| || Influence of Aluminium on performance of HTPB based Aluminised PBXs
Author : Prakash, Vinay;Phadke, V. K.;Sinha, R. K.;Singh, Haridwar;Vinay ; Phadke, V. K.
Source : Defence Science Journal ; Vol:54(4) ; 2004 ; pp 475-482
Subject : 620.261 Explosives ;623.4 Armaments and Ballistics
Keywords : Aluminised PBXs;Polymer matrix;Hydroxy terminated polybutadiene;HTPB;RDX;Velocity of detonation;Plastic bonded explosive;Peak overpressure
Abstract : The paper describes the development of aluminised plastic-bonded explosives (PBXs) based on aluminium and nitramine explosives using hydroxy-terminated polybutadiene as polymer matrix. The PBXs were processed as per standard procedures. Compositions with different formulations were prepared by varying the percentages of aluminium and RDX and their explosive properties, including velocity of detonation (VOD), peak overpressure, duration, impulse and sensitivity to different types of stimuli, were studied. The experimental and theoretical values of the VOD have been compared. It is observed that about 15 per cent aluminium content in the aluminised PBXs shows the optimum VOD.
| || High Performance Binder for EMCDB Propellants
Author : Bhat, V.K.;Radhakrishnan, K.K.;Khire, P.R.;Shrotri, P.G.;Singh, Haridwar
Source : Defence Science Journal ; Vol:45(1) ; 1995 ; pp 31-34
Subject : 66 Chemical Technology;662.3 Propellants;620.1 Material Science and Technology
Keywords : Block polymer;Hydroxy terminated polybutadiene;Composite propellant
Abstract : A novel block polymer has been synthesised from caprolactone using hydroxy terminated polybutadiene as ring opening initiator. Usefulness of this polymer as propellant binder has been studied by generating data on physico-chemical properties of the polymer. The polymer exhibited high miscibility with nitrate ester and high solid loading capability. Preliminary data generated on typical propellant formulation indicated higher performance as compared to composite propellant.