A review, with 29 refs., of literature data and author's own papers on rheolog., ballistic and technol. properties of solid rocket propellants based on NH4ClO4. alpha,omega-Dihydroxypolybutadiene, alpha,omega-dicarboxypolybutadiene, dioctyl adipate, isocyanates, ferrocenes, Fe2O3, butacene, catocene and Al powder were used as additives.