HYDROPHOBIC SILICA FOR ELECTROPHOTOGRAPHIC TONER COMPOSITION

• Main Authors: RAINER LAMANN, FARIDEH YAMCHI, JÜRGEN BEHNISCH, MASANOBU KANEEDA, JENS PELTZER
• Format: Patent
• Language: English; Portuguese
• Published: 11.10.2018
• Subjects: ADHESIVES; CHEMISTRY; COMPOUNDS THEREOF; DYES; INORGANIC CHEMISTRY; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-METALLIC ELEMENTS; PAINTS; POLISHES; PREPARATION OF CARBON BLACK; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES

The invention relates to a hydrophobic silica powder which is unprecedentedly insensitive to environmental humidity with which electrophotographic toner can possess stable electro static charge that leads to stable quality of printed image. The hydrophobic silica powder has the following physicochem...