Carbon nanotube reinforced shape memory polyurethane foam
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- 作者：S. M. Kang (1)
S. H. Kwon (2)
J. H. Park (1)
B. K. Kim (1) - 关键词：Polyurethane foam ; Mechanical properties ; Shape memory properties ; Carbon nanotube
- 刊名：Polymer Bulletin
- 出版年：2013
- 出版时间：March 2013
- 年：2013
- 卷：70
- 期：3
- 页码：885-893
- 全文大小：329KB
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S. H. Kwon (2)
J. H. Park (1)
B. K. Kim (1)
1. Department of Polymer Science and Engineering, Pusan National University, Pusan, 609-735, South Korea
2. Department of Naval Architecture and Ocean Engineering, Pusan National University, Pusan, 609-735, South Korea - ISSN：1436-2449
文摘
Multiwalled carbon nanotube (MWCNT)/polyurethane (PU) foams have been synthesized from polypropylene glycol and 2,4/2,6-toluene diisocyanate following the one-shot foaming method in the presence of water as the chemical blowing agent. The effects of CNT content on the performances of the foams have been analyzed in terms of reactivity, mechanical and dynamic mechanical properties, and shape memory properties of the foams. It was found that the cream time, rise time, tensile, and compressive strengths at room temperature, glassy and rubbery state moduli, glass-transitional temperature (T g), and shape fixity and shape recovery increased with the addition and increasing amount of MWCNT.