A novel preparation of nanosized hexagonal Mg(OH)2 as a flame retardant |
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| Institution: | 1. School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China;2. Ethoca Chemicals, Inc., Texas 77024, United States;1. Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, Republic of Korea;2. School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Viet Nam;3. Technology Commercialization Office, KEPCO Research Institute, Daejeon, Republic of Korea;1. Department of Metallurgical and Materials Engineering, National Polytechnic Institute, ESIQIE-IPN, UPALM Campus, Instituto Politécnico Nacional Avenue, 07738 Mexico City, Mexico;2. Materials Research Institute Morelia Campus, National Autonomous University of Mexico, Old Pátzcuaro road 8701, 58190 Morelia, Michoacán, Mexico;3. Department of Chemistry, Metropolitan Autonomous University, Iztapalapa Campus, San Rafael Atlixco Avenue 186, 09340 Mexico City, Mexico;4. Materials Research Institute, National Autonomous University of Mexico, Cd Universitaria Campus, 04510 Mexico City, Mexico;1. Institute of Environmental Remediation, Dalian Maritime University, Dalian, 116026, China;2. Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing, 100049, China;3. Spallation Neutron Source Science Center, Dongguan, 523803, China;4. Collaborative Innovation Center for Transport Studies, Dalian Maritime University, Dalian, 116026, China;1. Institute of High Performance Polymer, Qingdao University of Science and Technology, Qingdao, Shandong 266042, PR China;2. College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao, Shandong 266042, PR China |
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| Abstract: | Nanosized dispersive hexagonal magnesium hydroxide (Mg(OH)2) has been prepared using an ammonia-hydrothermal method. Citric acid and monoethanolamine (MEA) were added to the reaction system during the ammonia precipitation and hydrothermal processes, respectively, to improve the crystallinity and dispersion of the (Mg(OH)2) particles. The resulting Mg(OH)2 samples obtained under the optimum preparation conditions were characterized by scanning electron microscopy, X-ray diffraction and thermal gravity analysis, which showed that this newly developed procedure afforded well-dispersed hexagonal nanoplates of Mg(OH)2 with a mean diameter of 246 nm. |
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| Keywords: | Nanosized Hydrothermal process Dispersion |
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