Pyrophoric zinc and methods of production thereof

Details Pyrophoric zinc and methods of production thereof Pyrophoric zinc and methods of production thereof

C - Chemistry, Metallurgy

06

B

C06B 21/00 (2006.01) C25B 1/14 (2006.01)

Patent

CA 2481964

A process for making filamentous pyrophoric zinc comprising (a) electrolyzing a suitable zincate anion-containing alkaline solution in an electrolytic cell having a cathode and an anode, in the absence of an inhibitory amount of an inhibitor to inhibit said deposition of filamentous zinc, to effect deposition of filamentous zinc on said cathode; (b) washing the filamentous zinc with a suitable solvent to remove the alkaline solution from the filamentous zinc to produce washed filamentous zinc; (c) removing the filamentous zinc from the cathode, either before or after the washing step (b); (d) drying the washed filamentous zinc wither before or after the removal from the cathode, in an essentially oxygen- free atmosphere to produce filamentous, pyrophoric zinc; (e) collecting the filamentous, pyrophoric zinc under an essentially oxygen-free atmosphere. The process provides for efficacious production of pyrophoric zinc suitable for use as a catalyst and a decoy against heat-seeking missiles.

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