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    • Achieving surface hydrophobic and moisture-proof properties of ancient-book paper by in-situ protection of epoxy-based POSS/PVDF composite coating

      ZHILING LAN WANSHAN DUAN

      Volume 46 Published: 11 April 2023 Article ID 0073

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/046/0073

    • Keywords

       

      Hydrophobic; moisture proof; anti-fouling; composite coating; paper.

    • Abstract

       

      Plant-fibre ancient-books with cultural significance should be protected from moisture and pollution. In this work, a strategy of surface in-situ protection (building composite coating) was adopted to achieve good hydrophobicity, moisture-proofness and ink-contamination resistance at the surface of archaistic paper. By pre-ring opening of epoxybased poly(vinyl silsesquioxane) (POSS) and spray of POSS/polyvinylidene fluoride (PVDF) mixed solution, in-situ construction of POSS/PVDF composite coating at the surface of ancient paper was achieved. Compared to water absorbing ancient paper, POSS/PVDF co-modified ancient paper shows strong humidity resistance. The surface of comodified ancient paper (epoxy-group pre-ring opening for 45 min) displays high hydrophobicity (water contact angle of ${\sim}$142.6°), ascribed to greatly improved surface roughness of paper fibres as well as complete coverage of high-content Si/F elements on fibre surface. POSS-modified and neat ancient-paper materials show surface water contact angles of ${\sim}$113.9° and 0°, respectively. Robust ink-resistance of POSS/PVDF co-modified ancient-paper surface is realized. The innovation in this work lies in perfect synergy of cage-shaped POSS and threadlike PVDF in coating. This work might open a way for surface nondestructive-protection to ancient-books for damp-proof, hydrophobic and anti-fouling characteristics.

    • Author Affiliations

       

      ZHILING LAN1 WANSHAN DUAN2

      1. Jiangxi Institute of Fashion Technology, Xiangtang Economic Development Zone, Nanchang 330201, People’s Republic of China
      2. School of Materials Science and Engineering, Yangtze Normal University, Chongqing 408100, People’s Republic of China

    • Dates

       
      Published
      11 April 2023
      Manuscript received
      21 July 2022
      Accepted
      10 December 2022
      Final version published online
      11 April 2023

    • Supplementary Material

       

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