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Citation: LI Xiao-Qing, CHAI Shi-Gan, YANG Ting-Ting, GAO Qing, YUAN Jian-Jun, CHENG Shi-Yuan. Biomimetic Synthesis of Hybrid Silica Nanoparticles Mediated by Linear Polyamines[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 633-636. shu

Biomimetic Synthesis of Hybrid Silica Nanoparticles Mediated by Linear Polyamines

1.
Faculty of Material Science and Engineering, Hubei University, Wuhan 430062

Corresponding author: CHENG Shi-Yuan,
Received Date: 11 June 2008
Available Online: 1 September 2008
Fund Project: 国家自然科学基金(50703006) (50703006)湖北省教育厅重大项目(Z200710001) (Z200710001)武汉市晨光计划(200750731275)资助项目 (200750731275)

We reported the biomimetic synthesis of hybrid silica nanoparticles mediated with linear cationic poly(acrylamide-co-dimethylaminoethylacrylate-methyl chloride)[poly(AM-co-DMC)].The hybrid silica nanoparticles were simply synthesized by stirring a mixture of the aqueous solution of poly(AM-co-DMC) with tetramethoxysilane(TMOS) at ambient temperature for typically 30 min.The hybrid nanoparticles were well characterized with FT-IR,TEM,TEM-EDX and TGA.The representative hybrid nanoparticles were roughly spherical,with an average diameter of around 15 nm and a good monodispersity.EDX analysis,FT-IR and TGA analyses have confirmed that the hybrid particle is composed of polyamines and inorganic silica.In addition,we also found that the formation of hybrid nanoparitlces depended on the mineralization reaction time for silica deposition.
- linear polyamines,
- hybrid nanoparticles,
- biomimetic synthesis,
- silica
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