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Creating Hydrophobic Foils From Biopolymer Blends Using Mechanical Microimprinting

  • The surface topography of biodegradable polymer foils is modified by mechanical imprinting on a submillimeter length scale. The created patterns strongly influence the wetting behavior and allow the preparation of hydrophobic surfaces with controlled solid-liquid interaction. A detailed analysis of anisotropic surface patterns reveals that the observed effect arises from a combination of topographical and compositional changes that are introduced to the surface. As a main result it is found that an individual combination of material and structure is required for the production of water-repellent biopolymer foils that are highly attractive for packaging applications.

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Author:Hang LiuORCiD, Michaela Zagler, Michael NaseORCiD, Katharina Weber, Joachim AlbrechtORCiD
Source Title (English):ChemPhysChem
Document Type:Article
Year of Completion:2023
Release Date:2024/01/26
Article Number:e202300301
Number of Pages:9
Faculty:Maschinenbau und Werkstofftechnik
Open Access:Open Access
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International