Synthesis, characterization and TG-DTA study of diethyl 5-(4-hydroxyethoxyphenylazo)isophthalate

被引：4
|
作者：
Yu, S. J. [4 ]
Wang, S. X. [3 ]
Tan, Z. C. [1 ,2 ,3 ]
Liao, C. Q. [4 ]
Li, Y. S. [3 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian 116023, Peoples R China
[2] Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
[3] Dalian Jiaotong Univ, Coll Environm Sci & Engn, Dalian 116028, Peoples R China
[4] Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2009年 / 97卷 / 03期
关键词：
Diethyl 5-(4-hydroxyethoxyphenylazo) isophthalate; Synthesis; Characterization; Thermal decomposition; TG-DTG/DTA; POLYMERS; DENDRIMERS;
D O I：
10.1007/s10973-009-0161-x
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A novel AB(2)-type monomer diethyl 5-(4-hydroxyethoxyphenylazo)isophthalate for preparing hyperbranched azo polymers (HBPAZO) was synthesized. The monomer obtained was characterized by IR spectra, UV-Vis spectra, H-1 NMR spectrum and C NMR spectrum. The TG-DTG/DTA curves show that the decomposition of the monomer proceeds in four steps. During the second-step decomposition, the mass loss occurs between 480.5 K and 579.0 K and the phenomena of condensing to HBPAZO for the melted monomer was found. So it is inferred that this temperature range is the best for polycondensation of the melted monomer, which is very important for synthesizing of HBPAZO.
引用
收藏
页码：993 / 997
页数：5
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