BINDER COMPOSITION FOR MAGNETIC RECORDING MEDIUM

摘要

PURPOSE: A binder composition for a magnetic recording medium is provided to simplify production processes, to obtain a high dispersibility, and to simply control the physical characteristic of a recording medium by specific chemical change. CONSTITUTION: A binder composition for a magnetic recording medium comprises at least one polyurethane having a specific structural unit(formula(1)) or a partial or full salt thereof and a magnetic or magnetic or magnetizable pigment.