Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1991-07-18
1993-02-16
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430108, G03G 9135
Patent
active
051870371
ABSTRACT:
New electrostatographic toners and developers are provided containing novel charge control agents comprising ester-containing quaternary ammonium salts having the structure: ##STR1## wherein R.sub.1 is alkyl or aryl, R.sub.2 is alkyl or aryl, R.sub.3 is alkylene, arylene or arylendialkylene, R.sub.4 is alkyl, aryl or aralkyl, R.sub.5 is alkyl or aryl, R.sub.6 is alkyl, aryl, or aralkyl, R.sub.7 is alkyl or aryl, X is ##STR2## Z.sup..crclbar. is an anion and n is an integer from 2 to 6. Such ester-containing quaternary ammonium salts also cause toner particles containing them to display lower fusing temperatures and improved paper adhesion indexes.
REFERENCES:
patent: 4990426 (1991-02-01), Diaz et al.
patent: 5100754 (1992-03-01), Yoerger et al.
patent: 5110977 (1992-05-01), Wilson et al.
Bermel Alexandra D.
Wilson John W.
Eastman Kodak Company
McCamish Marion E.
Montgomery Willard G.
PoDee C. D.
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