Synthesis and properties of a novel crosslinkable poly (aryl ether ketone) containing pendent phenylethynyl moieties

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作者：
Ma, Xiao-Ye
Guan, Shao-Wei
Chen, Chun-Hai
Wang, Gui-Bin
Jiang, Zhen-Hua
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Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities | 2007年 / 28卷 / 03期
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摘要：
A type of novel crosslinkable poly (aryl ether ketone)s containing pendent phenylethynyl moieties (PEP-PAEK-Fn) were synthesized. The polymers were prepared by copolycondensation reaction of difluoro-monomer with potassium salt of 4-phenylethynylphenyl hydroquinone(PEP-PH) and 4,4'-isopropylidenediphe-nol(BPA). The Mns and Mw/Mns of polymers determined by GPC with polystyrene standard were 46700, 100000 and 1.6, respectively. The resulting polymers were thermally crosslinked at 370°C for 2 h in N2 atmosphere. The glass transition temperature is increased after crosslinking. The cured polymers show a good chemical resistance and high thermal stability up to 500°C. under nitrogen.
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页码：600 / 602
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