Hydrophilic microporous polyolefin membrane

Details Hydrophilic microporous polyolefin membrane Hydrophilic microporous polyolefin membrane

B - Operations, Transporting

01

D

B01D 69/12 (2006.01) B01D 67/00 (2006.01) C08J 9/40 (2006.01)

Patent

CA 2118423

A hydrophilic microporous membrane is provided comprising a hydrophobic membrane substrate exemplified by a polyo- lefin or partially fluorinated polyolefin membrane. A process is also provided for preparing a hydrophilic membrane by grafting a water soluble polymer to the hydrophobic membrane substrate surface by irradiation means, e.g., ultraviolet irradiation. The in- vention further concerns a method for making the membrane and process means for filtering a fluid through such membrane.

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