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Mussel-inspired polydopamine modified mica with enhanced mechanical strength and thermal performance of poly(lactic acid) coating.
Int J Biol Macromol
July 2024
Key Laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China. Electronic address:
Polylactic acid (PLA), as a green functional polymer, has been useful in various coating applications. However, due to the low mechanical strength and thermal stability of PLA, it needs to be improved in order to expand its application areas. In this work, a series of polylactic acid (PLA) nanocomposite films were prepared through introducing polydopamine-modified mica (PDA@MICA) as a self-assemble nanofiller to enhance its mechanical and thermal properties.
View Article and Find Full Text PDFTemporary Consolidation of Marine Artifact Based on Polyvinyl Alcohol/Tannic Acid Reversible Hydrogel.
Polymers (Basel)
December 2023
National Center for Archaeology, Beijing 100013, China.
Underwater artefacts are vulnerable to damage and loss of archaeological information during the extraction process. To solve this problem, it is necessary to apply temporary consolidation materials to fix the position of marine artifacts. A cross-linked network hydrogel composed of polyvinyl alcohol (PVA), tannic acid (TA), borax, and calcium chloride has been created.
View Article and Find Full Text PDFFunctionalized cellulose nanofibrils based supramolecular system-assisted molding enabled strong, antibacterial chitosan bioplastics.
Carbohydr Polym
September 2023
Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B5A3, Canada. Electronic address:
Bioplastics are considered as potential alternatives to non-renewable and non-biodegradable petroleum-based plastics. Inspired by ionic and amphiphilic properties of mussel protein, we proposed a versatile and facile strategy for the fabrication of a high-performance chitosan (CS) composite film. This technique incorporates a cationic hyperbranched polyamide (QHB) and a supramolecular system based on the lignosulphonate (LS)-functionalized cellulose nanofibrils (CNF) (LS@CNF) hybrids.
View Article and Find Full Text PDFConversion of soybean oil extraction wastes into high-performance wood adhesives based on mussel-inspired cation-π interactions.
Int J Biol Macromol
June 2022
MOE Key Laboratory of Wooden Material Science and Application and Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing 100083, PR China. Electronic address:
As a soybean oil extractive byproduct, high temperature defatted soy meal (HSM) presents great potential as a raw material for vegetable protein adhesives to replace aldehyde-based adhesives in the wood-based panel production. However, the application has been hindered by its poor cold-pressing adhesive performance. Herein, a novel HSM-based adhesive with excellent cold-pressing adhesion performance was developed based on mussel-inspired cation-π interactions.
View Article and Find Full Text PDFPolyphenol-Metal Ion Redox-Induced Gelation System for Constructing Plant Protein Adhesives with Excellent Fluidity and Cold-Pressing Adhesion.
ACS Appl Mater Interfaces
December 2021
MOE Key Laboratory of Bio-based Material Science and Technology, Northeast Forestry University, Harbin 150040, P.R. China.
Soy protein (SP) adhesives can resolve several problems with aldehyde-based adhesives, including formaldehyde release and excessive dependence on petroleum-based materials. Nevertheless, their development is hindered by the lack of balance between fluidity and high cold-pressing adhesive strength. A dynamically cross-linked SP adhesive with excellent fluidity and cold-pressing adhesion was developed in this study based on the polyphenol-metal ion redox-induced gelation system.
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