Investigation on Hypergolic Ionic Liquids

Because of high toxicity of hydrazine and its derivatives, many efforts are conducted to finding alternative for hydrazine in hypergolic fuels which meanwhile can do spontaneous ignition, has a low environment risk. Due to high reducing ability of hydrazine, usage of powerful conducing agents’ idea was interested. These conducting agents required to improvement in order to use as a hypergolic fuel, so considering to low toxicity, environment consistency, high thermal-chemical stability and designable physic-chemical properties, synthesis of aluminum- and boron-based ionic liquids are considered. Aluminum-based ionic liquids aren’t success results as hypergolic fuels and in rare cases are suitable as monopropellant. But boron-based ionic liquids have desirable results and in some cases are better than hydrazine. In this paper, conducted efforts and their results, which done in this course, were briefly investigated.