Aromatic polyethers containing 1,3,4-oxadiazole rings

被引：0
|
作者：
Hamciuc, C [1 ]
Hamciuc, E [1 ]
Vlad-Bubulac, T [1 ]
Petreus, O [1 ]
机构：
[1] Petru Poni Inst Macromol Chem, Iasi 700487, Romania
来源：
REVUE ROUMAINE DE CHIMIE | 2006年 / 51卷 / 01期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Aromatic polyethers containing 1,3,4-oxadiazole rings were prepared by nucleophilic substitution polymerization technique of 2,5-bis(p-fluorophenyl)-1,3,4-oxadiazole with various aromatic bisphenols, such as 4,4 '-isopro-pylidenediphenol, 4,4 '-(1,4-phenylene-diisopropylidene)bisphenol, 4,4 '-(hexafluoroisopropylidene)diphenol, 4,4 '-cyclohexylidene-bisphenol and 4,4'-dihydroxybiphenyl. They showed high thermal stability with decomposition temperature above 400 degrees C and glass transition temperature in the range of 187-211 degrees C. Solutions of some polymers in INN-dimethylformamide exhibited fluorescence, having maximum emission wavelength in the range of 373-377 nm.
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页码：53 / 59
页数：7
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