A Biomimetic Water-Resistant Adhesive Based on ε-Polylysine/Tannic Acid Complexation
Source abstract
Abstract
This study investigates the potential of combining ε-polylysine and tannic acid to develop bio-based adhesives with enhanced water resistance. The two biomolecules exhibited complexation/precipitation in aqueous solutions in the pH range of 5–9. Water-based adhesives were prepared using complexes formed at pH 5, 7, and 9, followed by evaluation of their adhesion properties in both dry and wet lap shear tests. The complexes prepared at higher pH values showed a larger adhesion strength and improved water resistance. To further enhance the adhesive properties, an epoxide-based reagent was utilized to double-cross-link the complexes, resulting in a lap shear strength of ∼2 MPa after being submerged in water for 7 days.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: biodegradable polymer synthesis and properties · Polymer Surface Interaction Studies · Antimicrobial agents and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
Funding
Innovationsfonden · China Scholarship Council
References (44)
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