Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-12-11

1987-07-07

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427 44, 427128, 252 6254, 428480, 428483, 428522, 428694, 428900, G11B 5702

Patent

active

046787089

ABSTRACT:
A magnetic recording medium, obtained by preparing a radiation-sensitive curing resin by modification of a copolymer of (A) vinyl chloride, (B) a vinyl carboxylate, (C) an unsaturated carboxylic acid and (D) an unsaturated carboxylic anhydride, containing 50 to 80% by weight of (A) based on the total of (A) and (B), 10 to 30% by weight of (D) based on the total of (C) and (D) and a total of 1 to 5 parts by weight of (C) and (D) based on 100 parts by weight of (A) and (B) and having an average polymerization degree of 100 of 400, and a magnetic powder thereby producing a magnetic paint, applying said magnetic paint to a non-magnetic substrate, and solidifying the resultant coating of paint on said substrate by exposure to radiation.

REFERENCES:
patent: 4368239 (1983-01-01), Nakasima
patent: 4415630 (1983-11-01), Kubota
patent: 4434210 (1984-02-01), Nakajima
patent: 4476035 (1984-10-01), Miyoshi
patent: 4559265 (1985-12-01), Kubota
patent: 4601947 (1986-07-01), Shimada
patent: 4603081 (1986-07-01), Shimada

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