MATERIAL FOR ROOM TEMPERATURE CURABLE AQUEOUS OVERCOATING MATERIAL AND COATING MATERIAL USING SAME

摘要

A room temperature curable aqueous overcoating material is obtained by blending 1-100% by mass of a material for coating materials, which is composed of a hydrophilic polyrotaxane, relative to the coating film-forming component. The hydrophilic polyrotaxane has a cyclic molecule, a linear molecule passing through the cyclic molecule and enclosed thereby, and blocking groups arranged on both ends of the linear molecule for preventing elimination of the cyclic molecule, and at least one of the linear molecule and the cyclic molecule has a hydrophilic modification group.