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  • Fading Ink

    Good Morning - thank you for letting me be part of this forum.

    I have a client who wants to create a book that will be sealed and can only be opened on a specific date. They want to stop people cheating, so are looking at ways of having a code printed in the book that will fade after a day or two so it can't then be seen. Are there any printing inks that would enable this to happen? And if not, does anyone know of any other way this could be achieved please?

    Many thanks in advance for any help you can provide.

    best regards
    Ian

  • #2
    You could contact Sicpa. They are a supplier of security inks with different properties according to the type of protection needed: https://www.sicpa.com

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    • #3
      Investigation underway. Films at 11.

      D

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      • #4
        The verdict is in. Currently there is no advanced technology to accomplish this. However, thank you for keeping the wheels spinning.

        D

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        • #5
          how about a scent in the ink that would evaporate over time?

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          • #6
            How about a mechanism like for those greeting cards, with the music. If someone opens the book it activates a really loud siren. Or maybe you can contract out a bank vault security team to transport the books between locations. Brinks?

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            • #7
              You could include a VCP component
              http://pubs.acs.org/subscribe/archiv...ml/02haas.html

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