Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1983-08-10

1986-10-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

360134, 360135, 360136, 252 6254, 427 44, 427128, 428522, 428694, 428900, G11B 570

Patent

active

046198687

ABSTRACT:
A magnetic recording medium comprised of a support having a magnetic layer coated thereon is disclosed. The magnetic layer is comprised of a binder composition having a ferromagnetic powder dispersed therein. The binder composition is cured by an electron beam. The composition is comprised of 50 to 400 parts by weight of a compound having 2 or more acryloyl groups or methacryloyl groups in the molecule and 100 parts by weight of a mixture of 20 to 80 parts by weight of a thermoplastic resin having a thermal deformation temperature of 70.degree. C. or more and 20 to 80 parts by weight of a rubber type resin. The material has excellent electromagnetic properties after repeated use. Further, the medium has high physical strength and excellent wear resistance.

REFERENCES:
patent: 4407853 (1983-10-01), Okita
patent: 4415630 (1983-11-01), Kubota
patent: 4428974 (1984-01-01), Okita
patent: 4443490 (1984-04-01), Nakajima
patent: 4448848 (1984-05-01), Okita
patent: 4560616 (1985-12-01), Okita
patent: 4576866 (1986-03-01), Okita

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