Hydrogels – a desirable alternative to water paper restoring procedures: impacting paper properties

IF 0.5 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY Chemija Pub Date : 2022-12-09 DOI:10.6001/chemija.v33i4.4807
Monika Baublytė, J. Kupčiūnaitė, Milda Liubinienė, A. Beganskiene
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Abstract

Water immersion is a common practice for treating paper media. However, this treatment could irreversibly damage paper and the information written on it – such procedures are advised if the documents do not contain water-resistant components such as inks or paints and the form is mechanically stable. Thus, polymeric materials are an attractive alternative to water immersion cleaning. Various polymers are used to produce hydrogels, but there is not much information on cleaning effects before and after aging. Due to their highly rigid properties, Kelcogel, TopVision Agarose and PhytagelTM hydrogels could be applied to clean fragile paper media instead of water immersion. The hydrogel could safely clean without any residue or change of paper properties. Selected polymers were analysed for composition, water discharge and acidity according to the corresponding requirements for restoration processes: to establish changes in chemical and physical paper properties after hydrogel cleaning, filter paper samples were analysed with SEM, TGA, FTIR and pH-meter and compared to the benchmarks of filter paper cleaned with distilled water.
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水凝胶——一种理想的替代水纸修复程序:影响纸张性能
浸水是处理纸介质的常见做法。然而,这种处理可能会不可逆转地损坏纸张及其上所写的信息——如果文件中不包含墨水或油漆等防水成分,并且形式机械稳定,则建议使用此类程序。因此,聚合物材料是一种有吸引力的水浸清洁替代品。各种聚合物被用于生产水凝胶,但关于老化前后的清洁效果的信息并不多。由于其高刚性特性,Kelcogel、TopVision琼脂和PhytagelTM水凝胶可以应用于清洁易碎的纸介质,而不是水浸泡。水凝胶可以安全清洁,不会有任何残留物或纸张性质的变化。根据修复过程的相应要求,对所选聚合物的成分、排水量和酸度进行了分析:为了确定水凝胶清洁后纸张化学和物理性质的变化,用SEM、TGA、FTIR和pH计对滤纸样品进行了分析,并与用蒸馏水清洁的滤纸的基准进行了比较。
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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来源期刊
Chemija
Chemija 化学-化学综合
CiteScore
1.30
自引率
16.70%
发文量
14
审稿时长
>12 weeks
期刊介绍: Chemija publishes original research articles and reviews from all branches of modern chemistry, including physical, inorganic, analytical, organic, polymer chemistry, electrochemistry, and multidisciplinary approaches.
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