Foamed and thickened explosive compositions having improved...

Details Foamed and thickened explosive compositions having improved... Foamed and thickened explosive compositions having improved...

C - Chemistry, Metallurgy

06

B

52/10, 52/39

C06B 33/00 (2006.01) C06B 47/14 (2006.01)

Patent

CA 1081965

ABSTRACT OF THE DISCLOSURE A thickened, aqueous slurry explosive composition is provided which contains a sensitizing amount of finely dispersed entrapped gas bubbles and which retains density and gas bubble stability for extended periods. Use in the com- position as a thickener, of a mixture of an unmodified guar gum and a hydroxypropyl-modified guar gum provides a compo- sition which resists migration or collapse of entrained gas or air even when subjected to shear conditions as in pumping or packaging. The composition may also contain an amount of additional sensitizer material.

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