Compositions – Magnetic – With wax – bitumen – resin – or gum
Patent
1989-10-24
1991-01-08
Dixon, Jr., William R.
Compositions
Magnetic
With wax, bitumen, resin, or gum
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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Nakamura Eitaro
Nakayama Akira
Takano Fumio
Yamakawa Masahiro
Dixon Jr. William R.
Marcantoni Paul
Nippon Zeon Co. Ltd.
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