Chemically prepared toners of controlled particle shape
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United States of America Patent
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Issued Date -
May 8, 2003
app pub date -
Jul 2, 2002
filing date -
Jul 25, 2001
priority date (Note) -
Abandoned
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Abstract
A process for preparing polymeric toner particles comprises dissolving a binder polymer in an organic solvent to form an organic phase, which is dispersed in an aqueous phase comprising a promoter and a particulate stabilizer to form a first dispersion. This first dispersion is homogenized to form a limited coalescence dispersion, to which is added poly(adipic acid-co-N-methylaminethanol), resulting in formation of a mixture comprising toner particle droplets. The organic solvent is removed from the mixture, and the resulting non-spherical toner particles are collected.
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