نتایج جستجو برای: cellulose nanocrystal cnc
تعداد نتایج: 35934 فیلتر نتایج به سال:
Composite filaments based on acrylonitrile butadiene styrene (ABS) consisting of cellulose nanocrystal (CNC) were prepared by melt intercalation using a single screw extruder. The effect CNC loading levels (0-4 wt%) the tensile properties and water absorption behavior was investigated in this work. Results indicated that composite exhibited rougher surfaces non-uniform diameters than neat ABS f...
Cellulose nanocrystals (CNCs) were first isolated from microcrystalline cellulose (MCC) by p-toluene sulfonic acid (p-TsOH) hydrolysis. II nanocrystal (CNC II) and III III) then formed swelling the obtained I I) in concentrated sodium hydroxide solutions ethylenediamine (EDA) respectively. The properties of CNC I, subjected to comprehensive characterization Fourier-transform infrared spectrosco...
Photopolymer composites filled with cellulose nanocrystal (CNC) and/or inorganic nanofillers were fabricated by using digital light processing (DLP) 3D printing. To investigate the effects of different CNC lyophilization concentrations and behaviors particles in photopolymer composites, morphological mechanical properties analyzed. loading levels affected composites. Better dispersion was seen ...
The desire to develop high-value end-products derived from renewable resources is continuously growing as a result of environmental awareness and the depletion of fossil resources. In this context, nanocelluloses have gained great interest during recent decades owing to their renewability, abundancy and remarkable physical and mechanical properties. The aim of the present work was to investigat...
In this study, polyploid Miscanthus lutarioriparius (PML) was introduced as a new sustainable and scalable source for cellulose nanocrystal (CNC). The agronomic traits of PML were significantly different from × giganteus (MG), but their chemical components physical features similar. Notably, remarkable co-extraction hemicellulose, lignin ash non-crystalline observed during crude isolation than ...
A series of dynamic small-amplitude oscillatory shear experiments for in situ polymerization process of polyacrylamide–cellulose nanocrystal (PAM–CNC) nanocomposite hydrogels were performed to investigate the relationship between rheological properties and synthesis parameters including chemical cross-linker concentration, polymerization temperature, initiator concentration, and CNC aspect rati...
It is a challenge for a superhydrophobic coating to overcome the poor robustness and the rough surface structure that is usually built using inorganic particles that are difficult to degrade. In this study, a robust superhydrophobic coating is facilely prepared by using commercial biodegradable lignin-coated cellulose nanocrystal (L-CNC) particles after hydrophobic modification to build rough s...
In nanoscience, nanotechnology is applied to various technologies, and research actively being conducted. As the application of multi-walled carbon nanotubes (MWCNTs) in fields increases, efforts have been made develop dispersion functionalization technologies. order effectively use MWCNT nanofluids, it most important solve problem dispersion. this study, MWCNTs were improved dispersibility fun...
Polylactic acid (PLA)/cellulose nanocrystal (CNC) composite foams have attracted much attention due to their biodegradability and potential replace petroleum-based foams. However, the dispersion of (unmodified) CNCs in PLA remains challenging. Here, we used Pickering emulsion templating method unmodified stabilize microspheres prepare a concentrated masterbatch. This masterbatch was conventiona...
A key challenge in the development of materials for applications fields opto- and nanoelectronics, catalysis, separation, energy conversion is ability to fabricate 3D inorganic semiconductive nanostructures a precisely-controlled cost-effective manner. This work describes fabrication nanostructured TiO2 monoliths by coating ultraporous cross-linked cellulose nanocrystal (CNC) aerogel templates ...
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