Magnetic paint for magnetic recording media

Details Magnetic paint for magnetic recording media Magnetic paint for magnetic recording media

1985-08-21

1986-06-10

Demers, Arthur P.

Compositions

Magnetic

With wax, bitumen, resin, or gum

4284259, 428694, 428900, C04B 3504, C07F 902

Patent

active

045941742

ABSTRACT:
A magnetic paint for use in magnetic recording media comprising a magnetic powder and as a binder therefor, a copolymer resin having a bonded carboxyl group content of 0.3 to 5.0% by weight, a bonded epoxy group content of at least 0.5% by weight, and a vinyl chloride unit content of at least 60% by weight.

REFERENCES:
patent: 3526598 (1970-09-01), Lemke
patent: 4153754 (1979-05-01), Huisman
patent: 4333988 (1982-06-01), Yamada et al.
patent: 4460653 (1984-07-01), Azegaml et al.
patent: 4476035 (1984-10-01), Miyoshi et al.
patent: 4507217 (1985-03-01), Sears
patent: 4520079 (1985-05-01), Nakajima et al.
patent: 4543312 (1985-09-01), Murakawa et al.

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