Article
  • Study of Synthesis and Property of Eu-PEG Phase Change Luminescent Materials
  • Gu XH, Xi P, Shen XY, Cheng BW
  • Eu-PEG로 구성된 상변환 발광재료의 합성 및 물성에 대한 연구
  • Gu XH, Xi P, Shen XY, Cheng BW
Abstract
A novel TPC-PEG-TPC with active end-groups was obtained from the end-groups of polyethylene glycol (PEG) modified by terephthaloyl chloride (TPC). These active end-groups can link up with a rare earth ion, which is a luminescent center of a rare earth fluorescent complex. Complexes of Eu-PEG with novel ligands (TPC-PEG-PTC) were synthesized by the coordination of the active reactant (as the first ligand) and phenanthroline (as the second ligand) with Eu3+. IR, 1H-NMR, element analysis, DSC, WAXD, fluorescent spectroscopy, TGA, and SEM were used to characterize the structure and properties of these complexes. The results showed that this type of complex is a heat storage material with the phase change character of polyethylene glycol (PEG) and the luminescent properties of europium. There was no thermal decomposition of the complex of Eu-PEG until 300 ℃. SEM showed that the complex of Eu-PEG can be dispersed in PE.

Keywords: polyethylene glycol (PEG); terephthaloyl chloride (TPC); phase change energy storage; rare earth; luminescence

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2008; 32(4): 305-312

    Published online Jul 25, 2008

  • Received on Jul 13, 2007
  • Accepted on Mar 7, 2008