Charge control agent combination of lecithin and pyrrolidone pol

Details Charge control agent combination of lecithin and pyrrolidone pol Charge control agent combination of lecithin and pyrrolidone pol

1988-10-05

1990-01-30

Welsh, J. David

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430904, G03G 912

Patent

active

048973327

ABSTRACT:
Improved charge control agent for electrophotographic liquid toners comprising a mixture of lecithin and an alkylated poly-N-vinyl pyrrolidone polymer is disclosed. Methods include applying liquid toners comprising such charge control agent mixture to an electroconductive substrate that has been electrostatically charged in the image areas thereof.

REFERENCES:
patent: 3985663 (1976-10-01), Lu et al.
patent: 4762764 (1988-08-01), Ng et al.

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