Magnetic recording media incorporating a quaternary ammonium fun

Details Magnetic recording media incorporating a quaternary ammonium fun Magnetic recording media incorporating a quaternary ammonium fun

1997-05-30

2000-10-31

Resan, Stevan A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428328, 428403, 4284259, 428500, 428694B, 428694BG, 428694BA, 428900, G11B 05706

Patent

active

061399469

ABSTRACT:
Surface treatment agents incorporating both acidic functionality and electron withdrawing functionality are extremely effective for promoting compatibility of magnetic pigments with binder systems incorporating quaternary ammonium functionality. Such surface treatment agents are particularly effective in combination with binder systems incorporating quaternary ammonium functional, nonhalogenated vinyl copolymers such as are described in U.S. Pat. No. 5,510,187.

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