Solid propellant compositions and processes for making same

Claim 1

A SOLID PROPELLANT COMPOSITION ESSENTIALLY COMPRISING SOLID, INORGANIC STRONG OXIDIZING SALT DISPERSED IN A SOLID, RUBBERY GEL IN WHICH THE OXIDIZER IS INSOLUBLE, SAID GEL COMPRISING A HOMOGENEOUS DISPERSION IN ORGANIC PLASTICIZER OF A COPOLYMER OF POLYVINYL ACETATE AND AT LEAST 90% OF POLYVINYL CHLORIDE, THE PLASTICIZER BEING CHARACTERIZED BY ITS ABILITY TO DISSOLVE THE RESIN AT A VERY SLOW RATE AT ORDINARY TEMPERATURES AND RAPIDLY AT ELEVATED TEMPERATURES, SAID RESIN BEING IN A MINIMUM RATIO OF ABOUT TWO PARTS OF RESIN TO THREE PARTS OF PLASTICIZER, SAID RESIN AND SAID PLASTICIZER SERVING AS FUEL, THE OXIDIZER BEING PRESENT IN AMOUNT SUFFICIENT SUBSTANTIALLY COMPLETELY TO OXIDIZE THE FUEL, SAID PROPELLANT BEING ELASTIC, RUBBER-LIKE AND NO-BRITTLE.