Alternative Processes for HMX Manufacture
ARMY ARMAMENT RESEARCH AND DEVELOPMENT CENTER DOVER NJ LARGE CALIBER WEAPON SYSTEMS LAB
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Three new procedures were developed for preparing HMX from hexamine, one involving TAT as the intermediate the others, DADN and DANNO. The DADN process was studied in some detail the other two were not developed beyond the exploratory stage. Overall yield hexamine to HMX in the DADN process is about 13 higher than that of the conventional Bachmann process, and the acetic anhydride requirement is considerably lower. The first two steps were demonstrated in continuous pilot plant operation, yielding about 14 lbhour of DADN in simple equipment. Application of the inert carrier concept ICP did not show promise. A cost study indicated that the DADN process offered no advantage over the Bachmann, mainly because two additional acids sulfuric and polyphosphoric are used.
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