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α-AlH3 was coated with polyethylene glycol (PEG) 20000 by solvent-nonsolvent method. The samples were characterized and analyzed by using the means including Infrared spectroscopy (IR), X-ray photoelectron spectroscopy(XPS), and scanning electron microscopy (SEM). The thermal stability and humidity stability of uncoated sample and coated sample were investigated. The results show that α-AlH3 is coated by polyethylene glycol (PEG) 20000 perfectly. After heating at 60°C for 10 days, the hydrogen content of uncoated sample decreases by 2.04%, while the hydrogen content of coated sample decreases by 1.29%. The hydrogen content of uncoated sample decreases by 1.05%，whereas the hydrogen content of coated sample decreases by 0.99% under the condition of 80% humidity for 10 days. [ABSTRACT FROM AUTHOR]

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Copyright of Chinese Journal of Explosives & Propellants is the property of Chinese Journal of Explosives & Propellants Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)