Magnetic recording medium comprising a surface-treated abrasive

Details Magnetic recording medium comprising a surface-treated abrasive Magnetic recording medium comprising a surface-treated abrasive

1985-11-08

1987-01-06

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

360134, 360135, 360136, 427128, 428328, 428329, 428694, 428900, 4284259, 428407, G11B 370

Patent

active

046346279

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic support, and a magnetic recording layer formed on said support. The magnetic recording layer comprises a magnetic powder and an abrasive powder dispersed in a resin binder. The abrasive powder has a coating of an isocyanate compound having at least two isocyanate groups in one molecule thereof and is used in an amount of from 0.5 to 20 parts by weight per 100 parts by weight of the magnetic powder.

REFERENCES:
patent: 4420408 (1983-12-01), Kajimoto
patent: 4501795 (1985-02-01), Takeuchi
patent: 4584243 (1986-04-01), Kadokura

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