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Synthesis and characterization of novel multifunctional polymer grafted hollow silica spheres

Published online by Cambridge University Press:  10 August 2015

Ayşe Aslan ,
Ali Murat Soydan  and
Ayhan Bozkurt
Ayşe Aslan*
Affiliation:
Gebze Technical University, Department of Bioengineering, Nanotechnology Center, Cayirova 41400 Gebze-Kocaeli, Turkey
Ali Murat Soydan
Affiliation:
Gebze Technical University, Material Science and Engineering, Nanotechnology Center, Cayirova 41400 Gebze-Kocaeli, Turkey
Ayhan Bozkurt
Affiliation:
Department of Chemistry, Fatih University, 34500 Büyükçekmece, İstanbul, Turkey
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Multifunctionalized nanoparticles have a great attention owing to their unique advantages as ideal tools for gene/drug delivery, bioimaging, labeling, or intracellular tracking in biomedical applications. In the present work, azole functional Poly(glycidyl methacrylate) (PGMA) grafted hollow silica sphere (HSS) nanoparticles synthesized and characterized as biomaterials. For the preparation of HSS particles, a two-step method based on the sol–gel process was used in this study. HSS grafted with PGMA by free radical polymerization of (glycidyl methacrylate) (GMA) and HSPGMA (PGMA grafted HSS) modified with 5-aminotetrazole (ATet), 3-amino-1,2,4-triazole (ATri), and 1H-1,2,4-triazole (Tri) to obtain 1,2,4-triazole functional PGMA grafted HSS (HSPGMA-Tri), 5-aminotetrazole functional PGMA grafted HSS (HSPGMA-Tet) and 5-Amino-Triazole functional PGMA grafted HSS (HSPGMA-ATri) molecules via ring opening of the epoxide ring. Azole functional PGMA grafted HSS composites were doped with phosphoric acid. Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM) analyses were confirmed the grafting and modification of HSS. TGA and DSC were used to examine the thermal stability and homogeneity of the materials.

Keywords

poly (glycidyl methacrylate)hollow silica spheresazole functional particlesanhydrous proton conductivity
Type
Articles
Information
Journal of Materials Research , Volume 30 , Issue 16 , 28 August 2015 , pp. 2408 - 2416
Copyright
Copyright © Materials Research Society 2015 

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