Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-04-09

1987-06-09

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

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

Patent

active

046720022

ABSTRACT:
A magnetic recording medium comprising a support having coated thereon a magnetic layer is disclosed. The magnetic layer contains, as a binder, a composition cured with electron beam comprising (a) at least one of vinyl chloride-vinyl acetate type resins containing 5.times.10.sup.-5 to 1.7.times.10.sup.-3 equivalents of a carboxyl group per gram of the polymer and introcellulose resins, (b) a urethane resin and (c) at least one compound selected from the group consisting of aromatic or alicyclic compounds containing at least two vinyl linkages in the molecule and acryloyl-modified polyisocyanate compounds. The magnetic recording medium has excellent electromagnetic properties and durability.

REFERENCES:
patent: 4004997 (1977-01-01), Tsukamoto
patent: 4092173 (1978-05-01), Novak
patent: 4343831 (1982-08-01), Tsuji
patent: 4407853 (1983-10-01), Okita
patent: 4428974 (1984-01-01), Okita
patent: 4448848 (1984-05-01), Okita
patent: 4560616 (1985-12-01), Okita
patent: 4576866 (1986-03-01), Okita
patent: 4619868 (1986-10-01), Okita

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