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

被引：0

作者：

S. J. Yu

S. X. Wang

Z. C. Tan

C. Q. Liao

Y. S. Li

机构：

[1] Liaoning Normal University,College of Chemistry & Chemical Engineering

[2] Dalian Jiaotong University,College of Environmental Science & Engineering

[3] Chinese Academy of Science,China Ionic Liquid Laboratory and Thermochemisty Laboratory, Dalian Institute of Chemical Physics

来源：

Journal of Thermal Analysis and Calorimetry | 2009年 / 97卷

关键词：

Diethyl 5-(4-hydroxyethoxyphenylazo)isophthalate; Synthesis; Characterization; Thermal decomposition; TG-DTG/DTA;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A novel AB2-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, 1H 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

页码：993 / 997

页数：4

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