Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Patent
1988-12-30
1990-03-27
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
430110, G03G 908
Patent
active
049120093
ABSTRACT:
An electrophotographic dry toner having excellent properties with respect to charging, RH stability and fusing is made in a process in which the binder polymer is formed by suspension polymerizing a styrene-acrylic monomer mixture in the presence of a polyester-promoted colloidal silica suspending agent which is free of other hydrophilic polymers. The resulting polymer is melt blended with toner addenda such as a colorant and a charge control agent and the mixture is pulverized to form the toner composition.
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Amering Allan R.
Smith Dennis E.
Spence John M.
Eastman Kodak Company
Lindeman Jeffrey A.
Michl Paul R.
Wiese Bernard D.
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