Electrostatic toners with polyamine charge stabilizers

Details Electrostatic toners with polyamine charge stabilizers Electrostatic toners with polyamine charge stabilizers

1994-05-18

1996-02-13

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, 430904, G03G 9097

Patent

active

054910439

ABSTRACT:
An electrostatic toner contains a polymeric binder and as a charge stabilizer a polyamine whose average molecular weight is from 150 to 15,000 and wherein the nitrogen atoms are separated from each other by C.sub.1 -C.sub.13 - alkylene, which may be phenyl-substituted, or by phenylene, which may be C.sub.1 -C.sub.4 -alkyl-substituted, and are substituted by C.sub.1 -C.sub.13 -alkyl, which may be phenyl-, hydroxyl- or carboxyl-substituted, phenyl, C.sub.1 -C.sub.10 -alkanoyl, benzoyl, C.sub.1 - C.sub.6 - alkylcarbamoyl, phenylcarbamoyl or a radical of the formula CO-L-CO, where L is C.sub.2 -C.sub.8 -alkylene, the last case resulting in the crosslinking of two polyamine units.

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