Purification of combustion catalysts and solid propellant compos

Details Purification of combustion catalysts and solid propellant compos Purification of combustion catalysts and solid propellant compos

1973-05-02

1979-08-28

Lechert, Jr., Stephen J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252431R, 252438, 252467, 252472, 149 194, 149 42, 149 76, 1491096, B01D 1506

Patent

active

041660455

ABSTRACT:
Combustion catalysts for solid propellants are extracted with a solution comprising a solvent in which the catalyst is essentially insoluble and a solute which is an effective chelating agent for metal ions which are present as interfering impurities in the combustion catalysts. This treatment does not affect the activity of the catalyst as a combustion catalyst in a solid propellant; however, the removal of the metal ions greatly increases the pot life of the solid propellant composition prior to cure and enhances its stability after cure.

REFERENCES:
patent: 3533959 (1970-10-01), Miale et al.

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