Emulsion-containing explosive compositions

Details Emulsion-containing explosive compositions Emulsion-containing explosive compositions

1985-10-15

1986-10-28

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Particles of diverse size or shape

149 2, 149 46, 149 61, 149 76, 149 83, 149112, 149113, 1491096, C06B 4502

Patent

active

046197214

ABSTRACT:
In emulsion blend explosives, the replacement of coarse salt particles, e.g., prills, by fines, i.e., particles which pass a No. 50 U.S. sieve, increases the water resistance of the explosive without deleteriously affecting its shelf life provided that the explosive, prior to such replacement, is storage-stable as determined by the Salt Extraction and lead compression tests described herein. Products containing a combination of whole and crushed ammonium nitrate prills, and emulsions made with an anionic emulsifying agent such as a fatty acid salt, are preferred. Depending on the fines content and chemical composition, other properties such as sensitivity to initiation and detonation velocity also may be improved.

REFERENCES:
patent: 4409044 (1983-10-01), Bhattacharyya et al.

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