Organic fine particle

A water-repellent composition which is an aqueous dispersion, the composition comprising an organic fine particle (A) which is:

• (A1) an organic fine particle capable of adhering to a substrate under a state having a particle shape, wherein the organic fine particle, when adhered to a substrate, exhibits water-repellency on the substrate, and the organic fine particle (A1) is formed of a fluorine-free polymer wherein the fluorine-free polymer does not comprise a repeating unit formed from styrene;
• or
• (A2) an organic fine particle comprising a polymer comprising a repeating unit formed from:
• (1) a hydrophobic monomer having one ethylenically unsaturated double bond and at least one hydrocarbon group having 3 to 40 carbon atoms;
• or
• (2) a (meth)acrylic monomer having a polydimethylsiloxane group,
• wherein the polymer further comprises a repeating unit formed from:
• (4) a crosslinkable monomer having at least two ethylenically unsaturated double bonds;
• and
• (3) a reactive or hydrophilic monomer having one ethylenically unsaturated double bond and at least one reactive group and/or hydrophilic group, and
• wherein the polymer does not comprise a repeating unit formed from styrene;
• and
• (B) an aqueous medium,
• wherein an average particle size of the organic fine particle (A) is 30 to 1000 nm.