中华医学超声杂志

应用化学 ›› 1994, Vol. 0 ›› Issue (4): 78-80.

• 研究论文 • 上一篇    下一篇

导电高分子膜包覆YBa2Cu3O7超导体抗环境作用的研究

王卫华, 赵良仲, 张金彪, 徐翠英   

  1. 中国科学院化学研究所 北京 100080
  • 收稿日期:1993-08-16 修回日期:1994-02-22 出版日期:1994-08-10 发布日期:1994-08-10

Conductive Polymer Encapsulation of YBa2Cu3O7 for Protection Against Reactive Environments

Wang Weihua, Zhao Liangzhong, Zhang Jinbiao, Xu Cuiying   

  1. Beijing Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080
  • Received:1993-08-16 Revised:1994-02-22 Published:1994-08-10 Online:1994-08-10

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摘要： 通过电化学途径和化学途径在YBa2Cu3O7超导体表面制备了导电高分子聚吡咯膜,用以保护超导体不受环境作用的影响,实验结果发现电化学过程能破坏YBa2Cu3O7的超导性,而采用化学法制备的聚吡咯和聚氯乙烯混和材料包覆在YBa2Cu3O7表面后,超导体不仅保持原有超导性,而且有很好的保护超导体免遭环境中酸和水作用的能力。

关键词: YBa2Cu3O7, 超导体, 保护, 聚吡咯, 聚氯乙烯

Abstract: Conductive polypyrrole(PPy ) films were prepared on the surface of YBa2Cu3O7 superconductors through electrochemical synthesis or chemical method to prevent YBa2Cu3O7 from corroding in reactive environments.The resuIts showed that the electrochemical polymerization destroyed the superconductivity of YBa2Cu3O7,whereas the chemical coating of PPy/PVC on YBa2Cu3O7 did not affect the superconductivity.Furthermore,the chemical PPy/PVC coatings could greatly improve the superconductors stability in water and acid.

Key words: YBa2Cu3O7, superconductor, protection, polypyrrole, polyvinylchloride

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