详细信息
含六氟异丙烷结构的聚芳醚酮和聚芳醚砜的合成与性能 ( EI收录)
Synthesis and Characterization of Poly(aryl ether ketone)and Poly(aryl ether sulfone) Containing Hexafluoroisopropylidene Groups
文献类型:期刊文献
中文题名:含六氟异丙烷结构的聚芳醚酮和聚芳醚砜的合成与性能
英文题名:Synthesis and Characterization of Poly(aryl ether ketone)and Poly(aryl ether sulfone) Containing Hexafluoroisopropylidene Groups
作者:姜振玉[1];黄海蓉[1];陈建定[1]
机构:[1]华东理工大学材料科学与工程学院,上海200237
年份:2007
卷号:33
期号:3
起止页码:345
中文期刊名:华东理工大学学报(自然科学版)
外文期刊名:Journal of East China University of Science and Technology
收录:CSTPCD;;EI(收录号:20072910703229);Scopus;北大核心:【北大核心2004】;CSCD:【CSCD2011_2012】;
基金:国家自然科学基金项目(3047682)
语种:中文
中文关键词:含氟聚芳醚酮;聚芳醚砜;热性能;溶解性;介电常数
外文关键词:fluorinated poly(aryl ether ketone); fluorinated poly(aryl ether sulfone) ; thermal stabili- ty; solubility; dielectric constant
摘要:以双酚AF和4,4-二氟二苯酮、4,4-二氯二苯砜为单体采用亲核取代反应,通过缩聚法合成了新型含氟聚芳醚酮(PAEK-AF)和含氟聚芳醚砜(PAES-AF)。凭借FT-IR、GPC、DSC、TGA等分析手段对聚合物的结构和性能进行了表征和研究。结果表明:所合成的PAEK-AF和PAES-AF具有较高的分子量(Mw>2.4×105);良好的耐热性(玻璃化转变温度Tg分别为163、200℃),优异的热稳定性(空气中失重5%的温度分别为515、525℃);1 MHz下的介电常数分别是1.69和1.89;良好的溶解性,室温下能溶解在N甲基吡咯烷酮、二甲基乙酰胺、四氢呋喃、氯仿等有机溶剂中。
Novel poly(aryl ether ketone)(PAEK-AF) and poly(aryl ether sulfone)(PAES-AF) containing fluorine were synthesized from bisphenol AF, 4,4-difluorobenzophenone and 4,4-dichlorodiphenyl sulfone via nucleophilic substitution reactions. The as-synthesized polymers were studied and characterized by FT-IR, GPC,DSC and TGA. The results show that the PAEK-AF and PAES-AF have high molecular weight(Mw〉2.4 × 10^5) , glass transition temperatures Tg 163 ℃ and 200 ℃, 5 % weight loss temperature 515℃ and 525 ℃, and lower dielectric constant 1.69 and 1.89 at 1 MHz, respectively. The polymers have good solubility in some solvents such as NMP, DMAc, THF,chloroform etc at room temperature.
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