,形成在所述基板的一个表面上的磁性层和形成在所述基板的另一表面或后表面上的背涂层,其中所述背涂层至少包含至少一个具有极性基团的多氟聚醚 一个分子末端和任选的至少一种含氟固体润滑剂,其具有小的摩擦系数和改善的抖动特性,耐久性和耐腐蚀性。

    Magnetic recording medium
    8.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US4741952A

    公开(公告)日:1988-05-03

    申请号:US840581

    申请日:1986-03-19

    摘要: A magnetic recording medium comprising a substrate material and a magnetic layer provided thereon, said magnetic layer containing magnetic particles and a resinous binder, characterized in that the magnetic layer further comprises non-magnetic particles of complex oxides or oxide solid solutions of a SiO.sub.2 or TiO.sub.2 system. Said magnetic recording medium is excellent in running stability, durability and surface smoothness.

    摘要翻译: 一种包括基板材料和设置在其上的磁性层的磁记录介质,所述磁性层含有磁性颗粒和树脂粘合剂,其特征在于,所述磁性层还包括复合氧化物或SiO 2或TiO 2的氧化物固溶体的非磁性颗粒 系统。 所述磁记录介质具有优异的运行稳定性,耐久性和表面平滑度。

    Surgical instrument
    9.
    发明授权
    Surgical instrument 失效
    手术器械

    公开(公告)号:US5807394A

    公开(公告)日:1998-09-15

    申请号:US592059

    申请日:1996-01-26

    IPC分类号: A61B18/12 A61B18/14 A61B17/00

    CPC分类号: A61B18/1402

    摘要: To ensure continuous incising or coagulating technique without adhesion of carbonized body tissue proteins and fats which may be produced by thermal action of an arc discharge or Joule heat attendant on the electrotomy or electrocoagulation, at least a part of a surgical instrument, such as an electric knife or a forceps, is formed of a C/C composite material.

    摘要翻译: 为了确保连续切割或凝固技术,而不粘附碳化身体组织蛋白质和脂肪,这些蛋白质和脂肪可以通过在电切术或电凝上的电弧放电或焦耳加热剂的热作用产生,至少一部分外科器械如电 刀或镊子由C / C复合材料形成。

    Magnetic recording medium
    10.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US5110680A

    公开(公告)日:1992-05-05

    申请号:US241254

    申请日:1988-09-07

    摘要: A magnetic recording medium with good durability and electromagnetic conversion properties which comprises a substrate and a magnetic layer formed thereon containing magnetic powder and a binder component which comprises a glycidyl group-containing binder resin and a phosphated binder resin such that the dispersability of the magnetic powder in the binder component is enhanced.

    摘要翻译: 一种具有良好耐久性和电磁转换性能的磁记录介质,其包含基底和形成在其上的磁性层,其上含有磁性粉末和粘合剂组分,其包含含缩水甘油基的粘合剂树脂和磷酸化粘合剂树脂,使得磁性粉末的分散性 在粘合剂组分中增强。