Magnetic recording medium containing a binder which is chemicall

Details Magnetic recording medium containing a binder which is chemicall Magnetic recording medium containing a binder which is chemicall

1989-10-05

1992-01-07

Cashion, Jr., Merrell C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428403, 428407, 428694, 428900, G11B 2300

Patent

active

050790854

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic support having provided thereon a magnetic layer comprising ferromagnetic fine powder dispersed in a binder, wherein said magnetic layer contains crosslinked resin fine particles to which a polymer containing an --OH group has been bonded, and an isocyanate compound, said polymer containing an --OH group having an affinity toward said binder and said --OH group reacting with said isocyanate compound to form a chemical bond with said binder.

REFERENCES:
patent: 4656089 (1987-04-01), Ninomiya et al.
patent: 4710424 (1987-12-01), Bandaira et al.
patent: 4743653 (1988-05-01), Numata et al.
patent: 4842936 (1989-06-01), Kashihara et al.

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