Magnetic paint for magnetic recording media

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

1985-05-13

1987-11-17

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of epoxy ether

252 6254, 427128, 428522, 428694, 428900, G11B 5702

Patent

active

047074116

ABSTRACT:
A magnetic paint for magnetic recording media, comprising a magnetic powder and as a binder therefor, a copolymer resin containing 0.5 to 10% by weight of epoxy groups and 0.1 to 4.0% by weight of sulfur- or phosphorus-containing strong acid groups and having a vinyl chloride unit content of at least 60% by weight.

REFERENCES:
patent: 4368237 (1983-01-01), Yamada
patent: 4520079 (1985-05-01), Nakajima
patent: 4529661 (1985-07-01), Ninomiya
patent: 4562117 (1985-12-01), Kikukawa
patent: 4594174 (1986-06-01), Nakayama
patent: 4600521 (1986-07-01), Nakamura
patent: 4613545 (1986-09-01), Chubachi

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