يجب تسجيل الدخول أولا
Synthesis, Characterization and Thermal Properties of Photoresponsive Epoxy Resin Containing Benzylidene Units in the Main Chain
| المصدر: | مجلة جامعة البيضاء |
|---|---|
| الناشر: | جامعة البيضاء |
| المؤلف الرئيسي: | Mahdy, Abdulsalam (Author) |
| مؤلفين آخرين: | Al-Azzany, Mariam (Co-Author) |
| المجلد/العدد: | مج4, ع3 |
| محكمة: | نعم |
| الدولة: |
اليمن |
| التاريخ الميلادي: |
2022
|
| الشهر: | ديسمبر |
| الصفحات: | 159 - 169 |
| ISSN: |
2709-9695 |
| رقم MD: | 1407908 |
| نوع المحتوى: | بحوث ومقالات |
| اللغة: | الإنجليزية |
| قواعد المعلومات: | EduSearch, HumanIndex |
| مواضيع: | |
| رابط المحتوى: |
| المستخلص: |
A photoresponsive epoxy resin containing benzylidene units in the main chain has been prepared from bis (4-hydroxybenzylidene) cyclohexanone and epichlorohydrin using solution polycondensation method. The resulting compound possessed both the oxirane ring and benzylidene units. Thus, it has been highlighted in practical applications. The chemical structure of epoxy resin was characterized by Fourier transform infrared (FT-IR) and (1H, 13C) nuclear magnetic resonance (NMR) spectroscopies. The photolysis via [2π + 2π] cycloaddition reaction of the epoxy resin in the chloroform solution was studied by the UV-irradiation (350 nm). The thermal properties results show that the resulting epoxy resin is stable until 350 ˚C and its glass transition temperature is about 140 ˚C, which they were examined by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC), respectively, to demonstrate its potential in the industrial coatings. |
|---|---|
| ISSN: |
2709-9695 |
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