| 摘要 |
<p>Structures such as gas electrodes containing a wetproofing backing or layer containing polytetrafluoroethylene in conjunction with a water-soluble pore-forming agent and a PTFE-containing active layer are contacted with an alkylene polyol or other water-soluble or water-miscible organic material having a plurality of hydroxyl groups, at a temperature ranging from about 50 DEG to about 100 DEG C for a sufficient time to wet the PTFE-containing active layer thoroughly, and the thus-treated electrode is then contacted with water in one or more washing steps substantially to remove the pore-forming agent. Between the hot soak with the alkylene polyol or equivalent material and the one or more water washes, the electrode can optionally be dried. </p> |
