Magnetic lacquer dispersions, process for their production and t

Details Magnetic lacquer dispersions, process for their production and t Magnetic lacquer dispersions, process for their production and t

1987-09-08

1989-08-01

Thibodeau, Paul J.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

252 6254, 427128, 428694, 428695, 428900, G11B 564

Patent

active

048532894

ABSTRACT:
An improved magnetic dispersion for magnetic recording which comprises magnetic pigment, abrasive, carbon black or another additive for regulating conductivity, binder, solvent, lubricant, and wetting agent, wherein the improvement comprises quantities of wetting agent, lubricant, or both being between at least 100 to 140% of the individually determined saturation adsorptions of the wetting agent and lubricant, with the proviso that the minimum quantity of wetting agent or lubricant is 80% of the individually determined saturation adsorption.

REFERENCES:
patent: 4444838 (1984-04-01), Yamada
patent: 4562117 (1985-12-01), Kikukawa
patent: 4690863 (1987-09-01), Miyoshi
patent: 4699817 (1987-10-01), Fujiki
patent: 4708909 (1987-11-01), Ohtsuki
patent: 4713293 (1987-12-01), Asano

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