An Improvement to the Properties of GAP Binder with Energetic Ionic Liquids

Fareghi-Alamdari, Reza; Jafari, Najmeh; Zekri, Negar

Volume 13, Issue 4 (12-2018) مواد پرانرژی 2018, 13(4): 255-261 | Back to browse issues page

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Fareghi-Alamdari R, Jafari N, Zekri N. An Improvement to the Properties of GAP Binder with Energetic Ionic Liquids. مواد پرانرژی 2018; 13 (4) :255-261
URL: http://isaem.ir/article-1-1254-en.html

An Improvement to the Properties of GAP Binder with Energetic Ionic Liquids

Reza Fareghi-Alamdari ^*

, Najmeh Jafari

, Negar Zekri

, reza_fareghi@yahoo.com

Abstract: (3475 Views)

Glycidyl azide polymer (GAP) is used as a binder in the propellants. Energetic ionic liquids are used as a plasticizer to correct the properties of polymer. In this study, first ionic liquid was bonded to the GAP by certain amount and then the energetic anions of nitrate (NO₃) and azide (N₃) were used to exchange anion. FTIR analyses confirm accurately anions exchange. DSC, viscometer and heat of combustion analyses have been done. The glass transition temperature, viscosity and GAP energy were changed by anion exchange. Glass transition temperatures for ionic liquids with nitrate (NO₃) and azide (N₃) anions were measured -43.25 °C and -40.91 °C, viscosities 4 Pa.s and 5 Pa.s and heats of combustion 20.46 kJ/g and 19.98 kJ/g, respectively. The results of the analysis indicate that the ionic liquid with nitrate anion gives better results in comparison to the ionic liquid with azide anion.

Keywords: Energetic ionic liquid, Glass transition temperature, Viscosity, Heat of combustion, Glycidyl azide polymer, Energetic ionic liquid, Properties correction, Glass transition temperature, Viscosity and Heat of combustion

Full-Text [PDF 461 kb] (551 Downloads)

Type of Study: Research | Subject: پیشرانه
Published: 2019/09/17