Interpenetrating Polymer Networks as Binders for Solid Composite Propellants
Keywords: Poly methyl methacrylate, Burning rates
AbstractA new family of polymeric binders for solid composite propellants is proposed, based on two component interpenetrating polymer networks (IPNs). These networks comprise two different polyurethanes based on hydroxy terminated polybutadiene and ISRO polyol interpenetrated with two different vinyl polymers, viz poly methyl methacrylate and polystyrene. the networks synthesized by the simultaneous interpenetrating technique have been characterized for their properties, such as stress-strain, density, viscosity, thermal degradation, and heat of combustion. Phase morphologies have been determined using electron microscopy. Suitable explanations have been adduced to rationalize the properties of IPNs in terms of their structures and chain interactions. A study of the mechanical properties and burning rates of the ammonium perchlorate (AP)-based solid propellant using the newly synthesised IPNs as binders, has been carried out. The results show that both mechanical strength and burning rate of solid propellants could be suitably modified by simply changing the nature and/or the ratio of the two interpenetrating polymer components.
How to Cite
Parthiban, S., Ragunandan, B., & Jain, S. (2013). Interpenetrating Polymer Networks as Binders for Solid Composite Propellants. Defence Science Journal, 42(3), 147-156. https://doi.org/10.14429/dsj.42.4374
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