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

Danielescu Dan Cristian and Putz Ana-Maria and Savii Cecilia and Sfarloaga Paula: Urea formaldehyde coated with Silica (Nano) capsules synthesis in ultrasonic field.

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Abstract

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.

Item Type: Conference or Workshop Item
Journal or Publication Title: Proceedings of the International Symposium on Analytical and Environmental Problems
Date: 2012
Volume: 17
ISBN: 978-963-315-066-5
Page Range: pp. 409-412
Language: English
Publisher: SZAB
Place of Publication: Szeged
Event Title: International Symposium on Analytical and Environmental Problems (17.) (2011) (Szeged)
Event Type: Conference
Event Location: Szeged
Event Dates: 2011. szeptember 19.
Related URLs: http://acta.bibl.u-szeged.hu/76381/
Uncontrolled Keywords: Elektrokémia
Additional Information: Bibliogr.: 412. p. ; ill. ; összefoglalás angol nyelven
Subjects: 01. Natural sciences
01. Natural sciences > 01.04. Chemical sciences
Date Deposited: 2022. Aug. 11. 08:36
Last Modified: 2022. Aug. 22. 10:23
URI: http://acta.bibl.u-szeged.hu/id/eprint/76475

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