It contains with normal temperature drying or baking die water system coating film protective agent and water system

摘要

PROBLEM TO BE SOLVED: To provide a curing-type water-based film protecting composition environmentally-friendly and excellent in film protecting properties and easily removable properties, to provide a curing-type water-based film protecting agent obtained by using the composition, and to provide a water-based film protecting coat.;SOLUTION: This curing-type water-based film protecting composition comprises a hydrophilic polyrotaxane, wherein the hydrophilic polyrotaxane includes a cyclic molecule, a straight-chain molecule, and sealing groups and the straight-chain molecule or the cyclic molecule has a hydrophilic modifying group. An inclusion amount of the cyclic molecule is 0.06 to 0.61. A molecular weight of the straight-chain molecule is 1,000 to 60,000. The curing-type water-based film protecting agent comprises the curing-type water-based film protecting composition, wherein the composition is contained in an amount of 50-90%. The water-based film protecting coat is formed by solidifying the curing-type water-based film protecting agent, wherein a thickness of the protecting coating is 100-1,000 μm.;COPYRIGHT: (C)2007,JPO&INPIT