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High-performance bio-glue from the berries of a parasitic plant.
Adv. Mater., 11:e74322 (2026)
Most commercial adhesives are still petroleum-based. Despite extensive efforts to develop sustainable alternatives, bio-based adhesives often require chemical modification of their components, or they fail to achieve rapid, high-performance bonding. Here, we report a fully bio-based adhesive derived primarily from a (poly)saccharide extract obtained from the berries of the hemi-parasitic plant mistletoe (Viscum album). This (poly)saccharide extract is supplemented with tannic and malic acid without any further chemical functionalization. Through a combination of heat-treatment and rapid curing, the developed adhesive exhibits remarkable bonding strength across diverse substrates-including various types of wood and metal, glass, and polytetrafluoroethylene (Teflon)-and under various conditions. Furthermore, if samples are separated by force, the remaining adhesive layers can be reactivated via heat-treatment to allow for efficient re-bonding of the adherends. The fully bio-based formulation not only enables multiple repair cycles but also valorizes a parasitic plant, thereby serving as an eco-friendly, high-performance alternative to petroleum-derived adhesives.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Des ; Mistletoe ; Polysaccharide ; Sticky ; Sustainable ; Tannic Acid ; Wood Adhesive; Adhesives; Acid
ISSN (print) / ISBN
0935-9648
e-ISSN
1521-4095
Journal
Advanced materials
Quellenangaben
Pages: 11,
Article Number: e74322
Publisher
Wiley
Publishing Place
Weinheim
Reviewing status
Peer reviewed
Institute(s)
Institute of Structural Biology (STB)
Grants
German Research Foundation