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標題: Preparation and characterization of melt-processed polycarbonate/multiwalled carbon nanotube composites
作者: Wu, T.M.
Chen, E.C.
Lin, Y.W.
Chiang, M.F.
Chang, G.Y.
關鍵字: miniemulsion polymerization;electrical-properties;nanoparticles;reinforcement;polymers
Project: Polymer Engineering and Science
期刊/報告no:: Polymer Engineering and Science, Volume 48, Issue 7, Page(s) 1369-1375.
This study describes the preparation of polycarbonate (PC)/multiwalled carbon nanotube (MWCNT) composites by melt processing the PC and PC/MWCNT master batch at 260 degrees C. The PC/MWCNT master batch was prepared using ultrasonic mixing the carboxylic acid containing MWCNT and PC in a tetrahydrofuran (THF) solution. The HRTEM images of PC/MWCNT master batch and PC/MWCNT nanocomposites show that the MWCNT is well separated and uniformly distributed in the PC matrices. Mechanical properties of the fabricated nanocomposites measured by dynamic mechanical analysis indicate significant improvements in the storage modulus when compared with that of pure PC matrix. The conductivities of 2 and 5 wt% PC/MWCNT nanocomposites are more than four and seven orders in magnitude higher than that of PC without MWCNT, respectively.
ISSN: 0032-3888
DOI: 10.1002/pen.21094
Appears in Collections:材料科學與工程學系

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