Magnetic recording media

Details Magnetic recording media Magnetic recording media

1988-02-26

1990-01-23

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428694, 428900, G11B 570

Patent

active

048957640

ABSTRACT:
In magnetic recording media consisting of a nonmagnetic base and, firmly applied to this, one or more magnetic layers based on a magnetic material finely dispersed in organic binders, the binder consists of not less than 50% by weight of a high molecular weight branched polyurethane elastomer possessing OH-containing urea groups at the chain ends.

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patent: 4677030 (1987-06-01), Gerum et al.

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