Oil-in-water explosive composition containing asphalt

Details Oil-in-water explosive composition containing asphalt Oil-in-water explosive composition containing asphalt

1988-09-23

1989-08-01

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

149 46, 149 60, 149 61, 149 70, 149 76, 149 83, 1491096, C06B 1500

Patent

active

048530506

ABSTRACT:
This invention relates to a method of producing a composition comprising solid particulate ammonium nitrate having improved explosive properties.
Explosive compositions comprising particulate ammonium nitrate such as ANFO, which is a mixture of particulate ammonium nitrate and about 6% w/w of a fuel oil which is typically distillate oil, have been known for many years as relatively inexpensive and reliable explosives.
Despite the wide acceptance of particulate ammonium nitrate based exposlives in the industry, their use has been limited by their relatively poor performance in wet conditions; in such conditions, explosive power can be seriously reduced, and they can be difficult to detonate.

REFERENCES:
patent: 4111727 (1978-09-01), Clay
patent: 4448619 (1984-05-01), Mitchell
patent: 4594118 (1986-06-01), Curtin et al.

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