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Journal of Materials Science

, Volume 40, Issue 18, pp 4807–4810 | Cite as

A novel paramagnetic polymeric sensor material sensitive to organic molecules

  • Wenqin Wang
  • Li Wang
  • Xuejie Wang
  • Zhengli Ma
  • Jianjun Wang
  • Jianfeng Wang
Article

Utilizing the Diels-Alder reaction between cyclopentadiene groups attached on the linear polystyrene in the presence of nitroxide free radicals, a novel cross-linked network containing nitroxide free radicals is prepared. The signals of the electron spin resonance (ESR) from the resultant paramagnetic polymeric material contacting with organic molecules are different from uncontacting with organic molecules obviously. And the response from the organic molecules to organic molecules free or vice versa was reversible. Therefore, the resultant material is a novel paramagnetic polymeric sensor material sensitive to organic molecules and can be used for detecting the presence of organic molecules or the absence of organic molecules.

Keywords

Polymer Free Radical Polystyrene Electron Spin Resonance Polymeric Material 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science + Business Media, Inc 2005

Authors and Affiliations

  • Wenqin Wang
    • 1
  • Li Wang
    • 1
  • Xuejie Wang
    • 1
  • Zhengli Ma
    • 1
  • Jianjun Wang
    • 1
  • Jianfeng Wang
    • 1
  1. 1.The State Key Laboratory of Polymer Reaction Engineering, College of Materials Science and Chemical EngineeringZhejiang UniversityHangzhouChina

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