Ink Jet Pigments: The Triple S Concept
Abstract:For ink jet grade pigments the Triple S concept became well accepted. Besides chemical constitution the solid state parameters size, shape and surface properties (“Triple S”) are the key design elements.
Furthermore the “hidden pigment properties” have to be controlled. One example is the dynamic surface tension measurement (DSTM). Depending on the pigment and the associated dispersing or wetting agent, the DSTM can be modified in a wide range. This is important for the various fast wetting processes during ink jet printing.
In a similar way the pigment conditioning has a significant influence on viscosity and on viscosity over shear rate.
Applications: for each application further demands have to be fulfilled. Office and desk-top application need high transparency, good optical density and the desired photorealistic quality.
Wide format printing requires high light-, weather- and water fastness and sometimes more opaque pigments.
Document Type: Research Article
Publication date: January 1, 2007
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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