✦ LIBER ✦

Effect of polymer coating on the thermal decomposition of composite propellant oxidizers

✍ Scribed by K.C. Patil; M. Ramanath; V.R.Pai Verneker

Publisher: Elsevier Science
Year: 1981
Tongue: English
Weight: 570 KB
Volume: 42
Category: Article
ISSN: 0010-2180
DOI: 10.1016/0010-2180(81)90154-1

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✦ Synopsis

Ammonium perchlorate (AP) has been coated with polystyrene (PS), cellulose acetate (CA), Novolak resin and polymethylmethacrylate (PMMA) by a solvent/nonsolvent method which makes use of the coacervation principle. The effect of polymer coating on AP decomposition has been studied using thermogravimetry (TG) and differential thermal analysis (DTA). Polymer coating results in the desensitization of AP decomposition. The observed effect has been attributed to the thermophysical and thermochemical properties of the polymer used for coating. The effect of polystyrene coating on thermal decomposition of aluminium perchlorate trihydrazinate and ammonium nitrate as well as on the combustion of AP-CTPB composite propellants has been studied.

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