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含能材料  2009 

DNTF/PETN体系的二元相图及低共熔物

DOI: 10.3969/j.issn.1006-9941.2009.04.019

Keywords: 物理化学,压力DSC,低共熔物,液化温度,熔融焓,二元相图

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Abstract:

用压力DSC研究了新型高能量密度材料3,4-二硝基呋咱基氧化呋咱(DNTF)与季戊四醇四硝酸酯(PETN)形成的二元混合体系的液化及熔融过程,根据不同质量比混合体系的DSC特征量数据建立了液化温度T与组成X的T-X相图、熔融焓H与组成X的H-X相图,研究了DNTF与PETN形成的二元低共熔体系,结果表明,从T-X相图获得DNTF/PETN体系的低共熔物组成为68.20/31.80(摩尔百分比),从H-X相图获得DNTF/PETN体系的低共熔物组成为67.93/32.07(摩尔百分比),DNTF/PETN体系二元低共熔温度为95.7℃。

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