Xerox Corporation

Jennifer E Dewan

Joo T Chung

Timothy L Lincoln

Hui Chang

Joseph L Leonardo

J Stephen Kittelberger

John J Ianni

Michael G Hawkins

Yvonne M Kenney

An apparatus for the preparation of a mixture of toner resin and initiator, to form a toner resin or toner mixture including cross-linked microgel particles is provided. The apparatus includes a toner extruder having the resin being conveyed therethrough and an adder for adding the initiator to the toner resin in the toner extruder to form the toner resin or mixture. The apparatus also includes a measurer for measuring the cross-linked microgel particles in the toner mixture substantially immediately after mixing in the toner extruder and transmitting a signal indicative of the quantity of cross-linked microgel particles in the toner resin or mixture. The apparatus also includes a controller for controlling the addition rate of initiator in response to the signals from the measurer.

Feedback control system for polymer modification of toner resins and

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Rochester, NY, United States of America

Jennifer E Dewan