Toner compositions and processes
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 13, 2011
app pub date -
Apr 9, 2010
filing date -
Apr 9, 2010
priority date (Note) -
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Abstract
The present disclosure provides processes for producing polyester toners by emulsion aggregation where the resulting toner particles have high pigment loadings and desired circularity. The methods include adding a metal, in embodiments a metal compound, at the beginning of coalescence, which speeds the coalescence process and produces toner particles having a desired size and circularity for use in electrophotographic imaging systems.
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