Preparation of Branched Glycidyl Azide Polymer Nitrate
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Branched glycidyl azide polymer (B-GAP) was obtained at 100 ℃,using poly epoxy chloropropane,sodium azide,and sodium hydroxide as reactants and glycol as initiator. B-GAP was transformed to branched glycidyl azide polymer nitrate (B-GAPN) with concentrated nitric acid at -20-0 ℃. Reaction parameters were used to controll molecular weight and hydroxy number of B-GAP,and moecular weight of B-GAPN. The preparation product B-GAPN is testified by infrared spectrum analysis which indicates evident decrease of hydroxy group and emergence of nitrate peak.
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王平,郁卫飞,刘春.支化聚叠氮缩水甘油醚硝酸酯的制备[J].含能材料,2008,16(4):395-397. WANG Ping, YU Wei-fei, LIU Chun. Preparation of Branched Glycidyl Azide Polymer Nitrate[J]. Chinese Journal of Energetic Materials,2008,16(4):395-397.