Conductive film and method for preparing the same

1. A conductive film comprising: a support; a particle-containing layer; and a metal thin film layer, in this order, wherein the particle-containing layer contains particles having a mean particle size of from 1 to 10 μm and a heat decomposed material of a metal acetylide and has irregularities derived from a shape of the particles formed on a surface thereof, and the metal thin film layer contains a metal element.

2. The conductive film according to claim 1 , wherein the particle-containing layer further contains water and a water-soluble or alkali-soluble resin.

3. The conductive film according to claim 1 , wherein the metal thin film layer is formed by electroless plating or electrolytic plating.

4. The conductive film according to claim 1 , wherein the metal element contained in the metal thin film layer is one metal element selected from the group consisting of silver, gold, platinum, copper, aluminum, nickel, palladium, cobalt, and chromium.

5. The conductive film according to claim 1 , wherein the metal element contained in the metal thin film layer is copper.

6. The conductive film according to claim 1 , wherein the metal acetylide is a compound obtained by reaction of a compound represented by the following formula (I) and a metal element:

wherein A represents a polyoxyether group, a polyaminoether group, or a polythioether group; R 1 represents a hydrogen atom, a carboxyl group or a salt thereof, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, or a heterocyclic group; L represents a chemical bond of connecting a carbon-carbon triple bond to A or a group having a (k+m) valence; k and n each presents an integer of 1 or more; and m represents an integer of 0 or more.

7. The conductive film according to claim 1 , wherein the support has a short-term heat resistant temperature of 150° C. or higher.

8. The conductive film according to claim 1 , wherein the support contains polyethylene terephthalate.

9. The conductive film according to claim 1 , wherein a surface of the metal thin film layer is roughed.

10. A film having plating catalytic activity, comprising a support and a particle-containing layer, the particle-containing layer containing at least particles having a mean particle size of from 1 to 10 μm and a heat decomposed material of a metal acetylide and having irregularities derived from a shape of the particles formed on a surface thereof, wherein a fine metal derived from the metal acetylide is localized in a surface side of the particle-containing layer.

11. The film having plating catalytic activity according to claim 10 , wherein the localized fine metal is silver.