Porous plasma treated sheet material
AssigneeExxonMobil Oil Corporation
InventorJeffrey J. O'Brien
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Abstract
A method is provided for surface treating a porous sheet material. The surface treatment involves contacting at least one porous surface of the film with plasma at atmospheric pressure and a plasma generating electrode frequency of greater than 1 MHz. This method provides treatment which penetrates into the pores of the sheet material.
Claims10
A method for treating a porous sheet material to render the pore space thereof more hydrophilic, said method comprising contacting at least one porous surface of said sheet material with plasma under sufficient treating conditions, wherein said treating conditions comprise atmospheric pressure and plasma generating electrode frequency of greater than 1 MHz.
Dependencies are inferred from the claim text.