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US 9,285,693 B2Granted
Tuning toner gloss with bio-based stabilizers
AssigneeXerox Corporation
InventorsYulin Wang, Ke Zhou, Tie Hwee Ng, Edward Graham Zwartz, Cuong Vong, Shigang Qiu
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Abstract
The disclosure describes a process to produce toner with tunable gloss levels comprising a stabilizer to freeze particle growth following aggregation, where the stabilizer does not chelate metal ions.
Claims20
A method for making a toner comprising:
- a) forming an emulsion comprising one or more amorphous resins, an optional crystalline resin, an optional wax, an optional colorant and an optional flocculant to form an emulsion comprising resin particles;
- b) aggregating said resin particles;
- c) optionally adding one or more resins to form a shell on said aggregated particles;
- d) adding a bio-based stabilizer in the absence of a chemical chelating agent to said aggregated resin particles to stop particle growth;
- and
- e) coalescing said aggregated resin particles to form toner particles;
- wherein said toner particles have a geometric number distribution or a geometric volume distribution of less than about 1.25.
4 more elements
Dependencies are inferred from the claim text.