碳奈米管/碳奈米球接枝高分子鏈之有機-無機混成材料之合成及其性質研究

Polymer grafted carbon nanotube/Buckminsterfullerene organic–inorganic hybrids : preparation and properties

陳威宏(Wei-Hong Chen)

指導教授 ： 劉英麟

中原大學/工學院/化學工程研究所/碩士(2007年)

https://doi.org/10.6840/cycu200700414

摘要

摘要
本研究利用原子轉移自由基聚合將多壁的碳奈米管及碳奈米球(C60)進行一系列的改質，利用從稼接與稼接兩種不同的方式，分別將疏水性(polystyrene)，親水性(poly N-isopropylacrylamide)的高分子接枝於碳奈米管表面，並控制其形成V-shaped的新結構及具有溫度敏感的性質；兩性的奈米碳球溶解於氯仿中，旋轉塗佈在矽晶圓表面，在電子顯微鏡下，觀察其形成奈米環的自組裝行為。
合成帶有磺酸基的碳奈米管加入不同比例摻雜至幾丁聚醣中，得到一個勻相的碳奈米管/幾丁聚醣複合材料，顯示兩者間有良好的相容性，改質後幾丁聚醣對醇類水溶液膨潤度有明顯的下降，表示碳奈米管的添加有助於抑制膜材的膨潤度；在機械性質方面，添加碳奈米管能有效提升抗張強度與楊氏係數，及提升了導電度，並應用在分離醇類水溶液的滲透蒸發上，可以得到高透過量及選擇比。

關鍵字

碳管

並列摘要

Abstract
The research exploit multiwalled carbon nannotube (MWNT) and Buckminsterfullerene(C60) to proceed a series of modification via atom transfer free radical polymerization (ATRP).Utilizing grafting from and grafting to two different methods covalent hydrophobic(polystyrene) and hydrophilic(poly N-isopropylacrylamide) polymers onto the surface of CNT and control to form the new structure of V-shaped and prossess the properties of temperature sensitivity；Amphiphilic polymer-C60 dissolve in chloroform and spin coating on silicon wafer. The surface morphologies will form nano ring of self-assembly on electronic microscopy measurements.
Preparing CNT-sulfonic acid added different proportions to
Blend with chitosan. CNT/chitosan composites are homogeneous which it can show their have good compatibility. To inhibit the sweeling of chito-
san membranes in aqueous,which leads to lowered water perpmselectivity
during separation , organic-inorganic hybrid membranes composed of
chitosan and modified MWNT were prepared.In mechanical properties,it can promote tensile strain, tensile stress,Young’s modulus and conductivity
effectively. These novel hybrid membranes have good permeation rate and high separation factor for the pervaporation.

並列關鍵字

carbon nanotube

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