Synthesis and Curing Kinetics of Cyclotriphosphazene-Based Multifunctional Epoxy Resin

被引：0
|
作者：
Zhou L. [1 ]
Zhang G. [2 ]
Yang S. [1 ]
Yang L. [1 ]
Cao J. [1 ]
Yang K. [3 ]
机构：
[1] Xi'an Modern Chemistry Research Institute, Xi'an
[2] School of Natural and Applied Sciences, Northwestern Polytechnical University, Xi'an
[3] College of Chemistry and Materials Science, Northwestern University, Xi'an
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2020年 / 36卷 / 05期
关键词：
Curing kinetics; Cyclotriphosphazene; Multifunctional epoxy resin;
D O I：
10.16865/j.cnki.1000-7555.2020.0108
中图分类号：
学科分类号：
摘要：
A novel hexa-functional epoxy resin hexa-[4-(glycidyloxymethyl)phenoxy]-cyclotriphosphazene, HGPCP, was synthesized from hexachlorocyclotriphosphazene (HCCP) in four steps, the chemical structure of HGPCP was characterized by FT-IR, 1H, and 31P-NMR spectroscopy. 4, 4-Diaminodiphenyl methane (DDM), 4, 4'-diaminodiphenyl sulfone (DDS) were selected as curing agents, the thermal curing kinetics of HGPCP was studied by non-isothermal differential scanning calorimetry (DSC). The results show that the apparent activation energies of HGPCP/DDM and HGPCP/DDS are 52.46 kJ/mol, 61.77 kJ/mol, respectively. Comparing to n order model deduced from Kissinger and Crane method, the curing process of HGPCP/DDM and HGPCP/DDS can be well described by Êesták-Berggren two-parameter autocatalytic model. Furthermore, the curing condition of HGPCP cured by DDM, DDS was optimized according to the characteristic temperature at different heating rates. © 2020, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：107 / 116
页数：9
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