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“Solid-Liquid” Vitrimers Based on Dynamic Boronic Ester Networks
Solid-liquid Dynamic covalent bond Boronic ester bond Strain-rate dependent High stretchability
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2023/12/8
The “solid-liquid” behavior of vitrimers have not been systematically investigated. Herein, a series of “solid-liquid” vitrimers bearing varying contents of dynamic boronic ester bonds were synthesize...
Bio-based vitrimer-like polyurethane based on dynamic imine bond with high-strength, reprocessability, rapid-degradability and antibacterial ability
Bio-based polyurethane Vitrimer-like Imine bond Rapidly-degradable Antibacterial property
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2023/12/8
Synthesis of vitrimer with dynamic?covalent bond?is a surprising solution to overcome the inherent limitations of traditional?thermosets. A bio-based vitrimer-like?polyurethane?formed by?castor oil,?v...
Rapid self-healing and self-adhesive chitosan-based hydrogels by host-guest interaction and dynamic covalent bond as flexible sensor
Conductive hydrogel Chitosan Poly(vinyl alcohol) Host-guest interactions Self-healing Self-adhesiveness Flexible strain sensor
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2023/12/8
A sensor used to monitor tissue deformation requires good flexibility, stretchability, self-adhesion, cyto-compatibility, and?antibacterial property. Here, we prepared hydrogel sensor based on?O-carbo...
High-strength and self-healable poly (acrylic acid) /chitosan hydrogel with organic-inorganic hydrogen bonding networks
Self-healing hydrogel Hydrogen bonding Organic-inorganic
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2023/12/8
Bentonite?is a natural clay mineral with high cationic exchange properties and plays an important role in organic-inorganic composite hydrogels. We report an organic-inorganic cross-linked self-healin...
Cavitation dynamics in a vitrimer
Vitrimer Cavitation dynamics Strain stifening Viscoelasticity
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2023/12/8
Vitrimer is a polymer network with dynamic covalent bonds, which can be dynamically broken and reformed. Thanks to the dynamic covalent bonds, vitrimer behaves like an elastomer at high deformation ra...
High-efficient esterification of rosin and glycerol catalyzed by novel rare earth Lewis acidic ionic liquid: Reaction development and mechanistic study
Rosin glyceride Rare earth Lewis acidic ionic liquid Esterification DFT Catalysis
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2023/12/7
Background: As one of the most important modified products of rosin, rosin glyceride was widely used in many aspects. However, the preparation of rosin glyceride is always unfriendly due to the use of...
Advanced nanocellulose-based gas barrier materials: Present status and prospects
Nanocellulose Gas barrier Layer-by-layer materials Composites Biomaterials
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2023/12/7
Nanocellulose based gas barrier materials have become an increasingly important subject, since it is a widespread environmentally friendly natural polymer. Previous studies have shown that super-high ...
Nanocellulose-based composites for packaging applications
Cellulose Bioresources Nanocellulose Cellulose nanocrystals Cellulose nanofibrils Biodegradable packaging
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2023/12/7
Cellulose is one of the most interesting bioresources owing to its abundance, renewability, and?biodegradability.?Nanocellulose?(NC), which can be isolated from natural cellulosic sources or synthesiz...
Bioinspired organohydrogels with heterostructures: Fabrications, performances, and applications
Organohydrogels Biological soft tissues Heterostructures Complementary principle Environmental adaptability
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2023/12/7
Since emerging in 1960, the artificial hydrogels have garnered enormous attentions in scientific community due to their high level of similarities to biological soft tissues in both structures and pro...
Dynamic nanocellulose hydrogels: Recent advancements and future outlook
Dynamic hydrogels Dynamic linkages Nanocellulose Self-healing Self-recovery Mechanical strength
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2023/12/7
Nanocellulose?is of great interest in material science nowadays mainly because of its hydrophilic, renewable, biodegradable, and biocompatible nature, as well as its excellent mechanical strength and ...
Multifunctional tannin extract-based epoxy derived from waste bark as a highly toughening and strengthening agent for epoxy resin
Waste bark Tannin extract Liquefaction Bio-based epoxy Toughness
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2023/12/6
To reduce crude oil consumption and the corresponding environmental impact, the use of sustainable resources has recently attracted much attention. Herein, a low-viscosity and efficient tannin-based e...
Dual-functional antimicrobial coating based on the combination of zwitterionic and quaternary ammonium cation from rosin acid
Antimicrobial Antibiofilm Coating Dopamine Zwitterionic Maleopimaric acid quaternary ammonium cation
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2023/12/6
Treatment of implant-associated infection is becoming more challenging, especially when?bacterial biofilms?form on the surface of implants. To address the challenge of biofilm infection, developing du...
Novel high-performance bamboo modification through nature rosin-based benzoxazine
Benzoxazine Biobased resin Bamboo Anti-fungal Mechanical properties
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2023/12/6
In this study, we synthesized three new, entirely bio-based benzoxazines using rosin-based dehydroabietylamine, luteolin, quercetin, hydroquinone, and paraformaldehyde. The chemical structures of DL (...
The effect of crosslinking on ion transport in nanocellulose-based membranes
Nanocellulose Membrane Ion conductivity Ion selectivity Crosslinking
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2023/12/6
Ion selective membranes are at the heart of energy conversion and harvesting, water treatment, and biotechnologies. The currently available membranes are mostly based on expensive and non-biodegradabl...
Multifunctional novel rosin derivatives based on dehydroabietylamine with metal ion sensing and DNA/BSA binding activities
Rosin derivative DNA binding BSA interaction Metal ion recognition
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2023/12/6
Three novel rosin derivatives based on dehydroabietylamine which is an important modified product of rosin,?pyridine?and substituted phenol were synthesized and fully characterized. The DNA binding st...