Magnetic recording medium and process for producing the same

Details Magnetic recording medium and process for producing the same Magnetic recording medium and process for producing the same

1983-10-03

1985-05-21

Pianalto, Bernard D.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

427 44, 427128, 427130, 428522, 428533, 428694, 428900, H01F 1002

Patent

active

045186561

ABSTRACT:
A magnetic recording medium and a process for producing a magnetic recording medium are disclosed, the process comprising the steps of applying onto a non-magnetic base a composition comprising (1) a compound having an unsaturated bond polymerizable by electron beams, (2) at least one polymer, (3) ferromagnetic particles, and (4) an organic solvent, and then polymerizing and curing the resulting magnetic layer by irradiation with electron beams, said polymer being such that at least 10% thereof is adsorbed on the ferromagnetic particles in a mixture of 10 parts by weight of a 1 wt % solution of the polymer and 1 part by weight of the ferromagnetic particles.

REFERENCES:
patent: 4224357 (1980-09-01), Iwai et al.
patent: 4233425 (1980-11-01), Tefertiller et al.
patent: 4234676 (1980-11-01), Hein et al.

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