Aiming at the rheological properties of solid propellant slurry are affected by various factors,the research status of plasticizers,solid fillers,process additives and process parameters on the rheological properties of solid propellant slurry world-wide were reviewed.The influenced patterns and mechanism of different factors on the rheological properties of solid propel-lants were analyzed and summarized,and the effects of different solid fillers and particle sizes on the rheological properties of slurry were compared.It is pointed out that appropriate addition of plasticizer can improve the rheological properties of solid propellant slurry effectively,and the selection of appropriate process additives and parameters can greatly improve the rheolog-ical properties of propellant slurry.The more spherical and regular the surface of solid packing is,the wider the particle size distribution range is,and the smaller the viscosity of propellant slurry is.The surface coating of solid particles and the addition of surfactants are also helpful to improve the rheological properties of the slurry.The technical way to improve the rheological properties of propellant slurry and the key research direction of rheological properties of propellant slurry in the future were put forward,studying rheological properties of propellant slurry more comprehensively and designing the solid propellant formula-tions with better rheological properties.94 References are attached.
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