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Citation: MOU Shaoyan, LU Yao, HUANG Xiaoyi. Micro-fabrication of Nanosized SiO₂ Microspheres on Melamine-formaldehyde Resin[J]. Chinese Journal of Applied Chemistry, ;2011, 28(12): 1456-1458. doi: 10.3724/SP.J.1095.2011.00046 shu

Micro-fabrication of Nanosized SiO₂ Microspheres on Melamine-formaldehyde Resin

1.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190

Corresponding author: LU Yao,
Received Date: 25 January 2011
Available Online: 29 March 2011
Fund Project: 国家"八六三"计划(2006AA09Z318) (2006AA09Z318)

Nanosized SiO₂ microspheres with an average diameter of 226 nm were synthesized by sol-gel methods.After being modified by silane coupling agent KH-570 and using sodium dodecylsulphate(SDS) as emulsifier,nanosized SiO₂ microspheres were fabricated on melamine formaldehyde with ultrasonication,which aimed at weakening the disadvantages of nanosized materials as well as remaining the merits of high specific surface area.Fourier transform infrared spectroscopy,scanning electron microscopy and the laser light scattering were used to characterize the appearance and chemical composition of the product.The mechanism of the synthesis was also analyzed.The particles have an average size of 30 μm and distributed uniformly.The product has potential applications in reinforcing materials and other fields and it may be used as a kind of substitute material of nanosized materials to reduce their toxity in some extent.
- nanosized microsphere,
- micro,
- silica,
- fabrication
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Micro-fabrication of Nanosized SiO₂ Microspheres on Melamine-formaldehyde Resin