Preparation, Characterization, and Properties of Polyurethane-Grafted Multiwalled Carbon Nanotubes and Derived Polyurethane Nanocomposites
Joint Authors
Wang, Na-Fu
Tsai, Yu-Zen
Wang, Tzong-Liu
Yu, Chin-Chung
Yang, Chien-Hsin
Shieh, Yeong-Tarng
Source
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-12-25
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Engineering Sciences and Information Technology
Chemistry
Civil Engineering
Abstract EN
We incorporated hydroxyl groups into the polyurethane backbone and then used the “grafting to” approach to functionalize the multiwalled carbon nanotubes (MWNTs) via the esterification reaction between MWNTs and segmented polyurethanes (PUs).
X-ray photoelectron spectroscopy (XPS) spectra showed that the sidewalls of MWNTs had been functionalized with acid treatment, and the amount of COOH increased with increasing acid treatment time.
FTIR spectra further confirmed that PU was covalently attached to the sidewalls of MWNTs.
The functionalized acid amount and the grafted PU amount were determined by thermogravimetric analyses (TGAs).
Comparative studies based on SEM images of the PU-functionalized and chemically defunctionalized MWNT samples also revealed the covalent coating character.
Dynamic mechanical analysis (DMA) of nanocomposite films prepared from PU and PU-functionalized MWNTs showed enhanced mechanical properties and increased soft segment Tg.
Tensile properties indicated that PU-functionalized MWNTs were effective reinforcing fillers for the polyurethane matrix.
American Psychological Association (APA)
Wang, Tzong-Liu& Yu, Chin-Chung& Yang, Chien-Hsin& Shieh, Yeong-Tarng& Tsai, Yu-Zen& Wang, Na-Fu. 2011. Preparation, Characterization, and Properties of Polyurethane-Grafted Multiwalled Carbon Nanotubes and Derived Polyurethane Nanocomposites. Journal of Nanomaterials،Vol. 2011, no. 2011, pp.1-9.
https://search.emarefa.net/detail/BIM-500250
Modern Language Association (MLA)
Wang, Tzong-Liu…[et al.]. Preparation, Characterization, and Properties of Polyurethane-Grafted Multiwalled Carbon Nanotubes and Derived Polyurethane Nanocomposites. Journal of Nanomaterials No. 2011 (2011), pp.1-9.
https://search.emarefa.net/detail/BIM-500250
American Medical Association (AMA)
Wang, Tzong-Liu& Yu, Chin-Chung& Yang, Chien-Hsin& Shieh, Yeong-Tarng& Tsai, Yu-Zen& Wang, Na-Fu. Preparation, Characterization, and Properties of Polyurethane-Grafted Multiwalled Carbon Nanotubes and Derived Polyurethane Nanocomposites. Journal of Nanomaterials. 2011. Vol. 2011, no. 2011, pp.1-9.
https://search.emarefa.net/detail/BIM-500250
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-500250