Magnetic recording medium and a coating composition therefor
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United States of America Patent
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Sep 13, 1988
Grant Date -
N/A
app pub date -
Dec 24, 1986
filing date -
Dec 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a magnetic coating composition capable of giving a magnetic recording medium having improved properties in respect of the dispersibility of the ferromagnetic particles in the vehicle resin and the surface properties of the magnetic recording medium coated therewith. The inventive magnetic coating composition is characteristic in the use of a specific vehicle resin having a polymeric molecular structure composed of the monomeric units of vinyl chloride, vinyl alcohol, amine-modified vinyl and, optionally, vinyl carboxylate and epoxy-containing a monomer in specified proportions.
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