Emulsion blasting agent and method of preparation thereof

Details Emulsion blasting agent and method of preparation thereof Emulsion blasting agent and method of preparation thereof

C - Chemistry, Metallurgy

06

B

52/15

C06B 45/00 (2006.01) C06B 47/14 (2006.01)

Patent

CA 1102138

ABSTRACT OF THE DISCLOSURE The invention relates to explosive blasting compositions, and more particularly to emulsified aqueous explosive blasting compositions having a discontinuous aqueous phase, a continuous oil or water-immiscible liquid organic phase, and an emulsifier. The emulsifier of the invention not only provides effective emulsification but also provides crystal habit modification, which enhances stability and sensitivity and which is a function not provided heretofore by prior art emulsifiers. The emulsifier of the invention comprises a fatty amine or salts thereof in which the fatty residue has a chain length of from 14 to 22 carbon atoms. The method of predissolving the emulsifier in the liquid organic phase enhances the ease of emulsification. The emulsified blasting compositions effectively are used as commercial blasting agents in mining and other activities.

321280

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