Feedback control system for polymer modification of toner resins

Details Feedback control system for polymer modification of toner resins Feedback control system for polymer modification of toner resins

1995-07-12

1997-07-22

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

430109, 430137, 528502, L08G 6352

Patent

active

056504845

ABSTRACT:
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.

REFERENCES:
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patent: 4894308 (1990-01-01), Mahabadi et al.
patent: 4973439 (1990-11-01), Chang et al.
patent: 5145762 (1992-09-01), Grushkin
patent: 5227460 (1993-07-01), Mahabadi et al.
patent: 5376494 (1994-12-01), Mahabadi et al.

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