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Adhesion of Silica Particles and Silylated Silicon Tips on Model Toner Surfaces – A SFM Study

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Toner flow and tribochargeability are strongly influenced by pyrogenic silica particles, depending on the surface chemistry of the pyrogenic silica particles and their particle dimensions. Scanning Force Micorscopy (SFM) is an effective tool to describe surface features and mechanical properties of toner particles. Conventional toners based on polystyrene (PS) and polymethylmethacrylate (PMMA) and polyester are used; in addition the study covers chemical prepared toners (CPT) as well. Pyrogenic silica particle geometries have an impact on the pyrogenic silica-toner adhesion. Combining smaller and larger pyrogenic silica particle dimensions together with different surface chemistries, providing harder and softer silylation layers, enables to develop models of real pyrogenic silica toner adhesion.

For this purpose, dynamic SFM techniques like Tapping Mode (TM) and Pulsed Force Mode (PFM) are used for imaging and modeling of toner surfaces and tonerpyrogenic silica particles.

Document Type: Research Article

Publication date: 2003-01-01

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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