Back to results
US 9,791,795 B2Granted
Low fixing temperature sustainable toner
AssigneeXerox Corporation
InventorsKe Zhou, Guerino G. Sacripante
Life of this patent
Estimating the term…
Abstract
The disclosure relates to a resin made with no more than 6 mol % of a rosin or a rosin derivative combined with a lower molecular weight crystalline polyester resin in a toner with low fixing temperature and higher blocking temperature.
Claims20
A toner comprising a bio-based polyester resin comprising a mixture of a rosin-diol, a bis-rosin alcohol and a rosin-carbonate, wherein said mixture is present in the bio-based polyester resin in an amount of greater than 0 mole % to no more than 6 mole %;
- a crystalline polyester (CPE) resin, wherein said CPE is comprised of an acid monomer comprising at least one methylene group and an alcohol monomer comprising at least one methylene group, wherein said acid and alcohol monomers together comprise 16 or fewer methylene groups;
- an optional colorant;
- an optional wax;
- and optionally, a resin monomer comprising bisphenol A (BPA), wherein said toner comprises 0% BPA.
1 more element
Dependencies are inferred from the claim text.