Polyester resin containing magnetic toner material and process for its use in flash fuser
AssigneeXerox Corporation
InventorStephen L. Gaudioso
Life of this patent
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Abstract
A new magnetic toner comprising a magnetic material and a resin comprising a polymeric esterification product of a dicarboxylic acid and a diol comprising a diphenol is disclosed. This toner is particularly useful in flash fusing systems.
Claims10
A single component magnetic toner comprised of from about 25 percent to about 50 percent by weight of a resin which is selected from the polymeric esterification condensation products of 2,2 bis (4-hydroxy-isopropoxy-phenyl)-propane and fumaric acid, 2,2 bis (4-hydroxy-isopropoxy-phenyl)-propane and 2,2-dimethyl fumaric acid, 2,2 bis (4-hydroxy-butoxy-phenyl)-propane and fumaric acid, 2,2 bis (4-hydroxy-butoxy-phenyl)-propane and 2,2-dimethyl fumaric acid, or 2,2 bis (4-hydroxy-ethoxy phenyl)-propane and fumaric acid, and from about 50 percent to about 75 percent of magnetite.
Dependencies are inferred from the claim text.