@techreport{oai:jaxa.repo.nii.ac.jp:00048286, author = {塩田, 謙人 and 伊里, 友一朗 and 三宅, 淳巳 and SHIOTA, Kento and IZATO, Yuichiro and MIYAKE, Atsumi}, month = {Feb}, note = {本検討では,アンモニウムジニトラミド(ADN)を主剤とした高エネルギーイオン液体推進剤(EILPs)の新規組成探索のため,2-ヒドロキシエチルヒドラジニウム硝酸塩(HEHN)に着目した.本検討は,ADN とHEHN から構成されるイオン液体(ADN/HEHN イオン液体)の熱挙動を解析することを目的とし,熱分析と生成ガスの複合分析を行った.その結果, ADN/HEHN イオン液体は2 段階の発熱挙動を示し,1 段階目はADN の分解に起因した反応であった.2 段階目は,HEHN の分解開始温度が低下することで生成したHEHN の分解物と,ADN の分解生成物同士が反応し急峻な発熱を生じることが分かった.生成ガス分析の結果から,ADN とHEHN からそれぞれ生成されるNO2 やHNO3 がHEHN の分解生成物であるNH3 やモノエタノールアミンと反応することで急峻な発熱が生じていることが考えられた.本検討のADN/HEHN イオン液体の熱挙動の取得より,HEHN がADN 系EILPs の候補組成となり得ることを示すことが出来た., This study focused on 2-hydroxyethylhydrazinium nitrate (HEHN) as a candidate for ammonium dinitramide (ADN) based energetic ionic-liquid propellants (EILPs). The pyrolysis of the ionic liquid based on ADN and HEHN (ADN/HEHN) was assessed using thermal analysis together with in situ evolved gas analysis, in order to obtain a better understanding of the thermal behavior of ADN/HEHN. As a result, ADN/HEHN showed two stages of exothermic behavior. The first stage and the second stage were caused by the decomposition of ADN and the rapid exothermic reaction between the decomposition products of ADN and HEHN respectively. The onset temperature of decomposition of HEHN decreased due to the existence of ADN and decomposition products of ADN. From the results of the evolved gas analysis, NO2, HNO3, NH3, and monoethanol amine were generated from the thermal decomposition of ADN and HEHN. The result supposed the reactions between these products as the cause of rapid exotherm at the second stage. The obtained thermal behavior of the ADN/HEHN ionic liquids in this study indicates that HEHN can be a candidate composition for ADN-based EILPs., 形態: カラー図版あり, Physical characteristics: Original contains color illustrations, 資料番号: AA2130019003, レポート番号: JAXA-RR-21-002}, title = {アンモニウムジニトラミド/2-ヒドロキシエチルヒドラジニウム硝酸塩混合系イオン液体の熱挙動解析}, year = {2022} }