摘要:
A magnetic recording medium comprising a substrate, a magnetic layer formed on the substrate and comprising a metallic magnetic material as a recording element and a protective layer formed on the magnetic layer and comprising a perfluroalkyl polyether derivative having a phosphate terminal group, which has improved durability and corrosion resistivity.
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。
摘要:
A magnetic recording medium comprising a substrate, a magnetic layer containing ferromagnetic metal as a magnetic material on at least one of the surfaces of the substrate and a top coating on the magnetic layer which contains a salt of a nitrogen-containing heterocyclic compound and an aliphatic amine, which has improved corrosion resistance and running stability.
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:
An article comprising a substrate and an indicia-receiving layer on the substrate which comprises a pigment and at least one binder resin selected from the group consisting of vinyl chloride-vinyl acetate copolymers and polyurethane resins is provided.
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:
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:
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:
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:
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.