Polyacetylene films have been rendered hydrophilic by treatment with aqueous KMnO 4 . The treated films were characterized by contact angle measurement, infrared spectroscopy, and x‐ray photoelectron spectroscopy. We found that it is possible to lower the contact angle of H 2 O on polyacetylene from 72° to ca. 10° without significantly affecting the electrical conductivity afforded after I 2 doping compared with similar doping of untreated films. The treated, hydrophilic films were found to be more permeable to aqueous ionic solutions than pristine polyacetylene.
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Guiseppi‐Elie et al. (1985) studied this question.
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