Antifouling composite material

An antifouling composite material comprising:

• a substrate;
• and
• an inorganic fine particle layer disposed on a surface of the substrate, the inorganic fine particle layer comprising inorganic fine particles coated with a silane monomer and having an average particle size of 300 nm or less and a binder component, which enters gaps between the silane monomer-coated inorganic fine particles and combines the silane monomer that does not participate in bonding between the fine particles,
• wherein the content of the binder component in the inorganic fine particle layer is in the range of 0.1% by mass to 40% by mass to the content of the inorganic fine particles coated with the silane monomer,
• wherein the silane monomer comprises unsaturated bonds disposed on the inorganic fine particles in the inorganic fine particle layer, wherein the unsaturated bonds face outward from the surface of the inorganic fine particles and form chemical bonds, thereby forming the inorganic fine particle layer,
• wherein the unsaturated bonds of the silane monomer disposed on the inorganic fine particles in the inorganic fine particle layer are bound to the surface of the substrate through the chemical bonds, thereby disposing the inorganic fine particle layer onto the substrate, and
• wherein the binder component comprises a fluorinated compound, and is oriented in gaps between the silane monomer-coated inorganic fine particles and is oriented on the surface of the inorganic fine particle layer at any interval.