Magnetic recording medium comprising a specific type of copolyme

Details Magnetic recording medium comprising a specific type of copolyme Magnetic recording medium comprising a specific type of copolyme

1985-04-12

1987-08-25

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of epoxy ether

252 6254, 427128, 428416, 428522, 428523, 428524, 428694, 428900, G11B 5702

Patent

active

046892699

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support, and a magnetic recording layer formed on the support. The layer is made of a composition which comprises magnetic powder dispersed in a resin binder comprising a thermosetting resin and a copolymer of maleic anhydride and an olefinically unsaturated monomer. The monomer is selected from alkyl esters of acrylic and methacrylic acids, alkenes, vinyl chloride, styrene and mixtures thereof.

REFERENCES:
patent: 3795539 (1974-03-01), Dimino
patent: 4465737 (1984-08-01), Miyatuka
patent: 4476035 (1984-10-01), Miyoshi
patent: 4492734 (1985-01-01), Ogawa
patent: 4559265 (1985-12-01), Kubota

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