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Preparation and Reactivity of Gasless Nanostructured Energetic Materials
Published on: April 2, 2015
The Chemical Compatibility and Adhesion of Energetic Materials with Several Polymers and Binders: An Experimental
Trung Toan Nguyen1, Duc Nhan Phan2, Duy Chinh Nguyen3
1Faculty of Special Equipments, Le Quy Don Technical University, 236 Hoang Quoc Viet, Hanoi 100000, Vietnam. trungtoanktqs@mta.edu.vn.
Abstract:
The chemical compatibility and the adhesion of energetic materials and additive materials exert a strong influence on the sensitivity, safety and performance of a polymer-bonded explosive (PBX). In this study, the chemical compatibility of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), pentaerythritol tetranitrate (PETN) with several polymers were evaluated using the vacuum stability test (VST) and the differential scanning calorimetry (DSC); while the adhesion between RDX or PETN and each binder based on these polymers was determined through interfacial characteristics using contact angle measurement. The experimental results demonstrate that RDX and PETN are compatible with polystyrene (PS), nitrocellulose (NC) and fluoroelastomer (FKM) according to the STANAG 4147. Therefore the two polymers can be used as adhesives in PBX composition. Moreover, based on interfacial characteristics such as interfacial tension and work of adhesion, the adhesion between RDX and each binder was predicted to be better than that of PETN.
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