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Ink Jet Printing for Anti-Counterfeit/Brand Protection Applications

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Globalisation of trade brought with it a much increased level of counterfeit. Recent surge of counterfeit activity, afforded by rapidly advancing digital reprographic technology, has heightened the urgent need for advanced anti-counterfeit technology. Functional materials such as photochromic and thermochromic materials have been in existence for many years. However, the application of these materials in anti-counterfeit has been disproportionally few, due to both technical difficulty and relatively high cost of the materials. Ink jet printing is an ideal technology for the production of anti-counterfeit/brand protection marks, due to its characteristic low ink wastage, high integratability with conventional printing presses and high reproducibility. As such, the combination of novel chemistry and advanced ink jet printing technology provides the answer to the future of anti-counterfeit/brand protection. The success of the preparation of ink jet printed anti-counterfeit images relies on the resolution of several technical challenges including, identification/synthesis of suitable functional molecules, and formulation of inks containing such molecules that give satisfactory heat, light, chemical and mechanical resistance. Often, a high level of innovation in chemistry is needed. This paper reports studies on functional ink formulations, particularly those containing photochromic and thermochromic materials, for ink jet printing.

Document Type: Research Article

Publication date: 2006-01-01

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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