Abstract: A process for producing a cosmetic-impregnated sheet which comprises applying and infiltrating a cosmetic base to and into a base sheet having on the surface thereof a retentive sheet capable of absorbing and retaining the cosmetic base at a shear rate of 102 to 106 s?1, the cosmetic base being applied to and infiltrated into the retentive sheet of the base sheet, and the cosmetic base, when subjected to a steady shear deformation at a shear rate of 2 s?1 for 100 seconds followed by a steady shear deformation at a stepwise increased shear rate of 20 s?1, showing no shear stress growth or showing such a shear stress growth that the difference between the peak shear stress B at a shear rate of 20 s?1 and the equilibrium shear stress A at the same shear rate, B?A, is 20% or smaller of the equilibrium shear stress A in the transition between the two shear rates.

Abstract: A process for producing a cosmetic-impregnated sheet which comprises applying and infiltrating a cosmetic base to and into a base sheet having on the surface thereof a retentive sheet capable of absorbing and retaining the cosmetic base at a shear rate of 102 to 106 s−1, the cosmetic base being applied to and infiltrated into the retentive sheet of the base sheet, and the cosmetic base, when subjected to a steady shear deformation at a shear rate of 2 s−1 for 100 seconds followed by a steady shear deformation at a stepwise increased shear rate of 20 s−1, showing no shear stress growth or showing such a shear stress growth that the difference between the peak shear stress B at a shear rate of 20 s−1 and the equilibrium shear stress A at the same shear rate, B−A, is 20% or smaller of the equilibrium shear stress A in the transition between the two shear rates.

Abstract: A magnetic recording medium having a lower magnetic layer 3 and an upper magnetic layer 4 is disclosed, wherein the lower magnetic layer 3 contains tabular magnetic particles and acicular nonmagnetic inorganic particles and has a thickness of 0.5 to 2.5 .mu.m, the tabular magnetic particles being oriented with their plane having the longest diameter tilted at an angle of 70 to 90.degree. in average with the plane of the magnetic recording medium, the upper magnetic layer 4 contains acicular magnetic particles and has a thickness of not greater than 0.3 .mu.m, and a mixed magnetic region 6 which comprises tabular magnetic particles and acicular magnetic particles, mixed together, and formed between the upper and lower magnetic layers, a thickness m of the mixed magnetic region 6 being 1 to 20% of the total thickness T of all the magnetic layers.

Abstract: A magnetic recording medium comprising a support having thereon a plurality of magnetic layers comprising a first magnetic layer provided as an uppermost layer and a second magnetic layer provided adjacent to said first magnetic layer, wherein the first and second magnetic layers each comprises a magnetic powder and a binder containing a vinyl chloride resin and/or cellulose resin, the binder contents in the first magnetic layer and the second magnetic layer satisfy the relationship defined by the following formula (1), and the contents of the vinyl chloride resin and the cellulose resin in the first magnetic layer and the second magnetic layer satisfy the relationship defined by the following formula (2):0.6 .ltoreq.(A-B)/B.ltoreq.6 (1)0.4 .ltoreq.(C-D)/D.ltoreq.

Abstract: Magnetic recording media comprising a nonmagnetic substrate, a surface layer and a back layer, the surface layer having an intermediate layer provided on the surface side of the nonmagnetic substrate and a magnetic layer as a top layer, the back layer having a backcoating layer provided on the back side of the nonmagnetic substrate, the magnetic layer containing a ferromagnetic metal powder and a binder, wherein the surface layer has a residual solvent content of 5 to 1000 ppm, the ferromagnetic metal powder is a ferromagnetic metal powder mainly comprising iron and containing 0.8 to 20 parts by weight of at least one element selected from Group IIIa elements, inclusive of lanthanides, of the Periodic Table per 100 parts by weight of Fe atoms, the magnetic layer has a thickness of 0.05 to 0.6 .mu.

Abstract: A magnetic recording medium comprising a substrate and a magnetic layer provided thereon, the magnetic layer containing:a binder,(a) an acicular ferromagnetic metal powder having an average major axis length of 0.05 to 0.14 .mu.m and a coercive force of 1700 to 2300 Oe or (c) a tabular hexagonal ferrite powder having a tabular diameter of 0.01 to 0.07 .mu.m and a coercive force of 1400 to 2200 Oe, and(b) a spherical or amorphous spinel ferrite powder having an average particle size of 0.005 to 0.09 .mu.m and a coercive force of more than 0 and less than 150 Oe, wherein the mixing ratio of the spinel ferrite powder (b) to the ferromagnetic metal powder (a) or the hexagonal ferrite powder (c), i.e., (b)/(a) or (b)/(c), is 0.03 to 0.3 by weight.

Abstract: A magnetic recording medium comprising a support and a magnetic layer comprising a ferromagnetic metal powder and a binder formed on said support, wherein the magnetic layer has a surface roughness of 10 nm or smaller, a coercive force of 1,580 Oe or greater and a decreasing ratio .DELTA.Bs of a saturation flux density (a change rate of saturation flux density Bs' of the magnetic layer realized after the magnetic recording medium has been allowed to stand in an environment, the temperature of which is 60.degree. C. and the relative humidity of which is 90% for 30 days, as compared with saturation flux density Bs of the magnetic layer before the magnetic recording medium is allowed to stand, the change rate being a value expressed by an equation .DELTA.Bs=(1-Bs'/Bs).times.100) of 10% or lower.

Abstract: The present invention provides a magnetic recording medium which allows high density recording and exhibits excellent output characteristics and durability. A novel magnetic recording medium comprising a support and a magnetic layer provided on said support is provided, characterized in that said magnetic layer is formed by a magnetic coating composition comprising:(a) a polyurethane resin obtained by protecting isocyanate groups in an isocyanate terminated polyurethane prepolymer by an oxime compound; and(b) a compound containing one or more primary amino groups per molecule.

Abstract: A magnetic recording medium comprising a nonmagnetic support having formed thereon a plurality of magnetic layers including a top magnetic layer and an intermediate magnetic layer adjacent to the top magnetic layer, wherein the intermediate magnetic layer contains soft magnetic powder, the soft magnetic powder having, in its projective image, an average longer diameter <L> and a standard deviation of the longer diameter .DELTA.L satisfying the relationship represented by formula (1), and an average shorter diameter <W> and a standard deviation of the shorter diameter .DELTA.W satisfying the relationship represented by formula (2):0.05.ltoreq..DELTA.L/<L>.ltoreq.0.8 (1)0.05.ltoreq..DELTA.W/<W>.ltoreq.0.

Abstract: Disclosed is a magnetic recording medium comprising a magnetic support 1 containing a magnetic powder, and at least a nonmagnetic layer 2 provided on the magnetic support 1 and a magnetic layer 3 provided on the nonmagnetic layer 2. The magnetic powder comprises a ferromagnetic powder, preferably a powder of soft magnetic materials and/or a powder of iron oxide with low remanent induction. The medium is suitable for high-density recording, especially exhibiting an excellent output characteristic.