Magnetic recording medium
AssigneeTDK Electronics Co., Ltd.
InventorsAkihiko Hosaka, Kazushi Tanaka
Life of this patent
Estimating the term…
Abstract
A magnetic recording medium having improved electromagnetic conversion characteristics and physical properties prepared by using a three-component binder consisting of a polyurethane resin, a phenoxy resin and a vinyl chloride-vinylidene chloride resin.
Claims3
A magnetic recording medium comprising a base support and a layer of a magnetic coating material on said base support, said magnetic coating material comprising a magnetic material dispersed in a binder containing three resin components, namely from 30 to 70% of a polyurethane resin, from 15 to 45% of a phenoxy resin and from 5 to 45% of a vinyl chloride-vinylidene chloride resin, all percentages being by weight.
Dependencies are inferred from the claim text.