| 摘要 |
In a magnetic recording medium such as VTR tape, a magnetic layer coated on a non-magnetic substrate comprises a binder of polyurethane resin of a reaction products among etheralcohol, polyesterpolyol, diisocyanate compound and silicon compound represented by the following general formula: <IMAGE> (R: alkyl group, n: 1 or larger integer) and ferromagnetic powder dispersed in said binder; and the recording medium has very low friction coefficient, high C/N value and high durability without increase of amount of conventional lubricant or anti-abrasion agent in the magnetic layer.
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