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Water assisted biomimetic synergistic process and its application in water-jet rewritable paper

Author

Listed:
  • Guan Xi

    (College of Chemistry, Jilin University)

  • Lan Sheng

    (Jilin University)

  • Jiahui Du

    (College of Chemistry, Jilin University)

  • Jinyan Zhang

    (Jilin University)

  • Minjie Li

    (College of Chemistry, Jilin University)

  • Hongze Wang

    (Lucky Healthcare Limited Liability Company)

  • Yufei Ma

    (Lucky Healthcare Limited Liability Company)

  • Sean Xiao-An Zhang

    (College of Chemistry, Jilin University)

Abstract

The colour of water-jet rewritable paper (WJRP) is difficult to be expanded via single hydrochromic molecule, especially black. Here, inspired by the amazing phenomenon of bound-water in cells enabling various biological transformations via facilitating synergistic inter-/intra-molecular proton transfer, we present a simple strategy toward WJRP based on binary systems containing less-sensitive acidochromic dyes and mild proton donors (or developers). With such a binary system containing commercial black dye as the colouring agent, benzyl 4-hydroxybenzoate as the developer, and biomimetic bound-water as proton-transferring medium, we successfully achieve the long-awaited black WJRP. Printed images on such WJRP have excellent performances and long retaining time (>1 month). In addition, the robustness, durability and reversibility of WJRP could be increased distinctly by using polyethylene terephthalate as substrate. This strategy significantly expands hydrochromic colours to entire visible range in an eco-friendly way, which opens an avenue of smart materials for practical needs and industrialization.

Suggested Citation

  • Guan Xi & Lan Sheng & Jiahui Du & Jinyan Zhang & Minjie Li & Hongze Wang & Yufei Ma & Sean Xiao-An Zhang, 2018. "Water assisted biomimetic synergistic process and its application in water-jet rewritable paper," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07211-z
    DOI: 10.1038/s41467-018-07211-z
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