Method of modifying the charging propensity of carrier particles for electrostatographic developers and carrier particles produced thereby
AssigneeEastman Kodak Company
InventorWilliam E. Yoerger
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Abstract
The invention provides a method of modifying the triboelectric charging propensity of carrier particles coated with a fluorohydrocarbon polymer. The method comprises dehydrofluorinating and oxidizing the polymer by contacting the coated particles with a basic solution and a solution of an oxidizing agent. The resulting new particles have less fluorine atoms bonded to the coated polymer and also have oxygen atoms bonded thereto.
Claims13
A method of modifying the triboelectric charging propensity of particles coated with a fluorohydrocarbon polymer for use as carriers in electrostatographic development, comprising:
- dehydrofluorinating the polymer by contacting the coated particles with a basic solution;
- and
- oxidizing the polymer by contacting the coated particles with a solution of an oxidizing agent.
A carrier particle for use in electrostatographic development, comprising a core material having a polymeric coating comprising a fluorohydrocarbon polymer that has been modified by removing fluorine atoms from and bonding oxygen atoms to the coated polymer.
Dependencies are inferred from the claim text.