Toner compositions
AssigneeXerox Corporation
InventorsRoger N. Ciccarelli, Denise R. Bayley, James R. Combes, Thomas R. Pickering, Jacques C. Bertrand
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Abstract
A toner comprised of resin, colorant and a coated silica, and wherein said silica has a primary particle size of about 25 nanometers to about 55 nanometers, and an aggregate size of about 225 nanometers to about 400 nanometers, and said coating is comprised of a mixture of an alkylsilane and an aminoalkylsilane.
Claims27
A toner consisting of resin, colorant and a surface additive of a coated silica, and wherein said silica has a primary particle size of about 25 nanometers to about 55 nanometers and an aggregate size of about 225 nanometers to about 400 nanometers, and said coating is comprised of a mixture of an alkylsilane and an aminoalkylsilane.
A toner comprised of resin, colorant, and as a surface additive a coated silica, and wherein said silica has a primary particle size of about 25 nanometers to about 55 nanometers and an aggregate size of about 225 nanometers to about 400 nanometers, and said coating is comprised of a mixture of an alkylsilane and an aminoalkylsilane, and wherein the resin is comprised of a mixture of a polyester formed by condensation of propoxylated bisphenol A and fumaric acid, and a gelled polyester formed by condensation of propoxylated bisphenol A and fumaric acid.
Dependencies are inferred from the claim text.