METHOD OF FORMING WATER- AND OIL-REPELLENT MEMBRANE, WATER- AND OIL-REPELLENT MATERIAL, DEVICE EQUIPPED WITH WATER- AND OIL-REPELLENT MATERIAL, SEAL DEVICE AND ROLLING BEARING

摘要

PROBLEM TO BE SOLVED: To provide a method of forming a water- and oil-repellent membrane suitable for use that requires high water- and oil-repellency.

SOLUTION: The method of forming a water- and oil-repellent membrane includes a first step of bringing a substrate to be coated into contact with a first solution composed of essential components of water and at least one alkoxymetal salt and then with a second solution that is an alkaline solution of a pH of 11 to 13 to form a metal oxide layer on the surface of the substrate to be coated and a second step of bringing the substrate to be coated into contact with a third solution containing a fluorine-containing organic compound after the first step and then with a fourth solution that is an alkaline solution of a pH of 9 to 14 to form a water- and oil-repellent layer on the metal oxide layer.

COPYRIGHT: (C)2010,JPO&INPIT