Patent ID: 8734911

Claim:
A method for fabricating a surface-modified metal substrate, comprising: (a) introducing hydroxyl groups on a surface of a metal substrate through an activation of the surface by plasma or ion beam treatment using gas which includes oxygen, under conditions of voltage of 1 kV to 100 kV, power of 50 W to 200 W and for a time of 10 seconds to 10 minutes; and (b) polymerizing a monomer on the hydroxyl group-introduced surface of the metal substrate with an amount of 0.001 to 50 g/cm 2 relative to surface area of the metal substrate, so as to make a polymer, wherein the monomer is chemically and directly coupled onto the surface of the metal substrate through oxygen atoms, and the polymerization is generated through a ring-opening polymerization or dehydration-polymerization of the monomer with a catalyst.