Synthesis and Characterization of Novel PEEK with Pendant Group Containing Fluorine

Abstract

Abstract: A fluorine-containing monomer was synthesized and its polymer was prepared by aromatic nucleophilic substitution polycondensation of the monomer and 4,4′-difluorobenzophenone using potassium carbonate as the catalyst and tetramethylene sulfone as solvent. The polymer properties were characterized by FTIR, NMR, DSCand the results showed that the T_g of the polymer is 141 ℃ and the solubility of the polymer was obviously improved due to the introduction of (3-trifluoromethyl)phenyl group.

Key words: PEEK, Pendant group containing fluorine, Solubility

CLC Number:

O631

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WANG Gui-Bin, CHEN Chun-Hai, ZHOU Hong-Wei, JIANG Zhen-Hua, ZHANG Wan-Jin, WU Zhong-Wen . Synthesis and Characterization of Novel PEEK with Pendant Group Containing Fluorine[J]. Chem. J. Chinese Universities, 2000, 21(8): 1325.

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Synthesis and Characterization of Novel PEEK with Pendant Group Containing Fluorine

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