Explosive and thermic compositions or charges – Processes of making
Patent
1986-10-07
1987-10-20
Lechert, Jr., Stephen J.
Explosive and thermic compositions or charges
Processes of making
149 95, 149 97, 149 98, 149100, 264 31, D03D 2300
Patent
active
047012285
ABSTRACT:
The invention relates to a process for the manufacture of a double-base propellent composition with low flame-glare emission, and a propellent composition thus obtained.
The process of the invention consists in casting a nitrocellulose-based moulding powder with a nitroglycerine-based casting solvent. According to the invention, the moulding powder consists of a mixture of two powders, one of which contains the antiglare agents, and the weight ratio of the powder containing the antiglare agents to the other powder is between 15/85 and 50/50. The invention permits an antiglare agent to be added to a propellent composition without affecting the ballistic properties of the composition, while strengthening the antiglare effect of this agent.
The invention is applicable particularly in the field of solid-fuel propulsion.
REFERENCES:
patent: 3867214 (1975-02-01), Zucker et al.
patent: 3867215 (1975-02-01), Zucker et al.
patent: 3960621 (1976-01-01), Whitworth et al.
patent: 3985594 (1976-10-01), Bjorn
patent: 4381270 (1983-04-01), Bjorn et al.
Lagreze Richard
Malescot Georges
Lechert Jr. Stephen J.
Societe Nationale des Poudres et Explosifs
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