Preparation and characterization of PVC/PANI conductive composite with extremely low percolation threshold | Zendy

Wang Yangyong | Zendy; Jing Xinli | Zendy

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Preparation and characterization of PVC/PANI conductive composite with extremely low percolation threshold

Author(s) -

Wang Yangyong,

Jing Xinli

Publication year - 2004

Publication title -

polymers for advanced technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.61

H-Index - 90

eISSN - 1099-1581

pISSN - 1042-7147

DOI - 10.1002/pat.499

Subject(s) - materials science , polyaniline , composite number , aniline , percolation threshold , composite material , vinyl chloride , polymerization , hydrochloric acid , in situ polymerization , conductive polymer , conductivity , polyvinyl chloride , polymer chemistry , electrical resistivity and conductivity , copolymer , polymer , organic chemistry , chemistry , engineering , electrical engineering , metallurgy

Aniline was polymerized in the presence of poly(vinyl chloride) (PVC) powders in hydrochloric acid to in situ prepare poly(vinyl chloride)/polyaniline (PVC/PANI) composite particles. UV‐vis spectra and FT‐IR spectra indicate PANI in PVC/PANI composite particles possessed a higher oxidation state with decreased aniline content in reactants. Both conductivity and impact strength of the dodecylbenzenesulfonic acid (DBSA) doped PANI composites (PVC/PANI‐DBSA), which were compression molded from the in situ prepared PVC/PANI particles, increase with the pressing temperature and decrease with the increase of DBSA doped PANI (PANI‐DBSA) loading. An excellent electric conductivity of 5.06 × 10 −2 S/cm and impact strength of 0.518 KJ/m 2 could be achieved for the in situ synthesized and subsequently compression molded composite. Copyright © 2004 John Wiley & Sons, Ltd.

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