Results 1 to 10 of about 9,594 (205)

Ambient-Dried Silica Xerogels with Enhanced Strength and Thermal Insulation via Calcium Ion-Glycerol Synergistic Crosslinking [PDF]

open access: yesGels
Despite their high porosity and wide applicability, silica xerogels face mechanical strength limitations for high-performance applications. This study presents an ambient-pressure sol-gel strategy utilizing calcium-glycerol synergy to produce robust ...
Xiaoyu Xie   +8 more
doaj   +2 more sources

PEGylated chitosan xerogels for localized periodontal therapy: design, characterization, and drug release [PDF]

open access: yesScientific Reports
It is essential to adopt effective therapy strategies for periodontal diseases to achieve optimal results while avoiding adverse effects on the system. This study has developed various PEGylated chitosan-based biodegradable xerogels for localized release
Farjad Zafar   +7 more
doaj   +2 more sources

Adsorption of Acetic Acid Vapors by Inorganic–Organic Nano Materials: Implications for the Inhibition of the “Vinegar Syndrome” in 20th Century Motion Picture Films [PDF]

open access: yesMolecules
Cellulose acetate (CA) motion picture films are subjected to degradation, especially due to the “vinegar syndrome”, a de-acetylation process catalyzed by high temperature, humidity, and acidity.
Francesca Porpora   +6 more
doaj   +2 more sources

Investigating the Role of the Catalyst within Resorcinol–Formaldehyde Gel Synthesis

open access: yesGels, 2021
Resorcinol–formaldehyde (RF) gels are porous materials synthesized via a sol–gel reaction and subsequently dried, producing structures with high surface areas and low densities—properties that are highly attractive for use in various applications. The RF
Elisha Martin   +2 more
doaj   +1 more source

Tunability of Hybrid Silica Xerogels: Surface Chemistry and Porous Texture Based on the Aromatic Precursor

open access: yesGels, 2023
The interest in new materials with specific properties has increased because they are essential for the environmental and technological needs of our society.
Beatriz Rosales-Reina   +7 more
doaj   +1 more source

Sepiolite-Hydrogels: Synthesis by Ultrasound Irradiation and Their Use for the Preparation of Functional Clay-Based Nanoarchitectured Materials

open access: yesFrontiers in Chemistry, 2021
Sepiolite and palygorskite fibrous clay minerals are 1D silicates featuring unique textural and structural characteristics useful in diverse applications, and in particular as rheological additives.
Eduardo Ruiz-Hitzky   +12 more
doaj   +1 more source

Novel Silica Hybrid Xerogels Prepared by Co-Condensation of TEOS and ClPhTEOS: A Chemical and Morphological Study

open access: yesGels, 2022
The search for new materials with improved properties for advanced applications is, nowadays, one of the most relevant and booming fields for scientists due to the environmental and technological needs of our society. Within this demand, hybrid siliceous
Guillermo Cruz-Quesada   +3 more
doaj   +1 more source

Fabrication, properties and applications of xerogels in food processing

open access: yesJournal of Agriculture and Food Research, 2023
Food gels are one of the fascinating areas of research in the field of food science due to their wide range of properties and applications. Most of the biopolymer-based gels are biocompatible, environment-friendly, and safe to use in food and ...
Gopinath Mummaleti, Fanbin Kong
doaj   +1 more source

Polyurethane /Ionic Silica Xerogel Composites for CO2 Capture [PDF]

open access: yesMaterials Research, 2019
Capturing carbon dioxide (CO2) from exhaust gases is an important strategy to prevent climate change. There is a great interest in developing novel CO2 sorbents. Thus, a series of polyurethane (PU) / silica xerogels functionalized with RTILs (bmim Cl and
Leonardo Moreira dos Santos   +6 more
doaj   +1 more source

Data for the synthesis, characterization, and use of xerogels as adsorbents for the removal of fluoride and bromide in aqueous phase

open access: yesData in Brief, 2022
Groundwater with high fluoride concentrations has been recognized as one of the serious concerns worldwide. Besides, the fluoride released into the groundwater by slow dissolution of fluoride-containing rocks, various industries also contribute to ...
Nahum Andres Medellin-Castillo   +7 more
doaj   +1 more source

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