Porous fluorine resin membrane and process for preparing the same
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United States of America Patent
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Nov 18, 1986
Grant Date -
N/A
app pub date -
Dec 13, 1985
filing date -
Dec 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a porous membrane made of a particular fluorine resin, having excellent chemical resistance, excellent thermal resistance, excellent filtration performance and excellent mechanical properties, and having uniform porous structure comprising minute pores, and also relates to a process for preparing the same. In particular, the invention relates to a porous membrane suited for a microfilter having excellent thermal resistance and excellent filtration performance, especially a porous membrane suited for a microfilter for use in purification of chemicals such as strong acid and strong alkali by utilizing the excellent chemical resistance, and also a process for preparing the same.
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