Process for producing a magnetic recording medium

Details Process for producing a magnetic recording medium Process for producing a magnetic recording medium

1982-03-02

1983-07-05

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427127, H01F 1002

Patent

active

043918514

ABSTRACT:
A process for producing a magnetic recording medium is disclosed. The process involves coating a non-magnetic base with magnetic coating solution containing fine ferromagnetic particles and a binder comprising nitrocellulose, polyol and an isocyanate having at least two isocyanato groups. In the process, the web having 0.3 to 3 wt % of the residual solvent in the magnetic layer is calendered, and the calendered web is then dried thoroughly.

REFERENCES:
patent: 4361627 (1982-11-01), Ohata

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