| 摘要 |
It is an object of the present invention to provide a two-part curable composition for a laminating adhesive, the two-part curable composition being capable of being applied with not less than 50 mass% of a nonvolatile content, exhibiting excellent laminating properties, and being free from problems such as delamination after high-temperature sterilization such as boiling and retorting treatments. A two-part curable composition for a laminating adhesive of the present invention contains a polyester polyol component as a primary ingredient and a polyisocyanate component as a curing agent, wherein the polyester polyol component as the primary ingredient is synthesized from a polycarboxylic acid or a polycarboxylic anhydride, contains an aromatic ring derived from orthophthalic acid or phthalic anhydride (OPA) in an amount of not less than 2.0 mmol per gram of solid content, and has a number-average molecular weight of not more than 4000. |
