期刊
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
卷 50, 期 22, 页码 4732-4739出版社
WILEY
DOI: 10.1002/pola.26294
关键词
carbon nanotubes; composites; covalent attachment; dielectric constant; dielectric properties; high performance polymers; polymer composites
资金
- National Nature Science Foundation of China [50973028, 50703010]
- Shanghai Municipal Education Commission [12ZZ049]
- Fundamental Research Funds for the Central Universities
- Shanghai Natural Science Foundation [12ZR1407900]
A series of high-performance polymer/carbon nanotube (CNT) composites with different nanotube contents have been prepared via condensation of N-silylated diamino terminated precursor of the polymer with acid chloride-functionalized CNTs and subsequent thermal cyclodehydration. The composites have been fully characterized by infrared and Raman spectroscopy, electron microscopy, and thermal analysis. Various interesting morphologic features including helical structures have been observed in the composites as a result of covalent attachment of the polymer. The composites exhibit excellent thermal stability and a significant improvement in the dielectric constant and mechanical strength with the inclusion of CNTs. (C) 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012
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