We've updated our Privacy Policy to make it clearer how we use your personal data.

We use cookies to provide you with a better experience. You can read our Cookie Policy here.

Advertisement
Re-usable Colour Printable Paper Is Here
News

Re-usable Colour Printable Paper Is Here

Re-usable Colour Printable Paper Is Here
News

Re-usable Colour Printable Paper Is Here

Schematic illustration of multicolour and water printing. Chemical structures of L1, L2 and L3, and the printing and erasing processes for the constructed rewritable paper. Credit: Ma et al.
Read time:
 

Want a FREE PDF version of This News Story?

Complete the form below and we will email you a PDF version of "Re-usable Colour Printable Paper Is Here"

First Name*
Last Name*
Email Address*
Country*
Company Type*
Job Function*
Would you like to receive further email communication from Technology Networks?

Technology Networks Ltd. needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time. For information on how to unsubscribe, as well as our privacy practices and commitment to protecting your privacy, check out our Privacy Policy

A new strategy to produce rewriteable paper that can print long-lasting yet erasable multi-colour images is demonstrated in Nature Communications this week.

Reusable paper holds environmental and cost benefits over its disposable counterpart, but its absence from the everyday marketplace stems from an existing inability to print multi-coloured, long-lasting images that are also erasable.


Qiang Zhao, Wei Huang and colleagues have designed a paper and ink combination that allows them to print multi-colour images that last for over six months, but that can also be erased on demand. The inks consist of metal salts dissolved in water, and the paper is modified to contain molecules that interact with these metals. Inkjet printing of a pattern or text causes the paper to change colour as a new compound forms. The colour adopted depends on the metal salts used, and as a broad range of these are available, a wide colour palette can be printed. Owing to the reversible nature of the chemical bonds, coating the paper with a specific substance will then break those bonds and erase the image.


The authors note that the paper can only be rewritten up to eight times before the colours will start to fade, but propose that their lost-cost strategy could bring us closer to realising commercially viable rewritable paper.

This article has been republished from materials provided by Nature. Note: material may have been edited for length and content. For further information, please contact the cited source.

Reference
Dynamic metal-ligand coordination for multicolour and water-jet rewritable paper.Yun Ma, Pengfei She, Kenneth Yin Zhang, Huiran Yang, Yanyan Qin, Zihan Xu, Shujuan Liu, Qiang Zhao & Wei Huang. Nature Communications (2018) 9:3 DOI: 10.1038/s41467-017-02452-w.

Advertisement