期刊
COMPOSITES PART B-ENGINEERING
卷 56, 期 -, 页码 857-861出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2013.09.010
关键词
Nano-structure; B. Electrical properties; D. Electron microscopy; E. Cure; Conducting polymers
资金
- PAPIIT-DGAPA [1B101512-RR181512]
- CONACyT-Mexico [CBI 76450]
- [Promep/103.5/11/6714]
Aqueous suspensions of polyvinyl alcohol-polyaniline (PVA-PAni) nanocomposites were prepared by conventional polymerization of aniline in the presence of a PVA solution mixed with either a surfactant (sodium dodecyl sulfate) or organic acids (poly acrylic acid or 2-acrylamido-2-methyl-1-propanesulfonic acid) used as binary dopants, to improve the solubility of the nanocomposites. Films were prepared by casting at different contents of PAni (1-60 wt.%). The best homogeneous films were obtained from the surfactant nanocomposites with a low threshold percolation, between 3 wt.% and 5 wt.% of PAni, achieving an electrical conductivity about 0.044 S/cm, attractive as an antistatic material in electronics, since also their mechanical properties are adequate. (C) 2013 Elsevier Ltd. All rights reserved.
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