Membrane reparation and poer size reduction using interfacial oz

Details Membrane reparation and poer size reduction using interfacial oz Membrane reparation and poer size reduction using interfacial oz

1994-07-08

1997-09-30

King, Roy V.

Coating processes

Coating by vapor, gas, or smoke

Mixture of vapors or gases utilized

4272551, 4272552, 4272481, C23C 1600

Patent

active

056723881

ABSTRACT:
The instant invention is directed toward a process for enhancing the permselective properties, selectively sealing defects and pinholes, controllably altering the pore size and stabilizing the permselective properties of articles having apperatures therein comprising the steps of: simultaneously contacting an article having a first and second surface, said first and second surfaces being capable of passing ozone and silicon compounds therethrough and said first and second surfaces being oriented such that said silicon compounds and ozone can react across said first and second surfaces, with ozone on said first surface and a silicon compound on said second surface and wherein said contacting is conducted for a time and at a temperature and pressure sufficient to allow said ozone and said silicon compound to form a silicon oxide.

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