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Investigation of Adducts of HNIW with DMF and DMSO

JIN Shao-hua1,CHEN Shu-sen1,LEI Xiang-dong2(1.School of Material Science and Engineering,Beijing Institute of Technology, Beijing 100081,China;2.The 31nd Institute,China Aerospace Science & Industry Corpration,Beijing 100074,China)  
The adducts formed between HNIW with DMF and DMSO were prepared in the solution of DMF/H2O,DMSO/H2O respectively.IR spectrum shows that the crystal forms of HNIW in the adducts of HNIW/DMF and HNIW/DMSO are α,ε form respectively.The molar ratios of adducts of HNIW/DMF,HNIW/DMSO are both 1∶2 determined by 1H NMR techniques.Data of TG-DTA shows that the thermal stabilities of the adducts of HNIW/DMF,HNIW/DMSO both decrease.DMSO can obviously accelerate decomposition of HNIW.
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