Increased strength polymer-blended membranes
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United States of America Patent
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Sep 2, 1986
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N/A
app pub date -
Jun 1, 1984
filing date -
Jun 1, 1984
priority date (Note) -
Expired
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Abstract
Polymer blend membranes which possess increased structural strength may be fabricated by preparing a polymer blend membrane comprising a mixture of a phosphoric acid or sulfuric acid and an organic polymer which is at least partially compatible therewith dissolved in a mutually miscible solvent. The resulting polymer blend membrane is then cast upon a porous solid support such as a glass cloth, polysulfone or ceramic and the solvent is allowed to evaporate.
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