Method and composition for selectively modifying base material surface
A composition for use in selective modification of a base material surface includes a polymer having, at an end of a main chain or a side chain thereof, a group including a first functional group capable of forming a bond with a metal, and a solvent.
1. A composition for selective modification of a base material surface, comprising:
a polymer comprising, at an end of a main chain or a side chain thereof, a group comprising a first functional group that forms a bond with a metal; and
a solvent dissolving or dispersing the polymer,
wherein the polymer comprises a structural unit having a crosslinkable group derived from 4-vinylbenzocyclobutene, and at least one of a structural unit derived from styrene, a structural unit derived from t-butylstyrene and a structural unit derived from methyl (meth)acrylate, and the first functional group is a primary cyano group, a sulfanyl group, an oxazoline ring-containing group, a phosphoric acid group, an epoxy group or a disulfide group.
2. The composition according to claim 1 , wherein the metal is copper, iron, zinc, cobalt, aluminum, titanium, tin, tungsten, zirconium, tantalum, germanium, molybdenum, ruthenium, gold, silver, platinum, palladium or nickel.
3. The composition according to claim 1 , wherein a polystyrene equivalent number average molecular weight of the polymer is no less than 500 and no greater than 50,000.
4. The composition according to claim 1 , wherein the first functional group is a sulfanyl group, an oxazoline ring-containing group, a phosphoric acid group, an epoxy group or a disulfide group.
5. The composition according to claim 1 , wherein the polymer comprises the structural unit derived from styrene.
6. The composition according to claim 1 , wherein the polymer comprises, at one end of the main chain thereof, the group comprising the first functional group.
7. The composition according to claim 1 , wherein the polymer comprises the structural unit derived from methyl (meth)acrylate.
8. The composition according to claim 1 , wherein the polymer comprises the structural unit derived from t-butylstyrene.
9. The composition according to claim 1 , wherein the polymer comprises the structural unit derived from styrene, the structural unit derived from t-butylstyrene, and the structural unit derived from methyl (meth)acrylate.
10. The composition according to claim 1 , wherein the polymer includes the structural unit having the crosslinkable group in a range of 0.1 mol % to 20 mol % with respect to a total of structural units constituting the polymer.
11. The composition according to claim 1 , wherein the polymer includes the structural unit having the crosslinkable group in a range of 1 mol % to 15 mol % with respect to a total of structural units constituting the polymer.
12. The composition according to claim 1 , wherein the polymer includes the structural unit having the crosslinkable group in a range of 3 mol % to 10 mol % with respect to a total of structural units constituting the polymer.
13. The composition according to claim 1 , wherein the polymer includes the structural unit having the crosslinkable group in a range of 4 mol % to 8 mol % with respect to a total of structural units constituting the polymer.
14. The composition according to claim 1 , wherein the base material surface has a first region and a second region such that the second region is substantially a non-metal.
15. The composition according to claim 14 , wherein the polymer comprises the structural unit derived from styrene, the structural unit derived from t-butylstyrene, and the structural unit derived from methyl (meth)acrylate.
16. The composition according to claim 1 , wherein the metal is a constituent of a metal substance, an alloy, an oxide, an electrically conductive nitride or a silicide.
17. The composition according to claim 16 , wherein the polymer comprises the structural unit derived from styrene.
18. The composition according to claim 16 , wherein a polystyrene equivalent number average molecular weight of the polymer is no less than 500 and no greater than 50,000.
19. The composition according to claim 16 , wherein the first functional group is a sulfanyl group, an oxazoline ring-containing group, a phosphoric acid group, an epoxy group or a disulfide group.
20. The composition according to claim 16 , wherein the polymer comprises, at one end of the main chain thereof, the group comprising the first functional group.