In order to improve mechanical strength and burning-off property of molded combustible cartridge cases, a new adhesive CK and a waterborne cross-linking agent DZ were added in to develop new formulation of the molded com- bustible cartridge cases. Optimum mass ratio of CK and DZ, mechanical strength and combustion performance were investi- gated. Results show that the optimum mass fraction of adhesive and cross-linking are 12.0% and 1.5% , respectively. Mechanical strength and elongation can reach to 36.7 MPa and 7.0% , which increase by 46.2% and 42.9% when compared to traditional samples. After combustion, the average residues before and after drying are decreased by 55.07% and 64.07%, respectively. Furthennore, there is no visible residue in the gun chamber after shooting on the gun test. These results indicate that the addition of the new adhesive CK and the waterborne cross-linking agent DZ significantly improve the mechanical strength, tenacity and burning-off properly of molded combustible cartridge cases.
molded combustible cartridge cases
waterborne cross-linking agent