设计含氟共聚物涂层，用于古籍的持久保护

IF 1.9 4区材料科学 Q3 CHEMISTRY, PHYSICAL

Surface Innovations Pub Date : 2025-05-27 DOI:10.1680/jsuin.25.00008

Zhiling Lan, Qinglin Wu, Yiwen Zhang

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引用次数: 0

摘要

古籍存放时间长，老化严重，稳定性低，脆性高。本文采用自由基聚合法制备了聚甲基丙烯酸叔丁酯-甲基丙烯酸十二氟庚酯，以保护古书纸的表面。采用2-丁酮/聚甲基丙烯酸叔丁酯-甲基丙烯酸十二氟庚酯混合溶液喷涂古书纸表面的聚合物涂层。与原始吸水古书纸相比，改性古书纸具有高柔韧性、耐湿性和高疏水性。改性后的纸纤维表面粗糙度显著提高，纤维表面被F元完全覆盖。改性古书纸表面水接触角为153°，而原纸表面亲水性强。改性后的古书纸表面的疏水性和抗污染性能得到增强。该工作的新颖之处在于刚性聚（甲基丙烯酸叔丁酯）和柔性聚（甲基丙烯酸十二氟庚酯）在涂层中的协同作用。本工作为古书纸表面的非破坏性长期疏水保护铺平了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design fluorinated copolymer coating used for long-lasting protection of ancient book

Ancient books are stored for extended periods to experience severe aging, showing low stability and high brittleness. Here, poly(tert-butyl methacrylate-dodecafluoroheptyl methacrylate) was prepared using free radical polymerisation to safeguard the surface of ancient book paper. The polymer coating was constructed on the surface of ancient book paper by spraying 2-butanone/poly(tert-butyl methacrylate-dodecafluoroheptyl methacrylate) mixed solution. Compared to pristine water-absorbing ancient book paper, the modified ancient book paper demonstrates high flexibility, moisture resistance, and high hydrophobicity. Surface roughness of modified paper fibres was significantly improved, and fibre surface was completely covered by F element. Surface water contact angle of modified ancient book paper was 153°, while the original paper surface was highly hydrophilic. Hydrophobicity and anti-pollution performance of modified ancient book paper surface were enhanced. The work novelty is a synergy between rigid poly(tert-butyl methacrylate) and flexible poly(dodecafluoroheptyl methacrylate) in the coating. This work paves a road for non-destructive long-term hydrophobic protection for the surface of ancient book paper.

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来源期刊

Surface Innovations CHEMISTRY, PHYSICALMATERIALS SCIENCE, COAT-MATERIALS SCIENCE, COATINGS & FILMS

CiteScore

5.80

自引率

22.90%

发文量

期刊介绍： The material innovations on surfaces, combined with understanding and manipulation of physics and chemistry of functional surfaces and coatings, have exploded in the past decade at an incredibly rapid pace. Superhydrophobicity, superhydrophlicity, self-cleaning, self-healing, anti-fouling, anti-bacterial, etc., have become important fundamental topics of surface science research community driven by curiosity of physics, chemistry, and biology of interaction phenomenon at surfaces and their enormous potential in practical applications. Materials having controlled-functionality surfaces and coatings are important to the manufacturing of new products for environmental control, liquid manipulation, nanotechnological advances, biomedical engineering, pharmacy, biotechnology, and many others, and are part of the most promising technological innovations of the twenty-first century.