Abstract
In order to explore the solid propellant combustion catalyst, a new type of bi-ligand containing energy complex [Cu(MIM)2(AIM)2](DCA)2 was synthesized from 1-methylimidazole (MIM), 1-allyl imidazole (AIM), copper nitrate and NaDCA, and its structure was characterized by infrared spectroscopy, X-ray single crystal diffraction and powder diffraction. The thermal decomposition process of the energetic complex was analyzed by DSC and TGA. Within the temperature range of 40-500 ℃, there is a melting peak (peak temperature is 93.5 ℃) and an exothermic decomposition peak (peak temperature is 199.4 ℃) in DSC curve. The sensitivity test of the complex shows that the friction sensitivity and impact sensitivity are low and the operation process is safe. Comparing the bi-ligand [Cu(MIM)2(AIM)2](DCA)2 with [Cu(MIM)4](DCA)2 and [Cu(AIM)4](DCA)2 catalyses on the thermal decomposition of AP, the results show that the bi-ligand complex has better catalytic effect, which advanced the exothermic peak temperature of AP by 88.8 ℃, increased the heat release from 782 J•g-1 to 2458 J•g-1, and lowered the thermal decomposition activation energy by 47.1 KJ•mol-1, implying the potential application as a composite propellant catalyst.
| Translated title of the contribution | Synthesis, Structure of a New Energetic Complex [Cu(MIM)2(AIM)2](DCA)2 and its Catalysis on AP Decomposition |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 501-508 |
| Number of pages | 8 |
| Journal | Hanneng Cailiao/Chinese Journal of Energetic Materials |
| Volume | 29 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 25 Jun 2021 |