| abstract |
(57) [Summary] [Problem] Laminating adhesive that does not affect the contents even when the contents are filled and stored by reducing the ester oligomer derived from the adhesive and when subjected to high-temperature sterilization treatment such as boiling and retorting. An agent composition is provided. SOLUTION: This is a two-part laminating adhesive composition mainly comprising a polyol and a polyisocyanate, and containing a polyester resin in the polyol and / or the polyisocyanate, wherein the polyester resin has an ester bond concentration based on an aliphatic acid. Is not more than 2 milligram equivalents per gram of the solid content of the adhesive. |