聚乙二醇包覆α-AlH_(3)稳定化研究  

Research on the surface coating and stabilization ofα-AlH_(3)by polyethylene glycol

作　　者：石强[1] 秦明娜[1] 唐望[1] 陈志强[1] 郭涛[1] 汪伟[1] SHI Qiang;QIN Ming-na;TANG Wang;CHEN Zhi-qiang;GUO Tao;WANG Wei(Xi’an Modern Chemistry Research Institute,Xi’an 710065,China)

机构地区：[1]西安近代化学研究所,陕西西安710065

出　　处：《应用化工》2023年第12期3332-3334,共3页Applied Chemical Industry

基　　金：国家自然科学基金项目(21975199)。

摘　　要：以聚乙二醇(PEG)20000为包覆剂,采用溶剂-非溶剂法对α-AlH_(3)进行表面包覆。对未包覆样品及包覆样品进行红外光谱(IR)、光电子能谱(XPS)、扫描电镜(SEM)检测,并进行了热稳定性及湿稳定性考察。结果表明,PEG包覆于α-AlH_(3)表面;60℃10 d加热后,未包覆样品氢含量降低2.04%,包覆样品氢含量降低1.29%;湿度80%环境条件下,经过10 d,未包覆样品氢含量降低1.05%,包覆样品氢含量降低0.99%。α-AlH_(3)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 thatα-AlH_(3)is coated by polyethylene glycol(PEG)20000 perfectly.After heating at 60℃for 10 d,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 d.

关 键 词：三氢化铝 聚乙二醇 包覆 

分 类 号：TQ110.6[化学工程—无机化工] TJ55[兵器科学与技术—军事化学与烟火技术] O647[理学—物理化学]