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Citation: ZHANG Pei, ZHAO Yun, ZHOU Mingji, ZHANG Linya, JIAO Qingze. Synthesis and Characterization of Fluorine-containing Poly(ether ether ketone ketone)[J]. Chinese Journal of Applied Chemistry, ;2011, 28(2): 159-163. doi: 10.3724/SP.J.1095.2011.00189 shu

Synthesis and Characterization of Fluorine-containing Poly(ether ether ketone ketone)

1.
School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing 100081

Corresponding author: JIAO Qingze,
Received Date: 2 April 2010
Available Online: 18 July 2010
Fund Project: 北京市自然科学基金(2062021)资助项目 (2062021)

Using o-fluorine hydroquinone and 1,4-di(4'-fluorobenzoyl)benzene as precursors,a fluorine-containing poly(ether ether ketone ketone) was prepared via a nucleophilic aromatic substitution polymerization.Fourier transform infrared spectra(FTIR),nuclear magnetric resonance(¹H NMR) and X-ray diffraction(XRD) were used to determine the structure of the polymer.Differential scanning calorimetry(DSC),thermal gravimetric analysis(TGA) and near infrared spectra(NIR) were used to characterize the properties of the polymer.The solubility,water absorption,dielectric property and optical property of the polymer were investigated.The results show that FPEEKK is amorphous.The polymer shows high thermal stability(in nitrogen atmosphere,the degradation temperature for losing 5% mass is 505℃).The polymer is soluble in common organic solvents such as chloroform,tetrahydrofuran(THF) and N,N-dimethylacetamide(DMAC).The dielectric constant is 3.0 and the water absorption is 0.24%.The polymer exhibits low absorption at 1300 nm and 1550 nm wavelength.
- fluorine-containing poly (ether ether ketone ketone),
- solubility,
- dielectric constant,
- optical property
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