含銀之導電絹雲母之製備與性質研究

陳怡錦

doi:10.6840/CYCU.2007.00487

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含銀之導電絹雲母之製備與性質研究

Preparation and Characterization of Nano-silver Doped Sericite.

陳怡錦 , Masters　　Advisor：蔡宗燕　　

繁體中文 DOI： 10.6840/CYCU.2007.00487

離子置換法；抗菌；銀鏡反應；絹雲母； Sericite ； The silver mirror reaction ； Antibacterial ； Ion-exchange method

Abstract │ Reference (59) │ Times Cited (2) │ Altmetrics

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ABSTRACT
   In this study, we applied the natural sericite as the basic material.  Because the sericite is native to Taiwan, and it has large aspect ratio and high cation exchange capacity.  When aspect ratio is bigger than the cation exchange equivalent capacity, it indicates that the active groups per unit area are more.  Therefore we the first purified and modified the sericite, then the silver ions were reduced to silver atom, and inserted into the interlayer of the basic material, as the organic/inorganic nanocomposites.  We also discuss its conductive, antibacterial, and the thermal properties etc.
  Because of the modification of purified sericite is carried out by the silver mirror reaction (Electroless Plating or Chemical reduction method) and ion-exchange method, the silver ion is intercalated into the interlayer of the sericite which is inconductible with the cation exchange ions, then followed by the reduction reaction by applying the redcuing agents like glucose or NaBH4 etc, which cause the reduction of silver ion to silver atom.  This made the sericite become conductive.  We also added the modifier like Lonzaine CS, as the compatibilizers between sericite and the epoxy resin, it makes sericite - epoxy resin with remarkable conductive nanocomposites.
  In this work, there are some instruments are applied for the structure identification and thermal property measurement, such as XRD, TGA, ICP-AES, SEM, TEM and DMA.
  Experimental results show that the sericite - epoxy resin nanocomposites can be applied in the special painting, the seal material, anti-static electricity and against electromagnetic wave and so on in the future.  In the antibacterial application, the conductive sericite provides the remarkable antibacterial effect, which can be used in the antibacterial product market in the future.

Reference ( 59 ) 〈TOP〉

2.蔡宗燕，奈米級黏土/高分子複合材料，奈米化學與科技應用，工業技術研究院化學工業研究所(2004)，p.135-156。
連結：
4.C.C. Riccardi, and R. J. J. Williams, J. Appl. Polym.. Sci.1986,32,3445.
連結：
5.Y. Kojima et al., J. Polym. Sci.:Part A: Polym. Chem. 1993, 31,1755.
連結：
9.T.J. Pinnavaia and G.W. Beall，Polymer-Clay Composites, John Wiley&Sons, Ltd，2000。
連結：
15.俞懿珊，天然黏土之純化改質研究及其在環氧基板應用之性能探討，中原大學化學研究所（2006）
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