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Electrically Conducting Polymer Blends Based On Polyaniline

Published online by Cambridge University Press:  10 February 2011

P. Passiniemi,
J. Laakso,
H. Ruohonen and
Kimmo Väkiparta
P. Passiniemi
Affiliation:
Neste Oy, Chemicals, PO Box 310, FIN-06101 Porvoo, Finland
J. Laakso
Affiliation:
Neste Oy, Chemicals, PO Box 310, FIN-06101 Porvoo, Finland
H. Ruohonen
Affiliation:
Neste Oy, Chemicals, PO Box 310, FIN-06101 Porvoo, Finland
Kimmo Väkiparta
Affiliation:
Neste Oy, Chemicals, PO Box 310, FIN-06101 Porvoo, Finland
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Abstract

Polyaniline offers a promissing possibility to make electrically conducting polymer blends with tailorable surface and bulk conductivities. The matrix polymer can be a thermoplast or a thermo- set. Different commonly used polymer processing methods are applicable to the blends; e.g. injection moulding, film blowing, compression moulding and fiber spinning. Also commonly used thermoset resins processings are possible. The key feature in making all this feasible is the co- solvent/plasticizer technology developed recently in the industry. Typically, the antistatic conduc- tivity level is reached in melt-processing with a polyaniline complex amount of 5 to 10 wt-% and in solution processing with 0.5 to 5 wt-% complex amounts. The maximum conductivity is in the range of 10 to 100 mS/cm for blends.

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