| abstract |
An aqueous dispersion type antisoiling compositionncomprising an aqueous medium, and fine particles of thenfollowing reaction product (A) and fine particles of thenfollowing addition polymer (B), dispersed in the aqueousnmedium, or an aqueous medium, and fine particlesncomprising the reaction product (A) and the additionnpolymer (B), dispersed in the aqueous medium:n Reaction product (A): a reaction product ofncompounds (a1), (a2) and (a3); Compound (a1): a compound having a polyfluoroalkylngroup and a group having an active hydrogen atom reactivenwith an isocyanate group; Compound (a2): a compound having no polyfluoroalkylngroup and a group having an active hydrogen atom reactivenwith an isocyanate group; Compound (a3): a polyisocyanate compound; Addition polymer (B): a copolymer comprising polymernunits of a polyfluoroalkyl group-containingn(meth)acrylate and polymer units of methyl methacrylate. |