Method for preparing magnetic recording medium

Details Method for preparing magnetic recording medium Method for preparing magnetic recording medium

1985-03-08

1986-02-11

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

428900, B05D 512, H01F 1002

Patent

active

045698562

ABSTRACT:
A method for preparing a magnetic recording medium is described, comprising (1) pre-dispersing ferromagnetic particles having an S.sub.BET specific surface area of 35 m.sup.2 /g or more and having an adjusted water content of 0.8 wt % or more with a binder, (2) adding an additional binder and a lubricating agent thereinto, mixing and dispersing them to prepare a diserpsion of a magnetic coating composition, and (3) coating the resulting dispersion of a magnetic coating composition on a non-magnetic support.

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