4.6 Article

Sensing Behaviors of Polymer/Carbon Nanotubes Composites Prepared in Reversed Microemulsion Polymerization

期刊

JOURNAL OF APPLIED POLYMER SCIENCE
卷 119, 期 3, 页码 1842-1847

出版社

WILEY
DOI: 10.1002/app.32894

关键词

reversed microemulsion polymerization; polystyrene; carbon nanotubes; composites; sensors

资金

  1. Educational Bureau of Hubei Province [Q20091508, Q20091511]
  2. Ministry of Education of China [209081]
  3. State Key Laboratory of Coordination Chemistry, Nanjing University
  4. National Natural Science Foundation of China [20904044]

向作者/读者索取更多资源

Polystyrene/carbon nanotubes composites were readily prepared by reversed microemulsion polymerization. Compared with the composites prepared by solution mixing, the uniform dispersion of carbon nanotubes in polymer matrix could be obtained more easily and the thermal and electrical properties of the as-prepared composites were also enhanced. The as-prepared composites were deposited onto a microelectrode array to fabricate a vapor sensor. The response for different organic vapors was evaluated by monitoring the change in the resistance of the composites upon exposure to various gases. The change in resistance was of the order of about 10 3 for the composites prepared by reversed microemulsion polymerization. The chemical sensors based on the composites prepared by reversed microemulsion polymerization presented excellent reproducibility and reversibility in response. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 119: 1842-1847, 2011

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