Ester-containing quaternary pyridinium salts

Details Ester-containing quaternary pyridinium salts Ester-containing quaternary pyridinium salts

1991-07-18

1993-03-23

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546341, 546342, C07D21355

Patent

active

051965380

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

REFERENCES:
patent: 4267330 (1981-05-01), Kuehne
patent: 4298672 (1981-11-01), Lu
patent: 4454214 (1984-06-01), Gruber et al.
Tominaga, Y. Reaction of Pyridinium N-Ylides with Ketenethioacetal Derivatives. Chem. Pharm. Bull. 25 (1977), pp. 1528-1533.

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