Synthesis of Crosslinkable Fluorinated Poly(ether ether ketone)

Abstract

Abstract: A novel crosslinkable fluorinated poly(ether ether ketone) with acetylenylbenzene end groups was prepared by solution condensation. The chemical structure of such polymer was confirmed by FTIR and ¹HNMR. The crosslinking behavior and thermal stability were investigated by DSC and TGA respectively. The DSC thermogram for the first heating run shows a glass transition of 6F-PEEK at about 395 K and a exothermic peak correspongding to the self-crosslinking reaction of fluorinated poly(ether ether ketong) at about 700 K. For the second heating run, the exothermic peak disappered and the glass transition shifted to a higher temperature. The crosslinked polymer shown excelent thermal stability and solvent-resistence. The temperature for 5% weight loss was 774 K and the self-crosslinked polymer was no more disolved by polar solvents, which disolved in before crosslinking, such as DMF, DMAc and NMP. This kind of polymer may be a potential material used as electro-optical devices.

Key words: Poly(ether ether ketone), Fluorinated polymer, Cross-linking

CLC Number:

O631

TrendMD:

LIU Bai-Jun, HU Wei, MA Xiao-Ye, RAO Xian-Hua, LI Ting, JIANG Zhen-Hua, WU Zhong-Wen . Synthesis of Crosslinkable Fluorinated Poly(ether ether ketone)[J]. Chem. J. Chinese Universities, 2003, 24(7): 1329.

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Synthesis of Crosslinkable Fluorinated Poly(ether ether ketone)

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