High Performance Porous Inkjet Media Derived from Fumed Silica

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Abstract:

Fumed silica is the most important inorganic oxides used for the high performance porous inkjet media due to its high ink absorbing capability, hydrophilicity, and ease of modification. To improve the water fastness of the anionic dye, the surface of the fumed silica need to be modified from negative charged to positive charged. In this paper, different methods to convert the surface charge of fumed silica, and their advantages and disadvantages will be discussed. The chemicals used to treat fumed silica include aluminum chlorohydrate (ACH), aminosilanes, mixture of ACH and aminosilanes, and addition of cationic polymers. A novel process has been developed to treat fumed silica with silane coupling agent in water and their advantages will be discussed. The image quality, the stacking permanence, the durability, and the water fastness of the porous inkjet media comprising these fumed silicas will be compared and discussed.

Document Type: Research Article

Publication date: January 1, 2007

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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