Patent ID: 6200637
Filing Date: 2001-03-13
Classification: B05D,C23C,D06M

Abstract:
A method of coating a substrate, said method comprising the steps of:depositing a surface treatment component on a surface portion of a substrate, thenimmersing said surface portion of said substrate in a pressurized liquid or supercritical fluid comprising carbon dioxide wherein said surface treatment component is insoluble in carbon dioxide and swellable in carbon dioxide; andremoving said substrate from said pressurized liquid or supercritical fluid with said treatment component adhered thereto;wherein said surface treatment component comprises a CO.sub.2 -phobic segment, and wherein said CO.sub.2 -phobic segment is selected from the group consisting of lipophilic polymers, oleophilic polymers, aromatic polymers, oligomers, and mixtures thereof.