Glycidoxypropylsilane-functionalized Magnetite as Precursor for Polymer-covered Core-shell Magnetic Particles-Reference-Cited by-同舟云学术

Glycidoxypropylsilane-functionalized Magnetite as Precursor for Polymer-covered Core-shell Magnetic Particles

Published:2009-09-16 Issue:5 Volume:21 Page:548-561
ISSN:0954-0083
Container-title:High Performance Polymers
language:en
Short-container-title:High Performance Polymers

Author:

Durdureanu-Angheluta Anamaria¹,Stoica Iuliana²,Pinteala Mariana³,Pricop Lucia²,Doroftei Florica²,Harabagiu Valeria²,Simionescu Bogdan C.⁴,Chiriac Horia⁵

Affiliation:

1. 'Petru Poni' Institute of Macromolecular Chemistry, 700487 Iasi, Romania, Department of Natural and Synthetic Polymers, ‘Gh. Asachi’ Technical University, 700050 Iasi, Romania.

2. 'Petru Poni' Institute of Macromolecular Chemistry, 700487 Iasi, Romania

3. 'Petru Poni' Institute of Macromolecular Chemistry, 700487 Iasi, Romania,

4. 'Petru Poni' Institute of Macromolecular Chemistry, 700487 Iasi, Romania, Department of Natural and Synthetic Polymers, ‘Gh. Asachi’ Technical University, 700050 Iasi, Romania., Department of Natural and Synthetic Polymers, ‘Gh. Asachi’ Technical University, 700050 Iasi, Romania.

5. National Institute of Research and Development in Technical Physics, 700050 Iasi, Romania

Abstract

Surface-functionalized core-shell magnetic particles were obtained by reacting the hydroxyl groups on the surface of pre-prepared magnetite particles with 3-glycidoxypropyltrimethoxysilane. Fourier transform infrared spectra indicated that epoxy silane molecules were chemically bound onto the surface of magnetite particles through Fe—O—Si linkages. As proved by atomic force microscopy and environmental scanning microscopy combined with energy dispersive X-ray spectroscopy, particles with average core diameter and shell width of about 700 and 70 nm, respectively, were obtained. The covered magnetite particles showed a lower saturation magnetization (46 emu g 1) as compared to the uncoated magnetite (64 emu g 1).

Publisher

SAGE Publications

Subject

Materials Chemistry,Organic Chemistry,Polymers and Plastics

Link

http://journals.sagepub.com/doi/pdf/10.1177/0954008309339234

Reference15 articles.

1. Static and dynamic magnetic properties of spherical magnetite nanoparticles

2. Detection of tumor cells in blood using CD45 magnetic cell separation followed by nested mutant allele-specific amplification ofp53 and K-ras genes in patients with colorectal cancer

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