Toner, charge-imparting material and composition containing subs

Details Toner, charge-imparting material and composition containing subs Toner, charge-imparting material and composition containing subs

1985-10-18

1987-05-05

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...

4301066, G03G 908

Patent

active

046632638

ABSTRACT:
A triboelectrically chargeable composition for use in development of electrostatic latent images. The composition contains a substituted guanidine compound having at least one substituent group. The substituted guanidine compound is preferably one represented by the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different groups including hydrogen atom, alkyl, cycloalkyl, alkenyl, aryl, aralkyl, alkaryl, and heterocyclic groups, of which a hydrogen atom may be further replaced by a substituent group, and at least one of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is a group other than hydrogen. The composition is embodied typically as a positively chargeable toner and also as a charge-imparting material for charging a toner.

REFERENCES:
patent: 3844966 (1974-10-01), Nelson
patent: 3930080 (1975-12-01), Tanimoto et al.
patent: 4253886 (1981-03-01), Aonuma et al.
patent: 4554233 (1985-11-01), Hashimoto et al.

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