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US 8,795,937 B2Granted
Magenta polymerized toner
AssigneeLG Chem, Ltd.
InventorJung-Woo Kim
Life of this patent
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Abstract
This disclosure relates to magenta polymerized toner comprising magenta pigment selected from quinacridone-based derivatives and magenta pigment selected from diketo-pyrrolopyrrole derivatives, having high transfer efficiency, high image density, and uniform particle distribution.
Claims11
Magenta polymerized toner comprising toner particles comprising:
- 100 parts by weight of binder resin;
- and
- 1 to 10 parts by weight of a magenta pigment mixture comprising 10 to 70 wt % of quinacridone-based magenta pigment represented by the following Chemical Formula 1, and 30 to 90 wt % of diketo-pyrrolopyrrole-based magenta pigment represented by the following Chemical Formula 2, dispersed in the binder resin:
- wherein, R is independently —OCH3, CH3, H, F, Cl or CF3
- wherein, R is independently -t-butyl, CH3, H, phenyl, Cl, or CN.
2 more elements
Dependencies are inferred from the claim text.