Composition for forming crosslinked polyurethane-based film, crosslinked polyurethane-based film formed from the composition, articles comprising the crosslinked polyurethane-based film

摘要

OH group-containing polymer; Hardener; And a reactive substituent-containing cage structure compound, wherein the reactive substituent of the reactive substituent-containing cage structure compound can form a chemical bond with an OH group-containing polymer, a curing agent, or both, and the curing agent is an isocyanate-based compound. A composition for forming a urethane film, a polyurethane film derived therefrom, and an article comprising the same are provided.