One-step Fabrication of a Tannic Acid-Transition Metal-Polymer Gel as a Pressure-Sensitive Adhesive

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In this study, synthesis of a hydrogel consisted of a coordination bond network between small organic molecules and transition metals had been carried out. By adding a tackifying material to the gel, the potential of the gel to be used as an adhesive material had been also confirmed. Synthesis of the adhesive had been done with simple mixing of 3 components: tannic acid, transition metal, and polymer. The tannic acid molecule possesses multiple hydroxyl groups that can form coordination bonds with the transition metals and hydrogen bonds with the hydrophilic polymers. Due to the morphology of the metal-organic complex and polymer dispersed in water, the fabricated material exhibited high adhesiveness and cohesiveness. Optimizing the rheological property had been conducted for use in adhesive by the synthesis with varying the transition metal (Fe3+, Ti4+), polymer, and treatment conditions. Rheological measurement results demonstrate the promising potential of the material as a bio-compatible and versatile pressure-sensitive adhesive with both high adhesiveness and cohesiveness.
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Issue Date
2020-04
Language
English
Article Type
Article
Citation

KOREAN CHEMICAL ENGINEERING RESEARCH, v.58, no.2, pp.176 - 183

ISSN
0304-128X
DOI
10.9713/kcer.2020.58.2.176
URI
http://hdl.handle.net/10203/274295
Appears in Collection
CBE-Journal Papers(저널논문)
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