Urea formaldehyde coated with Silica (Nano) capsules synthesis in ultrasonic field

Silica nanomaterials with meso- and macroporosity are of great interest due to their variety of potential applications. These hybrid nanomaterials, including hollow silica nano and micro-particles have attracted more and more attention with potential applications in medicine, environmental protectio...

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Elmentve itt :
Bibliográfiai részletek
Szerzők: Danielescu Dan Cristian
Putz Ana-Maria
Savii Cecilia
Sfarloaga Paula
Testületi szerző: International Symposium on Analytical and Environmental Problems (17.) (2011) (Szeged)
Dokumentumtípus: Könyv része
Megjelent: SZAB Szeged 2012
Sorozat:Proceedings of the International Symposium on Analytical and Environmental Problems 17
Kulcsszavak:Elektrokémia
Tárgyszavak:
Online Access:http://acta.bibl.u-szeged.hu/76475
Leíró adatok
Tartalmi kivonat:Silica nanomaterials with meso- and macroporosity are of great interest due to their variety of potential applications. These hybrid nanomaterials, including hollow silica nano and micro-particles have attracted more and more attention with potential applications in medicine, environmental protection and analytical chemistry. In this work we present a fast and simple method for of urea-formaldehyde (UF) nanoparticles obtained in basic medium encapsulation by a thin shell coating of silica, thus yielding organic-inorganic hybrid materials. It was employed (U:F): SiC^: mole ratios of (1:1 ):5; (1:1): 10; respectively. The influence of reaction parameters variation as temperature, pH, and time were studied. The morphology and structure of the products were characterized by FTIR spectroscopy, and Scanning Electron Microscopy; SEM. It was put in evidence some of resulted samples characteristics that are correlated to synthesis conditions.
Terjedelem/Fizikai jellemzők:409-412
ISBN:978-963-315-066-5