Humidity tolerant charge director compositions

Details Humidity tolerant charge director compositions Humidity tolerant charge director compositions

1989-05-19

1991-09-10

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430137, G03G 913

Patent

active

050473069

ABSTRACT:
A humidity tolerant charge director composition comprises a fine dispersion in a non-polar solvent of a charge direction material comprising a molecular charge director compound and an ionic charge director compound, each being conjugated to a polymer which is insoluble in non-polar organic solvents. The charge director material is prepared by adding to a solution of a molecular charge director compound and an ionic charge director compound in a non-polar organic solvent, a monomer compound capable of polymerizing to form a polymer which is insoluble in said solvent, initiating a polyerization reaction of the monomer compound and allowing the polmerization reaction to progress to completion.

REFERENCES:
patent: 4631244 (1986-12-01), Mitchell
patent: 4762764 (1988-09-01), Ng et al.
patent: 4842974 (1989-01-01), Landa et al.
patent: 4897332 (1990-01-01), Gibson et al.
patent: 4923778 (1990-05-01), Blair

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