The Structure–Property Correlations in Dry Gelatin Adhesive Films

Yasmine Mosleh*, Willem de Zeeuw, Marlies Nijemesland, Johan C. Bijleveld, Paul van Duin, Johannes A. Poulis

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

Gelatins are proteinaceous natural materials that are widely used in areas such as conservation and restoration of artifacts as adhesives and consolidants, in pharmaceutics as drug delivery carriers, and in the food industry as structurants. Herein, type A porcine gelatin adhesive films are prepared via solution casting method and their physical and mechanical properties are investigated using X-ray diffraction (XRD), differential scanning calorimetry, contact angle measurement, dynamic mechanical analysis, and uniaxial tensile tests. The results demonstrate a linear correlation between microstructure of gelatin films in terms of their triple-helix content and their macroscopic mechanical properties such as tensile strength and gel (Bloom) strength. Moreover, the findings of this study can help the scientists, in, e.g., art conservation and restoration, to predict the mechanical performance of these adhesives by performing a less material demanding and nondestructive physical measurement such as XRD.

Original languageEnglish
Article number2000716
JournalAdvanced Engineering Materials
Volume23
Issue number1
DOIs
Publication statusPublished - 2020

Keywords

  • adhesives
  • bloom strength
  • gelatins
  • renaturation
  • triple helix

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