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Citation: Xu Weizheng, Gu Qingchao, Ye Wenwen, Mo Tianlin. XPS STUDY OF POLYMER SOLID IONIC CONDUCTORS BASED QN SEGMENTED POLYETHER POLYURETHANEUREAS[J]. Chinese Journal of Applied Chemistry, ;1990, 7(4): 69-71. shu

XPS STUDY OF POLYMER SOLID IONIC CONDUCTORS BASED QN SEGMENTED POLYETHER POLYURETHANEUREAS

1.
Department of Chemistry, Nanjing University, Nanjing 210008

Received Date: 1 August 1989
Available Online: 8 January 1990

The poly(ethylene glycol) polyurethaneureas (PEUU) and the complexes composed of the PEUU and LiClO₄ were examined by means of XPS and DSC. The DSC studies indicate that the soft segment's T_g of the complexes increases with increasing LiClO₄ concentration;it shows that LiClO₄ dissolves selectively in the poly (ethylene glycol) (PEG) phase. The XPS data show that the soft segment of PEG is significantly richer on the surface. Being added to PEUU, LiClO₄ is advantageous to the further enrichment of PEG on the surface.It is also an evidence of selective dissolvation of LiClO₄ in the PEG phase.
- polyether polyurethaneurea,
- polymer solid ionic ocnductor,
- X-ray photoelectron spectrosoopy
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