Process for production of magnetic recording media and recording

Details Process for production of magnetic recording media and recording Process for production of magnetic recording media and recording

1976-12-29

1979-01-16

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of epoxy ether

427128, 428474, 428539, 428900, H01F 1002

Patent

active

041350367

ABSTRACT:
A process for producing a magnetic recording medium with a magnetic recording layer comprising coating a magnetic coating composition comprising mainly a ferromagnetic powder, a binder, and a predominantly aqueous coating solvent on a nonmagnetic support and then drying, wherein the binder contains a water-soluble or water-dispersible amide compound. In a particularly preferred embodiment, the binder also contains an epoxy compound containing on the average one or more adjacent epoxy groups in the molecule.

REFERENCES:
patent: 3976822 (1976-08-01), Thomas et al.
patent: 3992478 (1976-11-01), Kamosaki et al.
IBM Tech. Dis. Bull. Denk et al., p. 3858, 1971 (May), vol. 13, No. 12.

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