Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1987-07-30
1989-04-25
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...
430110, 430109, G03G 908
Patent
active
048247510
ABSTRACT:
A toner for an electrophotographic process which comprises a complex salt compound represented by the following formula (1) ##STR1## wherein X represents Cl, Br, So.sub.2 NH.sub.2, So.sub.2 CH.sub.3 or So.sub.2 C.sub.2 H.sub.5 and A.sym. represents an alkenyl or alkylammonium ion of 17-28 carbon atoms. The complex salt compound of the formula (1) acts as a negative charge control agent in the toner and is good in compatibility with a binder and the toner prepared using it is excellent in specific chargeability and durability of charge.
REFERENCES:
patent: 4070296 (1978-01-01), Gibson et al.
patent: 4433040 (1984-02-01), Niimura et al.
patent: 4562136 (1985-12-01), Inoue
patent: 4563409 (1986-01-01), Suzuki et al.
Matuura Toshihiko
Sawaki Kenzi
Shindo Seizin
Torigoe Michiko
Nields Henry C.
Nippon Kayaku Kabushiki Kaisha
Welsh J. David
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