Crystallization method

Details Crystallization method Crystallization method

C - Chemistry, Metallurgy

07

D

260/248.3, 260/2

C07D 251/06 (2006.01) C06B 25/34 (2006.01) C07D 251/54 (2006.01) C07D 257/02 (2006.01)

Patent

CA 1243672

ABSTRACT: The present invention relates to a method for the recrystallization of the high explosives HMX and RDX. According to the invention, the explosive is dissolved in a low molecular weight, liquid (at room temperature) lactone, after which the degree of saturation of the solution obtained, is changed by either lowering the temperature or by diluting with water. This method produces, depending on the crystallization method chosen, .beta.-HMX crystals or RDX crystals of either 50 - 1500µm or 5 - 50µm median particle diameter respectively.

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