The rheological properties of aqueous suspensions based on three different nanocelluloses were compared. One system was obtained via acid hydrolysis (thus yielding crystalline nanocellulose, CNC) and the other two from mechanical shearing, but origins subjected to pretreatments. Of latter two, one considered be a rather typical cellulose nanofibril (CNF) suspension whereas kind intermediate between CNF CNC. All nanocellulose elements differed in dimensions as evident transmission electron...

In current times, CO2 capture and lightweight energy storage are receiving significant attention will be vital functions in next-generation materials. Porous carbonaceous materials have great potential these areas, whereas most of the developed carbon still limitations, such as nonrenewable resources, complex costly processing, or absence tailorable structure. this study, a new strategy is for using currently underutilized lignin cellulose nanofibers, which can extracted from renewable...

Abstract CO 2 adsorption is a promising strategy to reduce costs and energy use for separation. In this study, we developed adsorbents based on lightweight flexible cellulose nanofiber aerogels with monolithic structures prepared via freeze-casting, acetate or acetylated nanocrystals (a-CNCs) were introduced into the as functional materials using an impregnation method provide affinity. The microstructure of adsorbent was examined scanning electron microscopy, compression tests performed...

Various carbon materials have been developed for energy storage applications to address the increasing demand in world. However, environmentally friendly, renewable, and nontoxic bio-based resources not extensively investigated towards high-performance materials. Here, we report an anisotropic, hetero-porous, high-surface area aerogel prepared from renewable achieving excellent electrical double-layer capacitance. Two different green, abundant, carbon-rich lignins which can be extracted...

An <italic>in situ</italic> polymerization method is developed and utilized to achieve superior dispersion of cellulose nanocrystals in hydrophobic polymer matrices, resulting highly reinforced bio-nanocomposites with a very low fraction nanocrystals.

Energy storage devices such as supercapacitors of high performance are in great need due to the continuous expansion digitalization and related for mobile electronics, autonomous sensors, vehicles different kinds. However, nonrenewable resources often complex preparation processes associated with electrode materials structures pose limited scale-up production difficulties versatile utilization devices. Here, free-standing flexible carbon nanofiber networks derived from renewable abundant...

Hierarchically porous carbon aerogels (CAs) were synthesized by following a green, facile preparation route involving ice-templating and lyophilization followed carbonization. For the first time, we report CAs prepared with cooling rate of 7.5 K/min, demonstrating very high specific surface area (SSA) 1260 m2 g–1 without any physical or chemical activation steps, electrode using latter aerogel showed superior electrochemical performance capacitance 410 F at 2 m V s–1 cyclic stability 94%...

Multifunctional lightweight, flexible, yet strong polymer-based nanocomposites are highly desired for specific applications. However, the control of orientation and dispersion reinforcing nanoparticles optimization interfacial interaction still pose substantial challenges in nanocellulose-reinforced polymer composites. In this study, poly(ethylene glycol) (PEG)-grafted cellulose nanofibers have demonstrated much better a poly(lactic acid) (PLA) matrix as compared to unmodified nanocellulose....

Rare earth metals (REEs) are crucial for modern industries and technological development. Their extraction from non-renewable primary sources has almost reached its threshold due to excessive global demand. An effectual approach REEs recovery is recycling secondary governed by separation materials. In this work, a novel glutenin-based Na-bentonite ([email protected]_Bex:y) composite was produced via the in-situ hydrothermal route followed subsequent freeze-drying process. Additionally,...

This study investigates the use of porous structured carbon felt (CF) as a substrate for preparation lead dioxide (CF/PbO2) anode electrochemical oxidation Rhodamine B (RhB). Compared to traditional titanium-based (Ti/PbO2) and graphite sheet-based (GS/PbO2) anodes, CF/PbO2 exhibited superior electrocatalytic activity, achieving RhB degradation efficiency exceeding 99%. After 10 cycles, activity remained robust, with over 97%. Fluorescence spectroscopy, quenching experiments, tests indicate...

An unusual, pH-tuneable plasticizing effect of borate additives on the structure and properties partially hydrolysed poly(vinyl acetate) is firstly reported, in addition to its general crosslinking effect.

The crystalline phase of poly(lactic acid) (PLA) has crucial effects on its own properties and nanocomposites. In this study, the isothermal crystallization PLA, triethyl citrate-plasticized PLA (PLA–TEC), nanocomposite with chitin nanocrystals (PLA–TEC–ChNC) at different temperatures times was investigated, resulting materials were characterized. Both PLA–TEC showed extremely low crystallinity 135, 130, 125 °C 5 or 15 min. contrast, addition 1 wt % ChNCs significantly improved under same...

Finding renewable alternatives to the commonly used reinforcement materials in composites is attracting a significant amount of research interest. Nanocellulose promising candidate owing its wide availability and favorable properties such as high Young’s modulus. This study addressed major problems inherent cellulose nanocomposites, namely, controlling fiber structure obtaining sufficient interfacial adhesion between nanocellulose non-hydrophilic matrix. Unidirectionally aligned nanofiber...

Polylactic acid (PLA) is a biopolymer that has potential for use in food packaging applications; however, its low crystallinity and poor gas barrier properties limit use. This study aimed to increase the understanding of structure property relation blends their nanocomposites. The final materials effect on was studied. Two strategies were performed: first, different concentrations poly(hydroxybutyrate) (PHB; 10, 25, 50 wt %) compounded with PLA facilitate PHB spherulite development, then,...

Developing materials from renewable resources to produce nanocomposites with satisfactory mechanical properties is a vital progress in today's society, and meanwhile, the widespread use of these needs be enabled through large-scale manufacturing. Herein, ultra-strong an aligned structure that consisted bio-based, biodegradable poly(lactic acid) (PLA) cellulose nanocrystals are demonstrated, can manufactured at large scale surface modification nanocrystals, liquid-assisted extrusion,...

The use of bio-based residues is one the key indicators towards sustainable development goals. In this work, bacterial cellulose, a residue from fermentation kombucha tea, was tested as reinforcing nanofiber network in an emulsion-polymerized poly(methyl methacrylate) (PMMA) matrix. facilitating formation nanocomposites with well-dispersed nanofibers without using organic solvents or expensive methodologies. Moreover, cellulose structure can serve template for emulsion polymerization PMMA....

The aim of this study was to investigate the effect recycling on polypropylene (PP) and wood-fiber thermoplastic composites (WPCs) using a co-rotating twin-screw extruder. After nine extrusion passes microscopy studies confirmed that fiber length decreased with increased number but processing time also resulted in excellent dispersion interfacial adhesion wood fibers PP matrix. Thermal, rheological, mechanical properties were studied. repeated had minimal thermal behavior viscosity an...

Carbon aerogels prepared from low-cost renewable resources are promising electrode materials for future energy storage applications. However, their electrochemical properties must be significantly improved to match the commercially used high-carbon petroleum products. This paper presents a facile method green synthesis of carbon (CAs) lignocellulosic and graphene dots (GDs) available biochar. The produced exhibited hierarchical porous structure, which facilitates by forming an electrical...