Lobster-Inspired Chitosan-Derived Adhesives with a Biomimetic Design
Source abstract
Abstract
Polysaccharide-based adhesives, especially chitosan (CS)-derived adhesives, serve as promising sustainable alternatives to traditional adhesives. However, most demonstrate a poor adhesive strength. Inspired by the inherent layered structure of marine arthropods (lobsters), a core–shell structure (SiO 2 –NH 2 @OPG) with amine-functionalized silica (SiO 2 –NH 2 ) as the core and oxidized pyrogallol (OPG) as the shell is prepared in this study. The compound is blended with CS to produce a structural biomimetic wood adhesive (SiO 2 –NH 2 @OPG/CS) with excellent performance. In addition to thermocompressive curing, this adhesive exhibits a water-evaporation-induced curing behavior at room temperature. With reference to the design mechanism of the lobster cuticle, this microphase-separated structure consists of clustered nanofibers with varying amounts of SiO 2 –NH 2 @OPG particles between the fibers. This intriguing microphase structure and its mechanical effects could offer a powerful solution for improving the functional modification of wood composites.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Surface Modification and Superhydrophobicity · Polymer Surface Interaction Studies · Marine Biology and Environmental Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains, Ministry of Education, Southwest Forestry University, Kunming 650224, China
Key Laboratory of Bio-based Material Science & Technology, Northeast Forestry University, Ministry of Education, Harbin 150040, China
Funding
National Key Research and Development Program of China · Applied Basic Research Foundation of Yunnan Province · Ten Thousand Talent Plans for Young Top-notch Talents of Yunnan Province · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Yunnan Provincial Academician Workstation · Yunnan Province
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