Toners and developers containing ester-containing quaternary pyr

Details Toners and developers containing ester-containing quaternary pyr Toners and developers containing ester-containing quaternary pyr

1991-07-18

1993-05-18

Mc Camish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

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

430115, 430120, 546 13, G03G 910

Patent

active

052120350

ABSTRACT:
New electrostatographic toners and developers are provided containing novel charge control agents comprising ester-containing quaternary pyridinium salts having the structure: ##STR1## wherein R.sub.1 is alkyl or aryl, X is CH.sub.2n, Y is hydrogen, alkyl, alkoxy or halogen, Z.crclbar. is an anion and n is an integer from 2 to 6.
Such ester-containing quaternary pyridinium salts also cause toner particles containing them to display lower fusing temperatures and improved adhesion indexes.

REFERENCES:
patent: 4298672 (1981-11-01), Lu
patent: 4454214 (1984-06-01), Gruber et al.
patent: 5041625 (1991-08-01), Wilson et al.
patent: 5070203 (1991-12-01), Wilson et al.
patent: 5075190 (1991-12-01), Alexandrovich et al.

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