Controlled release of sulfosalicylic acid during electrochemical switching of conducting polymer bilayers

Conducting polymer bilayers containing polypyrrole/sulfosalicylic acid (SSA) as inner film and poly( N-methyl pyrrole)/polystyrene sulfonic acid (PSS) or PANI/PSS (PANI: polyaniline) as outer films were prepared by electrochemical methods. The controlled releasing of SSA from inner film was carried...

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Bibliographic Details
Published in:European polymer journal 2001-05, Vol.37 (5), p.1015-1020
Main Authors: Massoumi, B, Entezami, A
Format: Article
Language:English
Subjects:
Applied sciences
Bilayer polymers
Conducting polymers
Controlled release
Dual ion
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Pyrrole
Sheets and films
Sulfosalicylic acid
Technology of polymers
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Summary:Conducting polymer bilayers containing polypyrrole/sulfosalicylic acid (SSA) as inner film and poly( N-methyl pyrrole)/polystyrene sulfonic acid (PSS) or PANI/PSS (PANI: polyaniline) as outer films were prepared by electrochemical methods. The controlled releasing of SSA from inner film was carried out by applying cathodic potential. The amount of SSA released has been investigated by UV spectrophotometry. SSA was reincorporated to inner film by applying anodic potential, then releasing of SSA has been performed at the above conditions. The controlled releasing of SSA from monolayer PANI was also studied.
ISSN:0014-3057
1873-1945
DOI:10.1016/S0014-3057(00)00200-7