Volume 115, Issue 6 pp. 3481-3488

Preparation, morphology, and properties of silane-modified MWCNT/epoxy composites

Sheng-Yen Wu

Sheng-Yen Wu

Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan

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Siu-Ming Yuen

Siu-Ming Yuen

Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan

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Chen-Chi M. Ma

Corresponding Author

Chen-Chi M. Ma

Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan

Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan===Search for more papers by this author
Chin-Lung Chiang

Chin-Lung Chiang

Department of Industrial Safety and Health, Hung Kuang University, TaiChung Salu, Taiwan

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Yuan-Li Huang

Yuan-Li Huang

Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan

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Hsin-Ho Wu

Hsin-Ho Wu

Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsin-Chu, Taiwan

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Chih-Chun Teng

Chih-Chun Teng

Department of Chemical Engineering, National Tsing Hua University, Hsin-Chu 30043, Taiwan

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Cheng-Chien Yang

Cheng-Chien Yang

Chemicals System Research Division, Chung-Shan Institute of Science and Technology, Lung-Tan, Taiwan

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Ming-Hsiung Wei

Ming-Hsiung Wei

Chemicals System Research Division, Chung-Shan Institute of Science and Technology, Lung-Tan, Taiwan

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First published: 04 November 2009
Citations: 20

Abstract

Both epoxy resin and acid-modified multiwall carbon nanotube (MWCNT) were treated with 3-isocyanatopropyltriethoxysilane (IPTES). Scanning electron microscopy (SEM) and transmission electronic microscope (TEM) images of the MWCNT/epoxy composites have been investigated. Tensile strength of cured silane-modified MWCNT (1.0 wt %)/epoxy composites increased 41% comparing to the neat epoxy. Young's modulus of cured silane-modified MWCNT (0.8 wt %)/epoxy composites increased 52%. Flexural strength of cured silane-modified MWCNT (1.0 wt %)/epoxy composites increased 145% comparing to neat epoxy. Flexural modulus of cured silane-modified MWCNT (0.8 wt %)/epoxy composites increased 31%. Surface and volume electrical resistance of MWCNT/epoxy composites were decreased with IPTES-MWCNT content by 2 orders and 6 orders of magnitude, respectively. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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