Magnetic storage medium

Details Magnetic storage medium Magnetic storage medium

1979-05-08

1981-01-13

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427128, H01F 1002

Patent

active

042449871

ABSTRACT:
In a magnetic storage medium the ferromagnetic pigment is dispersed in a polymeric binder in an organic solvent and the binder comprises at least 50% by weight of a copolymer having alkoxysilane groups attached to the polymeric backbone. The hardening is brought about by acid- or base-catalyzed crosslinking of the alkoxysilane groups after the binder containing the alkoxysilane groups and the magnetic particles in the organic solvent solution is coated on a support.

REFERENCES:
patent: 3536779 (1970-10-01), Bedikian
patent: 3729438 (1973-04-01), Plesich
patent: 3821025 (1974-06-01), Akashi et al.

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