Academic thesis
| Esther Lazarczyk: | Fixatives in paper restoration for bleeding dyes at the end of the 19th/beginning of the 20th century. A systematic literature review and compilation of products, ingredients, application, and treatment results. | Back |
| Language: | Original - Translation | |
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| Abstract: | This thesis examines fixatives for water-soluble colorants of the late 19th and early 20th century. The aim was to analyze existing fixative systems with regard to their effectiveness, reversibility, material compatibility and long-term stability. More than 50 fixatives were examined by means of a systematic literature search and classified according to their mechanism of action (cationic, anionic, mixed-ionic, film-forming, volatile). It was found that cationic fixatives are particularly effective with anionic dyes. However, often they are associated with conservation risks such as limited reversibility or cellulose degradation. Film-forming and volatile fixatives offer alternative approaches, but their areas of application are limited. Mixed-ionic systems such as Pentafirm C® + Hydrocol APA® or Memocon BCP have proven to be effective, but they also entail conservation risks in terms of reversibility, residue formation and insufficiently researched long-term effects. The paper emphasizes the need for further long-term studies and defines research gaps regarding the ageing resistance, reversibility and material compatibility of modern fixative systems. It is emphasized that a universally applicable solution does not exist. Material- and dye-specific strategies are required. |
| Keywords: | Fixative, bleeding colorants, water-soluble dyes, inks |
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| Contact: |
Esther Lazarczyk estherviktoria.lazarczyk@[Diesen Teil loeschen]gmail.com |
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