Magnetic recording medium wherein the magnetic layer has as the

Details Magnetic recording medium wherein the magnetic layer has as the Magnetic recording medium wherein the magnetic layer has as the

1991-05-23

1992-10-06

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284246, 428694, 428900, 252 6254, G11B 500

Patent

active

051530716

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support having thereon a magnetic layer comprising ferromagnetic particles disposed in a binder, the binder comprising a vinyl chloride copolymer and a polyurethane resin, wherein the polyurethane resin is a polyether polyurethane resin containing a polyether polyol having a ring structure.

REFERENCES:
patent: 4333988 (1982-06-01), Yamada et al.
patent: 4431712 (1984-02-01), Matsufuji et al.
patent: 4560616 (1985-12-01), Okita et al.
patent: 4677030 (1987-06-01), Gerum et al.

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