Magnetic recording medium and method for preparing the same

Details Magnetic recording medium and method for preparing the same Magnetic recording medium and method for preparing the same

1989-04-13

1991-12-24

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

427131, 4284259, 428900, G11B 2300

Patent

active

050751808

ABSTRACT:
A magnetic recording medium comprising a support having provided on one surface thereof a magnetic layer, and on the opposite surface thereof a backing layer comprising nonmagnetic particles dispersed in a binder, wherein the binder in the backing layer comprises a vinyl chloride-vinyl acetate copolymer of from 50 to 80 parts by weight, a polyester resin of from 1 to 40 parts by weight, and a polyisocyanate of from 10 to 49 parts by weight, per 100 parts by weight of the binder.

REFERENCES:
patent: 4135016 (1979-01-01), Ogawa et al.
patent: 4135031 (1979-01-01), Akashi et al.
patent: 4328935 (1982-05-01), Steel
patent: 4388376 (1983-07-01), Kubota et al.
patent: 4389458 (1983-06-01), Hosaka et al.
patent: 4419406 (1983-12-01), Isobe et al.
patent: 4664979 (1987-05-01), Yamada et al.
patent: 4693929 (1987-09-01), Ryoke et al.

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