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Encyclopedia of Packaging Materials, Processes, and Mechanics
(In 4 Volumes)
Editor-in-chief: Avram Bar-Cohen, Jeffrey C Suhling and Andrew A O Tay
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Solvent Effect on Structure, Morphology and Catalytic Activity on Ammonium Perchlorate of Nano-MgWO4
Preview AbstractFor exploring the interesting solvent effect on structure and morphology, a variety of MgWO4 nanoparticles were prepared by a one-pot solvothermal method with different proportional solvents of water and ethylene glycol. The results showed that monoclinic wolframite crystalline structure of MgWO4 was successfully synthesized, corresponding to two standard cards of MgWO4 (JCPDS No. 27-0789) and MgWO4 (JCPDS No. 19-0776), respectively. The morphology of MgWO4 nanoparticles presents eight different shapes and orderly transforms from one shape to another with increasing water content in mixed EG-water solvents, and a possible mechanism was proposed. The catalytic activities of these MgWO4 nanoparticles on the thermal decomposition of Ammonium Perchlorate (AP) were compared using differential scanning calorimetry (DSC) method, and found to present good change rule with particle size.