Epoxy resin cured with diamine bearing azobenzene group

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• 作者：Schab-Balcerzak ; Ewa ; Janeczek ; Henryk ; Kaczmarczyk ; Bozena ; Bednarski ; Henryk ; Sek ; Danuta ; et. al.
• 关键词：Epoxy resins ; Cure reaction kinetics ; Photoresponsive chromophores
• 刊名：Polymer
• 出版年：2004
• 期刊代码：83_00323861
• 类别：ms
• 出版时间：April, 2004
• 卷：45
• 期：8
• 页码：2483-2493
• 文件大小：438 K

摘要

The epoxy resin: N,N-diglycidyl-4-glycidyloxyaniline (DGOA) is cured with the new diamine-chromophore: 2,4-diamino-4′-methylazobenzene (DMAB). The spectral characterization of infrared spectroscopy (FTIR), ¹H NMR spectroscopy and of elemental analysis (EA), confirm the chromophore structure. The curing kinetics of aminophenol epoxy resin/2,4-diamino-4′-methylazobenzene system is studied in isothermal experiments by means of differential scanning calorimetry (DSC). The structural changes occurring during the cure reaction are investigated by Fourier transform infrared spectroscopy (FTIR). Thermal stability characterized by the temperature of 5 and 10%weight loss and residue at 1000 °C of the cured product is studied by thermogravimetric analysis (TGA). Amorphous character of the cured material is determined using X-ray spectroscopy. The preliminary investigations of optical grating recording are carried out.