Sumitomo Electric Fine Polymer, Inc.

Itsumu Furumoto

Fumihiro Hayashi

Kazuaki Ikeda

Shinichi Kanazawa

Tooru Morita

Hajime Funatsu

There are provided a fluororesin thin film which is composed of a fluororesin, which has a thickness of 20 &#x3bc;m or less and a Gurley's number of 300 seconds or more, and which includes no defects, such as voids and/or cracks; a method for manufacturing the fluororesin thin film in which after a fluororesin dispersion including a dispersing medium and a fluororesin powder dispersed therein is applied on a flat and smooth foil, the dispersing medium is dried, and the fluororesin powder is sintered; the fluororesin dispersion; a fluororesin composite including a porous base material and the fluororesin thin film; a manufacturing method thereof, a porous fluororesin composite formed by stretching the fluororesin composite; and a separation membrane element using the porous fluororesin composite.

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Osaka, Japan

Itsumu Furumoto