Magnetic recording media and a method using a stable fluid react

Details Magnetic recording media and a method using a stable fluid react Magnetic recording media and a method using a stable fluid react

1986-07-31

1989-10-24

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427128, 4273722, 428329, 428522, 428694, 428900, G11B 570

Patent

active

048761494

ABSTRACT:
A magnetic recording medium is provided with a layer comprised of finely divided particles dispersed in a binder comprised of a particular crosslinked dispersing polymer based on a vinyl aromatic monomer and having a degree of polymerization greater than about 100. The layer may be on a flexible, semi-rigid, or rigid support base. A stable-fluid, reactive dispersion of finely divided magnetic particles in a crosslinked dispersing polymer having a degree of polymerization greater than 100 which can be mixed with a crosslinker to provide a curable composition useful in preparing the magnetic recording medium. The curable composition also preferably contains multi-hydroxyl-functional polyurethane as a soft-component contributing cobinder resin.

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