Results 61 to 70 of about 502,848 (209)
Scientific ReportsThe development of sustainable and non-toxic ultraviolet (UV) shielding materials is essential to address the limitations of conventional inorganic agents, which often suffer from biotoxicity and limited spectral coverage.
Altaf H. Basta, Vivian F. Lotfy
doaj +1 more source
Influence of hydrogen bonds on glass transition and dielectric relaxations of cellulose [PDF]
, 2011 The molecular dynamics in hydrated cellulose has been investigated by a combination of thermal analyses and dielectric spectroscopy. Differential scanning calorimetry shows the dependence upon hydration of the glass transition temperature Tg.
Colette Lacabanne +7 more
core +1 more source
Scientific Reports, 2022 In this study, a simple method based on non-ionic surfactant polysorbates-80 was used to create mesoporous γ-Al2O3NPs. The properties of the prepared mesoporous alumina nanoparticles (Al2O3NPs) were verified using ATR-FTIR, XRD, SEM, TEM, DLS, and BET ...
Gamal K. Hassan +3 more
doaj +1 more source
The effect of type and mixture of resin on the properties of impregnated paper [PDF]
Iranian Journal of Wood and Paper Industries, 2017 This study was carried out in order to investigate the effects of different types of resins and also their mixtures on the impregnated paper properties. In this regard, pure urea resin (100%), mixture of melamine and urea resins with various combinations
hossein Kermanian +3 more
doaj
Effect of cationic poly acrylamide - nano bentonite system on retention, drainage and properties of recycled paper from OCC [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2014 Bio and synthetic polymers; micro and recently nano particles have been applied in wet end section of papermaking industry. Very special attention is focused toward their advantages for controlling the process variables and improving the product quality ...
Hossein Jalali trshizy +3 more
doaj +1 more source
Preparation and liquid crystal phase properties of discotic cellulose nanoparticles
, 2019 Understanding the behavior of fluids with inhomogeneous structural properties is critical for many industrial and biological materials. Sulfuric acid hydrolysis of cotton with ultrasonic treatment and low-speed centrifugation during purification yields ...
Evans, Julian, +4 more
core +1 more source
Scientific ReportsThis work deals with promoting the efficiency of removing the cationic and ionic dyes by new aerogel–carbon nanostructures. For cleaner production the rice straw-pulping black liquors, which regards serious environmental risk during routine disposing, is
Vivian F. Lotfy, Altaf H. Basta
doaj +1 more source
Natural Product Communications, 2020 In this study, antiphytopathogenic fungi activities of the leaf and cones essential oils and its constituents from Cunninghamia lanceolata were evaluated in vitro against 6 plant pathogenic fungi.
Kuang-Ping Hsu +2 more
doaj +1 more source
Novel Cellulose Solvent System and Dry Jet Wet Spinning of Cellulose/ED/KSCN Solutions
, 2008 The ethylenediamine/potassium thiocyanate salt (ED⁄KSCN) system was found to be a novel solvent system for the dissolution of cellulose. The solubility of KSCN in ED, the dissolution of cellulose, proper coagulants and coagulation rate of cellulose⁄ED ...
Lee, Hyun Jik
core
Composition and Antimicrobial Activity of the Leaf Essential oil of from Taiwan
Natural Product Communications, 2009 The hydrodistillated leaf essential oil of Litsea kostermansii was analyzed to determine its composition and yield. Seventy-three compounds were identified, the main components being β-eudesmol (22.5%), γ-eudesmol (18.6%), δ-selinene (8.5%), α-eudesmol ...
Chen-Lung Ho +4 more
doaj +1 more source