Odor reduction in toner polymers

Details Odor reduction in toner polymers Odor reduction in toner polymers

1995-03-29

1996-05-28

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526235, 5263285, 526347, C08F 238, C08F 428, C08F22010, C08F21208

Patent

active

055212689

ABSTRACT:
The present invention is a process for making an electrophotographic toner binder. The toner binder has reduced mercaptan odor at elevated temperatures. The toner binder is formed by mixing monomers in a ratio that determines the final composition of the polymer or toner binder and contacting the monomers with air or oxygen. A chain transfer agent and polymerization initiator are added to the monomers. A suitable suspension polymerization type aqueous phase is prepared. The aqueous and monomer phases are blended and sheared to form monomer droplets, the mixture is suspension polymerized by heating and the aqueous phase is removed from the polymer beads.

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