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High light fastness disazo dyes for inkjet printing

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Water-soluble dyes have good solubility, brightness and long shelf life, but higher penetration, poor water and light fastness compare with pigment colorant on printing paper. How to increase light fastness of dyes is always an important issue on inkjet printing for photo. Dye containing carboxyl groups could improve water fastness had been studied but lacked off light fastness information [1,2,3].

In this paper, a series of disazo dyes which diazonium group contained carboxyl groups and methoxyl groups included navy blue, red and yellow components were synthesized and evaluated showing good light fastness and high color strength.

These diazo compositions form deep black shade and have been approved with high color strength and light fastness performance compared with commercial market product. This range of product is easy dissolved in aqueous and has good printing performance on inkjet application.

Document Type: Research Article

Publication date: 2010-01-01

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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