Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

G - Physics

11

B

117/24

G11B 5/72 (2006.01) G11B 5/702 (2006.01) G11B 5/71 (2006.01)

Patent

CA 1039124

ABSTRACT OF THE DISCLOSURE Magnetic tapes are made more wear proof and have coefficients of friction lowered by the addition of a lubricant such as molybdenum disulfide to the mix of magnetic powder and binding used to form the coating; however conventional materials do not provide sufficient smoothness, and roughing or "blooming" may occur. Organosilicic compounds having the general formula Image where R and R' represent a hydrocarbon group (alkyl or alkenyl) having 8 to 18 carbon atoms, R'' is a hydrogen atom or a methyl group, m is in the range from 1 to 15, and n1+n2 is in the range of 2 to 16, have extraordinary properties which make them suitable for such uses.

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