High surface area carrier

Details High surface area carrier High surface area carrier

G - Physics

03

G

96/51

G03G 9/10 (2006.01) G03G 9/107 (2006.01) G03G 9/113 (2006.01)

Patent

CA 1041344

COMPOSITE CASE D/74265/74305 HIGH SURFACE AREA CARRIER ABSTRACT OF THE DISCLOSURE Classified high surface area carrier materials and an electrostatic imaging process using same. The electrostato- graphic imaging process comprising the steps of providing an electrostatographic imaging member having a recording surface, forming an electrostatic latent image on said recording surface, and contacting said electrostatic latent image with a developer mixture comprising finely-divided toner particles electrostatically clinging to the surface of classified high surface area carrier materials having a specific surface area of at least about 150 cm2/gram, a particle size volume distribution geometric standard deviation of less than about 1.3, and a particle size distribution wherein the carrier particles have an average particle diameter of less than about 100 microns, whereby at least a portion of said finely divided toner particles are attracted to and deposited on said recording surface in conformance with said electrostatic latent image.

225837

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