Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1982-08-10

1986-04-01

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of silicon containing

428695, 428900, H01F 1002

Patent

active

045797803

ABSTRACT:
A magnetic recording medium is provided which is assured of smoothly and stably running properties and is free of the so-called "squeal" phenomenon, especially in an environment of high temperature and high humidity. A highly viscous silicone oil having a viscosity of 100,000 or more is incorporated as a lubricating agent in the magnetic coating of the magnetic recording medium in an amount of 0.5 to 2% by weight based on binder. Such silicone oil is a dimethyl silicone oil having the following rational formula: ##STR1## where n is a number which determines a viscosity thereof.

REFERENCES:
patent: 4171406 (1979-10-01), Yamaguchi et al.

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