Paper Title:
Synthesis and Characterization of Novel Fluorene-Based Poly(Imino Ketone)s
  Abstract

Fluorene-based poly(imino ketone)s (PIKF) were designed and synthesized by reacting 1,4-Bis-(4-bromobenzoyl)-benzene and 9,9-bis(3-R-4-aminophenyl)fluorine (R: H, CH3 or F). The structures of the resulting polymers were characterized by FT-IR, 1H NMR spectroscopy and elemental analysis. The thermo and optical properties of PIKF were evaluated. Good solubility of PIKF in ordinary organic solvents such as THF and chloroform was confirmed. PIKF were amorphous at room temperature. No phase transition except for Tg was confirmed in the DSC analysis. PIKF displayed a high glass transition temperature (Tg > 215 °C) in comparison with commercially available poly(ether ether ketone) (PEEK Tg = 169 °C). The UV-vis absorption spectrum of polymers exhibited two absorption peaks around 271 nm and 369 nm; The fluorescence spectrum of the PIKF-1, 2 and PIKF-3 showed a maximum emission wavelength at 502 nm and 491 nm, respectively. These optical properties were probably related to the cardo structure of the fluorene moiety placed on the main chain.

  Info
Periodical
Advanced Materials Research (Volumes 335-336)
Chapter
Chapter 8: Materials Physics and Chemistry
Edited by
Yun-Hae Kim, Prasad Yarlagadda, Xiaodong Zhang and Zhijiu Ai
Pages
1086-1089
DOI
10.4028/www.scientific.net/AMR.335-336.1086
Citation
L. Zhang, G. J. Chang, L. B. Miao, R. X. Lin, "Synthesis and Characterization of Novel Fluorene-Based Poly(Imino Ketone)s", Advanced Materials Research, Vols. 335-336, pp. 1086-1089, 2011
Online since
September 2011
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Price
$32.00
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