Magnetic coating and magnetic recording medium

Compositions – Magnetic – With wax – bitumen – resin – or gum

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Details

428403, 428694, 428900, 428523, 427127, 427128, C04B 3504

Patent

active

049833111

ABSTRACT:
A magnetic coating comprising magnetic powder, a binder and an organic solvent, characterized in that at least one component of the binder is a vinyl chloride copolymer having hydroxyl group, and carboxylic acid groups or sulfur- or phosphorus-containing strong acid radicals, and the comonomer supplying the hydroxyl groups is a monoallyl ether of polyhydroxy compound, and a magnetic recording medium made by coating a substrate with the magnetic coating.

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