Preparation of Marcoporous and Hollow Silica Microspheres with Raspberry-Like Organic Composite Particles as Templates

Abstract:

Marcoporous silica hollow microspheres were prepared by poly (acrylic acid)@poly (ethyleneglycol dimethacrylate-co-4-vinylpyridine) (PAA@P(EGDMA-co-VPy)) composite particles with raspberry-like structure as the template. P(EGDMA-co-VPy) and PAA microspheres were prepared by distillation precipitation polymerization respectively. The raspberry-like organic composite polymer particles were obtained through the self-assembly of PAA microspheres on P(EGDMA-co-VPy) microspheres. Then, Silica layer was coated on the composite particles with Stöber method in an alkaline environment. The marcoporous silica hollow microspheres were received after the calcination to remove the organic template. The diameter of the marcoporous silica hollow microspheres, hollow inner core and the pore size of silica layer was about 2.0 μm, 1.5 μm and 20-130 nm, respectively.

• Periodical: Applied Mechanics and Materials (Volume 372)
• Pages: 13-16
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.372.13
• Online since: August 2013
• Authors: Lin Liu, Wen Juan Guo, Zhao Dai, Ming Jing Li, Jun Fu Wei
• Keywords: Hollow, Marcoporous, Raspberry-Like, Silica, Template

References

[1] A. Khanal, Y. Inoue, M. Yada and K. Nakashima, Synthesis of silica hollow nanoparticles templated by polymeric micelle with core−shell−corona structure, J. Am. Chem. Soc. 129 (2007) 1534-1535.

DOI: 10.1021/ja0684904

[2] J. H. Park, C. Oh, S. Shin, S. Moon and S. Oh, Preparation of hollow silica microspheres in W/O emulsions with polymers, J. Colloid Interf. Sci. 266 (2003) 107-114.

DOI: 10.1016/s0021-9797(03)00645-3

[3] P. J. Bruinsma, A.Y. Kim, J. Liu, and S. Baskaran, Mesoporous silica synthesized by solvent evaporation:  spun fibers and spray-dried hollow spheres, Chem. Mater. 9 (1997) 2507-2512.

DOI: 10.1021/cm970282a

[4] M. Yu, H. Wang, X. Zhou, P. Yuan and C. Yu, One template synthesis of raspberry-like hierarchical siliceous hollow spheres, J. Am. Chem. Soc. 129 (2007) 14576-14577.

DOI: 10.1021/ja077110r

[5] K. Li and H. D. H. Stöver, Synthesis of monodisperse poly (divinylbenzene) microspheres, J. Polym Sci, Part A: Polym. Chem. 31 (1993) 3257-3263.

DOI: 10.1002/pola.1993.080311313

[6] F. Bai, X. Yang , Y. Zhao and W. Huang, Synthesis of core–shell microspheres with active hydroxyl groups by two-stage precipitation polymerization, Polym. Int. 54 (2005) 168-174.

DOI: 10.1002/pi.1670

[7] R. Li , X. Yang, G. Li, S. Li and W. Huang, Core−corona polymer composite particles by self-Assembled heterocoagulation based on a hydrogen-bonding interaction, Langmuir 22 (2006) 8127-8133.

DOI: 10.1021/la053519n

[8] K. Han, Z. Zhao, Z. Xiang, C. Wang, J. Zhang and B. Yang, The sol–gel preparation of ZnO/silica core–shell composites and hollow silica structure, Mater. Lett. 61 (2007) 363-368.

DOI: 10.1016/j.matlet.2006.04.064

[9] Y. Le, M. Pu and J. Chen, Theoretical and experimental studies on the silica hollow spheres, J. Non-Cryst. Solids, 353 (2007) 164-169.

DOI: 10.1016/j.jnoncrysol.2006.09.036

[10] Y. Yeh, B. Chen, H. Lin and C. Tang, Synthesis of hollow silica spheres with mesostructured shell using cationic−anionic-neutral block copolymer ternary surfactants, Langmuir 22 (2006) 6-9.

DOI: 10.1021/la052129y

[11] W. Fan and L. Gao, Synthesis of silica hollow spheres assisted by ultrasound, J. Colloid Interf. Sci. 297 (2006) 157-160.

DOI: 10.1016/j.jcis.2005.10.021