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

1982-02-04

1984-11-13

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of polyester

427 44, 427128, 428694, 428900, H01F 1002

Patent

active

044826109

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

REFERENCES:
patent: 4004997 (1977-01-01), Tsukamoto et al.
patent: 4224357 (1980-09-01), Iwai et al.
patent: 4233425 (1980-11-01), Tefertiller et al.
patent: 4234676 (1980-11-01), Hein et al.
patent: 4303696 (1981-12-01), Brack
patent: 4311766 (1982-01-01), Mattor
patent: 4335183 (1982-06-01), Hosaka et al.

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