| 摘要 |
An aqueous dispersion type antisoiling composition comprising an aqueous medium, and fine particles of the following reaction product (A) and fine particles of the following addition polymer (B), dispersed in the aqueous medium, or an aqueous medium, and fine particles comprising the reaction product (A) and the addition polymer (B), dispersed in the aqueous medium: Reaction product (A): a reaction product of compounds (a1), (a2) and (a3); Compound (a1): a compound having a polyfluoroalkyl group and a group having an active hydrogen atom reactive with an isocyanate group; Compound (a2): a compound having no polyfluoroalkyl group and a group having an active hydrogen atom reactive with an isocyanate group; Compound (a3): a polyisocyanate compound; Addition polymer (B): a copolymer comprising polymer units of a polyfluoroalkyl group-containing (meth)acrylate and polymer units of methyl methacrylate.
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