Preparation of Carboxyl Group Functionalized Magnetite Nanoparticles with High Magnetization

Nguyen Quang Hung; Nguyen Viet Cuong; Tran Van Thang; Hoang Thi Kieu Nguyen

doi:10.14233/ajchem.2014.15947

Issue

Vol. 26 No. 13 (2014): Vol 26 Issue 13

Issue Published : June 23, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Preparation of Carboxyl Group Functionalized Magnetite Nanoparticles with High Magnetization

https://doi.org/10.14233/ajchem.2014.15947

Nguyen Quang Hung

School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

Nguyen Viet Cuong

School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

Tran Van Thang

School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

Hoang Thi Kieu Nguyen

School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Vietnam

Corresponding Author(s) : Hoang Thi Kieu Nguyen

nguyen.hoangthikieu@hust.edu.vn; kieunguyenfct@gmail.com

Asian Journal of Chemistry, Vol. 26 No. 13 (2014): Vol 26 Issue 13
Article Published : June 26, 2014

Abstract

A new route of the emulsifier-free emulsion polymerization was performed to prepare surface-functionalized magnetic nanoparticles. The Fourier transform infrared spectroscopy (FTIR) and transmission electron microscopy images confirm the formation of poly methacrylic acid (PMAA) layers and the existence of free carboxylicacid groups on the surface of magnetite particles. The poly methacrylic acid layer thickness which is estimated by thermal gravity analysis (TGA) increases from 6.5 to 10.6 nm with increasing mass ratio of monomer to magnetite from 3/1 to 16/1. The increase in thickness of the polymer cover results in the decrease in magnetization saturation of polymeric coated magnetic particles. However this reduction of about 20 emu g^-1 is impressive lower compared to that in the other studies with the presence of surfactants or emulsifiers.

Keywords

Magnetite Polymeric coated nanoparticles Magnetic materials

Quang Hung, N., Viet Cuong, N., Van Thang, T., & Thi Kieu Nguyen, H. (2014). Preparation of Carboxyl Group Functionalized Magnetite Nanoparticles with High Magnetization. Asian Journal of Chemistry, 26(13), 3815–3819. https://doi.org/10.14233/ajchem.2014.15947

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References

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References

E.P. Ivanova, M. Papiernik, A. Oliveira, I. Sbarski, T. Smekal, P. Grodzinski and D.V. Nicolau, Smart Mater. Struct., 11, 783 (2002); doi:10.1088/0964-1726/11/5/325.

S. Yu and G.M. Chow, J. Mater. Chem., 14, 2781 (2004); doi:10.1039/b404964k.

P. Businova, J. Chomoucka, J. Prasek, R. Hrdy, J. Drbohlavova, P. Sedlacek and J. Hubalek, In Proceedings of Nano Conference, Czech Republic (2011).

L. Charoenmark, D. Polpanich, R. Thiramanas and P. Tangboriboonrat, Macromol. Res, 20, 590 (2012); doi:10.1007/s13233-012-0081-7.

I. Csetneki, M. Kabai Faix, A. Szilagyl, A.L. Kovacsi, Z. Nemeth and M. Zrinyi, J. Polym. Sci. A Polym. Chem., 42, 4802 (2004); doi:10.1002/pola.20300.

R.Y. Hong, B. Feng, X. Cai, G. Liu, H.Z. Li, J. Ding, Y. Zheng and D.G. Wei, J. Appl. Polym. Sci., 112, 89 (2009); doi:10.1002/app.29403.

G.G. Utkan, F. Sayar, P. Batat, S. Ide, M. Kriechbaum and E. Pişkin, J. Colloid Interf. Sci., 353, 372 (2011); doi:10.1016/j.jcis.2010.09.081.

N.Q. Hung and H.T.K. Nguyen, In Proceedings of International Workshop of Nanotechnology and Applications, Vietnam, pp. 528-534 (2011).

T. Tanrisever, O. Okay and I.C. Sonmezoclu, J. Appl. Polym. Sci., 61, 485 (1996); doi:10.1002/(SICI)1097-4628(19960718)61:3<485::AID-APP11>3.0.CO;2-0.

C.S. Chern, Principles and Applications of Emulsion Polymerization, John Willey & Sons, 2008.

S. Beyaz, T. Tanrisever, H. Kockar and V. Butun, J. Appl. Polym. Sci., 121, 2264 (2011); doi:10.1002/app.33895.

Issue

Vol. 26 No. 13 (2014): Vol 26 Issue 13

Preparation of Carboxyl Group Functionalized Magnetite Nanoparticles with High Magnetization

Corresponding Author(s) : Hoang Thi Kieu Nguyen

Abstract

Keywords

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