奈米銅插層之改質型黏土的製備
與性質探討

目前的電子產品發展都趨向為輕薄短小化，也因為此其元件與元件之間的距離愈來愈近，當靠近到某一種程度後會有產生靜電力，靜電力的產生往往使得元件電荷累積，造成損壞率提高，所以在現今許多電子相關行業中，對於去除靜電力的研究相當的多，以提高其使用壽命，以便供應市場需求，而本實驗以天然黏土(Clay)作為具導電機能的載體，所選用之黏土礦分別為CWC、PK-805、PK-80、Sericite，而選用絹雲母(sericite)的主因是其為台灣本土的礦物，不僅視徑比 (Aspect ratio)相當大，陽離子交換量也較高，當視徑比大與陽離子交換當量高表示單位面積內可反應的活性基也較多，但是尚未有商品料可以購買所以需要經由自行純化過後與相關的性質檢測才可應用於奈米複合材料，本實驗是藉由添加入奈米無機銅離子與黏土層間陽離子進行離子置換後再經由還原反應使得黏土層間為銅原子，在添加入改質劑即為界面活性劑(Lonzaine CS)，作為黏土與環氧樹脂的相容劑，形成具有導電性之環氧樹脂基材，當導電度為10-6 (S/cm)時就具有抗靜電的效果，當其導電度到達10-2(S/cm)時就具有EMI shielding的效果，再經由廣角X光繞射儀(XRD)傅立葉紅外線光譜儀(FT-IR)、掃描式電子顯微鏡(SEM)、穿透式電子顯微鏡(TEM)、四點探針導電度計與相關之熱分析檢測熱重分析儀(TGA)、動態機械分析儀(DMA)等相關檢測其性質以應用於電子產業中

關鍵字

奈米複合材料；絹雲母

並列摘要

Abstract The developments of electronic products commercially prefer to maintain the shorter,thiner, smaller and lighter size . when the distance, between two componets in a device, is closer and closer ,there is the formation of static elelctricity, caused by the accumulation of electric charge in the components. This kinds of static electricity will damage the performance of electronic products. So, how to get rid of the static electricity becomes important issue. In this reseach work, modified clays,as the conductive additives, are prepared by copper ion exchange reactions of Na+-type CWC,PK-802,PK-805 and sericite Respectively. Sericite ,form eastern Taiwan and with the larger aspect ratio and the higher cation exchange capacity than other commercial purified clays,will provide more reactive sites for the nano-scaled copper doped in the gallery of clay layers. Since there is no commercial available purified sericite, the purification of sericite is Studied in this work. Li-type of purified sericite was modified by the Cu2+ ion and modified agent(Lonzaine CS) exchange reaction and then followed by the reduction reaction of Cu2+ to Cu atoms. Finally, epoxy was mixed with the modified clays, with conductive and anti-bacterial functionalities, and characterized by the conductivity ,XRD, SEM, TEM, TGA, and DMA.

並列關鍵字

nanocomposites ； Sericite

參考文獻

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奈米銅插層之改質型黏土的製備與性質探討

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