Composite polyester propellant containing a silicon compound as burning rate catalyst

Claim 1

A SOLID PROPELLANT COMPOSITION COMPRISING A CURED INTIMATE MIXTURE OF A SOLID INORGANIC OXIDIZING SALT, SAID INORGANIC OXIDIZING SALT BEING PRESENT IN AN AMOUNT OF FROM ABOUT 45% TO 90% BY WEIGHT OF THE TOTAL PROPELLANT COMPOSITION, AND FROM ABOUT 55% TO ABOUT 10% BY WEIGHT OF A BINDER MATERIAL CONSISTING ESSENTIALLY OF AN UNSATURATED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE CONDENSATION PRODUCT OF A SATURATED POLYHDRIC ALCOHOL AND POLYCARBOXYLIC ACID HETEROPOLYMERIZED WITH AN UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF LOWER ALKENES, LOWER ALKYNES, PHENYL SUBSTITUTED LOWER ALKENES, LOWER ALKYL DIENES, LOWER ALKENYL ESTERS OF LOWER ALKANOIC ACIDS, LOWER ALKYL ESTERS OF LOWER ALKENOIC ACIDS, LOWER ALKENYL ESTERS OF LOWER ALKENONIC ACIDS, ALLYL DIGLYCOL CARBONATE, DIALLYL DIGLYCOLLATE, AND MIXTURE THEREOF; AND FROM ABOUT 0.5% TO ABOUT 5% BY WEIGHT OF A BURNING RATE ACCELERATION CATALYST SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL ORTHOSILICATES, INORGANIC SILICATES, MIXTURES OF BENTONITE CLAYS WITH HIGHER ALKYL AMINES, LOWER ALKOXY SILOXANES, LOWER ALKYL SILOXANES, SILICA GEL, LOWER ALKYL TITANTES, AND MIXTURES THEREOF.