COMPATIBILITY OF AMMONIUM DINITRAMIDE WITH POLYMERIC BINDERS STUDIED BY THERMOANALYTICAL METHODS

热重分析 相容性(地球化学) 差示扫描量热法 材料科学 环氧乙烷 聚合物 高分子化学 聚丁二烯 化学工程 共聚物 复合材料 热力学 工程类 物理
作者
S. Gopalakrishnan,How Ghee Ang
出处
期刊:International Journal of Energetic Materials and Chemical Propulsion [Begell House]
卷期号:9 (1): 27-41 被引量:10
标识
DOI:10.1615/intjenergeticmaterialschemprop.v9.i1.20
摘要

The compatibility of ammonium dinitramide (ADN) with energetic and inert binders was studied in order to detect any interaction between these materials. Differential scanning calorimetry (DSC) and dynamic thermogravimetric analysis (TGA) methods according to STANAG No. 4147 were used for the compatibility test measurements. Glycidyl azide polymer (GAP), a copolymer of GAP and poly(bis(azidomethyl)oxetane) (GAP-PBAMO (80:20)) were used as energetic binders, while hydroxylterminated polybutadiene (HTPB) and polyethylene glycol (PEG1500) were used as inert binders. Both TGA and DSC analyses results of ADN with GAP, GAP-PBAMO, and HTPB showed that these mixtures are highly compatible. TGA measurements on the compatibility of ADN with PEG1500 showed that these were incompatible, while DSC measurements indicated a small degree of incompatibility. The compatibility of the ADN-PEG1500 admixture was further probed by kinetic analyses, and the activation energy and rate constants were determined for the reaction. A detailed discussion and a comparison of the compatibility results from all the methods are made.
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